diff options
Diffstat (limited to 'decoder/source')
49 files changed, 19774 insertions, 0 deletions
diff --git a/decoder/source/c_api/ocsd_c_api.cpp b/decoder/source/c_api/ocsd_c_api.cpp new file mode 100644 index 0000000..750c847 --- /dev/null +++ b/decoder/source/c_api/ocsd_c_api.cpp @@ -0,0 +1,632 @@ +/* + * \file ocsd_c_api.cpp + * \brief OpenCSD : "C" API libary implementation. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <cstring> + +/* pull in the C++ decode library */ +#include "opencsd.h" + +/* C-API and wrapper objects */ +#include "opencsd/c_api/opencsd_c_api.h" +#include "ocsd_c_api_obj.h" + +/** MSVC2010 unwanted export workaround */ +#ifdef WIN32 +#if (_MSC_VER == 1600) +#include <new> +namespace std { const nothrow_t nothrow = nothrow_t(); } +#endif +#endif + +/*******************************************************************************/ +/* C API internal helper function declarations */ +/*******************************************************************************/ + +static ocsd_err_t ocsd_create_pkt_sink_cb(ocsd_trace_protocol_t protocol, FnDefPktDataIn pPktInFn, const void *p_context, ITrcTypedBase **ppCBObj ); +static ocsd_err_t ocsd_create_pkt_mon_cb(ocsd_trace_protocol_t protocol, FnDefPktDataMon pPktInFn, const void *p_context, ITrcTypedBase **ppCBObj ); +static ocsd_err_t ocsd_check_and_add_mem_acc_mapper(const dcd_tree_handle_t handle, DecodeTree **ppDT); + +/*******************************************************************************/ +/* C library data - additional data on top of the C++ library objects */ +/*******************************************************************************/ + +/* keep a list of interface objects for a decode tree for later disposal */ +typedef struct _lib_dt_data_list { + std::vector<ITrcTypedBase *> cb_objs; + DefLogStrCBObj s_def_log_str_cb; +} lib_dt_data_list; + +/* map lists to handles */ +static std::map<dcd_tree_handle_t, lib_dt_data_list *> s_data_map; + +/*******************************************************************************/ +/* C API functions */ +/*******************************************************************************/ + +/** Get Library version. Return a 32 bit version in form MMMMnnpp - MMMM = major version, nn = minor version, pp = patch version */ +OCSD_C_API uint32_t ocsd_get_version(void) +{ + return ocsdVersion::vers_num(); +} + +/** Get library version string */ +OCSD_C_API const char * ocsd_get_version_str(void) +{ + return ocsdVersion::vers_str(); +} + + +/*** Decode tree creation etc. */ + +OCSD_C_API dcd_tree_handle_t ocsd_create_dcd_tree(const ocsd_dcd_tree_src_t src_type, const uint32_t deformatterCfgFlags) +{ + dcd_tree_handle_t handle = C_API_INVALID_TREE_HANDLE; + handle = (dcd_tree_handle_t)DecodeTree::CreateDecodeTree(src_type,deformatterCfgFlags); + if(handle != C_API_INVALID_TREE_HANDLE) + { + lib_dt_data_list *pList = new (std::nothrow) lib_dt_data_list; + if(pList != 0) + { + s_data_map.insert(std::pair<dcd_tree_handle_t, lib_dt_data_list *>(handle,pList)); + } + else + { + ocsd_destroy_dcd_tree(handle); + handle = C_API_INVALID_TREE_HANDLE; + } + } + return handle; +} + +OCSD_C_API void ocsd_destroy_dcd_tree(const dcd_tree_handle_t handle) +{ + if(handle != C_API_INVALID_TREE_HANDLE) + { + GenTraceElemCBObj * pIf = (GenTraceElemCBObj *)(((DecodeTree *)handle)->getGenTraceElemOutI()); + if(pIf != 0) + delete pIf; + + /* need to clear any associated callback data. */ + std::map<dcd_tree_handle_t, lib_dt_data_list *>::iterator it; + it = s_data_map.find(handle); + if(it != s_data_map.end()) + { + std::vector<ITrcTypedBase *>::iterator itcb; + itcb = it->second->cb_objs.begin(); + while(itcb != it->second->cb_objs.end()) + { + delete *itcb; + itcb++; + } + it->second->cb_objs.clear(); + delete it->second; + s_data_map.erase(it); + } + DecodeTree::DestroyDecodeTree((DecodeTree *)handle); + } +} + +/*** Decode tree process data */ + +OCSD_C_API ocsd_datapath_resp_t ocsd_dt_process_data(const dcd_tree_handle_t handle, + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_FATAL_NOT_INIT; + if(handle != C_API_INVALID_TREE_HANDLE) + resp = ((DecodeTree *)handle)->TraceDataIn(op,index,dataBlockSize,pDataBlock,numBytesProcessed); + return resp; +} + +/*** Decode tree - decoder management */ + +OCSD_C_API ocsd_err_t ocsd_dt_create_decoder(const dcd_tree_handle_t handle, + const char *decoder_name, + const int create_flags, + const void *decoder_cfg, + unsigned char *pCSID + ) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *dt = (DecodeTree *)handle; + std::string dName = decoder_name; + IDecoderMngr *pDcdMngr; + err = OcsdLibDcdRegister::getDecoderRegister()->getDecoderMngrByName(dName,&pDcdMngr); + if(err != OCSD_OK) + return err; + + CSConfig *pConfig = 0; + err = pDcdMngr->createConfigFromDataStruct(&pConfig,decoder_cfg); + if(err != OCSD_OK) + return err; + + err = dt->createDecoder(dName,create_flags,pConfig); + if(err == OCSD_OK) + *pCSID = pConfig->getTraceID(); + delete pConfig; + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_remove_decoder( const dcd_tree_handle_t handle, + const unsigned char CSID) +{ + return ((DecodeTree *)handle)->removeDecoder(CSID); +} + +OCSD_C_API ocsd_err_t ocsd_dt_attach_packet_callback( const dcd_tree_handle_t handle, + const unsigned char CSID, + const ocsd_c_api_cb_types callback_type, + void *p_fn_callback_data, + const void *p_context) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT = static_cast<DecodeTree *>(handle); + DecodeTreeElement *pElem = pDT->getDecoderElement(CSID); + if(pElem == 0) + return OCSD_ERR_INVALID_ID; // cannot find entry for that CSID + + ITrcTypedBase *pDataInSink = 0; // pointer to a sink callback object + switch(callback_type) + { + case OCSD_C_API_CB_PKT_SINK: + err = ocsd_create_pkt_sink_cb(pElem->getProtocol(),(FnDefPktDataIn)p_fn_callback_data,p_context,&pDataInSink); + if(err == OCSD_OK) + err = pElem->getDecoderMngr()->attachPktSink(pElem->getDecoderHandle(), pDataInSink); + break; + + case OCSD_C_API_CB_PKT_MON: + err = ocsd_create_pkt_mon_cb(pElem->getProtocol(),(FnDefPktDataMon)p_fn_callback_data,p_context,&pDataInSink); + if (err == OCSD_OK) + err = pElem->getDecoderMngr()->attachPktMonitor(pElem->getDecoderHandle(), pDataInSink); + break; + + default: + err = OCSD_ERR_INVALID_PARAM_VAL; + } + + if(err == OCSD_OK) + { + if (err == OCSD_OK) + { + // save object pointer for destruction later. + std::map<dcd_tree_handle_t, lib_dt_data_list *>::iterator it; + it = s_data_map.find(handle); + if (it != s_data_map.end()) + it->second->cb_objs.push_back(pDataInSink); + } + else + delete pDataInSink; + } + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_get_decode_stats(const dcd_tree_handle_t handle, + const unsigned char CSID, + ocsd_decode_stats_t **p_stats_block) +{ + DecodeTree *pDT = static_cast<DecodeTree *>(handle); + + return pDT->getDecoderStats(CSID, p_stats_block); +} + +OCSD_C_API ocsd_err_t ocsd_dt_reset_decode_stats(const dcd_tree_handle_t handle, + const unsigned char CSID) +{ + DecodeTree *pDT = static_cast<DecodeTree *>(handle); + + return pDT->resetDecoderStats(CSID); +} + +/*** Decode tree set element output */ +OCSD_C_API ocsd_err_t ocsd_dt_set_gen_elem_outfn(const dcd_tree_handle_t handle, FnTraceElemIn pFn, const void *p_context) +{ + + GenTraceElemCBObj * pCBObj = new (std::nothrow)GenTraceElemCBObj(pFn, p_context); + if(pCBObj) + { + ((DecodeTree *)handle)->setGenTraceElemOutI(pCBObj); + return OCSD_OK; + } + return OCSD_ERR_MEM; +} + + +/*** Default error logging */ + +OCSD_C_API ocsd_err_t ocsd_def_errlog_init(const ocsd_err_severity_t verbosity, const int create_output_logger) +{ + if(DecodeTree::getDefaultErrorLogger()->initErrorLogger(verbosity,(bool)(create_output_logger != 0))) + return OCSD_OK; + return OCSD_ERR_NOT_INIT; +} + +OCSD_C_API ocsd_err_t ocsd_def_errlog_config_output(const int output_flags, const char *log_file_name) +{ + ocsdMsgLogger *pLogger = DecodeTree::getDefaultErrorLogger()->getOutputLogger(); + if(pLogger) + { + pLogger->setLogOpts(output_flags & C_API_MSGLOGOUT_MASK); + if(log_file_name != NULL) + { + pLogger->setLogFileName(log_file_name); + } + return OCSD_OK; + } + return OCSD_ERR_NOT_INIT; +} + + +OCSD_C_API ocsd_err_t ocsd_def_errlog_set_strprint_cb(const dcd_tree_handle_t handle, void *p_context, FnDefLoggerPrintStrCB p_str_print_cb) +{ + ocsdMsgLogger *pLogger = DecodeTree::getDefaultErrorLogger()->getOutputLogger(); + if (pLogger) + { + std::map<dcd_tree_handle_t, lib_dt_data_list *>::iterator it; + it = s_data_map.find(handle); + if (it != s_data_map.end()) + { + DefLogStrCBObj *pCBObj = &(it->second->s_def_log_str_cb); + pCBObj->setCBFn(p_context, p_str_print_cb); + pLogger->setStrOutFn(pCBObj); + int logOpts = pLogger->getLogOpts(); + logOpts |= (int)(ocsdMsgLogger::OUT_STR_CB); + pLogger->setLogOpts(logOpts); + return OCSD_OK; + } + } + return OCSD_ERR_NOT_INIT; +} + +OCSD_C_API void ocsd_def_errlog_msgout(const char *msg) +{ + ocsdMsgLogger *pLogger = DecodeTree::getDefaultErrorLogger()->getOutputLogger(); + if(pLogger) + pLogger->LogMsg(msg); +} + +/*** Convert packet to string */ + +OCSD_C_API ocsd_err_t ocsd_pkt_str(const ocsd_trace_protocol_t pkt_protocol, const void *p_pkt, char *buffer, const int buffer_size) +{ + ocsd_err_t err = OCSD_OK; + if((buffer == NULL) || (buffer_size < 2)) + return OCSD_ERR_INVALID_PARAM_VAL; + + std::string pktStr = ""; + buffer[0] = 0; + + switch(pkt_protocol) + { + case OCSD_PROTOCOL_ETMV4I: + trcPrintElemToString<EtmV4ITrcPacket,ocsd_etmv4_i_pkt>(p_pkt, pktStr); + break; + + case OCSD_PROTOCOL_ETMV3: + trcPrintElemToString<EtmV3TrcPacket,ocsd_etmv3_pkt>(p_pkt, pktStr); + break; + + case OCSD_PROTOCOL_STM: + trcPrintElemToString<StmTrcPacket,ocsd_stm_pkt>(p_pkt, pktStr); + break; + + case OCSD_PROTOCOL_PTM: + trcPrintElemToString<PtmTrcPacket,ocsd_ptm_pkt>(p_pkt, pktStr); + break; + + default: + if (OCSD_PROTOCOL_IS_CUSTOM(pkt_protocol)) + err = ocsd_cust_protocol_to_str(pkt_protocol, p_pkt, buffer, buffer_size); + else + err = OCSD_ERR_NO_PROTOCOL; + break; + } + + if(pktStr.size() > 0) + { + strncpy(buffer,pktStr.c_str(),buffer_size-1); + buffer[buffer_size-1] = 0; + } + return err; +} + +OCSD_C_API ocsd_err_t ocsd_gen_elem_str(const ocsd_generic_trace_elem *p_pkt, char *buffer, const int buffer_size) +{ + ocsd_err_t err = OCSD_OK; + if((buffer == NULL) || (buffer_size < 2)) + return OCSD_ERR_INVALID_PARAM_VAL; + std::string str; + trcPrintElemToString<OcsdTraceElement,ocsd_generic_trace_elem>(p_pkt,str); + if(str.size() > 0) + { + strncpy(buffer,str.c_str(),buffer_size -1); + buffer[buffer_size-1] = 0; + } + return err; +} + +/*** Decode tree -- memory accessor control */ + +OCSD_C_API ocsd_err_t ocsd_dt_add_binfile_mem_acc(const dcd_tree_handle_t handle, const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const char *filepath) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT; + err = ocsd_check_and_add_mem_acc_mapper(handle,&pDT); + if(err == OCSD_OK) + err = pDT->addBinFileMemAcc(address,mem_space,filepath); + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_add_binfile_region_mem_acc(const dcd_tree_handle_t handle, const ocsd_file_mem_region_t *region_array, const int num_regions, const ocsd_mem_space_acc_t mem_space, const char *filepath) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT; + err = ocsd_check_and_add_mem_acc_mapper(handle,&pDT); + if(err == OCSD_OK) + err = pDT->addBinFileRegionMemAcc(region_array,num_regions,mem_space,filepath); + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_add_buffer_mem_acc(const dcd_tree_handle_t handle, const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t *p_mem_buffer, const uint32_t mem_length) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT; + err = ocsd_check_and_add_mem_acc_mapper(handle,&pDT); + if(err == OCSD_OK) + err = pDT->addBufferMemAcc(address,mem_space,p_mem_buffer,mem_length); + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_add_callback_mem_acc(const dcd_tree_handle_t handle, const ocsd_vaddr_t st_address, const ocsd_vaddr_t en_address, const ocsd_mem_space_acc_t mem_space, Fn_MemAcc_CB p_cb_func, const void *p_context) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT; + err = ocsd_check_and_add_mem_acc_mapper(handle,&pDT); + if(err == OCSD_OK) + err = pDT->addCallbackMemAcc(st_address,en_address,mem_space,p_cb_func,p_context); + return err; +} + +OCSD_C_API ocsd_err_t ocsd_dt_add_callback_trcid_mem_acc(const dcd_tree_handle_t handle, const ocsd_vaddr_t st_address, const ocsd_vaddr_t en_address, const ocsd_mem_space_acc_t mem_space, Fn_MemAccID_CB p_cb_func, const void *p_context) +{ + ocsd_err_t err = OCSD_OK; + DecodeTree *pDT; + err = ocsd_check_and_add_mem_acc_mapper(handle, &pDT); + if (err == OCSD_OK) + err = pDT->addCallbackIDMemAcc(st_address, en_address, mem_space, p_cb_func, p_context); + return err; +} + + +OCSD_C_API ocsd_err_t ocsd_dt_remove_mem_acc(const dcd_tree_handle_t handle, const ocsd_vaddr_t st_address, const ocsd_mem_space_acc_t mem_space) +{ + ocsd_err_t err = OCSD_OK; + + if(handle != C_API_INVALID_TREE_HANDLE) + { + DecodeTree *pDT = static_cast<DecodeTree *>(handle); + err = pDT->removeMemAccByAddress(st_address,mem_space); + } + else + err = OCSD_ERR_INVALID_PARAM_VAL; + return err; +} + +OCSD_C_API void ocsd_tl_log_mapped_mem_ranges(const dcd_tree_handle_t handle) +{ + if(handle != C_API_INVALID_TREE_HANDLE) + { + DecodeTree *pDT = static_cast<DecodeTree *>(handle); + pDT->logMappedRanges(); + } +} + +OCSD_C_API void ocsd_gen_elem_init(ocsd_generic_trace_elem *p_pkt, const ocsd_gen_trc_elem_t elem_type) +{ + p_pkt->elem_type = elem_type; + p_pkt->flag_bits = 0; + p_pkt->ptr_extended_data = 0; +} + +OCSD_C_API ocsd_err_t ocsd_dt_set_raw_frame_printer(const dcd_tree_handle_t handle, int flags) +{ + if (handle != C_API_INVALID_TREE_HANDLE) + return ((DecodeTree *)handle)->addRawFramePrinter(0, (uint32_t)flags); + return OCSD_ERR_NOT_INIT; +} + +OCSD_C_API ocsd_err_t ocsd_dt_set_gen_elem_printer(const dcd_tree_handle_t handle) +{ + if (handle != C_API_INVALID_TREE_HANDLE) + return ((DecodeTree *)handle)->addGenElemPrinter(0); + return OCSD_ERR_NOT_INIT; +} + +OCSD_C_API ocsd_err_t ocsd_dt_set_pkt_protocol_printer(const dcd_tree_handle_t handle, uint8_t cs_id, int monitor) +{ + ocsd_err_t err = OCSD_ERR_NOT_INIT; + if (handle != C_API_INVALID_TREE_HANDLE) + { + DecodeTree *p_tree = (DecodeTree *)handle; + err = p_tree->addPacketPrinter(cs_id, (bool)(monitor != 0), 0); + } + return err; +} + +OCSD_C_API void ocsd_err_str(const ocsd_err_t err, char *buffer, const int buffer_size) +{ + std::string err_str; + err_str = ocsdError::getErrorString(ocsdError(OCSD_ERR_SEV_ERROR, err)); + strncpy(buffer, err_str.c_str(), buffer_size - 1); + buffer[buffer_size - 1] = 0; +} + +OCSD_C_API ocsd_err_t ocsd_get_last_err(ocsd_trc_index_t *index, uint8_t *chan_id, char *message, const int message_len) +{ + ocsdError *p_err; + ocsd_err_t err = OCSD_OK; + std::string err_str; + + p_err = DecodeTree::getDefaultErrorLogger()->GetLastError(); + if (p_err) + { + *index = p_err->getErrorIndex(); + *chan_id = p_err->getErrorChanID(); + err_str = p_err->getErrorString(ocsdError(p_err)); + strncpy(message, err_str.c_str(), message_len - 1); + message[message_len - 1] = 0; + err = p_err->getErrorCode(); + } + else + { + message[0] = 0; + *index = OCSD_BAD_TRC_INDEX; + *chan_id = OCSD_BAD_CS_SRC_ID; + } + return err; +} + +/*******************************************************************************/ +/* C API local fns */ +/*******************************************************************************/ +static ocsd_err_t ocsd_create_pkt_sink_cb(ocsd_trace_protocol_t protocol, FnDefPktDataIn pPktInFn, const void *p_context, ITrcTypedBase **ppCBObj ) +{ + ocsd_err_t err = OCSD_OK; + *ppCBObj = 0; + + switch(protocol) + { + case OCSD_PROTOCOL_ETMV4I: + *ppCBObj = new (std::nothrow) PktCBObj<EtmV4ITrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_ETMV3: + *ppCBObj = new (std::nothrow) PktCBObj<EtmV3TrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_PTM: + *ppCBObj = new (std::nothrow) PktCBObj<PtmTrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_STM: + *ppCBObj = new (std::nothrow) PktCBObj<StmTrcPacket>(pPktInFn,p_context); + break; + + default: + if ((protocol >= OCSD_PROTOCOL_CUSTOM_0) && (protocol < OCSD_PROTOCOL_END)) + { + *ppCBObj = new (std::nothrow) PktCBObj<void>(pPktInFn, p_context); + } + else + err = OCSD_ERR_NO_PROTOCOL; + break; + } + + if((*ppCBObj == 0) && (err == OCSD_OK)) + err = OCSD_ERR_MEM; + + return err; +} + +static ocsd_err_t ocsd_create_pkt_mon_cb(ocsd_trace_protocol_t protocol, FnDefPktDataMon pPktInFn, const void *p_context, ITrcTypedBase **ppCBObj ) +{ + ocsd_err_t err = OCSD_OK; + *ppCBObj = 0; + + switch(protocol) + { + case OCSD_PROTOCOL_ETMV4I: + *ppCBObj = new (std::nothrow) PktMonCBObj<EtmV4ITrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_ETMV3: + *ppCBObj = new (std::nothrow) PktMonCBObj<EtmV3TrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_PTM: + *ppCBObj = new (std::nothrow) PktMonCBObj<PtmTrcPacket>(pPktInFn,p_context); + break; + + case OCSD_PROTOCOL_STM: + *ppCBObj = new (std::nothrow) PktMonCBObj<StmTrcPacket>(pPktInFn,p_context); + break; + + default: + if ((protocol >= OCSD_PROTOCOL_CUSTOM_0) && (protocol < OCSD_PROTOCOL_END)) + { + *ppCBObj = new (std::nothrow) PktMonCBObj<void>(pPktInFn, p_context); + } + else + err = OCSD_ERR_NO_PROTOCOL; + break; + } + + if((*ppCBObj == 0) && (err == OCSD_OK)) + err = OCSD_ERR_MEM; + + return err; +} + +static ocsd_err_t ocsd_check_and_add_mem_acc_mapper(const dcd_tree_handle_t handle, DecodeTree **ppDT) +{ + *ppDT = 0; + if(handle == C_API_INVALID_TREE_HANDLE) + return OCSD_ERR_INVALID_PARAM_VAL; + *ppDT = static_cast<DecodeTree *>(handle); + if(!(*ppDT)->hasMemAccMapper()) + return (*ppDT)->createMemAccMapper(); + return OCSD_OK; +} + +/*******************************************************************************/ +/* C API Helper objects */ +/*******************************************************************************/ + +/****************** Generic trace element output callback function ************/ +GenTraceElemCBObj::GenTraceElemCBObj(FnTraceElemIn pCBFn, const void *p_context) : + m_c_api_cb_fn(pCBFn), + m_p_cb_context(p_context) +{ +} + +ocsd_datapath_resp_t GenTraceElemCBObj::TraceElemIn(const ocsd_trc_index_t index_sop, + const uint8_t trc_chan_id, + const OcsdTraceElement &elem) +{ + return m_c_api_cb_fn(m_p_cb_context, index_sop, trc_chan_id, &elem); +} + +/* End of File ocsd_c_api.cpp */ diff --git a/decoder/source/c_api/ocsd_c_api_custom_obj.cpp b/decoder/source/c_api/ocsd_c_api_custom_obj.cpp new file mode 100644 index 0000000..dbd0bd1 --- /dev/null +++ b/decoder/source/c_api/ocsd_c_api_custom_obj.cpp @@ -0,0 +1,431 @@ +/* + * \file ocsd_c_api_custom_obj.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* pull in the C++ decode library */ +#include "opencsd.h" + +#include "opencsd/c_api/opencsd_c_api.h" +#include "ocsd_c_api_custom_obj.h" +#include "common/ocsd_lib_dcd_register.h" + +/***************** C-API functions ********************************/ + +/** register a custom decoder with the library */ +OCSD_C_API ocsd_err_t ocsd_register_custom_decoder(const char *name, ocsd_extern_dcd_fact_t *p_dcd_fact) +{ + ocsd_err_t err = OCSD_OK; + OcsdLibDcdRegister *pRegister = OcsdLibDcdRegister::getDecoderRegister(); + + // check not already registered + if(pRegister->isRegisteredDecoder(name)) + return OCSD_ERR_DCDREG_NAME_REPEAT; + + // validate the factory interface structure + if((p_dcd_fact->createDecoder == 0) || + (p_dcd_fact->destroyDecoder == 0) || + (p_dcd_fact->csidFromConfig == 0) + ) + return OCSD_ERR_INVALID_PARAM_VAL; + + // create a wrapper. + CustomDcdMngrWrapper *pWrapper = new (std::nothrow) CustomDcdMngrWrapper(); + if(pRegister == 0) + return OCSD_ERR_MEM; + + p_dcd_fact->protocol_id = OcsdLibDcdRegister::getNextCustomProtocolID(); + if(p_dcd_fact->protocol_id < OCSD_PROTOCOL_END) + { + // fill out the wrapper and register it + pWrapper->setAPIDcdFact(p_dcd_fact); + err = pRegister->registerDecoderTypeByName(name,pWrapper); + if(err != OCSD_OK) + OcsdLibDcdRegister::releaseLastCustomProtocolID(); + } + else + err = OCSD_ERR_DCDREG_TOOMANY; // too many decoders + + if(err != OCSD_OK) + delete pWrapper; + + return err; +} + +OCSD_C_API ocsd_err_t ocsd_deregister_decoders() +{ + // destroys all builtin and custom decoders & library registration object. + OcsdLibDcdRegister::deregisterAllDecoders(); + return OCSD_OK; +} + +OCSD_C_API ocsd_err_t ocsd_cust_protocol_to_str(const ocsd_trace_protocol_t pkt_protocol, const void *trc_pkt, char *buffer, const int buflen) +{ + OcsdLibDcdRegister *pRegister = OcsdLibDcdRegister::getDecoderRegister(); + IDecoderMngr *p_mngr = 0; + if (OCSD_PROTOCOL_IS_CUSTOM(pkt_protocol) && (pRegister->getDecoderMngrByType(pkt_protocol, &p_mngr) == OCSD_OK)) + { + CustomDcdMngrWrapper *pWrapper = static_cast<CustomDcdMngrWrapper *>(p_mngr); + pWrapper->pktToString(trc_pkt, buffer, buflen); + return OCSD_OK; + } + return OCSD_ERR_NO_PROTOCOL; +} + +/***************** Decode Manager Wrapper *****************************/ + +CustomDcdMngrWrapper::CustomDcdMngrWrapper() +{ + m_dcd_fact.protocol_id = OCSD_PROTOCOL_END; +} + + + // set the C-API decoder factory interface +void CustomDcdMngrWrapper::setAPIDcdFact(ocsd_extern_dcd_fact_t *p_dcd_fact) +{ + m_dcd_fact = *p_dcd_fact; +} + +// create and destroy decoders +ocsd_err_t CustomDcdMngrWrapper::createDecoder(const int create_flags, const int instID, const CSConfig *p_config, TraceComponent **ppComponent) +{ + ocsd_err_t err = OCSD_OK; + if(m_dcd_fact.protocol_id == OCSD_PROTOCOL_END) + return OCSD_ERR_NOT_INIT; + + CustomDecoderWrapper *pComp = new (std::nothrow) CustomDecoderWrapper(); + *ppComponent = pComp; + if (pComp == 0) + return OCSD_ERR_MEM; + + ocsd_extern_dcd_cb_fns lib_callbacks; + CustomDecoderWrapper::SetCallbacks(lib_callbacks); + lib_callbacks.lib_context = pComp; + lib_callbacks.packetCBFlags = 0; + + ocsd_extern_dcd_inst_t *pDecodeInst = pComp->getDecoderInstInfo(); + + err = m_dcd_fact.createDecoder( create_flags, + ((CustomConfigWrapper *)p_config)->getConfig(), + &lib_callbacks, + pDecodeInst); + + if (err == OCSD_OK) + { + // validate the decoder + if ((pDecodeInst->fn_data_in == 0) || + (pDecodeInst->fn_update_pkt_mon == 0) || + (pDecodeInst->cs_id == 0) || + (pDecodeInst->decoder_handle == 0) || + (pDecodeInst->p_decoder_name == 0) + ) + { + err = OCSD_ERR_INVALID_PARAM_VAL; + } + } + + if (err != OCSD_OK) + delete pComp; + else + pComp->updateNameFromDcdInst(); + return err; +} + +ocsd_err_t CustomDcdMngrWrapper::destroyDecoder(TraceComponent *pComponent) +{ + CustomDecoderWrapper *pCustWrap = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(m_dcd_fact.protocol_id != OCSD_PROTOCOL_END) + m_dcd_fact.destroyDecoder(pCustWrap->getDecoderInstInfo()->decoder_handle); + delete pCustWrap; + return OCSD_OK; +} + +const ocsd_trace_protocol_t CustomDcdMngrWrapper::getProtocolType() const +{ + return m_dcd_fact.protocol_id; +} + +ocsd_err_t CustomDcdMngrWrapper::createConfigFromDataStruct(CSConfig **pConfigBase, const void *pDataStruct) +{ + ocsd_err_t err = OCSD_OK; + CustomConfigWrapper *pConfig = new (std::nothrow) CustomConfigWrapper(pDataStruct); + if(!pConfig) + return OCSD_ERR_MEM; + + if(m_dcd_fact.csidFromConfig == 0) + return OCSD_ERR_NOT_INIT; + + unsigned char csid; + err = m_dcd_fact.csidFromConfig(pDataStruct,&csid); + if(err == OCSD_OK) + { + pConfig->setCSID(csid); + *pConfigBase = pConfig; + } + return err; +} + +ocsd_err_t CustomDcdMngrWrapper::getDataInputI(TraceComponent *pComponent, ITrcDataIn **ppDataIn) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + + *ppDataIn = pDecoder; + return OCSD_OK; +} + +// component connections +// all +ocsd_err_t CustomDcdMngrWrapper::attachErrorLogger(TraceComponent *pComponent, ITraceErrorLog *pIErrorLog) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if (pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + pDecoder->getErrorLogAttachPt()->replace_first(pIErrorLog); + return OCSD_OK; +} + +// full decoder +ocsd_err_t CustomDcdMngrWrapper::attachInstrDecoder(TraceComponent *pComponent, IInstrDecode *pIInstrDec) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + pDecoder->attachInstrDecI(pIInstrDec); + return OCSD_OK; +} + +ocsd_err_t CustomDcdMngrWrapper::attachMemAccessor(TraceComponent *pComponent, ITargetMemAccess *pMemAccessor) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + pDecoder->attachMemAccI(pMemAccessor); + return OCSD_OK; +} + +ocsd_err_t CustomDcdMngrWrapper::attachOutputSink(TraceComponent *pComponent, ITrcGenElemIn *pOutSink) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + pDecoder->attachGenElemI(pOutSink); + return OCSD_OK; +} + +// pkt processor only +ocsd_err_t CustomDcdMngrWrapper::attachPktMonitor(TraceComponent *pComponent, ITrcTypedBase *pPktRawDataMon) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + IPktRawDataMon<void> *pIF = 0; + if (pPktRawDataMon) + { + pIF = dynamic_cast<IPktRawDataMon<void> *>(pPktRawDataMon); + if (!pIF) + return OCSD_ERR_INVALID_PARAM_TYPE; + } + pDecoder->attachPtkMonI(pIF); + return OCSD_OK; +} + +ocsd_err_t CustomDcdMngrWrapper::attachPktIndexer(TraceComponent *pComponent, ITrcTypedBase *pPktIndexer) +{ + // indexers for external custom will also be external and custom. + return OCSD_ERR_DCD_INTERFACE_UNUSED; +} + +ocsd_err_t CustomDcdMngrWrapper::attachPktSink(TraceComponent *pComponent, ITrcTypedBase *pPktDataInSink) +{ + CustomDecoderWrapper *pDecoder = dynamic_cast<CustomDecoderWrapper *>(pComponent); + if(pDecoder == 0) + return OCSD_ERR_INVALID_PARAM_TYPE; + IPktDataIn<void> *pIF = 0; + if (pPktDataInSink) + { + pIF = dynamic_cast<IPktDataIn<void> *>(pPktDataInSink); + if(!pIF) + return OCSD_ERR_INVALID_PARAM_TYPE; + } + pDecoder->attachPtkSinkI(pIF); + return OCSD_OK; +} + +void CustomDcdMngrWrapper::pktToString(const void *pkt, char *pStrBuffer, int bufSize) +{ + if (m_dcd_fact.pktToString) + m_dcd_fact.pktToString(pkt, pStrBuffer, bufSize); + else + snprintf(pStrBuffer, bufSize, "CUSTOM_PKT[]: print unsupported; protocol(%d).",m_dcd_fact.protocol_id); +} + +/************************** Decoder instance wrapper **************************************/ + +/* callback functions */ +ocsd_datapath_resp_t GenElemOpCB( const void *lib_context, + const ocsd_trc_index_t index_sop, + const uint8_t trc_chan_id, + const ocsd_generic_trace_elem *elem) +{ + if (lib_context && ((CustomDecoderWrapper *)lib_context)->m_pGenElemIn) + return ((CustomDecoderWrapper *)lib_context)->m_pGenElemIn->TraceElemIn(index_sop,trc_chan_id,*(OcsdTraceElement *)elem); + return OCSD_RESP_FATAL_NOT_INIT; +} + +void LogErrorCB(const void *lib_context, const ocsd_err_severity_t filter_level, const ocsd_err_t code, const ocsd_trc_index_t idx, const uint8_t chan_id, const char *pMsg) +{ + if (lib_context) + { + if(pMsg) + ((CustomDecoderWrapper *)lib_context)->LogError(ocsdError(filter_level, code, idx, chan_id, std::string(pMsg))); + else + ((CustomDecoderWrapper *)lib_context)->LogError(ocsdError(filter_level, code, idx, chan_id)); + } +} + +void LogMsgCB(const void *lib_context, const ocsd_err_severity_t filter_level, const char *msg) +{ + if (lib_context && msg) + ((CustomDecoderWrapper *)lib_context)->LogMessage(filter_level, std::string(msg)); +} + +ocsd_err_t DecodeArmInstCB(const void *lib_context, ocsd_instr_info *instr_info) +{ + if (lib_context && ((CustomDecoderWrapper *)lib_context)->m_pIInstrDec) + return ((CustomDecoderWrapper *)lib_context)->m_pIInstrDec->DecodeInstruction(instr_info); + return OCSD_ERR_ATTACH_INVALID_PARAM; +} + +ocsd_err_t MemAccessCB(const void *lib_context, + const ocsd_vaddr_t address, + const uint8_t cs_trace_id, + const ocsd_mem_space_acc_t mem_space, + uint32_t *num_bytes, + uint8_t *p_buffer) +{ + if (lib_context && ((CustomDecoderWrapper *)lib_context)->m_pMemAccessor) + return ((CustomDecoderWrapper *)lib_context)->m_pMemAccessor->ReadTargetMemory(address, cs_trace_id, mem_space, num_bytes, p_buffer); + return OCSD_ERR_INVALID_PARAM_VAL; +} + +void PktMonCB(const void *lib_context, + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *pkt, + const uint32_t size, + const uint8_t *p_data) +{ + if (lib_context && ((CustomDecoderWrapper *)lib_context)->m_pPktMon) + ((CustomDecoderWrapper *)lib_context)->m_pPktMon->RawPacketDataMon(op, index_sop, pkt, size, p_data); +} + +ocsd_datapath_resp_t PktDataSinkCB(const void *lib_context, + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *pkt) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + if (lib_context && ((CustomDecoderWrapper *)lib_context)->m_pPktIn) + resp = ((CustomDecoderWrapper *)lib_context)->m_pPktIn->PacketDataIn(op, index_sop, pkt); + return resp; +} + + + +/** decoder instance object */ +CustomDecoderWrapper::CustomDecoderWrapper() : TraceComponent("extern_wrapper"), + m_pGenElemIn(0), + m_pIInstrDec(0), + m_pMemAccessor(0), + m_pPktMon(0), + m_pPktIn(0) +{ +} + +CustomDecoderWrapper::~CustomDecoderWrapper() +{ +} + +ocsd_datapath_resp_t CustomDecoderWrapper::TraceDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + if(m_decoder_inst.fn_data_in) + return m_decoder_inst.fn_data_in( m_decoder_inst.decoder_handle, + op, + index, + dataBlockSize, + pDataBlock, + numBytesProcessed); + return OCSD_RESP_FATAL_NOT_INIT; +} + +void CustomDecoderWrapper::attachPtkMonI(IPktRawDataMon<void>* pIF) +{ + m_pPktMon = pIF; + int flags = (m_pPktMon ? OCSD_CUST_DCD_PKT_CB_USE_MON : 0) | (m_pPktIn ? OCSD_CUST_DCD_PKT_CB_USE_SINK : 0); + m_decoder_inst.fn_update_pkt_mon(m_decoder_inst.decoder_handle, flags); +} + +void CustomDecoderWrapper::attachPtkSinkI(IPktDataIn<void>* pIF) +{ + m_pPktIn = pIF; + int flags = (m_pPktMon ? OCSD_CUST_DCD_PKT_CB_USE_MON : 0) | (m_pPktIn ? OCSD_CUST_DCD_PKT_CB_USE_SINK : 0); + m_decoder_inst.fn_update_pkt_mon(m_decoder_inst.decoder_handle, flags); +} + +void CustomDecoderWrapper::updateNameFromDcdInst() +{ + // create a unique component name from the decoder name + cs-id. + std::string name_combined = m_decoder_inst.p_decoder_name; + char num_buffer[32]; + sprintf(num_buffer, "_%04d", m_decoder_inst.cs_id); + name_combined += (std::string)num_buffer; + setComponentName(name_combined); +} + +void CustomDecoderWrapper::SetCallbacks(ocsd_extern_dcd_cb_fns & callbacks) +{ + callbacks.fn_arm_instruction_decode = DecodeArmInstCB; + callbacks.fn_gen_elem_out = GenElemOpCB; + callbacks.fn_log_error = LogErrorCB; + callbacks.fn_log_msg = LogMsgCB; + callbacks.fn_memory_access = MemAccessCB; + callbacks.fn_packet_data_sink = PktDataSinkCB; + callbacks.fn_packet_mon = PktMonCB; +} + +/* End of File ocsd_c_api_custom_obj.cpp */ diff --git a/decoder/source/c_api/ocsd_c_api_custom_obj.h b/decoder/source/c_api/ocsd_c_api_custom_obj.h new file mode 100644 index 0000000..d4845bd --- /dev/null +++ b/decoder/source/c_api/ocsd_c_api_custom_obj.h @@ -0,0 +1,189 @@ +/* + * \file ocsd_c_api_custom_obj.h + * \brief OpenCSD : + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#ifndef ARM_OCSD_C_API_CUSTOM_OBJ_H_INCLUDED +#define ARM_OCSD_C_API_CUSTOM_OBJ_H_INCLUDED + +#include "opencsd/c_api/ocsd_c_api_custom.h" +#include "common/ocsd_dcd_mngr_i.h" + +/***** Decoder manager interface ******************************/ +class CustomDcdMngrWrapper : public IDecoderMngr +{ +public: + CustomDcdMngrWrapper(); + virtual ~CustomDcdMngrWrapper() {}; + + // set the C-API decoder factory interface. + void setAPIDcdFact(ocsd_extern_dcd_fact_t *p_dcd_fact); + +// create and destroy decoders + virtual ocsd_err_t createDecoder(const int create_flags, const int instID, const CSConfig *p_config, TraceComponent **ppComponent); + virtual ocsd_err_t destroyDecoder(TraceComponent *pComponent); + + //! Get the built in protocol type ID managed by this instance - extern for custom decoders + virtual const ocsd_trace_protocol_t getProtocolType() const; + +// connect decoders to other components - (replace current / 0 pointer value to detach ); +// compatible with all decoders + //!attach error logger to ptk-processor, or both of pkt processor and pkt decoder pair + virtual ocsd_err_t attachErrorLogger(TraceComponent *pComponent, ITraceErrorLog *pIErrorLog); + +// pkt decoder only + //! attach instruction decoder to pkt decoder + virtual ocsd_err_t attachInstrDecoder(TraceComponent *pComponent, IInstrDecode *pIInstrDec); + + //! attach memory accessor to pkt decoder + virtual ocsd_err_t attachMemAccessor(TraceComponent *pComponent, ITargetMemAccess *pMemAccessor); + + //! attach generic output interface to pkt decoder + virtual ocsd_err_t attachOutputSink(TraceComponent *pComponent, ITrcGenElemIn *pOutSink); + +// pkt processor only + //! attach a raw packet monitor to pkt processor (solo pkt processor, or pkt processor part of pair) + virtual ocsd_err_t attachPktMonitor(TraceComponent *pComponent, ITrcTypedBase *pPktRawDataMon); + + //! attach a packet indexer to pkt processor (solo pkt processor, or pkt processor part of pair) + virtual ocsd_err_t attachPktIndexer(TraceComponent *pComponent, ITrcTypedBase *pPktIndexer); + + //! attach a packet data sink to pkt processor output (solo pkt processor only - instead of decoder when pkt processor only created.) + virtual ocsd_err_t attachPktSink(TraceComponent *pComponent, ITrcTypedBase *pPktDataInSink); + +// data input connection interface + //! get raw data input interface from packet processor + virtual ocsd_err_t getDataInputI(TraceComponent *pComponent, ITrcDataIn **ppDataIn); + +// create configuration from data structure + virtual ocsd_err_t createConfigFromDataStruct(CSConfig **pConfigBase, const void *pDataStruct); + +// custom packet to string interface. + void pktToString(const void *pkt, char *pStrBuffer, int bufSize); + +private: + + ocsd_extern_dcd_fact_t m_dcd_fact; +}; + +/**** Decoder instance wrapper */ +class CustomDecoderWrapper : public TraceComponent, public ITrcDataIn +{ +public: + CustomDecoderWrapper(); + virtual ~CustomDecoderWrapper(); + ocsd_extern_dcd_inst_t *getDecoderInstInfo() { return &m_decoder_inst; } + + virtual ocsd_datapath_resp_t TraceDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed); + + void attachGenElemI(ITrcGenElemIn *pIF) { m_pGenElemIn = pIF; }; + void attachInstrDecI(IInstrDecode *pIF) { m_pIInstrDec = pIF; }; + void attachMemAccI(ITargetMemAccess *pIF) { m_pMemAccessor = pIF; }; + + void attachPtkMonI(IPktRawDataMon<void> *pIF); + void attachPtkSinkI(IPktDataIn<void> *pIF); + + void updateNameFromDcdInst(); + + static void SetCallbacks(ocsd_extern_dcd_cb_fns &callbacks); + +private: + // declare the callback functions as friend functions. + friend ocsd_datapath_resp_t GenElemOpCB( const void *lib_context, + const ocsd_trc_index_t index_sop, + const uint8_t trc_chan_id, + const ocsd_generic_trace_elem *elem); + + friend void LogErrorCB( const void *lib_context, + const ocsd_err_severity_t filter_level, + const ocsd_err_t code, + const ocsd_trc_index_t idx, + const uint8_t chan_id, + const char *pMsg); + + friend void LogMsgCB(const void *lib_context, + const ocsd_err_severity_t filter_level, + const char *msg); + + friend ocsd_err_t DecodeArmInstCB(const void *lib_context, ocsd_instr_info *instr_info); + + friend ocsd_err_t MemAccessCB(const void *lib_context, + const ocsd_vaddr_t address, + const uint8_t cs_trace_id, + const ocsd_mem_space_acc_t mem_space, + uint32_t *num_bytes, + uint8_t *p_buffer); + + friend void PktMonCB(const void *lib_context, + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *pkt, + const uint32_t size, + const uint8_t *p_data); + + friend ocsd_datapath_resp_t PktDataSinkCB(const void *lib_context, + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *pkt); + +private: + ITrcGenElemIn *m_pGenElemIn; //!< generic element sink interface - output from decoder fed to common sink. + IInstrDecode *m_pIInstrDec; //!< arm instruction decode interface - decoder may want to use this. + ITargetMemAccess *m_pMemAccessor; //!< system memory accessor insterface - decoder may want to use this. + IPktRawDataMon<void> *m_pPktMon; //!< interface to packet monitor (full or packet only decode). + IPktDataIn<void> *m_pPktIn; //!< interface to packet sink (decode packets only). + + ocsd_extern_dcd_inst_t m_decoder_inst; +}; + +/**** Decoder configuration wrapper - implements CSConfig base class interface ***/ +class CustomConfigWrapper : public CSConfig +{ +public: + CustomConfigWrapper(const void *p_config) : m_p_config(p_config), m_CSID(0) {}; + virtual ~CustomConfigWrapper() {}; + virtual const uint8_t getTraceID() const { return m_CSID; }; + void setCSID(const uint8_t CSID) { m_CSID = CSID; }; + const void *getConfig() { return m_p_config; }; +private: + const void *m_p_config; + uint8_t m_CSID; +}; + +#endif // ARM_OCSD_C_API_CUSTOM_OBJ_H_INCLUDED + +/* End of File ocsd_c_api_custom_obj.h */ diff --git a/decoder/source/c_api/ocsd_c_api_obj.h b/decoder/source/c_api/ocsd_c_api_obj.h new file mode 100644 index 0000000..0476ac6 --- /dev/null +++ b/decoder/source/c_api/ocsd_c_api_obj.h @@ -0,0 +1,182 @@ +/* + * \file ocsd_c_api_obj.h + * \brief OpenCSD : C API callback objects. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +#ifndef ARM_OCSD_C_API_OBJ_H_INCLUDED +#define ARM_OCSD_C_API_OBJ_H_INCLUDED + +#include "opencsd/c_api/ocsd_c_api_types.h" +#include "interfaces/trc_gen_elem_in_i.h" +#include "common/ocsd_msg_logger.h" + +class TraceElemCBBase +{ +public: + TraceElemCBBase() {}; + virtual ~TraceElemCBBase() {}; +}; + +class GenTraceElemCBObj : public ITrcGenElemIn, public TraceElemCBBase +{ +public: + GenTraceElemCBObj(FnTraceElemIn pCBFn, const void *p_context); + virtual ~GenTraceElemCBObj() {}; + + virtual ocsd_datapath_resp_t TraceElemIn(const ocsd_trc_index_t index_sop, + const uint8_t trc_chan_id, + const OcsdTraceElement &elem); + +private: + FnTraceElemIn m_c_api_cb_fn; + const void *m_p_cb_context; +}; + + + +template<class TrcPkt> +class PktCBObj : public IPktDataIn<TrcPkt> +{ +public: + PktCBObj( FnDefPktDataIn pCBFunc, const void *p_context) + { + m_c_api_cb_fn = pCBFunc; + m_p_context = p_context; + }; + + virtual ~PktCBObj() {}; + + virtual ocsd_datapath_resp_t PacketDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const TrcPkt *p_packet_in) + { + const void *c_pkt_struct = 0; + if(op == OCSD_OP_DATA) + c_pkt_struct = p_packet_in->c_pkt(); // always output the c struct packet + return m_c_api_cb_fn(m_p_context,op,index_sop,c_pkt_struct); + }; + +private: + FnDefPktDataIn m_c_api_cb_fn; + const void *m_p_context; +}; + +// void specialisation for custom decoders that pass packets as const void * pointers +template<> +class PktCBObj<void> : public IPktDataIn<void> +{ +public: + PktCBObj(FnDefPktDataIn pCBFunc, const void *p_context) + { + m_c_api_cb_fn = pCBFunc; + m_p_context = p_context; + }; + + virtual ~PktCBObj() {}; + + virtual ocsd_datapath_resp_t PacketDataIn(const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *p_packet_in) + { + return m_c_api_cb_fn(m_p_context, op, index_sop, p_packet_in); + }; + +private: + FnDefPktDataIn m_c_api_cb_fn; + const void *m_p_context; +}; + + +template<class TrcPkt> +class PktMonCBObj : public IPktRawDataMon<TrcPkt> +{ +public: + PktMonCBObj( FnDefPktDataMon pCBFunc, const void *p_context) + { + m_c_api_cb_fn = pCBFunc; + m_p_context = p_context; + }; + + virtual ~PktMonCBObj() {}; + + virtual void RawPacketDataMon( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const TrcPkt *p_packet_in, + const uint32_t size, + const uint8_t *p_data) + { + const void *c_pkt_struct = 0; + if(op == OCSD_OP_DATA) + c_pkt_struct = p_packet_in->c_pkt(); // always output the c struct packet + m_c_api_cb_fn(m_p_context,op,index_sop,c_pkt_struct,size,p_data); + }; + +private: + FnDefPktDataMon m_c_api_cb_fn; + const void *m_p_context; +}; + +// void specialisation for custom decoders that pass packets as const void * pointers +template<> +class PktMonCBObj<void> : public IPktRawDataMon<void> +{ +public: + PktMonCBObj(FnDefPktDataMon pCBFunc, const void *p_context) + { + m_c_api_cb_fn = pCBFunc; + m_p_context = p_context; + }; + + virtual ~PktMonCBObj() {}; + virtual void RawPacketDataMon(const ocsd_datapath_op_t op, + const ocsd_trc_index_t index_sop, + const void *p_packet_in, + const uint32_t size, + const uint8_t *p_data) + { + m_c_api_cb_fn(m_p_context, op, index_sop, p_packet_in, size, p_data); + }; + +private: + FnDefPktDataMon m_c_api_cb_fn; + const void *m_p_context; +}; + +/* handler for default string print CB object */ +class DefLogStrCBObj : public ocsdMsgLogStrOutI +{ +public: + DefLogStrCBObj() + { + m_c_api_cb_fn = 0; + m_p_context = 0; + }; + + virtual ~DefLogStrCBObj() + { + m_c_api_cb_fn = 0; + m_p_context = 0; + }; + + void setCBFn(const void *p_context, FnDefLoggerPrintStrCB pCBFn) + { + m_c_api_cb_fn = pCBFn; + m_p_context = p_context; + }; + + virtual void printOutStr(const std::string &outStr) + { + if(m_c_api_cb_fn) + m_c_api_cb_fn(m_p_context, outStr.c_str(), outStr.length()); + } + +private: + FnDefLoggerPrintStrCB m_c_api_cb_fn; + const void *m_p_context; +}; + +#endif // ARM_OCSD_C_API_OBJ_H_INCLUDED + +/* End of File ocsd_c_api_obj.h */ diff --git a/decoder/source/ete/trc_cmp_cfg_ete.cpp b/decoder/source/ete/trc_cmp_cfg_ete.cpp new file mode 100644 index 0000000..474cb2f --- /dev/null +++ b/decoder/source/ete/trc_cmp_cfg_ete.cpp @@ -0,0 +1,98 @@ +/* +* \file trc_cmp_cfg_ete.cpp +* \brief OpenCSD : ETE config class +* +* \copyright Copyright (c) 2019, ARM Limited. All Rights Reserved. +*/ + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "opencsd/ete/trc_cmp_cfg_ete.h" + +ETEConfig::ETEConfig() : EtmV4Config() +{ + m_ete_cfg.reg_idr0 = 0x28000EA1; + m_ete_cfg.reg_idr1 = 0x4100FFF3; + m_ete_cfg.reg_idr2 = 0x00000488; + m_ete_cfg.reg_idr8 = 0; + m_ete_cfg.reg_configr = 0xC1; + m_ete_cfg.reg_traceidr = 0; + m_ete_cfg.arch_ver = ARCH_AA64; + m_ete_cfg.core_prof = profile_CortexA; + m_ete_cfg.reg_devarch = 0x47705A13; + copyV4(); +} + +ETEConfig::ETEConfig(const ocsd_ete_cfg *cfg_regs) : EtmV4Config() +{ + m_ete_cfg = *cfg_regs; + copyV4(); +} + +ETEConfig::~ETEConfig() +{ + +} + +//! copy assignment operator for base structure into class. +ETEConfig & ETEConfig::operator=(const ocsd_ete_cfg *p_cfg) +{ + m_ete_cfg = *p_cfg; + copyV4(); + return *this; +} + +//! cast operator returning struct const reference +//operator const ocsd_ete_cfg &() const { return m_ete_cfg; }; +//! cast operator returning struct const pointer +//operator const ocsd_ete_cfg *() const { return &m_ete_cfg; }; + +// ete superset of etmv4 - move info to underlying structure. +void ETEConfig::copyV4() +{ + // copy over 1:1 regs + m_cfg.reg_idr0 = m_ete_cfg.reg_idr0; + m_cfg.reg_idr1 = m_ete_cfg.reg_idr1; + m_cfg.reg_idr2 = m_ete_cfg.reg_idr2; + m_cfg.reg_idr8 = m_ete_cfg.reg_idr8; + m_cfg.reg_idr9 = 0; + m_cfg.reg_idr10 = 0; + m_cfg.reg_idr11 = 0; + m_cfg.reg_idr12 = 0; + m_cfg.reg_idr13 = 0; + m_cfg.reg_configr = m_ete_cfg.reg_configr; + m_cfg.reg_traceidr = m_ete_cfg.reg_traceidr; + m_cfg.core_prof = m_ete_cfg.core_prof; + m_cfg.arch_ver = m_ete_cfg.arch_ver; + + // override major / minor version as part of devarch + m_MajVer = (uint8_t)((m_ete_cfg.reg_devarch & 0xF000) >> 12); + m_MinVer = (uint8_t)((m_ete_cfg.reg_devarch & 0xF0000) >> 16); +} + +/* End of File trc_cmp_cfg_ete.cpp */ diff --git a/decoder/source/etmv3/trc_cmp_cfg_etmv3.cpp b/decoder/source/etmv3/trc_cmp_cfg_etmv3.cpp new file mode 100644 index 0000000..f2556e4 --- /dev/null +++ b/decoder/source/etmv3/trc_cmp_cfg_etmv3.cpp @@ -0,0 +1,65 @@ +/* + * \file trc_cmp_cfg_etmv3.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv3/trc_cmp_cfg_etmv3.h" + +EtmV3Config::EtmV3Config() +{ + // defaults set ETMv3.4, V7A, instruction only. + m_cfg.arch_ver = ARCH_V7; + m_cfg.core_prof = profile_CortexA; + m_cfg.reg_ccer = 0; + m_cfg.reg_idr = 0x4100F240; // default trace IDR value + m_cfg.reg_ctrl = 0; +} + +EtmV3Config::EtmV3Config(const ocsd_etmv3_cfg *cfg_regs) +{ + m_cfg = *cfg_regs; +} + +EtmV3Config::EtmTraceMode const EtmV3Config::GetTraceMode() const +{ + int mode = 0 + ( isDataValTrace() ? 1 : 0 ) + (isDataAddrTrace() ? 2 : 0) + (isInstrTrace() ? 0 : 3); + return (EtmTraceMode)mode; +} + +const int EtmV3Config::CtxtIDBytes() const +{ + int ctxtIdsizes[] = { 0, 1, 2, 4 }; + return ctxtIdsizes[(m_cfg.reg_ctrl >> 14) & 0x3]; +} + +/* End of File trc_cmp_cfg_etmv3.cpp */ diff --git a/decoder/source/etmv3/trc_pkt_decode_etmv3.cpp b/decoder/source/etmv3/trc_pkt_decode_etmv3.cpp new file mode 100644 index 0000000..e68a73f --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_decode_etmv3.cpp @@ -0,0 +1,681 @@ +/*! + * \file trc_pkt_decode_etmv3.cpp + * \brief OpenCSD : ETMv3 trace packet decode. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv3/trc_pkt_decode_etmv3.h" + +#define DCD_NAME "DCD_ETMV3" + +TrcPktDecodeEtmV3::TrcPktDecodeEtmV3() : + TrcPktDecodeBase(DCD_NAME) +{ + initDecoder(); +} + +TrcPktDecodeEtmV3::TrcPktDecodeEtmV3(int instIDNum) : + TrcPktDecodeBase(DCD_NAME, instIDNum) +{ + initDecoder(); +} + +TrcPktDecodeEtmV3::~TrcPktDecodeEtmV3() +{ +} + + +/* implementation packet decoding interface */ +ocsd_datapath_resp_t TrcPktDecodeEtmV3::processPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bPktDone = false; + + if(!m_config) + return OCSD_RESP_FATAL_NOT_INIT; + + // iterate round the state machine, waiting for sync, then decoding packets. + while(!bPktDone) + { + switch(m_curr_state) + { + case NO_SYNC: + // output the initial not synced packet to the sink + resp = sendUnsyncPacket(); + m_curr_state = WAIT_ASYNC; // immediate wait for ASync and actually check out the packet + break; + + case WAIT_ASYNC: + // if async, wait for ISync, but this packet done. + if(m_curr_packet_in->getType() == ETM3_PKT_A_SYNC) + m_curr_state = WAIT_ISYNC; + bPktDone = true; + break; + + case WAIT_ISYNC: + m_bWaitISync = true; // we are waiting for ISync + if((m_curr_packet_in->getType() == ETM3_PKT_I_SYNC) || + (m_curr_packet_in->getType() == ETM3_PKT_I_SYNC_CYCLE)) + { + // process the ISync immediately as the first ISync seen. + resp = processISync((m_curr_packet_in->getType() == ETM3_PKT_I_SYNC_CYCLE),true); + m_curr_state = SEND_PKTS; + m_bWaitISync = false; + } + // something like TS, CC, PHDR+CC, which after ASYNC may be valid prior to ISync + else if(preISyncValid(m_curr_packet_in->getType())) + { + // decode anything that might be valid - send will be set automatically + resp = decodePacket(bPktDone); + } + else + bPktDone = true; + break; + + case DECODE_PKTS: + resp = decodePacket(bPktDone); + break; + + case SEND_PKTS: + resp = m_outputElemList.sendElements(); + if(OCSD_DATA_RESP_IS_CONT(resp)) + m_curr_state = m_bWaitISync ? WAIT_ISYNC : DECODE_PKTS; + bPktDone = true; + break; + + default: + bPktDone = true; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_index_curr_pkt,"Unknown Decoder State")); + resetDecoder(); // mark decoder as unsynced - dump any current state. + resp = OCSD_RESP_FATAL_SYS_ERR; + break; + } + } + + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + OcsdTraceElement *pElem = 0; + try { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_EO_TRACE); + pElem->setUnSyncEOTReason(UNSYNC_EOT); + m_outputElemList.commitAllPendElem(); + m_curr_state = SEND_PKTS; + resp = m_outputElemList.sendElements(); + if(OCSD_DATA_RESP_IS_CONT(resp)) + m_curr_state = DECODE_PKTS; + } + catch(ocsdError &err) + { + LogError(err); + resetDecoder(); // mark decoder as unsynced - dump any current state. + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::onReset() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_unsync_info = UNSYNC_RESET_DECODER; + resetDecoder(); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::onFlush() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + if(m_curr_state == SEND_PKTS) + { + resp = m_outputElemList.sendElements(); + if(OCSD_DATA_RESP_IS_CONT(resp)) + m_curr_state = m_bWaitISync ? WAIT_ISYNC : DECODE_PKTS; + } + return resp; +} + +ocsd_err_t TrcPktDecodeEtmV3::onProtocolConfig() +{ + ocsd_err_t err = OCSD_OK; + if(m_config) + { + // set some static config elements + m_CSID = m_config->getTraceID(); + + // check config compatible with current decoder support level. + // at present no data trace; + if(m_config->GetTraceMode() != EtmV3Config::TM_INSTR_ONLY) + { + err = OCSD_ERR_HW_CFG_UNSUPP; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,"ETMv3 trace decoder : data trace decode not yet supported")); + } + + // need to set up core profile info in follower + ocsd_arch_profile_t arch_profile; + arch_profile.arch = m_config->getArchVersion(); + arch_profile.profile = m_config->getCoreProfile(); + m_code_follower.setArchProfile(arch_profile); + m_code_follower.setMemSpaceCSID(m_CSID); + m_outputElemList.initCSID(m_CSID); + } + else + err = OCSD_ERR_NOT_INIT; + return err; +} + +/* local decode methods */ + +// initialise on creation +void TrcPktDecodeEtmV3::initDecoder() +{ + m_CSID = 0; + resetDecoder(); + m_unsync_info = UNSYNC_INIT_DECODER; + m_code_follower.initInterfaces(getMemoryAccessAttachPt(),getInstrDecodeAttachPt()); + m_outputElemList.initSendIf(getTraceElemOutAttachPt()); +} + +// reset for first use / re-use. +void TrcPktDecodeEtmV3::resetDecoder() +{ + m_curr_state = NO_SYNC; // mark as not synced + m_bNeedAddr = true; + m_bSentUnknown = false; + m_bWaitISync = false; + m_outputElemList.reset(); +} + +OcsdTraceElement *TrcPktDecodeEtmV3::GetNextOpElem(ocsd_datapath_resp_t &resp) +{ + OcsdTraceElement *pElem = m_outputElemList.getNextElem(m_index_curr_pkt); + if(pElem == 0) + { + resp = OCSD_RESP_FATAL_NOT_INIT; + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_MEM,m_index_curr_pkt,m_CSID,"Memory Allocation Error - fatal"); + } + return pElem; +} + +bool TrcPktDecodeEtmV3::preISyncValid(ocsd_etmv3_pkt_type pkt_type) +{ + bool bValid = false; + // its a timestamp + if((pkt_type == ETM3_PKT_TIMESTAMP) || + // or we are cycleacc and its a packet that can have CC in it + (m_config->isCycleAcc() && ((pkt_type == ETM3_PKT_CYCLE_COUNT) || (pkt_type == ETM3_PKT_P_HDR))) + ) + bValid = true; + return bValid; +} + +// simple packet transforms handled here, more complex processing passed on to specific routines. +ocsd_datapath_resp_t TrcPktDecodeEtmV3::decodePacket(bool &pktDone) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bISyncHasCC = false; + OcsdTraceElement *pElem = 0; + pktDone = false; + + // there may be pended packets that can now be committed. + // only the branch address with exception and cancel element can cancel + // if not one of those, commit immediately, otherwise defer to branch address handler. + if(m_curr_packet_in->getType() != ETM3_PKT_BRANCH_ADDRESS) + m_outputElemList.commitAllPendElem(); + + try { + + switch(m_curr_packet_in->getType()) + { + + case ETM3_PKT_NOTSYNC: + // mark as not synced - must have lost sync in the packet processor somehow + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_index_curr_pkt,m_CSID,"Trace Packet Synchronisation Lost"); + break; + + // no action for these packets - ignore and continue + case ETM3_PKT_INCOMPLETE_EOT: + case ETM3_PKT_A_SYNC: + case ETM3_PKT_IGNORE: + break; + + // markers for valid packets + case ETM3_PKT_CYCLE_COUNT: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_CYCLE_COUNT); + pElem->setCycleCount(m_curr_packet_in->getCycleCount()); + break; + + case ETM3_PKT_TRIGGER: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_EVENT); + pElem->setEvent(EVENT_TRIGGER,0); + break; + + case ETM3_PKT_BRANCH_ADDRESS: + resp = processBranchAddr(); + break; + + case ETM3_PKT_I_SYNC_CYCLE: + bISyncHasCC = true; + case ETM3_PKT_I_SYNC: + resp = processISync(bISyncHasCC); + break; + + case ETM3_PKT_P_HDR: + resp = processPHdr(); + break; + + case ETM3_PKT_CONTEXT_ID: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + m_PeContext.setCtxtID(m_curr_packet_in->getCtxtID()); + pElem->setContext(m_PeContext); + break; + + case ETM3_PKT_VMID: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + m_PeContext.setVMID(m_curr_packet_in->getVMID()); + pElem->setContext(m_PeContext); + break; + + case ETM3_PKT_EXCEPTION_ENTRY: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_EXCEPTION); + pElem->setExcepMarker(); // exception entries are always v7M data markers in ETMv3 trace. + break; + + case ETM3_PKT_EXCEPTION_EXIT: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_EXCEPTION_RET); + pendExceptionReturn(); + break; + + case ETM3_PKT_TIMESTAMP: + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_TIMESTAMP); + pElem->setTS(m_curr_packet_in->getTS()); + break; + + // data packets - data trace not supported at present + case ETM3_PKT_STORE_FAIL: + case ETM3_PKT_OOO_DATA: + case ETM3_PKT_OOO_ADDR_PLC: + case ETM3_PKT_NORM_DATA: + case ETM3_PKT_DATA_SUPPRESSED: + case ETM3_PKT_VAL_NOT_TRACED: + case ETM3_PKT_BAD_TRACEMODE: + resp = OCSD_RESP_FATAL_INVALID_DATA; + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,m_index_curr_pkt,m_CSID,"Invalid packet type : Data Tracing decode not supported."); + break; + + // packet errors + case ETM3_PKT_BAD_SEQUENCE: + resp = OCSD_RESP_FATAL_INVALID_DATA; + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_index_curr_pkt,m_CSID,"Bad Packet sequence."); + break; + + default: + case ETM3_PKT_RESERVED: + resp = OCSD_RESP_FATAL_INVALID_DATA; + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_index_curr_pkt,m_CSID,"Reserved or unknown packet ID."); + break; + } + m_curr_state = m_outputElemList.elemToSend() ? SEND_PKTS : DECODE_PKTS; + pktDone = !m_outputElemList.elemToSend(); + } + catch(ocsdError &err) + { + LogError(err); + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + pktDone = true; + } + catch(...) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_index_curr_pkt,m_CSID,"Bad Packet sequence.")); + resp = OCSD_RESP_FATAL_SYS_ERR; + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + pktDone = true; + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::sendUnsyncPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + OcsdTraceElement *pElem = 0; + try { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_NO_SYNC); + pElem->setUnSyncEOTReason(m_unsync_info); + resp = m_outputElemList.sendElements(); + } + catch(ocsdError &err) + { + LogError(err); + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + } + return resp; +} + +void TrcPktDecodeEtmV3::setNeedAddr(bool bNeedAddr) +{ + m_bNeedAddr = bNeedAddr; + m_bSentUnknown = false; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::processISync(const bool withCC, const bool firstSync /* = false */) +{ + // map ISync reason to generic reason codes. + static trace_on_reason_t on_map[] = { TRACE_ON_NORMAL, TRACE_ON_NORMAL, + TRACE_ON_OVERFLOW, TRACE_ON_EX_DEBUG }; + + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool ctxtUpdate = m_curr_packet_in->isCtxtUpdated(); + OcsdTraceElement *pElem = 0; + + try { + + pElem = GetNextOpElem(resp); + + if(firstSync || (m_curr_packet_in->getISyncReason() != iSync_Periodic)) + { + pElem->setType(OCSD_GEN_TRC_ELEM_TRACE_ON); + pElem->setTraceOnReason(on_map[(int)m_curr_packet_in->getISyncReason()]); + pElem = GetNextOpElem(resp); + } + + // look for context changes.... + if(ctxtUpdate || firstSync) + { + // if not first time out, read existing context in output element, + // otherwise we are setting it new. + if(firstSync) + m_PeContext.resetCtxt(); + + if(m_curr_packet_in->isCtxtIDUpdated()) + m_PeContext.setCtxtID(m_curr_packet_in->getCtxtID()); + if(m_curr_packet_in->isVMIDUpdated()) + m_PeContext.setVMID(m_curr_packet_in->getVMID()); + if(m_curr_packet_in->isCtxtFlagsUpdated()) + { + m_PeContext.setEL(m_curr_packet_in->isHyp() ? ocsd_EL2 : ocsd_EL_unknown); + m_PeContext.setSecLevel(m_curr_packet_in->isNS() ? ocsd_sec_nonsecure : ocsd_sec_secure); + } + + // prepare the context packet + pElem->setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + pElem->setContext(m_PeContext); + pElem->setISA(m_curr_packet_in->ISA()); + + // with cycle count... + if(m_curr_packet_in->getISyncHasCC()) + pElem->setCycleCount(m_curr_packet_in->getCycleCount()); + + } + + // set ISync address - if it is a valid I address + if(!m_curr_packet_in->getISyncNoAddr()) + { + if(m_curr_packet_in->getISyncIsLSiPAddr()) + { + // TBD: handle extra data processing instruction for data trace + // need to output E atom relating to the data instruction + // rare - on start-up case. + + // main instruction address saved in data address for this packet type. + m_IAddr = m_curr_packet_in->getDataAddr(); + } + else + { + m_IAddr = m_curr_packet_in->getAddr(); + } + setNeedAddr(false); // ready to process atoms. + } + m_curr_state = m_outputElemList.elemToSend() ? SEND_PKTS : DECODE_PKTS; + } + catch(ocsdError &err) + { + LogError(err); + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::processBranchAddr() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + OcsdTraceElement *pElem = 0; + bool bUpdatePEContext = false; + + // might need to cancel something ... if the last output was an instruction range or excep return + if(m_curr_packet_in->isExcepCancel()) + m_outputElemList.cancelPendElem(); + else + m_outputElemList.commitAllPendElem(); // otherwise commit any pending elements. + + // record the address + m_IAddr = m_curr_packet_in->getAddr(); + setNeedAddr(false); // no longer need an address. + + // exception packet - may need additional output + if(m_curr_packet_in->isExcepPkt()) + { + // exeception packet may have exception, context change, or both. + // check for context change + if(m_curr_packet_in->isCtxtUpdated()) + { + + ocsd_sec_level sec = m_curr_packet_in->isNS() ? ocsd_sec_nonsecure : ocsd_sec_secure; + if(sec != m_PeContext.getSecLevel()) + { + m_PeContext.setSecLevel(sec); + bUpdatePEContext = true; + } + ocsd_ex_level pkt_el = m_curr_packet_in->isHyp() ? ocsd_EL2 : ocsd_EL_unknown; + if(pkt_el != m_PeContext.getEL()) + { + m_PeContext.setEL(pkt_el); + bUpdatePEContext = true; + } + } + + // now decide if we need to send any packets out. + try { + + if(bUpdatePEContext) + { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + pElem->setContext(m_PeContext); + } + + // check for exception + if(m_curr_packet_in->excepNum() != 0) + { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_EXCEPTION); + pElem->setExceptionNum(m_curr_packet_in->excepNum()); + } + + // finally - do we have anything to send yet? + m_curr_state = m_outputElemList.elemToSend() ? SEND_PKTS : DECODE_PKTS; + } + catch(ocsdError &err) + { + LogError(err); + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + } + } + return resp; +} + + +ocsd_datapath_resp_t TrcPktDecodeEtmV3::processPHdr() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + OcsdTraceElement *pElem = 0; + ocsd_isa isa; + Etmv3Atoms atoms(m_config->isCycleAcc()); + + atoms.initAtomPkt(m_curr_packet_in,m_index_curr_pkt); + isa = m_curr_packet_in->ISA(); + m_code_follower.setMemSpaceAccess((m_PeContext.getSecLevel() == ocsd_sec_secure) ? OCSD_MEM_SPACE_S : OCSD_MEM_SPACE_N); + + try + { + do + { + // if we do not have a valid address then send any cycle count elements + // and stop processing + if(m_bNeedAddr) + { + // output unknown address packet or a cycle count packet + if(!m_bSentUnknown || m_config->isCycleAcc()) + { + pElem = GetNextOpElem(resp); + if(m_bSentUnknown || !atoms.numAtoms()) + pElem->setType(OCSD_GEN_TRC_ELEM_CYCLE_COUNT); + else + pElem->setType(OCSD_GEN_TRC_ELEM_ADDR_UNKNOWN); + if(m_config->isCycleAcc()) + pElem->setCycleCount(atoms.getRemainCC()); + m_bSentUnknown = true; + } + atoms.clearAll(); // skip remaining atoms + } + else // have an address, can process atoms + { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_INSTR_RANGE); + + // cycle accurate may have a cycle count to use + if(m_config->isCycleAcc()) + { + // note: it is possible to have a CC only atom packet. + if(!atoms.numAtoms()) // override type if CC only + pElem->setType(OCSD_GEN_TRC_ELEM_CYCLE_COUNT); + // set cycle count + pElem->setCycleCount(atoms.getAtomCC()); + } + + // now process the atom + if(atoms.numAtoms()) + { + m_code_follower.setISA(isa); + m_code_follower.followSingleAtom(m_IAddr,atoms.getCurrAtomVal()); + + // valid code range + if(m_code_follower.hasRange()) + { + pElem->setAddrRange(m_IAddr,m_code_follower.getRangeEn()); + pElem->setLastInstrInfo(atoms.getCurrAtomVal() == ATOM_E, + m_code_follower.getInstrType(), + m_code_follower.getInstrSubType(),m_code_follower.getInstrSize()); + pElem->setLastInstrCond(m_code_follower.isCondInstr()); + pElem->setISA(isa); + if(m_code_follower.hasNextAddr()) + m_IAddr = m_code_follower.getNextAddr(); + else + setNeedAddr(true); + } + + // next address has new ISA? + if(m_code_follower.ISAChanged()) + isa = m_code_follower.nextISA(); + + // there is a nacc + if(m_code_follower.isNacc()) + { + if(m_code_follower.hasRange()) + { + pElem = GetNextOpElem(resp); + pElem->setType(OCSD_GEN_TRC_ELEM_ADDR_NACC); + } + else + pElem->updateType(OCSD_GEN_TRC_ELEM_ADDR_NACC); + pElem->setAddrStart(m_code_follower.getNaccAddr()); + setNeedAddr(true); + m_code_follower.clearNacc(); // we have generated some code for the nacc. + } + } + + atoms.clearAtom(); // next atom + } + } + while(atoms.numAtoms()); + + // is tha last element an atom? + int numElem = m_outputElemList.getNumElem(); + if(numElem >= 1) + { + // if the last thing is an instruction range, pend it - could be cancelled later. + if(m_outputElemList.getElemType(numElem-1) == OCSD_GEN_TRC_ELEM_INSTR_RANGE) + m_outputElemList.pendLastNElem(1); + } + + // finally - do we have anything to send yet? + m_curr_state = m_outputElemList.elemToSend() ? SEND_PKTS : DECODE_PKTS; + } + catch(ocsdError &err) + { + LogError(err); + m_unsync_info = UNSYNC_BAD_PACKET; + resetDecoder(); // mark decoder as unsynced - dump any current state. + } + return resp; +} + +// if v7M -> pend only ERET, if V7A/R pend ERET and prev instr. +void TrcPktDecodeEtmV3::pendExceptionReturn() +{ + int pendElem = 1; + if(m_config->getCoreProfile() != profile_CortexM) + { + int nElem = m_outputElemList.getNumElem(); + if(nElem > 1) + { + if(m_outputElemList.getElemType(nElem - 2) == OCSD_GEN_TRC_ELEM_INSTR_RANGE) + pendElem = 2; // need to pend instr+eret for A/R + } + } + m_outputElemList.pendLastNElem(pendElem); +} + +/* End of File trc_pkt_decode_etmv3.cpp */ diff --git a/decoder/source/etmv3/trc_pkt_elem_etmv3.cpp b/decoder/source/etmv3/trc_pkt_elem_etmv3.cpp new file mode 100644 index 0000000..74034c3 --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_elem_etmv3.cpp @@ -0,0 +1,688 @@ +/* + * \file trc_pkt_elem_etmv3.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <cstring> +#include <sstream> +#include <iomanip> + +#include "opencsd/etmv3/trc_pkt_elem_etmv3.h" + +EtmV3TrcPacket::EtmV3TrcPacket() +{ + m_pkt_data.addr.size = VA_32BIT; // etm v3 only handles 32 bit addresses. +} + +EtmV3TrcPacket::~EtmV3TrcPacket() +{ +} + +// update interface - set packet values + +// clear this packet info +void EtmV3TrcPacket::Clear() +{ + // clear structure flags and counter elements etc, that work per packet. + // leave intra packet data unchanged + m_pkt_data.addr.pkt_bits = 0; + m_pkt_data.prev_isa = m_pkt_data.curr_isa; // mark ISA as not changed + m_pkt_data.exception.bits.present = 0; + m_pkt_data.atom.num = 0; + m_pkt_data.cycle_count = 0; + m_pkt_data.context.updated = 0; + m_pkt_data.context.updated_c = 0; + m_pkt_data.context.updated_v = 0; + m_pkt_data.data.ooo_tag = 0; + m_pkt_data.data.value = 0; + m_pkt_data.data.update_addr = 0; + m_pkt_data.data.update_be = 0; + m_pkt_data.data.update_dval = 0; + m_pkt_data.ts_update_bits = 0; + m_pkt_data.isync_info.has_cycle_count = 0; + m_pkt_data.isync_info.has_LSipAddress = 0; + m_pkt_data.isync_info.no_address = 0; +} + +// reset all state including intra packet +void EtmV3TrcPacket::ResetState() +{ + memset(&m_pkt_data,0,sizeof(ocsd_etmv3_pkt)); + m_pkt_data.curr_isa = m_pkt_data.prev_isa = ocsd_isa_unknown; +} + +void EtmV3TrcPacket::UpdateAddress(const ocsd_vaddr_t partAddrVal, const int updateBits) +{ + ocsd_vaddr_t validMask = OCSD_VA_MASK; + validMask >>= OCSD_MAX_VA_BITSIZE-updateBits; + m_pkt_data.addr.pkt_bits = updateBits; + m_pkt_data.addr.val &= ~validMask; + m_pkt_data.addr.val |= (partAddrVal & validMask); + if(updateBits > m_pkt_data.addr.valid_bits) + m_pkt_data.addr.valid_bits = updateBits; +} + +void EtmV3TrcPacket::UpdateDataAddress(const uint32_t value, const uint8_t valid_bits) +{ + // ETMv3 data addresses 32 bits. + uint32_t validMask = 0xFFFFFFFF; + validMask >>= 32-valid_bits; + m_pkt_data.addr.pkt_bits = valid_bits; + m_pkt_data.addr.val &= ~validMask; + m_pkt_data.addr.val |= (value & validMask); + if(valid_bits > m_pkt_data.addr.valid_bits) + m_pkt_data.addr.valid_bits = valid_bits; + m_pkt_data.data.update_addr = 1; +} + +void EtmV3TrcPacket::UpdateTimestamp(const uint64_t tsVal, const uint8_t updateBits) +{ + uint64_t validMask = ~0ULL; + validMask >>= 64-updateBits; + m_pkt_data.timestamp &= ~validMask; + m_pkt_data.timestamp |= (tsVal & validMask); + m_pkt_data.ts_update_bits = updateBits; +} + + + +void EtmV3TrcPacket::SetException( const ocsd_armv7_exception type, + const uint16_t number, + const bool cancel, + const bool cm_type, + const int irq_n /*= 0*/, + const int resume /* = 0*/) +{ + // initial data + m_pkt_data.exception.bits.cancel = cancel ? 1 : 0; + m_pkt_data.exception.bits.cm_irq_n = irq_n; + m_pkt_data.exception.bits.cm_resume = resume; + m_pkt_data.exception.bits.cm_type = cm_type ? 1 : 0; + m_pkt_data.exception.number = number; + m_pkt_data.exception.type = type; + + // mark as valid in this packet + m_pkt_data.exception.bits.present = 1; +} + +bool EtmV3TrcPacket::UpdateAtomFromPHdr(const uint8_t pHdr, const bool cycleAccurate) +{ + bool bValid = true; + uint8_t E = 0, N = 0; + if(!cycleAccurate) + { + if((pHdr & 0x3) == 0x0) + { + E = ((pHdr >> 2) & 0xF); + N = (pHdr & 0x40) ? 1 : 0; + m_pkt_data.atom.num = E+N; + m_pkt_data.atom.En_bits = (((uint32_t)0x1) << E) - 1; + m_pkt_data.p_hdr_fmt = 1; + } + else if((pHdr & 0x3) == 0x2) + { + m_pkt_data.atom.num = 2; + m_pkt_data.p_hdr_fmt = 2; + m_pkt_data.atom.En_bits = (pHdr & 0x8 ? 0 : 1) | (pHdr & 0x4 ? 0 : 0x2); + } + else + bValid = false; + } + else + { + uint8_t pHdr_code = pHdr & 0xA3; + switch(pHdr_code) + { + case 0x80: + m_pkt_data.p_hdr_fmt = 1; + E = ((pHdr >> 2) & 0x7); + N = (pHdr & 0x40) ? 1 : 0; + m_pkt_data.atom.num = E+N; + if(m_pkt_data.atom.num) + { + m_pkt_data.atom.En_bits = (((uint32_t)0x1) << E) - 1; + m_pkt_data.cycle_count = E+N; + } + else + bValid = false; // deprecated 8b'10000000 code + + break; + + case 0x82: + m_pkt_data.p_hdr_fmt = 2; + if(pHdr & 0x10) + { + m_pkt_data.p_hdr_fmt = 4; + m_pkt_data.atom.num = 1; + m_pkt_data.cycle_count = 0; + m_pkt_data.atom.En_bits = pHdr & 0x04 ? 0 : 1; + } + else + { + m_pkt_data.atom.num = 2; + m_pkt_data.cycle_count = 1; + m_pkt_data.atom.En_bits = (pHdr & 0x8 ? 0 : 1) | (pHdr & 0x4 ? 0 : 0x2); + } + break; + + case 0xA0: + m_pkt_data.p_hdr_fmt = 3; + m_pkt_data.cycle_count = ((pHdr >> 2) & 7) + 1; + E = pHdr & 0x40 ? 1 : 0; + m_pkt_data.atom.num = E; + m_pkt_data.atom.En_bits = E; + break; + + default: + bValid = false; + break; + + } + } + return bValid; +} + +EtmV3TrcPacket &EtmV3TrcPacket::operator =(const ocsd_etmv3_pkt* p_pkt) +{ + m_pkt_data = *p_pkt; + return *this; +} + + // printing +void EtmV3TrcPacket::toString(std::string &str) const +{ + const char *name; + const char *desc; + std::string valStr, ctxtStr = ""; + + name = packetTypeName(m_pkt_data.type, &desc); + str = name + (std::string)" : " + desc; + + switch(m_pkt_data.type) + { + // print the original header type for the bad sequences. + case ETM3_PKT_BAD_SEQUENCE: + case ETM3_PKT_BAD_TRACEMODE: + name = packetTypeName(m_pkt_data.err_type,0); + str += "[" + (std::string)name + "]"; + break; + + case ETM3_PKT_BRANCH_ADDRESS: + getBranchAddressStr(valStr); + str += "; " + valStr; + break; + + case ETM3_PKT_I_SYNC_CYCLE: + case ETM3_PKT_I_SYNC: + getISyncStr(valStr); + str += "; " + valStr; + break; + + case ETM3_PKT_P_HDR: + getAtomStr(valStr); + str += "; " + valStr; + break; + + case ETM3_PKT_CYCLE_COUNT: + { + std::ostringstream oss; + oss << "; Cycles=" << m_pkt_data.cycle_count; + str += oss.str(); + } + break; + + case ETM3_PKT_CONTEXT_ID: + { + std::ostringstream oss; + oss << "; CtxtID=" << std::hex << "0x" << m_pkt_data.context.ctxtID; + str += oss.str(); + } + break; + + case ETM3_PKT_VMID: + { + std::ostringstream oss; + oss << "; VMID=" << std::hex << "0x" << m_pkt_data.context.VMID; + str += oss.str(); + } + break; + + case ETM3_PKT_TIMESTAMP: + { + std::ostringstream oss; + oss << "; TS=" << std::hex << "0x" << m_pkt_data.timestamp << " (" << std::dec << m_pkt_data.timestamp << ") "; + str += oss.str(); + } + break; + + case ETM3_PKT_OOO_DATA: + { + std::ostringstream oss; + oss << "; Val=" << std::hex << "0x" << m_pkt_data.data.value; + oss << "; OO_Tag=" << std::hex << "0x" << m_pkt_data.data.ooo_tag; + str += oss.str(); + } + break; + + case ETM3_PKT_VAL_NOT_TRACED: + if(m_pkt_data.data.update_addr) + { + trcPrintableElem::getValStr(valStr,32, m_pkt_data.data.addr.valid_bits, + m_pkt_data.data.addr.val,true,m_pkt_data.data.addr.pkt_bits); + str += "; Addr=" + valStr; + } + break; + + case ETM3_PKT_OOO_ADDR_PLC: + if(m_pkt_data.data.update_addr) + { + trcPrintableElem::getValStr(valStr,32, m_pkt_data.data.addr.valid_bits, + m_pkt_data.data.addr.val,true,m_pkt_data.data.addr.pkt_bits); + str += "; Addr=" + valStr; + } + { + std::ostringstream oss; + oss << "; OO_Tag=" << std::hex << "0x" << m_pkt_data.data.ooo_tag; + str += oss.str(); + } + break; + + case ETM3_PKT_NORM_DATA: + if(m_pkt_data.data.update_addr) + { + trcPrintableElem::getValStr(valStr,32, m_pkt_data.data.addr.valid_bits, + m_pkt_data.data.addr.val,true,m_pkt_data.data.addr.pkt_bits); + str += "; Addr=" + valStr; + } + if(m_pkt_data.data.update_dval) + { + std::ostringstream oss; + oss << "; Val=" << std::hex << "0x" << m_pkt_data.data.value; + str += oss.str(); + } + break; + } +} + +void EtmV3TrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const +{ + // no formatting implemented at present. + toString(str); +} + +const char *EtmV3TrcPacket::packetTypeName(const ocsd_etmv3_pkt_type type, const char **ppDesc) const +{ + const char *pName = "I_RESERVED"; + const char *pDesc = "Reserved Packet Header"; + + switch(type) + { +// markers for unknown packets + // case ETM3_PKT_NOERROR:, //!< no error in packet - supplimentary data. + case ETM3_PKT_NOTSYNC: //!< no sync found yet + pName = "NOTSYNC"; + pDesc = "Trace Stream not synchronised"; + break; + + case ETM3_PKT_INCOMPLETE_EOT: //!< flushing incomplete/empty packet at end of trace. + pName = "INCOMPLETE_EOT."; + pDesc = "Incomplete packet at end of trace data."; + break; + +// markers for valid packets + case ETM3_PKT_BRANCH_ADDRESS: + pName = "BRANCH_ADDRESS"; + pDesc = "Branch address."; + break; + + case ETM3_PKT_A_SYNC: + pName = "A_SYNC"; + pDesc = "Alignment Synchronisation."; + break; + + case ETM3_PKT_CYCLE_COUNT: + pName = "CYCLE_COUNT"; + pDesc = "Cycle Count."; + break; + + case ETM3_PKT_I_SYNC: + pName = "I_SYNC"; + pDesc = "Instruction Packet synchronisation."; + break; + + case ETM3_PKT_I_SYNC_CYCLE: + pName = "I_SYNC_CYCLE"; + pDesc = "Instruction Packet synchronisation with cycle count."; + break; + + case ETM3_PKT_TRIGGER: + pName = "TRIGGER"; + pDesc = "Trace Trigger Event."; + break; + + case ETM3_PKT_P_HDR: + pName = "P_HDR"; + pDesc = "Atom P-header."; + break; + + case ETM3_PKT_STORE_FAIL: + pName = "STORE_FAIL"; + pDesc = "Data Store Failed."; + break; + + case ETM3_PKT_OOO_DATA: + pName = "OOO_DATA"; + pDesc = "Out of Order data value packet."; + break; + + case ETM3_PKT_OOO_ADDR_PLC: + pName = "OOO_ADDR_PLC"; + pDesc = "Out of Order data address placeholder."; + break; + + case ETM3_PKT_NORM_DATA: + pName = "NORM_DATA"; + pDesc = "Data trace packet."; + break; + + case ETM3_PKT_DATA_SUPPRESSED: + pName = "DATA_SUPPRESSED"; + pDesc = "Data trace suppressed."; + break; + + case ETM3_PKT_VAL_NOT_TRACED: + pName = "VAL_NOT_TRACED"; + pDesc = "Data trace value not traced."; + break; + + case ETM3_PKT_IGNORE: + pName = "IGNORE"; + pDesc = "Packet ignored."; + break; + + case ETM3_PKT_CONTEXT_ID: + pName = "CONTEXT_ID"; + pDesc = "Context ID change."; + break; + + case ETM3_PKT_VMID: + pName = "VMID"; + pDesc = "VMID change."; + break; + + case ETM3_PKT_EXCEPTION_ENTRY: + pName = "EXCEPTION_ENTRY"; + pDesc = "Exception entry data marker."; + break; + + case ETM3_PKT_EXCEPTION_EXIT: + pName = "EXCEPTION_EXIT"; + pDesc = "Exception return."; + break; + + case ETM3_PKT_TIMESTAMP: + pName = "TIMESTAMP"; + pDesc = "Timestamp Value."; + break; + +// internal processing types + // case ETM3_PKT_BRANCH_OR_BYPASS_EOT: not externalised + +// packet errors + case ETM3_PKT_BAD_SEQUENCE: + pName = "BAD_SEQUENCE"; + pDesc = "Invalid sequence for packet type."; + break; + + case ETM3_PKT_BAD_TRACEMODE: + pName = "BAD_TRACEMODE"; + pDesc = "Invalid packet type for this trace mode."; + break; + + // leave thest unchanged. + case ETM3_PKT_RESERVED: + default: + break; + + } + + if(ppDesc) *ppDesc = pDesc; + return pName; +} + +void EtmV3TrcPacket::getBranchAddressStr(std::string &valStr) const +{ + std::ostringstream oss; + std::string subStr; + + // print address. + trcPrintableElem::getValStr(subStr,32,m_pkt_data.addr.valid_bits, + m_pkt_data.addr.val,true,m_pkt_data.addr.pkt_bits); + oss << "Addr=" << subStr << "; "; + + // current ISA if changed. + if(m_pkt_data.curr_isa != m_pkt_data.prev_isa) + { + getISAStr(subStr); + oss << subStr; + } + + // S / NS etc if changed. + if(m_pkt_data.context.updated) + { + oss << (m_pkt_data.context.curr_NS ? "NS; " : "S; "); + oss << (m_pkt_data.context.curr_Hyp ? "Hyp; " : ""); + } + + // exception? + if(m_pkt_data.exception.bits.present) + { + getExcepStr(subStr); + oss << subStr; + } + valStr = oss.str(); +} + +void EtmV3TrcPacket::getAtomStr(std::string &valStr) const +{ + std::ostringstream oss; + uint32_t bitpattern = m_pkt_data.atom.En_bits; // arranged LSBit oldest, MSbit newest + + if(!m_pkt_data.cycle_count) + { + for(int i = 0; i < m_pkt_data.atom.num; i++) + { + oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest + bitpattern >>= 1; + } + } + else + { + switch(m_pkt_data.p_hdr_fmt) + { + case 1: + for(int i = 0; i < m_pkt_data.atom.num; i++) + { + oss << ((bitpattern & 0x1) ? "WE" : "WN"); // in spec read L->R, oldest->newest + bitpattern >>= 1; + } + break; + + case 2: + oss << "W"; + for(int i = 0; i < m_pkt_data.atom.num; i++) + { + oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest + bitpattern >>= 1; + } + break; + + case 3: + for(uint32_t i = 0; i < m_pkt_data.cycle_count; i++) + oss << "W"; + if(m_pkt_data.atom.num) + oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest + break; + } + oss << "; Cycles=" << m_pkt_data.cycle_count; + } + valStr = oss.str(); +} + +void EtmV3TrcPacket::getISyncStr(std::string &valStr) const +{ + std::ostringstream oss; + static const char *reason[] = { "Periodic", "Trace Enable", "Restart Overflow", "Debug Exit" }; + + // reason. + oss << "(" << reason[(int)m_pkt_data.isync_info.reason] << "); "; + + // full address. + if(!m_pkt_data.isync_info.no_address) + { + if(m_pkt_data.isync_info.has_LSipAddress) + oss << "Data Instr Addr=0x"; + else + oss << "Addr=0x"; + oss << std::hex << std::setfill('0') << std::setw(8) << m_pkt_data.addr.val << "; "; + } + + oss << (m_pkt_data.context.curr_NS ? "NS; " : "S; "); + oss << (m_pkt_data.context.curr_Hyp ? "Hyp; " : " "); + + if(m_pkt_data.context.updated_c) + { + oss << "CtxtID=" << std::hex << m_pkt_data.context.ctxtID << "; "; + } + + if(m_pkt_data.isync_info.no_address) + { + valStr = oss.str(); + return; // bail out at this point if a data only ISYNC + } + + std::string isaStr; + getISAStr(isaStr); + oss << isaStr; + + if(m_pkt_data.isync_info.has_cycle_count) + { + oss << "Cycles=" << std::dec << m_pkt_data.cycle_count << "; "; + } + + if(m_pkt_data.isync_info.has_LSipAddress) + { + std::string addrStr; + + // extract address updata. + trcPrintableElem::getValStr(addrStr,32,m_pkt_data.data.addr.valid_bits, + m_pkt_data.data.addr.val,true,m_pkt_data.data.addr.pkt_bits); + oss << "Curr Instr Addr=" << addrStr << ";"; + } + valStr = oss.str(); +} + +void EtmV3TrcPacket::getISAStr(std::string &isaStr) const +{ + std::ostringstream oss; + oss << "ISA="; + switch(m_pkt_data.curr_isa) + { + case ocsd_isa_arm: + oss << "ARM(32); "; + break; + + case ocsd_isa_thumb2: + oss << "Thumb2; "; + break; + + case ocsd_isa_aarch64: + oss << "AArch64; "; + break; + + case ocsd_isa_tee: + oss << "ThumbEE; "; + break; + + case ocsd_isa_jazelle: + oss << "Jazelle; "; + break; + + default: + case ocsd_isa_unknown: + oss << "Unknown; "; + break; + } + isaStr = oss.str(); +} + +void EtmV3TrcPacket::getExcepStr(std::string &excepStr) const +{ + static const char *ARv7Excep[] = { + "No Exception", "Debug Halt", "SMC", "Hyp", + "Async Data Abort", "Jazelle", "Reserved", "Reserved", + "PE Reset", "Undefined Instr", "SVC", "Prefetch Abort", + "Data Fault", "Generic", "IRQ", "FIQ" + }; + + static const char *MExcep[] = { + "No Exception", "IRQ1", "IRQ2", "IRQ3", + "IRQ4", "IRQ5", "IRQ6", "IRQ7", + "IRQ0","usage Fault","NMI","SVC", + "DebugMonitor", "Mem Manage","PendSV","SysTick", + "Reserved","PE Reset","Reserved","HardFault", + "Reserved","BusFault","Reserved","Reserved" + }; + + std::ostringstream oss; + oss << "Exception="; + + if(m_pkt_data.exception.bits.cm_type) + { + if(m_pkt_data.exception.number < 0x18) + oss << MExcep[m_pkt_data.exception.number]; + else + oss << "IRQ" << std::dec << (m_pkt_data.exception.number - 0x10); + if(m_pkt_data.exception.bits.cm_resume) + oss << "; Resume=" << m_pkt_data.exception.bits.cm_resume; + if(m_pkt_data.exception.bits.cancel) + oss << "; Cancel prev instr"; + } + else + { + oss << ARv7Excep[m_pkt_data.exception.number] << "; "; + if(m_pkt_data.exception.bits.cancel) + oss << "; Cancel prev instr"; + } + excepStr = oss.str(); +} +/* End of File trc_pkt_elem_etmv3.cpp */ diff --git a/decoder/source/etmv3/trc_pkt_proc_etmv3.cpp b/decoder/source/etmv3/trc_pkt_proc_etmv3.cpp new file mode 100644 index 0000000..7871619 --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_proc_etmv3.cpp @@ -0,0 +1,122 @@ +/* + * \file trc_pkt_proc_etmv3.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv3/trc_pkt_proc_etmv3.h" +#include "trc_pkt_proc_etmv3_impl.h" +#include "common/ocsd_error.h" + +#ifdef __GNUC__ +// G++ doesn't like the ## pasting +#define ETMV3_PKTS_NAME "PKTP_ETMV3" +#else +#define ETMV3_PKTS_NAME OCSD_CMPNAME_PREFIX_PKTPROC##"_"##OCSD_BUILTIN_DCD_ETMV3 +#endif + +static const uint32_t ETMV3_SUPPORTED_OP_FLAGS = OCSD_OPFLG_PKTPROC_COMMON | + ETMV3_OPFLG_UNFORMATTED_SOURCE; + +TrcPktProcEtmV3::TrcPktProcEtmV3() : TrcPktProcBase(ETMV3_PKTS_NAME), + m_pProcessor(0) +{ + m_supported_op_flags = ETMV3_SUPPORTED_OP_FLAGS; +} + +TrcPktProcEtmV3::TrcPktProcEtmV3(int instIDNum) : TrcPktProcBase(ETMV3_PKTS_NAME, instIDNum), + m_pProcessor(0) +{ + m_supported_op_flags = ETMV3_SUPPORTED_OP_FLAGS; +} + +TrcPktProcEtmV3::~TrcPktProcEtmV3() +{ + if(m_pProcessor) + delete m_pProcessor; + m_pProcessor = 0; +} + +ocsd_err_t TrcPktProcEtmV3::onProtocolConfig() +{ + if(m_pProcessor == 0) + { + m_pProcessor = new (std::nothrow) EtmV3PktProcImpl(); + if(m_pProcessor == 0) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_MEM)); + return OCSD_ERR_MEM; + } + m_pProcessor->Initialise(this); + } + return m_pProcessor->Configure(m_config); +} + +ocsd_datapath_resp_t TrcPktProcEtmV3::processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + if(m_pProcessor) + return m_pProcessor->processData(index,dataBlockSize,pDataBlock,numBytesProcessed); + return OCSD_RESP_FATAL_NOT_INIT; +} + +ocsd_datapath_resp_t TrcPktProcEtmV3::onEOT() +{ + if(m_pProcessor) + return m_pProcessor->onEOT(); + return OCSD_RESP_FATAL_NOT_INIT; +} + +ocsd_datapath_resp_t TrcPktProcEtmV3::onReset() +{ + if(m_pProcessor) + return m_pProcessor->onReset(); + return OCSD_RESP_FATAL_NOT_INIT; +} + +ocsd_datapath_resp_t TrcPktProcEtmV3::onFlush() +{ + if(m_pProcessor) + return m_pProcessor->onFlush(); + return OCSD_RESP_FATAL_NOT_INIT; +} + +const bool TrcPktProcEtmV3::isBadPacket() const +{ + if(m_pProcessor) + return m_pProcessor->isBadPacket(); + return false; +} + +/* End of File trc_pkt_proc_etmv3.cpp */ diff --git a/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.cpp b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.cpp new file mode 100644 index 0000000..fc39a5e --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.cpp @@ -0,0 +1,1224 @@ +/* + * \file trc_pkt_proc_etmv3_impl.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "trc_pkt_proc_etmv3_impl.h" + +EtmV3PktProcImpl::EtmV3PktProcImpl() : + m_isInit(false), + m_interface(0) +{ +} + +EtmV3PktProcImpl::~EtmV3PktProcImpl() +{ +} + +ocsd_err_t EtmV3PktProcImpl::Configure(const EtmV3Config *p_config) +{ + ocsd_err_t err = OCSD_OK; + if(p_config != 0) + { + m_config = *p_config; + m_chanIDCopy = m_config.getTraceID(); + } + else + { + err = OCSD_ERR_INVALID_PARAM_VAL; + if(m_isInit) + m_interface->LogError(ocsdError(OCSD_ERR_SEV_ERROR,err)); + } + return err; +} + +ocsd_datapath_resp_t EtmV3PktProcImpl::processData(const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_bytesProcessed = 0; + + while( ( (m_bytesProcessed < dataBlockSize) || + ((m_bytesProcessed == dataBlockSize) && (m_process_state == SEND_PKT)) ) + && OCSD_DATA_RESP_IS_CONT(resp)) + { + try + { + switch(m_process_state) + { + case WAIT_SYNC: + if(!m_bStartOfSync) + m_packet_index = index + m_bytesProcessed; + m_bytesProcessed += waitForSync(dataBlockSize-m_bytesProcessed,pDataBlock+m_bytesProcessed); + break; + + case PROC_HDR: + m_packet_index = index + m_bytesProcessed; + processHeaderByte(pDataBlock[m_bytesProcessed++]); + break; + + case PROC_DATA: + processPayloadByte(pDataBlock [m_bytesProcessed++]); + break; + + case SEND_PKT: + resp = outputPacket(); + break; + } + } + catch(ocsdError &err) + { + m_interface->LogError(err); + if( (err.getErrorCode() == OCSD_ERR_BAD_PACKET_SEQ) || + (err.getErrorCode() == OCSD_ERR_INVALID_PCKT_HDR)) + { + // send invalid packets up the pipe to let the next stage decide what to do. + m_process_state = SEND_PKT; + } + else + { + // bail out on any other error. + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + } + catch(...) + { + /// vv bad at this point. + resp = OCSD_RESP_FATAL_SYS_ERR; + ocsdError fatal = ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_packet_index,m_chanIDCopy); + fatal.setMessage("Unknown System Error decoding trace."); + m_interface->LogError(fatal); + } + } + + *numBytesProcessed = m_bytesProcessed; + return resp; +} + +ocsd_datapath_resp_t EtmV3PktProcImpl::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + // if we have a partial packet then send to attached sinks + if(m_currPacketData.size() != 0) + { + // TBD: m_curr_packet.updateErrType(ETM4_ETM3_PKT_I_INCOMPLETE_EOT); + resp = outputPacket(); + InitPacketState(); + } + return resp; +} + +ocsd_datapath_resp_t EtmV3PktProcImpl::onReset() +{ + InitProcessorState(); + return OCSD_RESP_CONT; +} + +ocsd_datapath_resp_t EtmV3PktProcImpl::onFlush() +{ + // packet processor never holds on to flushable data (may have partial packet, + // but any full packets are immediately sent) + return OCSD_RESP_CONT; +} + +void EtmV3PktProcImpl::Initialise(TrcPktProcEtmV3 *p_interface) +{ + if(p_interface) + { + m_interface = p_interface; + m_isInit = true; + + } + InitProcessorState(); + /* not using pattern matcher for sync at present + static const uint8_t a_sync[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }; + m_syncMatch.setPattern(a_sync, sizeof(a_sync));*/ +} + +void EtmV3PktProcImpl::InitProcessorState() +{ + m_bStreamSync = false; // not synced + m_process_state = WAIT_SYNC; // waiting for sync + m_bStartOfSync = false; // not seen start of sync packet + m_curr_packet.ResetState(); // reset intra packet state + InitPacketState(); // set curr packet state + m_bSendPartPkt = false; +} + +void EtmV3PktProcImpl::InitPacketState() +{ + m_bytesExpectedThisPkt = 0; + m_BranchPktNeedsException = false; + m_bIsync_got_cycle_cnt = false; + m_bIsync_get_LSiP_addr = false; + m_IsyncInfoIdx = false; + m_bExpectingDataAddress = false; + m_bFoundDataAddress = false; + m_currPacketData.clear(); + m_currPktIdx = 0; // index into processed bytes in current packet + m_curr_packet.Clear(); + +} + +ocsd_datapath_resp_t EtmV3PktProcImpl::outputPacket() +{ + ocsd_datapath_resp_t dp_resp = OCSD_RESP_FATAL_NOT_INIT; + if(m_isInit) + { + ocsd_etmv3_pkt_type type = m_curr_packet.getType(); + if(!m_bSendPartPkt) + { + dp_resp = m_interface->outputOnAllInterfaces(m_packet_index,&m_curr_packet,&type,m_currPacketData); + m_process_state = m_bStreamSync ? PROC_HDR : WAIT_SYNC; // need a header next time, or still waiting to sync. + m_currPacketData.clear(); + } + else + { + // sending part packet, still some data in the main packet + dp_resp = m_interface->outputOnAllInterfaces(m_packet_index,&m_curr_packet,&type,m_partPktData); + m_process_state = m_post_part_pkt_state; + m_packet_index += m_partPktData.size(); + m_bSendPartPkt = false; + m_curr_packet.SetType(m_post_part_pkt_type); + } + } + return dp_resp; +} + +void EtmV3PktProcImpl::setBytesPartPkt(int numBytes, process_state nextState, const ocsd_etmv3_pkt_type nextType) +{ + m_partPktData.clear(); + for(int i=0; i < numBytes; i++) + { + m_partPktData.push_back(m_currPacketData[i]); + } + m_currPacketData.erase(m_currPacketData.begin(), m_currPacketData.begin()+numBytes); + m_bSendPartPkt = true; + m_post_part_pkt_state = nextState; + m_post_part_pkt_type = nextType; +} + +uint32_t EtmV3PktProcImpl::waitForSync(const uint32_t dataBlockSize, const uint8_t *pDataBlock) +{ + uint8_t currByte; + uint32_t bytesProcessed = 0; + bool bSendBlock = false; + + // need to wait for the first sync packet + while(!bSendBlock && (bytesProcessed < dataBlockSize)) + { + currByte = pDataBlock[bytesProcessed++]; + // TBD: forced sync point + + if(m_bStartOfSync) + { + // need to handle consecutive 0 bytes followed by genuine A-SYNC. + + m_currPacketData.push_back(currByte); + if((currByte == 0x80) && (m_currPacketData.size() >= 6)) + { + // it is a sync packet possibly with leading zeros + bSendBlock = true; + if(m_currPacketData.size() > 6) + { + m_currPacketData.pop_back(); + bytesProcessed--; // return 0x80 to the input buffer to re-process next pass after stripping 0's + setBytesPartPkt(m_currPacketData.size()-5,WAIT_SYNC,ETM3_PKT_NOTSYNC); + } + else + { + m_bStreamSync = true; + m_curr_packet.SetType(ETM3_PKT_A_SYNC); + } + } + else if(currByte != 0x00) + { + m_bStartOfSync = false; // not a sync packet + } + else if(m_currPacketData.size() >= 13) // 13 0's, strip 8 of them... + { + setBytesPartPkt(8,WAIT_SYNC,ETM3_PKT_NOTSYNC); + bSendBlock = true; + } + } + else // not seen a start of sync candidate yet + { + if(currByte == 0x00) // could be the start of a-sync + { + if(m_currPacketData.size() == 0) + { + m_currPacketData.push_back(currByte); + m_bStartOfSync = true; + } + else + { + bytesProcessed--; + bSendBlock = true; // send none sync packet data, re-process this byte next time. + m_curr_packet.SetType(ETM3_PKT_NOTSYNC); // send unsynced data packet. + } + } + else + { + //save a byte - not start of a-sync + m_currPacketData.push_back(currByte); + + // done all data in this block, or got 16 unsynced bytes + if((bytesProcessed == dataBlockSize) || (m_currPacketData.size() == 16)) + { + bSendBlock = true; // send none sync packet block + m_curr_packet.SetType(ETM3_PKT_NOTSYNC); // send unsynced data packet. + } + } + } + } + if(bSendBlock) + SendPacket(); + return bytesProcessed; +} + +ocsd_err_t EtmV3PktProcImpl::processHeaderByte(uint8_t by) +{ + InitPacketState(); // new packet, clear old single packet state (retains intra packet state). + + // save byte + m_currPacketData.push_back(by); + + m_process_state = PROC_DATA; // assume next is data packet + + // check for branch address 0bCxxxxxxx1 + if((by & 0x01) == 0x01 ) { + m_curr_packet.SetType(ETM3_PKT_BRANCH_ADDRESS); + m_BranchPktNeedsException = false; + if((by & 0x80) != 0x80) { + // no continuation - 1 byte branch same in alt and std... + if((by == 0x01) && (m_interface->getComponentOpMode() & ETMV3_OPFLG_UNFORMATTED_SOURCE)) + { + // TBD: need to fix up for handling bypassed ETM stream at some point. + throwUnsupportedErr("Bypassed ETM stream not supported in this version of the decoder."); + // could be EOTrace marker from bypassed formatter + m_curr_packet.SetType(ETM3_PKT_BRANCH_OR_BYPASS_EOT); + } + else + { + OnBranchAddress(); + SendPacket(); // mark ready to send. + } + } + } + // check for p-header - 0b1xxxxxx0 + else if((by & 0x81) == 0x80) { + m_curr_packet.SetType(ETM3_PKT_P_HDR); + if(m_curr_packet.UpdateAtomFromPHdr(by,m_config.isCycleAcc())) + SendPacket(); + else + throwPacketHeaderErr("Invalid P-Header."); + } + // check 0b0000xx00 group + else if((by & 0xF3) == 0x00) { + + // A-Sync + if(by == 0x00) { + m_curr_packet.SetType(ETM3_PKT_A_SYNC); + } + // cycle count + else if(by == 0x04) { + m_curr_packet.SetType(ETM3_PKT_CYCLE_COUNT); + } + // I-Sync + else if(by == 0x08) { + m_curr_packet.SetType(ETM3_PKT_I_SYNC); + m_bIsync_got_cycle_cnt = false; + m_bIsync_get_LSiP_addr = false; + } + // trigger + else if(by == 0x0C) { + m_curr_packet.SetType(ETM3_PKT_TRIGGER); + // no payload - just send it. + SendPacket(); + } + } + // check remaining 0bxxxxxx00 codes + else if((by & 0x03 )== 0x00) { + // OoO data 0b0xx0xx00 + if((by & 0x93 )== 0x00) { + if(!m_config.isDataValTrace()) { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (out of order data) - not tracing data values."); + } + m_curr_packet.SetType(ETM3_PKT_OOO_DATA); + uint8_t size = ((by & 0x0C) >> 2); + // header contains a count of the data to follow + // size 3 == 4 bytes, other sizes == size bytes + if(size == 0) + { + m_curr_packet.SetDataOOOTag((by >> 5) & 0x3); + m_curr_packet.SetDataValue(0); + SendPacket(); + } + else + m_bytesExpectedThisPkt = (short)(1 + ((size == 3) ? 4 : size)); + } + // I-Sync + cycle count + else if(by == 0x70) { + m_curr_packet.SetType(ETM3_PKT_I_SYNC_CYCLE); + m_bIsync_got_cycle_cnt = false; + m_bIsync_get_LSiP_addr = false; + } + // store failed + else if(by == 0x50) { + if(!m_config.isDataValTrace()) + { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (store failed) - not tracing data values."); + } + m_curr_packet.SetType(ETM3_PKT_STORE_FAIL); + SendPacket(); + } + // OoO placeholder 0b01x1xx00 + else if((by & 0xD3 )== 0x50) { + m_curr_packet.SetType(ETM3_PKT_OOO_ADDR_PLC); + if(!m_config.isDataTrace()) + { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (out of order placeholder) - not tracing data."); + } + // expecting data address if flagged and address tracing enabled (flag can be set even if address tracing disabled) + m_bExpectingDataAddress = ((by & DATA_ADDR_EXPECTED_FLAG) == DATA_ADDR_EXPECTED_FLAG) && m_config.isDataAddrTrace(); + m_bFoundDataAddress = false; + m_curr_packet.SetDataOOOTag((by >> 2) & 0x3); + if(!m_bExpectingDataAddress) { + SendPacket(); + } + } + // vmid 0b00111100 + else if(by == 0x3c) { + m_curr_packet.SetType(ETM3_PKT_VMID); + } + else + { + m_curr_packet.SetErrType(ETM3_PKT_RESERVED); + throwPacketHeaderErr("Packet header reserved encoding"); + } + } + // normal data 0b00x0xx10 + else if((by & 0xD3 )== 0x02) { + uint8_t size = ((by & 0x0C) >> 2); + if(!m_config.isDataTrace()) { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (normal data) - not tracing data."); + } + m_curr_packet.SetType(ETM3_PKT_NORM_DATA); + m_bExpectingDataAddress = ((by & DATA_ADDR_EXPECTED_FLAG) == DATA_ADDR_EXPECTED_FLAG) && m_config.isDataAddrTrace(); + m_bFoundDataAddress = false; + + // set this with the data bytes expected this packet, plus the header byte. + m_bytesExpectedThisPkt = (short)( 1 + ((size == 3) ? 4 : size)); + if(!m_bExpectingDataAddress && (m_bytesExpectedThisPkt == 1)) { + // single byte data packet, value = 0; + m_curr_packet.SetDataValue(0); + SendPacket(); + } + + } + // data suppressed 0b01100010 + else if(by == 0x62) { + if(!m_config.isDataTrace()) + { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (data suppressed) - not tracing data."); + } + m_curr_packet.SetType(ETM3_PKT_DATA_SUPPRESSED); + SendPacket(); + } + // value not traced 0b011x1010 + else if((by & 0xEF )== 0x6A) { + if(!m_config.isDataTrace()) { + m_curr_packet.SetErrType(ETM3_PKT_BAD_TRACEMODE); + throwPacketHeaderErr("Invalid data trace header (value not traced) - not tracing data."); + } + m_curr_packet.SetType(ETM3_PKT_VAL_NOT_TRACED); + m_bExpectingDataAddress = ((by & DATA_ADDR_EXPECTED_FLAG) == DATA_ADDR_EXPECTED_FLAG) && m_config.isDataAddrTrace(); + m_bFoundDataAddress = false; + if(!m_bExpectingDataAddress) { + SendPacket(); + } + } + // ignore 0b01100110 + else if(by == 0x66) { + m_curr_packet.SetType(ETM3_PKT_IGNORE); + SendPacket(); + } + // context ID 0b01101110 + else if(by == 0x6E) { + m_curr_packet.SetType(ETM3_PKT_CONTEXT_ID); + m_bytesExpectedThisPkt = (short)(1 + m_config.CtxtIDBytes()); + } + // exception return 0b01110110 + else if(by == 0x76) { + m_curr_packet.SetType(ETM3_PKT_EXCEPTION_EXIT); + SendPacket(); + } + // exception entry 0b01111110 + else if(by == 0x7E) { + m_curr_packet.SetType(ETM3_PKT_EXCEPTION_ENTRY); + SendPacket(); + } + // timestamp packet 0b01000x10 + else if((by & 0xFB )== 0x42) + { + m_curr_packet.SetType(ETM3_PKT_TIMESTAMP); + } + else + { + m_curr_packet.SetErrType(ETM3_PKT_RESERVED); + throwPacketHeaderErr("Packet header reserved encoding."); + } + return OCSD_OK; +} + +ocsd_err_t EtmV3PktProcImpl::processPayloadByte(uint8_t by) +{ + bool bTopBitSet = false; + bool packetDone = false; + + // pop byte into buffer + m_currPacketData.push_back(by); + + switch(m_curr_packet.getType()) { + default: + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_PKT_INTERP_FAIL,m_packet_index,m_chanIDCopy,"Interpreter failed - cannot process payload for unexpected or unsupported packet."); + break; + + case ETM3_PKT_BRANCH_ADDRESS: + bTopBitSet = (bool)((by & 0x80) == 0x80); + if(m_config.isAltBranch()) // etm implements the alternative branch encoding + { + if(!bTopBitSet) // no continuation + { + if(!m_BranchPktNeedsException) + { + if((by & 0xC0) == 0x40) + m_BranchPktNeedsException = true; + else + packetDone = true; + } + else + packetDone = true; + } + } + else + { + // standard encoding < 5 bytes cannot be exception branch + // 5 byte packet + if(m_currPacketData.size() == 5) { + if((by & 0xC0) == 0x40) + // expecting follow up byte(s) + m_BranchPktNeedsException = true; + else + packetDone = true; + } + // waiting for exception packet + else if(m_BranchPktNeedsException){ + if(!bTopBitSet) + packetDone = true; + } + else { + // not exception - end of packets + if(!bTopBitSet) + packetDone = true; + } + } + + if(packetDone) + { + OnBranchAddress(); + SendPacket(); + } + break; + + case ETM3_PKT_BRANCH_OR_BYPASS_EOT: + /* + if((by != 0x00) || ( m_currPacketData.size() == ETM3_PKT_BUFF_SIZE)) { + if(by == 0x80 && ( m_currPacketData.size() == 7)) { + // branch 0 followed by A-sync! + m_currPacketData.size() = 1; + m_curr_packet.SetType(ETM3_PKT_BRANCH_ADDRESS; + SendPacket(); + memcpy(m_currPacketData, &m_currPacketData[1],6); + m_currPacketData.size() = 6; + m_curr_packet.SetType(ETM3_PKT_A_SYNC; + SendPacket(); + } + else if( m_currPacketData.size() == 2) { + // branch followed by another byte + m_currPacketData.size() = 1; + m_curr_packet.SetType(ETM3_PKT_BRANCH_ADDRESS; + SendPacket(); + ProcessHeaderByte(by); + } + else if(by == 0x00) { + // end of buffer...output something - incomplete / unknown. + SendPacket(); + } + else if(by == 0x01) { + // 0x01 - 0x00 x N - 0x1 + // end of buffer...output something + m_currPacketData.size()--; + SendPacket(); + ProcessHeaderByte(by); + } + else { + // branch followed by unknown sequence + int oldidx = m_currPacketData.size(); + m_currPacketData.size() = 1; + m_curr_packet.SetType(ETM3_PKT_BRANCH_ADDRESS; + SendPacket(); + oldidx--; + memcpy(m_currPacketData, &m_currPacketData[1],oldidx); + m_currPacketData.size() = oldidx; + SendBadPacket("ERROR : unknown sequence"); + } + }*/ + // just ignore zeros + break; + + + + case ETM3_PKT_A_SYNC: + if(by == 0x00) { + if( m_currPacketData.size() > 5) { + // extra 0, need to lose one + + // set error type + m_curr_packet.SetErrType(ETM3_PKT_BAD_SEQUENCE); + // mark extra 0 for sending, retain remaining, restart in A-SYNC processing mode. + setBytesPartPkt(1,PROC_DATA,ETM3_PKT_A_SYNC); + throwMalformedPacketErr("A-Sync ?: Extra 0x00 in sequence"); + } + } + else if((by == 0x80) && ( m_currPacketData.size() == 6)) { + SendPacket(); + m_bStreamSync = true; + } + else + { + m_curr_packet.SetErrType(ETM3_PKT_BAD_SEQUENCE); + m_bytesProcessed--; // remove the last byte from the number processed to re-try + m_currPacketData.pop_back(); // remove the last byte processed from the packet + throwMalformedPacketErr("A-Sync ? : Unexpected byte in sequence"); + } + break; + + case ETM3_PKT_CYCLE_COUNT: + bTopBitSet = ((by & 0x80) == 0x80); + if(!bTopBitSet || ( m_currPacketData.size() >= 6)) { + m_currPktIdx = 1; + m_curr_packet.SetCycleCount(extractCycleCount()); + SendPacket(); + } + break; + + case ETM3_PKT_I_SYNC_CYCLE: + if(!m_bIsync_got_cycle_cnt) { + if(((by & 0x80) != 0x80) || ( m_currPacketData.size() >= 6)) { + m_bIsync_got_cycle_cnt = true; + } + break; + } + // fall through when we have the first non-cycle count byte + case ETM3_PKT_I_SYNC: + if(m_bytesExpectedThisPkt == 0) { + int cycCountBytes = m_currPacketData.size() - 2; + int ctxtIDBytes = m_config.CtxtIDBytes(); + // bytes expected = header + n x ctxt id + info byte + 4 x addr; + if(m_config.isInstrTrace()) + m_bytesExpectedThisPkt = cycCountBytes + 6 + ctxtIDBytes; + else + m_bytesExpectedThisPkt = 2 + ctxtIDBytes; + m_IsyncInfoIdx = 1 + cycCountBytes + ctxtIDBytes; + } + if(( m_currPacketData.size() - 1) == (unsigned)m_IsyncInfoIdx) { + m_bIsync_get_LSiP_addr = ((m_currPacketData[m_IsyncInfoIdx] & 0x80) == 0x80); + } + + // if bytes collected >= bytes expected + if( m_currPacketData.size() >= m_bytesExpectedThisPkt) { + // if we still need the LSip Addr, then this is not part of the expected + // count as we have no idea how long it is + if(m_bIsync_get_LSiP_addr) { + if((by & 0x80) != 0x80) { + OnISyncPacket(); + } + } + else { + // otherwise, output now + OnISyncPacket(); + } + } + break; + + case ETM3_PKT_NORM_DATA: + if(m_bExpectingDataAddress && !m_bFoundDataAddress) { + // look for end of continuation bits + if((by & 0x80) != 0x80) { + m_bFoundDataAddress = true; + // add on the bytes we have found for the address to the expected data bytes + m_bytesExpectedThisPkt += ( m_currPacketData.size() - 1); + } + else + break; + } + // found any data address we were expecting + else if(m_bytesExpectedThisPkt == m_currPacketData.size()) { + m_currPktIdx = 1; + if(m_bExpectingDataAddress) + { + uint8_t bits = 0, beVal = 0; + bool updateBE = false; + uint32_t dataAddress = extractDataAddress(bits,updateBE,beVal); + m_curr_packet.UpdateDataAddress(dataAddress, bits); + if(updateBE) + m_curr_packet.UpdateDataEndian(beVal); + } + m_curr_packet.SetDataValue(extractDataValue((m_currPacketData[0] >> 2) & 0x3)); + SendPacket(); + } + break; + + case ETM3_PKT_OOO_DATA: + if(m_bytesExpectedThisPkt == m_currPacketData.size()) + { + m_currPktIdx = 1; + m_curr_packet.SetDataValue(extractDataValue((m_currPacketData[0] >> 2) & 0x3)); + m_curr_packet.SetDataOOOTag((m_currPacketData[0] >> 5) & 0x3); + SendPacket(); + } + if(m_bytesExpectedThisPkt < m_currPacketData.size()) + throwMalformedPacketErr("Malformed out of order data packet."); + break; + + // both these expect an address only. + case ETM3_PKT_VAL_NOT_TRACED: + case ETM3_PKT_OOO_ADDR_PLC: // we set the tag earlier. + if(m_bExpectingDataAddress) { + // look for end of continuation bits + if((by & 0x80) != 0x80) { + uint8_t bits = 0, beVal = 0; + bool updateBE = false; + m_currPktIdx = 1; + uint32_t dataAddress = extractDataAddress(bits,updateBE,beVal); + m_curr_packet.UpdateDataAddress(dataAddress, bits); + if(updateBE) + m_curr_packet.UpdateDataEndian(beVal); + SendPacket(); + } + } + break; + + case ETM3_PKT_CONTEXT_ID: + if(m_bytesExpectedThisPkt == m_currPacketData.size()) { + m_currPktIdx = 1; + m_curr_packet.UpdateContextID(extractCtxtID()); + SendPacket(); + } + if(m_bytesExpectedThisPkt < m_currPacketData.size()) + throwMalformedPacketErr("Malformed context id packet."); + break; + + case ETM3_PKT_TIMESTAMP: + if((by & 0x80) != 0x80) { + uint8_t tsBits = 0; + m_currPktIdx = 1; + uint64_t tsVal = extractTimestamp(tsBits); + m_curr_packet.UpdateTimestamp(tsVal,tsBits); + SendPacket(); + } + break; + + case ETM3_PKT_VMID: + // single byte payload + m_curr_packet.UpdateVMID(by); + SendPacket(); + break; + } + + return OCSD_OK; +} + +// extract branch address packet at current location in packet data. +void EtmV3PktProcImpl::OnBranchAddress() +{ + int validBits = 0; + ocsd_vaddr_t partAddr = 0; + + partAddr = extractBrAddrPkt(validBits); + m_curr_packet.UpdateAddress(partAddr,validBits); +} + +uint32_t EtmV3PktProcImpl::extractBrAddrPkt(int &nBitsOut) +{ + static int addrshift[] = { + 2, // ARM_ISA + 1, // thumb + 1, // thumb EE + 0 // jazelle + }; + + static uint8_t addrMask[] = { // byte 5 masks + 0x7, // ARM_ISA + 0xF, // thumb + 0xF, // thumb EE + 0x1F // jazelle + }; + + static int addrBits[] = { // address bits in byte 5 + 3, // ARM_ISA + 4, // thumb + 4, // thumb EE + 5 // jazelle + }; + + static ocsd_armv7_exception exceptionTypeARMdeprecated[] = { + Excp_Reset, + Excp_IRQ, + Excp_Reserved, + Excp_Reserved, + Excp_Jazelle, + Excp_FIQ, + Excp_AsyncDAbort, + Excp_DebugHalt + }; + + bool CBit = true; + int bytecount = 0; + int bitcount = 0; + int shift = 0; + int isa_idx = 0; + uint32_t value = 0; + uint8_t addrbyte; + bool byte5AddrUpdate = false; + + while(CBit && bytecount < 4) + { + checkPktLimits(); + addrbyte = m_currPacketData[m_currPktIdx++]; + CBit = (bool)((addrbyte & 0x80) != 0); + shift = bitcount; + if(bytecount == 0) + { + addrbyte &= ~0x81; + bitcount+=6; + addrbyte >>= 1; + } + else + { + // bytes 2-4, no continuation, alt format uses bit 6 to indicate following exception bytes + if(m_config.isAltBranch() && !CBit) + { + // last compressed address byte with exception + if((addrbyte & 0x40) == 0x40) + extractExceptionData(); + addrbyte &= 0x3F; + bitcount+=6; + } + else + { + addrbyte &= 0x7F; + bitcount+=7; + } + } + value |= ((uint32_t)addrbyte) << shift; + bytecount++; + } + + // byte 5 - indicates following exception bytes (or not!) + if(CBit) + { + checkPktLimits(); + addrbyte = m_currPacketData[m_currPktIdx++]; + + // deprecated original byte 5 encoding - ARM state exception only + if(addrbyte & 0x80) + { + uint8_t excep_num = (addrbyte >> 3) & 0x7; + m_curr_packet.UpdateISA(ocsd_isa_arm); + m_curr_packet.SetException(exceptionTypeARMdeprecated[excep_num], excep_num, (addrbyte & 0x40) ? true : false,m_config.isV7MArch()); + } + else + // normal 5 byte branch, or uses exception bytes. + { + // go grab the exception bits to correctly interpret the ISA state + if((addrbyte & 0x40) == 0x40) + extractExceptionData(); + + if((addrbyte & 0xB8) == 0x08) + m_curr_packet.UpdateISA(ocsd_isa_arm); + else if ((addrbyte & 0xB0) == 0x10) + m_curr_packet.UpdateISA(m_curr_packet.AltISA() ? ocsd_isa_tee : ocsd_isa_thumb2); + else if ((addrbyte & 0xA0) == 0x20) + m_curr_packet.UpdateISA(ocsd_isa_jazelle); + else + throwMalformedPacketErr("Malformed Packet - Unknown ISA."); + } + + byte5AddrUpdate = true; // need to update the address value from byte 5 + } + + // figure out the correct ISA shifts for the address bits + switch(m_curr_packet.ISA()) + { + case ocsd_isa_thumb2: isa_idx = 1; break; + case ocsd_isa_tee: isa_idx = 2; break; + case ocsd_isa_jazelle: isa_idx = 3; break; + default: break; + } + + if(byte5AddrUpdate) + { + value |= ((uint32_t)(addrbyte & addrMask[isa_idx])) << bitcount; + bitcount += addrBits[isa_idx]; + } + + // finally align according to ISA + shift = addrshift[isa_idx]; + value <<= shift; + bitcount += shift; + + nBitsOut = bitcount; + return value; +} + +// extract exception data from bytes after address. +void EtmV3PktProcImpl::extractExceptionData() +{ + static const ocsd_armv7_exception exceptionTypesStd[] = { + Excp_NoException, Excp_DebugHalt, Excp_SMC, Excp_Hyp, + Excp_AsyncDAbort, Excp_Jazelle, Excp_Reserved, Excp_Reserved, + Excp_Reset, Excp_Undef, Excp_SVC, Excp_PrefAbort, + Excp_SyncDataAbort, Excp_Generic, Excp_IRQ, Excp_FIQ + }; + + static const ocsd_armv7_exception exceptionTypesCM[] = { + Excp_NoException, Excp_CMIRQn, Excp_CMIRQn, Excp_CMIRQn, + Excp_CMIRQn, Excp_CMIRQn, Excp_CMIRQn, Excp_CMIRQn, + Excp_CMIRQn, Excp_CMUsageFault, Excp_CMNMI, Excp_SVC, + Excp_CMDebugMonitor, Excp_CMMemManage, Excp_CMPendSV, Excp_CMSysTick, + Excp_Reserved, Excp_Reset, Excp_Reserved, Excp_CMHardFault, + Excp_Reserved, Excp_CMBusFault, Excp_Reserved, Excp_Reserved + }; + + uint16_t exceptionNum = 0; + ocsd_armv7_exception excep_type = Excp_Reserved; + int resume = 0; + int irq_n = 0; + bool cancel_prev_instr = 0; + bool Byte2 = false; + + checkPktLimits(); + + //**** exception info Byte 0 + uint8_t dataByte = m_currPacketData[m_currPktIdx++]; + + m_curr_packet.UpdateNS(dataByte & 0x1); + exceptionNum |= (dataByte >> 1) & 0xF; + cancel_prev_instr = (dataByte & 0x20) ? true : false; + m_curr_packet.UpdateAltISA(((dataByte & 0x40) != 0) ? 1 : 0); + + //** another byte? + if(dataByte & 0x80) + { + checkPktLimits(); + dataByte = m_currPacketData[m_currPktIdx++]; + + if(dataByte & 0x40) + Byte2 = true; //** immediate info byte 2, skipping 1 + else + { + //**** exception info Byte 1 + if(m_config.isV7MArch()) + { + exceptionNum |= ((uint16_t)(dataByte & 0x1F)) << 4; + } + m_curr_packet.UpdateHyp(dataByte & 0x20 ? 1 : 0); + + if(dataByte & 0x80) + { + checkPktLimits(); + dataByte = m_currPacketData[m_currPktIdx++]; + Byte2 = true; + } + } + //**** exception info Byte 2 + if(Byte2) + { + resume = dataByte & 0xF; + } + } + + // set the exception type - according to the number and core profile + if(m_config.isV7MArch()) + { + exceptionNum &= 0x1FF; + if(exceptionNum < 0x018) + excep_type= exceptionTypesCM[exceptionNum]; + else + excep_type = Excp_CMIRQn; + + if(excep_type == Excp_CMIRQn) + { + if(exceptionNum > 0x018) + irq_n = exceptionNum - 0x10; + else if(exceptionNum == 0x008) + irq_n = 0; + else + irq_n = exceptionNum; + } + } + else + { + exceptionNum &= 0xF; + excep_type = exceptionTypesStd[exceptionNum]; + } + m_curr_packet.SetException(excep_type, exceptionNum, cancel_prev_instr,m_config.isV7MArch(), irq_n,resume); +} + +void EtmV3PktProcImpl::checkPktLimits() +{ + // index running off the end of the packet means a malformed packet. + if(m_currPktIdx >= m_currPacketData.size()) + throwMalformedPacketErr("Malformed Packet - oversized packet."); +} + +uint32_t EtmV3PktProcImpl::extractCtxtID() +{ + uint32_t ctxtID = 0; + int size = m_config.CtxtIDBytes(); + + // check we have enough data + if((m_currPktIdx + size) > m_currPacketData.size()) + throwMalformedPacketErr("Too few bytes to extract context ID."); + + switch(size) + { + case 1: + ctxtID = (uint32_t)m_currPacketData[m_currPktIdx]; + m_currPktIdx++; + break; + + case 2: + ctxtID = (uint32_t)m_currPacketData[m_currPktIdx] + | ((uint32_t)m_currPacketData[m_currPktIdx+1]) << 8; + m_currPktIdx+=2; + break; + + case 4: + ctxtID = (uint32_t)m_currPacketData[m_currPktIdx] + | ((uint32_t)m_currPacketData[m_currPktIdx+1]) << 8 + | ((uint32_t)m_currPacketData[m_currPktIdx+2]) << 16 + | ((uint32_t)m_currPacketData[m_currPktIdx+3]) << 24; + m_currPktIdx+=4; + break; + } + return ctxtID; +} + +uint64_t EtmV3PktProcImpl::extractTimestamp(uint8_t &tsBits) +{ + uint64_t ts = 0; + unsigned tsMaxBytes = m_config.TSPkt64() ? 9 : 7; + unsigned tsCurrBytes = 0; + bool bCont = true; + uint8_t mask = 0x7F; + uint8_t last_mask = m_config.TSPkt64() ? 0xFF : 0x3F; + uint8_t ts_iter_bits = 7; + uint8_t ts_last_iter_bits = m_config.TSPkt64() ? 8 : 6; + uint8_t currByte; + tsBits = 0; + + while((tsCurrBytes < tsMaxBytes) && bCont) + { + if(m_currPacketData.size() < (m_currPktIdx + tsCurrBytes + 1)) + throwMalformedPacketErr("Insufficient bytes to extract timestamp."); + + currByte = m_currPacketData[m_currPktIdx+tsCurrBytes]; + ts |= ((uint64_t)(currByte & mask)) << (7 * tsCurrBytes); + tsCurrBytes++; + tsBits += ts_iter_bits; + bCont = ((0x80 & currByte) == 0x80); + if(tsCurrBytes == (tsMaxBytes - 1)) + { + mask = last_mask; + ts_iter_bits = ts_last_iter_bits; + } + } + m_currPktIdx += tsCurrBytes; + return ts; +} + + +uint32_t EtmV3PktProcImpl::extractDataAddress(uint8_t &bits, bool &updateBE, uint8_t &beVal) +{ + uint32_t dataAddr = 0; + int bytesIdx = 0; + bool bCont = true; + uint8_t currByte = 0; + + updateBE = false; + bits = 0; + + while(bCont) + { + checkPktLimits(); + currByte = m_currPacketData[m_currPktIdx++] & ((bytesIdx == 4) ? 0x0F : 0x7F); + dataAddr |= (((uint32_t)currByte) << (bytesIdx * 7)); + bCont = ((currByte & 0x80) == 0x80); + if(bytesIdx == 4) + { + bits += 4; + updateBE = true; + beVal = ((currByte >> 4) & 0x1); + bCont = false; + } + else + bits+=7; + bytesIdx++; + } + return dataAddr; +} + +uint32_t EtmV3PktProcImpl::extractDataValue(const int dataByteSize) +{ + static int bytesReqTable[] = { 0,1,2,4 }; + + uint32_t dataVal = 0; + int bytesUsed = 0; + int bytesReq = bytesReqTable[dataByteSize & 0x3]; + while(bytesUsed < bytesReq) + { + checkPktLimits(); + dataVal |= (((uint32_t)m_currPacketData[m_currPktIdx++]) << (bytesUsed * 8)); + bytesUsed++; + } + return dataVal; +} + + +uint32_t EtmV3PktProcImpl::extractCycleCount() +{ + uint32_t cycleCount = 0; + int byteIdx = 0; + uint8_t mask = 0x7F; + bool bCond = true; + uint8_t currByte = 0; + + while(bCond) + { + checkPktLimits(); + currByte = m_currPacketData[m_currPktIdx++]; + cycleCount |= ((uint32_t)(currByte & mask)) << (7 * byteIdx); + bCond = ((currByte & 0x80) == 0x80); + byteIdx++; + + if(byteIdx == 4) + mask = 0x0F; + + if(byteIdx == 5) + bCond = false; + } + return cycleCount; +} + +void EtmV3PktProcImpl::OnISyncPacket() +{ + uint8_t iSyncInfoByte = 0; + uint32_t instrAddr = 0, LSiPAddr = 0; + int LSiPBits = 0; + uint8_t T = 0, J = 0, AltISA = 0; + + m_currPktIdx = 1; + if(m_bIsync_got_cycle_cnt) + { + m_curr_packet.SetCycleCount(extractCycleCount()); + m_curr_packet.SetISyncHasCC(); + } + + if(m_config.CtxtIDBytes() != 0) + { + m_curr_packet.UpdateContextID(extractCtxtID()); + } + + // extract context info + iSyncInfoByte = m_currPacketData[m_currPktIdx++]; + m_curr_packet.SetISyncReason((ocsd_iSync_reason)((iSyncInfoByte >> 5) & 0x3)); + J = (iSyncInfoByte >> 4) & 0x1; + AltISA = m_config.MinorRev() >= 3 ? (iSyncInfoByte >> 2) & 0x1 : 0; + m_curr_packet.UpdateNS((iSyncInfoByte >> 3) & 0x1); + if(m_config.hasVirtExt()) + m_curr_packet.UpdateHyp((iSyncInfoByte >> 1) & 0x1); + + // main address value - full 32 bit address value + if(m_config.isInstrTrace()) + { + for(int i = 0; i < 4; i++) + instrAddr |= ((uint32_t)m_currPacketData[m_currPktIdx++]) << (8*i); + T = instrAddr & 0x1; // get the T bit. + instrAddr &= ~0x1; // remove from address. + m_curr_packet.UpdateAddress(instrAddr,32); + + // enough data now to set the instruction set. + ocsd_isa currISA = ocsd_isa_arm; + if(J) + currISA = ocsd_isa_jazelle; + else if(T) + currISA = AltISA ? ocsd_isa_tee : ocsd_isa_thumb2; + m_curr_packet.UpdateISA(currISA); + + // possible follow up address value - rarely uses unless trace enabled during + // load and store instruction executing on top of other instruction. + if(m_bIsync_get_LSiP_addr) + { + LSiPAddr = extractBrAddrPkt(LSiPBits); + // follow up address value is compressed relative to the main value + // we store this in the data address value temporarily. + m_curr_packet.UpdateDataAddress(instrAddr,32); + m_curr_packet.UpdateDataAddress(LSiPAddr,LSiPBits); + } + } + else + m_curr_packet.SetISyncNoAddr(); + + SendPacket(); // mark ready to send +} + +/* End of File trc_pkt_proc_etmv3_impl.cpp */ diff --git a/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h new file mode 100644 index 0000000..a8e4fd1 --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h @@ -0,0 +1,175 @@ +/* + * \file trc_pkt_proc_etmv3_impl.h + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED +#define ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED + +#include "opencsd/etmv3/trc_pkt_proc_etmv3.h" +#include "opencsd/etmv3/trc_cmp_cfg_etmv3.h" +#include "opencsd/etmv3/trc_pkt_elem_etmv3.h" + +#define MAX_PACKET_SIZE 32 +#define ASYNC_SIZE 6 + +class EtmV3PktProcImpl +{ +public: + EtmV3PktProcImpl(); + ~EtmV3PktProcImpl(); + + void Initialise(TrcPktProcEtmV3 *p_interface); + + ocsd_err_t Configure(const EtmV3Config *p_config); + + + ocsd_datapath_resp_t processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed); + ocsd_datapath_resp_t onEOT(); + ocsd_datapath_resp_t onReset(); + ocsd_datapath_resp_t onFlush(); + const bool isBadPacket() const; + +protected: + typedef enum _process_state { + WAIT_SYNC, + PROC_HDR, + PROC_DATA, + SEND_PKT, + PROC_ERR, + } process_state; + + process_state m_process_state; + + + void InitPacketState(); // clear current packet state. + void InitProcessorState(); // clear all previous process state + + // byte processing + + uint32_t waitForSync(const uint32_t dataBlockSize, const uint8_t *pDataBlock); //!< look for sync, return none-sync bytes processed. + ocsd_err_t processHeaderByte(uint8_t by); + ocsd_err_t processPayloadByte(uint8_t by); + + // packet handling - main routines + void OnBranchAddress(); + void OnISyncPacket(); + uint32_t extractCtxtID(); + uint64_t extractTimestamp(uint8_t &tsBits); + uint32_t extractDataAddress(uint8_t &bits, bool &updateBE, uint8_t &beVal); + uint32_t extractDataValue(const int dataByteSize); + uint32_t extractCycleCount(); + + // packet handling - helper routines + uint32_t extractBrAddrPkt(int &nBitsOut); + void extractExceptionData(); + void checkPktLimits(); + void setBytesPartPkt(const int numBytes, const process_state nextState, const ocsd_etmv3_pkt_type nextType); // set first n bytes from current packet to be sent via alt packet. + + // packet output + void SendPacket(); // mark state for packet output + ocsd_datapath_resp_t outputPacket(); // output a packet + + // bad packets + void throwMalformedPacketErr(const char *pszErrMsg); + void throwPacketHeaderErr(const char *pszErrMsg); + void throwUnsupportedErr(const char *pszErrMsg); + + uint32_t m_bytesProcessed; // bytes processed by the process data routine (index into input buffer) + std::vector<uint8_t> m_currPacketData; // raw data + uint32_t m_currPktIdx; // index into packet when expanding + EtmV3TrcPacket m_curr_packet; // expanded packet + + std::vector<uint8_t> m_partPktData; // raw data when we need to split a packet. + bool m_bSendPartPkt; // mark the part packet as the one we send. + process_state m_post_part_pkt_state; // state to set after part packet set + ocsd_etmv3_pkt_type m_post_part_pkt_type; // reset the packet type. + + // process state + bool m_bStreamSync; //!< true if we have synced this stream + bool m_bStartOfSync; //!< true if we have a start of sync. + + // packet state + uint32_t m_bytesExpectedThisPkt; // used by some of the variable packet length types. + bool m_BranchPktNeedsException; + bool m_bIsync_got_cycle_cnt; + bool m_bIsync_get_LSiP_addr; + int m_IsyncInfoIdx; + bool m_bExpectingDataAddress; + bool m_bFoundDataAddress; + + ocsd_trc_index_t m_packet_index; // index of the start of the current packet + ocsd_trc_index_t m_packet_curr_byte_index; // index of the current byte. + + bool m_isInit; + TrcPktProcEtmV3 *m_interface; /**< The interface to the other decode components */ + + EtmV3Config m_config; + + uint8_t m_chanIDCopy; +}; + + +inline void EtmV3PktProcImpl::SendPacket() +{ + m_process_state = SEND_PKT; +} + +inline void EtmV3PktProcImpl::throwMalformedPacketErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_packet_index,m_chanIDCopy,pszErrMsg); +} + +inline void EtmV3PktProcImpl::throwPacketHeaderErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_INVALID_PCKT_HDR,m_packet_index,m_chanIDCopy,pszErrMsg); +} + +inline void EtmV3PktProcImpl::throwUnsupportedErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,m_packet_index,m_chanIDCopy,pszErrMsg); +} + + +inline const bool EtmV3PktProcImpl::isBadPacket() const +{ + return m_curr_packet.isBadPacket(); +} + + +#endif // ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED + +/* End of File trc_pkt_proc_etmv3_impl.h */ diff --git a/decoder/source/etmv4/trc_cmp_cfg_etmv4.cpp b/decoder/source/etmv4/trc_cmp_cfg_etmv4.cpp new file mode 100644 index 0000000..6f8bf79 --- /dev/null +++ b/decoder/source/etmv4/trc_cmp_cfg_etmv4.cpp @@ -0,0 +1,111 @@ +/* + * \file trc_cmp_cfg_etmv4.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv4/trc_cmp_cfg_etmv4.h" + +EtmV4Config::EtmV4Config() +{ + m_cfg.reg_idr0 = 0x28000EA1; + m_cfg.reg_idr1 = 0x4100F403; + m_cfg.reg_idr2 = 0x00000488; + m_cfg.reg_idr8 = 0; + m_cfg.reg_idr9 = 0; + m_cfg.reg_idr10 = 0; + m_cfg.reg_idr11 = 0; + m_cfg.reg_idr12 = 0; + m_cfg.reg_idr13 = 0; + m_cfg.reg_configr = 0xC1; + m_cfg.reg_traceidr = 0; + m_cfg.arch_ver = ARCH_V7; + m_cfg.core_prof = profile_CortexA; + + PrivateInit(); +} + +EtmV4Config::EtmV4Config(const ocsd_etmv4_cfg *cfg_regs) +{ + m_cfg = *cfg_regs; + PrivateInit(); +} + +EtmV4Config & EtmV4Config::operator=(const ocsd_etmv4_cfg *p_cfg) +{ + m_cfg = *p_cfg; + PrivateInit(); + return *this; +} + +void EtmV4Config::PrivateInit() +{ + m_QSuppCalc = false; + m_QSuppFilter = false; + m_QSuppType = Q_NONE; + m_VMIDSzCalc = false; + m_VMIDSize = 0; + m_condTraceCalc = false; + m_CondTrace = COND_TR_DIS; + m_MajVer = (uint8_t)((m_cfg.reg_idr1 >> 8) & 0xF); + m_MinVer = (uint8_t)((m_cfg.reg_idr1 >> 4) & 0xF); +} + +void EtmV4Config::CalcQSupp() +{ + QSuppType qtypes[] = { + Q_NONE, + Q_ICOUNT_ONLY, + Q_NO_ICOUNT_ONLY, + Q_FULL + }; + uint8_t Qsupp = (m_cfg.reg_idr0 >> 15) & 0x3; + m_QSuppType = qtypes[Qsupp]; + m_QSuppFilter = (bool)((m_cfg.reg_idr0 & 0x4000) == 0x4000) && (m_QSuppType != Q_NONE); + m_QSuppCalc = true; +} + +void EtmV4Config::CalcVMIDSize() +{ + uint32_t vmidszF = (m_cfg.reg_idr2 >> 10) & 0x1F; + if(vmidszF == 1) + m_VMIDSize = 8; + else if(FullVersion() > 0x40) + { + if(vmidszF == 2) + m_VMIDSize = 16; + else if(vmidszF == 4) + m_VMIDSize = 32; + } + m_VMIDSzCalc = true; +} + +/* End of File trc_cmp_cfg_etmv4.cpp */ diff --git a/decoder/source/etmv4/trc_etmv4_stack_elem.cpp b/decoder/source/etmv4/trc_etmv4_stack_elem.cpp new file mode 100644 index 0000000..1207444 --- /dev/null +++ b/decoder/source/etmv4/trc_etmv4_stack_elem.cpp @@ -0,0 +1,178 @@ +/* +* \file trc_etmv4_stack_elem.cpp +* \brief OpenCSD : ETMv4 decoder +* +* \copyright Copyright (c) 2017, ARM Limited. All Rights Reserved. +*/ + + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "opencsd/etmv4/trc_etmv4_stack_elem.h" + +/* implementation of P0 element stack in ETM v4 trace*/ +TrcStackElem *EtmV4P0Stack::createParamElemNoParam(const p0_elem_t p0_type, const bool isP0, const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, bool back /*= false*/) +{ + TrcStackElem *pElem = new (std::nothrow) TrcStackElem(p0_type, isP0, root_pkt, root_index); + if (pElem) + { + if (back) + push_back(pElem); + else + push_front(pElem); + } + return pElem; +} + +TrcStackElemParam *EtmV4P0Stack::createParamElem(const p0_elem_t p0_type, const bool isP0, const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const std::vector<uint32_t> ¶ms) +{ + TrcStackElemParam *pElem = new (std::nothrow) TrcStackElemParam(p0_type, isP0, root_pkt, root_index); + if (pElem) + { + int param_idx = 0; + int params_to_fill = params.size(); + while ((param_idx < 4) && params_to_fill) + { + pElem->setParam(params[param_idx], param_idx); + param_idx++; + params_to_fill--; + } + push_front(pElem); + } + return pElem; +} + +TrcStackElemAtom *EtmV4P0Stack::createAtomElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const ocsd_pkt_atom &atom) +{ + TrcStackElemAtom *pElem = new (std::nothrow) TrcStackElemAtom(root_pkt, root_index); + if (pElem) + { + pElem->setAtom(atom); + push_front(pElem); + } + return pElem; +} + +TrcStackElemExcept *EtmV4P0Stack::createExceptElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const bool bSame, const uint16_t excepNum) +{ + TrcStackElemExcept *pElem = new (std::nothrow) TrcStackElemExcept(root_pkt, root_index); + if (pElem) + { + pElem->setExcepNum(excepNum); + pElem->setPrevSame(bSame); + push_front(pElem); + } + return pElem; +} + +TrcStackElemCtxt *EtmV4P0Stack::createContextElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const etmv4_context_t &context, const uint8_t IS, const bool back /*= false*/) +{ + TrcStackElemCtxt *pElem = new (std::nothrow) TrcStackElemCtxt(root_pkt, root_index); + if (pElem) + { + pElem->setContext(context); + pElem->setIS(IS); + if (back) + push_back(pElem); + else + push_front(pElem); + } + return pElem; + +} + +TrcStackElemAddr *EtmV4P0Stack::createAddrElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const etmv4_addr_val_t &addr_val) +{ + TrcStackElemAddr *pElem = new (std::nothrow) TrcStackElemAddr(root_pkt, root_index); + if (pElem) + { + pElem->setAddr(addr_val); + push_front(pElem); + } + return pElem; +} + +TrcStackQElem *EtmV4P0Stack::createQElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const int count) +{ + TrcStackQElem *pElem = new (std::nothrow) TrcStackQElem(root_pkt, root_index); + if (pElem) + { + pElem->setInstrCount(count); + push_front(pElem); + } + return pElem; +} + +TrcStackElemMarker *EtmV4P0Stack::createMarkerElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const trace_marker_payload_t &marker) +{ + TrcStackElemMarker *pElem = new (std::nothrow) TrcStackElemMarker(root_pkt, root_index); + if (pElem) + { + pElem->setMarker(marker); + push_front(pElem); + } + return pElem; +} + +TrcStackElemAddr *EtmV4P0Stack::createSrcAddrElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const etmv4_addr_val_t &addr_val) +{ + TrcStackElemAddr *pElem = new (std::nothrow) TrcStackElemAddr(root_pkt, root_index, true); + if (pElem) + { + pElem->setAddr(addr_val); + push_front(pElem); + } + return pElem; +} + +// iteration functions +void EtmV4P0Stack::from_front_init() +{ + m_iter = m_P0_stack.begin(); +} + +TrcStackElem *EtmV4P0Stack::from_front_next() +{ + TrcStackElem *pElem = 0; + if (m_iter != m_P0_stack.end()) + { + pElem = *m_iter++; + } + return pElem; +} + +void EtmV4P0Stack::erase_curr_from_front() +{ + std::deque<TrcStackElem *>::iterator erase_iter; + erase_iter = m_iter; + erase_iter--; + m_P0_stack.erase(erase_iter); +} + + +/* End of file trc_etmv4_stack_elem.cpp */ diff --git a/decoder/source/etmv4/trc_pkt_decode_etmv4i.cpp b/decoder/source/etmv4/trc_pkt_decode_etmv4i.cpp new file mode 100644 index 0000000..a9b059a --- /dev/null +++ b/decoder/source/etmv4/trc_pkt_decode_etmv4i.cpp @@ -0,0 +1,1957 @@ +/* + * \file trc_pkt_decode_etmv4i.cpp + * \brief OpenCSD : ETMv4 decoder + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv4/trc_pkt_decode_etmv4i.h" + +#include "common/trc_gen_elem.h" + + +#define DCD_NAME "DCD_ETMV4" + +static const uint32_t ETMV4_SUPPORTED_DECODE_OP_FLAGS = OCSD_OPFLG_PKTDEC_COMMON | + ETE_OPFLG_PKTDEC_SRCADDR_N_ATOMS; + +TrcPktDecodeEtmV4I::TrcPktDecodeEtmV4I() + : TrcPktDecodeBase(DCD_NAME) +{ + initDecoder(); +} + +TrcPktDecodeEtmV4I::TrcPktDecodeEtmV4I(int instIDNum) + : TrcPktDecodeBase(DCD_NAME,instIDNum) +{ + initDecoder(); +} + +TrcPktDecodeEtmV4I::~TrcPktDecodeEtmV4I() +{ +} + +/*********************** implementation packet decoding interface */ + +ocsd_datapath_resp_t TrcPktDecodeEtmV4I::processPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + ocsd_err_t err = OCSD_OK; + bool bPktDone = false; + + while(!bPktDone) + { + switch (m_curr_state) + { + case NO_SYNC: + // output the initial not synced packet to the sink + err = m_out_elem.resetElemStack(); + if (!err) + err = m_out_elem.addElemType(m_index_curr_pkt, OCSD_GEN_TRC_ELEM_NO_SYNC); + if (!err) + { + outElem().setUnSyncEOTReason(m_unsync_eot_info); + resp = m_out_elem.sendElements(); + m_curr_state = WAIT_SYNC; + } + else + resp = OCSD_RESP_FATAL_SYS_ERR; + + // fall through to check if the current packet is the async we are waiting for. + break; + + case WAIT_SYNC: + if(m_curr_packet_in->getType() == ETM4_PKT_I_ASYNC) + m_curr_state = WAIT_TINFO; + bPktDone = true; + break; + + case WAIT_TINFO: + m_need_ctxt = true; + m_need_addr = true; + if(m_curr_packet_in->getType() == ETM4_PKT_I_TRACE_INFO) + { + doTraceInfoPacket(); + m_curr_state = DECODE_PKTS; + m_return_stack.flush(); + } + /* ETE spec allows early event packets. */ + else if ((m_config->MajVersion() >= 0x5) && + (m_curr_packet_in->getType() == ETM4_PKT_I_EVENT)) + { + err = decodePacket(); + if (err) + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + bPktDone = true; + break; + + case DECODE_PKTS: + // this may change the state to RESOLVE_ELEM if required; + err = decodePacket(); + if (err) + { +#ifdef OCSD_WARN_UNSUPPORTED + if (err == OCSD_ERR_UNSUPP_DECODE_PKT) + resp = OCSD_RESP_WARN_CONT; + else +#else + resp = OCSD_RESP_FATAL_INVALID_DATA; +#endif + + bPktDone = true; + } + else if (m_curr_state != RESOLVE_ELEM) + bPktDone = true; + break; + + case RESOLVE_ELEM: + // this will change the state to DECODE_PKTS once required elem resolved & + // needed generic packets output + resp = resolveElements(); + if ((m_curr_state == DECODE_PKTS) || (!OCSD_DATA_RESP_IS_CONT(resp))) + bPktDone = true; + break; + } + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV4I::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + ocsd_err_t err; + if ((err = commitElemOnEOT()) != OCSD_OK) + { + resp = OCSD_RESP_FATAL_INVALID_DATA; + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, "Error flushing element stack at end of trace data.")); + } + else + resp = m_out_elem.sendElements(); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV4I::onReset() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_unsync_eot_info = UNSYNC_RESET_DECODER; + resetDecoder(); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeEtmV4I::onFlush() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + if (m_curr_state == RESOLVE_ELEM) + resp = resolveElements(); + else + resp = m_out_elem.sendElements(); + return resp; +} + +ocsd_err_t TrcPktDecodeEtmV4I::onProtocolConfig() +{ + ocsd_err_t err = OCSD_OK; + + // set some static config elements + m_CSID = m_config->getTraceID(); + m_max_spec_depth = m_config->MaxSpecDepth(); + + // elements associated with data trace +#ifdef DATA_TRACE_SUPPORTED + m_p0_key_max = m_config->P0_Key_Max(); + m_cond_key_max_incr = m_config->CondKeyMaxIncr(); +#endif + + m_out_elem.initCSID(m_CSID); + + // set up static trace instruction decode elements + m_instr_info.dsb_dmb_waypoints = 0; + m_instr_info.wfi_wfe_branch = m_config->wfiwfeBranch() ? 1 : 0; + m_instr_info.pe_type.arch = m_config->archVersion(); + m_instr_info.pe_type.profile = m_config->coreProfile(); + + m_IASize64 = (m_config->iaSizeMax() == 64); + + if (m_config->enabledRetStack()) + { + m_return_stack.set_active(true); +#ifdef TRC_RET_STACK_DEBUG + m_return_stack.set_dbg_logger(this); +#endif + } + + // check config compatible with current decoder support level. + // at present no data trace, no spec depth, no return stack, no QE + // Remove these checks as support is added. + if(m_config->enabledDataTrace()) + { + err = OCSD_ERR_HW_CFG_UNSUPP; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,"ETMv4 instruction decode : Data trace elements not supported")); + } + else if(m_config->enabledLSP0Trace()) + { + err = OCSD_ERR_HW_CFG_UNSUPP; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,"ETMv4 instruction decode : LSP0 elements not supported.")); + } + else if(m_config->enabledCondITrace() != EtmV4Config::COND_TR_DIS) + { + err = OCSD_ERR_HW_CFG_UNSUPP; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,"ETMv4 instruction decode : Trace on conditional non-branch elements not supported.")); + } + return err; +} + +/************* local decode methods */ +void TrcPktDecodeEtmV4I::initDecoder() +{ + // set the operational modes supported. + m_supported_op_flags = ETMV4_SUPPORTED_DECODE_OP_FLAGS; + + /* init elements that get set by config */ + m_max_spec_depth = 0; + m_CSID = 0; + m_IASize64 = false; + + // elements associated with data trace +#ifdef DATA_TRACE_SUPPORTED + m_p0_key_max = 0; + m_cond_key_max_incr = 0; +#endif + + // reset decoder state to unsynced + m_unsync_eot_info = UNSYNC_INIT_DECODER; + resetDecoder(); +} + +void TrcPktDecodeEtmV4I::resetDecoder() +{ + m_curr_state = NO_SYNC; + m_timestamp = 0; + m_context_id = 0; + m_vmid_id = 0; + m_is_secure = true; + m_is_64bit = false; + m_cc_threshold = 0; + m_curr_spec_depth = 0; + m_need_ctxt = true; + m_need_addr = true; + m_elem_pending_addr = false; + m_prev_overflow = false; + m_P0_stack.delete_all(); + m_out_elem.resetElemStack(); + m_last_IS = 0; + clearElemRes(); + m_ete_first_ts_marker = false; + + // elements associated with data trace +#ifdef DATA_TRACE_SUPPORTED + m_p0_key = 0; + m_cond_c_key = 0; + m_cond_r_key = 0; +#endif +} + +void TrcPktDecodeEtmV4I::onFirstInitOK() +{ + // once init, set the output element interface to the out elem list. + m_out_elem.initSendIf(this->getTraceElemOutAttachPt()); +} + +// Changes a packet into stack of trace elements - these will be resolved and output later +ocsd_err_t TrcPktDecodeEtmV4I::decodePacket() +{ + ocsd_err_t err = OCSD_OK; + bool bAllocErr = false; + bool is_addr = false; + + switch(m_curr_packet_in->getType()) + { + case ETM4_PKT_I_ASYNC: // nothing to do with this packet. + case ETM4_PKT_I_IGNORE: // or this one. + break; + + case ETM4_PKT_I_TRACE_INFO: + // skip subsequent TInfo packets. + m_return_stack.flush(); + break; + + case ETM4_PKT_I_TRACE_ON: + { + if (m_P0_stack.createParamElemNoParam(P0_TRC_ON, false, m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + } + break; + + case ETM4_PKT_I_ATOM_F1: + case ETM4_PKT_I_ATOM_F2: + case ETM4_PKT_I_ATOM_F3: + case ETM4_PKT_I_ATOM_F4: + case ETM4_PKT_I_ATOM_F5: + case ETM4_PKT_I_ATOM_F6: + { + if (m_P0_stack.createAtomElem(m_curr_packet_in->getType(), m_index_curr_pkt, m_curr_packet_in->getAtom()) == 0) + bAllocErr = true; + else + m_curr_spec_depth += m_curr_packet_in->getAtom().num; + } + break; + + case ETM4_PKT_I_CTXT: + { + if (m_P0_stack.createContextElem(m_curr_packet_in->getType(), m_index_curr_pkt, m_curr_packet_in->getContext(), m_last_IS) == 0) + bAllocErr = true; + } + break; + + case ETM4_PKT_I_ADDR_MATCH: + { + etmv4_addr_val_t addr; + + addr.val = m_curr_packet_in->getAddrVal(); + addr.isa = m_last_IS = m_curr_packet_in->getAddrIS(); + + if (m_P0_stack.createAddrElem(m_curr_packet_in->getType(), m_index_curr_pkt, addr) == 0) + bAllocErr = true; + is_addr = true; + } + break; + + case ETM4_PKT_I_ADDR_CTXT_L_64IS0: + case ETM4_PKT_I_ADDR_CTXT_L_64IS1: + case ETM4_PKT_I_ADDR_CTXT_L_32IS0: + case ETM4_PKT_I_ADDR_CTXT_L_32IS1: + { + m_last_IS = m_curr_packet_in->getAddrIS(); + if (m_P0_stack.createContextElem(m_curr_packet_in->getType(), m_index_curr_pkt, m_curr_packet_in->getContext(), m_last_IS) == 0) + bAllocErr = true; + } + case ETM4_PKT_I_ADDR_L_32IS0: + case ETM4_PKT_I_ADDR_L_32IS1: + case ETM4_PKT_I_ADDR_L_64IS0: + case ETM4_PKT_I_ADDR_L_64IS1: + case ETM4_PKT_I_ADDR_S_IS0: + case ETM4_PKT_I_ADDR_S_IS1: + { + etmv4_addr_val_t addr; + + addr.val = m_curr_packet_in->getAddrVal(); + addr.isa = m_last_IS = m_curr_packet_in->getAddrIS(); + + if (m_P0_stack.createAddrElem(m_curr_packet_in->getType(), m_index_curr_pkt, addr) == 0) + bAllocErr = true; + is_addr = true; // may be waiting for target address from indirect branch + } + break; + + case ETE_PKT_I_SRC_ADDR_MATCH: + case ETE_PKT_I_SRC_ADDR_S_IS0: + case ETE_PKT_I_SRC_ADDR_S_IS1: + case ETE_PKT_I_SRC_ADDR_L_32IS0: + case ETE_PKT_I_SRC_ADDR_L_32IS1: + case ETE_PKT_I_SRC_ADDR_L_64IS0: + case ETE_PKT_I_SRC_ADDR_L_64IS1: + { + etmv4_addr_val_t addr; + + addr.val = m_curr_packet_in->getAddrVal(); + addr.isa = m_curr_packet_in->getAddrIS(); + if (m_P0_stack.createSrcAddrElem(m_curr_packet_in->getType(), m_index_curr_pkt, addr) == 0) + bAllocErr = true; + m_curr_spec_depth++; + } + break; + + // Exceptions + case ETM4_PKT_I_EXCEPT: + { + if (m_P0_stack.createExceptElem(m_curr_packet_in->getType(), m_index_curr_pkt, + (m_curr_packet_in->exception_info.addr_interp == 0x2), + m_curr_packet_in->exception_info.exceptionType) == 0) + bAllocErr = true; + else + m_elem_pending_addr = true; // wait for following packets before marking for commit. + } + break; + + case ETM4_PKT_I_EXCEPT_RTN: + { + // P0 element if V7M profile. + bool bV7MProfile = (m_config->archVersion() == ARCH_V7) && (m_config->coreProfile() == profile_CortexM); + if (m_P0_stack.createParamElemNoParam(P0_EXCEP_RET, bV7MProfile, m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + else if (bV7MProfile) + m_curr_spec_depth++; + } + break; + + case ETM4_PKT_I_FUNC_RET: + { + // P0 element iff V8M profile, otherwise ignore + if (OCSD_IS_V8_ARCH(m_config->archVersion()) && (m_config->coreProfile() == profile_CortexM)) + { + if (m_P0_stack.createParamElemNoParam(P0_FUNC_RET, true, m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + else + m_curr_spec_depth++; + } + } + break; + + // event trace + case ETM4_PKT_I_EVENT: + { + std::vector<uint32_t> params = { 0 }; + params[0] = (uint32_t)m_curr_packet_in->event_val; + if (m_P0_stack.createParamElem(P0_EVENT, false, m_curr_packet_in->getType(), m_index_curr_pkt, params) == 0) + bAllocErr = true; + + } + break; + + /* cycle count packets */ + case ETM4_PKT_I_CCNT_F1: + case ETM4_PKT_I_CCNT_F2: + case ETM4_PKT_I_CCNT_F3: + { + std::vector<uint32_t> params = { 0 }; + params[0] = m_curr_packet_in->getCC(); + if (m_P0_stack.createParamElem(P0_CC, false, m_curr_packet_in->getType(), m_index_curr_pkt, params) == 0) + bAllocErr = true; + + } + break; + + // timestamp + case ETM4_PKT_I_TIMESTAMP: + { + bool bTSwithCC = m_config->enabledCCI(); + uint64_t ts = m_curr_packet_in->getTS(); + std::vector<uint32_t> params = { 0, 0, 0 }; + params[0] = (uint32_t)(ts & 0xFFFFFFFF); + params[1] = (uint32_t)((ts >> 32) & 0xFFFFFFFF); + if (bTSwithCC) + params[2] = m_curr_packet_in->getCC(); + if (m_P0_stack.createParamElem(bTSwithCC ? P0_TS_CC : P0_TS, false, m_curr_packet_in->getType(), m_index_curr_pkt, params) == 0) + bAllocErr = true; + + } + break; + + case ETE_PKT_I_TS_MARKER: + { + trace_marker_payload_t marker; + marker.type = ELEM_MARKER_TS; + marker.value = 0; + if (m_P0_stack.createMarkerElem(m_curr_packet_in->getType(), m_index_curr_pkt, marker) == 0) + bAllocErr = true; + } + break; + + case ETM4_PKT_I_BAD_SEQUENCE: + err = handleBadPacket("Bad byte sequence in packet.", m_index_curr_pkt); + break; + + case ETM4_PKT_I_BAD_TRACEMODE: + err = handleBadPacket("Invalid packet type for trace mode.", m_index_curr_pkt); + break; + + case ETM4_PKT_I_RESERVED: + err = handleBadPacket("Reserved packet header", m_index_curr_pkt); + break; + + // speculation + case ETM4_PKT_I_MISPREDICT: + case ETM4_PKT_I_CANCEL_F1_MISPRED: + case ETM4_PKT_I_CANCEL_F2: + case ETM4_PKT_I_CANCEL_F3: + m_elem_res.mispredict = true; + if (m_curr_packet_in->getNumAtoms()) + { + if (m_P0_stack.createAtomElem(m_curr_packet_in->getType(), m_index_curr_pkt, m_curr_packet_in->getAtom()) == 0) + bAllocErr = true; + else + m_curr_spec_depth += m_curr_packet_in->getNumAtoms(); + } + + case ETM4_PKT_I_CANCEL_F1: + m_elem_res.P0_cancel = m_curr_packet_in->getCancelElem(); + break; + + case ETM4_PKT_I_COMMIT: + m_elem_res.P0_commit = m_curr_packet_in->getCommitElem(); + break; + + case ETM4_PKT_I_OVERFLOW: + m_prev_overflow = true; + case ETM4_PKT_I_DISCARD: + m_curr_spec_depth = 0; + m_elem_res.discard = true; + break; + + /* Q packets */ + case ETM4_PKT_I_Q: + { + TrcStackQElem *pQElem = m_P0_stack.createQElem(m_curr_packet_in->getType(), m_index_curr_pkt, m_curr_packet_in->Q_pkt.q_count); + if (pQElem) + { + if (m_curr_packet_in->Q_pkt.addr_present) + { + etmv4_addr_val_t addr; + + addr.val = m_curr_packet_in->getAddrVal(); + addr.isa = m_curr_packet_in->getAddrIS(); + pQElem->setAddr(addr); + m_curr_spec_depth++; + } + else + m_elem_pending_addr = true; + } + else + bAllocErr = true; + } + break; + + /* transactional memory packets */ + case ETE_PKT_I_TRANS_ST: + { + if (m_P0_stack.createParamElemNoParam(P0_TRANS_START, m_config->commTransP0(), m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + if (m_config->commTransP0()) + m_curr_spec_depth++; + } + break; + + case ETE_PKT_I_TRANS_COMMIT: + { + if (m_P0_stack.createParamElemNoParam(P0_TRANS_COMMIT, false, m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + } + break; + + case ETE_PKT_I_TRANS_FAIL: + { + if (m_P0_stack.createParamElemNoParam(P0_TRANS_FAIL, false, m_curr_packet_in->getType(), m_index_curr_pkt) == 0) + bAllocErr = true; + } + break; + + /*** presently unsupported packets ***/ + /* ETE commit window - not supported in current ETE versions - blocked by packet processor */ + case ETE_PKT_I_COMMIT_WIN_MV: + err = OCSD_ERR_UNSUPP_DECODE_PKT; + err = handlePacketSeqErr(err, m_index_curr_pkt, "ETE Commit Window Move, unsupported packet type."); + break; + /* conditional instruction tracing */ + case ETM4_PKT_I_COND_FLUSH: + case ETM4_PKT_I_COND_I_F1: + case ETM4_PKT_I_COND_I_F2: + case ETM4_PKT_I_COND_I_F3: + case ETM4_PKT_I_COND_RES_F1: + case ETM4_PKT_I_COND_RES_F2: + case ETM4_PKT_I_COND_RES_F3: + case ETM4_PKT_I_COND_RES_F4: + // data synchronisation markers + case ETM4_PKT_I_NUM_DS_MKR: + case ETM4_PKT_I_UNNUM_DS_MKR: + // all currently unsupported + { + ocsd_err_severity_t sev = OCSD_ERR_SEV_ERROR; +#ifdef OCSD_WARN_UNSUPPORTED + sev = OCSD_ERR_SEV_WARN; + //resp = OCSD_RESP_WARN_CONT; +#else + //resp = OCSD_RESP_FATAL_INVALID_DATA; +#endif + err = OCSD_ERR_UNSUPP_DECODE_PKT; + if (sev == OCSD_ERR_SEV_WARN) + LogError(ocsdError(sev, err, "Data trace related, unsupported packet type.")); + else + err = handlePacketSeqErr(err, m_index_curr_pkt, "Data trace related, unsupported packet type."); + } + break; + + default: + // any other packet - bad packet error + err = handleBadPacket("Unknown packet type.", m_index_curr_pkt); + break; + } + + // we need to wait for following address after certain packets + // - work out if we have seen enough here... + if (is_addr && m_elem_pending_addr) + { + m_curr_spec_depth++; // increase spec depth for element waiting on address. + m_elem_pending_addr = false; // can't be waiting on both + } + + if(bAllocErr) + { + err = OCSD_ERR_MEM; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_MEM,"Memory allocation error.")); + } + else if(m_curr_spec_depth > m_max_spec_depth) + { + // auto commit anything above max spec depth + // (this will auto commit anything if spec depth not supported!) + m_elem_res.P0_commit = m_curr_spec_depth - m_max_spec_depth; + } + + if (!err && isElemForRes()) + m_curr_state = RESOLVE_ELEM; + return err; +} + +void TrcPktDecodeEtmV4I::doTraceInfoPacket() +{ + m_trace_info = m_curr_packet_in->getTraceInfo(); + m_cc_threshold = m_curr_packet_in->getCCThreshold(); + m_curr_spec_depth = m_curr_packet_in->getCurrSpecDepth(); + /* put a trans marker in stack if started in trans state */ + if (m_trace_info.bits.in_trans_state) + m_P0_stack.createParamElemNoParam(P0_TRANS_TRACE_INIT, false, m_curr_packet_in->getType(), m_index_curr_pkt); + + // elements associated with data trace +#ifdef DATA_TRACE_SUPPORTED + m_p0_key = m_curr_packet_in->getP0Key(); +#endif +} + +/* Element resolution + * Commit or cancel elements as required + * Send any buffered output packets. + */ +ocsd_datapath_resp_t TrcPktDecodeEtmV4I::resolveElements() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool Complete = false; + + while (!Complete) + { + if (m_out_elem.numElemToSend()) + resp = m_out_elem.sendElements(); + else if (isElemForRes()) + { + ocsd_err_t err = OCSD_OK; + if (m_elem_res.P0_commit) + err = commitElements(); + + // allow for early flush on context element + if (!m_elem_res.P0_commit) { + + if (!err && m_elem_res.P0_cancel) + err = cancelElements(); + + if (!err && m_elem_res.mispredict) + err = mispredictAtom(); + + if (!err && m_elem_res.discard) + err = discardElements(); + } + + if (err != OCSD_OK) + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + + // break out on error or wait request. + if (!OCSD_DATA_RESP_IS_CONT(resp)) + break; + + // completion is nothing to send and nothing to commit + Complete = !m_out_elem.numElemToSend() && !isElemForRes(); + + // done all elements - need more packets. + if (Complete) { + // if we are still in resolve, the goto decode. + if (m_curr_state == RESOLVE_ELEM) + m_curr_state = DECODE_PKTS; + } + } + return resp; +} + +/* + * Walks through the element stack, processing from oldest element to the newest, + according to the number of P0 elements that need committing. + Build a stack of output elements in the process. + */ +ocsd_err_t TrcPktDecodeEtmV4I::commitElements() +{ + ocsd_err_t err = OCSD_OK; + bool bPopElem = true; // do we remove the element from the stack (multi atom elements may need to stay!) + int num_commit_req = m_elem_res.P0_commit; + ocsd_trc_index_t err_idx = 0; + TrcStackElem *pElem = 0; // stacked element pointer + bool contextFlush = false; + + err = m_out_elem.resetElemStack(); + + while(m_elem_res.P0_commit && !err && !contextFlush) + { + if (m_P0_stack.size() > 0) + { + pElem = m_P0_stack.back(); // get oldest element + err_idx = pElem->getRootIndex(); // save index in case of error. + + switch (pElem->getP0Type()) + { + // indicates a trace restart - beginning of trace or discontinuiuty + case P0_TRC_ON: + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_TRACE_ON); + if (!err) + { + m_out_elem.getCurrElem().trace_on_reason = m_prev_overflow ? TRACE_ON_OVERFLOW : TRACE_ON_NORMAL; + m_prev_overflow = false; + m_return_stack.flush(); + } + break; + + case P0_ADDR: + { + TrcStackElemAddr *pAddrElem = dynamic_cast<TrcStackElemAddr *>(pElem); + m_return_stack.clear_pop_pending(); // address removes the need to pop the indirect address target from the stack + if (pAddrElem) + { + SetInstrInfoInAddrISA(pAddrElem->getAddr().val, pAddrElem->getAddr().isa); + m_need_addr = false; + } + } + break; + + case P0_CTXT: + { + TrcStackElemCtxt *pCtxtElem = dynamic_cast<TrcStackElemCtxt *>(pElem); + if (pCtxtElem) + { + etmv4_context_t ctxt = pCtxtElem->getContext(); + // check this is an updated context + if(ctxt.updated) + { + err = m_out_elem.addElem(pElem->getRootIndex()); + if (!err) { + updateContext(pCtxtElem, outElem()); + + // updated context - need to force this to be output to the client so correct memory + // context can be used. + contextFlush = true; + + // invalidate memory accessor cacheing - force next memory access out to client to + // ensure that the correct memory context is in play when decoding subsequent atoms. + invalidateMemAccCache(); + } + } + } + } + break; + + case P0_EVENT: + case P0_TS: + case P0_CC: + case P0_TS_CC: + err = processTS_CC_EventElem(pElem); + break; + + case P0_MARKER: + err = processMarkerElem(pElem); + break; + + case P0_ATOM: + { + TrcStackElemAtom *pAtomElem = dynamic_cast<TrcStackElemAtom *>(pElem); + + if (pAtomElem) + { + while(!pAtomElem->isEmpty() && m_elem_res.P0_commit && !err) + { + ocsd_atm_val atom = pAtomElem->commitOldest(); + + // check if prev atom left us an indirect address target on the return stack + if ((err = returnStackPop()) != OCSD_OK) + break; + + // if address and context do instruction trace follower. + // otherwise skip atom and reduce committed elements + if (!m_need_ctxt && !m_need_addr) + { + err = processAtom(atom); + } + m_elem_res.P0_commit--; // mark committed + } + if (!pAtomElem->isEmpty()) + bPopElem = false; // don't remove if still atoms to process. + } + } + break; + + case P0_EXCEP: + // check if prev atom left us an indirect address target on the return stack + if ((err = returnStackPop()) != OCSD_OK) + break; + + err = processException(); // output trace + exception elements. + m_elem_res.P0_commit--; + break; + + case P0_EXCEP_RET: + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_EXCEPTION_RET); + if (!err) + { + if (pElem->isP0()) // are we on a core that counts ERET as P0? + m_elem_res.P0_commit--; + } + break; + + case P0_FUNC_RET: + // func ret is V8M - data trace only - hint that data has been popped off the stack. + // at this point nothing to do till the decoder starts handling data trace. + if (pElem->isP0()) + m_elem_res.P0_commit--; + break; + + case P0_SRC_ADDR: + err = processSourceAddress(); + m_elem_res.P0_commit--; + break; + + case P0_Q: + err = processQElement(); + m_elem_res.P0_commit--; + break; + + case P0_TRANS_START: + if (m_config->commTransP0()) + m_elem_res.P0_commit--; + case P0_TRANS_COMMIT: + case P0_TRANS_FAIL: + case P0_TRANS_TRACE_INIT: + err = processTransElem(pElem); + break; + } + + if(bPopElem) + m_P0_stack.delete_back(); // remove element from stack; + } + else + { + // too few elements for commit operation - decode error. + err = handlePacketSeqErr(OCSD_ERR_COMMIT_PKT_OVERRUN, err_idx, "Not enough elements to commit"); + } + } + + // reduce the spec depth by number of comitted elements + m_curr_spec_depth -= (num_commit_req-m_elem_res.P0_commit); + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::returnStackPop() +{ + ocsd_err_t err = OCSD_OK; + ocsd_isa nextISA; + + if (m_return_stack.pop_pending()) + { + ocsd_vaddr_t popAddr = m_return_stack.pop(nextISA); + if (m_return_stack.overflow()) + { + err = OCSD_ERR_RET_STACK_OVERFLOW; + err = handlePacketSeqErr(err, OCSD_BAD_TRC_INDEX, "Trace Return Stack Overflow."); + } + else + { + m_instr_info.instr_addr = popAddr; + m_instr_info.isa = nextISA; + m_need_addr = false; + } + } + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::commitElemOnEOT() +{ + ocsd_err_t err = OCSD_OK; + TrcStackElem *pElem = 0; + + // nothing outstanding - reset the stack before we add more + if (!m_out_elem.numElemToSend()) + m_out_elem.resetElemStack(); + + while((m_P0_stack.size() > 0) && !err) + { + // scan for outstanding events, TS and CC, that appear before any outstanding + // uncommited P0 element. + pElem = m_P0_stack.back(); + + switch(pElem->getP0Type()) + { + // clear stack and stop + case P0_UNKNOWN: + case P0_ATOM: + case P0_TRC_ON: + case P0_EXCEP: + case P0_EXCEP_RET: + case P0_OVERFLOW: + case P0_Q: + m_P0_stack.delete_all(); + break; + + //skip + case P0_ADDR: + case P0_CTXT: + break; + + // trans + // P0 trans - clear and stop, otherwise skip + case P0_TRANS_START: + if (m_config->commTransP0()) + m_P0_stack.delete_all(); + break; + + // non-speculative trans fail / commit - could appear at EoT after valid trace + // but without a subsequent P0 that would force output. + case P0_TRANS_FAIL: + case P0_TRANS_COMMIT: + if (m_max_spec_depth == 0 || m_curr_spec_depth == 0) + err = processTransElem(pElem); + break; + + // others - skip non P0 + case P0_TRANS_TRACE_INIT: + break; + + // output + case P0_EVENT: + case P0_TS: + case P0_CC: + case P0_TS_CC: + err = processTS_CC_EventElem(pElem); + break; + + case P0_MARKER: + err = processMarkerElem(pElem); + break; + } + m_P0_stack.delete_back(); + } + + if(!err) + { + err = m_out_elem.addElemType(m_index_curr_pkt, OCSD_GEN_TRC_ELEM_EO_TRACE); + outElem().setUnSyncEOTReason(m_prev_overflow ? UNSYNC_OVERFLOW : UNSYNC_EOT); + } + return err; +} + +// cancel elements. These not output +ocsd_err_t TrcPktDecodeEtmV4I::cancelElements() +{ + ocsd_err_t err = OCSD_OK; + bool P0StackDone = false; // checked all P0 elements on the stack + TrcStackElem *pElem = 0; // stacked element pointer + EtmV4P0Stack temp; + int num_cancel_req = m_elem_res.P0_cancel; + + while (m_elem_res.P0_cancel) + { + //search the stack for the newest elements + if (!P0StackDone) + { + if (m_P0_stack.size() == 0) + P0StackDone = true; + else + { + // get the newest element + pElem = m_P0_stack.front(); + if (pElem->isP0()) { + if (pElem->getP0Type() == P0_ATOM) + { + TrcStackElemAtom *pAtomElem = (TrcStackElemAtom *)pElem; + // atom - cancel N atoms + m_elem_res.P0_cancel -= pAtomElem->cancelNewest(m_elem_res.P0_cancel); + if (pAtomElem->isEmpty()) + m_P0_stack.delete_front(); // remove the element + } + else + { + m_elem_res.P0_cancel--; + m_P0_stack.delete_front(); // remove the element + } + } else { + // not P0, make a keep / remove decision + switch (pElem->getP0Type()) + { + // keep these + case P0_EVENT: + case P0_TS: + case P0_CC: + case P0_TS_CC: + case P0_MARKER: + m_P0_stack.pop_front(false); + temp.push_back(pElem); + break; + + default: + m_P0_stack.delete_front(); + break; + } + } + if (m_P0_stack.size() == 0) + P0StackDone = true; + } + } + // may have some unseen elements + else if (m_unseen_spec_elem) + { + m_unseen_spec_elem--; + m_elem_res.P0_cancel--; + } + // otherwise we have some sort of overrun + else + { + // too few elements for commit operation - decode error. + err = OCSD_ERR_COMMIT_PKT_OVERRUN; + err = handlePacketSeqErr(err, m_index_curr_pkt, "Not enough elements to cancel"); + m_elem_res.P0_cancel = 0; + break; + } + } + + /* restore any saved elements that are unaffected by cancel. */ + if (temp.size()) + { + while (temp.size()) + { + pElem = temp.back(); + m_P0_stack.push_front(pElem); + temp.pop_back(false); + } + } + + m_curr_spec_depth -= num_cancel_req - m_elem_res.P0_cancel; + return err; +} + +// mispredict an atom +ocsd_err_t TrcPktDecodeEtmV4I::mispredictAtom() +{ + ocsd_err_t err = OCSD_OK; + bool bFoundAtom = false, bDone = false; + TrcStackElem *pElem = 0; + + m_P0_stack.from_front_init(); // init iterator at front. + while (!bDone) + { + pElem = m_P0_stack.from_front_next(); + if (pElem) + { + if (pElem->getP0Type() == P0_ATOM) + { + TrcStackElemAtom *pAtomElem = dynamic_cast<TrcStackElemAtom *>(pElem); + if (pAtomElem) + { + pAtomElem->mispredictNewest(); + bFoundAtom = true; + } + bDone = true; + } + else if (pElem->getP0Type() == P0_ADDR) + { + // need to disregard any addresses that appear between mispredict and the atom in question + m_P0_stack.erase_curr_from_front(); + } + } + else + bDone = true; + } + + // if missed atom then either overrun error or mispredict on unseen element + if (!bFoundAtom && !m_unseen_spec_elem) + { + err = OCSD_ERR_COMMIT_PKT_OVERRUN; + err = handlePacketSeqErr(err, m_index_curr_pkt, "Not found mispredict atom"); + //LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, m_index_curr_pkt, m_CSID, "Not found mispredict atom")); + } + m_elem_res.mispredict = false; + return err; +} + +// discard elements and flush +ocsd_err_t TrcPktDecodeEtmV4I::discardElements() +{ + ocsd_err_t err = OCSD_OK; + TrcStackElem *pElem = 0; // stacked element pointer + + // dump P0, elemnts - output remaining CC / TS + while ((m_P0_stack.size() > 0) && !err) + { + pElem = m_P0_stack.back(); + if (pElem->getP0Type() == P0_MARKER) + err = processMarkerElem(pElem); + else + err = processTS_CC_EventElem(pElem); + m_P0_stack.delete_back(); + } + + // clear all speculation info + clearElemRes(); + m_curr_spec_depth = 0; + + // set decode state + m_curr_state = NO_SYNC; + m_unsync_eot_info = m_prev_overflow ? UNSYNC_OVERFLOW : UNSYNC_DISCARD; + + // unsync so need context & address. + m_need_ctxt = true; + m_need_addr = true; + m_elem_pending_addr = false; + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::processTS_CC_EventElem(TrcStackElem *pElem) +{ + ocsd_err_t err = OCSD_OK; + // ignore ts for ETE if not seen first TS marker on systems that use this. + bool bPermitTS = !m_config->eteHasTSMarker() || m_ete_first_ts_marker; + + switch (pElem->getP0Type()) + { + case P0_EVENT: + { + TrcStackElemParam *pParamElem = dynamic_cast<TrcStackElemParam *>(pElem); + if (pParamElem) + err = addElemEvent(pParamElem); + } + break; + + case P0_TS: + { + TrcStackElemParam *pParamElem = dynamic_cast<TrcStackElemParam *>(pElem); + if (pParamElem && bPermitTS) + err = addElemTS(pParamElem, false); + } + break; + + case P0_CC: + { + TrcStackElemParam *pParamElem = dynamic_cast<TrcStackElemParam *>(pElem); + if (pParamElem) + err = addElemCC(pParamElem); + } + break; + + case P0_TS_CC: + { + TrcStackElemParam *pParamElem = dynamic_cast<TrcStackElemParam *>(pElem); + if (pParamElem && bPermitTS) + err = addElemTS(pParamElem, true); + } + break; + } + return err; + +} + +ocsd_err_t TrcPktDecodeEtmV4I::processMarkerElem(TrcStackElem *pElem) +{ + ocsd_err_t err = OCSD_OK; + TrcStackElemMarker *pMarkerElem = dynamic_cast<TrcStackElemMarker *>(pElem); + + if (m_config->eteHasTSMarker() && (pMarkerElem->getMarker().type == ELEM_MARKER_TS)) + m_ete_first_ts_marker = true; + + if (!err) + { + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_SYNC_MARKER); + if (!err) + m_out_elem.getCurrElem().setSyncMarker(pMarkerElem->getMarker()); + } + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::processTransElem(TrcStackElem *pElem) +{ + ocsd_err_t err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_MEMTRANS); + if (!err) + { + outElem().setTransactionType((trace_memtrans_t)((int)OCSD_MEM_TRANS_FAIL - + ((int)P0_TRANS_FAIL - (int)pElem->getP0Type()))); + } + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::addElemCC(TrcStackElemParam *pParamElem) +{ + ocsd_err_t err = OCSD_OK; + + err = m_out_elem.addElemType(pParamElem->getRootIndex(), OCSD_GEN_TRC_ELEM_CYCLE_COUNT); + if (!err) + outElem().setCycleCount(pParamElem->getParam(0)); + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::addElemTS(TrcStackElemParam *pParamElem, bool withCC) +{ + ocsd_err_t err = OCSD_OK; + + err = m_out_elem.addElemType(pParamElem->getRootIndex(), OCSD_GEN_TRC_ELEM_TIMESTAMP); + if (!err) + { + outElem().timestamp = (uint64_t)(pParamElem->getParam(0)) | (((uint64_t)pParamElem->getParam(1)) << 32); + if (withCC) + outElem().setCycleCount(pParamElem->getParam(2)); + } + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::addElemEvent(TrcStackElemParam *pParamElem) +{ + ocsd_err_t err = OCSD_OK; + + err = m_out_elem.addElemType(pParamElem->getRootIndex(), OCSD_GEN_TRC_ELEM_EVENT); + if (!err) + { + outElem().trace_event.ev_type = EVENT_NUMBERED; + outElem().trace_event.ev_number = pParamElem->getParam(0); + } + return err; +} + +void TrcPktDecodeEtmV4I::setElemTraceRange(OcsdTraceElement &elemIn, const instr_range_t &addr_range, + const bool executed, ocsd_trc_index_t index) +{ + setElemTraceRangeInstr(elemIn, addr_range, executed, index, m_instr_info); +} + +void TrcPktDecodeEtmV4I::setElemTraceRangeInstr(OcsdTraceElement &elemIn, const instr_range_t &addr_range, + const bool executed, ocsd_trc_index_t index, ocsd_instr_info &instr) +{ + elemIn.setType(OCSD_GEN_TRC_ELEM_INSTR_RANGE); + elemIn.setLastInstrInfo(executed, instr.type, instr.sub_type, instr.instr_size); + elemIn.setISA(instr.isa); + elemIn.setLastInstrCond(instr.is_conditional); + elemIn.setAddrRange(addr_range.st_addr, addr_range.en_addr, addr_range.num_instr); + if (executed) + instr.isa = instr.next_isa; +} + +ocsd_err_t TrcPktDecodeEtmV4I::processAtom(const ocsd_atm_val atom) +{ + ocsd_err_t err; + TrcStackElem *pElem = m_P0_stack.back(); // get the atom element + WP_res_t WPRes; + instr_range_t addr_range; + bool ETE_ERET = false; + + // new element for this processed atom + if ((err = m_out_elem.addElem(pElem->getRootIndex())) != OCSD_OK) + return err; + + err = traceInstrToWP(addr_range, WPRes); + if(err != OCSD_OK) + { + if(err == OCSD_ERR_UNSUPPORTED_ISA) + { + m_need_addr = true; + m_need_ctxt = true; + LogError(ocsdError(OCSD_ERR_SEV_WARN,err,pElem->getRootIndex(),m_CSID,"Warning: unsupported instruction set processing atom packet.")); + // wait for next context + return OCSD_OK; + } + else + { + err = handlePacketSeqErr(err, pElem->getRootIndex(), "Error processing atom packet."); + //LogError(ocsdError(OCSD_ERR_SEV_ERROR,err,pElem->getRootIndex(),m_CSID,"Error processing atom packet.")); + return err; + } + } + + if(WPFound(WPRes)) + { + // save recorded next instuction address + ocsd_vaddr_t nextAddr = m_instr_info.instr_addr; + + // action according to waypoint type and atom value + switch(m_instr_info.type) + { + case OCSD_INSTR_BR: + if (atom == ATOM_E) + { + m_instr_info.instr_addr = m_instr_info.branch_addr; + if (m_instr_info.is_link) + m_return_stack.push(nextAddr, m_instr_info.isa); + + } + break; + + case OCSD_INSTR_BR_INDIRECT: + if (atom == ATOM_E) + { + m_need_addr = true; // indirect branch taken - need new address. + if (m_instr_info.is_link) + m_return_stack.push(nextAddr,m_instr_info.isa); + m_return_stack.set_pop_pending(); // need to know next packet before we know what is to happen + + /* ETE does not have ERET trace packets - however to maintain the illusion if we see an ERET + output a gen elem ERET packet */ + if (isETEConfig() && (m_instr_info.sub_type == OCSD_S_INSTR_V8_ERET)) + ETE_ERET = true; + } + break; + } + setElemTraceRange(outElem(), addr_range, (atom == ATOM_E), pElem->getRootIndex()); + + if (ETE_ERET) + { + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_EXCEPTION_RET); + if (err) + return err; + } + } + else + { + // no waypoint - likely inaccessible memory range. + m_need_addr = true; // need an address update + + if(addr_range.st_addr != addr_range.en_addr) + { + // some trace before we were out of memory access range + setElemTraceRange(outElem(), addr_range, true, pElem->getRootIndex()); + + // another element for the nacc... + if (WPNacc(WPRes)) + err = m_out_elem.addElem(pElem->getRootIndex()); + } + + if(WPNacc(WPRes) && !err) + { + outElem().setType(OCSD_GEN_TRC_ELEM_ADDR_NACC); + outElem().st_addr = m_instr_info.instr_addr; + } + } + return err; +} + +// Exception processor +ocsd_err_t TrcPktDecodeEtmV4I::processException() +{ + ocsd_err_t err; + TrcStackElem *pElem = 0; + TrcStackElemExcept *pExceptElem = 0; + TrcStackElemAddr *pAddressElem = 0; + TrcStackElemCtxt *pCtxtElem = 0; + bool branch_target = false; // exception address implies prior branch target address + ocsd_vaddr_t excep_ret_addr = 0; + ocsd_trc_index_t excep_pkt_index; + WP_res_t WPRes = WP_NOT_FOUND; + bool ETE_resetPkt = false; + + // grab the exception element off the stack + pExceptElem = dynamic_cast<TrcStackElemExcept *>(m_P0_stack.back()); // get the exception element + excep_pkt_index = pExceptElem->getRootIndex(); + branch_target = pExceptElem->getPrevSame(); + if (pExceptElem->getRootPkt() == ETE_PKT_I_PE_RESET) + ETE_resetPkt = true; + m_P0_stack.pop_back(); // remove the exception element + + // ETE reset has no follow up address, the rest of the exceptions do.... + if (!ETE_resetPkt) + { + pElem = m_P0_stack.back(); // look at next element. + if (pElem->getP0Type() == P0_CTXT) + { + pCtxtElem = dynamic_cast<TrcStackElemCtxt *>(pElem); + m_P0_stack.pop_back(); // remove the context element + pElem = m_P0_stack.back(); // next one should be an address element + } + + if (pElem->getP0Type() != P0_ADDR) + { + // no following address element - indicate processing error. + + err = handlePacketSeqErr(OCSD_ERR_BAD_PACKET_SEQ, m_index_curr_pkt, "Address missing in exception packet."); + //LogError(ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_BAD_PACKET_SEQ, excep_pkt_index, m_CSID, "Address missing in exception packet.")); + return err; + } + else + { + // extract address + pAddressElem = static_cast<TrcStackElemAddr *>(pElem); + excep_ret_addr = pAddressElem->getAddr().val; + + // see if there is an address + optional context element implied + // prior to the exception. + if (branch_target) + { + // this was a branch target address - update current setting + bool b64bit = m_instr_info.isa == ocsd_isa_aarch64; + if (pCtxtElem) { + b64bit = pCtxtElem->getContext().SF; + } + + // as the exception address was also a branch target address then update the + // current maintained address value. This also means that there is no range to + // output before the exception packet. + m_instr_info.instr_addr = excep_ret_addr; + m_instr_info.isa = (pAddressElem->getAddr().isa == 0) ? + (b64bit ? ocsd_isa_aarch64 : ocsd_isa_arm) : ocsd_isa_thumb2; + m_need_addr = false; + } + } + } + + // need to output something - set up an element + if ((err = m_out_elem.addElem(excep_pkt_index))) + return err; + + // output a context element if present + if (pCtxtElem) + { + updateContext(pCtxtElem, outElem()); + + // used the element - need another for later stages + if ((err = m_out_elem.addElem(excep_pkt_index))) + return err; + } + + if (!ETE_resetPkt) + { + // if the preferred return address is not the end of the last output range... + if (m_instr_info.instr_addr != excep_ret_addr) + { + bool range_out = false; + instr_range_t addr_range; + + // look for match to return address. + err = traceInstrToWP(addr_range, WPRes, true, excep_ret_addr); + + if (err != OCSD_OK) + { + if (err == OCSD_ERR_UNSUPPORTED_ISA) + { + m_need_addr = true; + m_need_ctxt = true; + LogError(ocsdError(OCSD_ERR_SEV_WARN, err, excep_pkt_index, m_CSID, "Warning: unsupported instruction set processing exception packet.")); + } + else + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, excep_pkt_index, m_CSID, "Error processing exception packet.")); + } + return err; + } + + if (WPFound(WPRes)) + { + // waypoint address found - output range + setElemTraceRange(outElem(), addr_range, true, excep_pkt_index); + range_out = true; + } + else + { + // no waypoint - likely inaccessible memory range. + m_need_addr = true; // need an address update + + if (addr_range.st_addr != addr_range.en_addr) + { + // some trace before we were out of memory access range + setElemTraceRange(outElem(), addr_range, true, excep_pkt_index); + range_out = true; + } + } + + // used the element need another for NACC or EXCEP. + if (range_out) + { + if ((err = m_out_elem.addElem(excep_pkt_index))) + return err; + } + } + + // watchpoint walk resulted in inaccessible memory call... + if (WPNacc(WPRes)) + { + + outElem().setType(OCSD_GEN_TRC_ELEM_ADDR_NACC); + outElem().st_addr = m_instr_info.instr_addr; + + // used the element - need another for the final exception packet. + if ((err = m_out_elem.addElem(excep_pkt_index))) + return err; + } + } + + // output exception element. + outElem().setType(OCSD_GEN_TRC_ELEM_EXCEPTION); + + // add end address as preferred return address to end addr in element + outElem().en_addr = excep_ret_addr; + outElem().excep_ret_addr = 1; + outElem().excep_ret_addr_br_tgt = branch_target; + outElem().exception_number = pExceptElem->getExcepNum(); + + m_P0_stack.delete_popped(); // clear the used elements from the stack + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::processQElement() +{ + ocsd_err_t err = OCSD_OK; + TrcStackQElem *pQElem; + etmv4_addr_val_t QAddr; // address where trace restarts + int iCount = 0; + + pQElem = dynamic_cast<TrcStackQElem *>(m_P0_stack.back()); // get the exception element + m_P0_stack.pop_back(); // remove the Q element. + + if (!pQElem->hasAddr()) // no address - it must be next on the stack.... + { + TrcStackElemAddr *pAddressElem = 0; + TrcStackElemCtxt *pCtxtElem = 0; + TrcStackElem *pElem = 0; + + pElem = m_P0_stack.back(); // look at next element. + if (pElem->getP0Type() == P0_CTXT) + { + pCtxtElem = dynamic_cast<TrcStackElemCtxt *>(pElem); + m_P0_stack.pop_back(); // remove the context element + pElem = m_P0_stack.back(); // next one should be an address element + } + + if (pElem->getP0Type() != P0_ADDR) + { + // no following address element - indicate processing error. + err = OCSD_ERR_BAD_PACKET_SEQ; + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pQElem->getRootIndex(), m_CSID, "Address missing in Q packet.")); + m_P0_stack.delete_popped(); + return err; + } + pAddressElem = dynamic_cast<TrcStackElemAddr *>(pElem); + QAddr = pAddressElem->getAddr(); + m_P0_stack.pop_back(); // remove the address element + m_P0_stack.delete_popped(); // clear used elements + + // return the context element for processing next time. + if (pCtxtElem) + { + // need a new copy at the back - old one will be deleted as popped. + m_P0_stack.createContextElem(pCtxtElem->getRootPkt(), pCtxtElem->getRootIndex(), pCtxtElem->getContext(),true); + } + } + else + QAddr = pQElem->getAddr(); + + // process the Q element with address. + iCount = pQElem->getInstrCount(); + + bool isBranch = false; + + // need to output something - set up an element + if ((err = m_out_elem.addElem(pQElem->getRootIndex()))) + return err; + + instr_range_t addr_range; + addr_range.st_addr = addr_range.en_addr = m_instr_info.instr_addr; + addr_range.num_instr = 0; + + // walk iCount instructions + for (int i = 0; i < iCount; i++) + { + uint32_t opcode; + uint32_t bytesReq = 4; + + err = accessMemory(m_instr_info.instr_addr, getCurrMemSpace(), &bytesReq, (uint8_t *)&opcode); + if (err != OCSD_OK) break; + + if (bytesReq == 4) // got data back + { + m_instr_info.opcode = opcode; + err = instrDecode(&m_instr_info); + if (err != OCSD_OK) break; + + // increment address - may be adjusted by direct branch value later + m_instr_info.instr_addr += m_instr_info.instr_size; + addr_range.num_instr++; + + isBranch = (m_instr_info.type == OCSD_INSTR_BR) || + (m_instr_info.type == OCSD_INSTR_BR_INDIRECT); + + // on a branch no way of knowing if taken - bail out + if (isBranch) + break; + } + else + break; // missing memory + + } + + if (err == OCSD_OK) + { + bool inCompleteRange = true; + if (iCount && (addr_range.num_instr == (unsigned)iCount)) + { + if ((m_instr_info.instr_addr == QAddr.val) || // complete range + (isBranch)) // or ends on branch - only way we know if branch taken. + { + // output a range and continue + inCompleteRange = false; + // update the range decoded address in the output packet. + addr_range.en_addr = m_instr_info.instr_addr; + setElemTraceRange(outElem(), addr_range, true, pQElem->getRootIndex()); + } + } + + if (inCompleteRange) + { + // unknown instructions executed. + addr_range.en_addr = QAddr.val; + addr_range.num_instr = iCount; + + outElem().setType(OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH); + outElem().setAddrRange(addr_range.st_addr, addr_range.en_addr, addr_range.num_instr); + outElem().setISA(calcISA(m_is_64bit, QAddr.isa)); + } + + // after the Q element, tracing resumes at the address supplied + SetInstrInfoInAddrISA(QAddr.val, QAddr.isa); + m_need_addr = false; + } + else + { + // output error and halt decode. + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pQElem->getRootIndex(), m_CSID, "Error processing Q packet")); + } + m_P0_stack.delete_popped(); + return err; +} + +ocsd_err_t TrcPktDecodeEtmV4I::processSourceAddress() +{ + ocsd_err_t err = OCSD_OK; + TrcStackElemAddr *pElem = dynamic_cast<TrcStackElemAddr *>(m_P0_stack.back()); // get the address element + etmv4_addr_val_t srcAddr = pElem->getAddr(); + uint32_t opcode, bytesReq = 4; + ocsd_vaddr_t currAddr = m_instr_info.instr_addr; // get the latest decoded address. + instr_range_t out_range; + bool bSplitRangeOnN = getComponentOpMode() & ETE_OPFLG_PKTDEC_SRCADDR_N_ATOMS ? true : false; + + // check we can read instruction @ source address + err = accessMemory(srcAddr.val, getCurrMemSpace(), &bytesReq, (uint8_t *)&opcode); + if (err != OCSD_OK) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pElem->getRootIndex(), m_CSID, "Mem access error processing source address packet.")); + return err; + } + + if (bytesReq != 4) + { + // can't access - no bytes returned - output nacc. + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_ADDR_NACC); + outElem().setAddrStart(srcAddr.val); + return err; + } + + // analyze opcode @ source address. + m_instr_info.opcode = opcode; + m_instr_info.instr_addr = srcAddr.val; + err = instrDecode(&m_instr_info); + if (err != OCSD_OK) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pElem->getRootIndex(), m_CSID, "Instruction decode error processing source address packet.")); + return err; + } + m_instr_info.instr_addr += m_instr_info.instr_size; + + // initial instruction count for the range. + out_range.num_instr = 1; + + // calculate range traced... + if (m_need_addr || (currAddr > srcAddr.val)) + { + // we were waiting for a target address, or missing trace + // that indicates how we got to the source address. + m_need_addr = false; + out_range.st_addr = srcAddr.val; + } + else + out_range.st_addr = currAddr; + out_range.en_addr = m_instr_info.instr_addr; + + // count instructions + if (out_range.en_addr - out_range.st_addr > m_instr_info.instr_size) + { + if ((m_instr_info.isa != ocsd_isa_thumb2) && !bSplitRangeOnN) + { + // all 4 byte instructions - just calculate... + out_range.num_instr = (uint32_t)(out_range.en_addr - out_range.st_addr) / 4; + } + else + { + // need to count T32 - 2 or 4 byte instructions or we are spotting N atoms + ocsd_instr_info instr; // going back to start of range so make a copy of info. + bool bMemAccErr = false; + + instr.instr_addr = out_range.st_addr; + instr.isa = m_instr_info.isa; + instr.pe_type = m_instr_info.pe_type; + instr.dsb_dmb_waypoints = m_instr_info.dsb_dmb_waypoints; + instr.wfi_wfe_branch = m_instr_info.wfi_wfe_branch; + out_range.num_instr = 0; + + while ((instr.instr_addr < out_range.en_addr) && !bMemAccErr) + { + bytesReq = 4; + err = accessMemory(instr.instr_addr, getCurrMemSpace(), &bytesReq, (uint8_t *)&opcode); + if (err != OCSD_OK) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pElem->getRootIndex(), m_CSID, "Mem access error processing source address packet.")); + return err; + } + + if (bytesReq == 4) + { + instr.opcode = opcode; + err = instrDecode(&instr); + if (err != OCSD_OK) + { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, err, pElem->getRootIndex(), m_CSID, "Instruction decode error processing source address packet.")); + return err; + } + + instr.instr_addr += instr.instr_size; + out_range.num_instr++; + + /* if we are doing N atom ranges ...*/ + if (bSplitRangeOnN && (instr.instr_addr < out_range.en_addr)) + { + if (instr.type != OCSD_INSTR_OTHER) + { + instr_range_t mid_range = out_range; + mid_range.en_addr = instr.instr_addr; + + err = m_out_elem.addElem(pElem->getRootIndex()); + if (err) + return err; + setElemTraceRangeInstr(outElem(), mid_range, false, pElem->getRootIndex(), instr); + + out_range.st_addr = mid_range.en_addr; + out_range.num_instr = 0; + } + } + } + else + { + // something inaccessible between last and current... + bMemAccErr = true; + + err = m_out_elem.addElemType(pElem->getRootIndex(), OCSD_GEN_TRC_ELEM_ADDR_NACC); + if (err) + return err; + outElem().setAddrStart(srcAddr.val); + + // force range to the one instruction + out_range.num_instr = 1; + out_range.st_addr = srcAddr.val; + out_range.en_addr = m_instr_info.instr_addr; // instr after the decoded instruction @ srcAddr. + } + } + } + } + + // got to the source address - output trace range, and instruction as E atom. + switch (m_instr_info.type) + { + case OCSD_INSTR_BR: + if (m_instr_info.is_link) + m_return_stack.push(m_instr_info.instr_addr, m_instr_info.isa); + m_instr_info.instr_addr = m_instr_info.branch_addr; + break; + + case OCSD_INSTR_BR_INDIRECT: + m_need_addr = true; // indirect branch taken - need new address. + if (m_instr_info.is_link) + m_return_stack.push(m_instr_info.instr_addr, m_instr_info.isa); + m_return_stack.set_pop_pending(); // need to know next packet before we know what is to happen + break; + } + m_instr_info.isa = m_instr_info.next_isa; + + // set the trace range element. + m_out_elem.addElem(pElem->getRootIndex()); + setElemTraceRange(outElem(), out_range, true, pElem->getRootIndex()); + return err; +} + +void TrcPktDecodeEtmV4I::SetInstrInfoInAddrISA(const ocsd_vaddr_t addr_val, const uint8_t isa) +{ + m_instr_info.instr_addr = addr_val; + m_instr_info.isa = calcISA(m_is_64bit, isa); +} + +// trace an instruction range to a waypoint - and set next address to restart from. +ocsd_err_t TrcPktDecodeEtmV4I::traceInstrToWP(instr_range_t &range, WP_res_t &WPRes, const bool traceToAddrNext /*= false*/, const ocsd_vaddr_t nextAddrMatch /*= 0*/) +{ + uint32_t opcode; + uint32_t bytesReq; + ocsd_err_t err = OCSD_OK; + + range.st_addr = range.en_addr = m_instr_info.instr_addr; + range.num_instr = 0; + + WPRes = WP_NOT_FOUND; + + while(WPRes == WP_NOT_FOUND) + { + // start off by reading next opcode; + bytesReq = 4; + err = accessMemory(m_instr_info.instr_addr, getCurrMemSpace(),&bytesReq,(uint8_t *)&opcode); + if(err != OCSD_OK) break; + + if(bytesReq == 4) // got data back + { + m_instr_info.opcode = opcode; + err = instrDecode(&m_instr_info); + if(err != OCSD_OK) break; + + // increment address - may be adjusted by direct branch value later + m_instr_info.instr_addr += m_instr_info.instr_size; + range.num_instr++; + + // either walking to match the next instruction address or a real watchpoint + if (traceToAddrNext) + { + if (m_instr_info.instr_addr == nextAddrMatch) + WPRes = WP_FOUND; + } + else if (m_instr_info.type != OCSD_INSTR_OTHER) + WPRes = WP_FOUND; + } + else + { + // not enough memory accessible. + WPRes = WP_NACC; + } + } + // update the range decoded address in the output packet. + range.en_addr = m_instr_info.instr_addr; + return err; +} + +void TrcPktDecodeEtmV4I::updateContext(TrcStackElemCtxt *pCtxtElem, OcsdTraceElement &elem) +{ + etmv4_context_t ctxt = pCtxtElem->getContext(); + + elem.setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + + // map to output element and local saved state. + m_is_64bit = (ctxt.SF != 0); + elem.context.bits64 = ctxt.SF; + m_is_secure = (ctxt.NS == 0); + if (ctxt.NSE) + elem.context.security_level = ctxt.NS ? ocsd_sec_realm : ocsd_sec_root; + else + elem.context.security_level = ctxt.NS ? ocsd_sec_nonsecure : ocsd_sec_secure; + elem.context.exception_level = (ocsd_ex_level)ctxt.EL; + elem.context.el_valid = 1; + if(ctxt.updated_c) + { + elem.context.ctxt_id_valid = 1; + m_context_id = elem.context.context_id = ctxt.ctxtID; + } + if(ctxt.updated_v) + { + elem.context.vmid_valid = 1; + m_vmid_id = elem.context.vmid = ctxt.VMID; + } + + // need to update ISA in case context follows address. + elem.isa = m_instr_info.isa = calcISA(m_is_64bit, pCtxtElem->getIS()); + m_need_ctxt = false; +} + +ocsd_err_t TrcPktDecodeEtmV4I::handleBadPacket(const char *reason, ocsd_trc_index_t index /* = OCSD_BAD_TRC_INDEX */) +{ + ocsd_err_severity_t sev = OCSD_ERR_SEV_WARN; + if (getComponentOpMode() & OCSD_OPFLG_PKTDEC_ERROR_BAD_PKTS) + sev = OCSD_ERR_SEV_ERROR; + + return handlePacketErr(OCSD_ERR_BAD_DECODE_PKT, sev, index, reason); +} + +ocsd_err_t TrcPktDecodeEtmV4I::handlePacketSeqErr(ocsd_err_t err, ocsd_trc_index_t index, const char *reason) +{ + return handlePacketErr(err, OCSD_ERR_SEV_ERROR, index, reason); +} + +ocsd_err_t TrcPktDecodeEtmV4I::handlePacketErr(ocsd_err_t err, ocsd_err_severity_t sev, ocsd_trc_index_t index, const char *reason) +{ + bool resetOnBadPackets = true; + + if(getComponentOpMode() & OCSD_OPFLG_PKTDEC_HALT_BAD_PKTS) + resetOnBadPackets = false; + + LogError(ocsdError(sev, err, index, getCoreSightTraceID(), reason)); + + if (resetOnBadPackets) + { + // switch to unsync - clear decode state + resetDecoder(); + m_curr_state = NO_SYNC; + m_unsync_eot_info = UNSYNC_BAD_PACKET; + err = OCSD_OK; + } + return err; + +} + + +inline ocsd_mem_space_acc_t TrcPktDecodeEtmV4I::getCurrMemSpace() +{ + static ocsd_mem_space_acc_t SMemSpace[] = { + OCSD_MEM_SPACE_EL1S, + OCSD_MEM_SPACE_EL1S, + OCSD_MEM_SPACE_EL2S, + OCSD_MEM_SPACE_EL3 + }; + + static ocsd_mem_space_acc_t NSMemSpace[] = { + OCSD_MEM_SPACE_EL1N, + OCSD_MEM_SPACE_EL1N, + OCSD_MEM_SPACE_EL2, + OCSD_MEM_SPACE_EL3 + }; + + /* if no valid EL value - just use S/NS */ + if (!outElem().context.el_valid) + return m_is_secure ? OCSD_MEM_SPACE_S : OCSD_MEM_SPACE_N; + + /* mem space according to EL + S/NS */ + int el = (int)(outElem().context.exception_level) & 0x3; + return m_is_secure ? SMemSpace[el] : NSMemSpace[el]; +} +/* End of File trc_pkt_decode_etmv4i.cpp */ diff --git a/decoder/source/etmv4/trc_pkt_elem_etmv4i.cpp b/decoder/source/etmv4/trc_pkt_elem_etmv4i.cpp new file mode 100644 index 0000000..b417540 --- /dev/null +++ b/decoder/source/etmv4/trc_pkt_elem_etmv4i.cpp @@ -0,0 +1,754 @@ +/* + * \file trc_pkt_elem_etmv4i.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <sstream> +#include <iomanip> + +#include "opencsd/etmv4/trc_pkt_elem_etmv4i.h" + +EtmV4ITrcPacket::EtmV4ITrcPacket() +{ + protocol_version = 0x42; // min protocol version. +} + +EtmV4ITrcPacket::~EtmV4ITrcPacket() +{ +} + +void EtmV4ITrcPacket::initStartState() +{ + // clear packet state to start of trace (first sync or post discontinuity) + + // clear all valid bits + pkt_valid.val = 0; + + // virtual address + v_addr.pkt_bits = 0; + v_addr.valid_bits = 0; + v_addr_ISA = 0; + + // timestamp + ts.bits_changed = 0; + ts.timestamp = 0; + + // per packet init + initNextPacket(); +} + +void EtmV4ITrcPacket::initNextPacket() +{ + // clear valid bits for elements that are only valid over a single packet. + pkt_valid.bits.cc_valid = 0; + pkt_valid.bits.commit_elem_valid = 0; + atom.num = 0; + context.updated = 0; + context.updated_v = 0; + context.updated_c = 0; + err_type = ETM4_PKT_I_NO_ERR_TYPE; +} + +// printing +void EtmV4ITrcPacket::toString(std::string &str) const +{ + const char *name; + const char *desc; + std::string valStr, ctxtStr = ""; + + name = packetTypeName(type, &desc); + str = name + (std::string)" : " + desc; + + // extended descriptions + switch (type) + { + case ETM4_PKT_I_BAD_SEQUENCE: + case ETM4_PKT_I_INCOMPLETE_EOT: + case ETM4_PKT_I_RESERVED_CFG: + name = packetTypeName(err_type, 0); + str += "[" + (std::string)name + "]"; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_32IS0: + case ETM4_PKT_I_ADDR_CTXT_L_32IS1: + contextStr(ctxtStr); + case ETM4_PKT_I_ADDR_L_32IS0: + case ETM4_PKT_I_ADDR_L_32IS1: + case ETE_PKT_I_SRC_ADDR_L_32IS0: + case ETE_PKT_I_SRC_ADDR_L_32IS1: + trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 32) ? v_addr.pkt_bits : 0); + str += "; Addr=" + valStr + "; " + ctxtStr; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_64IS0: + case ETM4_PKT_I_ADDR_CTXT_L_64IS1: + contextStr(ctxtStr); + case ETM4_PKT_I_ADDR_L_64IS0: + case ETM4_PKT_I_ADDR_L_64IS1: + case ETE_PKT_I_SRC_ADDR_L_64IS0: + case ETE_PKT_I_SRC_ADDR_L_64IS1: + trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 64) ? v_addr.pkt_bits : 0); + str += "; Addr=" + valStr + "; " + ctxtStr; + break; + + case ETM4_PKT_I_CTXT: + contextStr(ctxtStr); + str += "; " + ctxtStr; + break; + + case ETM4_PKT_I_ADDR_S_IS0: + case ETM4_PKT_I_ADDR_S_IS1: + case ETE_PKT_I_SRC_ADDR_S_IS0: + case ETE_PKT_I_SRC_ADDR_S_IS1: + trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, v_addr.pkt_bits); + str += "; Addr=" + valStr; + break; + + case ETM4_PKT_I_ADDR_MATCH: + case ETE_PKT_I_SRC_ADDR_MATCH: + addrMatchIdx(valStr); + str += ", " + valStr; + trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true); + str += "; Addr=" + valStr + "; " + ctxtStr; + break; + + case ETM4_PKT_I_ATOM_F1: + case ETM4_PKT_I_ATOM_F2: + case ETM4_PKT_I_ATOM_F3: + case ETM4_PKT_I_ATOM_F4: + case ETM4_PKT_I_ATOM_F5: + case ETM4_PKT_I_ATOM_F6: + atomSeq(valStr); + str += "; " + valStr; + break; + + case ETM4_PKT_I_EXCEPT: + exceptionInfo(valStr); + str += "; " + valStr; + break; + + case ETM4_PKT_I_TIMESTAMP: + { + std::ostringstream oss; + oss << "; Updated val = " << std::hex << "0x" << ts.timestamp; + if (pkt_valid.bits.cc_valid) + oss << "; CC=" << std::hex << "0x" << cycle_count; + str += oss.str(); + } + break; + + case ETM4_PKT_I_TRACE_INFO: + { + std::ostringstream oss; + oss << "; INFO=" << std::hex << "0x" << trace_info.val; + oss << " { CC." << std::dec << trace_info.bits.cc_enabled; + if (isETE()) + oss << ", TSTATE." << std::dec << trace_info.bits.in_trans_state; + oss << " }"; + if (trace_info.bits.cc_enabled) + oss << "; CC_THRESHOLD=" << std::hex << "0x" << cc_threshold; + str += oss.str(); + } + break; + + case ETM4_PKT_I_CCNT_F1: + case ETM4_PKT_I_CCNT_F2: + case ETM4_PKT_I_CCNT_F3: + { + std::ostringstream oss; + oss << "; Count=" << std::hex << "0x" << cycle_count; + str += oss.str(); + } + break; + + case ETM4_PKT_I_CANCEL_F1: + { + std::ostringstream oss; + oss << "; Cancel(" << std::dec << cancel_elements << ")"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_CANCEL_F1_MISPRED: + { + std::ostringstream oss; + oss << "; Cancel(" << std::dec << cancel_elements << "), Mispredict"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_MISPREDICT: + { + std::ostringstream oss; + oss << "; "; + if (atom.num) { + atomSeq(valStr); + oss << "Atom: " << valStr << ", "; + } + oss << "Mispredict"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_CANCEL_F2: + { + std::ostringstream oss; + oss << "; "; + if (atom.num) { + atomSeq(valStr); + oss << "Atom: " << valStr << ", "; + } + oss << "Cancel(1), Mispredict"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_CANCEL_F3: + { + std::ostringstream oss; + oss << "; "; + if (atom.num) { + oss << "Atom: E, "; + } + oss << "Cancel(" << std::dec << cancel_elements << "), Mispredict"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_COMMIT: + { + std::ostringstream oss; + oss << "; Commit(" << std::dec << commit_elements << ")"; + str += oss.str(); + } + break; + + case ETM4_PKT_I_Q: + { + std::ostringstream oss; + if (Q_pkt.count_present) + { + oss << "; Count(" << std::dec << Q_pkt.q_count << ")"; + str += oss.str(); + } + else + str += "; Count(Unknown)"; + + if (Q_pkt.addr_match) + { + addrMatchIdx(valStr); + str += "; " + valStr; + } + + if (Q_pkt.addr_present || Q_pkt.addr_match) + { + trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 64) ? v_addr.pkt_bits : 0); + str += "; Addr=" + valStr; + } + } + break; + } + +} + +void EtmV4ITrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const +{ + toString(str); // TBD add in formatted response. +} + +const char *EtmV4ITrcPacket::packetTypeName(const ocsd_etmv4_i_pkt_type type, const char **ppDesc) const +{ + const char *pName = "I_UNKNOWN"; + const char *pDesc = "Unknown Packet Header"; + + switch(type) + { + case ETM4_PKT_I_NOTSYNC: + pName = "I_NOT_SYNC"; + pDesc = "I Stream not synchronised"; + break; + + case ETM4_PKT_I_INCOMPLETE_EOT: + pName = "I_INCOMPLETE_EOT"; + pDesc = "Incomplete packet at end of trace."; + break; + + case ETM4_PKT_I_NO_ERR_TYPE: + pName = "I_NO_ERR_TYPE"; + pDesc = "No Error Type."; + break; + + case ETM4_PKT_I_BAD_SEQUENCE: + pName = "I_BAD_SEQUENCE"; + pDesc = "Invalid Sequence in packet."; + break; + + case ETM4_PKT_I_BAD_TRACEMODE: + pName = "I_BAD_TRACEMODE"; + pDesc = "Invalid Packet for trace mode."; + break; + + case ETM4_PKT_I_RESERVED: + pName = "I_RESERVED"; + pDesc = "Reserved Packet Header"; + break; + + case ETM4_PKT_I_RESERVED_CFG: + pName = "I_RESERVED_CFG"; + pDesc = "Reserved header for current configuration."; + break; + + case ETM4_PKT_I_EXTENSION: + pName = "I_EXTENSION"; + pDesc = "Extension packet header."; + break; + + case ETM4_PKT_I_TRACE_INFO: + pName = "I_TRACE_INFO"; + pDesc = "Trace Info."; + break; + + case ETM4_PKT_I_TIMESTAMP: + pName = "I_TIMESTAMP"; + pDesc = "Timestamp."; + break; + + case ETM4_PKT_I_TRACE_ON: + pName = "I_TRACE_ON"; + pDesc = "Trace On."; + break; + + case ETM4_PKT_I_FUNC_RET: + pName = "I_FUNC_RET"; + pDesc = "V8M - function return."; + break; + + case ETM4_PKT_I_EXCEPT: + pName = "I_EXCEPT"; + pDesc = "Exception."; + break; + + case ETM4_PKT_I_EXCEPT_RTN: + pName = "I_EXCEPT_RTN"; + pDesc = "Exception Return."; + break; + + case ETE_PKT_I_COMMIT_WIN_MV: + pName = "I_COMMIT_WIN_MV"; + pDesc = "Commit window move."; + break; + + case ETE_PKT_I_TRANS_ST: + pName = "I_TRANS_ST"; + pDesc = "Transaction Start."; + break; + + case ETE_PKT_I_TRANS_COMMIT: + pName = "I_TRANS_COMMIT"; + pDesc = "Transaction Commit."; + break; + + case ETM4_PKT_I_CCNT_F1: + pName = "I_CCNT_F1"; + pDesc = "Cycle Count format 1."; + break; + + case ETM4_PKT_I_CCNT_F2: + pName = "I_CCNT_F2"; + pDesc = "Cycle Count format 2."; + break; + + case ETM4_PKT_I_CCNT_F3: + pName = "I_CCNT_F3"; + pDesc = "Cycle Count format 3."; + break; + + case ETM4_PKT_I_NUM_DS_MKR: + pName = "I_NUM_DS_MKR"; + pDesc = "Data Synchronisation Marker - Numbered."; + break; + + case ETM4_PKT_I_UNNUM_DS_MKR: + pName = "I_UNNUM_DS_MKR"; + pDesc = "Data Synchronisation Marker - Unnumbered."; + break; + + case ETM4_PKT_I_COMMIT: + pName = "I_COMMIT"; + pDesc = "Commit"; + break; + + case ETM4_PKT_I_CANCEL_F1: + pName = "I_CANCEL_F1"; + pDesc = "Cancel Format 1."; + break; + + case ETM4_PKT_I_CANCEL_F1_MISPRED: + pName = "I_CANCEL_F1_MISPRED"; + pDesc = "Cancel Format 1 + Mispredict."; + break; + + + case ETM4_PKT_I_MISPREDICT: + pName = "I_MISPREDICT"; + pDesc = "Mispredict."; + break; + + case ETM4_PKT_I_CANCEL_F2: + pName = "I_CANCEL_F2"; + pDesc = "Cancel Format 2."; + break; + + case ETM4_PKT_I_CANCEL_F3: + pName = "I_CANCEL_F3"; + pDesc = "Cancel Format 3."; + break; + + case ETM4_PKT_I_COND_I_F2: + pName = "I_COND_I_F2"; + pDesc = "Conditional Instruction, format 2."; + break; + + case ETM4_PKT_I_COND_FLUSH: + pName = "I_COND_FLUSH"; + pDesc = "Conditional Flush."; + break; + + case ETM4_PKT_I_COND_RES_F4: + pName = "I_COND_RES_F4"; + pDesc = "Conditional Result, format 4."; + break; + + case ETM4_PKT_I_COND_RES_F2: + pName = "I_COND_RES_F2"; + pDesc = "Conditional Result, format 2."; + break; + + case ETM4_PKT_I_COND_RES_F3: + pName = "I_COND_RES_F3"; + pDesc = "Conditional Result, format 3."; + break; + + case ETM4_PKT_I_COND_RES_F1: + pName = "I_COND_RES_F1"; + pDesc = "Conditional Result, format 1."; + break; + + case ETM4_PKT_I_COND_I_F1: + pName = "I_COND_I_F1"; + pDesc = "Conditional Instruction, format 1."; + break; + + case ETM4_PKT_I_COND_I_F3: + pName = "I_COND_I_F3"; + pDesc = "Conditional Instruction, format 3."; + break; + + case ETM4_PKT_I_IGNORE: + pName = "I_IGNORE"; + pDesc = "Ignore."; + break; + + case ETM4_PKT_I_EVENT: + pName = "I_EVENT"; + pDesc = "Trace Event."; + break; + + case ETM4_PKT_I_CTXT: + pName = "I_CTXT"; + pDesc = "Context Packet."; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_32IS0: + pName = "I_ADDR_CTXT_L_32IS0"; + pDesc = "Address & Context, Long, 32 bit, IS0."; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_32IS1: + pName = "I_ADDR_CTXT_L_32IS1"; + pDesc = "Address & Context, Long, 32 bit, IS0."; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_64IS0: + pName = "I_ADDR_CTXT_L_64IS0"; + pDesc = "Address & Context, Long, 64 bit, IS0."; + break; + + case ETM4_PKT_I_ADDR_CTXT_L_64IS1: + pName = "I_ADDR_CTXT_L_64IS1"; + pDesc = "Address & Context, Long, 64 bit, IS1."; + break; + + case ETE_PKT_I_TS_MARKER: + pName = "I_TS_MARKER"; + pDesc = "Timestamp Marker"; + break; + + case ETM4_PKT_I_ADDR_MATCH: + pName = "I_ADDR_MATCH"; + pDesc = "Exact Address Match."; + break; + + case ETM4_PKT_I_ADDR_S_IS0: + pName = "I_ADDR_S_IS0"; + pDesc = "Address, Short, IS0."; + break; + + case ETM4_PKT_I_ADDR_S_IS1: + pName = "I_ADDR_S_IS1"; + pDesc = "Address, Short, IS1."; + break; + + case ETM4_PKT_I_ADDR_L_32IS0: + pName = "I_ADDR_L_32IS0"; + pDesc = "Address, Long, 32 bit, IS0."; + break; + + case ETM4_PKT_I_ADDR_L_32IS1: + pName = "I_ADDR_L_32IS1"; + pDesc = "Address, Long, 32 bit, IS1."; + break; + + case ETM4_PKT_I_ADDR_L_64IS0: + pName = "I_ADDR_L_64IS0"; + pDesc = "Address, Long, 64 bit, IS0."; + break; + + case ETM4_PKT_I_ADDR_L_64IS1: + pName = "I_ADDR_L_64IS1"; + pDesc = "Address, Long, 64 bit, IS1."; + break; + + case ETM4_PKT_I_Q: + pName = "I_Q"; + pDesc = "Q Packet."; + break; + + case ETE_PKT_I_SRC_ADDR_MATCH: + pName = "I_SRC_ADDR_MATCH"; + pDesc = "Exact Source Address Match."; + break; + + case ETE_PKT_I_SRC_ADDR_S_IS0: + pName = "I_SRC_ADDR_S_IS0"; + pDesc = "Source Address, Short, IS0."; + break; + + case ETE_PKT_I_SRC_ADDR_S_IS1: + pName = "I_SRC_ADDR_S_IS1"; + pDesc = "Source Address, Short, IS1."; + break; + + case ETE_PKT_I_SRC_ADDR_L_32IS0: + pName = "I_SCR_ADDR_L_32IS0"; + pDesc = "Source Address, Long, 32 bit, IS0."; + break; + + case ETE_PKT_I_SRC_ADDR_L_32IS1: + pName = "I_SRC_ADDR_L_32IS1"; + pDesc = "Source Address, Long, 32 bit, IS1."; + break; + + case ETE_PKT_I_SRC_ADDR_L_64IS0: + pName = "I_SRC_ADDR_L_64IS0"; + pDesc = "Source Address, Long, 64 bit, IS0."; + break; + + case ETE_PKT_I_SRC_ADDR_L_64IS1: + pName = "I_SRC_ADDR_L_64IS1"; + pDesc = "Source Address, Long, 64 bit, IS1."; + break; + + case ETM4_PKT_I_ATOM_F6: + pName = "I_ATOM_F6"; + pDesc = "Atom format 6."; + break; + + case ETM4_PKT_I_ATOM_F5: + pName = "I_ATOM_F5"; + pDesc = "Atom format 5."; + break; + + case ETM4_PKT_I_ATOM_F2: + pName = "I_ATOM_F2"; + pDesc = "Atom format 2."; + break; + + case ETM4_PKT_I_ATOM_F4: + pName = "I_ATOM_F4"; + pDesc = "Atom format 4."; + break; + + case ETM4_PKT_I_ATOM_F1: + pName = "I_ATOM_F1"; + pDesc = "Atom format 1."; + break; + + case ETM4_PKT_I_ATOM_F3: + pName = "I_ATOM_F3"; + pDesc = "Atom format 3."; + break; + + case ETM4_PKT_I_ASYNC: + pName = "I_ASYNC"; + pDesc = "Alignment Synchronisation."; + break; + + case ETM4_PKT_I_DISCARD: + pName = "I_DISCARD"; + pDesc = "Discard."; + break; + + case ETM4_PKT_I_OVERFLOW: + pName = "I_OVERFLOW"; + pDesc = "Overflow."; + break; + + case ETE_PKT_I_PE_RESET: + pName = "I_PE_RESET"; + pDesc = "PE Reset."; + break; + + case ETE_PKT_I_TRANS_FAIL: + pName = "I_TRANS_FAIL"; + pDesc = "Transaction Fail."; + break; + + default: + break; + } + + if(ppDesc) *ppDesc = pDesc; + return pName; +} + +void EtmV4ITrcPacket::contextStr(std::string &ctxtStr) const +{ + ctxtStr = ""; + if(pkt_valid.bits.context_valid) + { + std::ostringstream oss; + if(context.updated) + { + oss << "Ctxt: " << (context.SF ? "AArch64," : "AArch32, ") << "EL" << context.EL << ", " << (context.NS ? "NS; " : "S; "); + if(context.updated_c) + { + oss << "CID=0x" << std::hex << std::setfill('0') << std::setw(8) << context.ctxtID << "; "; + } + if(context.updated_v) + { + oss << "VMID=0x" << std::hex << std::setfill('0') << std::setw(4) << context.VMID << "; "; + } + } + else + { + oss << "Ctxt: Same"; + } + ctxtStr = oss.str(); + } +} + +void EtmV4ITrcPacket::atomSeq(std::string &valStr) const +{ + std::ostringstream oss; + uint32_t bitpattern = atom.En_bits; + for(int i = 0; i < atom.num; i++) + { + oss << ((bitpattern & 0x1) ? "E" : "N"); + bitpattern >>= 1; + } + valStr = oss.str(); +} + +void EtmV4ITrcPacket::addrMatchIdx(std::string &valStr) const +{ + std::ostringstream oss; + oss << "[" << (uint16_t)addr_exact_match_idx << "]"; + valStr = oss.str(); +} + +void EtmV4ITrcPacket::exceptionInfo(std::string &valStr) const +{ + std::ostringstream oss; + + static const char *ARv8Excep[] = { + "PE Reset", "Debug Halt", "Call", "Trap", + "System Error", "Reserved", "Inst Debug", "Data Debug", + "Reserved", "Reserved", "Alignment", "Inst Fault", + "Data Fault", "Reserved", "IRQ", "FIQ" + }; + + static const char *MExcep[] = { + "Reserved", "PE Reset", "NMI", "HardFault", + "MemManage", "BusFault", "UsageFault", "Reserved", + "Reserved","Reserved","Reserved","SVC", + "DebugMonitor", "Reserved","PendSV","SysTick", + "IRQ0","IRQ1","IRQ2","IRQ3", + "IRQ4","IRQ5","IRQ6","IRQ7", + "DebugHalt", "LazyFP Push", "Lockup", "Reserved", + "Reserved","Reserved","Reserved","Reserved" + }; + + if(exception_info.m_type == 0) + { + if(exception_info.exceptionType < 0x10) + oss << " " << ARv8Excep[exception_info.exceptionType] << ";"; + else + oss << " Reserved;"; + + } + else + { + if(exception_info.exceptionType < 0x20) + oss << " " << MExcep[exception_info.exceptionType] << ";"; + else if((exception_info.exceptionType >= 0x208) && (exception_info.exceptionType <= 0x3EF)) + oss << " IRQ" << (int)(exception_info.exceptionType - 0x200) << ";"; + else + oss << " Reserved;"; + if(exception_info.m_fault_pending) + oss << " Fault Pending;"; + } + + if(exception_info.addr_interp == 0x1) + oss << " Ret Addr Follows;"; + else if(exception_info.addr_interp == 0x2) + oss << " Ret Addr Follows, Match Prev;"; + + valStr = oss.str(); +} + +EtmV4ITrcPacket &EtmV4ITrcPacket::operator =(const ocsd_etmv4_i_pkt* p_pkt) +{ + *dynamic_cast<ocsd_etmv4_i_pkt *>(this) = *p_pkt; + return *this; +} + +/* End of File trc_pkt_elem_etmv4i.cpp */ diff --git a/decoder/source/etmv4/trc_pkt_proc_etmv4i.cpp b/decoder/source/etmv4/trc_pkt_proc_etmv4i.cpp new file mode 100644 index 0000000..d0573d6 --- /dev/null +++ b/decoder/source/etmv4/trc_pkt_proc_etmv4i.cpp @@ -0,0 +1,1778 @@ +/* + * \file trc_pkt_proc_etmv4i.cpp + * \brief OpenCSD : Packet processor for ETMv4 + * + * \copyright Copyright (c) 2015, 2019, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/etmv4/trc_pkt_proc_etmv4.h" +#include "common/ocsd_error.h" + +#ifdef __GNUC__ + // G++ doesn't like the ## pasting +#define ETMV4I_PKTS_NAME "PKTP_ETMV4I" +#else + // VC++ is fine +#define ETMV4I_PKTS_NAME OCSD_CMPNAME_PREFIX_PKTPROC##"_ETMV4I" +#endif + +static const uint32_t ETMV4_SUPPORTED_OP_FLAGS = OCSD_OPFLG_PKTPROC_COMMON; + +// test defines - if testing with ETMv4 sources, disable error on ERET. +// #define ETE_TRACE_ERET_AS_IGNORE + +/* trace etmv4 packet processing class */ +TrcPktProcEtmV4I::TrcPktProcEtmV4I() : TrcPktProcBase(ETMV4I_PKTS_NAME), + m_isInit(false), + m_first_trace_info(false) +{ + m_supported_op_flags = ETMV4_SUPPORTED_OP_FLAGS; +} + +TrcPktProcEtmV4I::TrcPktProcEtmV4I(int instIDNum) : TrcPktProcBase(ETMV4I_PKTS_NAME, instIDNum), + m_isInit(false), + m_first_trace_info(false) +{ + m_supported_op_flags = ETMV4_SUPPORTED_OP_FLAGS; +} + + +TrcPktProcEtmV4I::~TrcPktProcEtmV4I() +{ +} + +ocsd_err_t TrcPktProcEtmV4I::onProtocolConfig() +{ + InitProcessorState(); + m_config = *TrcPktProcBase::getProtocolConfig(); + BuildIPacketTable(); // packet table based on config + m_curr_packet.setProtocolVersion(m_config.FullVersion()); + m_isInit = true; + statsInit(); + return OCSD_OK; +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + if (!m_isInit) + return OCSD_RESP_FATAL_NOT_INIT; + + m_trcIn.init(dataBlockSize, pDataBlock, &m_currPacketData); + m_blockIndex = index; + bool done = false; + uint8_t nextByte; + + do + { + try + { + while ( (!m_trcIn.empty() || (m_process_state == SEND_PKT)) && + OCSD_DATA_RESP_IS_CONT(resp) + ) + { + switch (m_process_state) + { + case PROC_HDR: + m_packet_index = m_blockIndex + m_trcIn.processed(); + if (m_is_sync) + { + nextByte = m_trcIn.peekNextByte(); + m_pIPktFn = m_i_table[nextByte].pptkFn; + m_curr_packet.type = m_i_table[nextByte].pkt_type; + } + else + { + // unsynced - process data until we see a sync point + m_pIPktFn = &TrcPktProcEtmV4I::iNotSync; + m_curr_packet.type = ETM4_PKT_I_NOTSYNC; + } + m_process_state = PROC_DATA; + + case PROC_DATA: + // loop till full packet or no more data... + while (!m_trcIn.empty() && (m_process_state == PROC_DATA)) + { + nextByte = m_trcIn.peekNextByte(); + m_trcIn.copyByteToPkt(); // move next byte into the packet + (this->*m_pIPktFn)(nextByte); + } + break; + + case SEND_PKT: + resp = outputPacket(); + InitPacketState(); + m_process_state = PROC_HDR; + break; + + case SEND_UNSYNCED: + resp = outputUnsyncedRawPacket(); + if (m_update_on_unsync_packet_index != 0) + { + m_packet_index = m_update_on_unsync_packet_index; + m_update_on_unsync_packet_index = 0; + } + m_process_state = PROC_DATA; // after dumping unsynced data, still in data mode. + break; + } + } + done = true; + } + catch(ocsdError &err) + { + done = true; + LogError(err); + if( (err.getErrorCode() == OCSD_ERR_BAD_PACKET_SEQ) || + (err.getErrorCode() == OCSD_ERR_INVALID_PCKT_HDR)) + { + // send invalid packets up the pipe to let the next stage decide what to do. + if (err.getErrorCode() == OCSD_ERR_INVALID_PCKT_HDR) + statsAddBadHdrCount(1); + else + statsAddBadSeqCount(1); + m_process_state = SEND_PKT; + done = false; + } + else + { + // bail out on any other error. + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + } + catch(...) + { + done = true; + /// vv bad at this point. + resp = OCSD_RESP_FATAL_SYS_ERR; + const ocsdError &fatal = ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_packet_index,m_config.getTraceID(),"Unknown System Error decoding trace."); + LogError(fatal); + } + } while (!done); + + statsAddTotalCount(m_trcIn.processed()); + *numBytesProcessed = m_trcIn.processed(); + return resp; +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + if (!m_isInit) + return OCSD_RESP_FATAL_NOT_INIT; + + // if we have a partial packet then send to attached sinks + if(m_currPacketData.size() != 0) + { + m_curr_packet.updateErrType(ETM4_PKT_I_INCOMPLETE_EOT); + resp = outputPacket(); + InitPacketState(); + } + return resp; +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::onReset() +{ + if (!m_isInit) + return OCSD_RESP_FATAL_NOT_INIT; + + // prepare for new decoding session + InitProcessorState(); + return OCSD_RESP_CONT; +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::onFlush() +{ + if (!m_isInit) + return OCSD_RESP_FATAL_NOT_INIT; + + // packet processor never holds on to flushable data (may have partial packet, + // but any full packets are immediately sent) + return OCSD_RESP_CONT; +} + +void TrcPktProcEtmV4I::InitPacketState() +{ + m_currPacketData.clear(); + m_curr_packet.initNextPacket(); // clear for next packet. + m_update_on_unsync_packet_index = 0; +} + +void TrcPktProcEtmV4I::InitProcessorState() +{ + InitPacketState(); + m_pIPktFn = &TrcPktProcEtmV4I::iNotSync; + m_packet_index = 0; + m_is_sync = false; + m_first_trace_info = false; + m_sent_notsync_packet = false; + m_process_state = PROC_HDR; + m_curr_packet.initStartState(); +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::outputPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + resp = outputOnAllInterfaces(m_packet_index,&m_curr_packet,&m_curr_packet.type,m_currPacketData); + return resp; +} + +ocsd_datapath_resp_t TrcPktProcEtmV4I::outputUnsyncedRawPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + statsAddUnsyncCount(m_dump_unsynced_bytes); + outputRawPacketToMonitor(m_packet_index,&m_curr_packet,m_dump_unsynced_bytes,&m_currPacketData[0]); + + if(!m_sent_notsync_packet) + { + resp = outputDecodedPacket(m_packet_index,&m_curr_packet); + m_sent_notsync_packet = true; + } + + if(m_currPacketData.size() <= m_dump_unsynced_bytes) + m_currPacketData.clear(); + else + m_currPacketData.erase(m_currPacketData.begin(),m_currPacketData.begin()+m_dump_unsynced_bytes); + + return resp; +} + +void TrcPktProcEtmV4I::iNotSync(const uint8_t lastByte) +{ + // is it an extension byte? + if (lastByte == 0x00) // TBD : add check for forced sync in here? + { + if (m_currPacketData.size() > 1) + { + m_dump_unsynced_bytes = m_currPacketData.size() - 1; + m_process_state = SEND_UNSYNCED; + // outputting some data then update packet index after so output indexes accurate + m_update_on_unsync_packet_index = m_blockIndex + m_trcIn.processed() - 1; + } + else + m_packet_index = m_blockIndex + m_trcIn.processed() - 1; // set it up now otherwise. + + m_pIPktFn = m_i_table[lastByte].pptkFn; + } + else if (m_currPacketData.size() >= 8) + { + m_dump_unsynced_bytes = m_currPacketData.size(); + m_process_state = SEND_UNSYNCED; + // outputting some data then update packet index after so output indexes accurate + m_update_on_unsync_packet_index = m_blockIndex + m_trcIn.processed(); + } +} + +void TrcPktProcEtmV4I::iPktNoPayload(const uint8_t lastByte) +{ + // some expansion may be required... + switch(m_curr_packet.type) + { + case ETM4_PKT_I_ADDR_MATCH: + case ETE_PKT_I_SRC_ADDR_MATCH: + m_curr_packet.setAddressExactMatch(lastByte & 0x3); + break; + + case ETM4_PKT_I_EVENT: + m_curr_packet.setEvent(lastByte & 0xF); + break; + + case ETM4_PKT_I_NUM_DS_MKR: + case ETM4_PKT_I_UNNUM_DS_MKR: + m_curr_packet.setDataSyncMarker(lastByte & 0x7); + break; + + // these just need the packet type - no processing required. + case ETM4_PKT_I_COND_FLUSH: + case ETM4_PKT_I_EXCEPT_RTN: + case ETM4_PKT_I_TRACE_ON: + case ETM4_PKT_I_FUNC_RET: + case ETE_PKT_I_TRANS_ST: + case ETE_PKT_I_TRANS_COMMIT: + case ETM4_PKT_I_IGNORE: + default: break; + } + m_process_state = SEND_PKT; // now just send it.... +} + +void TrcPktProcEtmV4I::iPktReserved(const uint8_t lastByte) +{ + m_curr_packet.updateErrType(ETM4_PKT_I_RESERVED, lastByte); // swap type for err type + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_INVALID_PCKT_HDR,m_packet_index,m_config.getTraceID()); +} + +void TrcPktProcEtmV4I::iPktInvalidCfg(const uint8_t lastByte) +{ + m_curr_packet.updateErrType(ETM4_PKT_I_RESERVED_CFG, lastByte); // swap type for err type + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_INVALID_PCKT_HDR, m_packet_index, m_config.getTraceID()); +} + +void TrcPktProcEtmV4I::iPktExtension(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 2) + { + // not sync and not next by 0x00 - not sync sequence + if(!m_is_sync && (lastByte != 0x00)) + { + m_pIPktFn = &TrcPktProcEtmV4I::iNotSync; + m_curr_packet.type = ETM4_PKT_I_NOTSYNC; + return; + } + + switch(lastByte) + { + case 0x03: // discard packet. + m_curr_packet.type = ETM4_PKT_I_DISCARD; + m_process_state = SEND_PKT; + break; + + case 0x05: + m_curr_packet.type = ETM4_PKT_I_OVERFLOW; + m_process_state = SEND_PKT; + break; + + case 0x00: + m_curr_packet.type = ETM4_PKT_I_ASYNC; + m_pIPktFn = &TrcPktProcEtmV4I::iPktASync; // handle subsequent bytes as async + break; + + default: + m_curr_packet.err_type = m_curr_packet.type; + m_curr_packet.type = ETM4_PKT_I_BAD_SEQUENCE; + m_process_state = SEND_PKT; + break; + } + } +} + +void TrcPktProcEtmV4I::iPktASync(const uint8_t lastByte) +{ + if(lastByte != 0x00) + { + // not sync and not next by 0x00 - not sync sequence if < 12 + if(!m_is_sync && m_currPacketData.size() != 12) + { + m_pIPktFn = &TrcPktProcEtmV4I::iNotSync; + m_curr_packet.type = ETM4_PKT_I_NOTSYNC; + return; + } + + // 12 bytes and not valid sync sequence - not possible even if not synced + m_process_state = SEND_PKT; + if((m_currPacketData.size() != 12) || (lastByte != 0x80)) + { + m_curr_packet.type = ETM4_PKT_I_BAD_SEQUENCE; + m_curr_packet.err_type = ETM4_PKT_I_ASYNC; + } + else + m_is_sync = true; // found a sync packet, mark decoder as synchronised. + } + else if(m_currPacketData.size() == 12) + { + if(!m_is_sync) + { + // if we are not yet synced then ignore extra leading 0x00. + m_dump_unsynced_bytes = 1; + m_process_state = SEND_UNSYNCED; + } + else + { + // bad periodic ASYNC sequence. + m_curr_packet.type = ETM4_PKT_I_BAD_SEQUENCE; + m_curr_packet.err_type = ETM4_PKT_I_ASYNC; + m_process_state = SEND_PKT; + } + } +} + +void TrcPktProcEtmV4I::iPktTraceInfo(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 1) // header + { + //clear flags + m_tinfo_sections.sectFlags = 0; // mark all sections as incomplete. + m_tinfo_sections.ctrlBytes = 1; // assume only a single control section byte for now + + } + else if(m_currPacketData.size() == 2) // first payload control byte + { + // figure out which sections are absent and set to true - opposite of bitfeild in byte; + m_tinfo_sections.sectFlags = (~lastByte) & TINFO_ALL_SECT; + + // see if there is an extended control section, otherwise this byte is it. + if((lastByte & 0x80) == 0x0) + m_tinfo_sections.sectFlags |= TINFO_CTRL; + + } + else + { + if(!(m_tinfo_sections.sectFlags & TINFO_CTRL)) + { + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_CTRL; + m_tinfo_sections.ctrlBytes++; + } + else if(!(m_tinfo_sections.sectFlags & TINFO_INFO_SECT)) + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_INFO_SECT; + else if(!(m_tinfo_sections.sectFlags & TINFO_KEY_SECT)) + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_KEY_SECT; + else if(!(m_tinfo_sections.sectFlags & TINFO_SPEC_SECT)) + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_SPEC_SECT; + else if(!(m_tinfo_sections.sectFlags & TINFO_CYCT_SECT)) + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_CYCT_SECT; + else if (!(m_tinfo_sections.sectFlags & TINFO_WNDW_SECT)) + m_tinfo_sections.sectFlags |= (lastByte & 0x80) ? 0 : TINFO_WNDW_SECT; + } + + // all sections accounted for? + if(m_tinfo_sections.sectFlags == TINFO_ALL) + { + // index of first section is number of payload control bytes + 1 for header byte + unsigned idx = m_tinfo_sections.ctrlBytes + 1; + uint32_t fieldVal = 0; + uint8_t presSect = m_currPacketData[1] & TINFO_ALL_SECT; // first payload control byte + + m_curr_packet.clearTraceInfo(); + + if((presSect & TINFO_INFO_SECT) && (idx < m_currPacketData.size())) + { + idx += extractContField(m_currPacketData,idx,fieldVal); + m_curr_packet.setTraceInfo(fieldVal); + } + if((presSect & TINFO_KEY_SECT) && (idx < m_currPacketData.size())) + { + idx += extractContField(m_currPacketData,idx,fieldVal); + m_curr_packet.setTraceInfoKey(fieldVal); + } + if((presSect & TINFO_SPEC_SECT) && (idx < m_currPacketData.size())) + { + idx += extractContField(m_currPacketData,idx,fieldVal); + m_curr_packet.setTraceInfoSpec(fieldVal); + } + if((presSect & TINFO_CYCT_SECT) && (idx < m_currPacketData.size())) + { + idx += extractContField(m_currPacketData,idx,fieldVal); + m_curr_packet.setTraceInfoCyct(fieldVal); + } + if ((presSect & TINFO_WNDW_SECT) && (idx < m_currPacketData.size())) + { + idx += extractContField(m_currPacketData, idx, fieldVal); + /* Trace commit window unsupported in current ETE versions */ + } + m_process_state = SEND_PKT; + m_first_trace_info = true; + } + +} + +void TrcPktProcEtmV4I::iPktTimestamp(const uint8_t lastByte) +{ + // process the header byte + if(m_currPacketData.size() == 1) + { + m_ccount_done = (bool)((lastByte & 0x1) == 0); // 0 = not present + m_ts_done = false; + m_ts_bytes = 0; + } + else + { + if(!m_ts_done) + { + m_ts_bytes++; + m_ts_done = (m_ts_bytes == 9) || ((lastByte & 0x80) == 0); + } + else if(!m_ccount_done) + { + m_ccount_done = (bool)((lastByte & 0x80) == 0); + // TBD: check for oorange ccount - bad packet. + } + } + + if(m_ts_done && m_ccount_done) + { + int idx = 1; + uint64_t tsVal; + int ts_bytes = extractTSField64(m_currPacketData, idx, tsVal); + int ts_bits; + + // if ts_bytes 8 or less, then cont bits on each byte, otherwise full 64 bit value for 9 bytes + ts_bits = ts_bytes < 9 ? ts_bytes * 7 : 64; + + if(!m_curr_packet.pkt_valid.bits.ts_valid && m_first_trace_info) + ts_bits = 64; // after trace info, missing bits are all 0. + + m_curr_packet.setTS(tsVal,(uint8_t)ts_bits); + + if((m_currPacketData[0] & 0x1) == 0x1) + { + uint32_t countVal, countMask; + + idx += ts_bytes; + extractContField(m_currPacketData, idx, countVal, 3); // only 3 possible count bytes. + countMask = (((uint32_t)1UL << m_config.ccSize()) - 1); // mask of the CC size + countVal &= countMask; + m_curr_packet.setCycleCount(countVal); + } + + m_process_state = SEND_PKT; + } +} + +void TrcPktProcEtmV4I::iPktException(const uint8_t lastByte) +{ + uint16_t excep_type = 0; + + switch(m_currPacketData.size()) + { + case 1: m_excep_size = 3; break; + case 2: if((lastByte & 0x80) == 0x00) + m_excep_size = 2; + // ETE exception reset or trans failed + if (m_config.MajVersion() >= 0x5) + { + excep_type = (m_currPacketData[1] >> 1) & 0x1F; + if ((excep_type == 0x0) || (excep_type == 0x18)) + m_excep_size = 3; + } + break; + } + + if(m_currPacketData.size() == (unsigned)m_excep_size) + { + excep_type = (m_currPacketData[1] >> 1) & 0x1F; + uint8_t addr_interp = (m_currPacketData[1] & 0x40) >> 5 | (m_currPacketData[1] & 0x1); + uint8_t m_fault_pending = 0; + uint8_t m_type = (m_config.coreProfile() == profile_CortexM) ? 1 : 0; + + // extended exception packet (probably M class); + if(m_currPacketData[1] & 0x80) + { + excep_type |= ((uint16_t)m_currPacketData[2] & 0x1F) << 5; + m_fault_pending = (m_currPacketData[2] >> 5) & 0x1; + } + m_curr_packet.setExceptionInfo(excep_type,addr_interp,m_fault_pending, m_type); + m_process_state = SEND_PKT; + + // ETE exception reset or trans failed + if (m_config.MajVersion() >= 0x5) + { + if ((excep_type == 0x0) || (excep_type == 0x18)) + { + m_curr_packet.set64BitAddress(0, 0); + if (excep_type == 0x18) + m_curr_packet.setType(ETE_PKT_I_TRANS_FAIL); + else + m_curr_packet.setType(ETE_PKT_I_PE_RESET); + } + } + // allow the standard address packet handlers to process the address packet field for the exception. + } +} + +void TrcPktProcEtmV4I::iPktCycleCntF123(const uint8_t lastByte) +{ + ocsd_etmv4_i_pkt_type format = m_curr_packet.type; + + if( m_currPacketData.size() == 1) + { + m_count_done = m_commit_done = false; + m_has_count = true; + + if(format == ETM4_PKT_I_CCNT_F3) + { + // no commit section for TRCIDR0.COMMOPT == 1 + if(!m_config.commitOpt1()) + { + m_curr_packet.setCommitElements(((lastByte >> 2) & 0x3) + 1); + } + // TBD: warning of non-valid CC threshold here? + m_curr_packet.setCycleCount(m_curr_packet.getCCThreshold() + (lastByte & 0x3)); + m_process_state = SEND_PKT; + } + else if(format == ETM4_PKT_I_CCNT_F1) + { + if((lastByte & 0x1) == 0x1) + { + m_has_count = false; + m_count_done = true; + } + + // no commit section for TRCIDR0.COMMOPT == 1 + if(m_config.commitOpt1()) + m_commit_done = true; + } + } + else if((format == ETM4_PKT_I_CCNT_F2) && ( m_currPacketData.size() == 2)) + { + int commit_offset = ((lastByte & 0x1) == 0x1) ? ((int)m_config.MaxSpecDepth() - 15) : 1; + int commit_elements = ((lastByte >> 4) & 0xF); + commit_elements += commit_offset; + + // TBD: warning if commit elements < 0? + + m_curr_packet.setCycleCount(m_curr_packet.getCCThreshold() + (lastByte & 0xF)); + m_curr_packet.setCommitElements(commit_elements); + m_process_state = SEND_PKT; + } + else + { + // F1 and size 2 or more + if(!m_commit_done) + m_commit_done = ((lastByte & 0x80) == 0x00); + else if(!m_count_done) + m_count_done = ((lastByte & 0x80) == 0x00); + } + + if((format == ETM4_PKT_I_CCNT_F1) && m_commit_done && m_count_done) + { + int idx = 1; // index into buffer for payload data. + uint32_t field_value = 0; + // no commit section for TRCIDR0.COMMOPT == 1 + if(!m_config.commitOpt1()) + { + idx += extractContField(m_currPacketData,idx,field_value); + m_curr_packet.setCommitElements(field_value); + } + if (m_has_count) + { + extractContField(m_currPacketData, idx, field_value, 3); + m_curr_packet.setCycleCount(field_value + m_curr_packet.getCCThreshold()); + } + else + m_curr_packet.setCycleCount(0); /* unknown CC marked as 0 after overflow */ + m_process_state = SEND_PKT; + } +} + +void TrcPktProcEtmV4I::iPktSpeclRes(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 1) + { + switch(m_curr_packet.getType()) + { + case ETM4_PKT_I_MISPREDICT: + case ETM4_PKT_I_CANCEL_F2: + switch(lastByte & 0x3) + { + case 0x1: m_curr_packet.setAtomPacket(ATOM_PATTERN, 0x1, 1); break; // E + case 0x2: m_curr_packet.setAtomPacket(ATOM_PATTERN, 0x3, 2); break; // EE + case 0x3: m_curr_packet.setAtomPacket(ATOM_PATTERN, 0x0, 1); break; // N + } + if (m_curr_packet.getType() == ETM4_PKT_I_CANCEL_F2) + m_curr_packet.setCancelElements(1); + else + m_curr_packet.setCancelElements(0); + m_process_state = SEND_PKT; + break; + + case ETM4_PKT_I_CANCEL_F3: + if(lastByte & 0x1) + m_curr_packet.setAtomPacket(ATOM_PATTERN, 0x1, 1); // E + m_curr_packet.setCancelElements(((lastByte >> 1) & 0x3) + 2); + m_process_state = SEND_PKT; + break; + } + } + else + { + if((lastByte & 0x80) == 0x00) + { + uint32_t field_val = 0; + extractContField(m_currPacketData,1,field_val); + if(m_curr_packet.getType() == ETM4_PKT_I_COMMIT) + m_curr_packet.setCommitElements(field_val); + else + m_curr_packet.setCancelElements(field_val); + m_process_state = SEND_PKT; + } + } +} + +void TrcPktProcEtmV4I::iPktCondInstr(const uint8_t lastByte) +{ + bool bF1Done = false; + + if(m_currPacketData.size() == 1) + { + if(m_curr_packet.getType() == ETM4_PKT_I_COND_I_F2) + { + m_curr_packet.setCondIF2(lastByte & 0x3); + m_process_state = SEND_PKT; + } + + } + else if(m_currPacketData.size() == 2) + { + if(m_curr_packet.getType() == ETM4_PKT_I_COND_I_F3) // f3 two bytes long + { + uint8_t num_c_elem = ((lastByte >> 1) & 0x3F) + (lastByte & 0x1); + m_curr_packet.setCondIF3(num_c_elem,(bool)((lastByte & 0x1) == 0x1)); + // TBD: check for 0 num_c_elem in here. + m_process_state = SEND_PKT; + } + else + { + bF1Done = ((lastByte & 0x80) == 0x00); + } + } + else + { + bF1Done = ((lastByte & 0x80) == 0x00); + } + + if(bF1Done) + { + uint32_t cond_key = 0; + extractContField(m_currPacketData, 1, cond_key); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcEtmV4I::iPktCondResult(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 1) + { + m_F1P1_done = false; // F1 payload 1 done + m_F1P2_done = false; // F1 payload 2 done + m_F1has_P2 = false; // F1 has a payload 2 + + switch(m_curr_packet.getType()) + { + case ETM4_PKT_I_COND_RES_F1: + + m_F1has_P2 = true; + if((lastByte & 0xFC) == 0x6C)// only one payload set + { + m_F1P2_done = true; + m_F1has_P2 = false; + } + break; + + case ETM4_PKT_I_COND_RES_F2: + m_curr_packet.setCondRF2((lastByte & 0x4) ? 2 : 1, lastByte & 0x3); + m_process_state = SEND_PKT; + break; + + case ETM4_PKT_I_COND_RES_F3: + break; + + case ETM4_PKT_I_COND_RES_F4: + m_curr_packet.setCondRF4(lastByte & 0x3); + m_process_state = SEND_PKT; + break; + } + } + else if((m_curr_packet.getType() == ETM4_PKT_I_COND_RES_F3) && (m_currPacketData.size() == 2)) + { + // 2nd F3 packet + uint16_t f3_tokens = 0; + f3_tokens = (uint16_t)m_currPacketData[1]; + f3_tokens |= ((uint16_t)m_currPacketData[0] & 0xf) << 8; + m_curr_packet.setCondRF3(f3_tokens); + m_process_state = SEND_PKT; + } + else // !first packet - F1 + { + if(!m_F1P1_done) + m_F1P1_done = ((lastByte & 0x80) == 0x00); + else if(!m_F1P2_done) + m_F1P2_done = ((lastByte & 0x80) == 0x00); + + if(m_F1P1_done && m_F1P2_done) + { + int st_idx = 1; + uint32_t key[2]; + uint8_t result[2]; + uint8_t CI[2]; + + st_idx+= extractCondResult(m_currPacketData,st_idx,key[0],result[0]); + CI[0] = m_currPacketData[0] & 0x1; + if(m_F1has_P2) // 2nd payload? + { + extractCondResult(m_currPacketData,st_idx,key[1],result[1]); + CI[1] = (m_currPacketData[0] >> 1) & 0x1; + } + m_curr_packet.setCondRF1(key,result,CI,m_F1has_P2); + m_process_state = SEND_PKT; + } + } +} + +void TrcPktProcEtmV4I::iPktContext(const uint8_t lastByte) +{ + bool bSendPacket = false; + + if(m_currPacketData.size() == 1) + { + if((lastByte & 0x1) == 0) + { + m_curr_packet.setContextInfo(false); // no update context packet (ctxt same as last time). + m_process_state = SEND_PKT; + } + } + else if(m_currPacketData.size() == 2) + { + if((lastByte & 0xC0) == 0) // no VMID or CID + { + bSendPacket = true; + } + else + { + m_vmidBytes = ((lastByte & 0x40) == 0x40) ? (m_config.vmidSize()/8) : 0; + m_ctxtidBytes = ((lastByte & 0x80) == 0x80) ? (m_config.cidSize()/8) : 0; + } + } + else // 3rd byte onwards + { + if(m_vmidBytes > 0) + m_vmidBytes--; + else if(m_ctxtidBytes > 0) + m_ctxtidBytes--; + + if((m_ctxtidBytes == 0) && (m_vmidBytes == 0)) + bSendPacket = true; + } + + if(bSendPacket) + { + extractAndSetContextInfo(m_currPacketData,1); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcEtmV4I::extractAndSetContextInfo(const std::vector<uint8_t> &buffer, const int st_idx) +{ + // on input, buffer index points at the info byte - always present + uint8_t infoByte = m_currPacketData[st_idx]; + + m_curr_packet.setContextInfo(true, (infoByte & 0x3), (infoByte >> 5) & 0x1, (infoByte >> 4) & 0x1, (infoByte >> 3) & 0x1); + + // see if there are VMID and CID bytes, and how many. + int nVMID_bytes = ((infoByte & 0x40) == 0x40) ? (m_config.vmidSize()/8) : 0; + int nCtxtID_bytes = ((infoByte & 0x80) == 0x80) ? (m_config.cidSize()/8) : 0; + + // extract any VMID and CID + int payload_idx = st_idx+1; + if(nVMID_bytes) + { + uint32_t VMID = 0; + for(int i = 0; i < nVMID_bytes; i++) + { + VMID |= ((uint32_t)m_currPacketData[i+payload_idx] << i*8); + } + payload_idx += nVMID_bytes; + m_curr_packet.setContextVMID(VMID); + } + + if(nCtxtID_bytes) + { + uint32_t CID = 0; + for(int i = 0; i < nCtxtID_bytes; i++) + { + CID |= ((uint32_t)m_currPacketData[i+payload_idx] << i*8); + } + m_curr_packet.setContextCID(CID); + } +} + +void TrcPktProcEtmV4I::iPktAddrCtxt(const uint8_t lastByte) +{ + if( m_currPacketData.size() == 1) + { + m_addrIS = 0; + m_addrBytes = 4; + m_bAddr64bit = false; + m_vmidBytes = 0; + m_ctxtidBytes = 0; + m_bCtxtInfoDone = false; + + switch(m_curr_packet.type) + { + case ETM4_PKT_I_ADDR_CTXT_L_32IS1: + m_addrIS = 1; + case ETM4_PKT_I_ADDR_CTXT_L_32IS0: + break; + + case ETM4_PKT_I_ADDR_CTXT_L_64IS1: + m_addrIS = 1; + case ETM4_PKT_I_ADDR_CTXT_L_64IS0: + m_addrBytes = 8; + m_bAddr64bit = true; + break; + } + } + else + { + if(m_addrBytes == 0) + { + if(m_bCtxtInfoDone == false) + { + m_bCtxtInfoDone = true; + m_vmidBytes = ((lastByte & 0x40) == 0x40) ? (m_config.vmidSize()/8) : 0; + m_ctxtidBytes = ((lastByte & 0x80) == 0x80) ? (m_config.cidSize()/8) : 0; + } + else + { + if( m_vmidBytes > 0) + m_vmidBytes--; + else if(m_ctxtidBytes > 0) + m_ctxtidBytes--; + } + } + else + m_addrBytes--; + + if((m_addrBytes == 0) && m_bCtxtInfoDone && (m_vmidBytes == 0) && (m_ctxtidBytes == 0)) + { + int st_idx = 1; + if(m_bAddr64bit) + { + uint64_t val64; + st_idx+=extract64BitLongAddr(m_currPacketData,st_idx,m_addrIS,val64); + m_curr_packet.set64BitAddress(val64,m_addrIS); + } + else + { + uint32_t val32; + st_idx+=extract32BitLongAddr(m_currPacketData,st_idx,m_addrIS,val32); + m_curr_packet.set32BitAddress(val32,m_addrIS); + } + extractAndSetContextInfo(m_currPacketData,st_idx); + m_process_state = SEND_PKT; + } + } +} + +void TrcPktProcEtmV4I::iPktShortAddr(const uint8_t lastByte) +{ + if (m_currPacketData.size() == 1) + { + m_addr_done = false; + m_addrIS = 0; + if ((lastByte == ETM4_PKT_I_ADDR_S_IS1) || + (lastByte == ETE_PKT_I_SRC_ADDR_S_IS1)) + m_addrIS = 1; + } + else if(!m_addr_done) + { + m_addr_done = (m_currPacketData.size() == 3) || ((lastByte & 0x80) == 0x00); + } + + if(m_addr_done) + { + uint32_t addr_val = 0; + int bits = 0; + + extractShortAddr(m_currPacketData,1,m_addrIS,addr_val,bits); + m_curr_packet.updateShortAddress(addr_val,m_addrIS,(uint8_t)bits); + m_process_state = SEND_PKT; + } +} + +int TrcPktProcEtmV4I::extractShortAddr(const std::vector<uint8_t> &buffer, const int st_idx, const uint8_t IS, uint32_t &value, int &bits) +{ + int IS_shift = (IS == 0) ? 2 : 1; + int idx = 0; + + bits = 7; // at least 7 bits + value = 0; + value |= ((uint32_t)(buffer[st_idx+idx] & 0x7F)) << IS_shift; + + if(m_currPacketData[st_idx+idx] & 0x80) + { + idx++; + value |= ((uint32_t)m_currPacketData[st_idx+idx]) << (7 + IS_shift); + bits += 8; + } + idx++; + bits += IS_shift; + return idx; +} + +void TrcPktProcEtmV4I::iPktLongAddr(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 1) + { + // init the intra-byte data + m_addrIS = 0; + m_bAddr64bit = false; + m_addrBytes = 4; + + switch(m_curr_packet.type) + { + case ETM4_PKT_I_ADDR_L_32IS1: + case ETE_PKT_I_SRC_ADDR_L_32IS1: + m_addrIS = 1; + case ETM4_PKT_I_ADDR_L_32IS0: + case ETE_PKT_I_SRC_ADDR_L_32IS0: + m_addrBytes = 4; + break; + + case ETM4_PKT_I_ADDR_L_64IS1: + case ETE_PKT_I_SRC_ADDR_L_64IS1: + m_addrIS = 1; + case ETM4_PKT_I_ADDR_L_64IS0: + case ETE_PKT_I_SRC_ADDR_L_64IS0: + m_addrBytes = 8; + m_bAddr64bit = true; + break; + } + } + if(m_currPacketData.size() == (unsigned)(1+m_addrBytes)) + { + int st_idx = 1; + if(m_bAddr64bit) + { + uint64_t val64; + st_idx+=extract64BitLongAddr(m_currPacketData,st_idx,m_addrIS,val64); + m_curr_packet.set64BitAddress(val64,m_addrIS); + } + else + { + uint32_t val32; + st_idx+=extract32BitLongAddr(m_currPacketData,st_idx,m_addrIS,val32); + m_curr_packet.set32BitAddress(val32,m_addrIS); + } + m_process_state = SEND_PKT; + } +} + +void TrcPktProcEtmV4I::iPktQ(const uint8_t lastByte) +{ + if(m_currPacketData.size() == 1) + { + m_Q_type = lastByte & 0xF; + + m_addrBytes = 0; + m_count_done = false; + m_has_addr = false; + m_addr_short = true; + m_addr_match = false; + m_addrIS = 1; + m_QE = 0; + + switch(m_Q_type) + { + // count only - implied address. + case 0x0: + case 0x1: + case 0x2: + m_addr_match = true; + m_has_addr = true; + m_QE = m_Q_type & 0x3; + case 0xC: + break; + + // count + short address + case 0x5: + m_addrIS = 0; + case 0x6: + m_has_addr = true; + m_addrBytes = 2; // short IS0/1 + break; + + // count + long address + case 0xA: + m_addrIS = 0; + case 0xB: + m_has_addr = true; + m_addr_short = false; + m_addrBytes = 4; // long IS0/1 + break; + + // no count, no address + case 0xF: + m_count_done = true; + break; + + // reserved values 0x3, 0x4, 0x7, 0x8, 0x9, 0xD, 0xE + default: + m_curr_packet.err_type = m_curr_packet.type; + m_curr_packet.type = ETM4_PKT_I_BAD_SEQUENCE; + m_process_state = SEND_PKT; + break; + } + } + else + { + if(m_addrBytes > 0) + { + if(m_addr_short && m_addrBytes == 2) // short + { + if((lastByte & 0x80) == 0x00) + m_addrBytes--; // short version can have just single byte. + } + m_addrBytes--; + } + else if(!m_count_done) + { + m_count_done = ((lastByte & 0x80) == 0x00); + } + } + + if(((m_addrBytes == 0) && m_count_done)) + { + int idx = 1; // move past the header + int bits = 0; + uint32_t q_addr; + uint32_t q_count; + + if(m_has_addr) + { + if(m_addr_match) + { + m_curr_packet.setAddressExactMatch(m_QE); + } + else if(m_addr_short) + { + idx+=extractShortAddr(m_currPacketData,idx,m_addrIS,q_addr,bits); + m_curr_packet.updateShortAddress(q_addr,m_addrIS,(uint8_t)bits); + } + else + { + idx+=extract32BitLongAddr(m_currPacketData,idx,m_addrIS,q_addr); + m_curr_packet.set32BitAddress(q_addr,m_addrIS); + } + } + + if(m_Q_type != 0xF) + { + extractContField(m_currPacketData,idx,q_count); + m_curr_packet.setQType(true,q_count,m_has_addr,m_addr_match,m_Q_type); + } + else + { + m_curr_packet.setQType(false,0,false,false,0xF); + } + m_process_state = SEND_PKT; + } + +} + +void TrcPktProcEtmV4I::iAtom(const uint8_t lastByte) +{ + // patterns lsbit = oldest atom, ms bit = newest. + static const uint32_t f4_patterns[] = { + 0xE, // EEEN + 0x0, // NNNN + 0xA, // ENEN + 0x5 // NENE + }; + + uint8_t pattIdx = 0, pattCount = 0; + uint32_t pattern; + + // atom packets are single byte, no payload. + switch(m_curr_packet.type) + { + case ETM4_PKT_I_ATOM_F1: + m_curr_packet.setAtomPacket(ATOM_PATTERN,(lastByte & 0x1), 1); // 1xE or N + break; + + case ETM4_PKT_I_ATOM_F2: + m_curr_packet.setAtomPacket(ATOM_PATTERN,(lastByte & 0x3), 2); // 2x (E or N) + break; + + case ETM4_PKT_I_ATOM_F3: + m_curr_packet.setAtomPacket(ATOM_PATTERN,(lastByte & 0x7), 3); // 3x (E or N) + break; + + case ETM4_PKT_I_ATOM_F4: + m_curr_packet.setAtomPacket(ATOM_PATTERN,f4_patterns[(lastByte & 0x3)], 4); // 4 atom pattern + break; + + case ETM4_PKT_I_ATOM_F5: + pattIdx = ((lastByte & 0x20) >> 3) | (lastByte & 0x3); + switch(pattIdx) + { + case 5: // 0b101 + m_curr_packet.setAtomPacket(ATOM_PATTERN,0x1E, 5); // 5 atom pattern EEEEN + break; + + case 1: // 0b001 + m_curr_packet.setAtomPacket(ATOM_PATTERN,0x00, 5); // 5 atom pattern NNNNN + break; + + case 2: //0b010 + m_curr_packet.setAtomPacket(ATOM_PATTERN,0x0A, 5); // 5 atom pattern NENEN + break; + + case 3: //0b011 + m_curr_packet.setAtomPacket(ATOM_PATTERN,0x15, 5); // 5 atom pattern ENENE + break; + + default: + // TBD: warn about invalid pattern in here. + break; + } + break; + + case ETM4_PKT_I_ATOM_F6: + pattCount = (lastByte & 0x1F) + 3; // count of E's + // TBD: check 23 or less at this point? + pattern = ((uint32_t)0x1 << pattCount) - 1; // set pattern to string of E's + if((lastByte & 0x20) == 0x00) // last atom is E? + pattern |= ((uint32_t)0x1 << pattCount); + m_curr_packet.setAtomPacket(ATOM_PATTERN,pattern, pattCount+1); + break; + } + + m_process_state = SEND_PKT; +} + +// header byte processing is table driven. +void TrcPktProcEtmV4I::BuildIPacketTable() +{ + // initialise everything as reserved. + for(int i = 0; i < 256; i++) + { + m_i_table[i].pkt_type = ETM4_PKT_I_RESERVED; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iPktReserved; + } + + // 0x00 - extension + m_i_table[0x00].pkt_type = ETM4_PKT_I_EXTENSION; + m_i_table[0x00].pptkFn = &TrcPktProcEtmV4I::iPktExtension; + + // 0x01 - Trace info + m_i_table[0x01].pkt_type = ETM4_PKT_I_TRACE_INFO; + m_i_table[0x01].pptkFn = &TrcPktProcEtmV4I::iPktTraceInfo; + + // b0000001x - timestamp + m_i_table[0x02].pkt_type = ETM4_PKT_I_TIMESTAMP; + m_i_table[0x02].pptkFn = &TrcPktProcEtmV4I::iPktTimestamp; + m_i_table[0x03].pkt_type = ETM4_PKT_I_TIMESTAMP; + m_i_table[0x03].pptkFn = &TrcPktProcEtmV4I::iPktTimestamp; + + // b0000 0100 - trace on + m_i_table[0x04].pkt_type = ETM4_PKT_I_TRACE_ON; + m_i_table[0x04].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + + + // b0000 0101 - Funct ret V8M + m_i_table[0x05].pkt_type = ETM4_PKT_I_FUNC_RET; + if ((m_config.coreProfile() == profile_CortexM) && + (OCSD_IS_V8_ARCH(m_config.archVersion())) && + (m_config.FullVersion() >= 0x42)) + { + m_i_table[0x05].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + // b0000 0110 - exception + m_i_table[0x06].pkt_type = ETM4_PKT_I_EXCEPT; + m_i_table[0x06].pptkFn = &TrcPktProcEtmV4I::iPktException; + + // b0000 0111 - exception return + m_i_table[0x07].pkt_type = ETM4_PKT_I_EXCEPT_RTN; + if (m_config.MajVersion() >= 0x5) // not valid for ETE + { +#ifdef ETE_TRACE_ERET_AS_IGNORE + m_i_table[0x07].pkt_type = ETM4_PKT_I_IGNORE; + m_i_table[0x07].pptkFn = &EtmV4IPktProcImpl::iPktNoPayload; +#else + m_i_table[0x07].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; +#endif + } + else + m_i_table[0x07].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + + // b00001010, b00001011 ETE TRANS packets + if (m_config.MajVersion() >= 0x5) + { + m_i_table[0x0A].pkt_type = ETE_PKT_I_TRANS_ST; + m_i_table[0x0A].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + + m_i_table[0x0B].pkt_type = ETE_PKT_I_TRANS_COMMIT; + m_i_table[0x0B].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + // b0000 110x - cycle count f2 + // b0000 111x - cycle count f1 + for(int i = 0; i < 4; i++) + { + m_i_table[0x0C+i].pkt_type = (i >= 2) ? ETM4_PKT_I_CCNT_F1 : ETM4_PKT_I_CCNT_F2; + m_i_table[0x0C+i].pptkFn = &TrcPktProcEtmV4I::iPktCycleCntF123; + } + + // b0001 xxxx - cycle count f3 + for(int i = 0; i < 16; i++) + { + m_i_table[0x10+i].pkt_type = ETM4_PKT_I_CCNT_F3; + m_i_table[0x10+i].pptkFn = &TrcPktProcEtmV4I::iPktCycleCntF123; + } + + // b0010 0xxx - NDSM + for(int i = 0; i < 8; i++) + { + m_i_table[0x20 + i].pkt_type = ETM4_PKT_I_NUM_DS_MKR; + if (m_config.enabledDataTrace()) + m_i_table[0x20+i].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + else + m_i_table[0x20+i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0010 10xx, b0010 1100 - UDSM + for(int i = 0; i < 5; i++) + { + m_i_table[0x28+i].pkt_type = ETM4_PKT_I_UNNUM_DS_MKR; + if (m_config.enabledDataTrace()) + m_i_table[0x28+i].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + else + m_i_table[0x28+i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0010 1101 - commit + m_i_table[0x2D].pkt_type = ETM4_PKT_I_COMMIT; + m_i_table[0x2D].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + + // b0010 111x - cancel f1 (mis pred) + m_i_table[0x2E].pkt_type = ETM4_PKT_I_CANCEL_F1; + m_i_table[0x2E].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + m_i_table[0x2F].pkt_type = ETM4_PKT_I_CANCEL_F1_MISPRED; + m_i_table[0x2F].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + + // b0011 00xx - mis predict + for(int i = 0; i < 4; i++) + { + m_i_table[0x30+i].pkt_type = ETM4_PKT_I_MISPREDICT; + m_i_table[0x30+i].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + } + + // b0011 01xx - cancel f2 + for(int i = 0; i < 4; i++) + { + m_i_table[0x34+i].pkt_type = ETM4_PKT_I_CANCEL_F2; + m_i_table[0x34+i].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + } + + // b0011 1xxx - cancel f3 + for(int i = 0; i < 8; i++) + { + m_i_table[0x38+i].pkt_type = ETM4_PKT_I_CANCEL_F3; + m_i_table[0x38+i].pptkFn = &TrcPktProcEtmV4I::iPktSpeclRes; + } + + bool bCondValid = m_config.hasCondTrace() && m_config.enabledCondITrace(); + + // b0100 000x, b0100 0010 - cond I f2 + for (int i = 0; i < 3; i++) + { + m_i_table[0x40 + i].pkt_type = ETM4_PKT_I_COND_I_F2; + if (bCondValid) + m_i_table[0x40 + i].pptkFn = &TrcPktProcEtmV4I::iPktCondInstr; + else + m_i_table[0x40 + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0100 0011 - cond flush + m_i_table[0x43].pkt_type = ETM4_PKT_I_COND_FLUSH; + if (bCondValid) + m_i_table[0x43].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + else + m_i_table[0x43].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + + // b0100 010x, b0100 0110 - cond res f4 + for (int i = 0; i < 3; i++) + { + m_i_table[0x44 + i].pkt_type = ETM4_PKT_I_COND_RES_F4; + if (bCondValid) + m_i_table[0x44 + i].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[0x44 + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0100 100x, b0100 0110 - cond res f2 + // b0100 110x, b0100 1110 - cond res f2 + for (int i = 0; i < 3; i++) + { + m_i_table[0x48 + i].pkt_type = ETM4_PKT_I_COND_RES_F2; + if (bCondValid) + m_i_table[0x48 + i].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[0x48 + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + for (int i = 0; i < 3; i++) + { + m_i_table[0x4C + i].pkt_type = ETM4_PKT_I_COND_RES_F2; + if (bCondValid) + m_i_table[0x4C + i].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[0x4C + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0101xxxx - cond res f3 + for (int i = 0; i < 16; i++) + { + m_i_table[0x50 + i].pkt_type = ETM4_PKT_I_COND_RES_F3; + if (bCondValid) + m_i_table[0x50 + i].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[0x50 + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b011010xx - cond res f1 + for (int i = 0; i < 4; i++) + { + m_i_table[0x68 + i].pkt_type = ETM4_PKT_I_COND_RES_F1; + if (bCondValid) + m_i_table[0x68 + i].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[0x68 + i].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // b0110 1100 - cond instr f1 + m_i_table[0x6C].pkt_type = ETM4_PKT_I_COND_I_F1; + if (bCondValid) + m_i_table[0x6C].pptkFn = &TrcPktProcEtmV4I::iPktCondInstr; + else + m_i_table[0x6C].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + + // b0110 1101 - cond instr f3 + m_i_table[0x6D].pkt_type = ETM4_PKT_I_COND_I_F3; + if (bCondValid) + m_i_table[0x6D].pptkFn = &TrcPktProcEtmV4I::iPktCondInstr; + else + m_i_table[0x6D].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + + // b0110111x - cond res f1 + for (int i = 0; i < 2; i++) + { + // G++ cannot understand [0x6E+i] so change these round + m_i_table[i + 0x6E].pkt_type = ETM4_PKT_I_COND_RES_F1; + if (bCondValid) + m_i_table[i + 0x6E].pptkFn = &TrcPktProcEtmV4I::iPktCondResult; + else + m_i_table[i + 0x6E].pptkFn = &TrcPktProcEtmV4I::iPktInvalidCfg; + } + + // ETM 4.3 introduces ignore packets + if (m_config.FullVersion() >= 0x43) + { + m_i_table[0x70].pkt_type = ETM4_PKT_I_IGNORE; + m_i_table[0x70].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + // b01110001 - b01111111 - event trace + for(int i = 0; i < 15; i++) + { + m_i_table[0x71+i].pkt_type = ETM4_PKT_I_EVENT; + m_i_table[0x71+i].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + // 0b1000 000x - context + for(int i = 0; i < 2; i++) + { + m_i_table[0x80+i].pkt_type = ETM4_PKT_I_CTXT; + m_i_table[0x80+i].pptkFn = &TrcPktProcEtmV4I::iPktContext; + } + + // 0b1000 0010 to b1000 0011 - addr with ctxt + // 0b1000 0101 to b1000 0110 - addr with ctxt + for(int i = 0; i < 2; i++) + { + m_i_table[0x82+i].pkt_type = (i == 0) ? ETM4_PKT_I_ADDR_CTXT_L_32IS0 : ETM4_PKT_I_ADDR_CTXT_L_32IS1; + m_i_table[0x82+i].pptkFn = &TrcPktProcEtmV4I::iPktAddrCtxt; + } + + for(int i = 0; i < 2; i++) + { + m_i_table[0x85+i].pkt_type = (i == 0) ? ETM4_PKT_I_ADDR_CTXT_L_64IS0 : ETM4_PKT_I_ADDR_CTXT_L_64IS1; + m_i_table[0x85+i].pptkFn = &TrcPktProcEtmV4I::iPktAddrCtxt; + } + + // 0b1000 1000 - ETE 1.1 TS Marker. also ETMv4.6 + if(m_config.FullVersion() >= 0x46) + { + m_i_table[0x88].pkt_type = ETE_PKT_I_TS_MARKER; + m_i_table[0x88].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + // 0b1001 0000 to b1001 0010 - exact match addr + for(int i = 0; i < 3; i++) + { + m_i_table[0x90+i].pkt_type = ETM4_PKT_I_ADDR_MATCH; + m_i_table[0x90+i].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + // b1001 0101 - b1001 0110 - addr short address + for(int i = 0; i < 2; i++) + { + m_i_table[0x95+i].pkt_type = (i == 0) ? ETM4_PKT_I_ADDR_S_IS0 : ETM4_PKT_I_ADDR_S_IS1; + m_i_table[0x95+i].pptkFn = &TrcPktProcEtmV4I::iPktShortAddr; + } + + // b10011010 - b10011011 - addr long address + // b10011101 - b10011110 - addr long address + for(int i = 0; i < 2; i++) + { + m_i_table[0x9A+i].pkt_type = (i == 0) ? ETM4_PKT_I_ADDR_L_32IS0 : ETM4_PKT_I_ADDR_L_32IS1; + m_i_table[0x9A+i].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + } + for(int i = 0; i < 2; i++) + { + m_i_table[0x9D+i].pkt_type = (i == 0) ? ETM4_PKT_I_ADDR_L_64IS0 : ETM4_PKT_I_ADDR_L_64IS1; + m_i_table[0x9D+i].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + } + + // b1010xxxx - Q packet + for (int i = 0; i < 16; i++) + { + m_i_table[0xA0 + i].pkt_type = ETM4_PKT_I_Q; + // certain Q type codes are reserved. + switch (i) { + case 0x3: + case 0x4: + case 0x7: + case 0x8: + case 0x9: + case 0xD: + case 0xE: + // don't update pkt fn - leave at default reserved. + break; + default: + // if this config supports Q elem - otherwise reserved again. + if (m_config.hasQElem()) + m_i_table[0xA0 + i].pptkFn = &TrcPktProcEtmV4I::iPktQ; + } + } + + // b10110000 - b10111001 - ETE src address packets + if (m_config.FullVersion() >= 0x50) + { + for (int i = 0; i < 3; i++) + { + m_i_table[0xB0 + i].pkt_type = ETE_PKT_I_SRC_ADDR_MATCH; + m_i_table[0xB0 + i].pptkFn = &TrcPktProcEtmV4I::iPktNoPayload; + } + + m_i_table[0xB4].pkt_type = ETE_PKT_I_SRC_ADDR_S_IS0; + m_i_table[0xB4].pptkFn = &TrcPktProcEtmV4I::iPktShortAddr; + m_i_table[0xB5].pkt_type = ETE_PKT_I_SRC_ADDR_S_IS1; + m_i_table[0xB5].pptkFn = &TrcPktProcEtmV4I::iPktShortAddr; + + m_i_table[0xB6].pkt_type = ETE_PKT_I_SRC_ADDR_L_32IS0; + m_i_table[0xB6].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + m_i_table[0xB7].pkt_type = ETE_PKT_I_SRC_ADDR_L_32IS1; + m_i_table[0xB7].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + m_i_table[0xB8].pkt_type = ETE_PKT_I_SRC_ADDR_L_64IS0; + m_i_table[0xB8].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + m_i_table[0xB9].pkt_type = ETE_PKT_I_SRC_ADDR_L_64IS1; + m_i_table[0xB9].pptkFn = &TrcPktProcEtmV4I::iPktLongAddr; + } + + // Atom Packets - all no payload but have specific pattern generation fn + for(int i = 0xC0; i <= 0xD4; i++) // atom f6 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F6; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + for(int i = 0xD5; i <= 0xD7; i++) // atom f5 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F5; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + for(int i = 0xD8; i <= 0xDB; i++) // atom f2 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F2; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + for(int i = 0xDC; i <= 0xDF; i++) // atom f4 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F4; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + for(int i = 0xE0; i <= 0xF4; i++) // atom f6 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F6; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + + // atom f5 + m_i_table[0xF5].pkt_type = ETM4_PKT_I_ATOM_F5; + m_i_table[0xF5].pptkFn = &TrcPktProcEtmV4I::iAtom; + + for(int i = 0xF6; i <= 0xF7; i++) // atom f1 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F1; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } + for(int i = 0xF8; i <= 0xFF; i++) // atom f3 + { + m_i_table[i].pkt_type = ETM4_PKT_I_ATOM_F3; + m_i_table[i].pptkFn = &TrcPktProcEtmV4I::iAtom; + } +} + + unsigned TrcPktProcEtmV4I::extractContField(const std::vector<uint8_t> &buffer, const unsigned st_idx, uint32_t &value, const unsigned byte_limit /*= 5*/) +{ + unsigned idx = 0; + bool lastByte = false; + uint8_t byteVal; + value = 0; + while(!lastByte && (idx < byte_limit)) // max 5 bytes for 32 bit value; + { + if(buffer.size() > (st_idx + idx)) + { + // each byte has seven bits + cont bit + byteVal = buffer[(st_idx + idx)]; + lastByte = (byteVal & 0x80) != 0x80; + value |= ((uint32_t)(byteVal & 0x7F)) << (idx * 7); + idx++; + } + else + { + throwBadSequenceError("Invalid 32 bit continuation fields in packet"); + } + } + return idx; +} + +unsigned TrcPktProcEtmV4I::extractTSField64(const std::vector<uint8_t> &buffer, const unsigned st_idx, uint64_t &value) +{ + const unsigned max_byte_idx = 8; /* the 9th byte, index 8, will use full 8 bits for value */ + unsigned idx = 0; + bool lastByte = false; + uint8_t byteVal; + uint8_t byteValMask = 0x7f; + + /* init value */ + value = 0; + while(!lastByte) // max 9 bytes for 64 bit value; + { + if(buffer.size() > (st_idx + idx)) + { + // each byte has seven bits + cont bit + byteVal = buffer[(st_idx + idx)]; + + /* detect the final byte - which uses full 8 bits as value */ + if (idx == max_byte_idx) + { + byteValMask = 0xFF; /* last byte of 9, no cont bit */ + lastByte = true; + } + else + lastByte = (byteVal & 0x80) != 0x80; + + value |= ((uint64_t)(byteVal & byteValMask)) << (idx * 7); + idx++; + } + else + { + throwBadSequenceError("Invalid 64 bit continuation fields in packet"); + } + } + // index is the count of bytes used here. + return idx; +} + + unsigned TrcPktProcEtmV4I::extractCondResult(const std::vector<uint8_t> &buffer, const unsigned st_idx, uint32_t& key, uint8_t &result) +{ + unsigned idx = 0; + bool lastByte = false; + int incr = 0; + + key = 0; + + while(!lastByte && (idx < 6)) // cannot be more than 6 bytes for res + 32 bit key + { + if(buffer.size() > (st_idx + idx)) + { + if(idx == 0) + { + result = buffer[st_idx+idx]; + key = (buffer[st_idx+idx] >> 4) & 0x7; + incr+=3; + } + else + { + key |= ((uint32_t)(buffer[st_idx+idx] & 0x7F)) << incr; + incr+=7; + } + lastByte = (bool)((buffer[st_idx+idx] & 0x80) == 0); + idx++; + } + else + { + throwBadSequenceError("Invalid continuation fields in packet"); + } + } + return idx; +} + +int TrcPktProcEtmV4I::extract64BitLongAddr(const std::vector<uint8_t> &buffer, const int st_idx, const uint8_t IS, uint64_t &value) +{ + value = 0; + if(IS == 0) + { + value |= ((uint64_t)(buffer[st_idx+0] & 0x7F)) << 2; + value |= ((uint64_t)(buffer[st_idx+1] & 0x7F)) << 9; + } + else + { + value |= ((uint64_t)(buffer[st_idx+0] & 0x7F)) << 1; + value |= ((uint64_t)buffer[st_idx+1]) << 8; + } + value |= ((uint64_t)buffer[st_idx+2]) << 16; + value |= ((uint64_t)buffer[st_idx+3]) << 24; + value |= ((uint64_t)buffer[st_idx+4]) << 32; + value |= ((uint64_t)buffer[st_idx+5]) << 40; + value |= ((uint64_t)buffer[st_idx+6]) << 48; + value |= ((uint64_t)buffer[st_idx+7]) << 56; + return 8; +} + +int TrcPktProcEtmV4I::extract32BitLongAddr(const std::vector<uint8_t> &buffer, const int st_idx, const uint8_t IS, uint32_t &value) +{ + value = 0; + if(IS == 0) + { + value |= ((uint32_t)(buffer[st_idx+0] & 0x7F)) << 2; + value |= ((uint32_t)(buffer[st_idx+1] & 0x7F)) << 9; + } + else + { + value |= ((uint32_t)(buffer[st_idx+0] & 0x7F)) << 1; + value |= ((uint32_t)buffer[st_idx+1]) << 8; + } + value |= ((uint32_t)buffer[st_idx+2]) << 16; + value |= ((uint32_t)buffer[st_idx+3]) << 24; + return 4; +} + +void TrcPktProcEtmV4I::throwBadSequenceError(const char *pszExtMsg) +{ + m_curr_packet.updateErrType(ETM4_PKT_I_BAD_SEQUENCE); // swap type for err type + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_BAD_PACKET_SEQ,m_packet_index,m_config.getTraceID(),pszExtMsg); +} + + +/* End of File trc_pkt_proc_etmv4i.cpp */ diff --git a/decoder/source/i_dec/trc_i_decode.cpp b/decoder/source/i_dec/trc_i_decode.cpp new file mode 100644 index 0000000..0e05895 --- /dev/null +++ b/decoder/source/i_dec/trc_i_decode.cpp @@ -0,0 +1,236 @@ +/* + * \file trc_i_decode.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/ocsd_if_types.h" +#include "i_dec/trc_i_decode.h" +#include "i_dec/trc_idec_arminst.h" + +ocsd_err_t TrcIDecode::DecodeInstruction(ocsd_instr_info *instr_info) +{ + ocsd_err_t err = OCSD_OK; + struct decode_info info; + + info.instr_sub_type = OCSD_S_INSTR_NONE; + info.arch_version = instr_info->pe_type.arch; + + switch(instr_info->isa) + { + case ocsd_isa_arm: + err = DecodeA32(instr_info, &info); + break; + + case ocsd_isa_thumb2: + err = DecodeT32(instr_info, &info); + break; + + case ocsd_isa_aarch64: + err = DecodeA64(instr_info, &info); + break; + + case ocsd_isa_tee: + case ocsd_isa_jazelle: + default: + // unsupported ISA + err = OCSD_ERR_UNSUPPORTED_ISA; + break; + } + instr_info->sub_type = info.instr_sub_type; + return err; +} + +ocsd_err_t TrcIDecode::DecodeA32(ocsd_instr_info *instr_info, struct decode_info *info) +{ + uint32_t branchAddr = 0; + arm_barrier_t barrier; + + instr_info->instr_size = 4; // instruction size A32 + instr_info->type = OCSD_INSTR_OTHER; // default type + instr_info->next_isa = instr_info->isa; // assume same ISA + instr_info->is_link = 0; + + if(inst_ARM_is_indirect_branch(instr_info->opcode, info)) + { + instr_info->type = OCSD_INSTR_BR_INDIRECT; + instr_info->is_link = inst_ARM_is_branch_and_link(instr_info->opcode, info); + } + else if(inst_ARM_is_direct_branch(instr_info->opcode)) + { + inst_ARM_branch_destination((uint32_t)instr_info->instr_addr,instr_info->opcode,&branchAddr); + instr_info->type = OCSD_INSTR_BR; + if (branchAddr & 0x1) + { + instr_info->next_isa = ocsd_isa_thumb2; + branchAddr &= ~0x1; + } + instr_info->branch_addr = (ocsd_vaddr_t)branchAddr; + instr_info->is_link = inst_ARM_is_branch_and_link(instr_info->opcode, info); + } + else if((barrier = inst_ARM_barrier(instr_info->opcode)) != ARM_BARRIER_NONE) + { + switch(barrier) + { + case ARM_BARRIER_ISB: + instr_info->type = OCSD_INSTR_ISB; + break; + + case ARM_BARRIER_DSB: + case ARM_BARRIER_DMB: + if(instr_info->dsb_dmb_waypoints) + instr_info->type = OCSD_INSTR_DSB_DMB; + break; + } + } + else if (instr_info->wfi_wfe_branch) + { + if (inst_ARM_wfiwfe(instr_info->opcode)) + { + instr_info->type = OCSD_INSTR_WFI_WFE; + } + } + instr_info->is_conditional = inst_ARM_is_conditional(instr_info->opcode); + + return OCSD_OK; +} + +ocsd_err_t TrcIDecode::DecodeA64(ocsd_instr_info *instr_info, struct decode_info *info) +{ + uint64_t branchAddr = 0; + arm_barrier_t barrier; + + instr_info->instr_size = 4; // default address update + instr_info->type = OCSD_INSTR_OTHER; // default type + instr_info->next_isa = instr_info->isa; // assume same ISA + instr_info->is_link = 0; + + if(inst_A64_is_indirect_branch_link(instr_info->opcode, &instr_info->is_link, info)) + { + instr_info->type = OCSD_INSTR_BR_INDIRECT; + } + else if(inst_A64_is_direct_branch_link(instr_info->opcode, &instr_info->is_link, info)) + { + inst_A64_branch_destination(instr_info->instr_addr,instr_info->opcode,&branchAddr); + instr_info->type = OCSD_INSTR_BR; + instr_info->branch_addr = (ocsd_vaddr_t)branchAddr; + } + else if((barrier = inst_A64_barrier(instr_info->opcode)) != ARM_BARRIER_NONE) + { + switch(barrier) + { + case ARM_BARRIER_ISB: + instr_info->type = OCSD_INSTR_ISB; + break; + + case ARM_BARRIER_DSB: + case ARM_BARRIER_DMB: + if(instr_info->dsb_dmb_waypoints) + instr_info->type = OCSD_INSTR_DSB_DMB; + break; + } + } + else if (instr_info->wfi_wfe_branch && + inst_A64_wfiwfe(instr_info->opcode, info)) + { + instr_info->type = OCSD_INSTR_WFI_WFE; + } + else if (OCSD_IS_ARCH_MINVER(info->arch_version, ARCH_AA64)) + { + if (inst_A64_Tstart(instr_info->opcode)) + instr_info->type = OCSD_INSTR_TSTART; + } + + instr_info->is_conditional = inst_A64_is_conditional(instr_info->opcode); + + return OCSD_OK; +} + +ocsd_err_t TrcIDecode::DecodeT32(ocsd_instr_info *instr_info, struct decode_info *info) +{ + uint32_t branchAddr = 0; + arm_barrier_t barrier; + + // need to align the 32 bit opcode as 2 16 bit, with LS 16 as in top 16 bit of + // 32 bit word - T2 routines assume 16 bit in top 16 bit of 32 bit opcode. + uint32_t op_temp = (instr_info->opcode >> 16) & 0xFFFF; + op_temp |= ((instr_info->opcode & 0xFFFF) << 16); + instr_info->opcode = op_temp; + + + instr_info->instr_size = is_wide_thumb((uint16_t)(instr_info->opcode >> 16)) ? 4 : 2; + instr_info->type = OCSD_INSTR_OTHER; // default type + instr_info->next_isa = instr_info->isa; // assume same ISA + instr_info->is_link = 0; + instr_info->is_conditional = 0; + + + if(inst_Thumb_is_direct_branch_link(instr_info->opcode,&instr_info->is_link, &instr_info->is_conditional, info)) + { + inst_Thumb_branch_destination((uint32_t)instr_info->instr_addr,instr_info->opcode,&branchAddr); + instr_info->type = OCSD_INSTR_BR; + instr_info->branch_addr = (ocsd_vaddr_t)(branchAddr & ~0x1); + if((branchAddr & 0x1) == 0) + instr_info->next_isa = ocsd_isa_arm; + } + else if (inst_Thumb_is_indirect_branch_link(instr_info->opcode, &instr_info->is_link, info)) + { + instr_info->type = OCSD_INSTR_BR_INDIRECT; + } + else if((barrier = inst_Thumb_barrier(instr_info->opcode)) != ARM_BARRIER_NONE) + { + switch(barrier) + { + case ARM_BARRIER_ISB: + instr_info->type = OCSD_INSTR_ISB; + break; + + case ARM_BARRIER_DSB: + case ARM_BARRIER_DMB: + if(instr_info->dsb_dmb_waypoints) + instr_info->type = OCSD_INSTR_DSB_DMB; + break; + } + } + else if (instr_info->wfi_wfe_branch) + { + if (inst_Thumb_wfiwfe(instr_info->opcode)) + { + instr_info->type = OCSD_INSTR_WFI_WFE; + } + } + instr_info->is_conditional = inst_Thumb_is_conditional(instr_info->opcode); + instr_info->thumb_it_conditions = inst_Thumb_is_IT(instr_info->opcode); + + return OCSD_OK; +} + +/* End of File trc_i_decode.cpp */ diff --git a/decoder/source/i_dec/trc_idec_arminst.cpp b/decoder/source/i_dec/trc_idec_arminst.cpp new file mode 100644 index 0000000..76951fd --- /dev/null +++ b/decoder/source/i_dec/trc_idec_arminst.cpp @@ -0,0 +1,679 @@ +/* + * \file trc_idec_arminst.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* +Basic ARM/Thumb/A64 instruction decode, suitable for e.g. basic +block identification and trace decode. +*/ + +#include "i_dec/trc_idec_arminst.h" + +#include <stddef.h> /* for NULL */ +#include <assert.h> + +int inst_ARM_is_direct_branch(uint32_t inst) +{ + int is_direct_branch = 1; + if ((inst & 0xf0000000) == 0xf0000000) { + /* NV space */ + if ((inst & 0xfe000000) == 0xfa000000){ + /* BLX (imm) */ + } else { + is_direct_branch = 0; + } + } else if ((inst & 0x0e000000) == 0x0a000000) { + /* B, BL */ + } else { + is_direct_branch = 0; + } + return is_direct_branch; +} + +int inst_ARM_wfiwfe(uint32_t inst) +{ + if ( ((inst & 0xf0000000) != 0xf0000000) && + ((inst & 0x0ffffffe) == 0x0320f002) + ) + /* WFI & WFE may be traced as branches in etm4.3 ++ */ + return 1; + return 0; +} + +int inst_ARM_is_indirect_branch(uint32_t inst, struct decode_info *info) +{ + int is_indirect_branch = 1; + if ((inst & 0xf0000000) == 0xf0000000) { + /* NV space */ + if ((inst & 0xfe500000) == 0xf8100000) { + /* RFE */ + } else { + is_indirect_branch = 0; + } + } else if ((inst & 0x0ff000d0) == 0x01200010) { + /* BLX (register), BX */ + if ((inst & 0xFF) == 0x1E) + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* BX LR */ + } else if ((inst & 0x0ff000f0) == 0x01200020) { + /* BXJ: in v8 this behaves like BX */ + } else if ((inst & 0x0e108000) == 0x08108000) { + /* POP {...,pc} or LDMxx {...,pc} */ + if ((inst & 0x0FFFA000) == 0x08BD8000) /* LDMIA SP!,{...,pc} */ + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; + } else if ((inst & 0x0e50f000) == 0x0410f000) { + /* LDR PC,imm... inc. POP {PC} */ + if ( (inst & 0x01ff0000) == 0x009D0000) + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* LDR PC, [SP], #imm */ + } else if ((inst & 0x0e50f010) == 0x0610f000) { + /* LDR PC,reg */ + } else if ((inst & 0x0fe0f000) == 0x01a0f000) { + /* MOV PC,rx */ + if ((inst & 0x00100FFF) == 0x00E) /* ensure the S=0, LSL #0 variant - i.e plain MOV */ + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* MOV PC, R14 */ + } else if ((inst & 0x0f900080) == 0x01000000) { + /* "Miscellaneous instructions" - in DP space */ + is_indirect_branch = 0; + } else if ((inst & 0x0f9000f0) == 0x01800090) { + /* Some extended loads and stores */ + is_indirect_branch = 0; + } else if ((inst & 0x0fb0f000) == 0x0320f000) { + /* MSR #imm */ + is_indirect_branch = 0; + } else if ((inst & 0x0e00f000) == 0x0200f000) { + /* DP PC,imm shift */ + if ((inst & 0x0f90f000) == 0x0310f000) { + /* TST/CMP */ + is_indirect_branch = 0; + } + } else if ((inst & 0x0e00f000) == 0x0000f000) { + /* DP PC,reg */ + } else { + is_indirect_branch = 0; + } + return is_indirect_branch; +} + +int inst_Thumb_is_direct_branch(uint32_t inst, struct decode_info *info) +{ + uint8_t link, cond; + return inst_Thumb_is_direct_branch_link(inst, &link, &cond, info); +} + +int inst_Thumb_is_direct_branch_link(uint32_t inst, uint8_t *is_link, uint8_t *is_cond, struct decode_info *info) +{ + int is_direct_branch = 1; + + if ((inst & 0xf0000000) == 0xd0000000 && (inst & 0x0e000000) != 0x0e000000) { + /* B<c> (encoding T1) */ + *is_cond = 1; + } else if ((inst & 0xf8000000) == 0xe0000000) { + /* B (encoding T2) */ + } else if ((inst & 0xf800d000) == 0xf0008000 && (inst & 0x03800000) != 0x03800000) { + /* B (encoding T3) */ + *is_cond = 1; + } else if ((inst & 0xf8009000) == 0xf0009000) { + /* B (encoding T4); BL (encoding T1) */ + if (inst & 0x00004000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + } else if ((inst & 0xf800d001) == 0xf000c000) { + /* BLX (imm) (encoding T2) */ + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } else if ((inst & 0xf5000000) == 0xb1000000) { + /* CB(NZ) */ + *is_cond = 1; + } else { + is_direct_branch = 0; + } + return is_direct_branch; +} + +int inst_Thumb_wfiwfe(uint32_t inst) +{ + int is_wfiwfe = 1; + /* WFI, WFE may be branches in etm4.3++ */ + if ((inst & 0xfffffffe) == 0xf3af8002) { + /* WFI & WFE (encoding T2) */ + } + else if ((inst & 0xffef0000) == 0xbf200000) { + /* WFI & WFE (encoding T1) */ + } + else { + is_wfiwfe = 0; + } + return is_wfiwfe; +} + +int inst_Thumb_is_indirect_branch(uint32_t inst, struct decode_info *info) +{ + uint8_t link; + return inst_Thumb_is_indirect_branch_link(inst, &link, info); +} + +int inst_Thumb_is_indirect_branch_link(uint32_t inst, uint8_t *is_link, struct decode_info *info) +{ + /* See e.g. PFT Table 2-3 and Table 2-5 */ + int is_branch = 1; + + if ((inst & 0xff000000) == 0x47000000) { + /* BX, BLX (reg) [v8M includes BXNS, BLXNS] */ + if (inst & 0x00800000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + else if ((inst & 0x00780000) == 0x00700000) { + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* BX LR */ + } + } else if ((inst & 0xfff0d000) == 0xf3c08000) { + /* BXJ: in v8 this behaves like BX */ + } else if ((inst & 0xff000000) == 0xbd000000) { + /* POP {pc} */ + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; + } else if ((inst & 0xfd870000) == 0x44870000) { + /* MOV PC,reg or ADD PC,reg */ + if ((inst & 0xffff0000) == 0x46f70000) + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* MOV PC,LR */ + } else if ((inst & 0xfff0ffe0) == 0xe8d0f000) { + /* TBB/TBH */ + } else if ((inst & 0xffd00000) == 0xe8100000) { + /* RFE (T1) */ + } else if ((inst & 0xffd00000) == 0xe9900000) { + /* RFE (T2) */ + } else if ((inst & 0xfff0d000) == 0xf3d08000) { + /* SUBS PC,LR,#imm inc.ERET */ + } else if ((inst & 0xfff0f000) == 0xf8d0f000) { + /* LDR PC,imm (T3) */ + } else if ((inst & 0xff7ff000) == 0xf85ff000) { + /* LDR PC,literal (T2) */ + } else if ((inst & 0xfff0f800) == 0xf850f800) { + /* LDR PC,imm (T4) */ + if((inst & 0x000f0f00) == 0x000d0b00) + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* LDR PC, [SP], #imm*/ + } else if ((inst & 0xfff0ffc0) == 0xf850f000) { + /* LDR PC,reg (T2) */ + } else if ((inst & 0xfe508000) == 0xe8108000) { + /* LDM PC */ + if ((inst & 0x0FFF0000) == 0x08BD0000) /* LDMIA [SP]!, */ + info->instr_sub_type = OCSD_S_INSTR_V7_IMPLIED_RET; /* POP {...,pc} */ + } else { + is_branch = 0; + } + return is_branch; +} + +int inst_A64_is_direct_branch(uint32_t inst, struct decode_info *info) +{ + uint8_t link = 0; + return inst_A64_is_direct_branch_link(inst, &link, info); +} + +int inst_A64_is_direct_branch_link(uint32_t inst, uint8_t *is_link, struct decode_info *info) +{ + int is_direct_branch = 1; + if ((inst & 0x7c000000) == 0x34000000) { + /* CB, TB */ + } else if ((inst & 0xff000000) == 0x54000000) { + /* B<cond> */ + /* BC<cond> 8.8 / 9.3 arch - bit 4 = 1'b1 */ + } else if ((inst & 0x7c000000) == 0x14000000) { + /* B, BL imm */ + if (inst & 0x80000000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + } else { + is_direct_branch = 0; + } + return is_direct_branch; +} + +int inst_A64_wfiwfe(uint32_t inst, struct decode_info *info) +{ + /* WFI, WFE may be traced as branches in etm 4.3++ */ + if ((inst & 0xffffffdf) == 0xd503205f) + return 1; + + /* new feature introduced post v8.3 */ + if (OCSD_IS_ARCH_MINVER(info->arch_version, ARCH_AA64)) + { + /* WFIT / WFET for later archs */ + if ((inst & 0xffffffc0) == 0xd5031000) + return 1; + } + return 0; +} + +int inst_A64_Tstart(uint32_t inst) +{ + if ((inst & 0xffffffe0) == 0xd5233060) + return 1; + return 0; +} + +int inst_A64_is_indirect_branch(uint32_t inst, struct decode_info *info) +{ + uint8_t link = 0; + return inst_A64_is_indirect_branch_link(inst, &link, info); +} + +int inst_A64_is_indirect_branch_link(uint32_t inst, uint8_t *is_link, struct decode_info *info) +{ + int is_indirect_branch = 1; + + if ((inst & 0xffdffc1f) == 0xd61f0000) { + /* BR, BLR */ + if (inst & 0x00200000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + } else if ((inst & 0xfffffc1f) == 0xd65f0000) { + info->instr_sub_type = OCSD_S_INSTR_V8_RET; + /* RET */ + } else if ((inst & 0xffffffff) == 0xd69f03e0) { + /* ERET */ + info->instr_sub_type = OCSD_S_INSTR_V8_ERET; + } else if (OCSD_IS_ARCH_MINVER(info->arch_version, ARCH_V8r3)) { + /* new pointer auth instr for v8.3 arch */ + if ((inst & 0xffdff800) == 0xd71f0800) { + /* BRAA, BRAB, BLRAA, BLRBB */ + if (inst & 0x00200000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + } else if ((inst & 0xffdff81F) == 0xd61f081F) { + /* BRAAZ, BRABZ, BLRAAZ, BLRBBZ */ + if (inst & 0x00200000) { + *is_link = 1; + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } + } else if ((inst & 0xfffffbff) == 0xd69f0bff) { + /* ERETAA, ERETAB */ + info->instr_sub_type = OCSD_S_INSTR_V8_ERET; + } else if ((inst & 0xfffffbff) == 0xd65f0bff) { + /* RETAA, RETAB */ + info->instr_sub_type = OCSD_S_INSTR_V8_RET; + } else { + is_indirect_branch = 0; + } + } else { + is_indirect_branch = 0; + } + return is_indirect_branch; +} + +int inst_ARM_branch_destination(uint32_t addr, uint32_t inst, uint32_t *pnpc) +{ + uint32_t npc; + int is_direct_branch = 1; + if ((inst & 0x0e000000) == 0x0a000000) { + /* + B: cccc:1010:imm24 + BL: cccc:1011:imm24 + BLX: 1111:101H:imm24 + */ + npc = addr + 8 + ((int32_t)((inst & 0xffffff) << 8) >> 6); + if ((inst & 0xf0000000) == 0xf0000000) { + npc |= 1; /* indicate ISA is now Thumb */ + npc |= ((inst >> 23) & 2); /* apply the H bit */ + } + } else { + is_direct_branch = 0; + } + if (is_direct_branch && pnpc != NULL) { + *pnpc = npc; + } + return is_direct_branch; +} + +int inst_Thumb_branch_destination(uint32_t addr, uint32_t inst, uint32_t *pnpc) +{ + uint32_t npc; + int is_direct_branch = 1; + if ((inst & 0xf0000000) == 0xd0000000 && (inst & 0x0e000000) != 0x0e000000) { + /* B<c> (encoding T1) */ + npc = addr + 4 + ((int32_t)((inst & 0x00ff0000) << 8) >> 23); + npc |= 1; + } else if ((inst & 0xf8000000) == 0xe0000000) { + /* B (encoding T2) */ + npc = addr + 4 + ((int32_t)((inst & 0x07ff0000) << 5) >> 20); + npc |= 1; + } else if ((inst & 0xf800d000) == 0xf0008000 && (inst & 0x03800000) != 0x03800000) { + /* B (encoding T3) */ + npc = addr + 4 + ((int32_t)(((inst & 0x04000000) << 5) | + ((inst & 0x0800) << 19) | + ((inst & 0x2000) << 16) | + ((inst & 0x003f0000) << 7) | + ((inst & 0x000007ff) << 12)) >> 11); + npc |= 1; + } else if ((inst & 0xf8009000) == 0xf0009000) { + /* B (encoding T4); BL (encoding T1) */ + uint32_t S = ((inst & 0x04000000) >> 26)-1; /* ffffffff or 0 according to S bit */ + npc = addr + 4 + ((int32_t)(((inst & 0x04000000) << 5) | + (((inst^S) & 0x2000) << 17) | + (((inst^S) & 0x0800) << 18) | + ((inst & 0x03ff0000) << 3) | + ((inst & 0x000007ff) << 8)) >> 7); + npc |= 1; + } else if ((inst & 0xf800d001) == 0xf000c000) { + /* BLX (encoding T2) */ + uint32_t S = ((inst & 0x04000000) >> 26)-1; /* ffffffff or 0 according to S bit */ + addr &= 0xfffffffc; /* Align(PC,4) */ + npc = addr + 4 + ((int32_t)(((inst & 0x04000000) << 5) | + (((inst^S) & 0x2000) << 17) | + (((inst^S) & 0x0800) << 18) | + ((inst & 0x03ff0000) << 3) | + ((inst & 0x000007fe) << 8)) >> 7); + /* don't set the Thumb bit, as we're transferring to ARM */ + } else if ((inst & 0xf5000000) == 0xb1000000) { + /* CB(NZ) */ + /* Note that it's zero-extended - always a forward branch */ + npc = addr + 4 + ((((inst & 0x02000000) << 6) | + ((inst & 0x00f80000) << 7)) >> 25); + npc |= 1; + } else { + is_direct_branch = 0; + } + if (is_direct_branch && pnpc != NULL) { + *pnpc = npc; + } + return is_direct_branch; +} + +int inst_A64_branch_destination(uint64_t addr, uint32_t inst, uint64_t *pnpc) +{ + uint64_t npc; + int is_direct_branch = 1; + if ((inst & 0xff000000) == 0x54000000) { + /* B<cond> */ + /* BC<cond> */ + npc = addr + ((int32_t)((inst & 0x00ffffe0) << 8) >> 11); + } else if ((inst & 0x7c000000) == 0x14000000) { + /* B, BL imm */ + npc = addr + ((int32_t)((inst & 0x03ffffff) << 6) >> 4); + } else if ((inst & 0x7e000000) == 0x34000000) { + /* CB */ + npc = addr + ((int32_t)((inst & 0x00ffffe0) << 8) >> 11); + } else if ((inst & 0x7e000000) == 0x36000000) { + /* TB */ + npc = addr + ((int32_t)((inst & 0x0007ffe0) << 13) >> 16); + } else { + is_direct_branch = 0; + } + if (is_direct_branch && pnpc != NULL) { + *pnpc = npc; + } + return is_direct_branch; +} + +int inst_ARM_is_branch(uint32_t inst, struct decode_info *info) +{ + return inst_ARM_is_indirect_branch(inst, info) || + inst_ARM_is_direct_branch(inst); +} + +int inst_Thumb_is_branch(uint32_t inst, struct decode_info *info) +{ + return inst_Thumb_is_indirect_branch(inst, info) || + inst_Thumb_is_direct_branch(inst, info); +} + +int inst_A64_is_branch(uint32_t inst, struct decode_info *info) +{ + return inst_A64_is_indirect_branch(inst, info) || + inst_A64_is_direct_branch(inst, info); +} + +int inst_ARM_is_branch_and_link(uint32_t inst, struct decode_info *info) +{ + int is_branch = 1; + if ((inst & 0xf0000000) == 0xf0000000) { + if ((inst & 0xfe000000) == 0xfa000000){ + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + /* BLX (imm) */ + } else { + is_branch = 0; + } + } else if ((inst & 0x0f000000) == 0x0b000000) { + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + /* BL */ + } else if ((inst & 0x0ff000f0) == 0x01200030) { + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + /* BLX (reg) */ + } else { + is_branch = 0; + } + return is_branch; +} + +int inst_Thumb_is_branch_and_link(uint32_t inst, struct decode_info *info) +{ + int is_branch = 1; + if ((inst & 0xff800000) == 0x47800000) { + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + /* BLX (reg) */ + } else if ((inst & 0xf800c000) == 0xf000c000) { + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + /* BL, BLX (imm) */ + } else { + is_branch = 0; + } + return is_branch; +} + +int inst_A64_is_branch_and_link(uint32_t inst, struct decode_info *info) +{ + int is_branch = 1; + if ((inst & 0xfffffc1f) == 0xd63f0000) { + /* BLR */ + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } else if ((inst & 0xfc000000) == 0x94000000) { + /* BL */ + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } else if (OCSD_IS_ARCH_MINVER(info->arch_version, ARCH_V8r3)) { + /* new pointer auth instr for v8.3 arch */ + if ((inst & 0xfffff800) == 0xd73f0800) { + /* BLRAA, BLRBB */ + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } else if ((inst & 0xfffff81F) == 0xd63f081F) { + /* BLRAAZ, BLRBBZ */ + info->instr_sub_type = OCSD_S_INSTR_BR_LINK; + } else { + is_branch = 0; + } + } else { + is_branch = 0; + } + return is_branch; +} + +int inst_ARM_is_conditional(uint32_t inst) +{ + return (inst & 0xe0000000) != 0xe0000000; +} + +int inst_Thumb_is_conditional(uint32_t inst) +{ + if ((inst & 0xf0000000) == 0xd0000000 && (inst & 0x0e000000) != 0x0e000000) { + /* B<c> (encoding T1) */ + return 1; + } else if ((inst & 0xf800d000) == 0xf0008000 && (inst & 0x03800000) != 0x03800000) { + /* B<c> (encoding T3) */ + return 1; + } else if ((inst & 0xf5000000) == 0xb1000000) { + /* CB(N)Z */ + return 1; + } + return 0; +} + +unsigned int inst_Thumb_is_IT(uint32_t inst) +{ + if ((inst & 0xff000000) == 0xbf000000 && + (inst & 0x000f0000) != 0x00000000) { + if (inst & 0x00010000) { + return 4; + } else if (inst & 0x00020000) { + return 3; + } else if (inst & 0x00040000) { + return 2; + } else { + assert(inst & 0x00080000); + return 1; + } + } else { + return 0; + } +} + +/* +Test whether an A64 instruction is conditional. + +Instructions like CSEL, CSINV, CCMP are not classed as conditional. +They use the condition code but do one of two things with it, +neither a NOP. The "intruction categories" section of ETMv4 +lists no (non branch) conditional instructions for A64. +*/ +int inst_A64_is_conditional(uint32_t inst) +{ + if ((inst & 0x7c000000) == 0x34000000) { + /* CB, TB */ + return 1; + } else if ((inst & 0xff000000) == 0x54000000) { + /* B.cond */ + /* BC.cond */ + return 1; + } + return 0; +} + +arm_barrier_t inst_ARM_barrier(uint32_t inst) +{ + if ((inst & 0xfff00000) == 0xf5700000) { + switch (inst & 0xf0) { + case 0x40: + return ARM_BARRIER_DSB; + case 0x50: + return ARM_BARRIER_DMB; + case 0x60: + return ARM_BARRIER_ISB; + default: + return ARM_BARRIER_NONE; + } + } else if ((inst & 0x0fff0f00) == 0x0e070f00) { + switch (inst & 0xff) { + case 0x9a: + return ARM_BARRIER_DSB; /* mcr p15,0,Rt,c7,c10,4 */ + case 0xba: + return ARM_BARRIER_DMB; /* mcr p15,0,Rt,c7,c10,5 */ + case 0x95: + return ARM_BARRIER_ISB; /* mcr p15,0,Rt,c7,c5,4 */ + default: + return ARM_BARRIER_NONE; + } + } else { + return ARM_BARRIER_NONE; + } +} + +arm_barrier_t inst_Thumb_barrier(uint32_t inst) +{ + if ((inst & 0xffffff00) == 0xf3bf8f00) { + switch (inst & 0xf0) { + case 0x40: + return ARM_BARRIER_DSB; + case 0x50: + return ARM_BARRIER_DMB; + case 0x60: + return ARM_BARRIER_ISB; + default: + return ARM_BARRIER_NONE; + } + } else if ((inst & 0xffff0f00) == 0xee070f00) { + /* Thumb2 CP15 barriers are unlikely... 1156T2 only? */ + switch (inst & 0xff) { + case 0x9a: + return ARM_BARRIER_DSB; /* mcr p15,0,Rt,c7,c10,4 */ + case 0xba: + return ARM_BARRIER_DMB; /* mcr p15,0,Rt,c7,c10,5 */ + case 0x95: + return ARM_BARRIER_ISB; /* mcr p15,0,Rt,c7,c5,4 */ + default: + return ARM_BARRIER_NONE; + } + return ARM_BARRIER_NONE; + } else { + return ARM_BARRIER_NONE; + } +} + +arm_barrier_t inst_A64_barrier(uint32_t inst) +{ + if ((inst & 0xfffff09f) == 0xd503309f) { + switch (inst & 0x60) { + case 0x0: + return ARM_BARRIER_DSB; + case 0x20: + return ARM_BARRIER_DMB; + case 0x40: + return ARM_BARRIER_ISB; + default: + return ARM_BARRIER_NONE; + } + } else { + return ARM_BARRIER_NONE; + } +} + +int inst_ARM_is_UDF(uint32_t inst) +{ + return (inst & 0xfff000f0) == 0xe7f000f0; +} + +int inst_Thumb_is_UDF(uint32_t inst) +{ + return (inst & 0xff000000) == 0xde000000 || /* T1 */ + (inst & 0xfff0f000) == 0xf7f0a000; /* T2 */ +} + +int inst_A64_is_UDF(uint32_t inst) +{ + /* No A64 encodings are formally allocated as permanently undefined, + but it is intended not to allocate any instructions in the 21-bit + regions at the bottom or top of the range. */ + return (inst & 0xffe00000) == 0x00000000 || + (inst & 0xffe00000) == 0xffe00000; +} + +/* End of File trc_idec_arminst.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_base.cpp b/decoder/source/mem_acc/trc_mem_acc_base.cpp new file mode 100644 index 0000000..1250bdc --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_base.cpp @@ -0,0 +1,148 @@ +/*! + * \file trc_mem_acc_base.cpp + * \brief OpenCSD : Trace memory accessor base class. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "mem_acc/trc_mem_acc_base.h" +#include "mem_acc/trc_mem_acc_file.h" +#include "mem_acc/trc_mem_acc_cb.h" +#include "mem_acc/trc_mem_acc_bufptr.h" + +#include <sstream> +#include <iomanip> + + /** Accessor Creation */ +ocsd_err_t TrcMemAccFactory::CreateBufferAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const uint8_t *p_buffer, const uint32_t size) +{ + ocsd_err_t err = OCSD_OK; + TrcMemAccessorBase *pAcc = 0; + pAcc = new (std::nothrow) TrcMemAccBufPtr(s_address,p_buffer,size); + if(pAcc == 0) + err = OCSD_ERR_MEM; + *pAccessor = pAcc; + return err; +} + +ocsd_err_t TrcMemAccFactory::CreateFileAccessor(TrcMemAccessorBase **pAccessor, const std::string &pathToFile, ocsd_vaddr_t startAddr, size_t offset /*= 0*/, size_t size /*= 0*/) +{ + ocsd_err_t err = OCSD_OK; + TrcMemAccessorFile *pFileAccessor = 0; + err = TrcMemAccessorFile::createFileAccessor(&pFileAccessor, pathToFile, startAddr, offset,size); + *pAccessor = pFileAccessor; + return err; +} + +ocsd_err_t TrcMemAccFactory::CreateCBAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const ocsd_vaddr_t e_address, const ocsd_mem_space_acc_t mem_space) +{ + ocsd_err_t err = OCSD_OK; + TrcMemAccessorBase *pAcc = 0; + pAcc = new (std::nothrow) TrcMemAccCB(s_address,e_address,mem_space); + if(pAcc == 0) + err = OCSD_ERR_MEM; + *pAccessor = pAcc; + return err; +} + +/** Accessor Destruction */ +void TrcMemAccFactory::DestroyAccessor(TrcMemAccessorBase *pAccessor) +{ + switch(pAccessor->getType()) + { + case TrcMemAccessorBase::MEMACC_FILE: + TrcMemAccessorFile::destroyFileAccessor(dynamic_cast<TrcMemAccessorFile *>(pAccessor)); + break; + + case TrcMemAccessorBase::MEMACC_CB_IF: + case TrcMemAccessorBase::MEMACC_BUFPTR: + delete pAccessor; + break; + + default: + break; + } +} + + +/* memory access info logging */ +void TrcMemAccessorBase::getMemAccString(std::string &accStr) const +{ + std::ostringstream oss; + + switch(m_type) + { + case MEMACC_FILE: + oss << "FileAcc; Range::0x"; + break; + + case MEMACC_BUFPTR: + oss << "BuffAcc; Range::0x"; + break; + + case MEMACC_CB_IF: + oss << "CB Acc; Range::0x"; + break; + + default: + oss << "UnknAcc; Range::0x"; + break; + } + oss << std::hex << std::setw(2) << std::setfill('0') << m_startAddress << ":" << m_endAddress; + oss << "; Mem Space::"; + switch(m_mem_space) + { + case OCSD_MEM_SPACE_EL1S: oss << "EL1S"; break; + case OCSD_MEM_SPACE_EL1N: oss << "EL1N"; break; + case OCSD_MEM_SPACE_EL2: oss << "EL2"; break; + case OCSD_MEM_SPACE_EL3: oss << "EL3"; break; + case OCSD_MEM_SPACE_S: oss << "Any S"; break; + case OCSD_MEM_SPACE_N: oss << "Any NS"; break; + case OCSD_MEM_SPACE_ANY: oss << "Any"; break; + + default: + { + uint8_t MSBits = (uint8_t)m_mem_space; + if(MSBits & (uint8_t)OCSD_MEM_SPACE_EL1S) + oss << "EL1S,"; + if(MSBits & (uint8_t)OCSD_MEM_SPACE_EL1N) + oss << "EL1N,"; + if(MSBits & (uint8_t)OCSD_MEM_SPACE_EL2) + oss << "EL2,"; + if(MSBits & (uint8_t)OCSD_MEM_SPACE_EL3) + oss << "EL3,"; + } + break; + } + accStr = oss.str(); +} + +/* End of File trc_mem_acc_base.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_bufptr.cpp b/decoder/source/mem_acc/trc_mem_acc_bufptr.cpp new file mode 100644 index 0000000..7ecd3b0 --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_bufptr.cpp @@ -0,0 +1,53 @@ +/* + * \file trc_mem_acc_bufptr.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <cstring> + +#include "mem_acc/trc_mem_acc_bufptr.h" + +TrcMemAccBufPtr::TrcMemAccBufPtr(const ocsd_vaddr_t s_address, const uint8_t *p_buffer, const uint32_t size) : + TrcMemAccessorBase(MEMACC_BUFPTR, s_address, s_address+size-1), + m_p_buffer(p_buffer) +{ +} + +const uint32_t TrcMemAccBufPtr::readBytes(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer) +{ + // mapper wlll filter memory spaces. + uint32_t bytesRead = bytesInRange(address,reqBytes); // check bytes available + if(bytesRead) + memcpy(byteBuffer,m_p_buffer+address-m_startAddress,bytesRead); + return bytesRead; +} + +/* End of File trc_mem_acc_bufptr.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_cache.cpp b/decoder/source/mem_acc/trc_mem_acc_cache.cpp new file mode 100644 index 0000000..444314e --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_cache.cpp @@ -0,0 +1,176 @@ +/*! +* \file trc_mem_acc_cache.cpp +* \brief OpenCSD : Memory accessor cache. +* +* \copyright Copyright (c) 2018, ARM Limited. All Rights Reserved. +*/ + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <cstring> +#include <sstream> +#include <iomanip> +#include "mem_acc/trc_mem_acc_cache.h" +#include "mem_acc/trc_mem_acc_base.h" +#include "interfaces/trc_error_log_i.h" + +#ifdef LOG_CACHE_STATS +#define INC_HITS_RL(idx) m_hits++; m_hit_rl[m_mru_idx]++; +#define INC_MISS() m_misses++; +#define INC_PAGES() m_pages++; +#define SET_MAX_RL(idx) \ + { \ + if (m_hit_rl_max[idx] < m_hit_rl[idx]) \ + m_hit_rl_max[idx] = m_hit_rl[idx]; \ + m_hit_rl[idx] = 0; \ + } +#define INC_RL(idx) m_hit_rl[m_mru_idx]++; +#else +#define INC_HITS_RL(idx) +#define INC_MISS() +#define INC_PAGES() +#define SET_MAX_RL(idx) +#define INC_RL(idx) +#endif + +// uncomment to log cache ops +//#define LOG_CACHE_OPS + +ocsd_err_t TrcMemAccCache::readBytesFromCache(TrcMemAccessorBase *p_accessor, const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t trcID, uint32_t *numBytes, uint8_t *byteBuffer) +{ + uint32_t bytesRead = 0, reqBytes = *numBytes; + ocsd_err_t err = OCSD_OK; + +#ifdef LOG_CACHE_OPS + std::ostringstream oss; +#endif + + if (m_bCacheEnabled) + { + if (blockInCache(address, reqBytes)) + { + bytesRead = reqBytes; + memcpy(byteBuffer, &m_mru[m_mru_idx].data[address - m_mru[m_mru_idx].st_addr], reqBytes); +#ifdef LOG_CACHE_OPS + oss << "TrcMemAccCache:: hit [page: " << std::dec << m_mru_idx << "[addr:0x" << std::hex << address << ", bytes: " << std::dec << reqBytes << "]\n"; + logMsg(oss.str()); +#endif + INC_HITS_RL(m_mru_idx); + } + else + { + INC_MISS(); +#ifdef LOG_CACHE_OPS + oss << "TrcMemAccCache:: miss [addr:0x" << std::hex << address << ", bytes: " << std::dec << reqBytes << "]\n"; + logMsg(oss.str()); +#endif + /* need a new cache page - check the underlying accessor for the data */ + m_mru_idx = m_mru_next_new; + m_mru[m_mru_idx].valid_len = p_accessor->readBytes(address, mem_space, trcID, MEM_ACC_CACHE_PAGE_SIZE, &m_mru[m_mru_idx].data[0]); + + /* check return length valid - v bad if return length more than request */ + if (m_mru[m_mru_idx].valid_len > MEM_ACC_CACHE_PAGE_SIZE) + { + m_mru[m_mru_idx].valid_len = 0; // set to nothing returned. + err = OCSD_ERR_MEM_ACC_BAD_LEN; + } + + if (m_mru[m_mru_idx].valid_len > 0) + { + // got some data - so save the + m_mru[m_mru_idx].st_addr = address; + + // log the run length hit counts + SET_MAX_RL(m_mru_idx); + +#ifdef LOG_CACHE_OPS + oss.str(""); + oss << "TrcMemAccCache:: load [page: " << std::dec << m_mru_idx << "[addr:0x" << std::hex << address << ", bytes: " << std::dec << m_mru[m_mru_idx].valid_len << "]\n"; + logMsg(oss.str()); +#endif + INC_PAGES(); + + // increment the next new page counter. + m_mru_next_new++; + if (m_mru_next_new == MEM_ACC_CACHE_MRU_SIZE) + m_mru_next_new = 0; + + if (blockInPage(address, reqBytes)) /* check we got the data we needed */ + { + bytesRead = reqBytes; + memcpy(byteBuffer, &m_mru[m_mru_idx].data[address - m_mru[m_mru_idx].st_addr], reqBytes); + INC_RL(m_mru_idx); + } + else + { +#ifdef LOG_CACHE_OPS + oss.str(""); + oss << "TrcMemAccCache:: miss-after-load [page: " << std::dec << m_mru_idx << "[addr:0x" << std::hex << address << ", bytes: " << std::dec << m_mru[m_mru_idx].valid_len << "]\n"; + logMsg(oss.str()); +#endif + INC_MISS(); + } + } + } + } + *numBytes = bytesRead; + return err; +} + +void TrcMemAccCache::logMsg(const std::string &szMsg) +{ + if (m_err_log) + m_err_log->LogMessage(ITraceErrorLog::HANDLE_GEN_INFO, OCSD_ERR_SEV_INFO, szMsg); +} + +void TrcMemAccCache::setErrorLog(ITraceErrorLog *log) +{ + m_err_log = log; +} + +void TrcMemAccCache::logAndClearCounts() +{ +#ifdef LOG_CACHE_STATS + std::ostringstream oss; + + oss << "TrcMemAccCache:: cache performance: hits(" << std::dec << m_hits << "), miss(" << m_misses << "), pages(" << m_pages << ")\n"; + logMsg(oss.str()); + for (int i = 0; i < MEM_ACC_CACHE_MRU_SIZE; i++) + { + if (m_hit_rl_max[i] < m_hit_rl[i]) + m_hit_rl_max[i] = m_hit_rl[i]; + oss.str(""); + oss << "Run length max page " << std::dec << i << ": " << m_hit_rl_max[i] << "\n"; + logMsg(oss.str()); + } + m_hits = m_misses = m_pages = 0; +#endif +} + + +/* End of File trc_mem_acc_cache.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_cb.cpp b/decoder/source/mem_acc/trc_mem_acc_cb.cpp new file mode 100644 index 0000000..1a1565b --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_cb.cpp @@ -0,0 +1,34 @@ +/*! + * \file trc_mem_acc_cb.cpp + * \brief OpenCSD : Trace Mem accessor - callback function + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +#include "mem_acc/trc_mem_acc_cb.h" + +TrcMemAccCB::TrcMemAccCB(const ocsd_vaddr_t s_address, + const ocsd_vaddr_t e_address, + const ocsd_mem_space_acc_t mem_space) : + TrcMemAccessorBase(MEMACC_CB_IF, s_address, e_address), + m_p_CBclass(0), + m_p_CBfn(0), + m_p_cbfn_context(0) +{ + setMemSpace(mem_space); +} + +/** Memory access override - allow decoder to read bytes from the buffer. */ +const uint32_t TrcMemAccCB::readBytes(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t memSpace, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer) +{ + // if we have a callback object, use it to call back. + if(m_p_CBclass) + return m_p_CBclass->readBytes(address,memSpace,reqBytes,byteBuffer); + if(m_p_CBfn) + return m_p_CBfn(m_p_cbfn_context, address,memSpace,reqBytes,byteBuffer); + if (m_p_CBIDfn) + return m_p_CBIDfn(m_p_cbfn_context, address, memSpace, trcID, reqBytes, byteBuffer); + return 0; +} + +/* End of File trc_mem_acc_cb.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_file.cpp b/decoder/source/mem_acc/trc_mem_acc_file.cpp new file mode 100644 index 0000000..25b718e --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_file.cpp @@ -0,0 +1,391 @@ +/* + * \file trc_mem_acc_file.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "mem_acc/trc_mem_acc_file.h" + +#include <sstream> +#include <iomanip> + +/***************************************************/ +/* protected construction and reference counting */ +/***************************************************/ + +TrcMemAccessorFile::TrcMemAccessorFile() : TrcMemAccessorBase(MEMACC_FILE) +{ + m_ref_count = 0; + m_base_range_set = false; + m_has_access_regions = false; + m_file_size = 0; +} + +TrcMemAccessorFile::~TrcMemAccessorFile() +{ + if(m_mem_file.is_open()) + m_mem_file.close(); + if(m_access_regions.size()) + { + std::list<FileRegionMemAccessor *>::iterator it; + it = m_access_regions.begin(); + while(it != m_access_regions.end()) + { + delete (*it); + it++; + } + m_access_regions.clear(); + } +} + +ocsd_err_t TrcMemAccessorFile::initAccessor(const std::string &pathToFile, ocsd_vaddr_t startAddr, size_t offset, size_t size) +{ + ocsd_err_t err = OCSD_OK; + bool init = false; + + m_mem_file.open(pathToFile.c_str(), std::ifstream::binary | std::ifstream::ate); + if(m_mem_file.is_open()) + { + m_file_size = (ocsd_vaddr_t)m_mem_file.tellg() & ((ocsd_vaddr_t)~0x1); + m_mem_file.seekg(0, m_mem_file.beg); + // adding an offset of 0, sets the base range. + if((offset == 0) && (size == 0)) + { + init = AddOffsetRange(startAddr, ((size_t)m_file_size)-offset, offset); + } + else if((offset + size) <= m_file_size) + { + // if offset != 0, size must by != 0 + init = AddOffsetRange(startAddr, size, offset); + } + m_file_path = pathToFile; + } + else + err = OCSD_ERR_MEM_ACC_FILE_NOT_FOUND; + if(!init) + err = OCSD_ERR_NOT_INIT; + return err; +} + + +FileRegionMemAccessor *TrcMemAccessorFile::getRegionForAddress(const ocsd_vaddr_t startAddr) const +{ + FileRegionMemAccessor *p_region = 0; + if(m_has_access_regions) + { + std::list<FileRegionMemAccessor *>::const_iterator it; + it = m_access_regions.begin(); + while((it != m_access_regions.end()) && (p_region == 0)) + { + if((*it)->addrInRange(startAddr)) + p_region = *it; + it++; + } + } + return p_region; +} + + +/***************************************************/ +/* static object creation */ +/***************************************************/ + +std::map<std::string, TrcMemAccessorFile *> TrcMemAccessorFile::s_FileAccessorMap; + +// return existing or create new accessor +ocsd_err_t TrcMemAccessorFile::createFileAccessor(TrcMemAccessorFile **p_acc, const std::string &pathToFile, ocsd_vaddr_t startAddr, size_t offset /*= 0*/, size_t size /*= 0*/) +{ + ocsd_err_t err = OCSD_OK; + TrcMemAccessorFile * acc = 0; + std::map<std::string, TrcMemAccessorFile *>::iterator it = s_FileAccessorMap.find(pathToFile); + if(it != s_FileAccessorMap.end()) + { + acc = it->second; + if(acc->addrStartOfRange(startAddr)) + acc->IncRefCount(); + else + { + err = OCSD_ERR_MEM_ACC_FILE_DIFF_RANGE; + acc = 0; + } + } + else + { + acc = new (std::nothrow) TrcMemAccessorFile(); + if(acc != 0) + { + if((err = acc->initAccessor(pathToFile,startAddr, offset,size)) == OCSD_OK) + { + acc->IncRefCount(); + s_FileAccessorMap.insert(std::pair<std::string, TrcMemAccessorFile *>(pathToFile,acc)); + } + else + { + delete acc; + acc = 0; + } + } + else + err = OCSD_ERR_MEM; + } + *p_acc = acc; + return err; +} + +void TrcMemAccessorFile::destroyFileAccessor(TrcMemAccessorFile *p_accessor) +{ + if(p_accessor != 0) + { + p_accessor->DecRefCount(); + if(p_accessor->getRefCount() == 0) + { + std::map<std::string, TrcMemAccessorFile *>::iterator it = s_FileAccessorMap.find(p_accessor->getFilePath()); + if(it != s_FileAccessorMap.end()) + { + s_FileAccessorMap.erase(it); + } + delete p_accessor; + } + } +} + +const bool TrcMemAccessorFile::isExistingFileAccessor(const std::string &pathToFile) +{ + bool bExists = false; + std::map<std::string, TrcMemAccessorFile *>::const_iterator it = s_FileAccessorMap.find(pathToFile); + if(it != s_FileAccessorMap.end()) + bExists = true; + return bExists; +} + +TrcMemAccessorFile * TrcMemAccessorFile::getExistingFileAccessor(const std::string &pathToFile) +{ + TrcMemAccessorFile * p_acc = 0; + std::map<std::string, TrcMemAccessorFile *>::iterator it = s_FileAccessorMap.find(pathToFile); + if(it != s_FileAccessorMap.end()) + p_acc = it->second; + return p_acc; +} + + + +/***************************************************/ +/* accessor instance functions */ +/***************************************************/ +const uint32_t TrcMemAccessorFile::readBytes(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer) +{ + if(!m_mem_file.is_open()) + return 0; + uint32_t bytesRead = 0; + + if(m_base_range_set) + { + bytesRead = TrcMemAccessorBase::bytesInRange(address,reqBytes); // get avialable bytes in range. + if(bytesRead) + { + ocsd_vaddr_t addr_pos = (ocsd_vaddr_t)m_mem_file.tellg(); + if((address - m_startAddress) != addr_pos) + m_mem_file.seekg(address - m_startAddress); + m_mem_file.read((char *)byteBuffer,bytesRead); + } + } + + if((bytesRead == 0) && m_has_access_regions) + { + bytesRead = bytesInRange(address,reqBytes); + if(bytesRead) + { + FileRegionMemAccessor *p_region = getRegionForAddress(address); + ocsd_vaddr_t addr_pos = (ocsd_vaddr_t)m_mem_file.tellg(); + if((address - p_region->regionStartAddress() + p_region->getOffset()) != addr_pos) + m_mem_file.seekg(address - p_region->regionStartAddress() + p_region->getOffset()); + m_mem_file.read((char *)byteBuffer,bytesRead); + } + } + return bytesRead; +} + +bool TrcMemAccessorFile::AddOffsetRange(const ocsd_vaddr_t startAddr, const size_t size, const size_t offset) +{ + bool addOK = false; + if(m_file_size == 0) // must have set the file size + return false; + if(addrInRange(startAddr) || addrInRange(startAddr+size-1)) // cannot be overlapping + return false; + + // now either set the base range or an offset range + if(offset == 0) + { + if(!m_base_range_set) + { + setRange(startAddr, startAddr+size-1); + m_base_range_set = true; + addOK = true; + } + } + else + { + if((offset + size) <= m_file_size) + { + FileRegionMemAccessor *frmacc = new (std::nothrow) FileRegionMemAccessor(); + if(frmacc) + { + frmacc->setOffset(offset); + frmacc->setRange(startAddr,startAddr+size-1); + m_access_regions.push_back(frmacc); + m_access_regions.sort(); + // may need to trim the 0 offset base range... + if(m_base_range_set) + { + std::list<FileRegionMemAccessor *>::iterator it; + it = m_access_regions.begin(); + size_t first_range_offset = (*it)->getOffset(); + if((m_startAddress + first_range_offset - 1) > m_endAddress) + m_endAddress = m_startAddress + first_range_offset - 1; + } + addOK = true; + m_has_access_regions = true; + } + } + } + return addOK; +} + +const bool TrcMemAccessorFile::addrInRange(const ocsd_vaddr_t s_address) const +{ + bool bInRange = false; + if(m_base_range_set) + bInRange = TrcMemAccessorBase::addrInRange(s_address); + + if(!bInRange && m_has_access_regions) + { + if(getRegionForAddress(s_address) != 0) + bInRange = true; + } + return bInRange; +} + +const bool TrcMemAccessorFile::addrStartOfRange(const ocsd_vaddr_t s_address) const +{ + bool bInRange = false; + if(m_base_range_set) + bInRange = TrcMemAccessorBase::addrStartOfRange(s_address); + if(!bInRange && m_has_access_regions) + { + FileRegionMemAccessor *pRegion = getRegionForAddress(s_address); + if(pRegion) + bInRange = (pRegion->regionStartAddress() == s_address); + } + return bInRange; +} + + + /* validate ranges */ +const bool TrcMemAccessorFile::validateRange() +{ + bool bRangeValid = true; + if(m_base_range_set) + bRangeValid = TrcMemAccessorBase::validateRange(); + + if(m_has_access_regions && bRangeValid) + { + std::list<FileRegionMemAccessor *>::const_iterator it; + it = m_access_regions.begin(); + while((it != m_access_regions.end()) && bRangeValid) + { + bRangeValid = (*it)->validateRange(); + it++; + } + } + return bRangeValid; +} + +const uint32_t TrcMemAccessorFile::bytesInRange(const ocsd_vaddr_t s_address, const uint32_t reqBytes) const +{ + uint32_t bytesInRange = 0; + if(m_base_range_set) + bytesInRange = TrcMemAccessorBase::bytesInRange(s_address,reqBytes); + + if((bytesInRange == 0) && (m_has_access_regions)) + { + FileRegionMemAccessor *p_region = getRegionForAddress(s_address); + bytesInRange = p_region->bytesInRange(s_address,reqBytes); + } + + return bytesInRange; +} + +const bool TrcMemAccessorFile::overLapRange(const TrcMemAccessorBase *p_test_acc) const +{ + bool bOverLapRange = false; + if(m_base_range_set) + bOverLapRange = TrcMemAccessorBase::overLapRange(p_test_acc); + + if(!bOverLapRange && (m_has_access_regions)) + { + std::list<FileRegionMemAccessor *>::const_iterator it; + it = m_access_regions.begin(); + while((it != m_access_regions.end()) && !bOverLapRange) + { + bOverLapRange = (*it)->overLapRange(p_test_acc); + it++; + } + } + return bOverLapRange; +} + + /*! Override to handle ranges and offset accessors plus add in file name. */ +void TrcMemAccessorFile::getMemAccString(std::string &accStr) const +{ + std::ostringstream oss; + accStr = ""; + if(m_base_range_set) + { + TrcMemAccessorBase::getMemAccString(accStr); + } + + if(m_has_access_regions) + { + std::string addStr; + std::list<FileRegionMemAccessor *>::const_iterator it; + it = m_access_regions.begin(); + while(it != m_access_regions.end()) + { + (*it)->getMemAccString(addStr); + if(accStr.length()) + accStr += "\n"; + accStr += addStr; + it++; + } + } + accStr += (std::string)"\nFilename=" + m_file_path; +} + +/* End of File trc_mem_acc_file.cpp */ diff --git a/decoder/source/mem_acc/trc_mem_acc_mapper.cpp b/decoder/source/mem_acc/trc_mem_acc_mapper.cpp new file mode 100644 index 0000000..dc07a1e --- /dev/null +++ b/decoder/source/mem_acc/trc_mem_acc_mapper.cpp @@ -0,0 +1,307 @@ +/* + * \file trc_mem_acc_mapper.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "mem_acc/trc_mem_acc_mapper.h" +#include "mem_acc/trc_mem_acc_file.h" +#include "common/ocsd_error.h" + +/************************************************************************************/ +/* mappers base class */ +/************************************************************************************/ + +#define USING_MEM_ACC_CACHE + +TrcMemAccMapper::TrcMemAccMapper() : + m_acc_curr(0), + m_trace_id_curr(0), + m_using_trace_id(false), + m_err_log(0) +{ +#ifdef USING_MEM_ACC_CACHE + m_cache.enableCaching(true); +#endif +} + +TrcMemAccMapper::TrcMemAccMapper(bool using_trace_id) : + m_acc_curr(0), + m_trace_id_curr(0), + m_using_trace_id(using_trace_id), + m_err_log(0) +{ +#ifdef USING_MEM_ACC_CACHE + m_cache.enableCaching(true); +#endif +} + +TrcMemAccMapper::~TrcMemAccMapper() +{ +} + +void TrcMemAccMapper::setErrorLog(ITraceErrorLog *err_log_i) +{ + m_err_log = err_log_i; + m_cache.setErrorLog(err_log_i); +} + +// memory access interface +ocsd_err_t TrcMemAccMapper::ReadTargetMemory(const ocsd_vaddr_t address, const uint8_t cs_trace_id, const ocsd_mem_space_acc_t mem_space, uint32_t *num_bytes, uint8_t *p_buffer) +{ + bool bReadFromCurr = true; + uint32_t readBytes = 0; + ocsd_err_t err = OCSD_OK; + + /* see if the address is in any range we know */ + if (!readFromCurrent(address, mem_space, cs_trace_id)) + { + bReadFromCurr = findAccessor(address, mem_space, cs_trace_id); + + // found a new accessor - invalidate any cache entries used by the previous one. + if (m_cache.enabled() && bReadFromCurr) + m_cache.invalidateAll(); + } + + /* if bReadFromCurr then we know m_acc_curr is set */ + if (bReadFromCurr) + { + // use cache if enabled and the amount fits into a cache page + if (m_cache.enabled_for_size(*num_bytes)) + { + // read from cache - or load a new cache page and read.... + readBytes = *num_bytes; + err = m_cache.readBytesFromCache(m_acc_curr, address, mem_space, cs_trace_id, &readBytes, p_buffer); + if (err != OCSD_OK) + LogWarn(err, "Mem Acc: Cache access error"); + } + else + { + readBytes = m_acc_curr->readBytes(address, mem_space, cs_trace_id, *num_bytes, p_buffer); + // guard against bad accessor returns (e.g. callback not obeying the rules for return values) + if (readBytes > *num_bytes) + { + err = OCSD_ERR_MEM_ACC_BAD_LEN; + LogWarn(err,"Mem acc: bad return length"); + } + } + } + + *num_bytes = readBytes; + return err; +} + +void TrcMemAccMapper::InvalidateMemAccCache(const uint8_t /* cs_trace_id */) +{ + // default mapper does not use cs_trace_id for cache invalidation. + if (m_cache.enabled()) + m_cache.invalidateAll(); + m_acc_curr = 0; +} + +void TrcMemAccMapper::RemoveAllAccessors() +{ + TrcMemAccessorBase *pAcc = 0; + pAcc = getFirstAccessor(); + while(pAcc != 0) + { + TrcMemAccFactory::DestroyAccessor(pAcc); + pAcc = getNextAccessor(); + if (m_cache.enabled()) + m_cache.invalidateAll(); + } + clearAccessorList(); + if (m_cache.enabled()) + m_cache.logAndClearCounts(); +} + +ocsd_err_t TrcMemAccMapper::RemoveAccessorByAddress(const ocsd_vaddr_t st_address, const ocsd_mem_space_acc_t mem_space, const uint8_t cs_trace_id /* = 0 */) +{ + ocsd_err_t err = OCSD_OK; + if(findAccessor(st_address,mem_space,cs_trace_id)) + { + err = RemoveAccessor(m_acc_curr); + m_acc_curr = 0; + if (m_cache.enabled()) + m_cache.invalidateAll(); + } + else + err = OCSD_ERR_INVALID_PARAM_VAL; + if (m_cache.enabled()) + m_cache.logAndClearCounts(); + return err; +} + +void TrcMemAccMapper::LogMessage(const std::string &msg) +{ + if(m_err_log) + m_err_log->LogMessage(ITraceErrorLog::HANDLE_GEN_INFO,OCSD_ERR_SEV_INFO,msg); +} + +void TrcMemAccMapper::LogWarn(const ocsd_err_t err, const std::string &msg) +{ + if (m_err_log) + { + ocsdError err_ocsd(OCSD_ERR_SEV_WARN,err,msg); + m_err_log->LogError(ITraceErrorLog::HANDLE_GEN_INFO, &err_ocsd); + } +} + + +/************************************************************************************/ +/* mappers global address space class - no differentiation in core trace IDs */ +/************************************************************************************/ +TrcMemAccMapGlobalSpace::TrcMemAccMapGlobalSpace() : TrcMemAccMapper() +{ +} + +TrcMemAccMapGlobalSpace::~TrcMemAccMapGlobalSpace() +{ +} + +ocsd_err_t TrcMemAccMapGlobalSpace::AddAccessor(TrcMemAccessorBase *p_accessor, const uint8_t /*cs_trace_id*/) +{ + ocsd_err_t err = OCSD_OK; + bool bOverLap = false; + + if(!p_accessor->validateRange()) + return OCSD_ERR_MEM_ACC_RANGE_INVALID; + + std::vector<TrcMemAccessorBase *>::const_iterator it = m_acc_global.begin(); + while((it != m_acc_global.end()) && !bOverLap) + { + // if overlap and memory space match + if( ((*it)->overLapRange(p_accessor)) && + ((*it)->inMemSpace(p_accessor->getMemSpace())) + ) + { + bOverLap = true; + err = OCSD_ERR_MEM_ACC_OVERLAP; + } + it++; + } + + // no overlap - add to the list of ranges. + if(!bOverLap) + m_acc_global.push_back(p_accessor); + + return err; +} + +bool TrcMemAccMapGlobalSpace::findAccessor(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t /*cs_trace_id*/) +{ + bool bFound = false; + std::vector<TrcMemAccessorBase *>::const_iterator it = m_acc_global.begin(); + while((it != m_acc_global.end()) && !bFound) + { + if( (*it)->addrInRange(address) && + (*it)->inMemSpace(mem_space)) + { + bFound = true; + m_acc_curr = *it; + } + it++; + } + return bFound; +} + +bool TrcMemAccMapGlobalSpace::readFromCurrent(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t /*cs_trace_id*/) +{ + bool readFromCurr = false; + if(m_acc_curr) + readFromCurr = (m_acc_curr->addrInRange(address) && m_acc_curr->inMemSpace(mem_space)); + return readFromCurr; +} + + +TrcMemAccessorBase * TrcMemAccMapGlobalSpace::getFirstAccessor() +{ + TrcMemAccessorBase *p_acc = 0; + m_acc_it = m_acc_global.begin(); + if(m_acc_it != m_acc_global.end()) + { + p_acc = *m_acc_it; + } + return p_acc; +} + +TrcMemAccessorBase *TrcMemAccMapGlobalSpace::getNextAccessor() +{ + TrcMemAccessorBase *p_acc = 0; + m_acc_it++; + if(m_acc_it != m_acc_global.end()) + { + p_acc = *m_acc_it; + } + return p_acc; +} + +void TrcMemAccMapGlobalSpace::clearAccessorList() +{ + m_acc_global.clear(); +} + +ocsd_err_t TrcMemAccMapGlobalSpace::RemoveAccessor(const TrcMemAccessorBase *p_accessor) +{ + bool bFound = false; + TrcMemAccessorBase *p_acc = getFirstAccessor(); + while(p_acc != 0) + { + if(p_acc == p_accessor) + { + m_acc_global.erase(m_acc_it); + TrcMemAccFactory::DestroyAccessor(p_acc); + p_acc = 0; + bFound = true; + } + else + p_acc = getNextAccessor(); + } + return bFound ? OCSD_OK : OCSD_ERR_INVALID_PARAM_VAL; +} + + +void TrcMemAccMapGlobalSpace::logMappedRanges() +{ + std::string accStr; + TrcMemAccessorBase *pAccessor = getFirstAccessor(); + LogMessage("Mapped Memory Accessors\n"); + while(pAccessor != 0) + { + pAccessor->getMemAccString(accStr); + accStr += "\n"; + LogMessage(accStr); + pAccessor = getNextAccessor(); + } + LogMessage("========================\n"); +} + +/* End of File trc_mem_acc_mapper.cpp */ diff --git a/decoder/source/ocsd_code_follower.cpp b/decoder/source/ocsd_code_follower.cpp new file mode 100644 index 0000000..4386eb4 --- /dev/null +++ b/decoder/source/ocsd_code_follower.cpp @@ -0,0 +1,162 @@ +/* + * \file ocsd_code_follower.cpp + * \brief OpenCSD : Instruction Code path follower. + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_code_follower.h" + +OcsdCodeFollower::OcsdCodeFollower() +{ + m_instr_info.pe_type.arch = ARCH_UNKNOWN; + m_instr_info.pe_type.profile = profile_Unknown; + m_instr_info.isa = ocsd_isa_unknown; + m_instr_info.dsb_dmb_waypoints = 0; + m_instr_info.wfi_wfe_branch = 0; + m_instr_info.instr_addr = 0; + m_instr_info.opcode = 0; + m_pMemAccess = 0; + m_pIDecode = 0; + m_mem_space_csid = 0; + m_st_range_addr = m_en_range_addr = m_next_addr = 0; + m_b_next_valid = false; + m_b_nacc_err = false; +} + +OcsdCodeFollower::~OcsdCodeFollower() +{ +} + +void OcsdCodeFollower::initInterfaces(componentAttachPt<ITargetMemAccess> *pMemAccess, componentAttachPt<IInstrDecode> *pIDecode) +{ + m_pMemAccess = pMemAccess; + m_pIDecode = pIDecode; +} + +bool OcsdCodeFollower::initFollowerState() +{ + bool initDone = false; + + // reset per follow flags + m_b_next_valid = false; + m_b_nacc_err = false; + + // set range addresses + m_en_range_addr = m_next_addr = m_st_range_addr; + +// check initialisation is valid. + + // must have attached memory access and i-decode objects + if(m_pMemAccess && m_pIDecode) + { + initDone = (m_pMemAccess->hasAttachedAndEnabled() && m_pIDecode->hasAttachedAndEnabled()); + } + return initDone; +} + +/*! + * Decodes an instruction at a single location, calculates the next address + * if possible according to the instruction type and atom. + * + * @param addrStart : Address of the instruction + * @param A : Atom value - E or N + * + * @return ocsd_err_t : OCSD_OK - decode correct, check flags for next address + * : OCSD_ERR_MEM_NACC - unable to access memory area @ address - need new address in trace packet stream. + * : OCSD_ERR_NOT_INIT - not initialised - fatal. + * : OCSD_<other> - other error occured - fatal. + */ +ocsd_err_t OcsdCodeFollower::followSingleAtom(const ocsd_vaddr_t addrStart, const ocsd_atm_val A) +{ + ocsd_err_t err = OCSD_ERR_NOT_INIT; + + if(!initFollowerState()) + return err; + + m_en_range_addr = m_st_range_addr = m_instr_info.instr_addr = addrStart; + err = decodeSingleOpCode(); + + if(err != OCSD_OK) + return err; + + // set end range - always after the instruction executed. + m_en_range_addr = m_instr_info.instr_addr + m_instr_info.instr_size; + + // assume next addr is the instruction after + m_next_addr = m_en_range_addr; + m_b_next_valid = true; + + // case when next address is different + switch(m_instr_info.type) + { + case OCSD_INSTR_BR: + if(A == ATOM_E) // executed the direct branch + m_next_addr = m_instr_info.branch_addr; + break; + + case OCSD_INSTR_BR_INDIRECT: + if(A == ATOM_E) // executed indirect branch + m_b_next_valid = false; + break; + } + return err; +} + +ocsd_err_t OcsdCodeFollower::decodeSingleOpCode() +{ + ocsd_err_t err = OCSD_OK; + // request 4 bytes for the opcode - even for Thumb which may be T32 + uint32_t bytesReq = 4; + uint32_t opcode; // buffer for opcode + + // read memory location for opcode + err = m_pMemAccess->first()->ReadTargetMemory(m_instr_info.instr_addr,m_mem_space_csid,m_mem_acc_rule,&bytesReq,(uint8_t *)&opcode); + + // operational error (not access problem - that is indicated by 0 bytes returned) + if(err != OCSD_OK) + return err; + + if(bytesReq == 4) // check that we got all memory requested. + { + m_instr_info.opcode = opcode; + err = m_pIDecode->first()->DecodeInstruction(&m_instr_info); + } + else // otherwise memory unavailable. + { + m_b_nacc_err = true; + m_nacc_address = m_instr_info.instr_addr; + err = OCSD_ERR_MEM_NACC; + } + return err; +} + +/* End of File ocsd_code_follower.cpp */ diff --git a/decoder/source/ocsd_dcd_tree.cpp b/decoder/source/ocsd_dcd_tree.cpp new file mode 100644 index 0000000..8e29269 --- /dev/null +++ b/decoder/source/ocsd_dcd_tree.cpp @@ -0,0 +1,785 @@ +/* + * \file ocsd_dcd_tree.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_dcd_tree.h" +#include "common/ocsd_lib_dcd_register.h" +#include "mem_acc/trc_mem_acc_mapper.h" + +/***************************************************************/ +ITraceErrorLog *DecodeTree::s_i_error_logger = &DecodeTree::s_error_logger; +std::list<DecodeTree *> DecodeTree::s_trace_dcd_trees; /**< list of pointers to decode tree objects */ +ocsdDefaultErrorLogger DecodeTree::s_error_logger; /**< The library default error logger */ +TrcIDecode DecodeTree::s_instruction_decoder; /**< default instruction decode library */ + +DecodeTree *DecodeTree::CreateDecodeTree(const ocsd_dcd_tree_src_t src_type, uint32_t formatterCfgFlags) +{ + DecodeTree *dcd_tree = new (std::nothrow) DecodeTree(); + if(dcd_tree != 0) + { + if(dcd_tree->initialise(src_type, formatterCfgFlags)) + { + s_trace_dcd_trees.push_back(dcd_tree); + } + else + { + delete dcd_tree; + dcd_tree = 0; + } + } + return dcd_tree; +} + +void DecodeTree::DestroyDecodeTree(DecodeTree *p_dcd_tree) +{ + std::list<DecodeTree *>::iterator it; + bool bDestroyed = false; + it = s_trace_dcd_trees.begin(); + while(!bDestroyed && (it != s_trace_dcd_trees.end())) + { + if(*it == p_dcd_tree) + { + s_trace_dcd_trees.erase(it); + delete p_dcd_tree; + bDestroyed = true; + } + else + it++; + } +} + +void DecodeTree::setAlternateErrorLogger(ITraceErrorLog *p_error_logger) +{ + if(p_error_logger) + s_i_error_logger = p_error_logger; + else + s_i_error_logger = &s_error_logger; +} + +/***************************************************************/ + +DecodeTree::DecodeTree() : + m_i_instr_decode(&s_instruction_decoder), + m_i_mem_access(0), + m_i_gen_elem_out(0), + m_i_decoder_root(0), + m_frame_deformatter_root(0), + m_decode_elem_iter(0), + m_default_mapper(0), + m_created_mapper(false) +{ + for(int i = 0; i < 0x80; i++) + m_decode_elements[i] = 0; + + // reset the global demux stats. + m_demux_stats.frame_bytes = 0; + m_demux_stats.no_id_bytes = 0; + m_demux_stats.valid_id_bytes = 0; + m_demux_stats.unknown_id_bytes = 0; + m_demux_stats.reserved_id_bytes = 0; +} + +DecodeTree::~DecodeTree() +{ + destroyMemAccMapper(); + for(uint8_t i = 0; i < 0x80; i++) + { + destroyDecodeElement(i); + } + PktPrinterFact::destroyAllPrinters(m_printer_list); + delete m_frame_deformatter_root; +} + + + +ocsd_datapath_resp_t DecodeTree::TraceDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + if(m_i_decoder_root) + return m_i_decoder_root->TraceDataIn(op,index,dataBlockSize,pDataBlock,numBytesProcessed); + *numBytesProcessed = 0; + return OCSD_RESP_FATAL_NOT_INIT; +} + +/* set key interfaces - attach / replace on any existing tree components */ +void DecodeTree::setInstrDecoder(IInstrDecode *i_instr_decode) +{ + uint8_t elemID; + DecodeTreeElement *pElem = 0; + + pElem = getFirstElement(elemID); + while(pElem != 0) + { + pElem->getDecoderMngr()->attachInstrDecoder(pElem->getDecoderHandle(),i_instr_decode); + pElem = getNextElement(elemID); + } +} + +void DecodeTree::setMemAccessI(ITargetMemAccess *i_mem_access) +{ + uint8_t elemID; + DecodeTreeElement *pElem = 0; + + pElem = getFirstElement(elemID); + while(pElem != 0) + { + pElem->getDecoderMngr()->attachMemAccessor(pElem->getDecoderHandle(),i_mem_access); + pElem = getNextElement(elemID); + } + m_i_mem_access = i_mem_access; +} + +void DecodeTree::setGenTraceElemOutI(ITrcGenElemIn *i_gen_trace_elem) +{ + uint8_t elemID; + DecodeTreeElement *pElem = 0; + + pElem = getFirstElement(elemID); + while(pElem != 0) + { + pElem->getDecoderMngr()->attachOutputSink(pElem->getDecoderHandle(),i_gen_trace_elem); + pElem = getNextElement(elemID); + } +} + +ocsd_err_t DecodeTree::createMemAccMapper(memacc_mapper_t type /* = MEMACC_MAP_GLOBAL*/ ) +{ + // clean up any old one + destroyMemAccMapper(); + + // make a new one + switch(type) + { + default: + case MEMACC_MAP_GLOBAL: + m_default_mapper = new (std::nothrow) TrcMemAccMapGlobalSpace(); + break; + } + + // set the access interface + if(m_default_mapper) + { + m_created_mapper = true; + setMemAccessI(m_default_mapper); + m_default_mapper->setErrorLog(s_i_error_logger); + } + + return (m_default_mapper != 0) ? OCSD_OK : OCSD_ERR_MEM; +} + +void DecodeTree::setExternMemAccMapper(TrcMemAccMapper* pMapper) +{ + destroyMemAccMapper(); // destroy any existing mapper - if decode tree created it. + m_default_mapper = pMapper; +} + +void DecodeTree::destroyMemAccMapper() +{ + if(m_default_mapper && m_created_mapper) + { + m_default_mapper->RemoveAllAccessors(); + delete m_default_mapper; + m_default_mapper = 0; + m_created_mapper = false; + } +} + +void DecodeTree::logMappedRanges() +{ + if(m_default_mapper) + m_default_mapper->logMappedRanges(); +} + +/* Memory accessor creation - all on default mem accessor using the 0 CSID for global core space. */ +ocsd_err_t DecodeTree::addBufferMemAcc(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t *p_mem_buffer, const uint32_t mem_length) +{ + if(!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + + // need a valid memory buffer, and a least enough bytes for one opcode. + if((p_mem_buffer == 0) || (mem_length < 4)) + return OCSD_ERR_INVALID_PARAM_VAL; + + TrcMemAccessorBase *p_accessor; + ocsd_err_t err = TrcMemAccFactory::CreateBufferAccessor(&p_accessor, address, p_mem_buffer, mem_length); + if(err == OCSD_OK) + { + TrcMemAccBufPtr *pMBuffAcc = dynamic_cast<TrcMemAccBufPtr *>(p_accessor); + if(pMBuffAcc) + { + pMBuffAcc->setMemSpace(mem_space); + err = m_default_mapper->AddAccessor(p_accessor,0); + } + else + err = OCSD_ERR_MEM; // wrong type of object - treat as mem error + + if(err != OCSD_OK) + TrcMemAccFactory::DestroyAccessor(p_accessor); + } + return err; +} + +ocsd_err_t DecodeTree::addBinFileMemAcc(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const std::string &filepath) +{ + if(!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + + if(filepath.length() == 0) + return OCSD_ERR_INVALID_PARAM_VAL; + + TrcMemAccessorBase *p_accessor; + ocsd_err_t err = TrcMemAccFactory::CreateFileAccessor(&p_accessor,filepath,address); + + if(err == OCSD_OK) + { + TrcMemAccessorFile *pAcc = dynamic_cast<TrcMemAccessorFile *>(p_accessor); + if(pAcc) + { + pAcc->setMemSpace(mem_space); + err = m_default_mapper->AddAccessor(pAcc,0); + } + else + err = OCSD_ERR_MEM; // wrong type of object - treat as mem error + + if(err != OCSD_OK) + TrcMemAccFactory::DestroyAccessor(p_accessor); + } + return err; + +} + +ocsd_err_t DecodeTree::addBinFileRegionMemAcc(const ocsd_file_mem_region_t *region_array, const int num_regions, const ocsd_mem_space_acc_t mem_space, const std::string &filepath) +{ + if(!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + + if((region_array == 0) || (num_regions == 0) || (filepath.length() == 0)) + return OCSD_ERR_INVALID_PARAM_VAL; + + TrcMemAccessorBase *p_accessor; + int curr_region_idx = 0; + + // add first region during the creation of the file accessor. + ocsd_err_t err = TrcMemAccFactory::CreateFileAccessor(&p_accessor,filepath,region_array[curr_region_idx].start_address,region_array[curr_region_idx].file_offset, region_array[curr_region_idx].region_size); + if(err == OCSD_OK) + { + TrcMemAccessorFile *pAcc = dynamic_cast<TrcMemAccessorFile *>(p_accessor); + if(pAcc) + { + // add additional regions to the file accessor. + curr_region_idx++; + while(curr_region_idx < num_regions) + { + pAcc->AddOffsetRange(region_array[curr_region_idx].start_address, + region_array[curr_region_idx].region_size, + region_array[curr_region_idx].file_offset); + curr_region_idx++; + } + pAcc->setMemSpace(mem_space); + + // add the accessor to the map. + err = m_default_mapper->AddAccessor(pAcc,0); + } + else + err = OCSD_ERR_MEM; // wrong type of object - treat as mem error + + if(err != OCSD_OK) + TrcMemAccFactory::DestroyAccessor(p_accessor); + } + return err; +} + +ocsd_err_t DecodeTree::updateBinFileRegionMemAcc(const ocsd_file_mem_region_t *region_array, const int num_regions, const ocsd_mem_space_acc_t mem_space, const std::string &filepath) +{ + if (!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + + if ((region_array == 0) || (num_regions == 0) || (filepath.length() == 0)) + return OCSD_ERR_INVALID_PARAM_VAL; + + TrcMemAccessorFile *pAcc = TrcMemAccessorFile::getExistingFileAccessor(filepath); + if (!pAcc) + return OCSD_ERR_INVALID_PARAM_VAL; + + int curr_region_idx = 0; + while (curr_region_idx < num_regions) + { + // check "new" range + if (!pAcc->addrStartOfRange(region_array[curr_region_idx].start_address)) + { + // ensure adds cleanly + if (!pAcc->AddOffsetRange(region_array[curr_region_idx].start_address, + region_array[curr_region_idx].region_size, + region_array[curr_region_idx].file_offset)) + return OCSD_ERR_INVALID_PARAM_VAL; // otherwise bail out + } + curr_region_idx++; + } + return OCSD_OK; +} +ocsd_err_t DecodeTree::initCallbackMemAcc(const ocsd_vaddr_t st_address, const ocsd_vaddr_t en_address, + const ocsd_mem_space_acc_t mem_space, void *p_cb_func, bool IDfn, const void *p_context) +{ + if(!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + + if(p_cb_func == 0) + return OCSD_ERR_INVALID_PARAM_VAL; + + TrcMemAccessorBase *p_accessor; + ocsd_err_t err = TrcMemAccFactory::CreateCBAccessor(&p_accessor, st_address, en_address, mem_space); + if(err == OCSD_OK) + { + TrcMemAccCB *pCBAcc = dynamic_cast<TrcMemAccCB *>(p_accessor); + if(pCBAcc) + { + if (IDfn) + pCBAcc->setCBIDIfFn((Fn_MemAccID_CB)p_cb_func, p_context); + else + pCBAcc->setCBIfFn((Fn_MemAcc_CB)p_cb_func, p_context); + + err = m_default_mapper->AddAccessor(p_accessor,0); + } + else + err = OCSD_ERR_MEM; // wrong type of object - treat as mem error + + if(err != OCSD_OK) + TrcMemAccFactory::DestroyAccessor(p_accessor); + } + return err; +} + +ocsd_err_t DecodeTree::addCallbackMemAcc(const ocsd_vaddr_t st_address, const ocsd_vaddr_t en_address, const ocsd_mem_space_acc_t mem_space, Fn_MemAcc_CB p_cb_func, const void *p_context) +{ + return initCallbackMemAcc(st_address, en_address, mem_space, (void *)p_cb_func, false, p_context); +} + +ocsd_err_t DecodeTree::addCallbackIDMemAcc(const ocsd_vaddr_t st_address, const ocsd_vaddr_t en_address, const ocsd_mem_space_acc_t mem_space, Fn_MemAccID_CB p_cb_func, const void *p_context) +{ + return initCallbackMemAcc(st_address, en_address, mem_space, (void *)p_cb_func, true, p_context); +} + +ocsd_err_t DecodeTree::removeMemAccByAddress(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space) +{ + if(!hasMemAccMapper()) + return OCSD_ERR_NOT_INIT; + return m_default_mapper->RemoveAccessorByAddress(address,mem_space,0); +} + +ocsd_err_t DecodeTree::createDecoder(const std::string &decoderName, const int createFlags, const CSConfig *pConfig) +{ + ocsd_err_t err = OCSD_OK; + IDecoderMngr *pDecoderMngr = 0; + TraceComponent *pTraceComp = 0; + int crtFlags = createFlags; + + uint8_t CSID = 0; // default for single stream decoder (no deformatter) - we ignore the ID + if(usingFormatter()) + { + CSID = pConfig->getTraceID(); + crtFlags |= OCSD_CREATE_FLG_INST_ID; + } + + // create the decode element to attach to the channel. + if((err = createDecodeElement(CSID)) != OCSD_OK) + return err; + + // get the libary decoder register. + OcsdLibDcdRegister * lib_reg = OcsdLibDcdRegister::getDecoderRegister(); + if(lib_reg == 0) + return OCSD_ERR_NOT_INIT; + + // find the named decoder + if((err = lib_reg->getDecoderMngrByName(decoderName,&pDecoderMngr)) != OCSD_OK) + return err; + + // got the decoder... + if((err = pDecoderMngr->createDecoder(crtFlags,(int)CSID,pConfig,&pTraceComp)) != OCSD_OK) + return err; + + m_decode_elements[CSID]->SetDecoderElement(decoderName, pDecoderMngr, pTraceComp, true); + + // always attach an error logger + if(err == OCSD_OK) + err = pDecoderMngr->attachErrorLogger(pTraceComp,DecodeTree::s_i_error_logger); + + // if we created a packet decoder it may need additional components. + if(crtFlags & OCSD_CREATE_FLG_FULL_DECODER) + { + if(m_i_instr_decode && (err == OCSD_OK)) + err = pDecoderMngr->attachInstrDecoder(pTraceComp,m_i_instr_decode); + + if(err == OCSD_ERR_DCD_INTERFACE_UNUSED) // ignore if instruction decoder refused + err = OCSD_OK; + + if(m_i_mem_access && (err == OCSD_OK)) + err = pDecoderMngr->attachMemAccessor(pTraceComp,m_i_mem_access); + + if(err == OCSD_ERR_DCD_INTERFACE_UNUSED) // ignore if mem accessor refused + err = OCSD_OK; + + if( m_i_gen_elem_out && (err == OCSD_OK)) + err = pDecoderMngr->attachOutputSink(pTraceComp,m_i_gen_elem_out); + } + + // finally attach the packet processor input to the demux output channel + if(err == OCSD_OK) + { + ITrcDataIn *pDataIn = 0; + if((err = pDecoderMngr->getDataInputI(pTraceComp,&pDataIn)) == OCSD_OK) + { + // got the interface -> attach to demux, or direct to input of decode tree + if(usingFormatter()) + err = m_frame_deformatter_root->getIDStreamAttachPt(CSID)->attach(pDataIn); + else + m_i_decoder_root = pDataIn; + } + } + + if(err != OCSD_OK) + { + destroyDecodeElement(CSID); // will destroy decoder as well. + } + return err; +} + +ocsd_err_t DecodeTree::removeDecoder(const uint8_t CSID) +{ + ocsd_err_t err = OCSD_OK; + uint8_t localID = CSID; + if(!usingFormatter()) + localID = 0; + + if(usingFormatter() && !OCSD_IS_VALID_CS_SRC_ID(CSID)) + err = OCSD_ERR_INVALID_ID; + else + { + destroyDecodeElement(localID); + } + return err; +} + +ocsd_err_t DecodeTree::getDecoderStats(const uint8_t CSID, ocsd_decode_stats_t **p_stats_block) +{ + ocsd_err_t err = OCSD_OK; + TrcPktProcI *pPktProc = getPktProcI(CSID); + if (!pPktProc) + return OCSD_ERR_INVALID_PARAM_VAL; + err = pPktProc->getStatsBlock(p_stats_block); + if (err == OCSD_OK) { + // copy in the global demux stats. + (*p_stats_block)->demux.frame_bytes = m_demux_stats.frame_bytes; + (*p_stats_block)->demux.no_id_bytes = m_demux_stats.no_id_bytes; + (*p_stats_block)->demux.valid_id_bytes = m_demux_stats.valid_id_bytes; + (*p_stats_block)->demux.unknown_id_bytes = m_demux_stats.unknown_id_bytes; + (*p_stats_block)->demux.reserved_id_bytes = m_demux_stats.reserved_id_bytes; + } + return err; +} + +ocsd_err_t DecodeTree::resetDecoderStats(const uint8_t CSID) +{ + TrcPktProcI *pPktProc = getPktProcI(CSID); + if (!pPktProc) + return OCSD_ERR_INVALID_PARAM_VAL; + pPktProc->resetStats(); + + // reset the global demux stats. + m_demux_stats.frame_bytes = 0; + m_demux_stats.no_id_bytes = 0; + m_demux_stats.valid_id_bytes = 0; + m_demux_stats.unknown_id_bytes = 0; + m_demux_stats.reserved_id_bytes = 0; + return OCSD_OK; +} + +TrcPktProcI *DecodeTree::getPktProcI(const uint8_t CSID) +{ + TrcPktProcI *pPktProc = 0; + TraceComponent *pComp, *pAssoc; + DecodeTreeElement *pElem = getDecoderElement(CSID); + + if (pElem) + { + pComp = pElem->getDecoderHandle(); + if (pComp) + { + /* if this is a full decoder then the associated component is the packet processor */ + pAssoc = pComp->getAssocComponent(); + if (pAssoc) + pPktProc = dynamic_cast<TrcPktProcI *>(pAssoc); + else + pPktProc = dynamic_cast<TrcPktProcI *>(pComp); + } + } + return pPktProc; +} + +DecodeTreeElement * DecodeTree::getDecoderElement(const uint8_t CSID) const +{ + DecodeTreeElement *ret_elem = 0; + if(usingFormatter() && OCSD_IS_VALID_CS_SRC_ID(CSID)) + { + ret_elem = m_decode_elements[CSID]; + } + else + ret_elem = m_decode_elements[0]; // ID 0 is used if single leaf tree. + return ret_elem; +} + +DecodeTreeElement *DecodeTree::getFirstElement(uint8_t &elemID) +{ + m_decode_elem_iter = 0; + return getNextElement(elemID); +} + +DecodeTreeElement *DecodeTree::getNextElement(uint8_t &elemID) +{ + DecodeTreeElement *ret_elem = 0; + + if(m_decode_elem_iter < 0x80) + { + // find a none zero entry or end of range + while((m_decode_elem_iter < 0x80) && (m_decode_elements[m_decode_elem_iter] == 0)) + m_decode_elem_iter++; + + // return entry unless end of range + if(m_decode_elem_iter < 0x80) + { + ret_elem = m_decode_elements[m_decode_elem_iter]; + elemID = m_decode_elem_iter; + m_decode_elem_iter++; + } + } + return ret_elem; +} + +bool DecodeTree::initialise(const ocsd_dcd_tree_src_t type, uint32_t formatterCfgFlags) +{ + ocsd_err_t err; + m_dcd_tree_type = type; + if(type == OCSD_TRC_SRC_FRAME_FORMATTED) + { + // frame formatted - we want to create the deformatter and hook it up + m_frame_deformatter_root = new (std::nothrow) TraceFormatterFrameDecoder(); + if(m_frame_deformatter_root) + { + if (m_frame_deformatter_root->Init() != OCSD_OK) + return false; + m_frame_deformatter_root->getErrLogAttachPt()->attach(DecodeTree::s_i_error_logger); + err = m_frame_deformatter_root->Configure(formatterCfgFlags); + if (err != OCSD_OK) + return false; + m_i_decoder_root = dynamic_cast<ITrcDataIn*>(m_frame_deformatter_root); + m_frame_deformatter_root->SetDemuxStatsBlock(&m_demux_stats); + } + else + return false; + } + return true; +} + +void DecodeTree::setSingleRoot(TrcPktProcI *pComp) +{ + m_i_decoder_root = static_cast<ITrcDataIn*>(pComp); +} + +ocsd_err_t DecodeTree::createDecodeElement(const uint8_t CSID) +{ + ocsd_err_t err = OCSD_ERR_INVALID_ID; + if(CSID < 0x80) + { + if(m_decode_elements[CSID] == 0) + { + m_decode_elements[CSID] = new (std::nothrow) DecodeTreeElement(); + if(m_decode_elements[CSID] == 0) + err = OCSD_ERR_MEM; + else + err = OCSD_OK; + } + else + err = OCSD_ERR_ATTACH_TOO_MANY; + } + return err; +} + +void DecodeTree::destroyDecodeElement(const uint8_t CSID) +{ + if(CSID < 0x80) + { + if(m_decode_elements[CSID] != 0) + { + m_decode_elements[CSID]->DestroyElem(); + delete m_decode_elements[CSID]; + m_decode_elements[CSID] = 0; + } + } +} + +ocsd_err_t DecodeTree::setIDFilter(std::vector<uint8_t> &ids) +{ + ocsd_err_t err = OCSD_ERR_DCDT_NO_FORMATTER; + if(usingFormatter()) + { + err = m_frame_deformatter_root->OutputFilterAllIDs(false); + if(err == OCSD_OK) + err = m_frame_deformatter_root->OutputFilterIDs(ids,true); + } + return err; +} + +ocsd_err_t DecodeTree::clearIDFilter() +{ + ocsd_err_t err = OCSD_ERR_DCDT_NO_FORMATTER; + if(usingFormatter()) + { + err = m_frame_deformatter_root->OutputFilterAllIDs(true); + } + return err; +} + +/** add a protocol packet printer */ +ocsd_err_t DecodeTree::addPacketPrinter(uint8_t CSID, bool bMonitor, ItemPrinter **ppPrinter) +{ + ocsd_err_t err = OCSD_ERR_INVALID_PARAM_VAL; + DecodeTreeElement *pElement = getDecoderElement(CSID); + if (pElement) + { + ocsd_trace_protocol_t protocol = pElement->getProtocol(); + ItemPrinter *pPrinter; + + pPrinter = PktPrinterFact::createProtocolPrinter(getPrinterList(), protocol, CSID); + if (pPrinter) + { + pPrinter->setMessageLogger(getCurrentErrorLogI()->getOutputLogger()); + switch (protocol) + { + case OCSD_PROTOCOL_ETMV4I: + case OCSD_PROTOCOL_ETE: + { + PacketPrinter<EtmV4ITrcPacket> *pTPrinter = dynamic_cast<PacketPrinter<EtmV4ITrcPacket> *>(pPrinter); + if (bMonitor) + err = pElement->getDecoderMngr()->attachPktMonitor(pElement->getDecoderHandle(), (IPktRawDataMon<EtmV4ITrcPacket> *)pTPrinter); + else + err = pElement->getDecoderMngr()->attachPktSink(pElement->getDecoderHandle(), (IPktDataIn<EtmV4ITrcPacket> *)pTPrinter); + } + break; + + case OCSD_PROTOCOL_ETMV3: + { + PacketPrinter<EtmV3TrcPacket> *pTPrinter = dynamic_cast<PacketPrinter<EtmV3TrcPacket> *>(pPrinter); + if (bMonitor) + err = pElement->getDecoderMngr()->attachPktMonitor(pElement->getDecoderHandle(), (IPktRawDataMon<EtmV3TrcPacket> *)pTPrinter); + else + err = pElement->getDecoderMngr()->attachPktSink(pElement->getDecoderHandle(), (IPktDataIn<EtmV3TrcPacket> *)pTPrinter); + } + break; + + case OCSD_PROTOCOL_PTM: + { + PacketPrinter<PtmTrcPacket> *pTPrinter = dynamic_cast<PacketPrinter<PtmTrcPacket> *>(pPrinter); + if (bMonitor) + err = pElement->getDecoderMngr()->attachPktMonitor(pElement->getDecoderHandle(), (IPktRawDataMon<PtmTrcPacket> *)pTPrinter); + else + err = pElement->getDecoderMngr()->attachPktSink(pElement->getDecoderHandle(), (IPktDataIn<PtmTrcPacket> *)pTPrinter); + } + break; + + case OCSD_PROTOCOL_STM: + { + PacketPrinter<StmTrcPacket> *pTPrinter = dynamic_cast<PacketPrinter<StmTrcPacket> *>(pPrinter); + if (bMonitor) + err = pElement->getDecoderMngr()->attachPktMonitor(pElement->getDecoderHandle(), (IPktRawDataMon<StmTrcPacket> *)pTPrinter); + else + err = pElement->getDecoderMngr()->attachPktSink(pElement->getDecoderHandle(), (IPktDataIn<StmTrcPacket> *)pTPrinter); + } + break; + + default: + err = OCSD_ERR_NO_PROTOCOL; + break; + } + + if (err == OCSD_OK) + { + if (ppPrinter) + *ppPrinter = pPrinter; + } + else + PktPrinterFact::destroyPrinter(getPrinterList(), pPrinter); + } + } + return err; +} + +/** add a raw frame printer */ +ocsd_err_t DecodeTree::addRawFramePrinter(RawFramePrinter **ppPrinter, uint32_t flags) +{ + ocsd_err_t err = OCSD_ERR_MEM; + RawFramePrinter *pPrinter = PktPrinterFact::createRawFramePrinter(getPrinterList()); + if (pPrinter) + { + pPrinter->setMessageLogger((DecodeTree::getCurrentErrorLogI()->getOutputLogger())); + TraceFormatterFrameDecoder *pFrameDecoder = getFrameDeformatter(); + uint32_t cfgFlags = pFrameDecoder->getConfigFlags(); + cfgFlags |= ((uint32_t)flags & (OCSD_DFRMTR_PACKED_RAW_OUT | OCSD_DFRMTR_UNPACKED_RAW_OUT)); + pFrameDecoder->Configure(cfgFlags); + err = pFrameDecoder->getTrcRawFrameAttachPt()->attach(pPrinter); + if (ppPrinter && (err==OCSD_OK)) + *ppPrinter = pPrinter; + } + return err; +} + +/** add a generic element output printer */ +ocsd_err_t DecodeTree::addGenElemPrinter(TrcGenericElementPrinter **ppPrinter) +{ + ocsd_err_t err = OCSD_ERR_MEM; + TrcGenericElementPrinter *pPrinter = PktPrinterFact::createGenElemPrinter(getPrinterList()); + if (pPrinter) + { + pPrinter->setMessageLogger((DecodeTree::getCurrentErrorLogI()->getOutputLogger())); + setGenTraceElemOutI(pPrinter); + err = OCSD_OK; + if (ppPrinter) + *ppPrinter = pPrinter; + } + return err; + +} + +/* End of File ocsd_dcd_tree.cpp */ diff --git a/decoder/source/ocsd_error.cpp b/decoder/source/ocsd_error.cpp new file mode 100644 index 0000000..ee01064 --- /dev/null +++ b/decoder/source/ocsd_error.cpp @@ -0,0 +1,253 @@ +/* + * \file ocsd_error.cpp + * \brief OpenCSD : Library error class. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_error.h" +#include <sstream> +#include <iomanip> + +static const char *s_errorCodeDescs[][2] = { + /* general return errors */ + {"OCSD_OK", "No Error."}, + {"OCSD_ERR_FAIL","General failure."}, + {"OCSD_ERR_MEM","Internal memory allocation error."}, + {"OCSD_ERR_NOT_INIT","Component not initialised."}, + {"OCSD_ERR_INVALID_ID","Invalid CoreSight Trace Source ID."}, + {"OCSD_ERR_BAD_HANDLE","Invalid handle passed to component."}, + {"OCSD_ERR_INVALID_PARAM_VAL","Invalid value parameter passed to component."}, + {"OCSD_ERR_INVALID_PARAM_TYPE","Type mismatch on abstract interface."}, + {"OCSD_ERR_FILE_ERROR","File access error"}, + {"OCSD_ERR_NO_PROTOCOL","Trace protocol unsupported"}, + /* attachment point errors */ + {"OCSD_ERR_ATTACH_TOO_MANY","Cannot attach - attach device limit reached."}, + {"OCSD_ERR_ATTACH_INVALID_PARAM"," Cannot attach - invalid parameter."}, + {"OCSD_ERR_ATTACH_COMP_NOT_FOUND","Cannot detach - component not found."}, + /* source reader errors */ + {"OCSD_ERR_RDR_FILE_NOT_FOUND","source reader - file not found."}, + {"OCSD_ERR_RDR_INVALID_INIT", "source reader - invalid initialisation parameter."}, + {"OCSD_ERR_RDR_NO_DECODER", "source reader - not trace decoder set."}, + /* data path errors */ + {"OCSD_ERR_DATA_DECODE_FATAL", "A decoder in the data path has returned a fatal error."}, + /* frame deformatter errors */ + {"OCSD_ERR_DFMTR_NOTCONTTRACE", "Trace input to deformatter none-continuous"}, + {"OCSD_ERR_DFMTR_BAD_FHSYNC", "Bad frame or half frame sync in trace deformatter"}, + /* packet processor errors - protocol issues etc */ + {"OCSD_ERR_BAD_PACKET_SEQ","Bad packet sequence"}, + {"OCSD_ERR_INVALID_PCKT_HDR","Invalid packet header"}, + {"OCSD_ERR_PKT_INTERP_FAIL","Interpreter failed - cannot recover - bad data or sequence"}, + /* packet decoder errors */ + {"OCSD_ERR_UNSUPPORTED_ISA","ISA not supported in decoder"}, + {"OCSD_ERR_HW_CFG_UNSUPP","Programmed trace configuration not supported by decodUer."}, + {"OCSD_ERR_UNSUPP_DECODE_PKT","Packet not supported in decoder"}, + {"OCSD_ERR_BAD_DECODE_PKT","Reserved or unknown packet in decoder."}, + {"OCSD_ERR_COMMIT_PKT_OVERRUN","Overrun in commit packet stack - tried to commit more than available"}, + {"OCSD_ERR_MEM_NACC","Unable to access required memory address."}, + {"OCSD_ERR_RET_STACK_OVERFLOW","Internal return stack overflow checks failed - popped more than we pushed."}, + /* decode tree errors */ + {"OCSD_ERR_DCDT_NO_FORMATTER","No formatter in use - operation not valid."}, + /* target memory access errors */ + {"OCSD_ERR_MEM_ACC_OVERLAP","Attempted to set an overlapping range in memory access map."}, + {"OCSD_ERR_MEM_ACC_FILE_NOT_FOUND","Memory access file could not be opened."}, + {"OCSD_ERR_MEM_ACC_FILE_DIFF_RANGE","Attempt to re-use the same memory access file for a different address range."}, + {"OCSD_ERR_MEM_ACC_BAD_LEN","Memory accessor returned a bad read length value (larger than requested."}, + {"OCSD_ERR_MEM_ACC_RANGE_INVALID","Address range in accessor set to invalid values."}, + /* test errors - errors generated only by the test code, not the library */ + {"OCSD_ERR_TEST_SNAPSHOT_PARSE", "Test snapshot file parse error"}, + {"OCSD_ERR_TEST_SNAPSHOT_PARSE_INFO", "Test snapshot file parse information"}, + {"OCSD_ERR_TEST_SNAPSHOT_READ","test snapshot reader error"}, + {"OCSD_ERR_TEST_SS_TO_DECODER","test snapshot to decode tree conversion error"}, + /* decoder registration */ + {"OCSD_ERR_DCDREG_NAME_REPEAT","Attempted to register a decoder with the same name as another one."}, + {"OCSD_ERR_DCDREG_NAME_UNKNOWN","Attempted to find a decoder with a name that is not known in the library."}, + {"OCSD_ERR_DCDREG_TYPE_UNKNOWN","Attempted to find a decoder with a type that is not known in the library."}, + /* decoder config */ + {"OCSD_ERR_DCD_INTERFACE_UNUSED","Attempt to connect or use and interface not supported by this decoder."}, + /* end marker*/ + {"OCSD_ERR_LAST", "No error - error code end marker"} +}; + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code) : + m_error_code(code), + m_sev(sev_type), + m_idx(OCSD_BAD_TRC_INDEX), + m_chan_ID(OCSD_BAD_CS_SRC_ID) +{ +} + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code, const ocsd_trc_index_t idx) : + m_error_code(code), + m_sev(sev_type), + m_idx(idx), + m_chan_ID(OCSD_BAD_CS_SRC_ID) +{ +} + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code, const ocsd_trc_index_t idx, const uint8_t chan_id) : + m_error_code(code), + m_sev(sev_type), + m_idx(idx), + m_chan_ID(chan_id) +{ +} + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code, const std::string &msg) : + m_error_code(code), + m_sev(sev_type), + m_idx(OCSD_BAD_TRC_INDEX), + m_chan_ID(OCSD_BAD_CS_SRC_ID), + m_err_message(msg) +{ +} + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code, const ocsd_trc_index_t idx, const std::string &msg) : + m_error_code(code), + m_sev(sev_type), + m_idx(idx), + m_chan_ID(OCSD_BAD_CS_SRC_ID), + m_err_message(msg) +{ +} + +ocsdError::ocsdError(const ocsd_err_severity_t sev_type, const ocsd_err_t code, const ocsd_trc_index_t idx, const uint8_t chan_id, const std::string &msg) : + m_error_code(code), + m_sev(sev_type), + m_idx(idx), + m_chan_ID(chan_id), + m_err_message(msg) +{ +} + + +ocsdError::ocsdError(const ocsdError *pError) : + m_error_code(pError->getErrorCode()), + m_sev(pError->getErrorSeverity()), + m_idx(pError->getErrorIndex()), + m_chan_ID(pError->getErrorChanID()) +{ + setMessage(pError->getMessage()); +} + +ocsdError::ocsdError(const ocsdError &Error) : + m_error_code(Error.getErrorCode()), + m_sev(Error.getErrorSeverity()), + m_idx(Error.getErrorIndex()), + m_chan_ID(Error.getErrorChanID()) +{ + setMessage(Error.getMessage()); +} + +ocsdError::ocsdError(): + m_error_code(OCSD_ERR_LAST), + m_sev(OCSD_ERR_SEV_NONE), + m_idx(OCSD_BAD_TRC_INDEX), + m_chan_ID(OCSD_BAD_CS_SRC_ID) +{ +} + +ocsdError::~ocsdError() +{ +} + +const std::string ocsdError::getErrorString(const ocsdError &error) +{ + std::string szErrStr = "LIBRARY INTERNAL ERROR: Invalid Error Object"; + const char *sev_type_sz[] = { + "NONE ", + "ERROR:", + "WARN :", + "INFO :" + }; + + switch(error.getErrorSeverity()) + { + default: + case OCSD_ERR_SEV_NONE: + break; + + case OCSD_ERR_SEV_ERROR: + case OCSD_ERR_SEV_WARN: + case OCSD_ERR_SEV_INFO: + szErrStr = sev_type_sz[(int)error.getErrorSeverity()]; + appendErrorDetails(szErrStr,error); + break; + } + return szErrStr; +} + +void ocsdError::appendErrorDetails(std::string &errStr, const ocsdError &error) +{ + int numerrstr = sizeof(s_errorCodeDescs) / sizeof(s_errorCodeDescs[0]); + int code = (int)error.getErrorCode(); + ocsd_trc_index_t idx = error.getErrorIndex(); + uint8_t chan_ID = error.getErrorChanID(); + std::ostringstream oss; + + oss << "0x" << std::hex << std::setfill('0') << std::setw(4) << code; + if(code < numerrstr) + oss << " (" << s_errorCodeDescs[code][0] << ") [" << s_errorCodeDescs[code][1] << "]; "; + else + oss << " (unknown); "; + + if(idx != OCSD_BAD_TRC_INDEX) + oss << "TrcIdx=" << std::dec << idx << "; "; + + if(chan_ID != OCSD_BAD_CS_SRC_ID) + oss << "CS ID=" << std::hex << std::setfill('0') << std::setw(2) << (uint16_t)chan_ID << "; "; + + oss << error.getMessage(); + errStr = oss.str(); +} + + +const char* ocsdDataRespStr::getStr() +{ + static const char* szRespStr[] = { + "OCSD_RESP_CONT: Continue processing.", + "OCSD_RESP_WARN_CONT: Continue processing -> a component logged a warning.", + "OCSD_RESP_ERR_CONT: Continue processing -> a component logged an error.", + "OCSD_RESP_WAIT: Pause processing", + "OCSD_RESP_WARN_WAIT: Pause processing -> a component logged a warning.", + "OCSD_RESP_ERR_WAIT: Pause processing -> a component logged an error.", + "OCSD_RESP_FATAL_NOT_INIT: Processing Fatal Error : component unintialised.", + "OCSD_RESP_FATAL_INVALID_OP: Processing Fatal Error : invalid data path operation.", + "OCSD_RESP_FATAL_INVALID_PARAM: Processing Fatal Error : invalid parameter in datapath call.", + "OCSD_RESP_FATAL_INVALID_DATA: Processing Fatal Error : invalid trace data.", + "OCSD_RESP_FATAL_SYS_ERR: Processing Fatal Error : internal system error." + }; + if ((m_type < OCSD_RESP_CONT) || (m_type > OCSD_RESP_FATAL_SYS_ERR)) + return "Unknown OCSD_RESP type."; + return szRespStr[m_type]; +} + +/* End of File ocsd_error.cpp */ diff --git a/decoder/source/ocsd_error_logger.cpp b/decoder/source/ocsd_error_logger.cpp new file mode 100644 index 0000000..42794a7 --- /dev/null +++ b/decoder/source/ocsd_error_logger.cpp @@ -0,0 +1,159 @@ +/* + * \file ocsd_error_logger.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_error_logger.h" + +//#include <iostream> +#include <sstream> + +ocsdDefaultErrorLogger::ocsdDefaultErrorLogger() : + m_Verbosity(OCSD_ERR_SEV_ERROR), + m_output_logger(0), + m_created_output_logger(false) +{ + m_lastErr = 0; + for(int i = 0; i < 0x80; i++) + m_lastErrID[i] = 0; + m_error_sources.push_back("Gen_Err"); // handle 0 + m_error_sources.push_back("Gen_Warn"); // handle 1 + m_error_sources.push_back("Gen_Info"); // handle 2 +} + +ocsdDefaultErrorLogger::~ocsdDefaultErrorLogger() +{ + if(m_created_output_logger) + delete m_output_logger; + + if(m_lastErr) + delete m_lastErr; + + for(int i = 0; i < 0x80; i++) + if(m_lastErrID[i] != 0) delete m_lastErrID[i]; +} + +bool ocsdDefaultErrorLogger::initErrorLogger(const ocsd_err_severity_t verbosity, bool bCreateOutputLogger /*= false*/) +{ + bool bInit = true; + m_Verbosity = verbosity; + if(bCreateOutputLogger) + { + m_output_logger = new (std::nothrow) ocsdMsgLogger(); + if(m_output_logger) + { + m_created_output_logger = true; + m_output_logger->setLogOpts(ocsdMsgLogger::OUT_STDERR); + } + else + bInit = false; + } + return bInit; +} + +void ocsdDefaultErrorLogger::setOutputLogger(ocsdMsgLogger *pLogger) +{ + // if we created the current logger, delete it. + if(m_output_logger && m_created_output_logger) + delete m_output_logger; + m_created_output_logger = false; + m_output_logger = pLogger; +} + +const ocsd_hndl_err_log_t ocsdDefaultErrorLogger::RegisterErrorSource(const std::string &component_name) +{ + ocsd_hndl_err_log_t handle = m_error_sources.size(); + m_error_sources.push_back(component_name); + return handle; +} + +void ocsdDefaultErrorLogger::LogError(const ocsd_hndl_err_log_t handle, const ocsdError *Error) +{ + // only log errors that match or exceed the current verbosity + if(m_Verbosity >= Error->getErrorSeverity()) + { + // print out only if required + if(m_output_logger) + { + if(m_output_logger->isLogging()) + { + std::string errStr = "unknown"; + if(handle < m_error_sources.size()) + errStr = m_error_sources[handle]; + errStr += " : " + ocsdError::getErrorString(Error); + m_output_logger->LogMsg(errStr); + } + } + + // log last error + if(m_lastErr == 0) + CreateErrorObj(&m_lastErr,Error); + else + *m_lastErr = Error; + + // log last error associated with an ID + if(OCSD_IS_VALID_CS_SRC_ID(Error->getErrorChanID())) + { + if(m_lastErrID[Error->getErrorChanID()] == 0) + CreateErrorObj(&m_lastErrID[Error->getErrorChanID()], Error); + else + *m_lastErrID[Error->getErrorChanID()] = Error; + } + } +} + +void ocsdDefaultErrorLogger::LogMessage(const ocsd_hndl_err_log_t handle, const ocsd_err_severity_t filter_level, const std::string &msg ) +{ + // only log errors that match or exceed the current verbosity + if((m_Verbosity >= filter_level)) + { + if(m_output_logger) + { + if(m_output_logger->isLogging()) + { + std::string errStr = "unknown"; + if(handle < m_error_sources.size()) + errStr = m_error_sources[handle]; + errStr += " : " + msg; + m_output_logger->LogMsg(errStr); + } + } + } +} + +void ocsdDefaultErrorLogger::CreateErrorObj(ocsdError **ppErr, const ocsdError *p_from) +{ + *ppErr = new (std::nothrow) ocsdError(p_from); +} + +/* End of File ocsd_error_logger.cpp */ diff --git a/decoder/source/ocsd_gen_elem_list.cpp b/decoder/source/ocsd_gen_elem_list.cpp new file mode 100644 index 0000000..1a568ec --- /dev/null +++ b/decoder/source/ocsd_gen_elem_list.cpp @@ -0,0 +1,168 @@ +/* + * \file ocsd_gen_elem_list.cpp + * \brief OpenCSD : List of Generic trace elements for output. + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_gen_elem_list.h" + +OcsdGenElemList::OcsdGenElemList() +{ + m_firstElemIdx=0; + m_numUsed=0; + m_numPend=0; + + m_elemArraySize = 0; + m_sendIf = 0; + m_CSID = 0; + m_pElemArray = 0; +} + +OcsdGenElemList::~OcsdGenElemList() +{ + for(int i = 0; i<m_elemArraySize; i++) + { + delete m_pElemArray[i].pElem; + } + delete [] m_pElemArray; + m_pElemArray = 0; +} + +void OcsdGenElemList::reset() +{ + m_firstElemIdx=0; + m_numUsed=0; + m_numPend=0; +} + +OcsdTraceElement *OcsdGenElemList::getNextElem(const ocsd_trc_index_t trc_pkt_idx) +{ + OcsdTraceElement *pElem = 0; + if(getNumElem() == m_elemArraySize) // all in use + growArray(); + + if(m_pElemArray != 0) + { + m_numUsed++; + int idx = getAdjustedIdx(m_firstElemIdx + m_numUsed - 1); + pElem = m_pElemArray[idx].pElem; + m_pElemArray[idx].trc_pkt_idx = trc_pkt_idx; + } + return pElem; +} + +const ocsd_gen_trc_elem_t OcsdGenElemList::getElemType(const int entryN) const +{ + ocsd_gen_trc_elem_t elem_type = OCSD_GEN_TRC_ELEM_UNKNOWN; + if(entryN < getNumElem()) + { + int idx = getAdjustedIdx(m_firstElemIdx + entryN); + elem_type = m_pElemArray[idx].pElem->getType(); + } + return elem_type; +} + +ocsd_datapath_resp_t OcsdGenElemList::sendElements() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + if((m_elemArraySize == 0) || (m_sendIf == 0)) + return OCSD_RESP_FATAL_NOT_INIT; + + if(!m_sendIf->hasAttachedAndEnabled()) + return OCSD_RESP_FATAL_NOT_INIT; + + while(elemToSend() && OCSD_DATA_RESP_IS_CONT(resp)) + { + resp = m_sendIf->first()->TraceElemIn(m_pElemArray[m_firstElemIdx].trc_pkt_idx, m_CSID, *(m_pElemArray[m_firstElemIdx].pElem)); + m_firstElemIdx++; + if(m_firstElemIdx >= m_elemArraySize) + m_firstElemIdx = 0; + m_numUsed--; + } + return resp; +} + +// this function will enlarge the array, and create extra element objects. +// existing objects will be moved to the front of the array +// called if all elements are in use. (sets indexes accordingly) +void OcsdGenElemList::growArray() +{ + elemPtr_t *p_new_array = 0; + + int increment; + if(m_elemArraySize == 0) + // starting from scratch... + increment = 8; + else + increment = m_elemArraySize / 2; // grow by 50% + + + p_new_array = new (std::nothrow) elemPtr_t[m_elemArraySize+increment]; + + if(p_new_array != 0) + { + // fill the last increment elements with new objects + for(int i=0; i < increment; i++) + { + p_new_array[m_elemArraySize+i].pElem = new (std::nothrow) OcsdTraceElement(); + } + + // copy the existing objects from the old array to the start of the new one + // and adjust the indices. + if(m_elemArraySize > 0) + { + int inIdx = m_firstElemIdx; + for(int i = 0; i < m_elemArraySize; i++) + { + p_new_array[i].pElem = m_pElemArray[inIdx].pElem; + p_new_array[i].trc_pkt_idx = m_pElemArray[inIdx].trc_pkt_idx; + inIdx++; + if(inIdx >= m_elemArraySize) + inIdx = 0; + } + } + + // delete the old pointer array. + delete [] m_pElemArray; + m_elemArraySize += increment; + } + else + m_elemArraySize = 0; + + // update the internal array pointers to the new array + if(m_firstElemIdx >= 0) + m_firstElemIdx = 0; + m_pElemArray = p_new_array; +} + +/* End of File ocsd_gen_elem_list.cpp */ diff --git a/decoder/source/ocsd_gen_elem_stack.cpp b/decoder/source/ocsd_gen_elem_stack.cpp new file mode 100644 index 0000000..66fe75d --- /dev/null +++ b/decoder/source/ocsd_gen_elem_stack.cpp @@ -0,0 +1,197 @@ +/* +* \file ocsd_gen_elem_stack.cpp +* \brief OpenCSD : List of Generic trace elements for output. +* +* \copyright Copyright (c) 2020, ARM Limited. All Rights Reserved. +*/ + + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "common/ocsd_gen_elem_stack.h" + +OcsdGenElemStack::OcsdGenElemStack() : + m_pElemArray(0), + m_elemArraySize(0), + m_elem_to_send(0), + m_curr_elem_idx(0), + m_send_elem_idx(0), + m_CSID(0), + m_sendIf(NULL), + m_is_init(false) +{ + +} + +OcsdGenElemStack::~OcsdGenElemStack() +{ + for (int i = 0; i<m_elemArraySize; i++) + { + delete m_pElemArray[i].pElem; + } + delete [] m_pElemArray; + m_pElemArray = 0; +} + +ocsd_err_t OcsdGenElemStack::addElem(const ocsd_trc_index_t trc_pkt_idx) +{ + ocsd_err_t err = OCSD_OK; + + if (((m_curr_elem_idx + 1) == m_elemArraySize) || !m_pElemArray) + { + err = growArray(); + if (err) + return err; + } + + // if there is a least one element then copy and increment + // otherwise we are at base of stack. + if (m_elem_to_send) + { + copyPersistentData(m_curr_elem_idx, m_curr_elem_idx + 1); + m_curr_elem_idx++; + } + m_pElemArray[m_curr_elem_idx].trc_pkt_idx = trc_pkt_idx; + m_elem_to_send++; + return err; +} + +ocsd_err_t OcsdGenElemStack::addElemType(const ocsd_trc_index_t trc_pkt_idx, ocsd_gen_trc_elem_t elem_type) +{ + ocsd_err_t err = addElem(trc_pkt_idx); + if (!err) + getCurrElem().setType(elem_type); + return err; +} + +ocsd_err_t OcsdGenElemStack::resetElemStack() +{ + ocsd_err_t err = OCSD_OK; + if (!m_pElemArray) + { + err = growArray(); + if (err) + return err; + } + + if (!isInit()) + return OCSD_ERR_NOT_INIT; + + resetIndexes(); + return err; +} + +void OcsdGenElemStack::resetIndexes() +{ + // last time there was more than one element on stack + if (m_curr_elem_idx > 0) + copyPersistentData(m_curr_elem_idx, 0); + + // indexes to bottom of stack, nothing in use at present + m_curr_elem_idx = 0; + m_send_elem_idx = 0; + m_elem_to_send = 0; +} + +ocsd_datapath_resp_t OcsdGenElemStack::sendElements() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + if (!isInit()) + return OCSD_RESP_FATAL_NOT_INIT; + + while (m_elem_to_send && OCSD_DATA_RESP_IS_CONT(resp)) + { + resp = m_sendIf->first()->TraceElemIn(m_pElemArray[m_send_elem_idx].trc_pkt_idx, m_CSID, *(m_pElemArray[m_send_elem_idx].pElem)); + m_send_elem_idx++; + m_elem_to_send--; + } + + // clear the indexes if we are done. + if (!m_elem_to_send) + resetIndexes(); + return resp; +} + +ocsd_err_t OcsdGenElemStack::growArray() +{ + elemPtr_t *p_new_array = 0; + const int increment = 4; + + p_new_array = new (std::nothrow) elemPtr_t[m_elemArraySize + increment]; + + if (p_new_array != 0) + { + OcsdTraceElement *pElem = 0; + + // fill the last increment elements with new objects + for (int i = 0; i < increment; i++) + { + pElem = new (std::nothrow) OcsdTraceElement(); + if (!pElem) + return OCSD_ERR_MEM; + pElem->init(); + p_new_array[m_elemArraySize + i].pElem = pElem; + } + + // copy the existing objects from the old array to the start of the new one + if (m_elemArraySize > 0) + { + for (int i = 0; i < m_elemArraySize; i++) + { + p_new_array[i].pElem = m_pElemArray[i].pElem; + p_new_array[i].trc_pkt_idx = m_pElemArray[i].trc_pkt_idx; + } + } + + // delete the old pointer array. + delete[] m_pElemArray; + m_elemArraySize += increment; + m_pElemArray = p_new_array; + } + else + return OCSD_ERR_MEM; + + return OCSD_OK; +} + +void OcsdGenElemStack::copyPersistentData(int src, int dst) +{ + m_pElemArray[dst].pElem->copyPersistentData(*(m_pElemArray[src].pElem)); +} + +const bool OcsdGenElemStack::isInit() +{ + if (!m_is_init) { + if (m_elemArraySize && m_pElemArray && m_sendIf) + m_is_init = true; + } + return m_is_init; +} + + +/* End of File ocsd_gen_elem_stack.cpp */ diff --git a/decoder/source/ocsd_lib_dcd_register.cpp b/decoder/source/ocsd_lib_dcd_register.cpp new file mode 100644 index 0000000..0233c89 --- /dev/null +++ b/decoder/source/ocsd_lib_dcd_register.cpp @@ -0,0 +1,216 @@ +/* + * \file ocsd_lib_dcd_register.cpp + * \brief OpenCSD : Library decoder register object + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_lib_dcd_register.h" + +// include built-in decode manager headers +#include "opencsd/etmv4/trc_dcd_mngr_etmv4i.h" +#include "opencsd/etmv3/trc_dcd_mngr_etmv3.h" +#include "opencsd/ptm/trc_dcd_mngr_ptm.h" +#include "opencsd/stm/trc_dcd_mngr_stm.h" +#include "opencsd/ete/trc_dcd_mngr_ete.h" + +// create array of built-in decoders to register with library +static built_in_decoder_info_t sBuiltInArray[] = { + CREATE_BUILTIN_ENTRY(DecoderMngrEtmV4I,OCSD_BUILTIN_DCD_ETMV4I), + CREATE_BUILTIN_ENTRY(DecoderMngrEtmV3, OCSD_BUILTIN_DCD_ETMV3), + CREATE_BUILTIN_ENTRY(DecoderMngrPtm, OCSD_BUILTIN_DCD_PTM), + CREATE_BUILTIN_ENTRY(DecoderMngrStm, OCSD_BUILTIN_DCD_STM), + CREATE_BUILTIN_ENTRY(DecoderMngrETE, OCSD_BUILTIN_DCD_ETE) + //{ 0, 0, 0} +}; + +#define NUM_BUILTINS sizeof(sBuiltInArray) / sizeof(built_in_decoder_info_t) + + +OcsdLibDcdRegister *OcsdLibDcdRegister::m_p_libMngr = 0; +bool OcsdLibDcdRegister::m_b_registeredBuiltins = false; +ocsd_trace_protocol_t OcsdLibDcdRegister::m_nextCustomProtocolID = OCSD_PROTOCOL_CUSTOM_0; + +OcsdLibDcdRegister *OcsdLibDcdRegister::getDecoderRegister() +{ + if(m_p_libMngr == 0) + m_p_libMngr = new (std::nothrow) OcsdLibDcdRegister(); + return m_p_libMngr; +} + +const ocsd_trace_protocol_t OcsdLibDcdRegister::getNextCustomProtocolID() +{ + ocsd_trace_protocol_t ret = m_nextCustomProtocolID; + if(m_nextCustomProtocolID < OCSD_PROTOCOL_END) + m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)+1); + return ret; +} + +void OcsdLibDcdRegister::releaseLastCustomProtocolID() +{ + if(m_nextCustomProtocolID > OCSD_PROTOCOL_CUSTOM_0) + m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)-1); +} + +OcsdLibDcdRegister::OcsdLibDcdRegister() +{ + m_iter = m_decoder_mngrs.begin(); + m_pLastTypedDecoderMngr = 0; +} + +OcsdLibDcdRegister::~OcsdLibDcdRegister() +{ + m_decoder_mngrs.clear(); + m_typed_decoder_mngrs.clear(); + m_pLastTypedDecoderMngr = 0; +} + +const ocsd_err_t OcsdLibDcdRegister::registerDecoderTypeByName(const std::string &name, IDecoderMngr *p_decoder_fact) +{ + if(isRegisteredDecoder(name)) + return OCSD_ERR_DCDREG_NAME_REPEAT; + m_decoder_mngrs.emplace(std::pair<const std::string, IDecoderMngr *>(name,p_decoder_fact)); + m_typed_decoder_mngrs.emplace(std::pair<const ocsd_trace_protocol_t, IDecoderMngr *>(p_decoder_fact->getProtocolType(),p_decoder_fact)); + return OCSD_OK; +} + +void OcsdLibDcdRegister::registerBuiltInDecoders() +{ + bool memFail = false; + for(unsigned i = 0; i < NUM_BUILTINS; i++) + { + if(sBuiltInArray[i].PFn) + { + sBuiltInArray[i].pMngr = sBuiltInArray[i].PFn( sBuiltInArray[i].name); + if(!sBuiltInArray[i].pMngr) + memFail=true; + } + } + m_b_registeredBuiltins = !memFail; +} + +void OcsdLibDcdRegister::deregisterAllDecoders() +{ + if(m_b_registeredBuiltins) + { + for(unsigned i = 0; i < NUM_BUILTINS; i++) + delete sBuiltInArray[i].pMngr; + m_b_registeredBuiltins = false; + } + + if(m_p_libMngr) + { + m_p_libMngr->deRegisterCustomDecoders(); + delete m_p_libMngr; + m_p_libMngr = 0; + } +} + +void OcsdLibDcdRegister::deRegisterCustomDecoders() +{ + std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.begin(); + while(iter != m_typed_decoder_mngrs.end()) + { + IDecoderMngr *pMngr = iter->second; + if(pMngr->getProtocolType() >= OCSD_PROTOCOL_CUSTOM_0) + delete pMngr; + iter++; + } +} + +const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByName(const std::string &name, IDecoderMngr **p_decoder_mngr) +{ + if(!m_b_registeredBuiltins) + { + registerBuiltInDecoders(); + if(!m_b_registeredBuiltins) + return OCSD_ERR_MEM; + } + + std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name); + if(iter == m_decoder_mngrs.end()) + return OCSD_ERR_DCDREG_NAME_UNKNOWN; + *p_decoder_mngr = iter->second; + return OCSD_OK; +} + +const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByType(const ocsd_trace_protocol_t decoderType, IDecoderMngr **p_decoder_mngr) +{ + if(!m_b_registeredBuiltins) + { + registerBuiltInDecoders(); + if(!m_b_registeredBuiltins) + return OCSD_ERR_MEM; + } + + if (m_pLastTypedDecoderMngr && (m_pLastTypedDecoderMngr->getProtocolType() == decoderType)) + *p_decoder_mngr = m_pLastTypedDecoderMngr; + else + { + std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType); + if (iter == m_typed_decoder_mngrs.end()) + return OCSD_ERR_DCDREG_TYPE_UNKNOWN; + *p_decoder_mngr = m_pLastTypedDecoderMngr = iter->second; + } + return OCSD_OK; +} + +const bool OcsdLibDcdRegister::isRegisteredDecoder(const std::string &name) +{ + std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name); + if(iter != m_decoder_mngrs.end()) + return true; + return false; +} + +const bool OcsdLibDcdRegister::isRegisteredDecoderType(const ocsd_trace_protocol_t decoderType) +{ + std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType); + if(iter != m_typed_decoder_mngrs.end()) + return true; + return false; +} + +const bool OcsdLibDcdRegister::getFirstNamedDecoder(std::string &name) +{ + m_iter = m_decoder_mngrs.begin(); + return getNextNamedDecoder(name); +} + +const bool OcsdLibDcdRegister::getNextNamedDecoder(std::string &name) +{ + if(m_iter == m_decoder_mngrs.end()) + return false; + name = m_iter->first; + m_iter++; + return true; +} + +/* End of File ocsd_lib_dcd_register.cpp */ diff --git a/decoder/source/ocsd_msg_logger.cpp b/decoder/source/ocsd_msg_logger.cpp new file mode 100644 index 0000000..287edfa --- /dev/null +++ b/decoder/source/ocsd_msg_logger.cpp @@ -0,0 +1,120 @@ +/* + * \file ocsd_msg_logger.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/ocsd_msg_logger.h" + +#include <iostream> +#include <sstream> + +#define MSGLOG_OUT_MASK (ocsdMsgLogger::OUT_FILE | ocsdMsgLogger::OUT_STDERR | ocsdMsgLogger::OUT_STDOUT | ocsdMsgLogger::OUT_STR_CB) + +ocsdMsgLogger::ocsdMsgLogger() : + m_outFlags(ocsdMsgLogger::OUT_STDOUT), + m_logFileName("ocsd_trace_decode.log"), + m_pOutStrI(0) +{ +} + +ocsdMsgLogger::~ocsdMsgLogger() +{ + m_out_file.close(); +} + +void ocsdMsgLogger::setLogOpts(int logOpts) +{ + m_outFlags = logOpts & (MSGLOG_OUT_MASK); +} + +void ocsdMsgLogger::setLogFileName(const char *fileName) +{ + if (fileName == 0) + m_logFileName = ""; + else + m_logFileName = fileName; + + if(m_out_file.is_open()) + m_out_file.close(); + + if (m_logFileName.length()) + m_outFlags |= (int)ocsdMsgLogger::OUT_FILE; + else + m_outFlags &= ~((int)ocsdMsgLogger::OUT_FILE); +} + +void ocsdMsgLogger::setStrOutFn(ocsdMsgLogStrOutI *p_IstrOut) +{ + m_pOutStrI = p_IstrOut; + if (p_IstrOut) + m_outFlags |= (int)ocsdMsgLogger::OUT_STR_CB; + else + m_outFlags &= ~((int)ocsdMsgLogger::OUT_STR_CB); +} + +void ocsdMsgLogger::LogMsg(const std::string &msg) +{ + if(m_outFlags & OUT_STDOUT) + { + std::cout << msg; + std::cout.flush(); + } + + if(m_outFlags & OUT_STDERR) + { + std::cerr << msg; + std::cerr.flush(); + } + + if(m_outFlags & OUT_FILE) + { + if(!m_out_file.is_open()) + { + m_out_file.open(m_logFileName.c_str(),std::fstream::out | std::fstream::app); + } + m_out_file << msg; + m_out_file.flush(); + } + + if (m_outFlags & OUT_STR_CB) + { + if (m_pOutStrI) + m_pOutStrI->printOutStr(msg); + } +} + +const bool ocsdMsgLogger::isLogging() const +{ + return (bool)((m_outFlags & MSGLOG_OUT_MASK) != 0); +} + +/* End of File ocsd_msg_logger.cpp */ diff --git a/decoder/source/ocsd_version.cpp b/decoder/source/ocsd_version.cpp new file mode 100644 index 0000000..6dd3f2c --- /dev/null +++ b/decoder/source/ocsd_version.cpp @@ -0,0 +1,48 @@ +/* + * \file ocsd_version.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/ocsd_if_version.h" +#include "common/ocsd_version.h" + +const uint32_t ocsdVersion::vers_num() +{ + return OCSD_VER_NUM; +} + +const char *ocsdVersion::vers_str() +{ + return OCSD_VER_STRING; +} + +/* End of File ocsd_version.cpp */ diff --git a/decoder/source/pkt_printers/raw_frame_printer.cpp b/decoder/source/pkt_printers/raw_frame_printer.cpp new file mode 100644 index 0000000..7ac2ddf --- /dev/null +++ b/decoder/source/pkt_printers/raw_frame_printer.cpp @@ -0,0 +1,104 @@ +/* + * \file raw_frame_printer.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <string> +#include <sstream> +#include <iomanip> + +#include "opencsd.h" + + +ocsd_err_t RawFramePrinter::TraceRawFrameIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const ocsd_rawframe_elem_t frame_element, + const int dataBlockSize, + const uint8_t *pDataBlock, + const uint8_t traceID) +{ + + if(op == OCSD_OP_DATA) // only interested in actual frame data. + { + std::string strData; + std::ostringstream oss; + int printDataSize = dataBlockSize; + + oss << "Frame Data; Index" << std::setw(7) << index << "; "; + + switch(frame_element) + { + case OCSD_FRM_PACKED: oss << std::setw(15) << "RAW_PACKED; "; break; + case OCSD_FRM_HSYNC: oss << std::setw(15) << "HSYNC; "; break; + case OCSD_FRM_FSYNC: oss << std::setw(15) << "FSYNC; "; break; + case OCSD_FRM_ID_DATA: + oss << std::setw(10) << "ID_DATA["; + if (traceID == OCSD_BAD_CS_SRC_ID) + oss << "????"; + else + oss << "0x" << std::hex << std::setw(2) << std::setfill('0') << (uint16_t)traceID; + oss << "]; "; + break; + default: oss << std::setw(15) << "UNKNOWN; "; break; + } + + if(printDataSize) + { + createDataString(printDataSize,pDataBlock,16,strData); + oss << strData; + } + oss << std::endl; + itemPrintLine(oss.str()); + } + return OCSD_OK; +} + +void RawFramePrinter::createDataString(const int dataSize, const uint8_t *pData, int bytesPerLine, std::string &dataStr) +{ + int lineBytes = 0; + std::ostringstream oss; + + for(int i = 0; i < dataSize; i++) + { + if(lineBytes == bytesPerLine) + { + oss << std::endl; + lineBytes = 0; + } + oss << std::hex << std::setw(2) << std::setfill('0') << (uint32_t)pData[i] << " "; + lineBytes ++; + } + dataStr = oss.str(); +} + + +/* End of File raw_frame_printer.cpp */ diff --git a/decoder/source/pkt_printers/trc_print_fact.cpp b/decoder/source/pkt_printers/trc_print_fact.cpp new file mode 100644 index 0000000..6b5df1f --- /dev/null +++ b/decoder/source/pkt_printers/trc_print_fact.cpp @@ -0,0 +1,124 @@ +/* +* \file trc_print_fact.cpp +* \brief OpenCSD : Trace Packet printer factory. +* +* \copyright Copyright (c) 2017, ARM Limited. All Rights Reserved. +*/ + + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "pkt_printers/trc_print_fact.h" + +RawFramePrinter * PktPrinterFact::createRawFramePrinter(std::vector<ItemPrinter *> &printer_list, ocsdMsgLogger *pMsgLogger /*= 0*/) +{ + RawFramePrinter *pPrinter = 0; + pPrinter = new (std::nothrow)RawFramePrinter(); + SavePrinter(printer_list, pPrinter, pMsgLogger); + return pPrinter; +} + +TrcGenericElementPrinter *PktPrinterFact::createGenElemPrinter(std::vector<ItemPrinter *> &printer_list, ocsdMsgLogger *pMsgLogger /*= 0*/) +{ + TrcGenericElementPrinter *pPrinter = 0; + pPrinter = new (std::nothrow)TrcGenericElementPrinter(); + SavePrinter(printer_list, pPrinter, pMsgLogger); + return pPrinter; +} + +ItemPrinter *PktPrinterFact::createProtocolPrinter(std::vector<ItemPrinter *> &printer_list, ocsd_trace_protocol_t protocol, uint8_t CSID, ocsdMsgLogger *pMsgLogger /*= 0*/) +{ + ItemPrinter *pPrinter = 0; + switch (protocol) + { + case OCSD_PROTOCOL_ETMV4I: + case OCSD_PROTOCOL_ETE: + pPrinter = new (std::nothrow) PacketPrinter<EtmV4ITrcPacket>(CSID); + break; + case OCSD_PROTOCOL_ETMV3: + pPrinter = new (std::nothrow) PacketPrinter<EtmV3TrcPacket>(CSID); + break; + case OCSD_PROTOCOL_PTM: + pPrinter = new (std::nothrow) PacketPrinter<PtmTrcPacket>(CSID); + break; + case OCSD_PROTOCOL_STM: + pPrinter = new (std::nothrow) PacketPrinter<StmTrcPacket>(CSID); + break; + default: + break; + } + SavePrinter(printer_list, pPrinter, pMsgLogger); + return pPrinter; +} + +const int PktPrinterFact::numPrinters(std::vector<ItemPrinter *> &printer_list) +{ + return printer_list.size(); +} + +void PktPrinterFact::SavePrinter(std::vector<ItemPrinter *> &printer_list, ItemPrinter *pPrinter, ocsdMsgLogger *pMsgLogger) +{ + if (pPrinter) + { + pPrinter->setMessageLogger(pMsgLogger); + printer_list.push_back((ItemPrinter *)pPrinter); + } +} + +void PktPrinterFact::destroyAllPrinters(std::vector<ItemPrinter *> &printer_list) +{ + std::vector<ItemPrinter *>::iterator it; + it = printer_list.begin(); + while (it != printer_list.end()) + { + delete *it; + it++; + } + printer_list.clear(); +} + +void PktPrinterFact::destroyPrinter(std::vector<ItemPrinter *> &printer_list, ItemPrinter *pPrinter) +{ + std::vector<ItemPrinter *>::iterator it; + it = printer_list.begin(); + while (it != printer_list.end()) + { + if (*it == pPrinter) + { + printer_list.erase(it); + delete pPrinter; + return; + } + else + it++; + } +} + + + +/* end of file trc_print_fact.cpp */ diff --git a/decoder/source/ptm/trc_cmp_cfg_ptm.cpp b/decoder/source/ptm/trc_cmp_cfg_ptm.cpp new file mode 100644 index 0000000..74ded02 --- /dev/null +++ b/decoder/source/ptm/trc_cmp_cfg_ptm.cpp @@ -0,0 +1,59 @@ +/* + * \file trc_cmp_cfg_ptm.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/ptm/trc_cmp_cfg_ptm.h" + +PtmConfig::PtmConfig() +{ + // defaults set ETMv1.1, V7A + m_cfg.arch_ver = ARCH_V7; + m_cfg.core_prof = profile_CortexA; + m_cfg.reg_ccer = 0; + m_cfg.reg_idr = 0x4100F310; + m_cfg.reg_ctrl = 0; +} + +PtmConfig::PtmConfig(const ocsd_ptm_cfg *cfg_regs) +{ + m_cfg = *cfg_regs; +} + +const int PtmConfig::CtxtIDBytes() const +{ + int ctxtIdsizes[] = { 0, 1, 2, 4 }; + return ctxtIdsizes[(m_cfg.reg_ctrl >> 14) & 0x3]; +} + + +/* End of File trc_cmp_cfg_ptm.cpp */ diff --git a/decoder/source/ptm/trc_pkt_decode_ptm.cpp b/decoder/source/ptm/trc_pkt_decode_ptm.cpp new file mode 100644 index 0000000..7abee84 --- /dev/null +++ b/decoder/source/ptm/trc_pkt_decode_ptm.cpp @@ -0,0 +1,671 @@ +/* + * \file trc_pkt_decode_ptm.cpp + * \brief OpenCSD : PTM packet decoder. + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sstream> +#include "opencsd/ptm/trc_pkt_decode_ptm.h" + +#define DCD_NAME "DCD_PTM" + +TrcPktDecodePtm::TrcPktDecodePtm() + : TrcPktDecodeBase(DCD_NAME) +{ + initDecoder(); +} + +TrcPktDecodePtm::TrcPktDecodePtm(int instIDNum) + : TrcPktDecodeBase(DCD_NAME,instIDNum) +{ + initDecoder(); +} + +TrcPktDecodePtm::~TrcPktDecodePtm() +{ +} + +/*********************** implementation packet decoding interface */ + +ocsd_datapath_resp_t TrcPktDecodePtm::processPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bPktDone = false; + + while(!bPktDone) + { + switch(m_curr_state) + { + case NO_SYNC: + // no sync - output a no sync packet then transition to wait sync. + m_output_elem.elem_type = OCSD_GEN_TRC_ELEM_NO_SYNC; + m_output_elem.unsync_eot_info = m_unsync_info; + resp = outputTraceElement(m_output_elem); + m_curr_state = (m_curr_packet_in->getType() == PTM_PKT_A_SYNC) ? WAIT_ISYNC : WAIT_SYNC; + bPktDone = true; + break; + + case WAIT_SYNC: + if(m_curr_packet_in->getType() == PTM_PKT_A_SYNC) + m_curr_state = WAIT_ISYNC; + bPktDone = true; + break; + + case WAIT_ISYNC: + if(m_curr_packet_in->getType() == PTM_PKT_I_SYNC) + m_curr_state = DECODE_PKTS; + else + bPktDone = true; + break; + + case DECODE_PKTS: + resp = decodePacket(); + bPktDone = true; + break; + + default: + // should only see these after a _WAIT resp - in flush handler + case CONT_ISYNC: + case CONT_ATOM: + bPktDone = true; + // throw a decoder error + break; + } + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodePtm::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + // shouldn't be any packets left to be processed - flush shoudl have done this. + // just output the end of trace marker + m_output_elem.setType(OCSD_GEN_TRC_ELEM_EO_TRACE); + m_output_elem.setUnSyncEOTReason(UNSYNC_EOT); + resp = outputTraceElement(m_output_elem); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodePtm::onReset() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_unsync_info = UNSYNC_RESET_DECODER; + resetDecoder(); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodePtm::onFlush() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + resp = contProcess(); + return resp; +} + +// atom and isync packets can have multiple ouput packets that can be _WAITed mid stream. +ocsd_datapath_resp_t TrcPktDecodePtm::contProcess() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + switch(m_curr_state) + { + case CONT_ISYNC: + resp = processIsync(); + break; + + case CONT_ATOM: + resp = processAtom(); + break; + + case CONT_WPUP: + resp = processWPUpdate(); + break; + + case CONT_BRANCH: + resp = processBranch(); + break; + + default: break; // not a state that requires further processing + } + + if(OCSD_DATA_RESP_IS_CONT(resp) && processStateIsCont()) + m_curr_state = DECODE_PKTS; // continue packet processing - assuming we have not degraded into an unsynced state. + + return resp; +} + +ocsd_err_t TrcPktDecodePtm::onProtocolConfig() +{ + ocsd_err_t err = OCSD_OK; + if(m_config == 0) + return OCSD_ERR_NOT_INIT; + + // static config - copy of CSID for easy reference + m_CSID = m_config->getTraceID(); + + // handle return stack implementation + if (m_config->hasRetStack()) + { + m_return_stack.set_active(m_config->enaRetStack()); +#ifdef TRC_RET_STACK_DEBUG + m_return_stack.set_dbg_logger(this); +#endif + } + + // config options affecting decode + m_instr_info.pe_type.profile = m_config->coreProfile(); + m_instr_info.pe_type.arch = m_config->archVersion(); + m_instr_info.dsb_dmb_waypoints = m_config->dmsbWayPt() ? 1 : 0; + m_instr_info.wfi_wfe_branch = 0; + return err; +} + +/****************** local decoder routines */ + +void TrcPktDecodePtm::initDecoder() +{ + m_CSID = 0; + m_instr_info.pe_type.profile = profile_Unknown; + m_instr_info.pe_type.arch = ARCH_UNKNOWN; + m_instr_info.dsb_dmb_waypoints = 0; + m_unsync_info = UNSYNC_INIT_DECODER; + resetDecoder(); +} + +void TrcPktDecodePtm::resetDecoder() +{ + m_curr_state = NO_SYNC; + m_need_isync = true; // need context to start. + + m_instr_info.isa = ocsd_isa_unknown; + m_mem_nacc_pending = false; + + m_pe_context.ctxt_id_valid = 0; + m_pe_context.bits64 = 0; + m_pe_context.vmid_valid = 0; + m_pe_context.exception_level = ocsd_EL_unknown; + m_pe_context.security_level = ocsd_sec_secure; + m_pe_context.el_valid = 0; + + m_curr_pe_state.instr_addr = 0x0; + m_curr_pe_state.isa = ocsd_isa_unknown; + m_curr_pe_state.valid = false; + + m_atoms.clearAll(); + m_output_elem.init(); +} + +ocsd_datapath_resp_t TrcPktDecodePtm::decodePacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + switch(m_curr_packet_in->getType()) + { + // ignore these from trace o/p point of veiw + case PTM_PKT_NOTSYNC: + case PTM_PKT_INCOMPLETE_EOT: + case PTM_PKT_NOERROR: + break; + + // bad / reserved packet - need to wait for next sync point + case PTM_PKT_BAD_SEQUENCE: + case PTM_PKT_RESERVED: + m_curr_state = WAIT_SYNC; + m_need_isync = true; // need context to re-start. + m_output_elem.setType(OCSD_GEN_TRC_ELEM_NO_SYNC); + resp = outputTraceElement(m_output_elem); + break; + + // packets we can ignore if in sync + case PTM_PKT_A_SYNC: + case PTM_PKT_IGNORE: + break; + + // + case PTM_PKT_I_SYNC: + resp = processIsync(); + break; + + case PTM_PKT_BRANCH_ADDRESS: + resp = processBranch(); + break; + + case PTM_PKT_TRIGGER: + m_output_elem.setType(OCSD_GEN_TRC_ELEM_EVENT); + m_output_elem.setEvent(EVENT_TRIGGER, 0); + resp = outputTraceElement(m_output_elem); + break; + + case PTM_PKT_WPOINT_UPDATE: + resp = processWPUpdate(); + break; + + case PTM_PKT_CONTEXT_ID: + { + bool bUpdate = true; + // see if this is a change + if((m_pe_context.ctxt_id_valid) && (m_pe_context.context_id == m_curr_packet_in->context.ctxtID)) + bUpdate = false; + if(bUpdate) + { + m_pe_context.context_id = m_curr_packet_in->context.ctxtID; + m_pe_context.ctxt_id_valid = 1; + m_output_elem.setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + m_output_elem.setContext(m_pe_context); + resp = outputTraceElement(m_output_elem); + } + } + break; + + case PTM_PKT_VMID: + { + bool bUpdate = true; + // see if this is a change + if((m_pe_context.vmid_valid) && (m_pe_context.vmid == m_curr_packet_in->context.VMID)) + bUpdate = false; + if(bUpdate) + { + m_pe_context.vmid = m_curr_packet_in->context.VMID; + m_pe_context.vmid_valid = 1; + m_output_elem.setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + m_output_elem.setContext(m_pe_context); + resp = outputTraceElement(m_output_elem); + } + } + break; + + case PTM_PKT_ATOM: + if(m_curr_pe_state.valid) + { + m_atoms.initAtomPkt(m_curr_packet_in->getAtom(),m_index_curr_pkt); + resp = processAtom(); + } + break; + + case PTM_PKT_TIMESTAMP: + m_output_elem.setType(OCSD_GEN_TRC_ELEM_TIMESTAMP); + m_output_elem.timestamp = m_curr_packet_in->timestamp; + if(m_curr_packet_in->cc_valid) + m_output_elem.setCycleCount(m_curr_packet_in->cycle_count); + resp = outputTraceElement(m_output_elem); + break; + + case PTM_PKT_EXCEPTION_RET: + m_output_elem.setType(OCSD_GEN_TRC_ELEM_EXCEPTION_RET); + resp = outputTraceElement(m_output_elem); + break; + + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodePtm::processIsync() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + // extract the I-Sync data if not re-entering after a _WAIT + if(m_curr_state == DECODE_PKTS) + { + m_curr_pe_state.instr_addr = m_curr_packet_in->getAddrVal(); + m_curr_pe_state.isa = m_curr_packet_in->getISA(); + m_curr_pe_state.valid = true; + + m_i_sync_pe_ctxt = m_curr_packet_in->ISAChanged(); + if(m_curr_packet_in->CtxtIDUpdated()) + { + m_pe_context.context_id = m_curr_packet_in->getCtxtID(); + m_pe_context.ctxt_id_valid = 1; + m_i_sync_pe_ctxt = true; + } + + if(m_curr_packet_in->VMIDUpdated()) + { + m_pe_context.vmid = m_curr_packet_in->getVMID(); + m_pe_context.vmid_valid = 1; + m_i_sync_pe_ctxt = true; + } + m_pe_context.security_level = m_curr_packet_in->getNS() ? ocsd_sec_nonsecure : ocsd_sec_secure; + + if(m_need_isync || (m_curr_packet_in->iSyncReason() != iSync_Periodic)) + { + m_output_elem.setType(OCSD_GEN_TRC_ELEM_TRACE_ON); + m_output_elem.trace_on_reason = TRACE_ON_NORMAL; + if(m_curr_packet_in->iSyncReason() == iSync_TraceRestartAfterOverflow) + m_output_elem.trace_on_reason = TRACE_ON_OVERFLOW; + else if(m_curr_packet_in->iSyncReason() == iSync_DebugExit) + m_output_elem.trace_on_reason = TRACE_ON_EX_DEBUG; + if(m_curr_packet_in->hasCC()) + m_output_elem.setCycleCount(m_curr_packet_in->getCCVal()); + resp = outputTraceElement(m_output_elem); + } + else + { + // periodic - no output + m_i_sync_pe_ctxt = false; + } + m_need_isync = false; // got 1st Isync - can continue to process data. + m_return_stack.flush(); + } + + if(m_i_sync_pe_ctxt && OCSD_DATA_RESP_IS_CONT(resp)) + { + m_output_elem.setType(OCSD_GEN_TRC_ELEM_PE_CONTEXT); + m_output_elem.setContext(m_pe_context); + m_output_elem.setISA(m_curr_pe_state.isa); + resp = outputTraceElement(m_output_elem); + m_i_sync_pe_ctxt = false; + } + + // if wait and still stuff to process.... + if(OCSD_DATA_RESP_IS_WAIT(resp) && ( m_i_sync_pe_ctxt)) + m_curr_state = CONT_ISYNC; + + return resp; +} + +// change of address and/or exception in program flow. +// implies E atom before the branch if none exception. +ocsd_datapath_resp_t TrcPktDecodePtm::processBranch() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + // initial pass - decoding packet. + if(m_curr_state == DECODE_PKTS) + { + // specific behviour if this is an exception packet. + if(m_curr_packet_in->isBranchExcepPacket()) + { + // exception - record address and output exception packet. + m_output_elem.setType(OCSD_GEN_TRC_ELEM_EXCEPTION); + m_output_elem.exception_number = m_curr_packet_in->excepNum(); + m_output_elem.excep_ret_addr = 0; + if(m_curr_pe_state.valid) + { + m_output_elem.excep_ret_addr = 1; + m_output_elem.en_addr = m_curr_pe_state.instr_addr; + } + // could be an associated cycle count + if(m_curr_packet_in->hasCC()) + m_output_elem.setCycleCount(m_curr_packet_in->getCCVal()); + + // output the element + resp = outputTraceElement(m_output_elem); + } + else + { + // branch address only - implies E atom - need to output a range element based on the atom. + if(m_curr_pe_state.valid) + resp = processAtomRange(ATOM_E,"BranchAddr"); + } + + // now set the branch address for the next time. + m_curr_pe_state.isa = m_curr_packet_in->getISA(); + m_curr_pe_state.instr_addr = m_curr_packet_in->getAddrVal(); + m_curr_pe_state.valid = true; + } + + // atom range may return with NACC pending + checkPendingNacc(resp); + + // if wait and still stuff to process.... + if(OCSD_DATA_RESP_IS_WAIT(resp) && ( m_mem_nacc_pending)) + m_curr_state = CONT_BRANCH; + + return resp; +} + +// effectively completes a range prior to exception or after many bytes of trace (>4096) +// +ocsd_datapath_resp_t TrcPktDecodePtm::processWPUpdate() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + // if we need an address to run from then the WPUpdate will not form a range as + // we do not have a start point - still waiting for branch or other address packet + if(m_curr_pe_state.valid) + { + // WP update implies atom - use E, we cannot be sure if the instruction passed its condition codes + // - though it doesn't really matter as it is not a branch so cannot change flow. + resp = processAtomRange(ATOM_E,"WP update",TRACE_TO_ADDR_INCL,m_curr_packet_in->getAddrVal()); + } + + // atom range may return with NACC pending + checkPendingNacc(resp); + + // if wait and still stuff to process.... + if(OCSD_DATA_RESP_IS_WAIT(resp) && ( m_mem_nacc_pending)) + m_curr_state = CONT_WPUP; + + return resp; +} + +// a single atom packet can result in multiple range outputs...need to be re-entrant in case we get a wait response. +// also need to handle nacc response from instruction walking routine +// +ocsd_datapath_resp_t TrcPktDecodePtm::processAtom() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + // loop to process all the atoms in the packet + while(m_atoms.numAtoms() && m_curr_pe_state.valid && OCSD_DATA_RESP_IS_CONT(resp)) + { + resp = processAtomRange(m_atoms.getCurrAtomVal(),"atom"); + if(!m_curr_pe_state.valid) + m_atoms.clearAll(); + else + m_atoms.clearAtom(); + } + + // bad address may mean a nacc needs sending + checkPendingNacc(resp); + + // if wait and still stuff to process.... + if(OCSD_DATA_RESP_IS_WAIT(resp) && ( m_mem_nacc_pending || m_atoms.numAtoms())) + m_curr_state = CONT_ATOM; + + return resp; +} + + void TrcPktDecodePtm::checkPendingNacc(ocsd_datapath_resp_t &resp) + { + if(m_mem_nacc_pending && OCSD_DATA_RESP_IS_CONT(resp)) + { + m_output_elem.setType(OCSD_GEN_TRC_ELEM_ADDR_NACC); + m_output_elem.st_addr = m_nacc_addr; + resp = outputTraceElementIdx(m_index_curr_pkt,m_output_elem); + m_mem_nacc_pending = false; + } + } + +// given an atom element - walk the code and output a range or mark nacc. +ocsd_datapath_resp_t TrcPktDecodePtm::processAtomRange(const ocsd_atm_val A, const char *pkt_msg, const waypoint_trace_t traceWPOp /*= TRACE_WAYPOINT*/, const ocsd_vaddr_t nextAddrMatch /*= 0*/) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bWPFound = false; + std::ostringstream oss; + ocsd_err_t err = OCSD_OK; + + m_instr_info.instr_addr = m_curr_pe_state.instr_addr; + m_instr_info.isa = m_curr_pe_state.isa; + + // set type (which resets out-elem) before traceInstrToWP modifies out-elem values + m_output_elem.setType(OCSD_GEN_TRC_ELEM_INSTR_RANGE); + + err = traceInstrToWP(bWPFound,traceWPOp,nextAddrMatch); + if(err != OCSD_OK) + { + if(err == OCSD_ERR_UNSUPPORTED_ISA) + { + m_curr_pe_state.valid = false; // need a new address packet + oss << "Warning: unsupported instruction set processing " << pkt_msg << " packet."; + LogError(ocsdError(OCSD_ERR_SEV_WARN,err,m_index_curr_pkt,m_CSID,oss.str())); + // wait for next address + return OCSD_RESP_WARN_CONT; + } + else + { + resp = OCSD_RESP_FATAL_INVALID_DATA; + oss << "Error processing " << pkt_msg << " packet."; + LogError(ocsdError(OCSD_ERR_SEV_ERROR,err,m_index_curr_pkt,m_CSID,oss.str())); + return resp; + } + } + + if(bWPFound) + { + // save recorded next instuction address + ocsd_vaddr_t nextAddr = m_instr_info.instr_addr; + + // action according to waypoint type and atom value + switch(m_instr_info.type) + { + case OCSD_INSTR_BR: + if (A == ATOM_E) + { + m_instr_info.instr_addr = m_instr_info.branch_addr; + if (m_instr_info.is_link) + m_return_stack.push(nextAddr,m_instr_info.isa); + } + break; + + // For PTM -> branch addresses imply E atom, N atom does not need address (return stack will require this) + case OCSD_INSTR_BR_INDIRECT: + if (A == ATOM_E) + { + // atom on indirect branch - either implied E from a branch address packet, or return stack if active. + + // indirect branch taken - need new address -if the current packet is a branch address packet this will be sorted. + m_curr_pe_state.valid = false; + + // if return stack and the incoming packet is an atom. + if (m_return_stack.is_active() && (m_curr_packet_in->getType() == PTM_PKT_ATOM)) + { + // we have an E atom packet and return stack value - set address from return stack + m_instr_info.instr_addr = m_return_stack.pop(m_instr_info.next_isa); + + if (m_return_stack.overflow()) + { + resp = OCSD_RESP_FATAL_INVALID_DATA; + oss << "Return stack error processing " << pkt_msg << " packet."; + LogError(ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_RET_STACK_OVERFLOW, m_index_curr_pkt, m_CSID, oss.str())); + return resp; + } + else + m_curr_pe_state.valid = true; + } + if(m_instr_info.is_link) + m_return_stack.push(nextAddr, m_instr_info.isa); + } + break; + } + + m_output_elem.setLastInstrInfo((A == ATOM_E),m_instr_info.type, m_instr_info.sub_type,m_instr_info.instr_size); + m_output_elem.setISA(m_curr_pe_state.isa); + if(m_curr_packet_in->hasCC()) + m_output_elem.setCycleCount(m_curr_packet_in->getCCVal()); + m_output_elem.setLastInstrCond(m_instr_info.is_conditional); + resp = outputTraceElementIdx(m_index_curr_pkt,m_output_elem); + + m_curr_pe_state.instr_addr = m_instr_info.instr_addr; + m_curr_pe_state.isa = m_instr_info.next_isa; + } + else + { + // no waypoint - likely inaccessible memory range. + m_curr_pe_state.valid = false; // need an address update + + if(m_output_elem.st_addr != m_output_elem.en_addr) + { + // some trace before we were out of memory access range + m_output_elem.setLastInstrInfo(true,m_instr_info.type, m_instr_info.sub_type,m_instr_info.instr_size); + m_output_elem.setISA(m_curr_pe_state.isa); + m_output_elem.setLastInstrCond(m_instr_info.is_conditional); + resp = outputTraceElementIdx(m_index_curr_pkt,m_output_elem); + } + } + return resp; +} + +ocsd_err_t TrcPktDecodePtm::traceInstrToWP(bool &bWPFound, const waypoint_trace_t traceWPOp /*= TRACE_WAYPOINT*/, const ocsd_vaddr_t nextAddrMatch /*= 0*/) +{ + uint32_t opcode; + uint32_t bytesReq; + ocsd_err_t err = OCSD_OK; + ocsd_vaddr_t curr_op_address; + + ocsd_mem_space_acc_t mem_space = (m_pe_context.security_level == ocsd_sec_secure) ? OCSD_MEM_SPACE_S : OCSD_MEM_SPACE_N; + + m_output_elem.st_addr = m_output_elem.en_addr = m_instr_info.instr_addr; + m_output_elem.num_instr_range = 0; + + bWPFound = false; + + while(!bWPFound && !m_mem_nacc_pending) + { + // start off by reading next opcode; + bytesReq = 4; + curr_op_address = m_instr_info.instr_addr; // save the start address for the current opcode + err = accessMemory(m_instr_info.instr_addr,mem_space,&bytesReq,(uint8_t *)&opcode); + if(err != OCSD_OK) break; + + if(bytesReq == 4) // got data back + { + m_instr_info.opcode = opcode; + err = instrDecode(&m_instr_info); + if(err != OCSD_OK) break; + + // increment address - may be adjusted by direct branch value later + m_instr_info.instr_addr += m_instr_info.instr_size; + + // update the range decoded address in the output packet. + m_output_elem.en_addr = m_instr_info.instr_addr; + m_output_elem.num_instr_range++; + + m_output_elem.last_i_type = m_instr_info.type; + // either walking to match the next instruction address or a real waypoint + if(traceWPOp != TRACE_WAYPOINT) + { + if(traceWPOp == TRACE_TO_ADDR_EXCL) + bWPFound = (m_output_elem.en_addr == nextAddrMatch); + else + bWPFound = (curr_op_address == nextAddrMatch); + } + else + bWPFound = (m_instr_info.type != OCSD_INSTR_OTHER); + } + else + { + // not enough memory accessible. + m_mem_nacc_pending = true; + m_nacc_addr = m_instr_info.instr_addr; + } + } + return err; +} + +/* End of File trc_pkt_decode_ptm.cpp */ diff --git a/decoder/source/ptm/trc_pkt_elem_ptm.cpp b/decoder/source/ptm/trc_pkt_elem_ptm.cpp new file mode 100644 index 0000000..7c8bcd7 --- /dev/null +++ b/decoder/source/ptm/trc_pkt_elem_ptm.cpp @@ -0,0 +1,473 @@ +/* + * \file trc_pkt_elem_ptm.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sstream> +#include <iomanip> + +#include "opencsd/ptm/trc_pkt_elem_ptm.h" + +PtmTrcPacket::PtmTrcPacket() +{ +} + +PtmTrcPacket::~PtmTrcPacket() +{ +} + +PtmTrcPacket &PtmTrcPacket::operator =(const ocsd_ptm_pkt* p_pkt) +{ + *dynamic_cast<ocsd_ptm_pkt *>(this) = *p_pkt; + return *this; +} + +void PtmTrcPacket::Clear() +{ + err_type = PTM_PKT_NOERROR; + cycle_count = 0; + cc_valid = 0; + context.updated = 0; + context.updated_c = 0; + context.updated_v = 0; + ts_update_bits = 0; + atom.En_bits = 0; + exception.bits.present = 0; + prev_isa = curr_isa; // mark ISA as not changed +} + +void PtmTrcPacket::ResetState() +{ + type = PTM_PKT_NOTSYNC; + + context.ctxtID = 0; + context.VMID = 0; + context.curr_alt_isa = 0; + context.curr_Hyp = 0; + context.curr_NS = 0; + + addr.valid_bits = 0; + addr.size = VA_32BIT; + addr.val = 0; + + prev_isa = curr_isa = ocsd_isa_unknown; + + timestamp = 0; + + Clear(); +} + +void PtmTrcPacket::UpdateAddress(const ocsd_vaddr_t partAddrVal, const int updateBits) +{ + ocsd_vaddr_t validMask = OCSD_VA_MASK; + validMask >>= OCSD_MAX_VA_BITSIZE-updateBits; + addr.pkt_bits = updateBits; + addr.val &= ~validMask; + addr.val |= (partAddrVal & validMask); + if(updateBits > addr.valid_bits) + addr.valid_bits = updateBits; +} + +void PtmTrcPacket::UpdateTimestamp(const uint64_t tsVal, const uint8_t updateBits) +{ + uint64_t validMask = ~0ULL; + validMask >>= 64-updateBits; + timestamp &= ~validMask; + timestamp |= (tsVal & validMask); + ts_update_bits = updateBits; +} + +void PtmTrcPacket::SetCycleAccAtomFromPHdr(const uint8_t pHdr) +{ + atom.num = 1; + atom.En_bits = (pHdr & 0x2) ? 0x0 : 0x1; +} + +void PtmTrcPacket::SetAtomFromPHdr(const uint8_t pHdr) +{ + // how many atoms + uint8_t atom_fmt_id = pHdr & 0xF0; + if(atom_fmt_id == 0x80) + { + // format 1 or 2 + if((pHdr & 0x08) == 0x08) + atom.num = 2; + else + atom.num = 1; + } + else if(atom_fmt_id == 0x90) + { + atom.num = 3; + } + else + { + if((pHdr & 0xE0) == 0xA0) + atom.num = 4; + else + atom.num = 5; + } + + // extract the E/N bits + uint8_t atom_mask = 0x2; // start @ bit 1 - newest instruction + atom.En_bits = 0; + for(int i = 0; i < atom.num; i++) + { + atom.En_bits <<= 1; + if(!(atom_mask & pHdr)) // 0 bit is an E in PTM -> a one in the standard atom bit type + atom.En_bits |= 0x1; + atom_mask <<= 1; + } +} + + // printing +void PtmTrcPacket::toString(std::string &str) const +{ + std::string temp1, temp2; + std::ostringstream oss; + + packetTypeName(type, temp1,temp2); + oss << temp1 << " : " << temp2 << "; "; + + // some packets require additional data. + switch(type) + { + case PTM_PKT_BAD_SEQUENCE: + packetTypeName(err_type, temp1,temp2); + oss << "[" << temp1 << "]; "; + break; + + case PTM_PKT_ATOM: + getAtomStr(temp1); + oss << temp1; + break; + + case PTM_PKT_CONTEXT_ID: + oss << "CtxtID=0x" << std::hex << std::setw(8) << std::setfill('0') << context.ctxtID << "; "; + break; + + case PTM_PKT_VMID: + oss << "VMID=0x" << std::hex << std::setw(2) << std::setfill('0') << context.VMID << "; "; + break; + + case PTM_PKT_WPOINT_UPDATE: + case PTM_PKT_BRANCH_ADDRESS: + getBranchAddressStr(temp1); + oss << temp1; + break; + + case PTM_PKT_I_SYNC: + getISyncStr(temp1); + oss << temp1; + break; + + case PTM_PKT_TIMESTAMP: + getTSStr(temp1); + oss << temp1; + break; + } + + str = oss.str(); +} + +void PtmTrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const +{ + toString(str); +} + +void PtmTrcPacket::getAtomStr(std::string &valStr) const +{ + std::ostringstream oss; + uint32_t bitpattern = atom.En_bits; // arranged LSBit oldest, MSbit newest + + if(cc_valid) // cycle accurate trace - single atom + { + std::string subStr; + oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest + oss << "; "; + getCycleCountStr(subStr); + oss << subStr; + } + else + { + // none cycle count + for(int i = 0; i < atom.num; i++) + { + oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest + bitpattern >>= 1; + } + oss << "; "; + } + valStr = oss.str(); +} + +void PtmTrcPacket::getBranchAddressStr(std::string &valStr) const +{ + std::ostringstream oss; + std::string subStr; + + // print address. + trcPrintableElem::getValStr(subStr,32,addr.valid_bits,addr.val,true,addr.pkt_bits); + oss << "Addr=" << subStr << "; "; + + // current ISA if changed. + if(curr_isa != prev_isa) + { + getISAStr(subStr); + oss << subStr; + } + + // S / NS etc if changed. + if(context.updated) + { + oss << (context.curr_NS ? "NS; " : "S; "); + oss << (context.curr_Hyp ? "Hyp; " : ""); + } + + // exception? + if(exception.bits.present) + { + getExcepStr(subStr); + oss << subStr; + } + + if(cc_valid) + { + getCycleCountStr(subStr); + oss << subStr; + } + valStr = oss.str(); +} + +void PtmTrcPacket::getISAStr(std::string &isaStr) const +{ + std::ostringstream oss; + oss << "ISA="; + switch(curr_isa) + { + case ocsd_isa_arm: + oss << "ARM(32); "; + break; + + case ocsd_isa_thumb2: + oss << "Thumb2; "; + break; + + case ocsd_isa_aarch64: + oss << "AArch64; "; + break; + + case ocsd_isa_tee: + oss << "ThumbEE; "; + break; + + case ocsd_isa_jazelle: + oss << "Jazelle; "; + break; + + default: + case ocsd_isa_unknown: + oss << "Unknown; "; + break; + } + isaStr = oss.str(); +} + +void PtmTrcPacket::getExcepStr(std::string &excepStr) const +{ + static const char *ARv7Excep[] = { + "No Exception", "Debug Halt", "SMC", "Hyp", + "Async Data Abort", "Jazelle", "Reserved", "Reserved", + "PE Reset", "Undefined Instr", "SVC", "Prefetch Abort", + "Data Fault", "Generic", "IRQ", "FIQ" + }; + + std::ostringstream oss; + oss << "Excep="; + if(exception.number < 16) + oss << ARv7Excep[exception.number]; + else + oss << "Unknown"; + oss << " [" << std::hex << std::setw(2) << std::setfill('0') << exception.number << "]; "; + excepStr = oss.str(); +} + +void PtmTrcPacket::getISyncStr(std::string &valStr) const +{ + std::ostringstream oss; + std::string tmpStr; + static const char *reason[] = { "Periodic", "Trace Enable", "Restart Overflow", "Debug Exit" }; + + // reason. + oss << "(" << reason[(int)i_sync_reason] << "); "; + + // full address. + oss << "Addr=0x" << std::hex << std::setfill('0') << std::setw(8) << (uint32_t)addr.val << "; "; + + oss << (context.curr_NS ? "NS; " : "S; "); + oss << (context.curr_Hyp ? "Hyp; " : " "); + + if(context.updated_c) + { + oss << "CtxtID=" << std::hex << std::setw(8) << std::setfill('0') << context.ctxtID << "; "; + } + + getISAStr(tmpStr); + oss << tmpStr; + + if(cc_valid) + { + getCycleCountStr(tmpStr); + oss << tmpStr; + } + valStr = oss.str(); +} + +void PtmTrcPacket::getTSStr(std::string &valStr) const +{ + std::string tmpStr; + std::ostringstream oss; + + trcPrintableElem::getValStr(tmpStr,64,64,timestamp,true,ts_update_bits); + oss << "TS=" << tmpStr + "(" << std::dec << timestamp << "); "; + if(cc_valid) + { + getCycleCountStr(tmpStr); + oss << tmpStr; + } + valStr = oss.str(); +} + + +void PtmTrcPacket::getCycleCountStr(std::string &subStr) const +{ + std::ostringstream oss; + oss << "Cycles=" << std::dec << cycle_count << "; "; + subStr = oss.str(); +} + + +void PtmTrcPacket::packetTypeName(const ocsd_ptm_pkt_type pkt_type, std::string &name, std::string &desc) const +{ + switch(pkt_type) + { + case PTM_PKT_NOTSYNC: //!< no sync found yet + name = "NOTSYNC"; + desc = "PTM Not Synchronised"; + break; + + case PTM_PKT_INCOMPLETE_EOT: + name = "INCOMPLETE_EOT"; + desc = "Incomplete packet flushed at end of trace"; + break; + + case PTM_PKT_NOERROR: + name = "NO_ERROR"; + desc = "Error type not set"; + break; + + case PTM_PKT_BAD_SEQUENCE: + name = "BAD_SEQUENCE"; + desc = "Invalid sequence in packet"; + break; + + case PTM_PKT_RESERVED: + name = "RESERVED"; + desc = "Reserved Packet Header"; + break; + + case PTM_PKT_BRANCH_ADDRESS: + name = "BRANCH_ADDRESS"; + desc = "Branch address packet"; + break; + + case PTM_PKT_A_SYNC: + name = "ASYNC"; + desc = "Alignment Synchronisation Packet"; + break; + + case PTM_PKT_I_SYNC: + name = "ISYNC"; + desc = "Instruction Synchronisation packet"; + break; + + case PTM_PKT_TRIGGER: + name = "TRIGGER"; + desc = "Trigger Event packet"; + break; + + case PTM_PKT_WPOINT_UPDATE: + name = "WP_UPDATE"; + desc = "Waypoint update packet"; + break; + + case PTM_PKT_IGNORE: + name = "IGNORE"; + desc = "Ignore packet"; + break; + + case PTM_PKT_CONTEXT_ID: + name = "CTXTID"; + desc = "Context ID packet"; + break; + + case PTM_PKT_VMID: + name = "VMID"; + desc = "VM ID packet"; + break; + + case PTM_PKT_ATOM: + name = "ATOM"; + desc = "Atom packet"; + break; + + case PTM_PKT_TIMESTAMP: + name = "TIMESTAMP"; + desc = "Timestamp packet"; + break; + + case PTM_PKT_EXCEPTION_RET: + name = "ERET"; + desc = "Exception return packet"; + break; + + default: + name = "UNKNOWN"; + desc = "Unknown packet type"; + break; + + //PTM_PKT_BRANCH_OR_BYPASS_EOT, + //PTM_PKT_TPIU_PAD_EOB, + } +} + +/* End of File trc_pkt_elem_ptm.cpp */ diff --git a/decoder/source/ptm/trc_pkt_proc_ptm.cpp b/decoder/source/ptm/trc_pkt_proc_ptm.cpp new file mode 100644 index 0000000..668a14b --- /dev/null +++ b/decoder/source/ptm/trc_pkt_proc_ptm.cpp @@ -0,0 +1,1218 @@ +/* + * \file trc_pkt_proc_ptm.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/ptm/trc_pkt_proc_ptm.h" +#include "opencsd/ptm/trc_cmp_cfg_ptm.h" +#include "common/ocsd_error.h" + + +#ifdef __GNUC__ +// G++ doesn't like the ## pasting +#define PTM_PKTS_NAME "PKTP_PTM" +#else +// VC++ is OK +#define PTM_PKTS_NAME OCSD_CMPNAME_PREFIX_PKTPROC##"_PTM" +#endif + +TrcPktProcPtm::TrcPktProcPtm() : TrcPktProcBase(PTM_PKTS_NAME) +{ + InitProcessorState(); + BuildIPacketTable(); +} + +TrcPktProcPtm::TrcPktProcPtm(int instIDNum) : TrcPktProcBase(PTM_PKTS_NAME, instIDNum) +{ + InitProcessorState(); + BuildIPacketTable(); +} + +TrcPktProcPtm::~TrcPktProcPtm() +{ + +} + +ocsd_err_t TrcPktProcPtm::onProtocolConfig() +{ + ocsd_err_t err = OCSD_ERR_NOT_INIT; + + if(m_config != 0) + { + m_chanIDCopy = m_config->getTraceID(); + err = OCSD_OK; + } + return err; +} + +ocsd_datapath_resp_t TrcPktProcPtm::processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + uint8_t currByte = 0; + + m_dataInProcessed = 0; + + if(!checkInit()) + { + resp = OCSD_RESP_FATAL_NOT_INIT; + } + else + { + m_pDataIn = pDataBlock; + m_dataInLen = dataBlockSize; + m_block_idx = index; // index start for current block + } + + while( ( ( m_dataInProcessed < dataBlockSize) || + (( m_dataInProcessed == dataBlockSize) && (m_process_state == SEND_PKT)) ) && + OCSD_DATA_RESP_IS_CONT(resp)) + { + try + { + switch(m_process_state) + { + case WAIT_SYNC: + if(!m_waitASyncSOPkt) + { + m_curr_pkt_index = m_block_idx + m_dataInProcessed; + m_curr_packet.type = PTM_PKT_NOTSYNC; + m_bAsyncRawOp = hasRawMon(); + } + resp = waitASync(); + break; + + case PROC_HDR: + m_curr_pkt_index = m_block_idx + m_dataInProcessed; + if(readByte(currByte)) + { + m_pIPktFn = m_i_table[currByte].pptkFn; + m_curr_packet.type = m_i_table[currByte].pkt_type; + } + else + { + // sequencing error - should not get to the point where readByte + // fails and m_DataInProcessed < dataBlockSize + // throw data overflow error + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_PKT_INTERP_FAIL,m_curr_pkt_index,this->m_chanIDCopy,"Data Buffer Overrun"); + } + m_process_state = PROC_DATA; + + case PROC_DATA: + (this->*m_pIPktFn)(); + break; + + case SEND_PKT: + resp = outputPacket(); + InitPacketState(); + m_process_state = PROC_HDR; + break; + } + } + catch(ocsdError &err) + { + LogError(err); + if( (err.getErrorCode() == OCSD_ERR_BAD_PACKET_SEQ) || + (err.getErrorCode() == OCSD_ERR_INVALID_PCKT_HDR)) + { + // send invalid packets up the pipe to let the next stage decide what to do. + m_process_state = SEND_PKT; + } + else + { + // bail out on any other error. + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + } + catch(...) + { + /// vv bad at this point. + resp = OCSD_RESP_FATAL_SYS_ERR; + const ocsdError &fatal = ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_curr_pkt_index,m_chanIDCopy,"Unknown System Error decoding trace."); + LogError(fatal); + } + + } + *numBytesProcessed = m_dataInProcessed; + return resp; +} + +ocsd_datapath_resp_t TrcPktProcPtm::onEOT() +{ + ocsd_datapath_resp_t err = OCSD_RESP_FATAL_NOT_INIT; + if(checkInit()) + { + err = OCSD_RESP_CONT; + if(m_currPacketData.size() > 0) + { + m_curr_packet.SetErrType(PTM_PKT_INCOMPLETE_EOT); + err = outputPacket(); + } + } + return err; +} + +ocsd_datapath_resp_t TrcPktProcPtm::onReset() +{ + ocsd_datapath_resp_t err = OCSD_RESP_FATAL_NOT_INIT; + if(checkInit()) + { + InitProcessorState(); + err = OCSD_RESP_CONT; + } + return err; +} + +ocsd_datapath_resp_t TrcPktProcPtm::onFlush() +{ + ocsd_datapath_resp_t err = OCSD_RESP_FATAL_NOT_INIT; + if(checkInit()) + { + err = OCSD_RESP_CONT; + } + return err; +} + +const bool TrcPktProcPtm::isBadPacket() const +{ + return m_curr_packet.isBadPacket(); +} + +void TrcPktProcPtm::InitPacketState() +{ + m_curr_packet.Clear(); + +} + +void TrcPktProcPtm::InitProcessorState() +{ + m_curr_packet.SetType(PTM_PKT_NOTSYNC); + m_pIPktFn = &TrcPktProcPtm::pktReserved; + m_process_state = WAIT_SYNC; + m_async_0 = 0; + m_waitASyncSOPkt = false; + m_bAsyncRawOp = false; + m_bOPNotSyncPkt = false; + m_excepAltISA = 0; + + m_curr_packet.ResetState(); + InitPacketState(); +} + +const bool TrcPktProcPtm::readByte(uint8_t &currByte) +{ + bool bValidByte = false; + + if(m_dataInProcessed < m_dataInLen) + { + currByte = m_pDataIn[m_dataInProcessed++]; + m_currPacketData.push_back(currByte); + bValidByte = true; + } + return bValidByte; +} + +void TrcPktProcPtm::unReadByte() +{ + m_dataInProcessed--; + m_currPacketData.pop_back(); +} + +ocsd_datapath_resp_t TrcPktProcPtm::outputPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + resp = outputOnAllInterfaces(m_curr_pkt_index,&m_curr_packet,&m_curr_packet.type,m_currPacketData); + m_currPacketData.clear(); + return resp; +} + +/*** sync and packet functions ***/ +ocsd_datapath_resp_t TrcPktProcPtm::waitASync() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + + // looking for possible patterns in input buffer:- + // a) ASYNC @ start : 00 00 00 00 00 80 + // b) unsync then async: xx xx xx xx xx xx xx xx 00 00 00 00 00 80 + // c) unsync (may have 00) xx xx xx xx 00 xx xx 00 00 00 xx xx xx xx + // d) unsync then part async: xx xx xx xx xx xx xx xx xx xx xx 00 00 00 + // e) unsync with prev part async [00 00 00] 00 xx xx xx xx xx xx xx xx [] = byte in previous input buffer + + // bytes to read before throwing an unsynced packet + #define UNSYNC_PKT_MAX 16 + static const uint8_t spare_zeros[] = { 0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0 }; + + bool doScan = true; + bool bSendUnsyncedData = false; + bool bHaveASync = false; + int unsynced_bytes = 0; + int unsync_scan_block_start = 0; + int pktBytesOnEntry = m_currPacketData.size(); // did we have part of a potential async last time? + + while(doScan && OCSD_DATA_RESP_IS_CONT(resp)) + { + // may have spotted the start of an async + if(m_waitASyncSOPkt == true) + { + switch(findAsync()) + { + case ASYNC: + case ASYNC_EXTRA_0: + m_process_state = SEND_PKT; + m_waitASyncSOPkt = false; + bSendUnsyncedData = true; + bHaveASync = true; + doScan = false; + break; + + case THROW_0: + // remove a bunch of 0s + unsynced_bytes += ASYNC_PAD_0_LIMIT; + m_waitASyncSOPkt = false; + m_currPacketData.erase( m_currPacketData.begin(), m_currPacketData.begin()+ASYNC_PAD_0_LIMIT); + break; + + case NOT_ASYNC: + unsynced_bytes += m_currPacketData.size(); + m_waitASyncSOPkt = false; + m_currPacketData.clear(); + break; + + case ASYNC_INCOMPLETE: + bSendUnsyncedData = true; + doScan = false; + break; + } + } + else + { + if(m_pDataIn[m_dataInProcessed++] == 0x00) + { + m_waitASyncSOPkt = true; + m_currPacketData.push_back(0); + m_async_0 = 1; + } + else + { + unsynced_bytes++; + } + } + + // may need to send some unsynced data here, either if we have enought to make it worthwhile, + // or are at the end of the buffer. + if(unsynced_bytes >= UNSYNC_PKT_MAX) + bSendUnsyncedData = true; + + if(m_dataInProcessed == m_dataInLen) + { + bSendUnsyncedData = true; + doScan = false; // no more data available - stop the scan + } + + // will send any unsynced data + if(bSendUnsyncedData && (unsynced_bytes > 0)) + { + if(m_bAsyncRawOp) + { + // there were some 0's in the packet buyffer from the last pass that are no longer in the raw buffer, + // and these turned out not to be an async + if(pktBytesOnEntry) + { + outputRawPacketToMonitor(m_curr_pkt_index,&m_curr_packet,pktBytesOnEntry,spare_zeros); + m_curr_pkt_index += pktBytesOnEntry; + } + outputRawPacketToMonitor(m_curr_pkt_index,&m_curr_packet,unsynced_bytes,m_pDataIn+unsync_scan_block_start); + } + if (!m_bOPNotSyncPkt) + { + resp = outputDecodedPacket(m_curr_pkt_index, &m_curr_packet); + m_bOPNotSyncPkt = true; + } + unsync_scan_block_start += unsynced_bytes; + m_curr_pkt_index+= unsynced_bytes; + unsynced_bytes = 0; + bSendUnsyncedData = false; + } + + // mark next packet as the ASYNC we are looking for. + if(bHaveASync) + m_curr_packet.SetType(PTM_PKT_A_SYNC); + } + + return resp; +} + +void TrcPktProcPtm::pktASync() +{ + if(m_currPacketData.size() == 1) // header byte + { + m_async_0 = 1; + } + + switch(findAsync()) + { + case ASYNC: + case ASYNC_EXTRA_0: + m_process_state = SEND_PKT; + break; + + case THROW_0: + case NOT_ASYNC: + throwMalformedPacketErr("Bad Async packet"); + break; + + case ASYNC_INCOMPLETE: + break; + + } +} + +TrcPktProcPtm::async_result_t TrcPktProcPtm::findAsync() +{ + async_result_t async_res = NOT_ASYNC; + bool bFound = false; // found non-zero byte in sequence + bool bByteAvail = true; + uint8_t currByte; + + while(!bFound && bByteAvail) + { + if(readByte(currByte)) + { + if(currByte == 0x00) + { + m_async_0++; + if(m_async_0 >= (ASYNC_PAD_0_LIMIT + ASYNC_REQ_0)) + { + bFound = true; + async_res = THROW_0; + } + } + else + { + if(currByte == 0x80) + { + if(m_async_0 == 5) + async_res = ASYNC; + else if(m_async_0 > 5) + async_res = ASYNC_EXTRA_0; + } + bFound = true; + } + } + else + { + bByteAvail = false; + async_res = ASYNC_INCOMPLETE; + } + } + return async_res; +} + +void TrcPktProcPtm::pktISync() +{ + uint8_t currByte = 0; + int pktIndex = m_currPacketData.size() - 1; + bool bGotBytes = false, validByte = true; + + if(pktIndex == 0) + { + m_numCtxtIDBytes = m_config->CtxtIDBytes(); + m_gotCtxtIDBytes = 0; + + // total bytes = 6 + ctxtID; (perhaps more later) + m_numPktBytesReq = 6 + m_numCtxtIDBytes; + } + + while(validByte && !bGotBytes) + { + if(readByte(currByte)) + { + pktIndex = m_currPacketData.size() - 1; + if(pktIndex == 5) + { + // got the info byte + int altISA = (currByte >> 2) & 0x1; + int reason = (currByte >> 5) & 0x3; + m_curr_packet.SetISyncReason((ocsd_iSync_reason)(reason)); + m_curr_packet.UpdateNS((currByte >> 3) & 0x1); + m_curr_packet.UpdateAltISA((currByte >> 2) & 0x1); + m_curr_packet.UpdateHyp((currByte >> 1) & 0x1); + + ocsd_isa isa = ocsd_isa_arm; + if(m_currPacketData[1] & 0x1) + isa = altISA ? ocsd_isa_tee : ocsd_isa_thumb2; + m_curr_packet.UpdateISA(isa); + + // check cycle count required - not if reason == 0; + m_needCycleCount = (reason != 0) ? m_config->enaCycleAcc() : false; + m_gotCycleCount = false; + m_numPktBytesReq += (m_needCycleCount ? 1 : 0); + m_gotCCBytes = 0; + + } + else if(pktIndex > 5) + { + // cycle count appears first if present + if(m_needCycleCount && !m_gotCycleCount) + { + if(pktIndex == 6) + m_gotCycleCount = (bool)((currByte & 0x40) == 0); // no cont bit, got cycle count + else + m_gotCycleCount = ((currByte & 0x80) == 0) || (pktIndex == 10); + + m_gotCCBytes++; // count the cycle count bytes for later use. + if(!m_gotCycleCount) // need more cycle count bytes + m_numPktBytesReq++; + } + // then context ID if present. + else if( m_numCtxtIDBytes > m_gotCtxtIDBytes) + { + m_gotCtxtIDBytes++; + } + } + + // check if we have enough bytes + bGotBytes = (bool)((unsigned)m_numPktBytesReq == m_currPacketData.size()); + } + else + validByte = false; // no byte available, exit. + } + + if(bGotBytes) + { + // extract address value, cycle count and ctxt id. + uint32_t cycleCount = 0; + uint32_t ctxtID = 0; + int optIdx = 6; // start index for optional elements. + + // address is always full fixed 32 bit value + uint32_t address = ((uint32_t)m_currPacketData[1]) & 0xFE; + address |= ((uint32_t)m_currPacketData[2]) << 8; + address |= ((uint32_t)m_currPacketData[3]) << 16; + address |= ((uint32_t)m_currPacketData[4]) << 24; + m_curr_packet.UpdateAddress(address,32); + + if(m_needCycleCount) + { + extractCycleCount(optIdx,cycleCount); + m_curr_packet.SetCycleCount(cycleCount); + optIdx+=m_gotCCBytes; + } + + if(m_numCtxtIDBytes) + { + extractCtxtID(optIdx,ctxtID); + m_curr_packet.UpdateContextID(ctxtID); + } + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktTrigger() +{ + m_process_state = SEND_PKT; // no payload +} + +void TrcPktProcPtm::pktWPointUpdate() +{ + bool bDone = false; + bool bBytesAvail = true; + uint8_t currByte = 0; + int byteIdx = 0; + + if(m_currPacketData.size() == 1) + { + m_gotAddrBytes = false; // flag to indicate got all needed address bytes + m_numAddrBytes = 0; // number of address bytes so far - in this case header is not part of the address + + m_gotExcepBytes = false; // mark as not got all required exception bytes thus far + m_numExcepBytes = 0; // 0 read in + + m_addrPktIsa = ocsd_isa_unknown; // not set by this packet as yet + } + + // collect all the bytes needed + while(!bDone && bBytesAvail) + { + if(readByte(currByte)) + { + + byteIdx = m_currPacketData.size() - 1; + if(!m_gotAddrBytes) + { + // byteIdx for address byte will run from 1 to 5 - first 4 my have continuation or not. + if(byteIdx <= 4) + { + // address bytes 1 - 4; + // ISA stays the same + if((currByte & 0x80) == 0x00) + { + // no further bytes + m_gotAddrBytes = true; + bDone = true; + m_gotExcepBytes = true; + } + } + else + { + // 5th address byte - determine ISA from this. + if((currByte & 0x40) == 0x00) + m_gotExcepBytes = true; // no exception bytes - mark as done + m_gotAddrBytes = true; + bDone = m_gotExcepBytes; + + m_addrPktIsa = ocsd_isa_arm; // assume ARM, but then check + if((currByte & 0x20) == 0x20) // bit 5 == 1'b1 - jazelle, bits 4 & 3 part of address. + m_addrPktIsa = ocsd_isa_jazelle; + else if((currByte & 0x30) == 0x10) // bit [5:4] == 2'b01 - thumb, bit 3 part of address. + m_addrPktIsa = ocsd_isa_thumb2; + } + m_numAddrBytes++; + } + else if(!m_gotExcepBytes) + { + // excep byte is actually a WP update byte. + m_excepAltISA = ((currByte & 0x40) == 0x40) ? 1 : 0; + m_gotExcepBytes = true; + m_numExcepBytes++; + bDone = true; + } + } + else + bBytesAvail = false; + } + + // analyse the bytes to create the packet + if(bDone) + { + // ISA for the packet + if(m_addrPktIsa == ocsd_isa_unknown) // unchanged by trace packet + m_addrPktIsa = m_curr_packet.getISA(); // same as prev + + if(m_gotExcepBytes) // may adjust according to alt ISA in exception packet + { + if((m_addrPktIsa == ocsd_isa_tee) && (m_excepAltISA == 0)) + m_addrPktIsa = ocsd_isa_thumb2; + else if((m_addrPktIsa == ocsd_isa_thumb2) && (m_excepAltISA == 1)) + m_addrPktIsa = ocsd_isa_tee; + } + m_curr_packet.UpdateISA(m_addrPktIsa); // mark ISA in packet (update changes current and prev to dectect an ISA change). + + uint8_t total_bits = 0; + uint32_t addr_val = extractAddress(1,total_bits); + m_curr_packet.UpdateAddress(addr_val,total_bits); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktIgnore() +{ + m_process_state = SEND_PKT; // no payload +} + +void TrcPktProcPtm::pktCtxtID() +{ + int pktIndex = m_currPacketData.size() - 1; + + // if at the header, determine how many more bytes we need. + if(pktIndex == 0) + { + m_numCtxtIDBytes = m_config->CtxtIDBytes(); + m_gotCtxtIDBytes = 0; + } + + // read the necessary ctxtID bytes from the stream + bool bGotBytes = false, bytesAvail = true; + uint32_t ctxtID = 0; + + bGotBytes = m_numCtxtIDBytes == m_gotCtxtIDBytes; + while(!bGotBytes & bytesAvail) + { + bytesAvail = readByte(); + if(bytesAvail) + m_gotCtxtIDBytes++; + bGotBytes = m_numCtxtIDBytes == m_gotCtxtIDBytes; + } + + if(bGotBytes) + { + if(m_numCtxtIDBytes) + { + extractCtxtID(1,ctxtID); + } + m_curr_packet.UpdateContextID(ctxtID); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktVMID() +{ + uint8_t currByte; + + // just need a single payload byte... + if(readByte(currByte)) + { + m_curr_packet.UpdateVMID(currByte); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktAtom() +{ + uint8_t pHdr = m_currPacketData[0]; + + if(!m_config->enaCycleAcc()) + { + m_curr_packet.SetAtomFromPHdr(pHdr); + m_process_state = SEND_PKT; + } + else + { + bool bGotAllPktBytes = false, byteAvail = true; + uint8_t currByte = 0; // cycle accurate tracing -> atom + cycle count + + if(!(pHdr & 0x40)) + { + // only the header byte present + bGotAllPktBytes = true; + } + else + { + // up to 4 additional bytes of count data. + while(byteAvail && !bGotAllPktBytes) + { + if(readByte(currByte)) + { + if(!(currByte & 0x80) || (m_currPacketData.size() == 5)) + bGotAllPktBytes = true; + } + else + byteAvail = false; + } + } + + // we have all the bytes for a cycle accurate packet. + if(bGotAllPktBytes) + { + uint32_t cycleCount = 0; + extractCycleCount(0,cycleCount); + m_curr_packet.SetCycleCount(cycleCount); + m_curr_packet.SetCycleAccAtomFromPHdr(pHdr); + m_process_state = SEND_PKT; + } + } +} + +void TrcPktProcPtm::pktTimeStamp() +{ + uint8_t currByte = 0; + int pktIndex = m_currPacketData.size() - 1; + bool bGotBytes = false, byteAvail = true; + + if(pktIndex == 0) + { + m_gotTSBytes = false; + m_needCycleCount = m_config->enaCycleAcc(); + m_gotCCBytes = 0; + + // max byte buffer size for full ts packet + m_tsByteMax = m_config->TSPkt64() ? 10 : 8; + } + + while(byteAvail && !bGotBytes) + { + if(readByte(currByte)) + { + if(!m_gotTSBytes) + { + if(((currByte & 0x80) == 0) || (m_currPacketData.size() == (unsigned)m_tsByteMax)) + { + m_gotTSBytes = true; + if(!m_needCycleCount) + bGotBytes = true; + } + } + else + { + uint8_t cc_cont_mask = 0x80; + // got TS bytes, collect cycle count + if(m_gotCCBytes == 0) + cc_cont_mask = 0x40; + if((currByte & cc_cont_mask) == 0) + bGotBytes = true; + m_gotCCBytes++; + if(m_gotCCBytes == 5) + bGotBytes = true; + } + } + else + byteAvail = false; + } + + if(bGotBytes) + { + uint64_t tsVal = 0; + uint32_t cycleCount = 0; + uint8_t tsUpdateBits = 0; + int ts_end_idx = extractTS(tsVal,tsUpdateBits); + if(m_needCycleCount) + { + extractCycleCount(ts_end_idx,cycleCount); + m_curr_packet.SetCycleCount(cycleCount); + } + m_curr_packet.UpdateTimestamp(tsVal,tsUpdateBits); + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktExceptionRet() +{ + m_process_state = SEND_PKT; // no payload +} + +void TrcPktProcPtm::pktBranchAddr() +{ + uint8_t currByte = m_currPacketData[0]; + bool bDone = false; + bool bBytesAvail = true; + int byteIdx = 0; + + if(m_currPacketData.size() == 1) + { + m_gotAddrBytes = false; // flag to indicate got all needed address bytes + m_numAddrBytes = 1; // number of address bytes so far + + m_needCycleCount = m_config->enaCycleAcc(); // check if we have a cycle count + m_gotCCBytes = 0; // number of cc bytes read in so far. + + m_gotExcepBytes = false; // mark as not got all required exception bytes thus far + m_numExcepBytes = 0; // 0 read in + + m_addrPktIsa = ocsd_isa_unknown; // not set by this packet as yet + + // header is also 1st address byte + if((currByte & 0x80) == 0) // could be single byte packet + { + m_gotAddrBytes = true; + if(!m_needCycleCount) + bDone = true; // all done if no cycle count + m_gotExcepBytes = true; // cannot have exception bytes following single byte packet + } + + } + + // collect all the bytes needed + while(!bDone && bBytesAvail) + { + if(readByte(currByte)) + { + byteIdx = m_currPacketData.size() - 1; + if(!m_gotAddrBytes) + { + if(byteIdx < 4) + { + // address bytes 2 - 4; + // ISA stays the same + if((currByte & 0x80) == 0x00) + { + // no further bytes + if((currByte & 0x40) == 0x00) + m_gotExcepBytes = true; // no exception bytes - mark as done + m_gotAddrBytes = true; + bDone = m_gotExcepBytes && !m_needCycleCount; + } + } + else + { + // 5th address byte - determine ISA from this. + if((currByte & 0x40) == 0x00) + m_gotExcepBytes = true; // no exception bytes - mark as done + m_gotAddrBytes = true; + bDone = m_gotExcepBytes && !m_needCycleCount; + + m_addrPktIsa = ocsd_isa_arm; // assume ARM, but then check + if((currByte & 0x20) == 0x20) // bit 5 == 1'b1 - jazelle, bits 4 & 3 part of address. + m_addrPktIsa = ocsd_isa_jazelle; + else if((currByte & 0x30) == 0x10) // bit [5:4] == 2'b01 - thumb, bit 3 part of address. + m_addrPktIsa = ocsd_isa_thumb2; + } + m_numAddrBytes++; + } + else if(!m_gotExcepBytes) + { + // may need exception bytes + if(m_numExcepBytes == 0) + { + if((currByte & 0x80) == 0x00) + m_gotExcepBytes = true; + m_excepAltISA = ((currByte & 0x40) == 0x40) ? 1 : 0; + } + else + m_gotExcepBytes = true; + m_numExcepBytes++; + + if(m_gotExcepBytes && !m_needCycleCount) + bDone = true; + + } + else if(m_needCycleCount) + { + // not done after exception bytes, collect cycle count + if(m_gotCCBytes == 0) + { + bDone = ((currByte & 0x40) == 0x00 ); + } + else + { + // done if no more or 5th byte + bDone = (((currByte & 0x80) == 0x00 ) || (m_gotCCBytes == 4)); + } + m_gotCCBytes++; + } + else + // this should never be reached. + throwMalformedPacketErr("sequencing error analysing branch packet"); + } + else + bBytesAvail = false; + } + + // analyse the bytes to create the packet + if(bDone) + { + // ISA for the packet + if(m_addrPktIsa == ocsd_isa_unknown) // unchanged by trace packet + m_addrPktIsa = m_curr_packet.getISA(); // same as prev + + if(m_gotExcepBytes) // may adjust according to alt ISA in exception packet + { + if((m_addrPktIsa == ocsd_isa_tee) && (m_excepAltISA == 0)) + m_addrPktIsa = ocsd_isa_thumb2; + else if((m_addrPktIsa == ocsd_isa_thumb2) && (m_excepAltISA == 1)) + m_addrPktIsa = ocsd_isa_tee; + } + m_curr_packet.UpdateISA(m_addrPktIsa); // mark ISA in packet (update changes current and prev to dectect an ISA change). + + + + // we know the ISA, we can correctly interpret the address. + uint8_t total_bits = 0; + uint32_t addr_val = extractAddress(0,total_bits); + m_curr_packet.UpdateAddress(addr_val,total_bits); + + if(m_numExcepBytes > 0) + { + uint8_t E1 = m_currPacketData[m_numAddrBytes]; + uint16_t ENum = (E1 >> 1) & 0xF; + ocsd_armv7_exception excep = Excp_Reserved; + + m_curr_packet.UpdateNS(E1 & 0x1); + if(m_numExcepBytes > 1) + { + uint8_t E2 = m_currPacketData[m_numAddrBytes+1]; + m_curr_packet.UpdateHyp((E2 >> 5) & 0x1); + ENum |= ((uint16_t)(E2 & 0x1F) << 4); + } + + if(ENum <= 0xF) + { + static ocsd_armv7_exception v7ARExceptions[16] = { + Excp_NoException, Excp_DebugHalt, Excp_SMC, Excp_Hyp, + Excp_AsyncDAbort, Excp_ThumbEECheckFail, Excp_Reserved, Excp_Reserved, + Excp_Reset, Excp_Undef, Excp_SVC, Excp_PrefAbort, + Excp_SyncDataAbort, Excp_Generic, Excp_IRQ, Excp_FIQ + }; + excep = v7ARExceptions[ENum]; + } + m_curr_packet.SetException(excep,ENum); + } + + if(m_needCycleCount) + { + int countIdx = m_numAddrBytes + m_numExcepBytes; + uint32_t cycleCount = 0; + extractCycleCount(countIdx,cycleCount); + m_curr_packet.SetCycleCount(cycleCount); + } + m_process_state = SEND_PKT; + } +} + +void TrcPktProcPtm::pktReserved() +{ + m_process_state = SEND_PKT; // no payload +} + +void TrcPktProcPtm::extractCtxtID(int idx, uint32_t &ctxtID) +{ + ctxtID = 0; + int shift = 0; + for(int i=0; i < m_numCtxtIDBytes; i++) + { + if((size_t)idx+i >= m_currPacketData.size()) + throwMalformedPacketErr("Insufficient packet bytes for Context ID value."); + ctxtID |= ((uint32_t)m_currPacketData[idx+i]) << shift; + shift+=8; + } +} + +void TrcPktProcPtm::extractCycleCount(int offset, uint32_t &cycleCount) +{ + bool bCont = true; + cycleCount = 0; + int by_idx = 0; + uint8_t currByte; + int shift = 4; + + while(bCont) + { + if((size_t)by_idx+offset >= m_currPacketData.size()) + throwMalformedPacketErr("Insufficient packet bytes for Cycle Count value."); + + currByte = m_currPacketData[offset+by_idx]; + if(by_idx == 0) + { + bCont = (currByte & 0x40) != 0; + cycleCount = (currByte >> 2) & 0xF; + } + else + { + + bCont = (currByte & 0x80) != 0; + if(by_idx == 4) + bCont = false; + cycleCount |= (((uint32_t)(currByte & 0x7F)) << shift); + shift += 7; + } + by_idx++; + } +} + +int TrcPktProcPtm::extractTS(uint64_t &tsVal,uint8_t &tsUpdateBits) +{ + bool bCont = true; + int tsIdx = 1; // start index; + uint8_t byteVal; + bool b64BitVal = m_config->TSPkt64(); + int shift = 0; + + tsVal = 0; + tsUpdateBits = 0; + + while(bCont) + { + if((size_t)tsIdx >= m_currPacketData.size()) + throwMalformedPacketErr("Insufficient packet bytes for Timestamp value."); + + byteVal = m_currPacketData[tsIdx]; + + if(b64BitVal) + { + if(tsIdx < 9) + { + bCont = ((byteVal & 0x80) == 0x80); + byteVal &= 0x7F; + tsUpdateBits += 7; + } + else + { + bCont = false; + tsUpdateBits += 8; + } + } + else + { + if(tsIdx < 7) + { + bCont = ((byteVal & 0x80) == 0x80); + byteVal &= 0x7F; + tsUpdateBits += 7; + } + else + { + byteVal &=0x3F; + bCont = false; + tsUpdateBits += 6; + } + } + tsVal |= (((uint64_t)byteVal) << shift); + tsIdx++; + shift += 7; + } + return tsIdx; // return next byte index in packet. +} + +uint32_t TrcPktProcPtm::extractAddress(const int offset, uint8_t &total_bits) +{ + // we know the ISA, we can correctly interpret the address. + uint32_t addr_val = 0; + uint8_t mask = 0x7E; // first byte mask (always); + uint8_t num_bits = 0x7; // number of bits in the 1st byte (thumb); + int shift = 0; + int next_shift = 0; + + total_bits = 0; + + for(int i = 0; i < m_numAddrBytes; i++) + { + if(i == 4) + { + // 5th byte mask + mask = 0x0f; // thumb mask; + num_bits = 4; + if(m_addrPktIsa == ocsd_isa_jazelle) + { + mask = 0x1F; + num_bits = 5; + } + else if(m_addrPktIsa == ocsd_isa_arm) + { + mask = 0x07; + num_bits = 3; + } + } + else if(i > 0) + { + mask = 0x7F; + num_bits = 7; + // check for last byte but not 1st or 5th byte mask + if(i == m_numAddrBytes-1) + { + mask = 0x3F; + num_bits = 6; + } + } + + // extract data + shift = next_shift; + addr_val |= ((uint32_t)(m_currPacketData[i+offset] & mask) << shift); + total_bits += num_bits; + + // how much we shift the next value + if(i == 0) + { + if(m_addrPktIsa == ocsd_isa_jazelle) + { + addr_val >>= 1; + next_shift = 6; + total_bits--; // adjust bits for jazelle offset + } + else + { + next_shift = 7; + } + } + else + { + next_shift += 7; + } + } + + if(m_addrPktIsa == ocsd_isa_arm) + { + addr_val <<= 1; // shift one extra bit for ARM address alignment. + total_bits++; + } + return addr_val; +} + + +void TrcPktProcPtm::BuildIPacketTable() +{ + // initialise all to branch, atom or reserved packet header + for(unsigned i = 0; i < 256; i++) + { + // branch address packets all end in 8'bxxxxxxx1 + if((i & 0x01) == 0x01) + { + m_i_table[i].pkt_type = PTM_PKT_BRANCH_ADDRESS; + m_i_table[i].pptkFn = &TrcPktProcPtm::pktBranchAddr; + } + // atom packets are 8'b1xxxxxx0 + else if((i & 0x81) == 0x80) + { + m_i_table[i].pkt_type = PTM_PKT_ATOM; + m_i_table[i].pptkFn = &TrcPktProcPtm::pktAtom; + } + else + { + // set all the others to reserved for now + m_i_table[i].pkt_type = PTM_PKT_RESERVED; + m_i_table[i].pptkFn = &TrcPktProcPtm::pktReserved; + } + } + + // pick out the other packet types by individual codes. + + // A-sync 8'b00000000 + m_i_table[0x00].pkt_type = PTM_PKT_A_SYNC; + m_i_table[0x00].pptkFn = &TrcPktProcPtm::pktASync; + + // I-sync 8'b00001000 + m_i_table[0x08].pkt_type = PTM_PKT_I_SYNC; + m_i_table[0x08].pptkFn = &TrcPktProcPtm::pktISync; + + // waypoint update 8'b01110010 + m_i_table[0x72].pkt_type = PTM_PKT_WPOINT_UPDATE; + m_i_table[0x72].pptkFn = &TrcPktProcPtm::pktWPointUpdate; + + // trigger 8'b00001100 + m_i_table[0x0C].pkt_type = PTM_PKT_TRIGGER; + m_i_table[0x0C].pptkFn = &TrcPktProcPtm::pktTrigger; + + // context ID 8'b01101110 + m_i_table[0x6E].pkt_type = PTM_PKT_CONTEXT_ID; + m_i_table[0x6E].pptkFn = &TrcPktProcPtm::pktCtxtID; + + // VMID 8'b00111100 + m_i_table[0x3C].pkt_type = PTM_PKT_VMID; + m_i_table[0x3C].pptkFn = &TrcPktProcPtm::pktVMID; + + // Timestamp 8'b01000x10 + m_i_table[0x42].pkt_type = PTM_PKT_TIMESTAMP; + m_i_table[0x42].pptkFn = &TrcPktProcPtm::pktTimeStamp; + m_i_table[0x46].pkt_type = PTM_PKT_TIMESTAMP; + m_i_table[0x46].pptkFn = &TrcPktProcPtm::pktTimeStamp; + + // Exception return 8'b01110110 + m_i_table[0x76].pkt_type = PTM_PKT_EXCEPTION_RET; + m_i_table[0x76].pptkFn = &TrcPktProcPtm::pktExceptionRet; + + // Ignore 8'b01100110 + m_i_table[0x66].pkt_type = PTM_PKT_IGNORE; + m_i_table[0x66].pptkFn = &TrcPktProcPtm::pktIgnore; +} + +/* End of File trc_pkt_proc_ptm.cpp */ diff --git a/decoder/source/stm/trc_pkt_decode_stm.cpp b/decoder/source/stm/trc_pkt_decode_stm.cpp new file mode 100644 index 0000000..1bb8d73 --- /dev/null +++ b/decoder/source/stm/trc_pkt_decode_stm.cpp @@ -0,0 +1,303 @@ +/* + * \file trc_pkt_decode_stm.cpp + * \brief OpenCSD : STM packet decoder - output generic SW trace packets. + * + * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/stm/trc_pkt_decode_stm.h" +#define DCD_NAME "DCD_STM" + +TrcPktDecodeStm::TrcPktDecodeStm() + : TrcPktDecodeBase(DCD_NAME) +{ + initDecoder(); +} + +TrcPktDecodeStm::TrcPktDecodeStm(int instIDNum) + : TrcPktDecodeBase(DCD_NAME, instIDNum) +{ + initDecoder(); +} + +TrcPktDecodeStm::~TrcPktDecodeStm() +{ + if(m_payload_buffer) + delete [] m_payload_buffer; + m_payload_buffer = 0; +} + +/* implementation packet decoding interface */ +ocsd_datapath_resp_t TrcPktDecodeStm::processPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bPktDone = false; + + m_decode_pass1 = true; + + while(!bPktDone) + { + switch(m_curr_state) + { + case NO_SYNC: + m_output_elem.setType(OCSD_GEN_TRC_ELEM_NO_SYNC); + m_output_elem.setUnSyncEOTReason(m_unsync_info); + resp = outputTraceElement(m_output_elem); + m_curr_state = WAIT_SYNC; + break; + + case WAIT_SYNC: + if(m_curr_packet_in->getPktType() == STM_PKT_ASYNC) + m_curr_state = DECODE_PKTS; + bPktDone = true; + break; + + case DECODE_PKTS: + resp = decodePacket(bPktDone); + break; + } + } + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeStm::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_output_elem.setType(OCSD_GEN_TRC_ELEM_EO_TRACE); + m_output_elem.setUnSyncEOTReason(UNSYNC_EOT); + resp = outputTraceElement(m_output_elem); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeStm::onReset() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_unsync_info = UNSYNC_RESET_DECODER; + resetDecoder(); + return resp; +} + +ocsd_datapath_resp_t TrcPktDecodeStm::onFlush() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + // don't currently save unsent packets so nothing to flush + return resp; +} + +ocsd_err_t TrcPktDecodeStm::onProtocolConfig() +{ + if(m_config == 0) + return OCSD_ERR_NOT_INIT; + + // static config - copy of CSID for easy reference + m_CSID = m_config->getTraceID(); + return OCSD_OK; +} + +void TrcPktDecodeStm::initDecoder() +{ + m_payload_buffer = 0; + m_num_pkt_correlation = 1; // fixed at single packet payload correlation - add feature later + m_CSID = 0; + + // base decoder state - STM requires no memory and instruction decode. + setUsesMemAccess(false); + setUsesIDecode(false); + m_unsync_info = UNSYNC_INIT_DECODER; + resetDecoder(); +} + +void TrcPktDecodeStm::resetDecoder() +{ + m_curr_state = NO_SYNC; + m_payload_size = 0; + m_payload_used = 0; + m_payload_odd_nibble = false; + m_output_elem.init(); + m_swt_packet_info.swt_flag_bits = 0; // zero out everything + initPayloadBuffer(); +} + +void TrcPktDecodeStm::initPayloadBuffer() +{ + // set up the payload buffer. If we are correlating indentical packets then + // need a buffer that is a multiple of 64bit packets. + // otherwise a single packet length will do. + if(m_payload_buffer) + delete [] m_payload_buffer; + m_payload_buffer = new (std::nothrow) uint8_t[m_num_pkt_correlation * sizeof(uint64_t)]; +} + +ocsd_datapath_resp_t TrcPktDecodeStm::decodePacket(bool &bPktDone) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + bool bSendPacket = false; // flag to indicate output required. + + bPktDone = true; // assume complete unless 2nd pass required. + m_output_elem.setType(OCSD_GEN_TRC_ELEM_SWTRACE); + clearSWTPerPcktInfo(); + + switch (m_curr_packet_in->getPktType()) + { + case STM_PKT_BAD_SEQUENCE: /**< Incorrect protocol sequence */ + case STM_PKT_RESERVED: + resp = OCSD_RESP_FATAL_INVALID_DATA; + m_unsync_info = UNSYNC_BAD_PACKET; + case STM_PKT_NOTSYNC: + resetDecoder(); + break; + + case STM_PKT_VERSION: /**< Version packet - not relevant to generic (versionless) o/p */ + case STM_PKT_ASYNC: /**< Alignment synchronisation packet */ + case STM_PKT_INCOMPLETE_EOT: /**< Incomplete packet flushed at end of trace. */ + // no action required. + break; + +/* markers for valid packets*/ + case STM_PKT_NULL: /**< Null packet */ + if(m_curr_packet_in->isTSPkt()) + bSendPacket = true; // forward NULL packet if associated timestamp. + break; + + case STM_PKT_FREQ: /**< Frequency packet */ + m_swt_packet_info.swt_frequency = 1; + updatePayload(bSendPacket); + break; + + case STM_PKT_TRIG: /**< Trigger event packet. */ + m_swt_packet_info.swt_trigger_event = 1; + updatePayload(bSendPacket); + break; + + case STM_PKT_GERR: /**< Global error packet - protocol error but unknown which master had error */ + m_swt_packet_info.swt_master_id = m_curr_packet_in->getMaster(); + m_swt_packet_info.swt_channel_id = m_curr_packet_in->getChannel(); + m_swt_packet_info.swt_global_err = 1; + m_swt_packet_info.swt_id_valid = 0; + updatePayload(bSendPacket); + break; + + case STM_PKT_MERR: /**< Master error packet - current master detected an error (e.g. dropped trace) */ + m_swt_packet_info.swt_channel_id = m_curr_packet_in->getChannel(); + m_swt_packet_info.swt_master_err = 1; + updatePayload(bSendPacket); + break; + + case STM_PKT_M8: /**< Set current master */ + m_swt_packet_info.swt_master_id = m_curr_packet_in->getMaster(); + m_swt_packet_info.swt_channel_id = m_curr_packet_in->getChannel(); // forced to 0 + m_swt_packet_info.swt_id_valid = 1; + break; + + case STM_PKT_C8: /**< Set lower 8 bits of current channel - packet proc hadnles this */ + case STM_PKT_C16: /**< Set current channel */ + m_swt_packet_info.swt_channel_id = m_curr_packet_in->getChannel(); + break; + + case STM_PKT_FLAG: /**< Flag packet */ + m_swt_packet_info.swt_marker_packet = 1; + bSendPacket = true; // send 0 payload marker packet./ + break; + + + case STM_PKT_D4: /**< 4 bit data payload packet */ + case STM_PKT_D8: /**< 8 bit data payload packet */ + case STM_PKT_D16: /**< 16 bit data payload packet */ + case STM_PKT_D32: /**< 32 bit data payload packet */ + case STM_PKT_D64: /**< 64 bit data payload packet */ + updatePayload(bSendPacket); + break; + + } + + if(bSendPacket) + { + if(m_curr_packet_in->isTSPkt()) + { + m_output_elem.setTS(m_curr_packet_in->getTSVal()); + m_swt_packet_info.swt_has_timestamp = 1; + } + m_output_elem.setSWTInfo(m_swt_packet_info); + resp = outputTraceElement(m_output_elem); + } + + return resp; +} + +void TrcPktDecodeStm::clearSWTPerPcktInfo() +{ + m_swt_packet_info.swt_flag_bits &= (uint32_t)(0x0 | SWT_ID_VALID_MASK); // clear flags and current payload size (save id valid flag). +} + +void TrcPktDecodeStm::updatePayload(bool &bSendPacket) +{ + // without buffering similar packets - this function is quite simple + bSendPacket = true; + m_swt_packet_info.swt_payload_num_packets = 1; + + switch(m_curr_packet_in->getPktType()) + { + case STM_PKT_D4: /**< 4 bit data payload packet */ + m_swt_packet_info.swt_payload_pkt_bitsize = 4; + *(uint8_t *)m_payload_buffer = m_curr_packet_in->getD4Val(); + break; + + case STM_PKT_D8: /**< 8 bit data payload packet */ + case STM_PKT_TRIG: /**< Trigger event packet - 8 bits. */ + case STM_PKT_GERR: /**< error packet - 8 bits. */ + case STM_PKT_MERR: /**< error packet - 8 bits. */ + m_swt_packet_info.swt_payload_pkt_bitsize = 8; + *(uint8_t *)m_payload_buffer = m_curr_packet_in->getD8Val(); + break; + + case STM_PKT_D16: /**< 16 bit data payload packet */ + m_swt_packet_info.swt_payload_pkt_bitsize = 16; + *(uint16_t *)m_payload_buffer = m_curr_packet_in->getD16Val(); + break; + + case STM_PKT_D32: /**< 32 bit data payload packet */ + case STM_PKT_FREQ: /**< Frequency packet */ + m_swt_packet_info.swt_payload_pkt_bitsize = 32; + *(uint32_t *)m_payload_buffer = m_curr_packet_in->getD32Val(); + break; + + + case STM_PKT_D64: /**< 64 bit data payload packet */ + m_swt_packet_info.swt_payload_pkt_bitsize = 64; + *(uint64_t *)m_payload_buffer = m_curr_packet_in->getD64Val(); + break; + } + m_output_elem.setExtendedDataPtr(m_payload_buffer); + if (m_curr_packet_in->isMarkerPkt()) + m_swt_packet_info.swt_marker_packet = 1; + +} + +/* End of File trc_pkt_decode_stm.cpp */ diff --git a/decoder/source/stm/trc_pkt_elem_stm.cpp b/decoder/source/stm/trc_pkt_elem_stm.cpp new file mode 100644 index 0000000..d9adaf6 --- /dev/null +++ b/decoder/source/stm/trc_pkt_elem_stm.cpp @@ -0,0 +1,314 @@ +/* + * \file trc_pkt_elem_stm.cpp + * \brief OpenCSD : STM decode - packet class + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sstream> +#include <iomanip> +#include "opencsd/stm/trc_pkt_elem_stm.h" + +StmTrcPacket::StmTrcPacket() +{ + initStartState(); +} + +StmTrcPacket &StmTrcPacket::operator =(const ocsd_stm_pkt *p_pkt) +{ + *dynamic_cast<ocsd_stm_pkt *>(this) = *p_pkt; + return *this; +} + +void StmTrcPacket::initStartState() +{ + master = 0; + channel = 0; + timestamp = 0; + ts_type = STM_TS_UNKNOWN; + type = STM_PKT_NOTSYNC; + initNextPacket(); +} + +void StmTrcPacket::initNextPacket() +{ + err_type = STM_PKT_NO_ERR_TYPE; + pkt_ts_bits = 0; + pkt_has_marker = 0; + pkt_has_ts = 0; +} + +void StmTrcPacket::setTS(const uint64_t ts_val, const uint8_t updatedBits) +{ + if(updatedBits == 64) + { + timestamp = ts_val; + } + else + { + uint64_t mask = (0x1ULL << updatedBits) - 1; + timestamp &= ~mask; + timestamp |= ts_val & mask; + } + pkt_ts_bits = updatedBits; // mark number of bits + pkt_has_ts = 1; +} + +// printing +void StmTrcPacket::toString(std::string &str) const +{ + std::string name, desc; + std::ostringstream oss; + + pktTypeName(type,name, desc); + str = name + ":" + desc; + + // extended information + switch(type) + { + case STM_PKT_INCOMPLETE_EOT: + case STM_PKT_BAD_SEQUENCE: + pktTypeName(err_type,name, desc); + str+= "[" + name + "]"; + break; + + case STM_PKT_VERSION: + oss << "; Ver=" << (uint16_t)payload.D8; + str+= oss.str(); + break; + + case STM_PKT_FREQ: + oss << "; Freq=" << std::dec << payload.D32 << "Hz"; + str+= oss.str(); + break; + + case STM_PKT_TRIG: + oss << "; TrigData=0x" << std::hex << std::setw(2) << std::setfill('0') << (uint16_t)payload.D8; + str+= oss.str(); + break; + + case STM_PKT_M8: + oss << "; Master=0x" << std::hex << std::setw(2) << std::setfill('0') << (uint16_t)master; + str+= oss.str(); + break; + + case STM_PKT_C8: + case STM_PKT_C16: + oss << "; Chan=0x" << std::hex << std::setw(4) << std::setfill('0') << channel; + str+= oss.str(); + break; + + case STM_PKT_D4: + oss << "; Data=0x" << std::hex << std::setw(1) << (uint16_t)(payload.D8 & 0xF); + str+= oss.str(); + break; + + case STM_PKT_D8: + oss << "; Data=0x" << std::hex << std::setw(2) << std::setfill('0') << (uint16_t)payload.D8; + str+= oss.str(); + break; + + case STM_PKT_D16: + oss << "; Data=0x" << std::hex << std::setw(4) << std::setfill('0') << payload.D16; + str+= oss.str(); + break; + + case STM_PKT_D32: + oss << "; Data=0x" << std::hex << std::setw(8) << std::setfill('0') << payload.D32; + str+= oss.str(); + break; + + case STM_PKT_D64: + oss << "; Data=0x" << std::hex << std::setw(16) << std::setfill('0') << payload.D64; + str+= oss.str(); + break; + } + + if(isTSPkt()) + { + std::string valStr; + trcPrintableElem::getValStr(valStr,64,64,timestamp,true,pkt_ts_bits); + str += "; TS=" + valStr; + } +} + +void StmTrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const +{ + // no formatting for now. + toString(str); +} + +void StmTrcPacket::pktTypeName(const ocsd_stm_pkt_type pkt_type, std::string &name, std::string &desc) const +{ + std::ostringstream oss_name; + std::ostringstream oss_desc; + bool addMarkerTS = false; + + + switch(pkt_type) + { + case STM_PKT_RESERVED: + oss_name << "RESERVED"; + oss_desc << "Reserved Packet Header"; + break; + + case STM_PKT_NOTSYNC: + oss_name << "NOTSYNC"; + oss_desc << "STM not synchronised"; + break; + + case STM_PKT_INCOMPLETE_EOT: + oss_name << "INCOMPLETE_EOT"; + oss_desc << "Incomplete packet flushed at end of trace"; + break; + + case STM_PKT_NO_ERR_TYPE: + oss_name << "NO_ERR_TYPE"; + oss_desc << "Error type not set"; + break; + + case STM_PKT_BAD_SEQUENCE: + oss_name << "BAD_SEQUENCE"; + oss_desc << "Invalid sequence in packet"; + break; + + case STM_PKT_ASYNC: + oss_name << "ASYNC"; + oss_desc << "Alignment synchronisation packet"; + break; + + case STM_PKT_VERSION: + oss_name << "VERSION"; + oss_desc << "Version packet"; + break; + + case STM_PKT_FREQ: + oss_name << "FREQ"; + oss_desc << "Frequency packet"; + break; + + case STM_PKT_NULL: + oss_name << "NULL"; + oss_desc << "Null packet"; + break; + + case STM_PKT_TRIG: + oss_name << "TRIG"; + oss_desc << "Trigger packet"; + addMarkerTS = true; + break; + + case STM_PKT_GERR: + oss_name << "GERR"; + oss_desc << "Global Error"; + break; + + case STM_PKT_MERR: + oss_name << "MERR"; + oss_desc << "Master Error"; + break; + + case STM_PKT_M8: + oss_name << "M8"; + oss_desc << "Set current master"; + break; + + case STM_PKT_C8: + oss_name << "C8"; + oss_desc << "Set current channel"; + break; + + case STM_PKT_C16: + oss_name << "C16"; + oss_desc << "Set current channel"; + break; + + case STM_PKT_FLAG: + oss_name << "FLAG"; + oss_desc << "Flag packet"; + addMarkerTS = true; + break; + + case STM_PKT_D4: + oss_name << "D4"; + oss_desc << "4 bit data"; + addMarkerTS = true; + break; + + case STM_PKT_D8: + oss_name << "D8"; + oss_desc << "8 bit data"; + addMarkerTS = true; + break; + + case STM_PKT_D16: + oss_name << "D16"; + oss_desc << "16 bit data"; + addMarkerTS = true; + break; + + case STM_PKT_D32: + oss_name << "D32"; + oss_desc << "32 bit data"; + addMarkerTS = true; + break; + + case STM_PKT_D64: + oss_name << "D64"; + oss_desc << "64 bit data"; + addMarkerTS = true; + break; + + default: + oss_name << "UNKNOWN"; + oss_desc << "ERROR: unknown packet type"; + break; + } + + if(addMarkerTS) + { + if(isMarkerPkt()) + { + oss_name << "M"; + oss_desc << " + marker"; + } + + if(isTSPkt()) + { + oss_name << "TS"; + oss_desc << " + timestamp"; + } + } + desc = oss_desc.str(); + name = oss_name.str(); +} + + +/* End of File trc_pkt_elem_stm.cpp */ diff --git a/decoder/source/stm/trc_pkt_proc_stm.cpp b/decoder/source/stm/trc_pkt_proc_stm.cpp new file mode 100644 index 0000000..b39a053 --- /dev/null +++ b/decoder/source/stm/trc_pkt_proc_stm.cpp @@ -0,0 +1,1043 @@ +/* + * \file trc_pkt_proc_stm.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opencsd/stm/trc_pkt_proc_stm.h" + + +// processor object construction +// ************************ + +#ifdef __GNUC__ +// G++ doesn't like the ## pasting +#define STM_PKTS_NAME "PKTP_STM" +#else +#define STM_PKTS_NAME OCSD_CMPNAME_PREFIX_PKTPROC##"_STM" +#endif + +static const uint32_t STM_SUPPORTED_OP_FLAGS = OCSD_OPFLG_PKTPROC_COMMON; + +TrcPktProcStm::TrcPktProcStm() : TrcPktProcBase(STM_PKTS_NAME) +{ + initObj(); +} + +TrcPktProcStm::TrcPktProcStm(int instIDNum) : TrcPktProcBase(STM_PKTS_NAME, instIDNum) +{ + initObj(); +} + +TrcPktProcStm::~TrcPktProcStm() +{ + getRawPacketMonAttachPt()->set_notifier(0); +} + +void TrcPktProcStm::initObj() +{ + m_supported_op_flags = STM_SUPPORTED_OP_FLAGS; + initProcessorState(); + getRawPacketMonAttachPt()->set_notifier(&mon_in_use); + buildOpTables(); +} + +// implementation packet processing interface overrides +// ************************ +ocsd_datapath_resp_t TrcPktProcStm::processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + m_p_data_in = pDataBlock; + m_data_in_size = dataBlockSize; + m_data_in_used = 0; + + // while there is data and a continue response on the data path + while( dataToProcess() && OCSD_DATA_RESP_IS_CONT(resp) ) + { + try + { + switch(m_proc_state) + { + case WAIT_SYNC: + waitForSync(index); + break; + + case PROC_HDR: + m_packet_index = index + m_data_in_used; + if(readNibble()) + { + m_proc_state = PROC_DATA; // read the header nibble, next if any has to be data + m_pCurrPktFn = m_1N_ops[m_nibble]; // set packet function and fall through + } + else + break; + + case PROC_DATA: + (this->*m_pCurrPktFn)(); + + // if we have enough to send, fall through, otherwise stop + if(m_proc_state != SEND_PKT) + break; + + case SEND_PKT: + resp = outputPacket(); + break; + } + } + catch(ocsdError &err) + { + LogError(err); + if( ((err.getErrorCode() == OCSD_ERR_BAD_PACKET_SEQ) || + (err.getErrorCode() == OCSD_ERR_INVALID_PCKT_HDR)) && + !(getComponentOpMode() & OCSD_OPFLG_PKTPROC_ERR_BAD_PKTS)) + { + // send invalid packets up the pipe to let the next stage decide what to do. + resp = outputPacket(); + if(getComponentOpMode() & OCSD_OPFLG_PKTPROC_UNSYNC_ON_BAD_PKTS) + m_proc_state = WAIT_SYNC; + } + else + { + // bail out on any other error. + resp = OCSD_RESP_FATAL_INVALID_DATA; + } + } + catch(...) + { + /// vv bad at this point. + resp = OCSD_RESP_FATAL_SYS_ERR; + ocsdError fatal = ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_FAIL,m_packet_index,m_config->getTraceID()); + fatal.setMessage("Unknown System Error decoding trace."); + LogError(fatal); + } + } + + *numBytesProcessed = m_data_in_used; + return resp; + +} + +ocsd_datapath_resp_t TrcPktProcStm::onEOT() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + if(m_num_nibbles > 0) // there is a partial packet in flight + { + m_curr_packet.updateErrType(STM_PKT_INCOMPLETE_EOT); // re mark as incomplete + resp = outputPacket(); + } + return resp; +} + +ocsd_datapath_resp_t TrcPktProcStm::onReset() +{ + initProcessorState(); + return OCSD_RESP_CONT; +} + +ocsd_datapath_resp_t TrcPktProcStm::onFlush() +{ + // packet processor never holds on to flushable data (may have partial packet, + // but any full packets are immediately sent) + return OCSD_RESP_CONT; +} + +ocsd_err_t TrcPktProcStm::onProtocolConfig() +{ + return OCSD_OK; // nothing to do on config for this processor +} + +const bool TrcPktProcStm::isBadPacket() const +{ + return m_curr_packet.isBadPacket(); +} + +ocsd_datapath_resp_t TrcPktProcStm::outputPacket() +{ + ocsd_datapath_resp_t resp = OCSD_RESP_CONT; + resp = outputOnAllInterfaces(m_packet_index,&m_curr_packet,&m_curr_packet.type,m_packet_data); + m_packet_data.clear(); + initNextPacket(); + if(m_nibble_2nd_valid) + savePacketByte(m_nibble_2nd << 4); // put the unused nibble back on to the data stack and pad for output next time. + m_proc_state = m_bStreamSync ? PROC_HDR : WAIT_SYNC; + return resp; +} + +void TrcPktProcStm::throwBadSequenceError(const char *pszMessage /*= ""*/) +{ + m_curr_packet.updateErrType(STM_PKT_BAD_SEQUENCE); + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_packet_index,this->m_config->getTraceID(),pszMessage); +} + +void TrcPktProcStm::throwReservedHdrError(const char *pszMessage /*= ""*/) +{ + m_curr_packet.setPacketType(STM_PKT_RESERVED,false); + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_INVALID_PCKT_HDR,m_packet_index,this->m_config->getTraceID(),pszMessage); +} + +// processor / packet init +// ************************ + +void TrcPktProcStm::initProcessorState() +{ + // clear any state that persists between packets + setProcUnsynced(); + clearSyncCount(); + m_curr_packet.initStartState(); + m_nibble_2nd_valid = false; + initNextPacket(); + m_bWaitSyncSaveSuppressed = false; + + m_packet_data.clear(); +} + +void TrcPktProcStm::initNextPacket() +{ + // clear state that is unique to each packet + m_bNeedsTS = false; + m_bIsMarker = false; + m_num_nibbles = 0; + m_num_data_nibbles = 0; + m_curr_packet.initNextPacket(); +} + +// search remaining buffer for a start of sync or full sync packet +void TrcPktProcStm::waitForSync(const ocsd_trc_index_t blk_st_index) +{ + bool bGotData = true; + uint32_t start_offset = m_data_in_used; // record the offset into the buffer at start of this fn. + + // input conditions: + // out of sync - either at start of input stream, or due to bad packet. + // m_data_in_used -> bytes already processed + // m_sync_start -> seen potential start of sync in current stream + + // set a packet index for the start of the data + m_packet_index = blk_st_index + m_data_in_used; + m_num_nibbles = m_is_sync ? m_num_F_nibbles + 1 : m_num_F_nibbles; // sending unsync data may have cleared down num_nibbles. + + m_bWaitSyncSaveSuppressed = true; // no need to save bytes until we want to send data. + + while(bGotData && !m_is_sync) + { + bGotData = readNibble(); // read until we have a sync or run out of data + } + + m_bWaitSyncSaveSuppressed = false; + + // no data from first attempt to read + if(m_num_nibbles == 0) + return; + + // we have found a sync or run out of data + // five possible scenarios + // a) all data none sync data. + // b) some none sync data + start of sync sequence + // c) some none sync data + full sync sequence in this frame + // d) full sync sequence @ start of this frame followed by ??? + // e) completion of sync sequence in this frame (from b)). + + if(!bGotData || m_num_nibbles > 22) + { + // for a), b), c) send the none sync data then re-enter + // if out of data, or sync with some previous data, this is sent as unsynced. + + m_curr_packet.setPacketType(STM_PKT_NOTSYNC,false); + if(mon_in_use.usingMonitor()) + { + uint8_t nibbles_to_send = m_num_nibbles - (m_is_sync ? 22 : m_num_F_nibbles); + uint8_t bytes_to_send = (nibbles_to_send / 2) + (nibbles_to_send % 2); + for(uint8_t i = 0; i < bytes_to_send; i++) + savePacketByte(m_p_data_in[start_offset+i]); + } + + // if we have found a sync then we will re-enter this function with no pre data, + // but the found flags set. + } + else + { + // send the async packet + m_curr_packet.setPacketType(STM_PKT_ASYNC,false); + m_bStreamSync = true; // mark the stream as synchronised + clearSyncCount(); + m_packet_index = m_sync_index; + if(mon_in_use.usingMonitor()) + { + // we may not have the full sync packet still in the local buffer so synthesise it. + for(int i = 0; i < 10; i++) + savePacketByte(0xFF); + savePacketByte(0x0F); + } + } + sendPacket(); // mark packet for sending +} + +// packet processing routines +// ************************ +// 1 nibble opcodes +void TrcPktProcStm::stmPktReserved() +{ + uint16_t bad_opcode = (uint16_t)m_nibble; + m_curr_packet.setD16Payload(bad_opcode); + throwReservedHdrError("STM: Unsupported or Reserved STPv2 Header"); +} + +void TrcPktProcStm::stmPktNull() +{ + m_curr_packet.setPacketType(STM_PKT_NULL,false); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } +} + +void TrcPktProcStm::stmPktNullTS() +{ + pktNeedsTS(); + m_pCurrPktFn = &TrcPktProcStm::stmPktNull; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktM8() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + m_curr_packet.setPacketType(STM_PKT_M8,false); + + stmExtractVal8(3); + if(m_num_nibbles == 3) + { + m_curr_packet.setMaster(m_val8); + sendPacket(); + } +} + +void TrcPktProcStm::stmPktMERR() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + m_curr_packet.setPacketType(STM_PKT_MERR,false); + + stmExtractVal8(3); + if(m_num_nibbles == 3) + { + m_curr_packet.setChannel(0,false); // MERR resets channel for current master to 0. + m_curr_packet.setD8Payload(m_val8); + sendPacket(); + } + +} + +void TrcPktProcStm::stmPktC8() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + m_curr_packet.setPacketType(STM_PKT_C8,false); + stmExtractVal8(3); + if(m_num_nibbles == 3) + { + m_curr_packet.setChannel((uint16_t)m_val8,true); + sendPacket(); + } +} + +void TrcPktProcStm::stmPktD4() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + { + m_curr_packet.setPacketType(STM_PKT_D4,m_bIsMarker); + m_num_data_nibbles = 2; // need 2 nibbles to complete data + } + + if(m_num_nibbles != m_num_data_nibbles) + { + if(readNibble()) + { + m_curr_packet.setD4Payload(m_nibble); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktD8() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + { + m_curr_packet.setPacketType(STM_PKT_D8,m_bIsMarker); + m_num_data_nibbles = 3; // need 3 nibbles in total to complete data + } + + stmExtractVal8(m_num_data_nibbles); + if(m_num_nibbles == m_num_data_nibbles) + { + m_curr_packet.setD8Payload(m_val8); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktD16() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + { + m_curr_packet.setPacketType(STM_PKT_D16,m_bIsMarker); + m_num_data_nibbles = 5; + } + + stmExtractVal16(m_num_data_nibbles); + if(m_num_nibbles == m_num_data_nibbles) + { + m_curr_packet.setD16Payload(m_val16); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktD32() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + { + m_curr_packet.setPacketType(STM_PKT_D32,m_bIsMarker); + m_num_data_nibbles = 9; + } + + stmExtractVal32(m_num_data_nibbles); + if(m_num_nibbles == m_num_data_nibbles) + { + m_curr_packet.setD32Payload(m_val32); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktD64() +{ + if(m_num_nibbles == 1) // 1st nibble - header - set type + { + m_curr_packet.setPacketType(STM_PKT_D64,m_bIsMarker); + m_num_data_nibbles = 17; + } + + stmExtractVal64(m_num_data_nibbles); + if(m_num_nibbles == m_num_data_nibbles) + { + m_curr_packet.setD64Payload(m_val64); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktD4MTS() +{ + pktNeedsTS(); + m_bIsMarker = true; + m_pCurrPktFn = &TrcPktProcStm::stmPktD4; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD8MTS() +{ + pktNeedsTS(); + m_bIsMarker = true; + m_pCurrPktFn = &TrcPktProcStm::stmPktD8; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD16MTS() +{ + pktNeedsTS(); + m_bIsMarker = true; + m_pCurrPktFn = &TrcPktProcStm::stmPktD16; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD32MTS() +{ + pktNeedsTS(); + m_bIsMarker = true; + m_pCurrPktFn = &TrcPktProcStm::stmPktD32; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD64MTS() +{ + pktNeedsTS(); + m_bIsMarker = true; + m_pCurrPktFn = &TrcPktProcStm::stmPktD64; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktFlagTS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_FLAG,false); + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktFExt() +{ + // no type, look at the next nibble + if(readNibble()) + { + // switch in 2N function + m_pCurrPktFn = m_2N_ops[m_nibble]; + (this->*m_pCurrPktFn)(); + } +} + +// ************************ +// 2 nibble opcodes 0xFn +void TrcPktProcStm::stmPktReservedFn() +{ + uint16_t bad_opcode = 0x00F; + bad_opcode |= ((uint16_t)m_nibble) << 4; + m_curr_packet.setD16Payload(bad_opcode); + throwReservedHdrError("STM: Unsupported or Reserved STPv2 Header"); +} + +void TrcPktProcStm::stmPktF0Ext() +{ + // no type yet, look at the next nibble + if(readNibble()) + { + // switch in 3N function + m_pCurrPktFn = m_3N_ops[m_nibble]; + (this->*m_pCurrPktFn)(); + } +} + +void TrcPktProcStm::stmPktGERR() +{ + if(m_num_nibbles == 2) // 2nd nibble - header - set type + m_curr_packet.setPacketType(STM_PKT_GERR,false); + stmExtractVal8(4); + if(m_num_nibbles == 4) + { + m_curr_packet.setD8Payload(m_val8); + m_curr_packet.setMaster(0); // GERR sets current master to 0. + sendPacket(); + } +} + +void TrcPktProcStm::stmPktC16() +{ + if(m_num_nibbles == 2) // 2nd nibble - header - set type + m_curr_packet.setPacketType(STM_PKT_C16,false); + stmExtractVal16(6); + if(m_num_nibbles == 6) + { + m_curr_packet.setChannel(m_val16,false); + sendPacket(); + } +} + +void TrcPktProcStm::stmPktD4TS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_D4,false); // 2nd nibble, set type here + m_num_data_nibbles = 3; // one more nibble for data + m_pCurrPktFn = &TrcPktProcStm::stmPktD4; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD8TS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_D8,false); // 2nd nibble, set type here + m_num_data_nibbles = 4; + m_pCurrPktFn = &TrcPktProcStm::stmPktD8; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD16TS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_D16,false); // 2nd nibble, set type here + m_num_data_nibbles = 6; + m_pCurrPktFn = &TrcPktProcStm::stmPktD16; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD32TS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_D32,false); // 2nd nibble, set type here + m_num_data_nibbles = 10; + m_pCurrPktFn = &TrcPktProcStm::stmPktD32; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD64TS() +{ + pktNeedsTS(); + m_curr_packet.setPacketType(STM_PKT_D64,false); // 2nd nibble, set type here + m_num_data_nibbles = 18; + m_pCurrPktFn = &TrcPktProcStm::stmPktD64; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD4M() +{ + m_curr_packet.setPacketType(STM_PKT_D4,true); // 2nd nibble, set type here + m_num_data_nibbles = 3; // one more nibble for data + m_pCurrPktFn = &TrcPktProcStm::stmPktD4; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD8M() +{ + m_curr_packet.setPacketType(STM_PKT_D8,true); // 2nd nibble, set type here + m_num_data_nibbles = 4; + m_pCurrPktFn = &TrcPktProcStm::stmPktD8; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD16M() +{ + m_curr_packet.setPacketType(STM_PKT_D16,true); + m_num_data_nibbles = 6; + m_pCurrPktFn = &TrcPktProcStm::stmPktD16; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD32M() +{ + m_curr_packet.setPacketType(STM_PKT_D32,true); + m_num_data_nibbles = 10; + m_pCurrPktFn = &TrcPktProcStm::stmPktD32; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktD64M() +{ + m_curr_packet.setPacketType(STM_PKT_D64,true); + m_num_data_nibbles = 18; + m_pCurrPktFn = &TrcPktProcStm::stmPktD64; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktFlag() +{ + m_curr_packet.setPacketType(STM_PKT_FLAG,false); + sendPacket(); +} + +// ************************ +// 3 nibble opcodes 0xF0n +void TrcPktProcStm::stmPktReservedF0n() +{ + uint16_t bad_opcode = 0x00F; + bad_opcode |= ((uint16_t)m_nibble) << 8; + m_curr_packet.setD16Payload(bad_opcode); + throwReservedHdrError("STM: Unsupported or Reserved STPv2 Header"); +} + +void TrcPktProcStm::stmPktVersion() +{ + if(m_num_nibbles == 3) + m_curr_packet.setPacketType(STM_PKT_VERSION,false); + + if(readNibble()) + { + m_curr_packet.setD8Payload(m_nibble); // record the version number + switch(m_nibble) + { + case 3: + m_curr_packet.onVersionPkt(STM_TS_NATBINARY); break; + case 4: + m_curr_packet.onVersionPkt(STM_TS_GREY); break; + default: + // not a version we support. + throwBadSequenceError("STM VERSION packet : unrecognised version number."); + } + sendPacket(); + } +} + +void TrcPktProcStm::stmPktTrigger() +{ + if(m_num_nibbles == 3) + m_curr_packet.setPacketType(STM_PKT_TRIG,false); + stmExtractVal8(5); + if(m_num_nibbles == 5) + { + m_curr_packet.setD8Payload(m_val8); + if(m_bNeedsTS) + { + m_pCurrPktFn = &TrcPktProcStm::stmExtractTS; + (this->*m_pCurrPktFn)(); + } + else + { + sendPacket(); + } + } +} + +void TrcPktProcStm::stmPktTriggerTS() +{ + pktNeedsTS(); + m_pCurrPktFn = &TrcPktProcStm::stmPktTrigger; + (this->*m_pCurrPktFn)(); +} + +void TrcPktProcStm::stmPktFreq() +{ + if(m_num_nibbles == 3) + { + m_curr_packet.setPacketType(STM_PKT_FREQ,false); + m_val32 = 0; + } + stmExtractVal32(11); + if(m_num_nibbles == 11) + { + m_curr_packet.setD32Payload(m_val32); + sendPacket(); + } +} + +void TrcPktProcStm::stmPktASync() +{ + // 2 nibbles - 0xFF - must be an async or error. + bool bCont = true; + while(bCont) + { + bCont = readNibble(); + if(bCont) + { + if(m_is_sync) + { + bCont = false; // stop reading nibbles + m_bStreamSync = true; // mark stream in sync + m_curr_packet.setPacketType(STM_PKT_ASYNC,false); + clearSyncCount(); + sendPacket(); + } + else if(!m_sync_start) // no longer valid sync packet + { + throwBadSequenceError("STM: Invalid ASYNC sequence"); + } + } + } +} + +// ************************ +// general data processing + +// return false if no more data +// in an STM byte, 3:0 is 1st nibble in protocol order, 7:4 is 2nd nibble. +bool TrcPktProcStm::readNibble() +{ + bool dataFound = true; + if(m_nibble_2nd_valid) + { + m_nibble = m_nibble_2nd; + m_nibble_2nd_valid = false; + m_num_nibbles++; + checkSyncNibble(); + } + else if(m_data_in_used < m_data_in_size ) + { + m_nibble = m_p_data_in[m_data_in_used++]; + savePacketByte(m_nibble); + m_nibble_2nd = (m_nibble >> 4) & 0xF; + m_nibble_2nd_valid = true; + m_nibble &= 0xF; + m_num_nibbles++; + checkSyncNibble(); + } + else + dataFound = false; // no data available + return dataFound; +} + +void TrcPktProcStm::pktNeedsTS() +{ + m_bNeedsTS = true; + m_req_ts_nibbles = 0; + m_curr_ts_nibbles = 0; + m_ts_update_value = 0; + m_ts_req_set = false; +} + +void TrcPktProcStm::stmExtractTS() +{ + if(!m_ts_req_set) + { + if(readNibble()) + { + m_req_ts_nibbles = m_nibble; + if(m_nibble == 0xD) + m_req_ts_nibbles = 14; + else if(m_nibble == 0xE) + m_req_ts_nibbles = 16; + + if(m_nibble == 0xF) + throwBadSequenceError("STM: Invalid timestamp size 0xF"); + m_ts_req_set = true; + } + } + + if(m_ts_req_set) + { + // if we do not have all the nibbles for the TS, get some... + if(m_req_ts_nibbles != m_curr_ts_nibbles) + { + // extract the correct amount of nibbles for the ts value. + bool bCont = true; + while(bCont && (m_curr_ts_nibbles < m_req_ts_nibbles)) + { + bCont = readNibble(); + if(bCont) + { + m_ts_update_value <<= 4; + m_ts_update_value |= m_nibble; + m_curr_ts_nibbles++; + } + } + } + + // at this point we have the correct amount of nibbles, or have run out of data to process. + if(m_req_ts_nibbles == m_curr_ts_nibbles) + { + uint8_t new_bits = m_req_ts_nibbles * 4; + if(m_curr_packet.getTSType() == STM_TS_GREY) + { + uint64_t gray_val = bin_to_gray(m_curr_packet.getTSVal()); + if(new_bits == 64) + { + gray_val = m_ts_update_value; + } + else + { + uint64_t mask = (0x1ULL << new_bits) - 1; + gray_val &= ~mask; + gray_val |= m_ts_update_value & mask; + } + m_curr_packet.setTS(gray_to_bin(gray_val),new_bits); + } + else if(m_curr_packet.getTSType() == STM_TS_NATBINARY) + { + m_curr_packet.setTS(m_ts_update_value, new_bits); + } + else + throwBadSequenceError("STM: unknown timestamp encoding"); + + sendPacket(); + } + } +} + +// pass in number of nibbles needed to extract the value +void TrcPktProcStm::stmExtractVal8(uint8_t nibbles_to_val) +{ + bool bCont = true; + while(bCont && (m_num_nibbles < nibbles_to_val)) + { + bCont = readNibble(); + if(bCont) // got a nibble + { + m_val8 <<= 4; + m_val8 |= m_nibble; + } + } +} + +void TrcPktProcStm::stmExtractVal16(uint8_t nibbles_to_val) +{ + bool bCont = true; + while(bCont && (m_num_nibbles < nibbles_to_val)) + { + bCont = readNibble(); + if(bCont) // got a nibble + { + m_val16 <<= 4; + m_val16 |= m_nibble; + } + } +} + +void TrcPktProcStm::stmExtractVal32(uint8_t nibbles_to_val) +{ + bool bCont = true; + while(bCont && (m_num_nibbles < nibbles_to_val)) + { + bCont = readNibble(); + if(bCont) // got a nibble + { + m_val32 <<= 4; + m_val32 |= m_nibble; + } + } +} + +void TrcPktProcStm::stmExtractVal64(uint8_t nibbles_to_val) +{ + bool bCont = true; + while(bCont && (m_num_nibbles < nibbles_to_val)) + { + bCont = readNibble(); + if(bCont) // got a nibble + { + m_val64 <<= 4; + m_val64 |= m_nibble; + } + } +} + +uint64_t TrcPktProcStm::bin_to_gray(uint64_t bin_value) +{ + uint64_t gray_value = 0; + gray_value = (1ull << 63) & bin_value; + int i = 62; + for (; i >= 0; i--) { + uint64_t gray_arg_1 = ((1ull << (i+1)) & bin_value) >> (i+1); + uint64_t gray_arg_2 = ((1ull << i) & bin_value) >> i; + gray_value |= ((gray_arg_1 ^ gray_arg_2) << i); + } + return gray_value; +} + +uint64_t TrcPktProcStm::gray_to_bin(uint64_t gray_value) +{ + uint64_t bin_value = 0; + int bin_bit = 0; + for (; bin_bit < 64; bin_bit++) { + uint8_t bit_tmp = ((1ull << bin_bit) & gray_value) >> bin_bit; + uint8_t gray_bit = bin_bit + 1; + for (; gray_bit < 64; gray_bit++) + bit_tmp ^= (((1ull << gray_bit) & gray_value) >> gray_bit); + + bin_value |= (bit_tmp << bin_bit); + } + + return bin_value; +} + + +void TrcPktProcStm::buildOpTables() +{ + // init all reserved + for(int i = 0; i < 0x10; i++) + { + m_1N_ops[i] = &TrcPktProcStm::stmPktReserved; + m_2N_ops[i] = &TrcPktProcStm::stmPktReservedFn; + m_3N_ops[i] = &TrcPktProcStm::stmPktReservedF0n; + } + + // set the 1N operations + m_1N_ops[0x0] = &TrcPktProcStm::stmPktNull; + m_1N_ops[0x1] = &TrcPktProcStm::stmPktM8; + m_1N_ops[0x2] = &TrcPktProcStm::stmPktMERR; + m_1N_ops[0x3] = &TrcPktProcStm::stmPktC8; + m_1N_ops[0x4] = &TrcPktProcStm::stmPktD8; + m_1N_ops[0x5] = &TrcPktProcStm::stmPktD16; + m_1N_ops[0x6] = &TrcPktProcStm::stmPktD32; + m_1N_ops[0x7] = &TrcPktProcStm::stmPktD64; + m_1N_ops[0x8] = &TrcPktProcStm::stmPktD8MTS; + m_1N_ops[0x9] = &TrcPktProcStm::stmPktD16MTS; + m_1N_ops[0xA] = &TrcPktProcStm::stmPktD32MTS; + m_1N_ops[0xB] = &TrcPktProcStm::stmPktD64MTS; + m_1N_ops[0xC] = &TrcPktProcStm::stmPktD4; + m_1N_ops[0xD] = &TrcPktProcStm::stmPktD4MTS; + m_1N_ops[0xE] = &TrcPktProcStm::stmPktFlagTS; + m_1N_ops[0xF] = &TrcPktProcStm::stmPktFExt; + + // set the 2N operations 0xFn + m_2N_ops[0x0] = &TrcPktProcStm::stmPktF0Ext; + // 0x1 unused in CS STM + m_2N_ops[0x2] = &TrcPktProcStm::stmPktGERR; + m_2N_ops[0x3] = &TrcPktProcStm::stmPktC16; + m_2N_ops[0x4] = &TrcPktProcStm::stmPktD8TS; + m_2N_ops[0x5] = &TrcPktProcStm::stmPktD16TS; + m_2N_ops[0x6] = &TrcPktProcStm::stmPktD32TS; + m_2N_ops[0x7] = &TrcPktProcStm::stmPktD64TS; + m_2N_ops[0x8] = &TrcPktProcStm::stmPktD8M; + m_2N_ops[0x9] = &TrcPktProcStm::stmPktD16M; + m_2N_ops[0xA] = &TrcPktProcStm::stmPktD32M; + m_2N_ops[0xB] = &TrcPktProcStm::stmPktD64M; + m_2N_ops[0xC] = &TrcPktProcStm::stmPktD4TS; + m_2N_ops[0xD] = &TrcPktProcStm::stmPktD4M; + m_2N_ops[0xE] = &TrcPktProcStm::stmPktFlag; + m_2N_ops[0xF] = &TrcPktProcStm::stmPktASync; + + // set the 3N operations 0xF0n + m_3N_ops[0x0] = &TrcPktProcStm::stmPktVersion; + m_3N_ops[0x1] = &TrcPktProcStm::stmPktNullTS; + // 0x2 .. 0x5 not used by CS STM + m_3N_ops[0x6] = &TrcPktProcStm::stmPktTrigger; + m_3N_ops[0x7] = &TrcPktProcStm::stmPktTriggerTS; + m_3N_ops[0x8] = &TrcPktProcStm::stmPktFreq; + // 0x9 .. 0xF not used by CS STM + +} + +/* End of File trc_pkt_proc_stm.cpp */ diff --git a/decoder/source/trc_component.cpp b/decoder/source/trc_component.cpp new file mode 100644 index 0000000..dae92d4 --- /dev/null +++ b/decoder/source/trc_component.cpp @@ -0,0 +1,155 @@ +/* + * \file trc_component.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/trc_component.h" + +class errLogAttachMonitor : public IComponentAttachNotifier +{ +public: + errLogAttachMonitor() + { + m_pComp = 0; + }; + virtual ~ errLogAttachMonitor() + { + if (m_pComp) + m_pComp->getErrorLogAttachPt()->set_notifier(0); + m_pComp = 0; + + }; + virtual void attachNotify(const int num_attached) + { + if(m_pComp) + m_pComp->do_attach_notify(num_attached); + } + void Init(TraceComponent *pComp) + { + m_pComp = pComp; + if(m_pComp) + m_pComp->getErrorLogAttachPt()->set_notifier(this); + } +private: + TraceComponent *m_pComp; +}; + +TraceComponent::TraceComponent(const std::string &name) +{ + Init(name); +} + +TraceComponent::TraceComponent(const std::string &name, int instIDNum) +{ + std::string name_combined = name; + char num_buffer[32]; + sprintf(num_buffer,"_%04d",instIDNum); + name_combined += (std::string)num_buffer; + Init(name_combined); +} + +TraceComponent::~TraceComponent() +{ + if (m_pErrAttachMon) + delete m_pErrAttachMon; +} + +void TraceComponent::Init(const std::string &name) +{ + m_errLogHandle = OCSD_INVALID_HANDLE; + m_errVerbosity = OCSD_ERR_SEV_NONE; + m_name = name; + + m_supported_op_flags = 0; + m_op_flags = 0; + m_assocComp = 0; + + m_pErrAttachMon = new (std::nothrow) errLogAttachMonitor(); + if(m_pErrAttachMon) + m_pErrAttachMon->Init(this); +} + +void TraceComponent::LogError(const ocsdError &Error) +{ + if((m_errLogHandle != OCSD_INVALID_HANDLE) && + isLoggingErrorLevel(Error.getErrorSeverity())) + { + // ensure we have not disabled the attachPt + if(m_error_logger.first()) + m_error_logger.first()->LogError(m_errLogHandle,&Error); + } +} + +void TraceComponent::LogMessage(const ocsd_err_severity_t filter_level, const std::string &msg) +{ + if ((m_errLogHandle != OCSD_INVALID_HANDLE) && + isLoggingErrorLevel(filter_level)) + { + // ensure we have not disabled the attachPt + if (m_error_logger.first()) + m_error_logger.first()->LogMessage(this->m_errLogHandle, filter_level, msg); + } + +} + +void TraceComponent::do_attach_notify(const int num_attached) +{ + if(num_attached) + { + // ensure we have not disabled the attachPt + if(m_error_logger.first()) + { + m_errLogHandle = m_error_logger.first()->RegisterErrorSource(m_name); + m_errVerbosity = m_error_logger.first()->GetErrorLogVerbosity(); + } + } + else + { + m_errLogHandle = OCSD_INVALID_HANDLE; + } +} + +void TraceComponent::updateErrorLogLevel() +{ + if(m_error_logger.first()) + { + m_errVerbosity = m_error_logger.first()->GetErrorLogVerbosity(); + } +} + +ocsd_err_t TraceComponent::setComponentOpMode(uint32_t op_flags) +{ + m_op_flags = op_flags & m_supported_op_flags; + return OCSD_OK; +} + +/* End of File trc_component.cpp */ diff --git a/decoder/source/trc_core_arch_map.cpp b/decoder/source/trc_core_arch_map.cpp new file mode 100644 index 0000000..f25ab1e --- /dev/null +++ b/decoder/source/trc_core_arch_map.cpp @@ -0,0 +1,177 @@ +/* + * \file trc_core_arch_map.cpp + * \brief OpenCSD : Map core names to architecture profiles + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/trc_core_arch_map.h" + +typedef struct _ap_map_elements { + const char *name; + ocsd_arch_profile_t ap; +} ap_map_elem_t; + +static ap_map_elem_t ap_map_array[] = +{ + { "Cortex-A77", { ARCH_V8r3, profile_CortexA } }, + { "Cortex-A76", { ARCH_V8r3, profile_CortexA } }, + { "Cortex-A75", { ARCH_V8r3, profile_CortexA } }, + { "Cortex-A73", { ARCH_V8, profile_CortexA } }, + { "Cortex-A72", { ARCH_V8, profile_CortexA } }, + { "Cortex-A65", { ARCH_V8r3, profile_CortexA } }, + { "Cortex-A57", { ARCH_V8, profile_CortexA } }, + { "Cortex-A55", { ARCH_V8r3, profile_CortexA } }, + { "Cortex-A53", { ARCH_V8, profile_CortexA } }, + { "Cortex-A35", { ARCH_V8, profile_CortexA } }, + { "Cortex-A32", { ARCH_V8, profile_CortexA } }, + { "Cortex-A17", { ARCH_V7, profile_CortexA } }, + { "Cortex-A15", { ARCH_V7, profile_CortexA } }, + { "Cortex-A12", { ARCH_V7, profile_CortexA } }, + { "Cortex-A9", { ARCH_V7, profile_CortexA } }, + { "Cortex-A8", { ARCH_V7, profile_CortexA } }, + { "Cortex-A7", { ARCH_V7, profile_CortexA } }, + { "Cortex-A5", { ARCH_V7, profile_CortexA } }, + { "Cortex-R52", { ARCH_V8, profile_CortexR } }, + { "Cortex-R8", { ARCH_V7, profile_CortexR } }, + { "Cortex-R7", { ARCH_V7, profile_CortexR } }, + { "Cortex-R5", { ARCH_V7, profile_CortexR } }, + { "Cortex-R4", { ARCH_V7, profile_CortexR } }, + { "Cortex-M33", { ARCH_V8, profile_CortexM } }, + { "Cortex-M23", { ARCH_V8, profile_CortexM } }, + { "Cortex-M0", { ARCH_V7, profile_CortexM } }, + { "Cortex-M0+", { ARCH_V7, profile_CortexM } }, + { "Cortex-M3", { ARCH_V7, profile_CortexM } }, + { "Cortex-M4", { ARCH_V7, profile_CortexM } } +}; + +CoreArchProfileMap::CoreArchProfileMap() +{ + unsigned i; + for (i = 0; i < sizeof(ap_map_array) / sizeof(_ap_map_elements); i++) + { + core_profiles[ap_map_array[i].name] = ap_map_array[i].ap; + } +} + +ocsd_arch_profile_t CoreArchProfileMap::getArchProfile(const std::string &coreName) +{ + ocsd_arch_profile_t ap = { ARCH_UNKNOWN, profile_Unknown }; + bool bFound = false; + + std::map<std::string, ocsd_arch_profile_t>::const_iterator it; + + /* match against the core name map. */ + it = core_profiles.find(coreName); + if (it != core_profiles.end()) + { + ap = it->second; + bFound = true; + } + + /* try a pattern match on core name - pick up ARMvM[.m]-P and ARM-{aa|AA}64[-P] */ + if (!bFound) + ap = getPatternMatchCoreName(coreName); + + return ap; +} +ocsd_arch_profile_t CoreArchProfileMap::getPatternMatchCoreName(const std::string &coreName) +{ + ocsd_arch_profile_t ap = { ARCH_UNKNOWN, profile_Unknown }; + size_t pos; + + /* look for ARMvM[.m]-P */ + pos = coreName.find("ARMv"); + if (pos == 0) + { + int majver = coreName[4] - '0'; + int minver = 0; + int dotoffset = 0; + + pos = coreName.find_first_of("."); + if (pos == 5) { + minver = coreName[6] - '0'; + dotoffset = 2; + } + else if (pos != std::string::npos) + return ap; + + if (majver == 7) + ap.arch = ARCH_V7; + else if (majver >= 8) { + ap.arch = ARCH_AA64; /* default to 8.3+*/ + if (majver == 8) { + if (minver < 3) + ap.arch = ARCH_V8; + else if (minver == 3) + ap.arch = ARCH_V8r3; + } + } + else + return ap; /* no valid version - return unknown */ + + if (coreName.find_first_of("-", 4) == (size_t)(5 + dotoffset)) { + int profile_idx = 6 + dotoffset; + if (coreName[profile_idx] == 'A') + ap.profile = profile_CortexA; + else if (coreName[profile_idx] == 'R') + ap.profile = profile_CortexR; + else if (coreName[profile_idx] == 'M') + ap.profile = profile_CortexM; + else + ap.arch = ARCH_UNKNOWN; /*reset arch, return unknown*/ + } + else + ap.arch = ARCH_UNKNOWN; /*reset arch, return unknown*/ + return ap; + } + + /* look for ARM-{AA|aa}64[-P] */ + pos = coreName.find("ARM-"); + if (pos == 0) + { + pos = coreName.find("aa64"); + if (pos != 4) + pos = coreName.find("AA64"); + if (pos == 4) + { + ap.arch = ARCH_AA64; + ap.profile = profile_CortexA; + if (coreName.find_first_of("-", 7) == 8) { + if (coreName[9] == 'R') + ap.profile = profile_CortexR; + else if (coreName[9] == 'M') + ap.profile = profile_CortexM; + } + } + } + return ap; +} +/* End of File trc_core_arch_map.cpp */ diff --git a/decoder/source/trc_frame_deformatter.cpp b/decoder/source/trc_frame_deformatter.cpp new file mode 100644 index 0000000..3b2aead --- /dev/null +++ b/decoder/source/trc_frame_deformatter.cpp @@ -0,0 +1,970 @@ +/* + * \file trc_frame_deformatter.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <cstring> + +#include "common/trc_frame_deformatter.h" +#include "trc_frame_deformatter_impl.h" + +/***************************************************************/ +/* Implementation */ +/***************************************************************/ + +#ifdef __GNUC__ +// G++ doesn't like the ## pasting +#define DEFORMATTER_NAME "DFMT_CSFRAMES" +#else +// VC is fine +#define DEFORMATTER_NAME OCSD_CMPNAME_PREFIX_FRAMEDEFORMATTER##"_CSFRAMES" +#endif + +TraceFmtDcdImpl::TraceFmtDcdImpl() : TraceComponent(DEFORMATTER_NAME), + m_cfgFlags(0), + m_force_sync_idx(0), + m_use_force_sync(false), + m_alignment(16), // assume frame aligned data as default. + m_b_output_packed_raw(false), + m_b_output_unpacked_raw(false), + m_pStatsBlock(0) + +{ + resetStateParams(); + setRawChanFilterAll(true); +} + +TraceFmtDcdImpl::TraceFmtDcdImpl(int instNum) : TraceComponent(DEFORMATTER_NAME, instNum), + m_cfgFlags(0), + m_force_sync_idx(0), + m_use_force_sync(false), + m_alignment(16) +{ + resetStateParams(); + setRawChanFilterAll(true); +} + +TraceFmtDcdImpl::~TraceFmtDcdImpl() +{ +} + +ocsd_datapath_resp_t TraceFmtDcdImpl::TraceDataIn( + const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + ocsd_datapath_resp_t resp = OCSD_RESP_FATAL_INVALID_OP; + InitCollateDataPathResp(); + + m_b_output_packed_raw = m_RawTraceFrame.num_attached() && ((m_cfgFlags & OCSD_DFRMTR_PACKED_RAW_OUT) != 0); + m_b_output_unpacked_raw = m_RawTraceFrame.num_attached() && ((m_cfgFlags & OCSD_DFRMTR_UNPACKED_RAW_OUT) != 0); + + switch(op) + { + case OCSD_OP_RESET: + resp = Reset(); + break; + + case OCSD_OP_FLUSH: + resp = Flush(); + break; + + case OCSD_OP_EOT: + // local 'flush' here? + // pass on EOT to connected ID streams + resp = executeNoneDataOpAllIDs(OCSD_OP_EOT); + break; + + case OCSD_OP_DATA: + if((dataBlockSize <= 0) || ( pDataBlock == 0) || (numBytesProcessed == 0)) + resp = OCSD_RESP_FATAL_INVALID_PARAM; + else + resp = processTraceData(index,dataBlockSize, pDataBlock, numBytesProcessed); + break; + + default: + break; + } + + return resp; +} + +/* enable / disable ID streams - default as all enabled */ +ocsd_err_t TraceFmtDcdImpl::OutputFilterIDs(std::vector<uint8_t> &id_list, bool bEnable) +{ + ocsd_err_t err = OCSD_OK; + std::vector<uint8_t>::iterator iter = id_list.begin(); + uint8_t id = 0; + + while((iter < id_list.end()) && (err == OCSD_OK)) + { + id = *iter; + if(id > 128) + err = OCSD_ERR_INVALID_ID; + else + { + m_IDStreams[id].set_enabled(bEnable); + m_raw_chan_enable[id] = bEnable; + } + iter++; + } + return err; +} + +ocsd_err_t TraceFmtDcdImpl::OutputFilterAllIDs(bool bEnable) +{ + for(uint8_t id = 0; id < 128; id++) + { + m_IDStreams[id].set_enabled(bEnable); + } + setRawChanFilterAll(bEnable); + return OCSD_OK; +} + +void TraceFmtDcdImpl::setRawChanFilterAll(bool bEnable) +{ + for(int i=0; i<128; i++) + { + m_raw_chan_enable[i] = bEnable; + } +} + +const bool TraceFmtDcdImpl::rawChanEnabled(const uint8_t id) const +{ + if(id < 128) + return m_raw_chan_enable[id]; + return false; +} + +/* decode control */ +ocsd_datapath_resp_t TraceFmtDcdImpl::Reset() +{ + resetStateParams(); + InitCollateDataPathResp(); + return executeNoneDataOpAllIDs(OCSD_OP_RESET); +} + +ocsd_datapath_resp_t TraceFmtDcdImpl::Flush() +{ + executeNoneDataOpAllIDs(OCSD_OP_FLUSH); // flush any upstream data. + if(dataPathCont()) + outputFrame(); // try to flush any partial frame data remaining + return highestDataPathResp(); +} + +ocsd_datapath_resp_t TraceFmtDcdImpl::executeNoneDataOpAllIDs(ocsd_datapath_op_t op, + const ocsd_trc_index_t index /* = 0*/) +{ + ITrcDataIn *pTrcComp = 0; + for(uint8_t id = 0; id < 128; id++) + { + if(m_IDStreams[id].num_attached()) + { + pTrcComp = m_IDStreams[id].first(); + while(pTrcComp) + { + CollateDataPathResp(pTrcComp->TraceDataIn(op,index,0,0,0)); + pTrcComp = m_IDStreams[id].next(); + } + } + } + + if( m_RawTraceFrame.num_attached()) + { + if(m_RawTraceFrame.first()) + m_RawTraceFrame.first()->TraceRawFrameIn(op,0,OCSD_FRM_NONE,0,0,0); + } + return highestDataPathResp(); +} + +void TraceFmtDcdImpl::outputRawMonBytes(const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const ocsd_rawframe_elem_t frame_element, + const int dataBlockSize, + const uint8_t *pDataBlock, + const uint8_t traceID) +{ + if( m_RawTraceFrame.num_attached()) + { + if(m_RawTraceFrame.first()) + m_RawTraceFrame.first()->TraceRawFrameIn(op,index,frame_element,dataBlockSize, pDataBlock,traceID); + } +} + +void TraceFmtDcdImpl::CollateDataPathResp(const ocsd_datapath_resp_t resp) +{ + // simple most severe error across multiple IDs. + if(resp > m_highestResp) m_highestResp = resp; +} + +ocsd_datapath_resp_t TraceFmtDcdImpl::processTraceData( + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed + ) +{ + try { + + if(!m_first_data) // is this the initial data block? + { + m_trc_curr_idx = index; + } + else + { + if(m_trc_curr_idx != index) // none continuous trace data - throw an error. + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_DFMTR_NOTCONTTRACE,index); + } + + // record the incoming block for extraction routines to use. + m_in_block_base = pDataBlock; + m_in_block_size = dataBlockSize; + m_in_block_processed = 0; + + if(dataBlockSize % m_alignment) // must be correctly aligned data + { + ocsdError err(OCSD_ERR_SEV_ERROR, OCSD_ERR_INVALID_PARAM_VAL); + char msg_buffer[64]; + sprintf(msg_buffer,"Input block incorrect size, must be %d byte multiple", m_alignment); + err.setMessage(msg_buffer); + throw ocsdError(&err); + } + + // processing loop... + if(checkForSync()) + { + bool bProcessing = true; + while(bProcessing) + { + bProcessing = extractFrame(); // will stop on end of input data. + if(bProcessing) + bProcessing = unpackFrame(); + if(bProcessing) + bProcessing = outputFrame(); // will stop on data path halt. + } + } + } + catch(const ocsdError &err) { + LogError(err); + CollateDataPathResp(OCSD_RESP_FATAL_INVALID_DATA); + } + catch(...) { + LogError(ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_FAIL)); + CollateDataPathResp(OCSD_RESP_FATAL_SYS_ERR); + } + + if(!m_first_data) + m_first_data = true; + + // update the outputs. + *numBytesProcessed = m_in_block_processed; + + return highestDataPathResp(); +} + +ocsd_err_t TraceFmtDcdImpl::DecodeConfigure(uint32_t flags) +{ + const char *pszErrMsg = ""; + ocsd_err_t err = OCSD_OK; + + if((flags & ~OCSD_DFRMTR_VALID_MASK) != 0) + { + err = OCSD_ERR_INVALID_PARAM_VAL; + pszErrMsg = "Unknown Config Flags"; + } + + if((flags & OCSD_DFRMTR_VALID_MASK) == 0) + { + err = OCSD_ERR_INVALID_PARAM_VAL; + pszErrMsg = "No Config Flags Set"; + } + + if((flags & (OCSD_DFRMTR_HAS_FSYNCS | OCSD_DFRMTR_HAS_HSYNCS)) && + (flags & OCSD_DFRMTR_FRAME_MEM_ALIGN) + ) + { + err = OCSD_ERR_INVALID_PARAM_VAL; + pszErrMsg = "Invalid Config Flag Combination Set"; + } + + if(err != OCSD_OK) + { + ocsdError errObj(OCSD_ERR_SEV_ERROR,OCSD_ERR_INVALID_PARAM_VAL); + errObj.setMessage(pszErrMsg); + LogError(errObj); + } + else + { + // alightment is the multiple of bytes the buffer size must be. + m_cfgFlags = flags; + + // using memory aligned buffers, the formatter always outputs 16 byte frames so enforce + // this on the input + m_alignment = 16; + // if we have HSYNCS then always align to 2 byte buffers + if(flags & OCSD_DFRMTR_HAS_HSYNCS) + m_alignment = 2; + // otherwise FSYNCS only can have 4 byte aligned buffers. + else if(flags & OCSD_DFRMTR_HAS_FSYNCS) + m_alignment = 4; + } + return err; +} + +void TraceFmtDcdImpl::resetStateParams() +{ + // overall dynamic state - intra frame + m_trc_curr_idx = OCSD_BAD_TRC_INDEX; /* source index of current trace data */ + m_frame_synced = false; + m_first_data = false; + m_curr_src_ID = OCSD_BAD_CS_SRC_ID; + + // current frame processing + m_ex_frm_n_bytes = 0; + m_b_fsync_start_eob = false; + m_trc_curr_idx_sof = OCSD_BAD_TRC_INDEX; +} + +bool TraceFmtDcdImpl::checkForSync() +{ + // we can sync on:- + // 16 byte alignment - standard input buffers such as ETB + // FSYNC packets in the stream + // forced index programmed into the object. + uint32_t unsynced_bytes = 0; + + if(!m_frame_synced) + { + if(m_use_force_sync) + { + // is the force sync point in this block? + if((m_force_sync_idx >= m_trc_curr_idx) && (m_force_sync_idx < (m_trc_curr_idx + m_in_block_size))) + { + unsynced_bytes = m_force_sync_idx - m_trc_curr_idx; + m_frame_synced = true; + } + else + { + unsynced_bytes = m_in_block_size; + } + } + else if( m_cfgFlags & OCSD_DFRMTR_HAS_FSYNCS) // memory aligned data + { + unsynced_bytes = findfirstFSync(); + + } + else + { + // OCSD_DFRMTR_FRAME_MEM_ALIGN - this has guaranteed 16 byte frame size and alignment. + m_frame_synced = true; + } + + if(unsynced_bytes) + { + outputUnsyncedBytes(unsynced_bytes); + m_in_block_processed = unsynced_bytes; + m_trc_curr_idx += unsynced_bytes; + } + } + return m_frame_synced; +} + +uint32_t TraceFmtDcdImpl::findfirstFSync() +{ + uint32_t processed = 0; + const uint32_t FSYNC_PATTERN = 0x7FFFFFFF; // LE host pattern for FSYNC + const uint8_t *dataPtr = m_in_block_base; + + while (processed < (m_in_block_size - 3)) + { + if (*((uint32_t *)(dataPtr)) == FSYNC_PATTERN) + { + m_frame_synced = true; + break; + } + processed++; + dataPtr++; + } + return processed; +} + +void TraceFmtDcdImpl::outputUnsyncedBytes(uint32_t /*num_bytes*/) +{ + //**TBD: +} + +ocsd_err_t TraceFmtDcdImpl::checkForResetFSyncPatterns(uint32_t &f_sync_bytes) +{ + const uint32_t FSYNC_PATTERN = 0x7FFFFFFF; // LE host pattern for FSYNC + bool check_for_fsync = true; + int num_fsyncs = 0; + uint32_t bytes_processed = m_in_block_processed; + const uint8_t *dataPtr = m_in_block_base + bytes_processed; + ocsd_err_t err = OCSD_OK; + + while (check_for_fsync && (bytes_processed < m_in_block_size)) + { + // look for consecutive fsyncs as padding or for reset downstream - both cases will reset downstream.... + if (*((uint32_t *)(dataPtr)) == FSYNC_PATTERN) + { + dataPtr += sizeof(uint32_t); + num_fsyncs++; + bytes_processed += sizeof(uint32_t); + } + else + check_for_fsync = false; + } + + if (num_fsyncs) + { + if ((num_fsyncs % 4) == 0) + { + // reset the upstream decoders + executeNoneDataOpAllIDs(OCSD_OP_RESET,m_trc_curr_idx); + + // reset the intra frame parameters + m_curr_src_ID = OCSD_BAD_CS_SRC_ID; + m_ex_frm_n_bytes = 0; + m_trc_curr_idx_sof = OCSD_BAD_TRC_INDEX; + } + else + { + err = OCSD_ERR_DFMTR_BAD_FHSYNC; + } + } + f_sync_bytes += num_fsyncs * 4; + return err; +} + +/* Extract a single frame from the input buffer. */ +bool TraceFmtDcdImpl::extractFrame() +{ + const uint32_t FSYNC_PATTERN = 0x7FFFFFFF; // LE host pattern for FSYNC + const uint16_t HSYNC_PATTERN = 0x7FFF; // LE host pattern for HSYNC + const uint16_t FSYNC_START = 0xFFFF; // LE host pattern for start 2 bytes of fsync + + ocsd_err_t err; + uint32_t f_sync_bytes = 0; // skipped f sync bytes + uint32_t h_sync_bytes = 0; // skipped h sync bytes + uint32_t ex_bytes = 0; // extracted this pass (may be filling out part frame) + uint32_t buf_left = m_in_block_size - m_in_block_processed; // bytes remaining in buffer this pass. + + // last call was end of input block - but carried on to process full frame. + // exit early here. + if (!buf_left) + return false; + + // memory aligned input data is forced to be always multiples of 16 byte frames, aligned to start. + if( m_cfgFlags & OCSD_DFRMTR_FRAME_MEM_ALIGN) + { + // some linux drivers (e.g. for perf) will insert FSYNCS to pad or differentiate + // between blocks of aligned data, always in frame aligned complete 16 byte frames. + // we need to skip past these frames, resetting as we go. + if (m_cfgFlags & OCSD_DFRMTR_RESET_ON_4X_FSYNC) + { + err = checkForResetFSyncPatterns(f_sync_bytes); + + /* in this case the FSYNC pattern is output on both packed and unpacked cases */ + if (f_sync_bytes && (m_b_output_packed_raw || m_b_output_unpacked_raw)) + { + outputRawMonBytes(OCSD_OP_DATA, + m_trc_curr_idx, + OCSD_FRM_FSYNC, + f_sync_bytes, + m_in_block_base + m_in_block_processed, + 0); + } + + // throw processing error, none frame size block of fsyncs + if (err) + throw ocsdError(OCSD_ERR_SEV_ERROR, err, m_trc_curr_idx, "Incorrect FSYNC frame reset pattern"); + + buf_left -= f_sync_bytes; + } + + if (buf_left) + { + // always a complete frame - the input data has to be 16 byte multiple alignment. + m_ex_frm_n_bytes = OCSD_DFRMTR_FRAME_SIZE; + memcpy(m_ex_frm_data, m_in_block_base + m_in_block_processed + f_sync_bytes, m_ex_frm_n_bytes); + m_trc_curr_idx_sof = m_trc_curr_idx + f_sync_bytes; + ex_bytes = OCSD_DFRMTR_FRAME_SIZE; + } + } + else + { + // extract data accounting for frame syncs and hsyncs if present. + // we know we are aligned at this point - could be FSYNC or HSYNCs here. + // HSYNC present, library forces input to be aligned 2 byte multiples + // FSYNC - w/o HSYNCs, forces input to be aligned 4 byte multiples. + + // check what we a looking for + bool hasFSyncs = ((m_cfgFlags & OCSD_DFRMTR_HAS_FSYNCS) == OCSD_DFRMTR_HAS_FSYNCS); + bool hasHSyncs = ((m_cfgFlags & OCSD_DFRMTR_HAS_HSYNCS) == OCSD_DFRMTR_HAS_HSYNCS); + + const uint8_t* dataPtr = m_in_block_base + m_in_block_processed; + uint16_t data_pair_val; + + // can have FSYNCS at start of frame (in middle is an error). + if (hasFSyncs && (m_ex_frm_n_bytes == 0)) + { + // was there an fsync start at the end of the last buffer? + if (m_b_fsync_start_eob) { + // last 2 of FSYNC look like HSYNC + if (*(uint16_t*)(dataPtr) != HSYNC_PATTERN) + { + // this means 0xFFFF followed by something else - invalid ID + ???? + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_DFMTR_BAD_FHSYNC, m_trc_curr_idx, "Bad FSYNC pattern before frame or invalid ID.(0x7F)"); + } + else + { + f_sync_bytes += 2; + buf_left -= 2; + dataPtr += 2; + } + m_b_fsync_start_eob = false; + } + + // regular fsync checks + while ((buf_left >= 4) && (*((uint32_t*)(dataPtr)) == FSYNC_PATTERN)) + { + f_sync_bytes += 4; + dataPtr += 4; + buf_left -= 4; + } + + // handle possible part fsync at the end of a buffer + if (buf_left == 2) + { + if (*(uint16_t*)(dataPtr) == FSYNC_START) + { + f_sync_bytes += 2; + buf_left -= 2; + dataPtr += 2; + m_b_fsync_start_eob = true; + } + } + } + + // process remaining data in pairs of bytes + while ((m_ex_frm_n_bytes < OCSD_DFRMTR_FRAME_SIZE) && buf_left) + { + // mark start of frame after FSyncs + if (m_ex_frm_n_bytes == 0) + m_trc_curr_idx_sof = m_trc_curr_idx + f_sync_bytes; + + m_ex_frm_data[m_ex_frm_n_bytes] = dataPtr[0]; + m_ex_frm_data[m_ex_frm_n_bytes + 1] = dataPtr[1]; + + data_pair_val = *((uint16_t*)(dataPtr)); + + // check pair is not HSYNC + if (data_pair_val == HSYNC_PATTERN) + { + if (hasHSyncs) + { + h_sync_bytes += 2; + } + else + { + // throw illegal HSYNC error. + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_DFMTR_BAD_FHSYNC, m_trc_curr_idx, "Bad HSYNC in frame."); + } + } + // can't have a start of FSYNC here / illegal trace ID + else if (data_pair_val == FSYNC_START) + { + throw ocsdError(OCSD_ERR_SEV_ERROR, OCSD_ERR_DFMTR_BAD_FHSYNC, m_trc_curr_idx, "Bad FSYNC start in frame or invalid ID (0x7F)."); + } + else + { + m_ex_frm_n_bytes += 2; + ex_bytes += 2; + } + + buf_left -= 2; + dataPtr += 2; + } + } + + // total bytes processed this pass + uint32_t total_processed = ex_bytes + f_sync_bytes + h_sync_bytes; + + // output raw data on raw frame channel - packed raw. + if (((m_ex_frm_n_bytes == OCSD_DFRMTR_FRAME_SIZE) || (buf_left == 0)) && m_b_output_packed_raw) + { + outputRawMonBytes( OCSD_OP_DATA, + m_trc_curr_idx, + OCSD_FRM_PACKED, + total_processed, + m_in_block_base+m_in_block_processed, + 0); + } + + // update the processed count for the buffer + m_in_block_processed += total_processed; + + // update index past the processed data + m_trc_curr_idx += total_processed; + + // update any none trace data byte stats + addToFrameStats((uint64_t)(f_sync_bytes + h_sync_bytes)); + + // if we are exiting with a full frame then signal processing to continue + return (bool)(m_ex_frm_n_bytes == OCSD_DFRMTR_FRAME_SIZE); +} + +bool TraceFmtDcdImpl::unpackFrame() +{ + // unpack cannot fail as never called on incomplete frame. + uint8_t frameFlagBit = 0x1; + uint8_t newSrcID = OCSD_BAD_CS_SRC_ID; + bool PrevIDandIDChange = false; + uint64_t noneDataBytes = 0; + + // init output processing + m_out_data_idx = 0; + m_out_processed = 0; + + // set up first out data packet... + m_out_data[m_out_data_idx].id = m_curr_src_ID; + m_out_data[m_out_data_idx].valid = 0; + m_out_data[m_out_data_idx].index = m_trc_curr_idx_sof; + m_out_data[m_out_data_idx].used = 0; + + // work on byte pairs - bytes 0 - 13. + for(int i = 0; i < 14; i+=2) + { + PrevIDandIDChange = false; + + // it's an ID + data + if(m_ex_frm_data[i] & 0x1) + { + newSrcID = (m_ex_frm_data[i] >> 1) & 0x7f; + if(newSrcID != m_curr_src_ID) // ID change + { + PrevIDandIDChange = ((frameFlagBit & m_ex_frm_data[15]) != 0); + + // following byte for old id? + if(PrevIDandIDChange) + // 2nd byte always data + m_out_data[m_out_data_idx].data[m_out_data[m_out_data_idx].valid++] = m_ex_frm_data[i+1]; + + // change ID + m_curr_src_ID = newSrcID; + + // if we already have data in this buffer + if(m_out_data[m_out_data_idx].valid > 0) + { + m_out_data_idx++; // move to next buffer + m_out_data[m_out_data_idx].valid = 0; + m_out_data[m_out_data_idx].used = 0; + m_out_data[m_out_data_idx].index = m_trc_curr_idx_sof + i; + } + + // set new ID on buffer + m_out_data[m_out_data_idx].id = m_curr_src_ID; + + /// TBD - ID indexing in here. + } + noneDataBytes++; + } + else + // it's just data + { + m_out_data[m_out_data_idx].data[m_out_data[m_out_data_idx].valid++] = m_ex_frm_data[i] | ((frameFlagBit & m_ex_frm_data[15]) ? 0x1 : 0x0); + } + + // 2nd byte always data + if(!PrevIDandIDChange) // output only if we didn't for an ID change + prev ID. + m_out_data[m_out_data_idx].data[m_out_data[m_out_data_idx].valid++] = m_ex_frm_data[i+1]; + + frameFlagBit <<= 1; + } + + // unpack byte 14; + + // it's an ID + if(m_ex_frm_data[14] & 0x1) + { + // no matter if change or not, no associated data in byte 15 anyway so just set. + m_curr_src_ID = (m_ex_frm_data[14] >> 1) & 0x7f; + noneDataBytes++; + } + // it's data + else + { + m_out_data[m_out_data_idx].data[m_out_data[m_out_data_idx].valid++] = m_ex_frm_data[14] | ((frameFlagBit & m_ex_frm_data[15]) ? 0x1 : 0x0); + } + m_ex_frm_n_bytes = 0; // mark frame as empty; + + noneDataBytes++; // byte 15 is always non-data. + addToFrameStats(noneDataBytes); // update the non data byte stats. + return true; +} + +// output data to channels. +bool TraceFmtDcdImpl::outputFrame() +{ + bool cont_processing = true; + ITrcDataIn *pDataIn = 0; + uint32_t bytes_used; + + // output each valid ID within the frame - stopping if we get a wait or error + while((m_out_processed < (m_out_data_idx + 1)) && cont_processing) + { + + // may have data prior to a valid ID appearing + if(m_out_data[m_out_processed].id != OCSD_BAD_CS_SRC_ID) + { + if((pDataIn = m_IDStreams[m_out_data[m_out_processed].id].first()) != 0) + { + // log the stuff we are about to put out early so as to make it visible before interpretation + // however, don't re-output if only part used first time round. + if(m_b_output_unpacked_raw && (m_out_data[m_out_processed].used == 0) && rawChanEnabled( m_out_data[m_out_processed].id)) + { + outputRawMonBytes( OCSD_OP_DATA, + m_out_data[m_out_processed].index, + OCSD_FRM_ID_DATA, + m_out_data[m_out_processed].valid, + m_out_data[m_out_processed].data, + m_out_data[m_out_processed].id); + } + + // output to the connected packet process + CollateDataPathResp(pDataIn->TraceDataIn(OCSD_OP_DATA, + m_out_data[m_out_processed].index + m_out_data[m_out_processed].used, + m_out_data[m_out_processed].valid - m_out_data[m_out_processed].used, + m_out_data[m_out_processed].data + m_out_data[m_out_processed].used, + &bytes_used)); + + addToIDStats((uint64_t)bytes_used); + + if(!dataPathCont()) + { + cont_processing = false; + m_out_data[m_out_processed].used += bytes_used; + if(m_out_data[m_out_processed].used == m_out_data[m_out_processed].valid) + m_out_processed++; // we have used up all this data. + } + else + { + m_out_processed++; // we have sent this data; + } + } + else + { + // optional raw output for debugging / monitor tools + if(m_b_output_unpacked_raw && rawChanEnabled( m_out_data[m_out_processed].id)) + { + outputRawMonBytes( OCSD_OP_DATA, + m_out_data[m_out_processed].index, + OCSD_FRM_ID_DATA, + m_out_data[m_out_processed].valid, + m_out_data[m_out_processed].data, + m_out_data[m_out_processed].id); + } + + if (isReservedID(m_out_data[m_out_processed].id)) + addToReservedIDStats((uint64_t)m_out_data[m_out_processed].valid); + else + addToNoIDStats((uint64_t)m_out_data[m_out_processed].valid); + m_out_processed++; // skip past this data. + } + } + else + { + // optional raw output for debugging / monitor tools of unknown src ID data + if(m_b_output_unpacked_raw) + { + outputRawMonBytes( OCSD_OP_DATA, + m_out_data[m_out_processed].index, + OCSD_FRM_ID_DATA, + m_out_data[m_out_processed].valid, + m_out_data[m_out_processed].data, + m_out_data[m_out_processed].id); + } + addToUnknownIDStats((uint64_t)m_out_data[m_out_processed].valid); + m_out_processed++; // skip past this data. + } + } + return cont_processing; +} + +void TraceFmtDcdImpl::addToIDStats(uint64_t val) +{ + if (m_pStatsBlock) + m_pStatsBlock->valid_id_bytes += val; +} + +void TraceFmtDcdImpl::addToNoIDStats(uint64_t val) +{ + if (m_pStatsBlock) + m_pStatsBlock->no_id_bytes += val; +} + +void TraceFmtDcdImpl::addToFrameStats(uint64_t val) +{ + if (m_pStatsBlock) + m_pStatsBlock->frame_bytes += val; +} + +void TraceFmtDcdImpl::addToUnknownIDStats(uint64_t val) +{ + if (m_pStatsBlock) + m_pStatsBlock->unknown_id_bytes += val; +} + +void TraceFmtDcdImpl::addToReservedIDStats(uint64_t val) +{ + if (m_pStatsBlock) + m_pStatsBlock->reserved_id_bytes += val; +} + +/***************************************************************/ +/* interface */ +/***************************************************************/ +TraceFormatterFrameDecoder::TraceFormatterFrameDecoder() : m_pDecoder(0) +{ + m_instNum = -1; +} + +TraceFormatterFrameDecoder::TraceFormatterFrameDecoder(int instNum) : m_pDecoder(0) +{ + m_instNum = instNum; +} + +TraceFormatterFrameDecoder::~TraceFormatterFrameDecoder() +{ + if(m_pDecoder) + { + delete m_pDecoder; + m_pDecoder = 0; + } +} + + /* the data input interface from the reader / source */ +ocsd_datapath_resp_t TraceFormatterFrameDecoder::TraceDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed) +{ + return (m_pDecoder == 0) ? OCSD_RESP_FATAL_NOT_INIT : m_pDecoder->TraceDataIn(op,index,dataBlockSize,pDataBlock,numBytesProcessed); +} + +/* attach a data processor to a stream ID output */ +componentAttachPt<ITrcDataIn> *TraceFormatterFrameDecoder::getIDStreamAttachPt(uint8_t ID) +{ + componentAttachPt<ITrcDataIn> *pAttachPt = 0; + if((ID < 128) && (m_pDecoder != 0)) + pAttachPt = &(m_pDecoder->m_IDStreams[ID]); + return pAttachPt; +} + +/* attach a data processor to the raw frame output */ +componentAttachPt<ITrcRawFrameIn> *TraceFormatterFrameDecoder::getTrcRawFrameAttachPt() +{ + return (m_pDecoder != 0) ? &m_pDecoder->m_RawTraceFrame : 0; +} + + +componentAttachPt<ITrcSrcIndexCreator> *TraceFormatterFrameDecoder::getTrcSrcIndexAttachPt() +{ + return (m_pDecoder != 0) ? &m_pDecoder->m_SrcIndexer : 0; +} + +componentAttachPt<ITraceErrorLog> *TraceFormatterFrameDecoder::getErrLogAttachPt() +{ + return (m_pDecoder != 0) ? m_pDecoder->getErrorLogAttachPt() : 0; +} + +ocsd_err_t TraceFormatterFrameDecoder::Init() +{ + if (!m_pDecoder) + { + if (m_instNum >= 0) + m_pDecoder = new (std::nothrow) TraceFmtDcdImpl(m_instNum); + else + m_pDecoder = new (std::nothrow) TraceFmtDcdImpl(); + if (!m_pDecoder) return OCSD_ERR_MEM; + } + return OCSD_OK; +} + +/* configuration - set operational mode for incoming stream (has FSYNCS etc) */ +ocsd_err_t TraceFormatterFrameDecoder::Configure(uint32_t cfg_flags) +{ + if (!m_pDecoder) + return OCSD_ERR_NOT_INIT; + return m_pDecoder->DecodeConfigure(cfg_flags); +} + +const uint32_t TraceFormatterFrameDecoder::getConfigFlags() const +{ + uint32_t flags = 0; + if(m_pDecoder) + flags = m_pDecoder->m_cfgFlags; + return flags; +} + + +/* enable / disable ID streams - default as all enabled */ +ocsd_err_t TraceFormatterFrameDecoder::OutputFilterIDs(std::vector<uint8_t> &id_list, bool bEnable) +{ + return (m_pDecoder == 0) ? OCSD_ERR_NOT_INIT : m_pDecoder->OutputFilterIDs(id_list,bEnable); +} + +ocsd_err_t TraceFormatterFrameDecoder::OutputFilterAllIDs(bool bEnable) +{ + return (m_pDecoder == 0) ? OCSD_ERR_NOT_INIT : m_pDecoder->OutputFilterAllIDs(bEnable); +} + +/* decode control */ +ocsd_datapath_resp_t TraceFormatterFrameDecoder::Reset() +{ + return (m_pDecoder == 0) ? OCSD_RESP_FATAL_NOT_INIT : m_pDecoder->Reset(); +} + +ocsd_datapath_resp_t TraceFormatterFrameDecoder::Flush() +{ + return (m_pDecoder == 0) ? OCSD_RESP_FATAL_NOT_INIT : m_pDecoder->Flush(); +} + +void TraceFormatterFrameDecoder::SetDemuxStatsBlock(ocsd_demux_stats_t *pStatsBlock) +{ + if (m_pDecoder) + m_pDecoder->SetDemuxStatsBlock(pStatsBlock); +} + +/* End of File trc_frame_deformatter.cpp */ diff --git a/decoder/source/trc_frame_deformatter_impl.h b/decoder/source/trc_frame_deformatter_impl.h new file mode 100644 index 0000000..3571d5f --- /dev/null +++ b/decoder/source/trc_frame_deformatter_impl.h @@ -0,0 +1,185 @@ +/* + * \file trc_frame_decoder_impl.h + * \brief OpenCSD : Trace Deformatter implementation. + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ARM_TRC_FRAME_DECODER_IMPL_H_INCLUDED +#define ARM_TRC_FRAME_DECODER_IMPL_H_INCLUDED + +#include "opencsd/ocsd_if_types.h" +#include "common/comp_attach_pt_t.h" +#include "interfaces/trc_data_raw_in_i.h" +#include "interfaces/trc_data_rawframe_in_i.h" +#include "interfaces/trc_indexer_src_i.h" +#include "common/trc_component.h" + +//! output data fragment from the current frame - collates bytes associated with an ID. +typedef struct _out_chan_data { + ocsd_trc_index_t index; //!< trace source index for start of these bytes + uint8_t id; //!< Id for these bytes + uint8_t data[15]; //!< frame data bytes for this ID + uint32_t valid; //!< Valid data bytes. + uint32_t used; //!< Data bytes output (used by attached processor). +} out_chan_data; + +class TraceFmtDcdImpl : public TraceComponent, ITrcDataIn +{ +private: + TraceFmtDcdImpl(); + TraceFmtDcdImpl(int instNum); + virtual ~TraceFmtDcdImpl(); + + /* the data input interface from the reader */ + virtual ocsd_datapath_resp_t TraceDataIn( const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed); + + /* enable / disable ID streams - default as all enabled */ + ocsd_err_t OutputFilterIDs(std::vector<uint8_t> &id_list, bool bEnable); + ocsd_err_t OutputFilterAllIDs(bool bEnable); + + /* decode control */ + ocsd_datapath_resp_t Reset(); /* reset the decode to the start state, drop partial data - propogate to attached components */ + ocsd_datapath_resp_t Flush(); + ocsd_err_t DecodeConfigure(uint32_t flags); + ocsd_err_t SetForcedSyncIndex(ocsd_trc_index_t index, bool bSet); + + void SetDemuxStatsBlock(ocsd_demux_stats_t *pStatsBlock) { m_pStatsBlock = pStatsBlock; }; + +private: + ocsd_datapath_resp_t executeNoneDataOpAllIDs(ocsd_datapath_op_t op, const ocsd_trc_index_t index = 0); + ocsd_datapath_resp_t processTraceData(const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed); + // process phases + bool checkForSync(); // find the sync point in the incoming block + bool extractFrame(); // extract the frame data from incoming stream + bool unpackFrame(); // process a complete frame. + bool outputFrame(); // output data to channels. + + + // managing data path responses. + void InitCollateDataPathResp() { m_highestResp = OCSD_RESP_CONT; }; + void CollateDataPathResp(const ocsd_datapath_resp_t resp); + const ocsd_datapath_resp_t highestDataPathResp() const { return m_highestResp; }; + const bool dataPathCont() const { return (bool)(m_highestResp < OCSD_RESP_WAIT); }; + + // deformat state + void resetStateParams(); + + // synchronisation + uint32_t findfirstFSync(); + void outputUnsyncedBytes(uint32_t num_bytes); // output bytes as unsynced from current buffer position. + + // output bytes to raw frame monitor + void outputRawMonBytes(const ocsd_datapath_op_t op, + const ocsd_trc_index_t index, + const ocsd_rawframe_elem_t frame_element, + const int dataBlockSize, + const uint8_t *pDataBlock, + const uint8_t traceID); + + + void setRawChanFilterAll(bool bEnable); + const bool rawChanEnabled(const uint8_t id) const; + + ocsd_err_t checkForResetFSyncPatterns(uint32_t &f_sync_bytes); + + friend class TraceFormatterFrameDecoder; + + // stats updates + void addToIDStats(uint64_t val); + void addToNoIDStats(uint64_t val); + void addToFrameStats(uint64_t val); + void addToUnknownIDStats(uint64_t val); + void addToReservedIDStats(uint64_t val); + + bool isReservedID(uint8_t ID) { return ((ID == 0) || (ID >= 0x70)); }; + + // attachment points + componentAttachPt<ITrcDataIn> m_IDStreams[128]; + componentAttachPt<ITrcRawFrameIn> m_RawTraceFrame; + + componentAttachPt<ITrcSrcIndexCreator> m_SrcIndexer; + + + ocsd_datapath_resp_t m_highestResp; + + /* static configuration */ + uint32_t m_cfgFlags; /* configuration flags */ + ocsd_trc_index_t m_force_sync_idx; + bool m_use_force_sync; + uint32_t m_alignment; + + /* dynamic state */ + ocsd_trc_index_t m_trc_curr_idx; /* index of current trace data */ + bool m_frame_synced; + bool m_first_data; + uint8_t m_curr_src_ID; + + // incoming frame buffer + uint8_t m_ex_frm_data[OCSD_DFRMTR_FRAME_SIZE]; // buffer the current frame in case we have to stop part way through + int m_ex_frm_n_bytes; // number of valid bytes in the current frame (extraction) + bool m_b_fsync_start_eob; // flag to indicate that the end of the last buffer was a pair of bytes + // (0xffff) that could only validly be the start and FSYNC. + ocsd_trc_index_t m_trc_curr_idx_sof; // trace source index at start of frame. + + /* channel output data - can never be more than a frame of data for a single ID. + * 8 possible ID changes per frame. Although the final one can have no associated data, a pathological + * case exists with 7 ID changes, all data associated with a previous frame, except for last + * ID / data byte which is data. Not possible with normal hardware but guard against corrupt input. + */ + out_chan_data m_out_data[8]; // output data for a given ID + int m_out_data_idx; // number of out_chan_data frames used. + int m_out_processed; // number of complete out_chan_data frames output. + + /* local copy of input buffer pointers*/ + const uint8_t *m_in_block_base; + uint32_t m_in_block_size; + uint32_t m_in_block_processed; + + /* raw output options */ + bool m_b_output_packed_raw; + bool m_b_output_unpacked_raw; + + bool m_raw_chan_enable[128]; + + ocsd_demux_stats_t *m_pStatsBlock; +}; + + +#endif // ARM_TRC_FRAME_DECODER_IMPL_H_INCLUDED + +/* End of File trc_frame_decoder_impl.h */ diff --git a/decoder/source/trc_gen_elem.cpp b/decoder/source/trc_gen_elem.cpp new file mode 100644 index 0000000..b2e6772 --- /dev/null +++ b/decoder/source/trc_gen_elem.cpp @@ -0,0 +1,311 @@ +/* + * \file trc_gen_elem.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/trc_gen_elem.h" + +#include <string> +#include <sstream> +#include <iomanip> + +static const char *s_elem_descs[][2] = +{ + {"OCSD_GEN_TRC_ELEM_UNKNOWN","Unknown trace element - default value or indicate error in stream to client."}, + {"OCSD_GEN_TRC_ELEM_NO_SYNC","Waiting for sync - either at start of decode, or after overflow / bad packet"}, + {"OCSD_GEN_TRC_ELEM_TRACE_ON","Start of trace - beginning of elements or restart after discontinuity (overflow, trace filtering)."}, + {"OCSD_GEN_TRC_ELEM_EO_TRACE","End of the available trace in the buffer."}, + {"OCSD_GEN_TRC_ELEM_PE_CONTEXT","PE status update / change (arch, ctxtid, vmid etc)."}, + {"OCSD_GEN_TRC_ELEM_INSTR_RANGE","Traced N consecutive instructions from addr (no intervening events or data elements), may have data assoc key"}, + {"OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH","Traced N instructions in a range, but incomplete information as to program execution path from start to end of range"}, + {"OCSD_GEN_TRC_ELEM_ADDR_NACC","Tracing in inaccessible memory area."}, + {"OCSD_GEN_TRC_ELEM_ADDR_UNKNOWN","Tracing unknown address area."}, + {"OCSD_GEN_TRC_ELEM_EXCEPTION","Exception"}, + {"OCSD_GEN_TRC_ELEM_EXCEPTION_RET","Exception return"}, + {"OCSD_GEN_TRC_ELEM_TIMESTAMP","Timestamp - preceding elements happeded before this time."}, + {"OCSD_GEN_TRC_ELEM_CYCLE_COUNT","Cycle count - cycles since last cycle count value - associated with a preceding instruction range."}, + {"OCSD_GEN_TRC_ELEM_EVENT","Event - numbered event or trigger"}, + {"OCSD_GEN_TRC_ELEM_SWTRACE","Software trace packet - may contain data payload."}, + {"OCSD_GEN_TRC_ELEM_SYNC_MARKER","Synchronisation marker - marks position in stream of an element that is output later."}, + {"OCSD_GEN_TRC_ELEM_MEMTRANS","Trace indication of transactional memory operations."}, + {"OCSD_GEN_TRC_ELEM_CUSTOM","Fully custom packet type."} +}; + +static const char *instr_type[] = { + "--- ", + "BR ", + "iBR ", + "ISB ", + "DSB.DMB", + "WFI.WFE", + "TSTART" +}; + +#define T_SIZE (sizeof(instr_type) / sizeof(const char *)) + +static const char *instr_sub_type[] = { + "--- ", + "b+link ", + "A64:ret ", + "A64:eret ", + "V7:impl ret", +}; + +#define ST_SIZE (sizeof(instr_sub_type) / sizeof(const char *)) + +static const char *s_trace_on_reason[] = { + "begin or filter", + "overflow", + "debug restart" +}; + + +static const char *s_isa_str[] = { + "A32", /**< V7 ARM 32, V8 AArch32 */ + "T32", /**< Thumb2 -> 16/32 bit instructions */ + "A64", /**< V8 AArch64 */ + "TEE", /**< Thumb EE - unsupported */ + "Jaz", /**< Jazelle - unsupported in trace */ + "Cst", /**< ISA custom */ + "Unk" /**< ISA not yet known */ +}; + +static const char *s_unsync_reason[] = { + "undefined", // UNSYNC_UNKNOWN - unknown /undefined + "init-decoder", // UNSYNC_INIT_DECODER - decoder intialisation - start of trace. + "reset-decoder", // UNSYNC_RESET_DECODER - decoder reset. + "overflow", // UNSYNC_OVERFLOW - overflow packet - need to re-sync + "discard", // UNSYNC_DISCARD - specl trace discard - need to re-sync + "bad-packet", // UNSYNC_BAD_PACKET - bad packet at input - resync to restart. + "end-of-trace", // UNSYNC_EOT - end of trace info. +}; +static const char *s_transaction_type[] = { + "Init", + "Start", + "Commit", + "Fail" +}; + +static const char *s_marker_t[] = { + "Timestamp marker", // ELEM_MARKER_TS +}; + +void OcsdTraceElement::toString(std::string &str) const +{ + std::ostringstream oss; + int num_str = sizeof(s_elem_descs) / sizeof(s_elem_descs[0]); + int typeIdx = (int)this->elem_type; + if(typeIdx < num_str) + { + oss << s_elem_descs[typeIdx][0] << "("; + switch(elem_type) + { + case OCSD_GEN_TRC_ELEM_INSTR_RANGE: + oss << "exec range=0x" << std::hex << st_addr << ":[0x" << en_addr << "] "; + oss << "num_i(" << std::dec << num_instr_range << ") "; + oss << "last_sz(" << last_instr_sz << ") "; + oss << "(ISA=" << s_isa_str[(int)isa] << ") "; + oss << ((last_instr_exec == 1) ? "E " : "N "); + if((int)last_i_type < T_SIZE) + oss << instr_type[last_i_type]; + if((last_i_subtype != OCSD_S_INSTR_NONE) && ((int)last_i_subtype < ST_SIZE)) + oss << instr_sub_type[last_i_subtype]; + if (last_instr_cond) + oss << " <cond>"; + break; + + case OCSD_GEN_TRC_ELEM_ADDR_NACC: + oss << " 0x" << std::hex << st_addr << " "; + break; + + case OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH: + oss << "first 0x" << std::hex << st_addr << ":[next 0x" << en_addr << "] "; + oss << "num_i(" << std::dec << num_instr_range << ") "; + break; + + case OCSD_GEN_TRC_ELEM_EXCEPTION: + if (excep_ret_addr == 1) + { + oss << "pref ret addr:0x" << std::hex << en_addr; + if (excep_ret_addr_br_tgt) + { + oss << " [addr also prev br tgt]"; + } + oss << "; "; + } + oss << "excep num (0x" << std::setfill('0') << std::setw(2) << std::hex << exception_number << ") "; + break; + + case OCSD_GEN_TRC_ELEM_PE_CONTEXT: + oss << "(ISA=" << s_isa_str[(int)isa] << ") "; + if((context.exception_level > ocsd_EL_unknown) && (context.el_valid)) + { + oss << "EL" << std::dec << (int)(context.exception_level); + } + switch (context.security_level) + { + case ocsd_sec_secure: oss << "S; "; break; + case ocsd_sec_nonsecure: oss << "N; "; break; + case ocsd_sec_root: oss << "Root; "; break; + case ocsd_sec_realm: oss << "Realm; "; break; + } + oss << (context.bits64 ? "64-bit; " : "32-bit; "); + if(context.vmid_valid) + oss << "VMID=0x" << std::hex << context.vmid << "; "; + if(context.ctxt_id_valid) + oss << "CTXTID=0x" << std::hex << context.context_id << "; "; + break; + + case OCSD_GEN_TRC_ELEM_TRACE_ON: + oss << " [" << s_trace_on_reason[trace_on_reason] << "]"; + break; + + case OCSD_GEN_TRC_ELEM_TIMESTAMP: + oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; "; + break; + + case OCSD_GEN_TRC_ELEM_SWTRACE: + printSWInfoPkt(oss); + break; + + case OCSD_GEN_TRC_ELEM_EVENT: + if(trace_event.ev_type == EVENT_TRIGGER) + oss << " Trigger; "; + else if(trace_event.ev_type == EVENT_NUMBERED) + oss << " Numbered:" << std::dec << trace_event.ev_number << "; "; + break; + + case OCSD_GEN_TRC_ELEM_EO_TRACE: + case OCSD_GEN_TRC_ELEM_NO_SYNC: + if (unsync_eot_info <= UNSYNC_EOT) + oss << " [" << s_unsync_reason[unsync_eot_info] << "]"; + break; + + case OCSD_GEN_TRC_ELEM_SYNC_MARKER: + oss << " [" << s_marker_t[sync_marker.type] << "(0x" << std::setfill('0') << std::setw(8) << std::hex << sync_marker.value << ")]"; + break; + + case OCSD_GEN_TRC_ELEM_MEMTRANS: + if (mem_trans <= OCSD_MEM_TRANS_FAIL) + oss << s_transaction_type[mem_trans]; + break; + + default: break; + } + if(has_cc) + oss << std::dec << " [CC=" << cycle_count << "]; "; + oss << ")"; + } + else + { + oss << "OCSD_GEN_TRC_ELEM??: index out of range."; + } + str = oss.str(); +} + +OcsdTraceElement &OcsdTraceElement::operator =(const ocsd_generic_trace_elem* p_elem) +{ + *dynamic_cast<ocsd_generic_trace_elem*>(this) = *p_elem; + return *this; +} + + +void OcsdTraceElement::printSWInfoPkt(std::ostringstream & oss) const +{ + if (!sw_trace_info.swt_global_err) + { + if (sw_trace_info.swt_id_valid) + { + oss << " (Ma:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_master_id << "; "; + oss << "Ch:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_channel_id << ") "; + } + else + oss << "(Ma:0x??; Ch:0x??" << ") "; + + if (sw_trace_info.swt_payload_pkt_bitsize > 0) + { + oss << "0x" << std::setfill('0') << std::hex; + if (sw_trace_info.swt_payload_pkt_bitsize == 4) + { + oss << std::setw(1); + oss << (uint16_t)(((uint8_t *)ptr_extended_data)[0] & 0xF); + } + else + { + switch (sw_trace_info.swt_payload_pkt_bitsize) + { + case 8: + // force uint8 to uint16 so oss 'sees' them as something to be stringised, rather than absolute char values + oss << std::setw(2) << (uint16_t)((uint8_t *)ptr_extended_data)[0]; + break; + case 16: + oss << std::setw(4) << ((uint16_t *)ptr_extended_data)[0]; + break; + case 32: + oss << std::setw(8) << ((uint32_t *)ptr_extended_data)[0]; + break; + case 64: + oss << std::setw(16) << ((uint64_t *)ptr_extended_data)[0]; + break; + default: + oss << "{Data Error : unsupported bit width.}"; + break; + } + } + oss << "; "; + } + if (sw_trace_info.swt_marker_packet) + oss << "+Mrk "; + if (sw_trace_info.swt_trigger_event) + oss << "Trig "; + if (sw_trace_info.swt_has_timestamp) + oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; "; + if (sw_trace_info.swt_frequency) + oss << "Freq"; + if (sw_trace_info.swt_master_err) + oss << "{Master Error.}"; + } + else + { + oss << "{Global Error.}"; + } +} + +/* +void OcsdTraceElement::toString(const ocsd_generic_trace_elem *p_elem, std::string &str) +{ + OcsdTraceElement elem; + elem = p_elem; + elem.toString(str); +} +*/ +/* End of File trc_gen_elem.cpp */ diff --git a/decoder/source/trc_printable_elem.cpp b/decoder/source/trc_printable_elem.cpp new file mode 100644 index 0000000..2b60c03 --- /dev/null +++ b/decoder/source/trc_printable_elem.cpp @@ -0,0 +1,121 @@ +/* + * \file trc_printable_elem.cpp + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "common/trc_printable_elem.h" +#include <cassert> +#include <cstring> +#if defined(_MSC_VER) && (_MSC_VER < 1900) + /** VS2010 does not support inttypes - remove when VS2010 support is dropped */ +#define __PRI64_PREFIX "ll" +#define PRIX64 __PRI64_PREFIX "X" +#define PRIu64 __PRI64_PREFIX "u" +#define PRIu32 "u" +#else +#include <cinttypes> +#endif + +void trcPrintableElem::getValStr(std::string &valStr, const int valTotalBitSize, const int valValidBits, const uint64_t value, const bool asHex /* = true*/, const int updateBits /* = 0*/) +{ + static char szStrBuffer[128]; + static char szFormatBuffer[32]; + + assert((valTotalBitSize >= 4) && (valTotalBitSize <= 64)); + + valStr = "0x"; + + if(asHex) + { + int numHexChars = valTotalBitSize / 4; + numHexChars += ((valTotalBitSize % 4) > 0) ? 1 : 0; + + int validChars = valValidBits / 4; + if((valValidBits % 4) > 0) validChars++; + if (validChars < numHexChars) + { + int QM = numHexChars - validChars; + while (QM) + { + QM--; + valStr += "?"; + } + } + if(valValidBits > 32) + { + sprintf(szFormatBuffer,"%%0%dllX",validChars); // create the format + sprintf(szStrBuffer,szFormatBuffer,value); // fill the buffer + } + else + { + sprintf(szFormatBuffer,"%%0%dlX",validChars); // create the format + sprintf(szStrBuffer,szFormatBuffer,(uint32_t)value); // fill the buffer + } + valStr+=szStrBuffer; + if(valValidBits < valTotalBitSize) + { + sprintf(szStrBuffer," (%d:0)", valValidBits-1); + valStr+=szStrBuffer; + } + + if(updateBits) + { + uint64_t updateMask = ~0ULL; + updateMask >>= 64-updateBits; + sprintf(szStrBuffer," ~[0x%" PRIX64 "]",value & updateMask); + valStr+=szStrBuffer; + } + } + else + { + valStr = ""; + if(valValidBits < valTotalBitSize) + valStr += "??"; + if(valValidBits > 32) + { + sprintf(szStrBuffer,"%" PRIu64 ,value); + } + else + { + sprintf(szStrBuffer,"%" PRIu32 ,(uint32_t)value); + } + valStr += szStrBuffer; + if(valValidBits < valTotalBitSize) + { + sprintf(szStrBuffer," (%d:0)", valValidBits-1); + valStr+=szStrBuffer; + } + } +} + + +/* End of File trc_printable_elem.cpp */ diff --git a/decoder/source/trc_ret_stack.cpp b/decoder/source/trc_ret_stack.cpp new file mode 100644 index 0000000..a56c6e6 --- /dev/null +++ b/decoder/source/trc_ret_stack.cpp @@ -0,0 +1,149 @@ +/* +* \file trc_ret_stack.cpp +* \brief OpenCSD : trace decoder return stack feature. +* +* \copyright Copyright (c) 2017, ARM Limited. All Rights Reserved. +*/ + +/* +* Redistribution and use in source and binary forms, with or without modification, +* are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, +* this list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* 3. Neither the name of the copyright holder nor the names of its contributors +* may be used to endorse or promote products derived from this software without +* specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +#include "common/trc_ret_stack.h" + +#ifdef TRC_RET_STACK_DEBUG +#include <sstream> +#include <iostream> +#include "common/trc_component.h" + +#define LOG_POP(A,O,I) LogOp("Pop",A,O,I) +#define LOG_PUSH(A,O,I) LogOp("Push",A,O,I) +#define LOG_FLUSH() LogOp("Flush",0,-1000,(const ocsd_isa)0) + +// uncomment for forced std::cout log, bypassing normal library debug logger. +// useful perhaps when perf is decoding w/o printing. +// #define FORCE_STD_COUT + +#else +#define LOG_POP(A,O,I) +#define LOG_PUSH(A,O,I) +#define LOG_FLUSH() +#endif + +TrcAddrReturnStack::TrcAddrReturnStack() : + m_active(false), + m_pop_pending(false), + head_idx(0), + num_entries(0) +{ +#ifdef TRC_RET_STACK_DEBUG + m_p_debug_logger = 0; +#endif +} + +void TrcAddrReturnStack::push(const ocsd_vaddr_t addr, const ocsd_isa isa) +{ + if (is_active()) + { + head_idx++; + head_idx &= 0xF; + m_stack[head_idx].ret_addr = addr; + m_stack[head_idx].ret_isa = isa; + num_entries++; + if (num_entries > 16) + num_entries = 16; + LOG_PUSH(addr,0,isa); + m_pop_pending = false; + } +} + +ocsd_vaddr_t TrcAddrReturnStack::pop(ocsd_isa &isa) +{ + ocsd_vaddr_t addr = (ocsd_vaddr_t)-1; + if (is_active()) + { + if (num_entries > 0) + { + addr = m_stack[head_idx].ret_addr; + isa = m_stack[head_idx].ret_isa; + head_idx--; + head_idx &= 0xF; + } + num_entries--; + LOG_POP(addr,1,isa); + m_pop_pending = false; + } + return addr; +} + + +void TrcAddrReturnStack::flush() +{ + num_entries = 0; + m_pop_pending = false; + LOG_FLUSH(); +} + +#ifdef TRC_RET_STACK_DEBUG +void TrcAddrReturnStack::LogOp(const char * pszOpString, ocsd_vaddr_t addr, int head_off, ocsd_isa isa) +{ + static const char *isa_names[] = + { + "A32", /**< V7 ARM 32, V8 AArch32 */ + "T32", /**< Thumb2 -> 16/32 bit instructions */ + "A64", /**< V8 AArch64 */ + "TEE", /**< Thumb EE - unsupported */ + "JZL", /**< Jazelle - unsupported in trace */ + "custom", /**< Instruction set - custom arch decoder */ + "unknown" /**< ISA not yet known */ + }; + + if (m_p_debug_logger) + { + std::ostringstream oss; + if(head_off == -1000) + { + oss << "Return stack " << pszOpString << "\n"; + } + else + { + int name_idx = (int)isa; + if (name_idx > 6) + name_idx = 6; + oss << "Return stack " << pszOpString << "[" << std::dec << (head_idx+head_off) << "](0x" << std::hex << addr << "), " << isa_names[name_idx] << ";"; + oss << "current entries = " << std::dec << num_entries << ";"; + oss << "new head idx = " << head_idx << ";"; + oss << "pop pend (pre op) = " << (m_pop_pending ? "true\n" : "false\n"); + } +#ifdef FORCE_STD_COUT + std::cout << oss.str(); + std::cout.flush(); +#endif + m_p_debug_logger->LogDefMessage(oss.str()); + } +} +#endif + +/* End of File trc_ret_stack.cpp */ |