From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- tools/perf/util/cs-etm-decoder/cs-etm-decoder.h | 108 ++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 tools/perf/util/cs-etm-decoder/cs-etm-decoder.h (limited to 'tools/perf/util/cs-etm-decoder/cs-etm-decoder.h') diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h new file mode 100644 index 000000000..612b5755f --- /dev/null +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h @@ -0,0 +1,108 @@ +/* + * SPDX-License-Identifier: GPL-2.0 + * + * Copyright(C) 2015-2018 Linaro Limited. + * + * Author: Tor Jeremiassen + * Author: Mathieu Poirier + */ + +#ifndef INCLUDE__CS_ETM_DECODER_H__ +#define INCLUDE__CS_ETM_DECODER_H__ + +#include +#include + +struct cs_etm_decoder; + +struct cs_etm_buffer { + const unsigned char *buf; + size_t len; + u64 offset; + u64 ref_timestamp; +}; + +enum cs_etm_sample_type { + CS_ETM_EMPTY = 0, + CS_ETM_RANGE = 1 << 0, + CS_ETM_TRACE_ON = 1 << 1, +}; + +struct cs_etm_packet { + enum cs_etm_sample_type sample_type; + u64 start_addr; + u64 end_addr; + u8 last_instr_taken_branch; + u8 exc; + u8 exc_ret; + int cpu; +}; + +struct cs_etm_queue; + +typedef u32 (*cs_etm_mem_cb_type)(struct cs_etm_queue *, u64, + size_t, u8 *); + +struct cs_etmv4_trace_params { + u32 reg_idr0; + u32 reg_idr1; + u32 reg_idr2; + u32 reg_idr8; + u32 reg_configr; + u32 reg_traceidr; +}; + +struct cs_etm_trace_params { + int protocol; + union { + struct cs_etmv4_trace_params etmv4; + }; +}; + +struct cs_etm_decoder_params { + int operation; + void (*packet_printer)(const char *msg); + cs_etm_mem_cb_type mem_acc_cb; + u8 formatted; + u8 fsyncs; + u8 hsyncs; + u8 frame_aligned; + void *data; +}; + +/* + * The following enums are indexed starting with 1 to align with the + * open source coresight trace decoder library. + */ +enum { + CS_ETM_PROTO_ETMV3 = 1, + CS_ETM_PROTO_ETMV4i, + CS_ETM_PROTO_ETMV4d, +}; + +enum { + CS_ETM_OPERATION_PRINT = 1, + CS_ETM_OPERATION_DECODE, +}; + +int cs_etm_decoder__process_data_block(struct cs_etm_decoder *decoder, + u64 indx, const u8 *buf, + size_t len, size_t *consumed); + +struct cs_etm_decoder * +cs_etm_decoder__new(int num_cpu, + struct cs_etm_decoder_params *d_params, + struct cs_etm_trace_params t_params[]); + +void cs_etm_decoder__free(struct cs_etm_decoder *decoder); + +int cs_etm_decoder__add_mem_access_cb(struct cs_etm_decoder *decoder, + u64 start, u64 end, + cs_etm_mem_cb_type cb_func); + +int cs_etm_decoder__get_packet(struct cs_etm_decoder *decoder, + struct cs_etm_packet *packet); + +int cs_etm_decoder__reset(struct cs_etm_decoder *decoder); + +#endif /* INCLUDE__CS_ETM_DECODER_H__ */ -- cgit v1.2.3