diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SourceLevelDebugPkg/Include/TransferProtocol.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/SourceLevelDebugPkg/Include/TransferProtocol.h | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SourceLevelDebugPkg/Include/TransferProtocol.h b/src/VBox/Devices/EFI/Firmware/SourceLevelDebugPkg/Include/TransferProtocol.h new file mode 100644 index 00000000..daf65dec --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SourceLevelDebugPkg/Include/TransferProtocol.h @@ -0,0 +1,370 @@ +/** @file + Transfer protocol definitions used by debug agent and host. It is only + intended to be used by Debug related module implementation. + + Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __TRANSFER_PROTOCOL_H__ +#define __TRANSFER_PROTOCOL_H__ + +#include "ProcessorContext.h" + +// +// Current revision of transfer protocol +// 0.4: Packet compression and decompression. +// +#define DEBUG_AGENT_REVISION_03 ((0 << 16) | 03) +#define DEBUG_AGENT_REVISION_04 ((0 << 16) | 04) +#define DEBUG_AGENT_CAPABILITIES 0 + +// +// Definitions for the (A)ttach command +// +#define DEBUG_STARTING_SYMBOL_ATTACH (0xFA) + +// +// Definition for starting symbol of a normal debug packet. Choose a non-ASCII to avoid conflict with other serial output. +// +#define DEBUG_STARTING_SYMBOL_NORMAL (0xFE) + +// +// Definition for starting symbol of a (C)ompressed debug packet. Choose a non-ASCII to avoid conflict with other serial output. +// +#define DEBUG_STARTING_SYMBOL_COMPRESS (0xFC) + +#pragma pack(1) + +// +// Definition for debug packet header for debug packets (not including attach command) +// +typedef struct { + UINT8 StartSymbol; + UINT8 Command; + UINT8 Length; // Length of Debug Packet including header and payload in byte + UINT8 SequenceNo; + UINT16 Crc; +} DEBUG_PACKET_HEADER; + +// +// Definition for Command field for debug packets +// +#define DEBUG_COMMAND_REQUEST (0 << 7) +#define DEBUG_COMMAND_RESPONSE (1 << 7) + +#define IS_REQUEST(x) (((x)->Command & DEBUG_COMMAND_RESPONSE) == 0) + +// +// HOST initiated commands +// +#define DEBUG_COMMAND_RESET (DEBUG_COMMAND_REQUEST | 0x00) +#define DEBUG_COMMAND_GO (DEBUG_COMMAND_REQUEST | 0x01) +#define DEBUG_COMMAND_BREAK_CAUSE (DEBUG_COMMAND_REQUEST | 0x02) +#define DEBUG_COMMAND_SET_HW_BREAKPOINT (DEBUG_COMMAND_REQUEST | 0x03) +#define DEBUG_COMMAND_CLEAR_HW_BREAKPOINT (DEBUG_COMMAND_REQUEST | 0x04) +#define DEBUG_COMMAND_SINGLE_STEPPING (DEBUG_COMMAND_REQUEST | 0x05) +#define DEBUG_COMMAND_SET_SW_BREAKPOINT (DEBUG_COMMAND_REQUEST | 0x06) +#define DEBUG_COMMAND_READ_MEMORY (DEBUG_COMMAND_REQUEST | 0x07) +#define DEBUG_COMMAND_WRITE_MEMORY (DEBUG_COMMAND_REQUEST | 0x08) +#define DEBUG_COMMAND_READ_IO (DEBUG_COMMAND_REQUEST | 0x09) +#define DEBUG_COMMAND_WRITE_IO (DEBUG_COMMAND_REQUEST | 0x0A) +#define DEBUG_COMMAND_READ_REGISTER (DEBUG_COMMAND_REQUEST | 0x0B) +#define DEBUG_COMMAND_WRITE_REGISTER (DEBUG_COMMAND_REQUEST | 0x0C) +#define DEBUG_COMMAND_READ_ALL_REGISTERS (DEBUG_COMMAND_REQUEST | 0x0D) +#define DEBUG_COMMAND_ARCH_MODE (DEBUG_COMMAND_REQUEST | 0x0E) +#define DEBUG_COMMAND_READ_MSR (DEBUG_COMMAND_REQUEST | 0x0F) +#define DEBUG_COMMAND_WRITE_MSR (DEBUG_COMMAND_REQUEST | 0x10) +#define DEBUG_COMMAND_SET_DEBUG_SETTING (DEBUG_COMMAND_REQUEST | 0x11) +#define DEBUG_COMMAND_GET_REVISION (DEBUG_COMMAND_REQUEST | 0x12) +#define DEBUG_COMMAND_GET_EXCEPTION (DEBUG_COMMAND_REQUEST | 0x13) +#define DEBUG_COMMAND_SET_VIEWPOINT (DEBUG_COMMAND_REQUEST | 0x14) +#define DEBUG_COMMAND_GET_VIEWPOINT (DEBUG_COMMAND_REQUEST | 0x15) +#define DEBUG_COMMAND_DETACH (DEBUG_COMMAND_REQUEST | 0x16) +#define DEBUG_COMMAND_CPUID (DEBUG_COMMAND_REQUEST | 0x17) +#define DEBUG_COMMAND_SEARCH_SIGNATURE (DEBUG_COMMAND_REQUEST | 0x18) +#define DEBUG_COMMAND_HALT (DEBUG_COMMAND_REQUEST | 0x19) + +// +// TARGET initiated commands +// +#define DEBUG_COMMAND_INIT_BREAK (DEBUG_COMMAND_REQUEST | 0x3F) +#define DEBUG_COMMAND_BREAK_POINT (DEBUG_COMMAND_REQUEST | 0x3E) +#define DEBUG_COMMAND_MEMORY_READY (DEBUG_COMMAND_REQUEST | 0x3D) +#define DEBUG_COMMAND_PRINT_MESSAGE (DEBUG_COMMAND_REQUEST | 0x3C) +#define DEBUG_COMMAND_ATTACH_BREAK (DEBUG_COMMAND_REQUEST | 0x3B) + +// +// Response commands +// +#define DEBUG_COMMAND_OK (DEBUG_COMMAND_RESPONSE | 0x00) +#define DEBUG_COMMAND_RESEND (DEBUG_COMMAND_RESPONSE | 0x01) +#define DEBUG_COMMAND_ABORT (DEBUG_COMMAND_RESPONSE | 0x02) +// +// The below 2 commands are used when transferring big data (like > ~250 bytes). +// The sequence is: +// HOST TARGET +// Request => +// <= IN_PROGRESS with partial data +// CONTINUE => +// (could have multiple IN_PROGRESS and CONTINUE interactions) +// <= OK with the last part of data +// OK (no data as ACK) => +// +#define DEBUG_COMMAND_IN_PROGRESS (DEBUG_COMMAND_RESPONSE | 0x03) +#define DEBUG_COMMAND_CONTINUE (DEBUG_COMMAND_RESPONSE | 0x04) +// +// The below 2 commands are used to support deferred halt: +// TARGET returns HALT_DEFERRED when it receives a HALT request in inter-active mode. +// TARGET returns HALT_PROCESSED when it receives a GO request and has a pending HALT request. +// +#define DEBUG_COMMAND_HALT_DEFERRED (DEBUG_COMMAND_RESPONSE | 0x05) +#define DEBUG_COMMAND_HALT_PROCESSED (DEBUG_COMMAND_RESPONSE | 0x06) + +#define DEBUG_COMMAND_TIMEOUT (DEBUG_COMMAND_RESPONSE | 0x07) +#define DEBUG_COMMAND_NOT_SUPPORTED (DEBUG_COMMAND_RESPONSE | 0x0F) + +// +// Definition for data field for debug packets +// +#define DEBUG_DATA_UPPER_LIMIT 0xff // Upper limit for the data size, by the limit of the packet header definition. + +#define DEBUG_DATA_MAXIMUM_REAL_DATA (DEBUG_DATA_UPPER_LIMIT - sizeof (DEBUG_PACKET_HEADER)) + +// +// Response data for DEBUG_COMMAND_BREAK_CAUSE +// +typedef struct { + UINT8 Cause; + UINT64 StopAddress; +} DEBUG_DATA_RESPONSE_BREAK_CAUSE; +// +// Break type definitions for DEBUG_DATA_BREAK_CAUSE +// +#define DEBUG_DATA_BREAK_CAUSE_UNKNOWN 0 +#define DEBUG_DATA_BREAK_CAUSE_HW_BREAKPOINT 1 +#define DEBUG_DATA_BREAK_CAUSE_STEPPING 2 +#define DEBUG_DATA_BREAK_CAUSE_SW_BREAKPOINT 3 +#define DEBUG_DATA_BREAK_CAUSE_USER_HALT 4 +#define DEBUG_DATA_BREAK_CAUSE_IMAGE_LOAD 5 +#define DEBUG_DATA_BREAK_CAUSE_IMAGE_UNLOAD 6 +#define DEBUG_DATA_BREAK_CAUSE_SYSTEM_RESET 7 +#define DEBUG_DATA_BREAK_CAUSE_EXCEPTION 8 +#define DEBUG_DATA_BREAK_CAUSE_MEMORY_READY 9 + +// +// Response data for DEBUG_COMMAND_ARCH_MODE, defined as SOFT_DEBUGGER_PROCESSOR_... +// +typedef struct { + UINT8 CpuMode; +} DEBUG_DATA_RESPONSE_ARCH_MODE; +// +// Cpu architecture definitions for DEBUG_DATA_RESPONSE_ARCH_MODE +// +#define DEBUG_DATA_BREAK_CPU_ARCH_IA16 0 +#define DEBUG_DATA_BREAK_CPU_ARCH_IA32 1 +#define DEBUG_DATA_BREAK_CPU_ARCH_X64 2 + +typedef struct { + UINT8 Length:2; // Refer to below DEBUG_DATA_BREAKPOINT_LENGTH_XX macros + UINT8 Access:2; // Refer to below DEBUG_DATA_BREAKPOINT_ACCESS_XX macros + UINT8 Index:2; // Index of debug register + UINT8 Reserved:2; +} DEBUG_DATA_BREAKPOINT_TYPE; +#define DEBUG_DATA_BREAKPOINT_MEMORY_ACCESS (0x3) +#define DEBUG_DATA_BREAKPOINT_IO_ACCESS (0x2) +#define DEBUG_DATA_BREAKPOINT_MEMORY_WRITE (0x1) +#define DEBUG_DATA_BREAKPOINT_MEMORY_EXECUTE (0x0) +#define DEBUG_DATA_BREAKPOINT_LENGTH_32 (0x3) +#define DEBUG_DATA_BREAKPOINT_LENGTH_64 (0x2) +#define DEBUG_DATA_BREAKPOINT_LENGTH_16 (0x1) +#define DEBUG_DATA_BREAKPOINT_LENGTH_8 (0x0) + +// +// Request data for DEBUG_COMMAND_SET_HW_BREAKPOINT +// +typedef struct { + DEBUG_DATA_BREAKPOINT_TYPE Type; + UINT64 Address; +} DEBUG_DATA_SET_HW_BREAKPOINT; + +// +// Request data for DEBUG_COMMAND_CLEAR_HW_BREAKPOINT +// +typedef struct { + UINT8 IndexMask; // 0x0f will clear all hw breakpoints +} DEBUG_DATA_CLEAR_HW_BREAKPOINT; + +// +// Request and response data for DEBUG_COMMAND_SET_SW_BREAKPOINT +// +typedef struct { + UINT64 Address; +} DEBUG_DATA_SET_SW_BREAKPOINT; + +typedef struct { + UINT8 OriginalData; +} DEBUG_DATA_RESPONSE_SET_SW_BREAKPOINT; + +// +// Request data for DEBUG_COMMAND_READ_MEMORY +// +typedef struct { + UINT64 Address; + UINT8 Width; + UINT16 Count; +} DEBUG_DATA_READ_MEMORY; + +// +// Request data for DEBUG_COMMAND_WRITE_MEMORY +// +typedef struct { + UINT64 Address; + UINT8 Width; + UINT16 Count; + UINT8 Data[1]; // The actual length is (Width * Count) +} DEBUG_DATA_WRITE_MEMORY; + +// +// Request and response data for DEBUG_COMMAND_READ_IO +// +typedef struct { + UINT64 Port; + UINT8 Width; +} DEBUG_DATA_READ_IO; + +typedef struct { + UINT8 Data[1]; // The actual length depends on the packet header +} DEBUG_DATA_RESPONSE_READ_IO; + +// +// Request data for DEBUG_COMMAND_WRITE_IO +// +typedef struct { + UINT64 Port; + UINT8 Width; + UINT8 Data[1]; // The actual length is Width +} DEBUG_DATA_WRITE_IO; + +// +// Request data for DEBUG_COMMAND_READ_REGISTER +// +typedef struct { + UINT8 Index; // defined as SOFT_DEBUGGER_REGISTER_XX +} DEBUG_DATA_READ_REGISTER; + +// +// Request data for DEBUG_COMMAND_WRITE_REGISTER +// +typedef struct { + UINT8 Index; // defined as SOFT_DEBUGGER_REGISTER_XX + UINT8 Length; + UINT8 Data[1]; // The actual length is Length +} DEBUG_DATA_WRITE_REGISTER; + +// +// Request and response data for DEBUG_COMMAND_READ_MSR +// +typedef struct { + UINT32 Index; +} DEBUG_DATA_READ_MSR; + +typedef struct { + UINT64 Value; +} DEBUG_DATA_RESPONSE_READ_MSR; + +// +// Request data for DEBUG_COMMAND_WRITE_MSR +// +typedef struct { + UINT32 Index; + UINT64 Value; +} DEBUG_DATA_WRITE_MSR; + +// +// Response data for DEBUG_COMMAND_GET_REVISION +// +typedef struct { + UINT32 Revision; + UINT32 Capabilities; +} DEBUG_DATA_RESPONSE_GET_REVISION; + +// +// Response data for DEBUG_COMMAND_GET_EXCEPTION +// +typedef struct { + UINT8 ExceptionNum; + UINT32 ExceptionData; +} DEBUG_DATA_RESPONSE_GET_EXCEPTION; + +// +// Request data for DEBUG_DATA_SET_DEBUG_SETTING +// +typedef struct { + UINT8 Key; + UINT8 Value; +} DEBUG_DATA_SET_DEBUG_SETTING; +// +// Supported keys +// +#define DEBUG_AGENT_SETTING_SMM_ENTRY_BREAK 1 +#define DEBUG_AGENT_SETTING_PRINT_ERROR_LEVEL 2 +#define DEBUG_AGENT_SETTING_BOOT_SCRIPT_ENTRY_BREAK 3 +// +// Bitmask of print error level for debug message +// +#define DEBUG_AGENT_ERROR BIT0 +#define DEBUG_AGENT_WARNING BIT1 +#define DEBUG_AGENT_INFO BIT2 +#define DEBUG_AGENT_VERBOSE BIT3 + +// +// Request data for DEBUG_COMMAND_SET_VIEWPOINT +// +typedef struct { + UINT32 ViewPoint; // The index of viewpoint will be set +} DEBUG_DATA_SET_VIEWPOINT; + +// +// Response data for DEBUG_COMMAND_GET_VIEWPOINT +// +typedef struct { + UINT32 ViewPoint; // The index of viewpoint will be returned +} DEBUG_DATA_RESPONSE_GET_VIEWPOINT; + +// +// Request and response data for DEBUG_COMMAND_CPUID +// +typedef struct { + UINT32 Eax; // The value of EAX prior to invoking the CPUID instruction + UINT32 Ecx; // The value of ECX prior to invoking the CPUID instruction +} DEBUG_DATA_CPUID; + +typedef struct { + UINT32 Eax; // The value of EAX returned by the CPUID instruction + UINT32 Ebx; // The value of EBX returned by the CPUID instruction + UINT32 Ecx; // The value of ECX returned by the CPUID instruction + UINT32 Edx; // The value of EDX returned by the CPUID instruction +} DEBUG_DATA_RESPONSE_CPUID; + +// +// Request and response data for DEBUG_COMMAND_SEARCH_SIGNATURE +// +typedef struct { + UINT64 Start; + UINT32 Count; + UINT32 Alignment; + BOOLEAN Positive; // TRUE to search in higher address memory + UINT8 DataLength; + UINT8 Data[1]; +} DEBUG_DATA_SEARCH_SIGNATURE; + +typedef struct { + UINT64 Address; // -1 indicates not found +} DEBUG_DATA_RESPONSE_SEARCH_SIGNATURE; + +#pragma pack() + +#endif + |