diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst')
| -rw-r--r-- | ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst/ErstParser.c | 556 |
1 files changed, 278 insertions, 278 deletions
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst/ErstParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst/ErstParser.c index f3ae09309c..6fd0f5abfc 100644 --- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst/ErstParser.c +++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Erst/ErstParser.c @@ -1,278 +1,278 @@ -/** @file
- ERST table parser
-
- Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
- Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- @par Reference(s):
- - ACPI 6.5 Specification - August 2022
-**/
-
-#include <IndustryStandard/Acpi.h>
-#include <Library/UefiLib.h>
-#include "AcpiParser.h"
-#include "AcpiTableParser.h"
-
-// Local variables
-STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;
-STATIC UINT32 *InstructionEntryCount;
-
-/**
- An array of strings describing the Erst actions
-**/
-STATIC CONST CHAR16 *ErstActionTable[] = {
- L"BEGIN_WRITE_OPERATION",
- L"BEGIN_READ_OPERATION",
- L"BEGIN_CLEAR_OPERATION",
- L"END_OPERATION",
- L"SET_RECORD_OFFSET",
- L"EXECUTE_OPERATION",
- L"CHECK_BUSY_STATUS",
- L"GET_COMMAND_STATUS",
- L"GET_RECORD_IDENTIFIER",
- L"SET_RECORD_IDENTIFIER",
- L"GET_RECORD_COUNT",
- L"BEGIN_DUMMY_WRITE_OPERATION",
- L"RESERVED",
- L"GET_ERROR_LOG_ADDRESS_RANGE",
- L"GET_ERROR_LOG_ADDRESS_RANGE_LENGTH",
- L"GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES",
- L"GET_EXECUTE_OPERATION_TIMINGS"
-};
-
-/**
- An array of strings describing the Erst instructions
-**/
-STATIC CONST CHAR16 *ErstInstructionTable[] = {
- L"READ_REGISTER",
- L"READ_REGISTER_VALUE",
- L"WRITE_REGISTER",
- L"WRITE_REGISTER_VALUE",
- L"NOOP",
- L"LOAD_VAR1",
- L"LOAD_VAR2",
- L"STORE_VAR1",
- L"ADD",
- L"SUBTRACT",
- L"ADD_VALUE",
- L"SUBTRACT_VALUE",
- L"STALL",
- L"STALL_WHILE_TRUE",
- L"SKIP_NEXT_INSTRUCTION_IF_TRUE",
- L"GOTO",
- L"SET_SRC_ADDRESS_BASE",
- L"SET_DST_ADDRESS_BASE",
- L"MOVE_DATA"
-};
-
-/**
- Validate Erst action.
-
- @param [in] Ptr Pointer to the start of the field data.
- @param [in] Context Pointer to context specific information e.g. this
- could be a pointer to the ACPI table header.
-**/
-STATIC
-VOID
-EFIAPI
-ValidateErstAction (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- if (*Ptr > EFI_ACPI_6_4_ERST_GET_EXECUTE_OPERATION_TIMINGS) {
- IncrementErrorCount ();
- Print (L"\nError: 0x%02x is not a valid action encoding", *Ptr);
- }
-}
-
-/**
- Validate Erst instruction.
-
- @param [in] Ptr Pointer to the start of the field data.
- @param [in] Context Pointer to context specific information e.g. this
- could be a pointer to the ACPI table header.
-**/
-STATIC
-VOID
-EFIAPI
-ValidateErstInstruction (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- if (*Ptr > EFI_ACPI_6_4_ERST_MOVE_DATA) {
- IncrementErrorCount ();
- Print (L"\nError: 0x%02x is not a valid instruction encoding", *Ptr);
- }
-}
-
-/**
- Validate Erst flags.
-
- @param [in] Ptr Pointer to the start of the field data.
- @param [in] Context Pointer to context specific information e.g. this
- could be a pointer to the ACPI table header.
-**/
-STATIC
-VOID
-EFIAPI
-ValidateErstFlags (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- if ((*Ptr & 0xfe) != 0) {
- IncrementErrorCount ();
- Print (L"\nError: Reserved Flag bits not set to 0");
- }
-}
-
-/**
- Looks up and prints the string corresponding to the index.
-
- @param [in] Table Lookup table.
- @param [in] Index Entry to print.
- @param [in] NumEntries Number of valid entries in the table.
-**/
-STATIC
-VOID
-EFIAPI
-FormatByte (
- IN CONST CHAR16 *Table[],
- IN UINT8 Index,
- IN UINT8 NumEntries
- )
-{
- CONST CHAR16 *String;
-
- if (Index < NumEntries) {
- String = Table[Index];
- } else {
- String = L"**INVALID**";
- }
-
- Print (
- L"0x%02x (%s)",
- Index,
- String
- );
-}
-
-/**
- Prints the Erst Action.
-
- @param [in] Format Optional format string for tracing the data.
- @param [in] Ptr Pointer to the Action byte.
-**/
-STATIC
-VOID
-EFIAPI
-DumpErstAction (
- IN CONST CHAR16 *Format OPTIONAL,
- IN UINT8 *Ptr
- )
-{
- FormatByte (ErstActionTable, *Ptr, ARRAY_SIZE (ErstActionTable));
-}
-
-/**
- Prints the Erst Instruction.
-
- @param [in] Format Optional format string for tracing the data.
- @param [in] Ptr Pointer to the Instruction byte.
-**/
-STATIC
-VOID
-EFIAPI
-DumpErstInstruction (
- IN CONST CHAR16 *Format OPTIONAL,
- IN UINT8 *Ptr
- )
-{
- FormatByte (ErstInstructionTable, *Ptr, ARRAY_SIZE (ErstInstructionTable));
-}
-
-/**
- An ACPI_PARSER array describing the ACPI ERST Table.
-**/
-STATIC CONST ACPI_PARSER ErstParser[] = {
- PARSE_ACPI_HEADER (&AcpiHdrInfo),
- { L"Serialization Header Size", 4, 36, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Reserved", 4, 40, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Instruction Entry Count", 4, 44, L"0x%x", NULL, (VOID **)&InstructionEntryCount, NULL, NULL }
-};
-
-/**
- An ACPI_PARSER array describing the Serialization Instruction Entry structure.
-**/
-STATIC CONST ACPI_PARSER SerializationInstructionEntryParser[] = {
- { L"Serialization Action", 1, 0, L"0x%x", DumpErstAction, NULL, ValidateErstAction, NULL },
- { L"Instruction", 1, 1, L"0x%x", DumpErstInstruction, NULL, ValidateErstInstruction, NULL },
- { L"Flags", 1, 2, L"0x%x", NULL, NULL, ValidateErstFlags, NULL },
- { L"Reserved", 1, 3, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Register Region", 12, 4, NULL, DumpGas, NULL, NULL, NULL },
- { L"Value", 8, 16, L"0x%llx", NULL, NULL, NULL, NULL },
- { L"Mask", 8, 24, L"0x%llx", NULL, NULL, NULL, NULL }
-};
-
-/**
- This function parses the ACPI ERST table.
- When trace is enabled this function parses the ERST table and
- traces the ACPI table fields.
-
- This function also performs validation of the ACPI table fields.
-
- @param [in] Trace If TRUE, trace the ACPI fields.
- @param [in] Ptr Pointer to the start of the buffer.
- @param [in] AcpiTableLength Length of the ACPI table.
- @param [in] AcpiTableRevision Revision of the ACPI table.
-**/
-VOID
-EFIAPI
-ParseAcpiErst (
- IN BOOLEAN Trace,
- IN UINT8 *Ptr,
- IN UINT32 AcpiTableLength,
- IN UINT8 AcpiTableRevision
- )
-{
- UINT32 Offset;
-
- if (!Trace) {
- return;
- }
-
- Offset = ParseAcpi (
- Trace,
- 0,
- "ERST",
- Ptr,
- AcpiTableLength,
- PARSER_PARAMS (ErstParser)
- );
-
- if (sizeof (EFI_ACPI_6_4_ERST_SERIALIZATION_INSTRUCTION_ENTRY)*(*InstructionEntryCount) != (AcpiTableLength - Offset)) {
- IncrementErrorCount ();
- Print (
- L"ERROR: Invalid InstructionEntryCount. " \
- L"Count = %d. Offset = %d. AcpiTableLength = %d.\n",
- *InstructionEntryCount,
- Offset,
- AcpiTableLength
- );
- return;
- }
-
- while (Offset < AcpiTableLength) {
- Offset += ParseAcpi (
- Trace,
- 2,
- "Serialization Action",
- Ptr + Offset,
- (AcpiTableLength - Offset),
- PARSER_PARAMS (SerializationInstructionEntryParser)
- );
- }
-}
+/** @file + ERST table parser + + Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. + Copyright (c) 2016 - 2018, ARM Limited. All rights reserved. + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Reference(s): + - ACPI 6.5 Specification - August 2022 +**/ + +#include <IndustryStandard/Acpi.h> +#include <Library/UefiLib.h> +#include "AcpiParser.h" +#include "AcpiTableParser.h" + +// Local variables +STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo; +STATIC UINT32 *InstructionEntryCount; + +/** + An array of strings describing the Erst actions +**/ +STATIC CONST CHAR16 *ErstActionTable[] = { + L"BEGIN_WRITE_OPERATION", + L"BEGIN_READ_OPERATION", + L"BEGIN_CLEAR_OPERATION", + L"END_OPERATION", + L"SET_RECORD_OFFSET", + L"EXECUTE_OPERATION", + L"CHECK_BUSY_STATUS", + L"GET_COMMAND_STATUS", + L"GET_RECORD_IDENTIFIER", + L"SET_RECORD_IDENTIFIER", + L"GET_RECORD_COUNT", + L"BEGIN_DUMMY_WRITE_OPERATION", + L"RESERVED", + L"GET_ERROR_LOG_ADDRESS_RANGE", + L"GET_ERROR_LOG_ADDRESS_RANGE_LENGTH", + L"GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES", + L"GET_EXECUTE_OPERATION_TIMINGS" +}; + +/** + An array of strings describing the Erst instructions +**/ +STATIC CONST CHAR16 *ErstInstructionTable[] = { + L"READ_REGISTER", + L"READ_REGISTER_VALUE", + L"WRITE_REGISTER", + L"WRITE_REGISTER_VALUE", + L"NOOP", + L"LOAD_VAR1", + L"LOAD_VAR2", + L"STORE_VAR1", + L"ADD", + L"SUBTRACT", + L"ADD_VALUE", + L"SUBTRACT_VALUE", + L"STALL", + L"STALL_WHILE_TRUE", + L"SKIP_NEXT_INSTRUCTION_IF_TRUE", + L"GOTO", + L"SET_SRC_ADDRESS_BASE", + L"SET_DST_ADDRESS_BASE", + L"MOVE_DATA" +}; + +/** + Validate Erst action. + + @param [in] Ptr Pointer to the start of the field data. + @param [in] Context Pointer to context specific information e.g. this + could be a pointer to the ACPI table header. +**/ +STATIC +VOID +EFIAPI +ValidateErstAction ( + IN UINT8 *Ptr, + IN VOID *Context + ) +{ + if (*Ptr > EFI_ACPI_6_4_ERST_GET_EXECUTE_OPERATION_TIMINGS) { + IncrementErrorCount (); + Print (L"\nError: 0x%02x is not a valid action encoding", *Ptr); + } +} + +/** + Validate Erst instruction. + + @param [in] Ptr Pointer to the start of the field data. + @param [in] Context Pointer to context specific information e.g. this + could be a pointer to the ACPI table header. +**/ +STATIC +VOID +EFIAPI +ValidateErstInstruction ( + IN UINT8 *Ptr, + IN VOID *Context + ) +{ + if (*Ptr > EFI_ACPI_6_4_ERST_MOVE_DATA) { + IncrementErrorCount (); + Print (L"\nError: 0x%02x is not a valid instruction encoding", *Ptr); + } +} + +/** + Validate Erst flags. + + @param [in] Ptr Pointer to the start of the field data. + @param [in] Context Pointer to context specific information e.g. this + could be a pointer to the ACPI table header. +**/ +STATIC +VOID +EFIAPI +ValidateErstFlags ( + IN UINT8 *Ptr, + IN VOID *Context + ) +{ + if ((*Ptr & 0xfe) != 0) { + IncrementErrorCount (); + Print (L"\nError: Reserved Flag bits not set to 0"); + } +} + +/** + Looks up and prints the string corresponding to the index. + + @param [in] Table Lookup table. + @param [in] Index Entry to print. + @param [in] NumEntries Number of valid entries in the table. +**/ +STATIC +VOID +EFIAPI +FormatByte ( + IN CONST CHAR16 *Table[], + IN UINT8 Index, + IN UINT8 NumEntries + ) +{ + CONST CHAR16 *String; + + if (Index < NumEntries) { + String = Table[Index]; + } else { + String = L"**INVALID**"; + } + + Print ( + L"0x%02x (%s)", + Index, + String + ); +} + +/** + Prints the Erst Action. + + @param [in] Format Optional format string for tracing the data. + @param [in] Ptr Pointer to the Action byte. +**/ +STATIC +VOID +EFIAPI +DumpErstAction ( + IN CONST CHAR16 *Format OPTIONAL, + IN UINT8 *Ptr + ) +{ + FormatByte (ErstActionTable, *Ptr, ARRAY_SIZE (ErstActionTable)); +} + +/** + Prints the Erst Instruction. + + @param [in] Format Optional format string for tracing the data. + @param [in] Ptr Pointer to the Instruction byte. +**/ +STATIC +VOID +EFIAPI +DumpErstInstruction ( + IN CONST CHAR16 *Format OPTIONAL, + IN UINT8 *Ptr + ) +{ + FormatByte (ErstInstructionTable, *Ptr, ARRAY_SIZE (ErstInstructionTable)); +} + +/** + An ACPI_PARSER array describing the ACPI ERST Table. +**/ +STATIC CONST ACPI_PARSER ErstParser[] = { + PARSE_ACPI_HEADER (&AcpiHdrInfo), + { L"Serialization Header Size", 4, 36, L"0x%x", NULL, NULL, NULL, NULL }, + { L"Reserved", 4, 40, L"0x%x", NULL, NULL, NULL, NULL }, + { L"Instruction Entry Count", 4, 44, L"0x%x", NULL, (VOID **)&InstructionEntryCount, NULL, NULL } +}; + +/** + An ACPI_PARSER array describing the Serialization Instruction Entry structure. +**/ +STATIC CONST ACPI_PARSER SerializationInstructionEntryParser[] = { + { L"Serialization Action", 1, 0, L"0x%x", DumpErstAction, NULL, ValidateErstAction, NULL }, + { L"Instruction", 1, 1, L"0x%x", DumpErstInstruction, NULL, ValidateErstInstruction, NULL }, + { L"Flags", 1, 2, L"0x%x", NULL, NULL, ValidateErstFlags, NULL }, + { L"Reserved", 1, 3, L"0x%x", NULL, NULL, NULL, NULL }, + { L"Register Region", 12, 4, NULL, DumpGas, NULL, NULL, NULL }, + { L"Value", 8, 16, L"0x%llx", NULL, NULL, NULL, NULL }, + { L"Mask", 8, 24, L"0x%llx", NULL, NULL, NULL, NULL } +}; + +/** + This function parses the ACPI ERST table. + When trace is enabled this function parses the ERST table and + traces the ACPI table fields. + + This function also performs validation of the ACPI table fields. + + @param [in] Trace If TRUE, trace the ACPI fields. + @param [in] Ptr Pointer to the start of the buffer. + @param [in] AcpiTableLength Length of the ACPI table. + @param [in] AcpiTableRevision Revision of the ACPI table. +**/ +VOID +EFIAPI +ParseAcpiErst ( + IN BOOLEAN Trace, + IN UINT8 *Ptr, + IN UINT32 AcpiTableLength, + IN UINT8 AcpiTableRevision + ) +{ + UINT32 Offset; + + if (!Trace) { + return; + } + + Offset = ParseAcpi ( + Trace, + 0, + "ERST", + Ptr, + AcpiTableLength, + PARSER_PARAMS (ErstParser) + ); + + if (sizeof (EFI_ACPI_6_4_ERST_SERIALIZATION_INSTRUCTION_ENTRY)*(*InstructionEntryCount) != (AcpiTableLength - Offset)) { + IncrementErrorCount (); + Print ( + L"ERROR: Invalid InstructionEntryCount. " \ + L"Count = %d. Offset = %d. AcpiTableLength = %d.\n", + *InstructionEntryCount, + Offset, + AcpiTableLength + ); + return; + } + + while (Offset < AcpiTableLength) { + Offset += ParseAcpi ( + Trace, + 2, + "Serialization Action", + Ptr + Offset, + (AcpiTableLength - Offset), + PARSER_PARAMS (SerializationInstructionEntryParser) + ); + } +} |
