mirror of https://github.com/acidanthera/audk.git
ShellPkg/Acpiview: Adds HPET parser
Adds HPET parse to the UefiShellAcpiViewCommandLib library. Cc: Zhichao Gao <zhichao.gao@intel.com> Cc: Pierre Gondois <pierre.gondois@arm.com> Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com> Reviewed-by: Pierre Gondois <pierre.gondois@arm.com> Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
This commit is contained in:
Abdul Lateef Attar
mergify[bot]
parent
7f1ffba5de
commit
4b9312de05
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@ -730,6 +730,23 @@ ParseAcpiHmat (
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IN UINT8 AcpiTableRevision
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);
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/**
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This function parses the ACPI HPET table.
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@param [in] Trace If TRUE, trace the ACPI fields.
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@param [in] Ptr Pointer to the start of the buffer.
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@param [in] AcpiTableLength Length of the ACPI table.
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@param [in] AcpiTableRevision Revision of the ACPI table.
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**/
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VOID
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EFIAPI
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ParseAcpiHpet (
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IN BOOLEAN Trace,
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IN UINT8 *Ptr,
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IN UINT32 AcpiTableLength,
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IN UINT8 AcpiTableRevision
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);
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/**
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This function parses the ACPI IORT table.
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When trace is enabled this function parses the IORT table and
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@ -0,0 +1,222 @@
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/** @file
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HPET table parser
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Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Reference(s):
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- HPET spec, version 1.0a
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**/
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#include <Library/UefiLib.h>
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#include "AcpiParser.h"
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STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;
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/**
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This function prints HPET page protection flags.
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If no format string is specified the Format must be NULL.
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@param [in] Format Optional format string for tracing the data.
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@param [in] Ptr Pointer to the start of the buffer.
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**/
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VOID
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EFIAPI
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DumpHpetPageProtectionFlag (
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IN CONST CHAR16 *Format OPTIONAL,
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IN UINT8 *Ptr
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)
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{
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if (Format != NULL) {
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Print (Format, *(UINT8 *)Ptr);
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return;
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}
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Print (L"0x%X ", *(UINT8 *)Ptr);
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switch (*Ptr) {
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case 0:
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Print (L"(no guarantee for page protection)");
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break;
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case 1:
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Print (L"(4K page protection)");
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break;
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case 2:
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Print (L"(64K page protection)");
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break;
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default:
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IncrementErrorCount ();
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Print (L"(OEM Reserved)");
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break;
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}
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return;
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}
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/**
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An ACPI_PARSER array describing the ACPI HPET flags.
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**/
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STATIC CONST ACPI_PARSER DumpHpetFlagParser[] = {
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{ L"Page Protection Flag", 4, 0, NULL, DumpHpetPageProtectionFlag, NULL, NULL, NULL },
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{ L"OEM Attributes", 4, 4, L"0x%x", NULL, NULL, NULL, NULL }
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};
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/**
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This function prints HPET Flags fields.
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If no format string is specified the Format must be NULL.
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@param [in] Format Optional format string for tracing the data.
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@param [in] Ptr Pointer to the start of the buffer.
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**/
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VOID
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EFIAPI
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DumpHpetFlag (
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IN CONST CHAR16 *Format OPTIONAL,
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IN UINT8 *Ptr
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)
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{
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if (Format != NULL) {
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Print (Format, *(UINT8 *)Ptr);
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return;
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}
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Print (L"0x%X\n", *(UINT8 *)Ptr);
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ParseAcpiBitFields (
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TRUE,
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2,
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NULL,
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Ptr,
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4,
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PARSER_PARAMS (DumpHpetFlagParser)
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);
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}
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/**
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This function prints HPET Counter size fields.
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If no format string is specified the Format must be NULL.
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@param [in] Format Optional format string for tracing the data.
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@param [in] Ptr Pointer to the start of the buffer.
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**/
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VOID
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EFIAPI
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DumpCounterSize (
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IN CONST CHAR16 *Format OPTIONAL,
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IN UINT8 *Ptr
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)
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{
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if (Format != NULL) {
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Print (Format, *(UINT32 *)Ptr);
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return;
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}
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Print (L"0x%X ", *(UINT32 *)Ptr);
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if (*Ptr == 0) {
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Print (L"(Max 32-bit counter size)");
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} else {
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Print (L"(Max 64-bit counter size)");
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}
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}
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/**
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This function validates the flags.
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@param [in] Ptr Pointer to the start of the field data.
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@param [in] Context Pointer to context specific information e.g. this
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could be a pointer to the ACPI table header.
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**/
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STATIC
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VOID
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EFIAPI
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ValidateHpetRevId (
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IN UINT8 *Ptr,
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IN VOID *Context
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)
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{
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if ((*(UINT8 *)Ptr) == 0) {
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IncrementErrorCount ();
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Print (
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L"\nERROR: HPET Hardware Rev ID must be set."
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);
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}
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}
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/**
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An ACPI_PARSER array describing the ACPI HPET Event Timer Block ID.
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**/
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STATIC CONST ACPI_PARSER HpetEventTimerBlockIdFlagParser[] = {
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{ L"Hardware Rev ID", 8, 0, L"0x%x", NULL, NULL, ValidateHpetRevId, NULL },
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{ L"Comparators in 1st Timer Block", 5, 8, L"0x%x", NULL, NULL, NULL, NULL },
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{ L"Counter max size", 1, 13, NULL, DumpCounterSize, NULL, NULL, NULL },
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{ L"Reserved", 1, 14, L"%d", NULL, NULL, NULL, NULL },
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{ L"LegacyReplacement IRQ Routing", 1, 15, L"%d", NULL, NULL, NULL, NULL },
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{ L"PCI Vendor ID of 1st Timer Block", 16, 16, L"0x%x", NULL, NULL, NULL, NULL }
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};
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/**
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This function prints Hardware ID of HPET Event timer block.
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If no format string is specified the Format must be NULL.
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@param [in] Format Optional format string for tracing the data.
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@param [in] Ptr Pointer to the start of the buffer.
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**/
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VOID
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EFIAPI
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DumpHpetEventTimerBlockId (
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IN CONST CHAR16 *Format OPTIONAL,
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IN UINT8 *Ptr
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)
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{
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if (Format != NULL) {
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Print (Format, *(UINT32 *)Ptr);
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return;
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}
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Print (L"0x%X\n", *(UINT32 *)Ptr);
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ParseAcpiBitFields (
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TRUE,
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2,
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NULL,
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Ptr,
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4,
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PARSER_PARAMS (HpetEventTimerBlockIdFlagParser)
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);
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}
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/**
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An ACPI_PARSER array describing the ACPI HPET Table.
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**/
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STATIC CONST ACPI_PARSER HpetParser[] = {
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PARSE_ACPI_HEADER (&AcpiHdrInfo),
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{ L"Event Timer Block ID", 4, 36, NULL, DumpHpetEventTimerBlockId, NULL, NULL, NULL },
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{ L"Base Address", 12, 40, NULL, DumpGas, NULL, NULL, NULL },
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{ L"HPET Number", 1, 52, L"0x%x", NULL, NULL, NULL, NULL },
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{ L"Minimum Clock Ticks", 2, 53, L"0x%x", NULL, NULL, NULL, NULL },
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{ L"Page Protection and OEM Attributes",1, 55, NULL, DumpHpetFlag, NULL, NULL, NULL }
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};
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/**
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This function parses the ACPI HPET table.
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@param [in] Trace If TRUE, trace the ACPI fields.
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@param [in] Ptr Pointer to the start of the buffer.
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@param [in] AcpiTableLength Length of the ACPI table.
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@param [in] AcpiTableRevision Revision of the ACPI table.
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**/
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VOID
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EFIAPI
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ParseAcpiHpet (
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IN BOOLEAN Trace,
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IN UINT8 *Ptr,
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IN UINT32 AcpiTableLength,
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IN UINT8 AcpiTableRevision
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)
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{
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ParseAcpi (
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Trace,
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0,
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"HPET",
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Ptr,
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AcpiTableLength,
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PARSER_PARAMS (HpetParser)
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);
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}
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@ -59,6 +59,7 @@ ACPI_TABLE_PARSER ParserList[] = {
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{ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE, ParseAcpiFadt },
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{ EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, ParseAcpiGtdt },
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{ EFI_ACPI_6_4_HETEROGENEOUS_MEMORY_ATTRIBUTE_TABLE_SIGNATURE, ParseAcpiHmat },
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{ EFI_ACPI_6_5_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE, ParseAcpiHpet },
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{ EFI_ACPI_6_2_IO_REMAPPING_TABLE_SIGNATURE, ParseAcpiIort },
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{ EFI_ACPI_6_2_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE, ParseAcpiMadt },
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{ EFI_ACPI_6_2_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
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@ -38,6 +38,7 @@
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Parsers/Fadt/FadtParser.c
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Parsers/Gtdt/GtdtParser.c
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Parsers/Hmat/HmatParser.c
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Parsers/Hpet/HpetParser.c
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Parsers/Iort/IortParser.c
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Parsers/Madt/MadtParser.c
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Parsers/Madt/MadtParser.h
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