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-rw-r--r--ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c766
1 files changed, 383 insertions, 383 deletions
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
index abc58d6552..a260007d18 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Fadt/FadtParser.c
@@ -1,383 +1,383 @@
-/** @file
- FADT table parser
-
- Copyright (c) 2016 - 2020, ARM Limited. All rights reserved.
- Copyright (c) 2022, AMD Incorporated. All rights reserved.
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- @par Reference(s):
- - ACPI 6.3 Specification - January 2019
-**/
-
-#include <IndustryStandard/Acpi.h>
-#include <Library/UefiLib.h>
-#include "AcpiParser.h"
-#include "AcpiTableParser.h"
-#include "AcpiView.h"
-
-// Local variables
-STATIC CONST UINT32 *DsdtAddress;
-STATIC CONST UINT64 *X_DsdtAddress;
-STATIC CONST UINT32 *Flags;
-STATIC CONST UINT32 *FirmwareCtrl;
-STATIC CONST UINT64 *X_FirmwareCtrl;
-STATIC CONST UINT8 *FadtMinorRevision;
-STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;
-
-/**
- A macro defining the Hardware reduced ACPI flag
-**/
-#define HW_REDUCED_ACPI BIT20
-
-/**
- Offset to the FACS signature from the start of the FACS.
-**/
-#define FACS_SIGNATURE_OFFSET 0
-
-/**
- Offset to the FACS revision from the start of the FACS.
-**/
-#define FACS_VERSION_OFFSET 32
-
-/**
- Offset to the FACS length from the start of the FACS.
-**/
-#define FACS_LENGTH_OFFSET 4
-
-/**
- Get the ACPI XSDT header info.
-**/
-CONST ACPI_DESCRIPTION_HEADER_INFO *
-EFIAPI
-GetAcpiXsdtHeaderInfo (
- VOID
- );
-
-/**
- This function validates the Firmware Control Field.
-
- @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
-ValidateFirmwareCtrl (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- if (*(UINT32 *)Ptr != 0) {
- IncrementErrorCount ();
- Print (
- L"\nERROR: Firmware Control must be zero for ARM platforms."
- );
- }
-
- #endif
-}
-
-/**
- This function validates the X_Firmware Control Field.
-
- @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
-ValidateXFirmwareCtrl (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- if (*(UINT64 *)Ptr != 0) {
- IncrementErrorCount ();
- Print (
- L"\nERROR: X Firmware Control must be zero for ARM platforms."
- );
- }
-
- #endif
-}
-
-/**
- This function validates the 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
-ValidateFlags (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- if (((*(UINT32 *)Ptr) & HW_REDUCED_ACPI) == 0) {
- IncrementErrorCount ();
- Print (
- L"\nERROR: HW_REDUCED_ACPI flag must be set for ARM platforms."
- );
- }
-
- #endif
-}
-
-STATIC CONST ACPI_PARSER FadtFlagParser[] = {
- { L"WBINVD", 1, 0, L"%d", NULL, NULL, NULL, NULL },
- { L"WBINVD_FLUSH", 1, 1, L"%d", NULL, NULL, NULL, NULL },
- { L"PROC_C1", 1, 2, L"%d", NULL, NULL, NULL, NULL },
- { L"P_LVL2_UP", 1, 3, L"%d", NULL, NULL, NULL, NULL },
- { L"PWR_BUTTON", 1, 4, L"%d", NULL, NULL, NULL, NULL },
- { L"SLP_BUTTON", 1, 5, L"%d", NULL, NULL, NULL, NULL },
- { L"FIX_RTC", 1, 6, L"%d", NULL, NULL, NULL, NULL },
- { L"RTC_S4", 1, 7, L"%d", NULL, NULL, NULL, NULL },
- { L"TMR_VAL_EXT", 1, 8, L"%d", NULL, NULL, NULL, NULL },
- { L"DCK_CAP", 1, 9, L"%d", NULL, NULL, NULL, NULL },
- { L"RESET_REG_SUP", 1, 10, L"%d", NULL, NULL, NULL, NULL },
- { L"SEALED_CASE", 1, 11, L"%d", NULL, NULL, NULL, NULL },
- { L"HEADLESS", 1, 12, L"%d", NULL, NULL, NULL, NULL },
- { L"CPU_SW_SLP", 1, 13, L"%d", NULL, NULL, NULL, NULL },
- { L"PCI_EXP_WAK", 1, 14, L"%d", NULL, NULL, NULL, NULL },
- { L"USE_PLATFORM_CLOCK", 1, 15, L"%d", NULL, NULL, NULL, NULL },
- { L"S4_RTC_STS_VALID", 1, 16, L"%d", NULL, NULL, NULL, NULL },
- { L"REMOTE_POWER_ON_CAPABLE", 1, 17, L"%d", NULL, NULL, NULL, NULL },
- { L"FORCE_APIC_CLUSTER_MODEL", 1, 18, L"%d", NULL, NULL, NULL, NULL },
- { L"FORCE_APIC_PHYSICAL_DESTINATION_MODE", 1, 19, L"%d", NULL, NULL, NULL, NULL },
- { L"HW_REDUCED_ACPI", 1, 20, L"%d", NULL, NULL, NULL, NULL },
- { L"LOW_POWER_S0_IDLE_CAPABLE", 1, 21, L"%d", NULL, NULL, NULL, NULL },
- { L"Reserved", 10, 22, L"%d", NULL, NULL, NULL, NULL }
-};
-
-/**
- This function traces FADT Flags fields.
- If no format string is specified the Format must be NULL.
-
- @param [in] Format Optional format string for tracing the data.
- @param [in] Ptr Pointer to the start of the buffer.
-**/
-VOID
-EFIAPI
-DumpFadtFlags (
- IN CONST CHAR16 *Format OPTIONAL,
- IN UINT8 *Ptr
- )
-{
- if (Format != NULL) {
- Print (Format, *(UINT32 *)Ptr);
- return;
- }
-
- Print (L"0x%X\n", *(UINT32 *)Ptr);
- ParseAcpiBitFields (
- TRUE,
- 2,
- NULL,
- Ptr,
- 4,
- PARSER_PARAMS (FadtFlagParser)
- );
-}
-
-/**
- An ACPI_PARSER array describing the ACPI FADT Table.
-**/
-STATIC CONST ACPI_PARSER FadtParser[] = {
- PARSE_ACPI_HEADER (&AcpiHdrInfo),
- { L"FIRMWARE_CTRL", 4, 36, L"0x%x", NULL, (VOID **)&FirmwareCtrl,
- ValidateFirmwareCtrl, NULL },
- { L"DSDT", 4, 40, L"0x%x", NULL, (VOID **)&DsdtAddress, NULL, NULL },
- { L"Reserved", 1, 44, L"%x", NULL, NULL, NULL, NULL },
- { L"Preferred_PM_Profile", 1, 45, L"0x%x", NULL, NULL, NULL, NULL },
- { L"SCI_INT", 2, 46, L"0x%x", NULL, NULL, NULL, NULL },
- { L"SMI_CMD", 4, 48, L"0x%x", NULL, NULL, NULL, NULL },
- { L"ACPI_ENABLE", 1, 52, L"0x%x", NULL, NULL, NULL, NULL },
- { L"ACPI_DISABLE", 1, 53, L"0x%x", NULL, NULL, NULL, NULL },
- { L"S4BIOS_REQ", 1, 54, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PSTATE_CNT", 1, 55, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1a_EVT_BLK", 4, 56, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1b_EVT_BLK", 4, 60, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1a_CNT_BLK", 4, 64, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1b_CNT_BLK", 4, 68, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM2_CNT_BLK", 4, 72, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM_TMR_BLK", 4, 76, L"0x%x", NULL, NULL, NULL, NULL },
- { L"GPE0_BLK", 4, 80, L"0x%x", NULL, NULL, NULL, NULL },
- { L"GPE1_BLK", 4, 84, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1_EVT_LEN", 1, 88, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM1_CNT_LEN", 1, 89, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM2_CNT_LEN", 1, 90, L"0x%x", NULL, NULL, NULL, NULL },
- { L"PM_TMR_LEN", 1, 91, L"0x%x", NULL, NULL, NULL, NULL },
- { L"GPE0_BLK_LEN", 1, 92, L"0x%x", NULL, NULL, NULL, NULL },
- { L"GPE1_BLK_LEN", 1, 93, L"0x%x", NULL, NULL, NULL, NULL },
- { L"GPE1_BASE", 1, 94, L"0x%x", NULL, NULL, NULL, NULL },
- { L"CST_CNT", 1, 95, L"0x%x", NULL, NULL, NULL, NULL },
- { L"P_LVL2_LAT", 2, 96, L"0x%x", NULL, NULL, NULL, NULL },
- { L"P_LVL3_LAT", 2, 98, L"0x%x", NULL, NULL, NULL, NULL },
- { L"FLUSH_SIZE", 2, 100, L"0x%x", NULL, NULL, NULL, NULL },
- { L"FLUSH_STRIDE", 2, 102, L"0x%x", NULL, NULL, NULL, NULL },
- { L"DUTY_OFFSET", 1, 104, L"0x%x", NULL, NULL, NULL, NULL },
- { L"DUTY_WIDTH", 1, 105, L"0x%x", NULL, NULL, NULL, NULL },
- { L"DAY_ALRM", 1, 106, L"0x%x", NULL, NULL, NULL, NULL },
- { L"MON_ALRM", 1, 107, L"0x%x", NULL, NULL, NULL, NULL },
- { L"CENTURY", 1, 108, L"0x%x", NULL, NULL, NULL, NULL },
- { L"IAPC_BOOT_ARCH", 2, 109, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Reserved", 1, 111, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Flags", 4, 112, NULL, DumpFadtFlags, (VOID **)&Flags, ValidateFlags, NULL },
- { L"RESET_REG", 12, 116, NULL, DumpGas, NULL, NULL, NULL },
- { L"RESET_VALUE", 1, 128, L"0x%x", NULL, NULL, NULL, NULL },
- { L"ARM_BOOT_ARCH", 2, 129, L"0x%x", NULL, NULL, NULL, NULL },
- { L"FADT Minor Version", 1, 131, L"0x%x", NULL, (VOID **)&FadtMinorRevision,
- NULL, NULL },
- { L"X_FIRMWARE_CTRL", 8, 132, L"0x%lx", NULL, (VOID **)&X_FirmwareCtrl,
- ValidateXFirmwareCtrl, NULL },
- { L"X_DSDT", 8, 140, L"0x%lx", NULL, (VOID **)&X_DsdtAddress, NULL, NULL },
- { L"X_PM1a_EVT_BLK", 12, 148, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_PM1b_EVT_BLK", 12, 160, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_PM1a_CNT_BLK", 12, 172, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_PM1b_CNT_BLK", 12, 184, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_PM2_CNT_BLK", 12, 196, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_PM_TMR_BLK", 12, 208, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_GPE0_BLK", 12, 220, NULL, DumpGas, NULL, NULL, NULL },
- { L"X_GPE1_BLK", 12, 232, NULL, DumpGas, NULL, NULL, NULL },
- { L"SLEEP_CONTROL_REG", 12, 244, NULL, DumpGas, NULL, NULL, NULL },
- { L"SLEEP_STATUS_REG", 12, 256, NULL, DumpGas, NULL, NULL, NULL },
- { L"Hypervisor VendorIdentity", 8, 268, L"%lx", NULL, NULL, NULL, NULL }
-};
-
-/**
- This function parses the ACPI FADT table.
- This function parses the FADT table and optionally 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
-ParseAcpiFadt (
- IN BOOLEAN Trace,
- IN UINT8 *Ptr,
- IN UINT32 AcpiTableLength,
- IN UINT8 AcpiTableRevision
- )
-{
- EFI_STATUS Status;
- UINT8 *DsdtPtr;
- UINT8 *FirmwareCtrlPtr;
- UINT32 FacsSignature;
- UINT32 FacsLength;
- UINT8 FacsRevision;
- PARSE_ACPI_TABLE_PROC FacsParserProc;
-
- ParseAcpi (
- Trace,
- 0,
- "FADT",
- Ptr,
- AcpiTableLength,
- PARSER_PARAMS (FadtParser)
- );
-
- if (Trace) {
- if (FadtMinorRevision != NULL) {
- Print (L"\nSummary:\n");
- PrintFieldName (2, L"FADT Version");
- Print (L"%d.%d\n", *AcpiHdrInfo.Revision, *FadtMinorRevision);
- }
-
- if (*GetAcpiXsdtHeaderInfo ()->OemTableId != *AcpiHdrInfo.OemTableId) {
- IncrementErrorCount ();
- Print (L"ERROR: OEM Table Id does not match with RSDT/XSDT.\n");
- }
- }
-
- // If X_FIRMWARE_CTRL is not zero then use X_FIRMWARE_CTRL and ignore
- // FIRMWARE_CTRL, else use FIRMWARE_CTRL.
- if ((X_FirmwareCtrl != NULL) && (*X_FirmwareCtrl != 0)) {
- FirmwareCtrlPtr = (UINT8 *)(UINTN)(*X_FirmwareCtrl);
- } else if ((FirmwareCtrl != NULL) && (*FirmwareCtrl != 0)) {
- FirmwareCtrlPtr = (UINT8 *)(UINTN)(*FirmwareCtrl);
- } else {
- FirmwareCtrlPtr = NULL;
- // if HW_REDUCED_ACPI flag is not set, both FIRMWARE_CTRL and
- // X_FIRMWARE_CTRL cannot be zero, and the FACS Table must be
- // present.
- if ((Trace) &&
- (Flags != NULL) &&
- ((*Flags & EFI_ACPI_6_3_HW_REDUCED_ACPI) != EFI_ACPI_6_3_HW_REDUCED_ACPI))
- {
- IncrementErrorCount ();
- Print (
- L"ERROR: No FACS table found, "
- L"both X_FIRMWARE_CTRL and FIRMWARE_CTRL are zero.\n"
- );
- }
- }
-
- if (FirmwareCtrlPtr != NULL) {
- // The FACS table does not have a standard ACPI table header. Therefore,
- // the signature, length and version needs to be initially parsed.
- // The FACS signature is 4 bytes starting at offset 0.
- FacsSignature = *(UINT32 *)(FirmwareCtrlPtr + FACS_SIGNATURE_OFFSET);
-
- // The FACS length is 4 bytes starting at offset 4.
- FacsLength = *(UINT32 *)(FirmwareCtrlPtr + FACS_LENGTH_OFFSET);
-
- // The FACS version is 1 byte starting at offset 32.
- FacsRevision = *(UINT8 *)(FirmwareCtrlPtr + FACS_VERSION_OFFSET);
-
- Trace = ProcessTableReportOptions (
- FacsSignature,
- FirmwareCtrlPtr,
- FacsLength
- );
-
- Status = GetParser (FacsSignature, &FacsParserProc);
- if (EFI_ERROR (Status)) {
- Print (
- L"ERROR: No registered parser found for FACS.\n"
- );
- return;
- }
-
- FacsParserProc (
- Trace,
- FirmwareCtrlPtr,
- FacsLength,
- FacsRevision
- );
- }
-
- // If X_DSDT is valid then use X_DSDT and ignore DSDT, else use DSDT.
- if ((X_DsdtAddress != NULL) && (*X_DsdtAddress != 0)) {
- DsdtPtr = (UINT8 *)(UINTN)(*X_DsdtAddress);
- } else if ((DsdtAddress != NULL) && (*DsdtAddress != 0)) {
- DsdtPtr = (UINT8 *)(UINTN)(*DsdtAddress);
- } else {
- // Both DSDT and X_DSDT cannot be invalid.
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- if (Trace) {
- // The DSDT Table is mandatory for ARM systems
- // as the CPU information MUST be presented in
- // the DSDT.
- IncrementErrorCount ();
- Print (L"ERROR: Both X_DSDT and DSDT are invalid.\n");
- }
-
- #endif
- return;
- }
-
- ProcessAcpiTable (DsdtPtr);
-}
+/** @file
+ FADT table parser
+
+ Copyright (c) 2016 - 2020, ARM Limited. All rights reserved.
+ Copyright (c) 2022, AMD Incorporated. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Reference(s):
+ - ACPI 6.3 Specification - January 2019
+**/
+
+#include <IndustryStandard/Acpi.h>
+#include <Library/UefiLib.h>
+#include "AcpiParser.h"
+#include "AcpiTableParser.h"
+#include "AcpiView.h"
+
+// Local variables
+STATIC CONST UINT32 *DsdtAddress;
+STATIC CONST UINT64 *X_DsdtAddress;
+STATIC CONST UINT32 *Flags;
+STATIC CONST UINT32 *FirmwareCtrl;
+STATIC CONST UINT64 *X_FirmwareCtrl;
+STATIC CONST UINT8 *FadtMinorRevision;
+STATIC ACPI_DESCRIPTION_HEADER_INFO AcpiHdrInfo;
+
+/**
+ A macro defining the Hardware reduced ACPI flag
+**/
+#define HW_REDUCED_ACPI BIT20
+
+/**
+ Offset to the FACS signature from the start of the FACS.
+**/
+#define FACS_SIGNATURE_OFFSET 0
+
+/**
+ Offset to the FACS revision from the start of the FACS.
+**/
+#define FACS_VERSION_OFFSET 32
+
+/**
+ Offset to the FACS length from the start of the FACS.
+**/
+#define FACS_LENGTH_OFFSET 4
+
+/**
+ Get the ACPI XSDT header info.
+**/
+CONST ACPI_DESCRIPTION_HEADER_INFO *
+EFIAPI
+GetAcpiXsdtHeaderInfo (
+ VOID
+ );
+
+/**
+ This function validates the Firmware Control Field.
+
+ @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
+ValidateFirmwareCtrl (
+ IN UINT8 *Ptr,
+ IN VOID *Context
+ )
+{
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ if (*(UINT32 *)Ptr != 0) {
+ IncrementErrorCount ();
+ Print (
+ L"\nERROR: Firmware Control must be zero for ARM platforms."
+ );
+ }
+
+ #endif
+}
+
+/**
+ This function validates the X_Firmware Control Field.
+
+ @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
+ValidateXFirmwareCtrl (
+ IN UINT8 *Ptr,
+ IN VOID *Context
+ )
+{
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ if (*(UINT64 *)Ptr != 0) {
+ IncrementErrorCount ();
+ Print (
+ L"\nERROR: X Firmware Control must be zero for ARM platforms."
+ );
+ }
+
+ #endif
+}
+
+/**
+ This function validates the 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
+ValidateFlags (
+ IN UINT8 *Ptr,
+ IN VOID *Context
+ )
+{
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ if (((*(UINT32 *)Ptr) & HW_REDUCED_ACPI) == 0) {
+ IncrementErrorCount ();
+ Print (
+ L"\nERROR: HW_REDUCED_ACPI flag must be set for ARM platforms."
+ );
+ }
+
+ #endif
+}
+
+STATIC CONST ACPI_PARSER FadtFlagParser[] = {
+ { L"WBINVD", 1, 0, L"%d", NULL, NULL, NULL, NULL },
+ { L"WBINVD_FLUSH", 1, 1, L"%d", NULL, NULL, NULL, NULL },
+ { L"PROC_C1", 1, 2, L"%d", NULL, NULL, NULL, NULL },
+ { L"P_LVL2_UP", 1, 3, L"%d", NULL, NULL, NULL, NULL },
+ { L"PWR_BUTTON", 1, 4, L"%d", NULL, NULL, NULL, NULL },
+ { L"SLP_BUTTON", 1, 5, L"%d", NULL, NULL, NULL, NULL },
+ { L"FIX_RTC", 1, 6, L"%d", NULL, NULL, NULL, NULL },
+ { L"RTC_S4", 1, 7, L"%d", NULL, NULL, NULL, NULL },
+ { L"TMR_VAL_EXT", 1, 8, L"%d", NULL, NULL, NULL, NULL },
+ { L"DCK_CAP", 1, 9, L"%d", NULL, NULL, NULL, NULL },
+ { L"RESET_REG_SUP", 1, 10, L"%d", NULL, NULL, NULL, NULL },
+ { L"SEALED_CASE", 1, 11, L"%d", NULL, NULL, NULL, NULL },
+ { L"HEADLESS", 1, 12, L"%d", NULL, NULL, NULL, NULL },
+ { L"CPU_SW_SLP", 1, 13, L"%d", NULL, NULL, NULL, NULL },
+ { L"PCI_EXP_WAK", 1, 14, L"%d", NULL, NULL, NULL, NULL },
+ { L"USE_PLATFORM_CLOCK", 1, 15, L"%d", NULL, NULL, NULL, NULL },
+ { L"S4_RTC_STS_VALID", 1, 16, L"%d", NULL, NULL, NULL, NULL },
+ { L"REMOTE_POWER_ON_CAPABLE", 1, 17, L"%d", NULL, NULL, NULL, NULL },
+ { L"FORCE_APIC_CLUSTER_MODEL", 1, 18, L"%d", NULL, NULL, NULL, NULL },
+ { L"FORCE_APIC_PHYSICAL_DESTINATION_MODE", 1, 19, L"%d", NULL, NULL, NULL, NULL },
+ { L"HW_REDUCED_ACPI", 1, 20, L"%d", NULL, NULL, NULL, NULL },
+ { L"LOW_POWER_S0_IDLE_CAPABLE", 1, 21, L"%d", NULL, NULL, NULL, NULL },
+ { L"Reserved", 10, 22, L"%d", NULL, NULL, NULL, NULL }
+};
+
+/**
+ This function traces FADT Flags fields.
+ If no format string is specified the Format must be NULL.
+
+ @param [in] Format Optional format string for tracing the data.
+ @param [in] Ptr Pointer to the start of the buffer.
+**/
+VOID
+EFIAPI
+DumpFadtFlags (
+ IN CONST CHAR16 *Format OPTIONAL,
+ IN UINT8 *Ptr
+ )
+{
+ if (Format != NULL) {
+ Print (Format, *(UINT32 *)Ptr);
+ return;
+ }
+
+ Print (L"0x%X\n", *(UINT32 *)Ptr);
+ ParseAcpiBitFields (
+ TRUE,
+ 2,
+ NULL,
+ Ptr,
+ 4,
+ PARSER_PARAMS (FadtFlagParser)
+ );
+}
+
+/**
+ An ACPI_PARSER array describing the ACPI FADT Table.
+**/
+STATIC CONST ACPI_PARSER FadtParser[] = {
+ PARSE_ACPI_HEADER (&AcpiHdrInfo),
+ { L"FIRMWARE_CTRL", 4, 36, L"0x%x", NULL, (VOID **)&FirmwareCtrl,
+ ValidateFirmwareCtrl, NULL },
+ { L"DSDT", 4, 40, L"0x%x", NULL, (VOID **)&DsdtAddress, NULL, NULL },
+ { L"Reserved", 1, 44, L"%x", NULL, NULL, NULL, NULL },
+ { L"Preferred_PM_Profile", 1, 45, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"SCI_INT", 2, 46, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"SMI_CMD", 4, 48, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"ACPI_ENABLE", 1, 52, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"ACPI_DISABLE", 1, 53, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"S4BIOS_REQ", 1, 54, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PSTATE_CNT", 1, 55, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1a_EVT_BLK", 4, 56, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1b_EVT_BLK", 4, 60, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1a_CNT_BLK", 4, 64, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1b_CNT_BLK", 4, 68, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM2_CNT_BLK", 4, 72, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM_TMR_BLK", 4, 76, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"GPE0_BLK", 4, 80, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"GPE1_BLK", 4, 84, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1_EVT_LEN", 1, 88, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM1_CNT_LEN", 1, 89, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM2_CNT_LEN", 1, 90, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"PM_TMR_LEN", 1, 91, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"GPE0_BLK_LEN", 1, 92, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"GPE1_BLK_LEN", 1, 93, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"GPE1_BASE", 1, 94, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"CST_CNT", 1, 95, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"P_LVL2_LAT", 2, 96, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"P_LVL3_LAT", 2, 98, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"FLUSH_SIZE", 2, 100, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"FLUSH_STRIDE", 2, 102, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"DUTY_OFFSET", 1, 104, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"DUTY_WIDTH", 1, 105, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"DAY_ALRM", 1, 106, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"MON_ALRM", 1, 107, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"CENTURY", 1, 108, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"IAPC_BOOT_ARCH", 2, 109, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"Reserved", 1, 111, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"Flags", 4, 112, NULL, DumpFadtFlags, (VOID **)&Flags, ValidateFlags, NULL },
+ { L"RESET_REG", 12, 116, NULL, DumpGas, NULL, NULL, NULL },
+ { L"RESET_VALUE", 1, 128, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"ARM_BOOT_ARCH", 2, 129, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"FADT Minor Version", 1, 131, L"0x%x", NULL, (VOID **)&FadtMinorRevision,
+ NULL, NULL },
+ { L"X_FIRMWARE_CTRL", 8, 132, L"0x%lx", NULL, (VOID **)&X_FirmwareCtrl,
+ ValidateXFirmwareCtrl, NULL },
+ { L"X_DSDT", 8, 140, L"0x%lx", NULL, (VOID **)&X_DsdtAddress, NULL, NULL },
+ { L"X_PM1a_EVT_BLK", 12, 148, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_PM1b_EVT_BLK", 12, 160, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_PM1a_CNT_BLK", 12, 172, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_PM1b_CNT_BLK", 12, 184, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_PM2_CNT_BLK", 12, 196, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_PM_TMR_BLK", 12, 208, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_GPE0_BLK", 12, 220, NULL, DumpGas, NULL, NULL, NULL },
+ { L"X_GPE1_BLK", 12, 232, NULL, DumpGas, NULL, NULL, NULL },
+ { L"SLEEP_CONTROL_REG", 12, 244, NULL, DumpGas, NULL, NULL, NULL },
+ { L"SLEEP_STATUS_REG", 12, 256, NULL, DumpGas, NULL, NULL, NULL },
+ { L"Hypervisor VendorIdentity", 8, 268, L"%lx", NULL, NULL, NULL, NULL }
+};
+
+/**
+ This function parses the ACPI FADT table.
+ This function parses the FADT table and optionally 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
+ParseAcpiFadt (
+ IN BOOLEAN Trace,
+ IN UINT8 *Ptr,
+ IN UINT32 AcpiTableLength,
+ IN UINT8 AcpiTableRevision
+ )
+{
+ EFI_STATUS Status;
+ UINT8 *DsdtPtr;
+ UINT8 *FirmwareCtrlPtr;
+ UINT32 FacsSignature;
+ UINT32 FacsLength;
+ UINT8 FacsRevision;
+ PARSE_ACPI_TABLE_PROC FacsParserProc;
+
+ ParseAcpi (
+ Trace,
+ 0,
+ "FADT",
+ Ptr,
+ AcpiTableLength,
+ PARSER_PARAMS (FadtParser)
+ );
+
+ if (Trace) {
+ if (FadtMinorRevision != NULL) {
+ Print (L"\nSummary:\n");
+ PrintFieldName (2, L"FADT Version");
+ Print (L"%d.%d\n", *AcpiHdrInfo.Revision, *FadtMinorRevision);
+ }
+
+ if (*GetAcpiXsdtHeaderInfo ()->OemTableId != *AcpiHdrInfo.OemTableId) {
+ IncrementErrorCount ();
+ Print (L"ERROR: OEM Table Id does not match with RSDT/XSDT.\n");
+ }
+ }
+
+ // If X_FIRMWARE_CTRL is not zero then use X_FIRMWARE_CTRL and ignore
+ // FIRMWARE_CTRL, else use FIRMWARE_CTRL.
+ if ((X_FirmwareCtrl != NULL) && (*X_FirmwareCtrl != 0)) {
+ FirmwareCtrlPtr = (UINT8 *)(UINTN)(*X_FirmwareCtrl);
+ } else if ((FirmwareCtrl != NULL) && (*FirmwareCtrl != 0)) {
+ FirmwareCtrlPtr = (UINT8 *)(UINTN)(*FirmwareCtrl);
+ } else {
+ FirmwareCtrlPtr = NULL;
+ // if HW_REDUCED_ACPI flag is not set, both FIRMWARE_CTRL and
+ // X_FIRMWARE_CTRL cannot be zero, and the FACS Table must be
+ // present.
+ if ((Trace) &&
+ (Flags != NULL) &&
+ ((*Flags & EFI_ACPI_6_3_HW_REDUCED_ACPI) != EFI_ACPI_6_3_HW_REDUCED_ACPI))
+ {
+ IncrementErrorCount ();
+ Print (
+ L"ERROR: No FACS table found, "
+ L"both X_FIRMWARE_CTRL and FIRMWARE_CTRL are zero.\n"
+ );
+ }
+ }
+
+ if (FirmwareCtrlPtr != NULL) {
+ // The FACS table does not have a standard ACPI table header. Therefore,
+ // the signature, length and version needs to be initially parsed.
+ // The FACS signature is 4 bytes starting at offset 0.
+ FacsSignature = *(UINT32 *)(FirmwareCtrlPtr + FACS_SIGNATURE_OFFSET);
+
+ // The FACS length is 4 bytes starting at offset 4.
+ FacsLength = *(UINT32 *)(FirmwareCtrlPtr + FACS_LENGTH_OFFSET);
+
+ // The FACS version is 1 byte starting at offset 32.
+ FacsRevision = *(UINT8 *)(FirmwareCtrlPtr + FACS_VERSION_OFFSET);
+
+ Trace = ProcessTableReportOptions (
+ FacsSignature,
+ FirmwareCtrlPtr,
+ FacsLength
+ );
+
+ Status = GetParser (FacsSignature, &FacsParserProc);
+ if (EFI_ERROR (Status)) {
+ Print (
+ L"ERROR: No registered parser found for FACS.\n"
+ );
+ return;
+ }
+
+ FacsParserProc (
+ Trace,
+ FirmwareCtrlPtr,
+ FacsLength,
+ FacsRevision
+ );
+ }
+
+ // If X_DSDT is valid then use X_DSDT and ignore DSDT, else use DSDT.
+ if ((X_DsdtAddress != NULL) && (*X_DsdtAddress != 0)) {
+ DsdtPtr = (UINT8 *)(UINTN)(*X_DsdtAddress);
+ } else if ((DsdtAddress != NULL) && (*DsdtAddress != 0)) {
+ DsdtPtr = (UINT8 *)(UINTN)(*DsdtAddress);
+ } else {
+ // Both DSDT and X_DSDT cannot be invalid.
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ if (Trace) {
+ // The DSDT Table is mandatory for ARM systems
+ // as the CPU information MUST be presented in
+ // the DSDT.
+ IncrementErrorCount ();
+ Print (L"ERROR: Both X_DSDT and DSDT are invalid.\n");
+ }
+
+ #endif
+ return;
+ }
+
+ ProcessAcpiTable (DsdtPtr);
+}
generated by cgit v1.2.3 (git 2.39.0) at 2026-10-12 16:16:54 +0300