If HOB contains APCI table information, entry point of AcpiTableDxe.inf
should parse the APCI table from HOB, and install these tables.
We assume the whole ACPI table (starting with
EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER)
is contained by a single gEfiAcpiTableGuid HOB.
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Hao A Wu <hao.a...@intel.com>
Cc: Dandan Bi <dandan...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Ray Ni <ray...@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang....@intel.com>
---
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.h | 4 +++-
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf | 4 +++-
MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c | 144
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------
3 files changed, 142 insertions(+), 10 deletions(-)
diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.h
b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.h
index 9d7cf7ccfc..7fd393aab3 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.h
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTable.h
@@ -1,7 +1,7 @@
/** @file
ACPI Table Protocol Driver
- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -24,6 +24,8 @@
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
+#include <Library/HobLib.h>
+#include <UniversalPayload/AcpiTable.h>
//
// Statements that include other files
diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
index d341df439e..df80c4db35 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
@@ -4,7 +4,7 @@
# This driver initializes ACPI tables (Rsdp, Rsdt and Xsdt) and produces
UEFI/PI
# services to install/uninstall/manage ACPI tables.
#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -51,10 +51,12 @@
DebugLib
BaseLib
PcdLib
+ HobLib
[Guids]
gEfiAcpi10TableGuid ## PRODUCES ## SystemTable
gEfiAcpiTableGuid ## PRODUCES ## SystemTable
+ gPldAcpiTableGuid
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdInstallAcpiSdtProtocol ## CONSUMES
diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
index 5a2afdff27..24962843a1 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
@@ -1,7 +1,7 @@
/** @file
ACPI Table Protocol Implementation
- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -30,6 +30,7 @@ STATIC EFI_ALLOCATE_TYPE mAcpiTableAllocType;
@param Table Table to add.
@param Checksum Does the table require checksumming.
@param Version The version of the list to add the table
to.
+ @param IsFromHob True, if add Apci Table from Hob List.
@param Handle Pointer for returning the handle.
@return EFI_SUCCESS The function completed successfully.
@@ -44,6 +45,7 @@ AddTableToList (
IN VOID *Table,
IN BOOLEAN Checksum,
IN EFI_ACPI_TABLE_VERSION Version,
+ IN BOOLEAN IsFromHob,
OUT UINTN *Handle
);
@@ -238,6 +240,7 @@ InstallAcpiTable (
AcpiTableBufferConst,
TRUE,
Version,
+ FALSE,
TableKey
);
if (!EFI_ERROR (Status)) {
@@ -472,6 +475,7 @@ FreeTableMemory (
@param Table Table to add.
@param Checksum Does the table require checksumming.
@param Version The version of the list to add the table
to.
+ @param IsFromHob True, if add Apci Table from Hob List.
@param Handle Pointer for returning the handle.
@return EFI_SUCCESS The function completed successfully.
@@ -487,6 +491,7 @@ AddTableToList (
IN VOID *Table,
IN BOOLEAN Checksum,
IN EFI_ACPI_TABLE_VERSION Version,
+ IN BOOLEAN IsFromHob,
OUT UINTN *Handle
)
{
@@ -552,13 +557,16 @@ AddTableToList (
// could be updated by OS present agent. For example, BufferPtrAddress in
// SMM communication ACPI table.
//
- ASSERT ((EFI_PAGE_SIZE % 64) == 0);
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiACPIMemoryNVS,
- EFI_SIZE_TO_PAGES (CurrentTableList->TableSize),
- &AllocPhysAddress
- );
+ if (IsFromHob){
+ AllocPhysAddress = (UINTN)Table;
+ } else {
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiACPIMemoryNVS,
+ EFI_SIZE_TO_PAGES (CurrentTableList->TableSize),
+ &AllocPhysAddress
+ );
+ }
} else if (mAcpiTableAllocType == AllocateAnyPages) {
//
// If there is no allocation limit, there is also no need to use page
@@ -1689,6 +1697,124 @@ ChecksumCommonTables (
return EFI_SUCCESS;
}
+/**
+ This function will find gPldAcpiTableGuid Guid Hob, and install Acpi table
from it.
+
+ @param AcpiTableInstance Protocol instance private data.
+
+ @return EFI_SUCCESS The function completed successfully.
+ @return EFI_NOT_FOUND The function doesn't find the gEfiAcpiTableGuid
Guid Hob.
+ @return EFI_ABORTED The function could not complete successfully.
+
+**/
+EFI_STATUS
+InstallAcpiTableFromHob (
+ EFI_ACPI_TABLE_INSTANCE *AcpiTableInstance
+ )
+{
+ EFI_HOB_GUID_TYPE *GuidHob;
+ EFI_ACPI_TABLE_VERSION Version;
+ EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
+ EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
+ EFI_ACPI_DESCRIPTION_HEADER *ChildTable;
+ UINT64 ChildTableAddress;
+ UINTN Count;
+ UINTN Index;
+ UINTN TableKey;
+ EFI_STATUS Status;
+ UINTN EntrySize;
+ PLD_ACPI_TABLE *AcpiTableAdress;
+ VOID *TableToInstall;
+ PLD_GENERIC_HEADER *GenericHeader;
+
+ TableKey = 0;
+ Version = PcdGet32 (PcdAcpiExposedTableVersions);
+
+ //
+ // HOB only contains the ACPI table in 2.0+ format.
+ //
+ GuidHob = GetFirstGuidHob (&gPldAcpiTableGuid);
+ if (GuidHob == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ GenericHeader = (PLD_GENERIC_HEADER *) GET_GUID_HOB_DATA (GuidHob);
+ if ((sizeof (PLD_GENERIC_HEADER) > GET_GUID_HOB_DATA_SIZE (GuidHob)) ||
(GenericHeader->Length > GET_GUID_HOB_DATA_SIZE (GuidHob))) {
+ return EFI_NOT_FOUND;
+ }
+ if (GenericHeader->Revision == PLD_ACPI_TABLE_REVISION) {
+ //
+ // PLD_ACPI_TABLE structure is used when Revision equals to
PLD_ACPI_TABLE_REVISION
+ //
+ AcpiTableAdress = (PLD_ACPI_TABLE *) GET_GUID_HOB_DATA (GuidHob);
+ if (GenericHeader->Length < PLD_SIZEOF_THROUGH_FIELD (PLD_ACPI_TABLE,
Rsdp)) {
+ //
+ // Retrun if can't find the ACPI Info Hob with enough length
+ //
+ return EFI_NOT_FOUND;
+ }
+ Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) (UINTN)
(AcpiTableAdress->Rsdp);
+
+ //
+ // An ACPI-compatible OS must use the XSDT if present.
+ // It shouldn't happen that XsdtAddress points beyond 4G range in 32-bit
environment.
+ //
+ ASSERT ((UINTN) Rsdp->XsdtAddress == Rsdp->XsdtAddress);
+
+ EntrySize = sizeof (UINT64);
+ Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->XsdtAddress;
+ if (Rsdt == NULL) {
+ //
+ // XsdtAddress is zero, then we use Rsdt which has 32 bit entry
+ //
+ Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
+ EntrySize = sizeof (UINT32);
+ }
+ Count = (Rsdt->Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / EntrySize;
+
+ for (Index = 0; Index < Count; Index++){
+ ChildTableAddress = 0;
+ CopyMem (&ChildTableAddress, (UINT8 *) (Rsdt + 1) + EntrySize * Index,
EntrySize);
+ //
+ // If the address is of UINT64 while this module runs at 32 bits,
+ // make sure the upper bits are all-zeros.
+ //
+ ASSERT (ChildTableAddress == (UINTN) ChildTableAddress);
+
+ ChildTable = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) ChildTableAddress;
+ Status = AddTableToList (AcpiTableInstance, ChildTable, TRUE, Version,
TRUE, &TableKey);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI table
at 0x%p\n", ChildTable));
+ ASSERT_EFI_ERROR (Status);
+ }
+ if (ChildTable->Signature ==
EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE){
+ //
+ // Add the FACS and DSDT tables if it is not NULL.
+ //
+ if (((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)
ChildTable)->FirmwareCtrl != 0) {
+ TableToInstall = (VOID *) (UINTN)
((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->FirmwareCtrl;
+ Status = AddTableToList (AcpiTableInstance, TableToInstall, TRUE,
Version, TRUE, &TableKey);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI
table FACS\n"));
+ ASSERT_EFI_ERROR (Status);
+ }
+ }
+
+ if (((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->Dsdt
!= 0) {
+ TableToInstall = (VOID *) (UINTN)
((EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *) ChildTable)->Dsdt;
+ Status = AddTableToList (AcpiTableInstance, TableToInstall, TRUE,
Version, TRUE, &TableKey);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InstallAcpiTableFromHob: Fail to add ACPI
table DSDT\n"));
+ ASSERT_EFI_ERROR (Status);
+ }
+ }
+ }
+ }
+ }
+ Status = PublishTables (AcpiTableInstance, Version);
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
/**
Constructor for the ACPI table protocol. Initializes instance
@@ -1918,6 +2044,8 @@ AcpiTableAcpiTableConstructor (
ChecksumCommonTables (AcpiTableInstance);
+ InstallAcpiTableFromHob (AcpiTableInstance);
+
//
// Completed successfully
//
--
2.30.0.windows.2
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