diff options
Diffstat (limited to 'MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c')
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c | 171 |
1 files changed, 164 insertions, 7 deletions
diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c index 5a2afdff27..34d4a1cec0 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
)
{
@@ -553,12 +558,17 @@ AddTableToList ( // 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;
+ Status = EFI_SUCCESS;
+ } 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 +1699,151 @@ ChecksumCommonTables ( return EFI_SUCCESS;
}
+/**
+ This function will find gUniversalPayloadAcpiTableGuid 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;
+ UNIVERSAL_PAYLOAD_ACPI_TABLE *AcpiTableAdress;
+ VOID *TableToInstall;
+ EFI_ACPI_SDT_HEADER *Table;
+ UNIVERSAL_PAYLOAD_GENERIC_HEADER *GenericHeader;
+
+ TableKey = 0;
+ Version = PcdGet32 (PcdAcpiExposedTableVersions);
+ Status = EFI_SUCCESS;
+ //
+ // HOB only contains the ACPI table in 2.0+ format.
+ //
+ GuidHob = GetFirstGuidHob (&gUniversalPayloadAcpiTableGuid);
+ if (GuidHob == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ GenericHeader = (UNIVERSAL_PAYLOAD_GENERIC_HEADER *) GET_GUID_HOB_DATA (GuidHob);
+ if ((sizeof (UNIVERSAL_PAYLOAD_GENERIC_HEADER) > GET_GUID_HOB_DATA_SIZE (GuidHob)) || (GenericHeader->Length > GET_GUID_HOB_DATA_SIZE (GuidHob))) {
+ return EFI_NOT_FOUND;
+ }
+ if (GenericHeader->Revision == UNIVERSAL_PAYLOAD_ACPI_TABLE_REVISION) {
+ //
+ // UNIVERSAL_PAYLOAD_ACPI_TABLE structure is used when Revision equals to UNIVERSAL_PAYLOAD_ACPI_TABLE_REVISION
+ //
+ AcpiTableAdress = (UNIVERSAL_PAYLOAD_ACPI_TABLE *) GET_GUID_HOB_DATA (GuidHob);
+ if (AcpiTableAdress->Header.Length < UNIVERSAL_PAYLOAD_SIZEOF_THROUGH_FIELD (UNIVERSAL_PAYLOAD_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);
+ }
+
+ if (Rsdt->Length <= sizeof (EFI_ACPI_DESCRIPTION_HEADER)) {
+ return EFI_ABORTED;
+ }
+
+ 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);
+ if (ChildTableAddress != (UINTN) ChildTableAddress) {
+ Status = EFI_ABORTED;
+ break;
+ }
+
+ 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);
+ break;
+ }
+ 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);
+ break;
+ }
+ }
+
+ 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);
+ break;
+ }
+ }
+ }
+ }
+ } else {
+ return EFI_NOT_FOUND;
+ }
+
+ if (EFI_ERROR (Status)) {
+ //
+ // Error happens when trying to add ACPI table to the list.
+ // Remove all of them from list because at this time, no other tables except from HOB are in the list
+ //
+ while (SdtGetAcpiTable (AcpiTableInstance, 0, &Table, &Version, &TableKey) == EFI_SUCCESS) {
+ RemoveTableFromList (AcpiTableInstance, Version, TableKey);
+ }
+ } else {
+ Status = PublishTables (AcpiTableInstance, Version);
+ }
+
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
/**
Constructor for the ACPI table protocol. Initializes instance
@@ -1918,6 +2073,8 @@ AcpiTableAcpiTableConstructor ( ChecksumCommonTables (AcpiTableInstance);
+ InstallAcpiTableFromHob (AcpiTableInstance);
+
//
// Completed successfully
//
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