diff options
Diffstat (limited to 'EdkModulePkg/Core/DxeIplPeim/DxeLoad.c')
| -rw-r--r-- | EdkModulePkg/Core/DxeIplPeim/DxeLoad.c | 995 |
1 files changed, 0 insertions, 995 deletions
diff --git a/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c b/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c deleted file mode 100644 index 1133f62860..0000000000 --- a/EdkModulePkg/Core/DxeIplPeim/DxeLoad.c +++ /dev/null @@ -1,995 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- DxeLoad.c
-
-Abstract:
-
- Last PEIM.
- Responsibility of this module is to load the DXE Core from a Firmware Volume.
-
---*/
-
-#include "DxeIpl.h"
-
-BOOLEAN gInMemory = FALSE;
-
-//
-// Module Globals used in the DXE to PEI handoff
-// These must be module globals, so the stack can be switched
-//
-static EFI_DXE_IPL_PPI mDxeIplPpi = {
- DxeLoadCore
-};
-
-static EFI_PEI_FV_FILE_LOADER_PPI mLoadFilePpi = {
- DxeIplLoadFile
-};
-
-static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {
- {
- EFI_PEI_PPI_DESCRIPTOR_PPI,
- &gEfiPeiFvFileLoaderPpiGuid,
- &mLoadFilePpi
- },
- {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiDxeIplPpiGuid,
- &mDxeIplPpi
- }
-};
-
-static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiEndOfPeiSignalPpiGuid,
- NULL
-};
-
-GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gEfiDecompress = {
- UefiDecompressGetInfo,
- UefiDecompress
-};
-
-GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gTianoDecompress = {
- TianoDecompressGetInfo,
- TianoDecompress
-};
-
-GLOBAL_REMOVE_IF_UNREFERENCED DECOMPRESS_LIBRARY gCustomDecompress = {
- CustomDecompressGetInfo,
- CustomDecompress
-};
-
-EFI_STATUS
-EFIAPI
-PeimInitializeDxeIpl (
- IN EFI_FFS_FILE_HEADER *FfsHeader,
- IN EFI_PEI_SERVICES **PeiServices
- )
-/*++
-
-Routine Description:
-
- Initializes the Dxe Ipl PPI
-
-Arguments:
-
- FfsHeader - Pointer to FFS file header
- PeiServices - General purpose services available to every PEIM.
-
-Returns:
-
- EFI_SUCCESS
-
---*/
-{
- EFI_STATUS Status;
- EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;
- EFI_BOOT_MODE BootMode;
-
- Status = PeiServicesGetBootMode (&BootMode);
- ASSERT_EFI_ERROR (Status);
-
- if (!gInMemory && (BootMode != BOOT_ON_S3_RESUME)) {
- //
- // The DxeIpl has not yet been shadowed
- //
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();
-
- //
- // Shadow DxeIpl and then re-run its entry point
- //
- Status = ShadowDxeIpl (FfsHeader, PeiEfiPeiPeCoffLoader);
- } else {
- //
- // Install FvFileLoader and DxeIpl PPIs.
- //
- Status = PeiServicesInstallPpi (mPpiList);
- ASSERT_EFI_ERROR(Status);
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-DxeLoadCore (
- IN EFI_DXE_IPL_PPI *This,
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_PEI_HOB_POINTERS HobList
- )
-/*++
-
-Routine Description:
-
- Main entry point to last PEIM
-
-Arguments:
- This - Entry point for DXE IPL PPI
- PeiServices - General purpose services available to every PEIM.
- HobList - Address to the Pei HOB list
-
-Returns:
-
- EFI_SUCCESS - DEX core was successfully loaded.
- EFI_OUT_OF_RESOURCES - There are not enough resources to load DXE core.
-
---*/
-{
- EFI_STATUS Status;
- EFI_GUID DxeCoreFileName;
- EFI_GUID FirmwareFileName;
- VOID *Pe32Data;
- VOID *FvImageData;
- EFI_PHYSICAL_ADDRESS DxeCoreAddress;
- UINT64 DxeCoreSize;
- EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;
- EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;
- EFI_BOOT_MODE BootMode;
- EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;
- EFI_PEI_S3_RESUME_PPI *S3Resume;
-
-// PERF_START (PeiServices, L"DxeIpl", NULL, 0);
-
- //
- // if in S3 Resume, restore configure
- //
- Status = PeiServicesGetBootMode (&BootMode);
- ASSERT_EFI_ERROR(Status);
-
- if (BootMode == BOOT_ON_S3_RESUME) {
- Status = PeiServicesLocatePpi (
- &gEfiPeiS3ResumePpiGuid,
- 0,
- NULL,
- (VOID **)&S3Resume
- );
- ASSERT_EFI_ERROR (Status);
-
- Status = S3Resume->S3RestoreConfig (PeiServices);
- ASSERT_EFI_ERROR (Status);
- } else if (BootMode == BOOT_IN_RECOVERY_MODE) {
-
- Status = PeiServicesLocatePpi (
- &gEfiPeiRecoveryModulePpiGuid,
- 0,
- NULL,
- (VOID **)&PeiRecovery
- );
- ASSERT_EFI_ERROR (Status);
-
- Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "Load Recovery Capsule Failed.(Status = %r)\n", Status));
- CpuDeadLoop ();
- }
-
- //
- // Now should have a HOB with the DXE core w/ the old HOB destroyed
- //
- }
-
- //
- // Install the PEI Protocols that are shared between PEI and DXE
- //
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();
- ASSERT (PeiEfiPeiPeCoffLoader != NULL);
-
-
- //
- // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file
- // The file found will be processed by PeiProcessFile: It will first be decompressed to
- // a normal FV, then a corresponding FV type hob will be built.
- //
- Status = PeiFindFile (
- EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,
- EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
- &FirmwareFileName,
- &FvImageData
- );
-
- //
- // Find the DXE Core in a Firmware Volume
- //
- Status = PeiFindFile (
- EFI_FV_FILETYPE_DXE_CORE,
- EFI_SECTION_PE32,
- &DxeCoreFileName,
- &Pe32Data
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Load the DXE Core from a Firmware Volume
- //
- Status = PeiLoadFile (
- PeiEfiPeiPeCoffLoader,
- Pe32Data,
- &DxeCoreAddress,
- &DxeCoreSize,
- &DxeCoreEntryPoint
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Add HOB for the DXE Core
- //
- BuildModuleHob (
- &DxeCoreFileName,
- DxeCoreAddress,
- DxeCoreSize,
- DxeCoreEntryPoint
- );
-
- //
- // Report Status Code EFI_SW_PEI_PC_HANDOFF_TO_NEXT
- //
- REPORT_STATUS_CODE (
- EFI_PROGRESS_CODE,
- EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT
- );
-
- if (FeaturePcdGet (PcdDxeIplBuildShareCodeHobs)) {
- if (FeaturePcdGet (PcdDxeIplSupportEfiDecompress)) {
- //
- // Add HOB for the EFI Decompress Protocol
- //
- BuildGuidDataHob (
- &gEfiDecompressProtocolGuid,
- (VOID *)&gEfiDecompress,
- sizeof (gEfiDecompress)
- );
- }
- if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) {
- //
- // Add HOB for the Tiano Decompress Protocol
- //
- BuildGuidDataHob (
- &gEfiTianoDecompressProtocolGuid,
- (VOID *)&gTianoDecompress,
- sizeof (gTianoDecompress)
- );
- }
- if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) {
- //
- // Add HOB for the user customized Decompress Protocol
- //
- BuildGuidDataHob (
- &gEfiCustomizedDecompressProtocolGuid,
- (VOID *)&gCustomDecompress,
- sizeof (gCustomDecompress)
- );
- }
-
- //
- // Add HOB for the PE/COFF Loader Protocol
- //
- BuildGuidDataHob (
- &gEfiPeiPeCoffLoaderGuid,
- (VOID *)&PeiEfiPeiPeCoffLoader,
- sizeof (VOID *)
- );
- }
-
- //
- // Transfer control to the DXE Core
- // The handoff state is simply a pointer to the HOB list
- //
-
- DEBUG ((EFI_D_INFO, "DXE Core Entry Point 0x%08x\n", (UINTN) DxeCoreEntryPoint));
- HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);
- //
- // If we get here, then the DXE Core returned. This is an error
- // Dxe Core should not return.
- //
- ASSERT (FALSE);
- CpuDeadLoop ();
-
- return EFI_OUT_OF_RESOURCES;
-}
-
-EFI_STATUS
-PeiFindFile (
- IN UINT8 Type,
- IN UINT16 SectionType,
- OUT EFI_GUID *FileName,
- OUT VOID **Pe32Data
- )
-/*++
-
-Routine Description:
-
- Finds a PE/COFF of a specific Type and SectionType in the Firmware Volumes
- described in the HOB list. Able to search in a compression set in a FFS file.
- But only one level of compression is supported, that is, not able to search
- in a compression set that is within another compression set.
-
-Arguments:
-
- Type - The Type of file to retrieve
-
- SectionType - The type of section to retrieve from a file
-
- FileName - The name of the file found in the Firmware Volume
-
- Pe32Data - Pointer to the beginning of the PE/COFF file found in the Firmware Volume
-
-Returns:
-
- EFI_SUCCESS - The file was found, and the name is returned in FileName, and a pointer to
- the PE/COFF image is returned in Pe32Data
-
- EFI_NOT_FOUND - The file was not found in the Firmware Volumes present in the HOB List
-
---*/
-{
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
- EFI_FFS_FILE_HEADER *FfsFileHeader;
- EFI_STATUS Status;
- EFI_PEI_HOB_POINTERS Hob;
-
-
- FwVolHeader = NULL;
- FfsFileHeader = NULL;
- Status = EFI_SUCCESS;
-
- //
- // For each Firmware Volume, look for a specified type
- // of file and break out until no one is found
- //
- Hob.Raw = GetHobList ();
- while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) {
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (Hob.FirmwareVolume->BaseAddress);
- //
- // Make sure the FV HOB does not get corrupted.
- //
- ASSERT (FwVolHeader->Signature == EFI_FVH_SIGNATURE);
-
- Status = PeiServicesFfsFindNextFile (
- Type,
- FwVolHeader,
- &FfsFileHeader
- );
- if (!EFI_ERROR (Status)) {
- Status = PeiProcessFile (
- SectionType,
- FfsFileHeader,
- Pe32Data,
- &Hob
- );
- CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));
- //
- // Find all Fv type ffs to get all FvImage and add them into FvHob
- //
- if (!EFI_ERROR (Status) && (Type != EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) {
- return EFI_SUCCESS;
- }
- }
- Hob.Raw = GET_NEXT_HOB (Hob);
- }
- return EFI_NOT_FOUND;
-}
-
-EFI_STATUS
-PeiLoadFile (
- IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader,
- IN VOID *Pe32Data,
- OUT EFI_PHYSICAL_ADDRESS *ImageAddress,
- OUT UINT64 *ImageSize,
- OUT EFI_PHYSICAL_ADDRESS *EntryPoint
- )
-/*++
-
-Routine Description:
-
- Loads and relocates a PE/COFF image into memory.
-
-Arguments:
-
- PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol
-
- Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated
-
- ImageAddress - The base address of the relocated PE/COFF image
-
- ImageSize - The size of the relocated PE/COFF image
-
- EntryPoint - The entry point of the relocated PE/COFF image
-
-Returns:
-
- EFI_SUCCESS - The file was loaded and relocated
-
- EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file
-
---*/
-{
- EFI_STATUS Status;
- PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
-
- ZeroMem (&ImageContext, sizeof (ImageContext));
- ImageContext.Handle = Pe32Data;
- Status = GetImageReadFunction (&ImageContext);
-
- ASSERT_EFI_ERROR (Status);
-
- Status = PeiEfiPeiPeCoffLoader->GetImageInfo (PeiEfiPeiPeCoffLoader, &ImageContext);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Allocate Memory for the image
- //
- ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));
- ASSERT (ImageContext.ImageAddress != 0);
-
- //
- // Load the image to our new buffer
- //
- Status = PeiEfiPeiPeCoffLoader->LoadImage (PeiEfiPeiPeCoffLoader, &ImageContext);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Relocate the image in our new buffer
- //
- Status = PeiEfiPeiPeCoffLoader->RelocateImage (PeiEfiPeiPeCoffLoader, &ImageContext);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Flush the instruction cache so the image data is written before we execute it
- //
- InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);
-
- *ImageAddress = ImageContext.ImageAddress;
- *ImageSize = ImageContext.ImageSize;
- *EntryPoint = ImageContext.EntryPoint;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-ShadowDxeIpl (
- IN EFI_FFS_FILE_HEADER *DxeIplFileHeader,
- IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader
- )
-/*++
-
-Routine Description:
-
- Shadow the DXE IPL to a different memory location. This occurs after permanent
- memory has been discovered.
-
-Arguments:
-
- DxeIplFileHeader - Pointer to the FFS file header of the DXE IPL driver
-
- PeiEfiPeiPeCoffLoader - Pointer to a PE COFF loader protocol
-
-Returns:
-
- EFI_SUCCESS - DXE IPL was successfully shadowed to a different memory location.
-
- EFI_ ERROR - The shadow was unsuccessful.
-
-
---*/
-{
- UINTN SectionLength;
- UINTN OccupiedSectionLength;
- EFI_PHYSICAL_ADDRESS DxeIplAddress;
- UINT64 DxeIplSize;
- EFI_PHYSICAL_ADDRESS DxeIplEntryPoint;
- EFI_STATUS Status;
- EFI_COMMON_SECTION_HEADER *Section;
-
- Section = (EFI_COMMON_SECTION_HEADER *) (DxeIplFileHeader + 1);
-
- while ((Section->Type != EFI_SECTION_PE32) && (Section->Type != EFI_SECTION_TE)) {
- SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;
- OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
- Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);
- }
- //
- // Relocate DxeIpl into memory by using loadfile service
- //
- Status = PeiLoadFile (
- PeiEfiPeiPeCoffLoader,
- (VOID *) (Section + 1),
- &DxeIplAddress,
- &DxeIplSize,
- &DxeIplEntryPoint
- );
-
- if (Status == EFI_SUCCESS) {
- //
- // Set gInMemory global variable to TRUE to indicate the dxeipl is shadowed.
- //
- *(BOOLEAN *) ((UINTN) &gInMemory + (UINTN) DxeIplEntryPoint - (UINTN) _ModuleEntryPoint) = TRUE;
- Status = ((EFI_PEIM_ENTRY_POINT) (UINTN) DxeIplEntryPoint) (DxeIplFileHeader, GetPeiServicesTablePointer());
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-DxeIplLoadFile (
- IN EFI_PEI_FV_FILE_LOADER_PPI *This,
- IN EFI_FFS_FILE_HEADER *FfsHeader,
- OUT EFI_PHYSICAL_ADDRESS *ImageAddress,
- OUT UINT64 *ImageSize,
- OUT EFI_PHYSICAL_ADDRESS *EntryPoint
- )
-/*++
-
-Routine Description:
-
- Given a pointer to an FFS file containing a PE32 image, get the
- information on the PE32 image, and then "load" it so that it
- can be executed.
-
-Arguments:
-
- This - pointer to our file loader protocol
-
- FfsHeader - pointer to the FFS file header of the FFS file that
- contains the PE32 image we want to load
-
- ImageAddress - returned address where the PE32 image is loaded
-
- ImageSize - returned size of the loaded PE32 image
-
- EntryPoint - entry point to the loaded PE32 image
-
-Returns:
-
- EFI_SUCCESS - The FFS file was successfully loaded.
-
- EFI_ERROR - Unable to load the FFS file.
-
---*/
-{
- EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader;
- EFI_STATUS Status;
- VOID *Pe32Data;
-
- Pe32Data = NULL;
- PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();
-
- //
- // Preprocess the FFS file to get a pointer to the PE32 information
- // in the enclosed PE32 image.
- //
- Status = PeiProcessFile (
- EFI_SECTION_PE32,
- FfsHeader,
- &Pe32Data,
- NULL
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Load the PE image from the FFS file
- //
- Status = PeiLoadFile (
- PeiEfiPeiPeCoffLoader,
- Pe32Data,
- ImageAddress,
- ImageSize,
- EntryPoint
- );
-
- return Status;
-}
-
-EFI_STATUS
-PeiProcessFile (
- IN UINT16 SectionType,
- IN EFI_FFS_FILE_HEADER *FfsFileHeader,
- OUT VOID **Pe32Data,
- IN EFI_PEI_HOB_POINTERS *OrigHob
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
- SectionType - The type of section in the FFS file to process.
-
- FfsFileHeader - Pointer to the FFS file to process, looking for the
- specified SectionType
-
- Pe32Data - returned pointer to the start of the PE32 image found
- in the FFS file.
-
-Returns:
-
- EFI_SUCCESS - found the PE32 section in the FFS file
-
---*/
-{
- EFI_STATUS Status;
- VOID *SectionData;
- DECOMPRESS_LIBRARY *DecompressLibrary;
- UINT8 *DstBuffer;
- UINT8 *ScratchBuffer;
- UINT32 DstBufferSize;
- UINT32 ScratchBufferSize;
- EFI_COMMON_SECTION_HEADER *CmpSection;
- UINTN CmpSectionLength;
- UINTN OccupiedCmpSectionLength;
- VOID *CmpFileData;
- UINTN CmpFileSize;
- EFI_COMMON_SECTION_HEADER *Section;
- UINTN SectionLength;
- UINTN OccupiedSectionLength;
- UINT64 FileSize;
- UINT32 AuthenticationStatus;
- EFI_PEI_SECTION_EXTRACTION_PPI *SectionExtract;
- UINT32 BufferSize;
- UINT8 *Buffer;
- EFI_PEI_SECURITY_PPI *Security;
- BOOLEAN StartCrisisRecovery;
- EFI_GUID TempGuid;
- EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
- EFI_COMPRESSION_SECTION *CompressionSection;
-
- //
- // Initialize local variables.
- //
- DecompressLibrary = NULL;
- DstBuffer = NULL;
- DstBufferSize = 0;
-
- Status = PeiServicesFfsFindSectionData (
- EFI_SECTION_COMPRESSION,
- FfsFileHeader,
- &SectionData
- );
-
- //
- // First process the compression section
- //
- if (!EFI_ERROR (Status)) {
- //
- // Yes, there is a compression section, so extract the contents
- // Decompress the image here
- //
- Section = (EFI_COMMON_SECTION_HEADER *) (UINTN) (VOID *) ((UINT8 *) (FfsFileHeader) + (UINTN) sizeof (EFI_FFS_FILE_HEADER));
-
- do {
- SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;
- OccupiedSectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
-
- //
- // Was the DXE Core file encapsulated in a GUID'd section?
- //
- if (Section->Type == EFI_SECTION_GUID_DEFINED) {
-
- //
- // This following code constitutes the addition of the security model
- // to the DXE IPL.
- //
- //
- // Set a default authenticatino state
- //
- AuthenticationStatus = 0;
-
- Status = PeiServicesLocatePpi (
- &gEfiPeiSectionExtractionPpiGuid,
- 0,
- NULL,
- (VOID **)&SectionExtract
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Verify Authentication State
- //
- CopyMem (&TempGuid, Section + 1, sizeof (EFI_GUID));
-
- Status = SectionExtract->PeiGetSection (
- GetPeiServicesTablePointer(),
- SectionExtract,
- (EFI_SECTION_TYPE *) &SectionType,
- &TempGuid,
- 0,
- (VOID **) &Buffer,
- &BufferSize,
- &AuthenticationStatus
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // If not ask the Security PPI, if exists, for disposition
- //
- //
- Status = PeiServicesLocatePpi (
- &gEfiPeiSecurityPpiGuid,
- 0,
- NULL,
- (VOID **)&Security
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = Security->AuthenticationState (
- GetPeiServicesTablePointer(),
- (struct _EFI_PEI_SECURITY_PPI *) Security,
- AuthenticationStatus,
- FfsFileHeader,
- &StartCrisisRecovery
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // If there is a security violation, report to caller and have
- // the upper-level logic possible engender a crisis recovery
- //
- if (StartCrisisRecovery) {
- return EFI_SECURITY_VIOLATION;
- }
- }
-
- if (Section->Type == EFI_SECTION_PE32) {
- //
- // This is what we want
- //
- *Pe32Data = (VOID *) (Section + 1);
- return EFI_SUCCESS;
- } else if (Section->Type == EFI_SECTION_COMPRESSION) {
- //
- // This is a compression set, expand it
- //
- CompressionSection = (EFI_COMPRESSION_SECTION *) Section;
-
- switch (CompressionSection->CompressionType) {
- case EFI_STANDARD_COMPRESSION:
- //
- // Load EFI standard compression.
- //
- if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) {
- DecompressLibrary = &gEfiDecompress;
- } else {
- ASSERT (FALSE);
- return EFI_NOT_FOUND;
- }
- break;
-
- case EFI_CUSTOMIZED_COMPRESSION:
- //
- // Load user customized compression.
- //
- if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) {
- DecompressLibrary = &gCustomDecompress;
- } else {
- ASSERT (FALSE);
- return EFI_NOT_FOUND;
- }
- break;
-
- case EFI_NOT_COMPRESSED:
- //
- // Allocate destination buffer
- //
- DstBufferSize = CompressionSection->UncompressedLength;
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
- if (DstBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- //
- // stream is not actually compressed, just encapsulated. So just copy it.
- //
- CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);
- break;
-
- default:
- //
- // Don't support other unknown compression type.
- //
- ASSERT_EFI_ERROR (Status);
- return EFI_NOT_FOUND;
- }
-
- if (CompressionSection->CompressionType != EFI_NOT_COMPRESSED) {
- //
- // For compressed data, decompress them to dstbuffer.
- //
- Status = DecompressLibrary->GetInfo (
- (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
- (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),
- &DstBufferSize,
- &ScratchBufferSize
- );
- if (EFI_ERROR (Status)) {
- //
- // GetInfo failed
- //
- DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status));
- return EFI_NOT_FOUND;
- }
-
- //
- // Allocate scratch buffer
- //
- ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));
- if (ScratchBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Allocate destination buffer
- //
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
- if (DstBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Call decompress function
- //
- Status = DecompressLibrary->Decompress (
- (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
- DstBuffer,
- ScratchBuffer
- );
- if (EFI_ERROR (Status)) {
- //
- // Decompress failed
- //
- DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status));
- return EFI_NOT_FOUND;
- }
- }
-
- //
- // Decompress successfully.
- // Loop the decompressed data searching for expected section.
- //
- CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer;
- CmpFileData = (VOID *) DstBuffer;
- CmpFileSize = DstBufferSize;
- do {
- CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff;
- if (CmpSection->Type == SectionType) {
- //
- // This is what we want
- //
- if (SectionType == EFI_SECTION_PE32) {
- *Pe32Data = (VOID *) (CmpSection + 1);
- return EFI_SUCCESS;
- } else if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {
- //
- // Firmware Volume Image in this Section
- // Skip the section header to get FvHeader
- //
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1);
-
- if (FvHeader->Signature == EFI_FVH_SIGNATURE) {
- //
- // Because FvLength in FvHeader is UINT64 type,
- // so FvHeader must meed at least 8 bytes alignment.
- // If current FvImage base address doesn't meet its alignment,
- // we need to reload this FvImage to another correct memory address.
- //
- if (((UINTN) FvHeader % sizeof (UINT64)) != 0) {
- DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) CmpSectionLength - sizeof (EFI_COMMON_SECTION_HEADER)), sizeof (UINT64));
- if (DstBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- CopyMem (DstBuffer, FvHeader, (UINTN) CmpSectionLength - sizeof (EFI_COMMON_SECTION_HEADER));
- FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer;
- }
-
- //
- // Build new FvHob for new decompressed Fv image.
- //
- BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);
-
- //
- // Set the original FvHob to unused.
- //
- if (OrigHob != NULL) {
- OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED;
- }
-
- //
- // return found FvImage data.
- //
- *Pe32Data = (VOID *) FvHeader;
- return EFI_SUCCESS;
- }
- }
- }
- OccupiedCmpSectionLength = GET_OCCUPIED_SIZE (CmpSectionLength, 4);
- CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength);
- } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize);
- }
- //
- // End of the decompression activity
- //
-
- Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength);
- FileSize = FfsFileHeader->Size[0] & 0xFF;
- FileSize += (FfsFileHeader->Size[1] << 8) & 0xFF00;
- FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000;
- FileSize &= 0x00FFFFFF;
- } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section - (UINT8 *) FfsFileHeader) < FileSize);
-
- //
- // search all sections (compression and non compression) in this FFS, don't
- // find expected section.
- //
- return EFI_NOT_FOUND;
- } else {
- //
- // For those FFS that doesn't contain compression section, directly search
- // PE or TE section in this FFS.
- //
-
- Status = PeiServicesFfsFindSectionData (
- EFI_SECTION_PE32,
- FfsFileHeader,
- &SectionData
- );
-
- if (EFI_ERROR (Status)) {
- Status = PeiServicesFfsFindSectionData (
- EFI_SECTION_TE,
- FfsFileHeader,
- &SectionData
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
- }
-
- *Pe32Data = SectionData;
-
- return EFI_SUCCESS;
-}
-
|