X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FCore%2FDxeIplX64Peim%2FDxeLoadX64.c;fp=EdkModulePkg%2FCore%2FDxeIplX64Peim%2FDxeLoadX64.c;h=0000000000000000000000000000000000000000;hp=57ffb28f4ae00ea2b8f5cbe1fb1540237e369e62;hb=abb26634f230fb703906f46e7e7adebc9124214a;hpb=ad3e8660d37e30ccf2e78aafced1f194e3593a30 diff --git a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c deleted file mode 100644 index 57ffb28f4a..0000000000 --- a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c +++ /dev/null @@ -1,1046 +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 - -#ifndef __GNUC__ -#pragma warning( disable : 4305 ) -#endif - -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 mPpiLoadFile = { - (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), - &gEfiPeiFvFileLoaderPpiGuid, - &mLoadFilePpi -}; - -static EFI_PEI_PPI_DESCRIPTOR mPpiList = { - (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 -}; - -STATIC -UINTN -GetOccupiedSize ( - IN UINTN ActualSize, - IN UINTN Alignment - ) -{ - UINTN OccupiedSize; - - OccupiedSize = ActualSize; - while ((OccupiedSize & (Alignment - 1)) != 0) { - OccupiedSize++; - } - - return OccupiedSize; -} - -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); - if (EFI_ERROR (Status)) { - return Status; - } - - } else { - if (BootMode != BOOT_ON_S3_RESUME) { - - // - // Install LoadFile PPI - // - Status = PeiServicesInstallPpi (&mPpiLoadFile); - - if (EFI_ERROR (Status)) { - return Status; - } - } - // - // Install DxeIpl PPI - // - Status = PeiServicesInstallPpi (&mPpiList); - - if (EFI_ERROR (Status)) { - return Status; - } - - } - - return EFI_SUCCESS; -} - -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_PHYSICAL_ADDRESS TopOfStack; - EFI_PHYSICAL_ADDRESS BaseOfStack; - EFI_PHYSICAL_ADDRESS BspStore; - EFI_GUID DxeCoreFileName; - EFI_GUID FirmwareFileName; - VOID *DxeCorePe32Data; - 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; - EFI_PHYSICAL_ADDRESS PageTables; - - TopOfStack = 0; - BaseOfStack = 0; - BspStore = 0; - Status = EFI_SUCCESS; - - // - // if in S3 Resume, restore configure - // - Status = PeiServicesGetBootMode (&BootMode); - - if (!EFI_ERROR (Status) && (BootMode == BOOT_ON_S3_RESUME)) { - Status = PeiServicesLocatePpi ( - &gEfiPeiS3ResumePpiGuid, - 0, - NULL, - (VOID **)&S3Resume - ); - - ASSERT_EFI_ERROR (Status); - - Status = S3Resume->S3RestoreConfig (PeiServices); - - ASSERT_EFI_ERROR (Status); - } - - Status = EFI_SUCCESS; - - // - // Install the PEI Protocols that are shared between PEI and DXE - // - PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol (); - ASSERT (PeiEfiPeiPeCoffLoader != NULL); - - // - // Allocate 128KB for the Stack - // - PeiServicesAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack); - ASSERT (BaseOfStack != 0); - - // - // Compute the top of the stack we were allocated, which is used to load X64 dxe core. - // Pre-allocate a 32 bytes which confroms to x64 calling convention. - // - // The first four parameters to a function are passed in rcx, rdx, r8 and r9. - // Any further parameters are pushed on the stack. Furthermore, space (4 * 8bytes) for the - // register parameters is reserved on the stack, in case the called function - // wants to spill them; this is important if the function is variadic. - // - TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32; - - // - // X64 Calling Conventions requires that the stack must be aligned to 16 bytes - // - TopOfStack = (EFI_PHYSICAL_ADDRESS) (UINTN) ALIGN_POINTER (TopOfStack, 16); - - // - // Add architecture-specifc HOBs (including the BspStore HOB) - // - Status = CreateArchSpecificHobs (&BspStore); - ASSERT_EFI_ERROR (Status); - - // - // See if we are in crisis recovery - // - Status = PeiServicesGetBootMode (&BootMode); - if (!EFI_ERROR (Status) && (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 (); - } - } - - // - // 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, - &DxeCorePe32Data - ); - ASSERT_EFI_ERROR (Status); - - // - // Load the GDT of Go64. Since the GDT of 32-bit Tiano locates in the BS_DATA - // memory, it may be corrupted when copying FV to high-end memory - // - LoadGo64Gdt(); - - // - // Limit to 36 bits of addressing for debug. Should get it from CPU - // - PageTables = CreateIdentityMappingPageTables (36); - - - // - // Load the DXE Core from a Firmware Volume - // - Status = PeiLoadPeImage ( - PeiEfiPeiPeCoffLoader, - DxeCorePe32Data, - EfiBootServicesData, - &DxeCoreAddress, - &DxeCoreSize, - &DxeCoreEntryPoint - ); - ASSERT_EFI_ERROR (Status); - - // - // Transfer control to the DXE Core - // The handoff state is simply a pointer to the HOB list - // - - Status = PeiServicesInstallPpi (&mPpiSignal); - 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 - ); - - DEBUG ((EFI_D_INFO, "DXE Core Entry\n")); - // - // Go to Long Mode. Interrupts will not get turned on until the CPU AP is loaded. - // Call x64 drivers passing in single argument, a pointer to the HOBs. - // - ActivateLongMode ( - PageTables, - (EFI_PHYSICAL_ADDRESS)(UINTN)(HobList.Raw), - TopOfStack, - 0x00000000, - DxeCoreEntryPoint - ); - - // - // 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; - VOID *SectionData; - EFI_STATUS Status; - EFI_PEI_HOB_POINTERS Hob; - - - FwVolHeader = NULL; - FfsFileHeader = NULL; - SectionData = 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); - Status = PeiServicesFfsFindNextFile ( - Type, - FwVolHeader, - &FfsFileHeader - ); - if (!EFI_ERROR (Status)) { - Status = PeiProcessFile ( - SectionType, - FfsFileHeader, - Pe32Data, - &Hob - ); - CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID)); - if (!EFI_ERROR (Status)) { - return EFI_SUCCESS; - } - } - Hob.Raw = GET_NEXT_HOB (Hob); - } - return EFI_NOT_FOUND; -} - -EFI_STATUS -PeiLoadPeImage ( - IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *PeiEfiPeiPeCoffLoader, - IN VOID *Pe32Data, - IN EFI_MEMORY_TYPE MemoryType, - 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; - EFI_PHYSICAL_ADDRESS MemoryBuffer; - - 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 - // - // - // Allocate Memory for the image - // - PeiServicesAllocatePages (MemoryType, EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize), &MemoryBuffer); - ImageContext.ImageAddress = MemoryBuffer; - 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 = GetOccupiedSize (SectionLength, 4); - Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength); - } - - // - // Relocate DxeIpl into memory by using loadfile service - // - Status = PeiLoadPeImage ( - PeiEfiPeiPeCoffLoader, - (VOID *) (Section + 1), - EfiBootServicesData, - &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 = PeiLoadPeImage ( - PeiEfiPeiPeCoffLoader, - Pe32Data, - EfiBootServicesData, - 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; - EFI_GUID_DEFINED_SECTION *GuidedSectionHeader; - 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; - UINT32 FvAlignment; - - 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 = GetOccupiedSize (SectionLength, 4); - - // - // Was the DXE Core file encapsulated in a GUID'd section? - // - if (Section->Type == EFI_SECTION_GUID_DEFINED) { - // - // Locate the GUID'd Section Extractor - // - GuidedSectionHeader = (VOID *) (Section + 1); - - // - // 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: - if (FeaturePcdGet (PcdDxeIplSupportTianoDecompress)) { - DecompressLibrary = &gTianoDecompress; - } else { - ASSERT (FALSE); - return EFI_NOT_FOUND; - } - break; - - case EFI_CUSTOMIZED_COMPRESSION: - // - // Load user customized compression protocol. - // - if (FeaturePcdGet (PcdDxeIplSupportCustomDecompress)) { - DecompressLibrary = &gCustomDecompress; - } else { - ASSERT (FALSE); - return EFI_NOT_FOUND; - } - break; - - case EFI_NOT_COMPRESSED: - default: - // - // Need to support not compressed file - // - ASSERT_EFI_ERROR (Status); - return EFI_NOT_FOUND; - } - - Status = DecompressLibrary->GetInfo ( - (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1), - (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION), - &DstBufferSize, - &ScratchBufferSize - ); - if (EFI_ERROR (Status)) { - // - // GetInfo failed - // - 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 - ); - - CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer; - if (CmpSection->Type == 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) { - // - // Adjust Fv Base Address Alignment based on Align Attributes in Fv Header - // - - // - // When FvImage support Alignment, we need to check whether - // its alignment is correct. - // - if (FvHeader->Attributes | EFI_FVB_ALIGNMENT_CAP) { - - // - // Calculate the mini alignment for this FvImage - // - FvAlignment = 1 << (LowBitSet32 (FvHeader->Attributes >> 16) + 1); - - // - // If current FvImage base address doesn't meet the its alignment, - // we need to reload this FvImage to another correct memory address. - // - if (((UINTN) FvHeader % FvAlignment) != 0) { - DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) FvHeader->FvLength), FvAlignment); - if (DstBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - CopyMem (DstBuffer, FvHeader, (UINTN) FvHeader->FvLength); - 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; - } - - // - // when search FvImage Section return true. - // - if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) { - *Pe32Data = (VOID *) FvHeader; - return EFI_SUCCESS; - } else { - return EFI_NOT_FOUND; - } - - } - } - // - // Decompress successfully. - // Loop the decompressed data searching for expected section. - // - CmpFileData = (VOID *) DstBuffer; - CmpFileSize = DstBufferSize; - do { - CmpSectionLength = *(UINT32 *) (CmpSection->Size) & 0x00ffffff; - if (CmpSection->Type == EFI_SECTION_PE32) { - // - // This is what we want - // - *Pe32Data = (VOID *) (CmpSection + 1); - return EFI_SUCCESS; - } - - OccupiedCmpSectionLength = GetOccupiedSize (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; -} -