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author | alfred <alfred@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-06-06 06:28:13 +0000 |
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committer | alfred <alfred@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-06-06 06:28:13 +0000 |
commit | 3005648db27e9d30a7d445d65049dece7b5cdded (patch) | |
tree | 1ba25a119fbfd82f10917888f40b4b5d27466ea4 /EdkModulePkg | |
parent | 72df7b0fc1f7c8e9e0d31dd64a0082659268abd7 (diff) | |
download | edk2-3005648db27e9d30a7d445d65049dece7b5cdded.zip edk2-3005648db27e9d30a7d445d65049dece7b5cdded.tar.gz edk2-3005648db27e9d30a7d445d65049dece7b5cdded.tar.bz2 |
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@428 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg')
-rw-r--r-- | EdkModulePkg/Core/DxeIplPeim/DxeLoadX64.c | 1978 |
1 files changed, 989 insertions, 989 deletions
diff --git a/EdkModulePkg/Core/DxeIplPeim/DxeLoadX64.c b/EdkModulePkg/Core/DxeIplPeim/DxeLoadX64.c index e0dbe84..43b7554 100644 --- a/EdkModulePkg/Core/DxeIplPeim/DxeLoadX64.c +++ b/EdkModulePkg/Core/DxeIplPeim/DxeLoadX64.c @@ -1,990 +1,990 @@ -/*++ - -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> - -#pragma warning( disable : 4305 ) - -BOOLEAN gInMemory = FALSE; - -// -// GUID for EM64T -// -#define EFI_PPI_NEEDED_BY_DXE \ - { \ - 0x4d37da42, 0x3a0c, 0x4eda, 0xb9, 0xeb, 0xbc, 0x0e, 0x1d, 0xb4, 0x71, 0x3b \ - } -EFI_GUID mPpiNeededByDxeGuid = EFI_PPI_NEEDED_BY_DXE; - -// -// 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 mPpiPeiInMemory = { - (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), - &gPeiInMemoryGuid, - NULL -}; - -static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = { - (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), - &gEfiEndOfPeiSignalPpiGuid, - NULL -}; - -DECOMPRESS_LIBRARY gEfiDecompress = { - UefiDecompressGetInfo, - UefiDecompress -}; - -DECOMPRESS_LIBRARY gTianoDecompress = { - TianoDecompressGetInfo, - TianoDecompress -}; - -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 = PeiCoreGetBootMode (&BootMode); - - ASSERT_EFI_ERROR (Status); - - Status = PeiCoreLocatePpi ( - &gPeiInMemoryGuid, - 0, - NULL, - NULL - ); - - if (EFI_ERROR (Status) && (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) { - // - // The DxeIpl has been shadowed - // - gInMemory = TRUE; - - // - // Install LoadFile PPI - // - Status = PeiCoreInstallPpi (&mPpiLoadFile); - - if (EFI_ERROR (Status)) { - return Status; - } - } - // - // Install DxeIpl PPI - // - PeiCoreInstallPpi (&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; - VOID *DxeCorePe32Data; - 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 = PeiCoreGetBootMode (&BootMode); - - if (!EFI_ERROR (Status) && (BootMode == BOOT_ON_S3_RESUME)) { - Status = PeiCoreLocatePpi ( - &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 - // -#ifdef EFI_NT_EMULATOR - PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol (); - ASSERT (PeiEfiPeiPeCoffLoader != NULL); -#else - PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderX64Protocol (); -#endif - -#if 0 - Status = InstallEfiPeiPeCoffLoader64 (PeiServices, &PeiEfiPeiPeCoffLoader, NULL); - ASSERT_EFI_ERROR (Status); -#endif - // - // Allocate 128KB for the Stack - // - PeiCoreAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack); - ASSERT (BaseOfStack != 0); - - // - // Compute the top of the stack we were allocated. Pre-allocate a 32 bytes - // for safety (PpisNeededByDxe and DxeCore). - // - TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32; - - // - // Add architecture-specifc HOBs (including the BspStore HOB) - // - Status = CreateArchSpecificHobs (&BspStore); - ASSERT_EFI_ERROR (Status); - - // - // See if we are in crisis recovery - // - Status = PeiCoreGetBootMode (&BootMode); - if (!EFI_ERROR (Status) && (BootMode == BOOT_IN_RECOVERY_MODE)) { - Status = PeiCoreLocatePpi ( - &gEfiPeiRecoveryModulePpiGuid, - 0, - NULL, - (VOID **)&PeiRecovery - ); - - ASSERT_EFI_ERROR (Status); - Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery); - ASSERT_EFI_ERROR (Status); - } - - // - // Find the DXE Core in a Firmware Volume - // - Status = PeiFindFile ( - EFI_FV_FILETYPE_DXE_CORE, - EFI_SECTION_PE32, - &DxeCoreFileName, - &DxeCorePe32Data - ); - ASSERT_EFI_ERROR (Status); - - // - // Transfer control to the DXE Core - // The handoff state is simply a pointer to the HOB list - // - // PEI_PERF_END (PeiServices, L"DxeIpl", NULL, 0); - - Status = PeiCoreInstallPpi (&mPpiSignal); - 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 = PeiLoadx64File ( - PeiEfiPeiPeCoffLoader, - DxeCorePe32Data, - EfiBootServicesData, - &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 - ); - - 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 - // - ASSERT_EFI_ERROR (Status); - - 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; - - // - // Foreach Firmware Volume, look for a specified type - // of file and break out when 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 = PeiCoreFfsFindNextFile ( - Type, - FwVolHeader, - &FfsFileHeader - ); - if (!EFI_ERROR (Status)) { - CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID)); - Status = PeiProcessFile ( - SectionType, - FfsFileHeader, - Pe32Data - ); - return Status; - } - Hob.Raw = GET_NEXT_HOB (Hob); - } - return EFI_NOT_FOUND; -} - -EFI_STATUS -PeiLoadx64File ( - 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 - // - PeiCoreAllocatePages (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 = PeiLoadx64File ( - PeiEfiPeiPeCoffLoader, - (VOID *) (Section + 1), - EfiBootServicesData, - &DxeIplAddress, - &DxeIplSize, - &DxeIplEntryPoint - ); - - if (Status == EFI_SUCCESS) { - // - // Install PeiInMemory to indicate the Dxeipl is shadowed - // - Status = PeiCoreInstallPpi (&mPpiPeiInMemory); - - if (EFI_ERROR (Status)) { - return Status; - } - - 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 - ); - - if (EFI_ERROR (Status)) { - return Status; - } - // - // Load the PE image from the FFS file - // - Status = PeiLoadx64File ( - PeiEfiPeiPeCoffLoader, - Pe32Data, - EfiBootServicesData, - ImageAddress, - ImageSize, - EntryPoint - ); - - return Status; -} - -EFI_STATUS -PeiProcessFile ( - IN UINT16 SectionType, - IN EFI_FFS_FILE_HEADER *FfsFileHeader, - OUT VOID **Pe32Data - ) -/*++ - -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; - - Status = PeiCoreFfsFindSectionData ( - EFI_SECTION_COMPRESSION, - FfsFileHeader, - &SectionData - ); - - // - // Upon finding a DXE Core file, see if there is first a 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 = PeiCoreLocatePpi ( - &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 = PeiCoreLocatePpi ( - &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: - DecompressLibrary = &gTianoDecompress; - break; - - case EFI_CUSTOMIZED_COMPRESSION: - // - // Load user customized compression protocol. - // - DecompressLibrary = &gCustomDecompress; - 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_RAW) { - // - // Skip the section header and - // adjust the pointer alignment to 16 - // - FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (DstBuffer + 16); - - if (FvHeader->Signature == EFI_FVH_SIGNATURE) { - FfsFileHeader = NULL; - BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength); - Status = PeiCoreFfsFindNextFile ( - EFI_FV_FILETYPE_DXE_CORE, - FvHeader, - &FfsFileHeader - ); - - if (EFI_ERROR (Status)) { - return EFI_NOT_FOUND; - } - - return PeiProcessFile (SectionType, FfsFileHeader, Pe32Data); - } - } - // - // 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); - } - - 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); - - // - // End of the decompression activity - // - } else { - - Status = PeiCoreFfsFindSectionData ( - EFI_SECTION_PE32, - FfsFileHeader, - &SectionData - ); - - if (EFI_ERROR (Status)) { - Status = PeiCoreFfsFindSectionData ( - EFI_SECTION_TE, - FfsFileHeader, - &SectionData - ); - if (EFI_ERROR (Status)) { - return Status; - } - } - } - - *Pe32Data = SectionData; - - return EFI_SUCCESS; +/*++
+
+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>
+
+#pragma warning( disable : 4305 )
+
+BOOLEAN gInMemory = FALSE;
+
+//
+// GUID for EM64T
+//
+#define EFI_PPI_NEEDED_BY_DXE \
+ { \
+ 0x4d37da42, 0x3a0c, 0x4eda, 0xb9, 0xeb, 0xbc, 0x0e, 0x1d, 0xb4, 0x71, 0x3b \
+ }
+EFI_GUID mPpiNeededByDxeGuid = EFI_PPI_NEEDED_BY_DXE;
+
+//
+// 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 mPpiPeiInMemory = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gPeiInMemoryGuid,
+ NULL
+};
+
+static EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiEndOfPeiSignalPpiGuid,
+ NULL
+};
+
+DECOMPRESS_LIBRARY gEfiDecompress = {
+ UefiDecompressGetInfo,
+ UefiDecompress
+};
+
+DECOMPRESS_LIBRARY gTianoDecompress = {
+ TianoDecompressGetInfo,
+ TianoDecompress
+};
+
+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 = PeiCoreGetBootMode (&BootMode);
+
+ ASSERT_EFI_ERROR (Status);
+
+ Status = PeiCoreLocatePpi (
+ &gPeiInMemoryGuid,
+ 0,
+ NULL,
+ NULL
+ );
+
+ if (EFI_ERROR (Status) && (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) {
+ //
+ // The DxeIpl has been shadowed
+ //
+ gInMemory = TRUE;
+
+ //
+ // Install LoadFile PPI
+ //
+ Status = PeiCoreInstallPpi (&mPpiLoadFile);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+ //
+ // Install DxeIpl PPI
+ //
+ PeiCoreInstallPpi (&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;
+ VOID *DxeCorePe32Data;
+ 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 = PeiCoreGetBootMode (&BootMode);
+
+ if (!EFI_ERROR (Status) && (BootMode == BOOT_ON_S3_RESUME)) {
+ Status = PeiCoreLocatePpi (
+ &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
+ //
+#ifdef EFI_NT_EMULATOR
+ PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderProtocol ();
+ ASSERT (PeiEfiPeiPeCoffLoader != NULL);
+#else
+ PeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)GetPeCoffLoaderX64Protocol ();
+#endif
+
+#if 0
+ Status = InstallEfiPeiPeCoffLoader64 (PeiServices, &PeiEfiPeiPeCoffLoader, NULL);
+ ASSERT_EFI_ERROR (Status);
+#endif
+ //
+ // Allocate 128KB for the Stack
+ //
+ PeiCoreAllocatePages (EfiBootServicesData, EFI_SIZE_TO_PAGES (STACK_SIZE), &BaseOfStack);
+ ASSERT (BaseOfStack != 0);
+
+ //
+ // Compute the top of the stack we were allocated. Pre-allocate a 32 bytes
+ // for safety (PpisNeededByDxe and DxeCore).
+ //
+ TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32;
+
+ //
+ // Add architecture-specifc HOBs (including the BspStore HOB)
+ //
+ Status = CreateArchSpecificHobs (&BspStore);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // See if we are in crisis recovery
+ //
+ Status = PeiCoreGetBootMode (&BootMode);
+ if (!EFI_ERROR (Status) && (BootMode == BOOT_IN_RECOVERY_MODE)) {
+ Status = PeiCoreLocatePpi (
+ &gEfiPeiRecoveryModulePpiGuid,
+ 0,
+ NULL,
+ (VOID **)&PeiRecovery
+ );
+
+ ASSERT_EFI_ERROR (Status);
+ Status = PeiRecovery->LoadRecoveryCapsule (PeiServices, PeiRecovery);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Find the DXE Core in a Firmware Volume
+ //
+ Status = PeiFindFile (
+ EFI_FV_FILETYPE_DXE_CORE,
+ EFI_SECTION_PE32,
+ &DxeCoreFileName,
+ &DxeCorePe32Data
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Transfer control to the DXE Core
+ // The handoff state is simply a pointer to the HOB list
+ //
+ // PEI_PERF_END (PeiServices, L"DxeIpl", NULL, 0);
+
+ Status = PeiCoreInstallPpi (&mPpiSignal);
+ 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 = PeiLoadx64File (
+ PeiEfiPeiPeCoffLoader,
+ DxeCorePe32Data,
+ EfiBootServicesData,
+ &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
+ );
+
+ 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
+ //
+ ASSERT_EFI_ERROR (Status);
+
+ 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;
+
+ //
+ // Foreach Firmware Volume, look for a specified type
+ // of file and break out when 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 = PeiCoreFfsFindNextFile (
+ Type,
+ FwVolHeader,
+ &FfsFileHeader
+ );
+ if (!EFI_ERROR (Status)) {
+ CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID));
+ Status = PeiProcessFile (
+ SectionType,
+ FfsFileHeader,
+ Pe32Data
+ );
+ return Status;
+ }
+ Hob.Raw = GET_NEXT_HOB (Hob);
+ }
+ return EFI_NOT_FOUND;
+}
+
+EFI_STATUS
+PeiLoadx64File (
+ 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
+ //
+ PeiCoreAllocatePages (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 = PeiLoadx64File (
+ PeiEfiPeiPeCoffLoader,
+ (VOID *) (Section + 1),
+ EfiBootServicesData,
+ &DxeIplAddress,
+ &DxeIplSize,
+ &DxeIplEntryPoint
+ );
+
+ if (Status == EFI_SUCCESS) {
+ //
+ // Install PeiInMemory to indicate the Dxeipl is shadowed
+ //
+ Status = PeiCoreInstallPpi (&mPpiPeiInMemory);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ 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
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Load the PE image from the FFS file
+ //
+ Status = PeiLoadx64File (
+ PeiEfiPeiPeCoffLoader,
+ Pe32Data,
+ EfiBootServicesData,
+ ImageAddress,
+ ImageSize,
+ EntryPoint
+ );
+
+ return Status;
+}
+
+EFI_STATUS
+PeiProcessFile (
+ IN UINT16 SectionType,
+ IN EFI_FFS_FILE_HEADER *FfsFileHeader,
+ OUT VOID **Pe32Data
+ )
+/*++
+
+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;
+
+ Status = PeiCoreFfsFindSectionData (
+ EFI_SECTION_COMPRESSION,
+ FfsFileHeader,
+ &SectionData
+ );
+
+ //
+ // Upon finding a DXE Core file, see if there is first a 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 = PeiCoreLocatePpi (
+ &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 = PeiCoreLocatePpi (
+ &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:
+ DecompressLibrary = &gTianoDecompress;
+ break;
+
+ case EFI_CUSTOMIZED_COMPRESSION:
+ //
+ // Load user customized compression protocol.
+ //
+ DecompressLibrary = &gCustomDecompress;
+ 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_RAW) {
+ //
+ // Skip the section header and
+ // adjust the pointer alignment to 16
+ //
+ FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (DstBuffer + 16);
+
+ if (FvHeader->Signature == EFI_FVH_SIGNATURE) {
+ FfsFileHeader = NULL;
+ BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength);
+ Status = PeiCoreFfsFindNextFile (
+ EFI_FV_FILETYPE_DXE_CORE,
+ FvHeader,
+ &FfsFileHeader
+ );
+
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ return PeiProcessFile (SectionType, FfsFileHeader, Pe32Data);
+ }
+ }
+ //
+ // 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);
+ }
+
+ 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);
+
+ //
+ // End of the decompression activity
+ //
+ } else {
+
+ Status = PeiCoreFfsFindSectionData (
+ EFI_SECTION_PE32,
+ FfsFileHeader,
+ &SectionData
+ );
+
+ if (EFI_ERROR (Status)) {
+ Status = PeiCoreFfsFindSectionData (
+ EFI_SECTION_TE,
+ FfsFileHeader,
+ &SectionData
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+ }
+
+ *Pe32Data = SectionData;
+
+ return EFI_SUCCESS;
}
\ No newline at end of file |