From 1e57a46299244793beb27e74be171d1540606999 Mon Sep 17 00:00:00 2001 From: oliviermartin Date: Fri, 25 Jan 2013 11:28:06 +0000 Subject: ARM Packages: Fixed line endings This large code change only modifies the line endings to be CRLF to be compliant with the EDK2 coding convention document. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14088 6f19259b-4bc3-4df7-8a09-765794883524 --- EmbeddedPkg/Library/PrePiLib/FwVol.c | 1684 +++++++++++------------ EmbeddedPkg/Library/PrePiLib/PrePi.h | 92 +- EmbeddedPkg/Library/PrePiLib/PrePiLib.c | 452 +++--- EmbeddedPkg/Library/PrePiLib/ReportStatusCode.c | 654 ++++----- 4 files changed, 1441 insertions(+), 1441 deletions(-) (limited to 'EmbeddedPkg/Library/PrePiLib') diff --git a/EmbeddedPkg/Library/PrePiLib/FwVol.c b/EmbeddedPkg/Library/PrePiLib/FwVol.c index 75d28a7257..9e4cdd002e 100644 --- a/EmbeddedPkg/Library/PrePiLib/FwVol.c +++ b/EmbeddedPkg/Library/PrePiLib/FwVol.c @@ -1,842 +1,842 @@ -/** @file - Implementation of the 6 PEI Ffs (FV) APIs in library form. - - This code only knows about a FV if it has a EFI_HOB_TYPE_FV entry in the HOB list - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#include -#include - - -#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \ - (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)) - - -/** - Returns the highest bit set of the State field - - @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY - in the Attributes field. - @param FfsHeader Pointer to FFS File Header - - - @retval the highest bit in the State field - -**/ -STATIC -EFI_FFS_FILE_STATE -GetFileState( - IN UINT8 ErasePolarity, - IN EFI_FFS_FILE_HEADER *FfsHeader - ) -{ - EFI_FFS_FILE_STATE FileState; - EFI_FFS_FILE_STATE HighestBit; - - FileState = FfsHeader->State; - - if (ErasePolarity != 0) { - FileState = (EFI_FFS_FILE_STATE)~FileState; - } - - HighestBit = 0x80; - while (HighestBit != 0 && (HighestBit & FileState) == 0) { - HighestBit >>= 1; - } - - return HighestBit; -} - - -/** - Calculates the checksum of the header of a file. - The header is a zero byte checksum, so zero means header is good - - @param FfsHeader Pointer to FFS File Header - - @retval Checksum of the header - -**/ -STATIC -UINT8 -CalculateHeaderChecksum ( - IN EFI_FFS_FILE_HEADER *FileHeader - ) -{ - UINT8 *Ptr; - UINTN Index; - UINT8 Sum; - - Sum = 0; - Ptr = (UINT8 *)FileHeader; - - for (Index = 0; Index < sizeof(EFI_FFS_FILE_HEADER) - 3; Index += 4) { - Sum = (UINT8)(Sum + Ptr[Index]); - Sum = (UINT8)(Sum + Ptr[Index+1]); - Sum = (UINT8)(Sum + Ptr[Index+2]); - Sum = (UINT8)(Sum + Ptr[Index+3]); - } - - for (; Index < sizeof(EFI_FFS_FILE_HEADER); Index++) { - Sum = (UINT8)(Sum + Ptr[Index]); - } - - // - // State field (since this indicates the different state of file). - // - Sum = (UINT8)(Sum - FileHeader->State); - // - // Checksum field of the file is not part of the header checksum. - // - Sum = (UINT8)(Sum - FileHeader->IntegrityCheck.Checksum.File); - - return Sum; -} - - -/** - Given a FileHandle return the VolumeHandle - - @param FileHandle File handle to look up - @param VolumeHandle Match for FileHandle - - @retval TRUE VolumeHandle is valid - -**/ -STATIC -BOOLEAN -EFIAPI -FileHandleToVolume ( - IN EFI_PEI_FILE_HANDLE FileHandle, - OUT EFI_PEI_FV_HANDLE *VolumeHandle - ) -{ - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - EFI_PEI_HOB_POINTERS Hob; - - Hob.Raw = GetHobList (); - if (Hob.Raw == NULL) { - return FALSE; - } - - do { - Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw); - if (Hob.Raw != NULL) { - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)(Hob.FirmwareVolume->BaseAddress); - if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \ - ((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) { - *VolumeHandle = (EFI_PEI_FV_HANDLE)FwVolHeader; - return TRUE; - } - - Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, GET_NEXT_HOB (Hob)); - } - } while (Hob.Raw != NULL); - - return FALSE; -} - - - -/** - Given the input file pointer, search for the next matching file in the - FFS volume as defined by SearchType. The search starts from FileHeader inside - the Firmware Volume defined by FwVolHeader. - - @param FileHandle File handle to look up - @param VolumeHandle Match for FileHandle - - -**/ -EFI_STATUS -FindFileEx ( - IN CONST EFI_PEI_FV_HANDLE FvHandle, - IN CONST EFI_GUID *FileName, OPTIONAL - IN EFI_FV_FILETYPE SearchType, - IN OUT EFI_PEI_FILE_HANDLE *FileHandle - ) -{ - EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; - EFI_FFS_FILE_HEADER **FileHeader; - EFI_FFS_FILE_HEADER *FfsFileHeader; - EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo; - UINT32 FileLength; - UINT32 FileOccupiedSize; - UINT32 FileOffset; - UINT64 FvLength; - UINT8 ErasePolarity; - UINT8 FileState; - - FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)FvHandle; - FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle; - - FvLength = FwVolHeader->FvLength; - if (FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) { - ErasePolarity = 1; - } else { - ErasePolarity = 0; - } - - // - // If FileHeader is not specified (NULL) or FileName is not NULL, - // start with the first file in the firmware volume. Otherwise, - // start from the FileHeader. - // - if ((*FileHeader == NULL) || (FileName != NULL)) { - FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength); - if (FwVolHeader->ExtHeaderOffset != 0) { - FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER *)(((UINT8 *)FwVolHeader) + FwVolHeader->ExtHeaderOffset); - FfsFileHeader = (EFI_FFS_FILE_HEADER *)(((UINT8 *)FwVolExHeaderInfo) + FwVolExHeaderInfo->ExtHeaderSize); - } - } else { - // - // Length is 24 bits wide so mask upper 8 bits - // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned. - // - FileLength = *(UINT32 *)(*FileHeader)->Size & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8); - FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize); - } - - FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader); - ASSERT (FileOffset <= 0xFFFFFFFF); - - while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) { - // - // Get FileState which is the highest bit of the State - // - FileState = GetFileState (ErasePolarity, FfsFileHeader); - - switch (FileState) { - - case EFI_FILE_HEADER_INVALID: - FileOffset += sizeof(EFI_FFS_FILE_HEADER); - FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + sizeof(EFI_FFS_FILE_HEADER)); - break; - - case EFI_FILE_DATA_VALID: - case EFI_FILE_MARKED_FOR_UPDATE: - if (CalculateHeaderChecksum (FfsFileHeader) != 0) { - ASSERT (FALSE); - *FileHeader = NULL; - return EFI_NOT_FOUND; - } - - FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8); - - if (FileName != NULL) { - if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) { - *FileHeader = FfsFileHeader; - return EFI_SUCCESS; - } - } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) && - (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) { - *FileHeader = FfsFileHeader; - return EFI_SUCCESS; - } - - FileOffset += FileOccupiedSize; - FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize); - break; - - case EFI_FILE_DELETED: - FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; - FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8); - FileOffset += FileOccupiedSize; - FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize); - break; - - default: - *FileHeader = NULL; - return EFI_NOT_FOUND; - } - } - - - *FileHeader = NULL; - return EFI_NOT_FOUND; -} - - -/** - Go through the file to search SectionType section, - when meeting an encapsuled section. - - @param SectionType - Filter to find only section of this type. - @param Section - From where to search. - @param SectionSize - The file size to search. - @param OutputBuffer - Pointer to the section to search. - - @retval EFI_SUCCESS -**/ -EFI_STATUS -FfsProcessSection ( - IN EFI_SECTION_TYPE SectionType, - IN EFI_COMMON_SECTION_HEADER *Section, - IN UINTN SectionSize, - OUT VOID **OutputBuffer - ) -{ - EFI_STATUS Status; - UINT32 SectionLength; - UINT32 ParsedLength; - EFI_COMPRESSION_SECTION *CompressionSection; - UINTN DstBufferSize; - VOID *ScratchBuffer; - UINT32 ScratchBufferSize; - VOID *DstBuffer; - UINT16 SectionAttribute; - UINT32 AuthenticationStatus; - - - *OutputBuffer = NULL; - ParsedLength = 0; - Status = EFI_NOT_FOUND; - while (ParsedLength < SectionSize) { - if (Section->Type == SectionType) { - *OutputBuffer = (VOID *)(Section + 1); - - return EFI_SUCCESS; - } else if ((Section->Type == EFI_SECTION_COMPRESSION) || (Section->Type == EFI_SECTION_GUID_DEFINED)) { - - if (Section->Type == EFI_SECTION_COMPRESSION) { - CompressionSection = (EFI_COMPRESSION_SECTION *) Section; - SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF; - - if (CompressionSection->CompressionType != EFI_STANDARD_COMPRESSION) { - return EFI_UNSUPPORTED; - } - - Status = UefiDecompressGetInfo ( - (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1), - (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION), - (UINT32 *) &DstBufferSize, - &ScratchBufferSize - ); - } else if (Section->Type == EFI_SECTION_GUID_DEFINED) { - Status = ExtractGuidedSectionGetInfo ( - Section, - (UINT32 *) &DstBufferSize, - &ScratchBufferSize, - &SectionAttribute - ); - } - - if (EFI_ERROR (Status)) { - // - // GetInfo failed - // - DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status)); - return EFI_NOT_FOUND; - } - // - // Allocate scratch buffer - // - ScratchBuffer = (VOID *)(UINTN)AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize)); - if (ScratchBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - // - // Allocate destination buffer, extra one page for adjustment - // - DstBuffer = (VOID *)(UINTN)AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1); - if (DstBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - // - // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header - // to make section data at page alignment. - // - DstBuffer = (UINT8 *)DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER); - // - // Call decompress function - // - if (Section->Type == EFI_SECTION_COMPRESSION) { - Status = UefiDecompress ( - (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1), - DstBuffer, - ScratchBuffer - ); - } else if (Section->Type == EFI_SECTION_GUID_DEFINED) { - Status = ExtractGuidedSectionDecode ( - Section, - &DstBuffer, - ScratchBuffer, - &AuthenticationStatus - ); - } - - if (EFI_ERROR (Status)) { - // - // Decompress failed - // - DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status)); - return EFI_NOT_FOUND; - } else { - return FfsProcessSection ( - SectionType, - DstBuffer, - DstBufferSize, - OutputBuffer - ); - } - } - - // - // Size is 24 bits wide so mask upper 8 bits. - // SectionLength is adjusted it is 4 byte aligned. - // Go to the next section - // - SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF; - SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4); - ASSERT (SectionLength != 0); - ParsedLength += SectionLength; - Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength); - } - - return EFI_NOT_FOUND; -} - - - -/** - This service enables discovery sections of a given type within a valid FFS file. - - @param SearchType The value of the section type to find. - @param FfsFileHeader A pointer to the file header that contains the set of sections to - be searched. - @param SectionData A pointer to the discovered section, if successful. - - @retval EFI_SUCCESS The section was found. - @retval EFI_NOT_FOUND The section was not found. - -**/ -EFI_STATUS -EFIAPI -FfsFindSectionData ( - IN EFI_SECTION_TYPE SectionType, - IN EFI_PEI_FILE_HANDLE FileHandle, - OUT VOID **SectionData - ) -{ - EFI_FFS_FILE_HEADER *FfsFileHeader; - UINT32 FileSize; - EFI_COMMON_SECTION_HEADER *Section; - - FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle); - - // - // Size is 24 bits wide so mask upper 8 bits. - // Does not include FfsFileHeader header size - // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned. - // - Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1); - FileSize = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; - FileSize -= sizeof (EFI_FFS_FILE_HEADER); - - return FfsProcessSection ( - SectionType, - Section, - FileSize, - SectionData - ); -} - - - - - - -/** - This service enables discovery of additional firmware files. - - @param SearchType A filter to find files only of this type. - @param FwVolHeader Pointer to the firmware volume header of the volume to search. - This parameter must point to a valid FFS volume. - @param FileHeader Pointer to the current file from which to begin searching. - - @retval EFI_SUCCESS The file was found. - @retval EFI_NOT_FOUND The file was not found. - @retval EFI_NOT_FOUND The header checksum was not zero. - -**/ -EFI_STATUS -EFIAPI -FfsFindNextFile ( - IN UINT8 SearchType, - IN EFI_PEI_FV_HANDLE VolumeHandle, - IN OUT EFI_PEI_FILE_HANDLE *FileHandle - ) -{ - return FindFileEx (VolumeHandle, NULL, SearchType, FileHandle); -} - - -/** - This service enables discovery of additional firmware volumes. - - @param Instance This instance of the firmware volume to find. The value 0 is the - Boot Firmware Volume (BFV). - @param FwVolHeader Pointer to the firmware volume header of the volume to return. - - @retval EFI_SUCCESS The volume was found. - @retval EFI_NOT_FOUND The volume was not found. - -**/ -EFI_STATUS -EFIAPI -FfsFindNextVolume ( - IN UINTN Instance, - IN OUT EFI_PEI_FV_HANDLE *VolumeHandle - ) -{ - EFI_PEI_HOB_POINTERS Hob; - - - Hob.Raw = GetHobList (); - if (Hob.Raw == NULL) { - return EFI_NOT_FOUND; - } - - do { - Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw); - if (Hob.Raw != NULL) { - if (Instance-- == 0) { - *VolumeHandle = (EFI_PEI_FV_HANDLE)(UINTN)(Hob.FirmwareVolume->BaseAddress); - return EFI_SUCCESS; - } - - Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, GET_NEXT_HOB (Hob)); - } - } while (Hob.Raw != NULL); - - return EFI_NOT_FOUND; - -} - - -/** - Find a file in the volume by name - - @param FileName A pointer to the name of the file to - find within the firmware volume. - - @param VolumeHandle The firmware volume to search FileHandle - Upon exit, points to the found file's - handle or NULL if it could not be found. - - @retval EFI_SUCCESS File was found. - - @retval EFI_NOT_FOUND File was not found. - - @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or - FileName was NULL. - -**/ -EFI_STATUS -EFIAPI -FfsFindFileByName ( - IN CONST EFI_GUID *FileName, - IN EFI_PEI_FV_HANDLE VolumeHandle, - OUT EFI_PEI_FILE_HANDLE *FileHandle - ) -{ - EFI_STATUS Status; - if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) { - return EFI_INVALID_PARAMETER; - } - Status = FindFileEx (VolumeHandle, FileName, 0, FileHandle); - if (Status == EFI_NOT_FOUND) { - *FileHandle = NULL; - } - return Status; -} - - - - -/** - Get information about the file by name. - - @param FileHandle Handle of the file. - - @param FileInfo Upon exit, points to the file's - information. - - @retval EFI_SUCCESS File information returned. - - @retval EFI_INVALID_PARAMETER If FileHandle does not - represent a valid file. - - @retval EFI_INVALID_PARAMETER If FileInfo is NULL. - -**/ -EFI_STATUS -EFIAPI -FfsGetFileInfo ( - IN EFI_PEI_FILE_HANDLE FileHandle, - OUT EFI_FV_FILE_INFO *FileInfo - ) -{ - UINT8 FileState; - UINT8 ErasePolarity; - EFI_FFS_FILE_HEADER *FileHeader; - EFI_PEI_FV_HANDLE VolumeHandle; - - if ((FileHandle == NULL) || (FileInfo == NULL)) { - return EFI_INVALID_PARAMETER; - } - - VolumeHandle = 0; - // - // Retrieve the FirmwareVolume which the file resides in. - // - if (!FileHandleToVolume(FileHandle, &VolumeHandle)) { - return EFI_INVALID_PARAMETER; - } - - if (((EFI_FIRMWARE_VOLUME_HEADER*)VolumeHandle)->Attributes & EFI_FVB2_ERASE_POLARITY) { - ErasePolarity = 1; - } else { - ErasePolarity = 0; - } - - // - // Get FileState which is the highest bit of the State - // - FileState = GetFileState (ErasePolarity, (EFI_FFS_FILE_HEADER*)FileHandle); - - switch (FileState) { - case EFI_FILE_DATA_VALID: - case EFI_FILE_MARKED_FOR_UPDATE: - break; - default: - return EFI_INVALID_PARAMETER; - } - - FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle; - CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID)); - FileInfo->FileType = FileHeader->Type; - FileInfo->FileAttributes = FileHeader->Attributes; - FileInfo->BufferSize = ((*(UINT32 *)FileHeader->Size) & 0x00FFFFFF) - sizeof (EFI_FFS_FILE_HEADER); - FileInfo->Buffer = (FileHeader + 1); - return EFI_SUCCESS; -} - - -/** - Get Information about the volume by name - - @param VolumeHandle Handle of the volume. - - @param VolumeInfo Upon exit, points to the volume's - information. - - @retval EFI_SUCCESS File information returned. - - @retval EFI_INVALID_PARAMETER If FileHandle does not - represent a valid file. - - @retval EFI_INVALID_PARAMETER If FileInfo is NULL. - -**/ -EFI_STATUS -EFIAPI -FfsGetVolumeInfo ( - IN EFI_PEI_FV_HANDLE VolumeHandle, - OUT EFI_FV_INFO *VolumeInfo - ) -{ - EFI_FIRMWARE_VOLUME_HEADER FwVolHeader; - EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo; - - if (VolumeInfo == NULL) { - return EFI_INVALID_PARAMETER; - } - - // - // VolumeHandle may not align at 8 byte, - // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte. - // So, Copy FvHeader into the local FvHeader structure. - // - CopyMem (&FwVolHeader, VolumeHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER)); - // - // Check Fv Image Signature - // - if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) { - return EFI_INVALID_PARAMETER; - } - VolumeInfo->FvAttributes = FwVolHeader.Attributes; - VolumeInfo->FvStart = (VOID *) VolumeHandle; - VolumeInfo->FvSize = FwVolHeader.FvLength; - CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID)); - - if (FwVolHeader.ExtHeaderOffset != 0) { - FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)VolumeHandle) + FwVolHeader.ExtHeaderOffset); - CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID)); - } - return EFI_SUCCESS; -} - - - -/** - Search through every FV until you find a file of type FileType - - @param FileType File handle of a Fv type file. - @param Volumehandle On succes Volume Handle of the match - @param FileHandle On success File Handle of the match - - @retval EFI_NOT_FOUND FV image can't be found. - @retval EFI_SUCCESS Successfully found FileType - -**/ -EFI_STATUS -EFIAPI -FfsAnyFvFindFirstFile ( - IN EFI_FV_FILETYPE FileType, - OUT EFI_PEI_FV_HANDLE *VolumeHandle, - OUT EFI_PEI_FILE_HANDLE *FileHandle - ) -{ - EFI_STATUS Status; - UINTN Instance; - - // - // Search every FV for the DXE Core - // - Instance = 0; - *FileHandle = NULL; - - while (1) - { - Status = FfsFindNextVolume (Instance++, VolumeHandle); - if (EFI_ERROR (Status)) - { - break; - } - - Status = FfsFindNextFile (FileType, *VolumeHandle, FileHandle); - if (!EFI_ERROR (Status)) - { - break; - } - } - - return Status; -} - - - -/** - Get Fv image from the FV type file, then add FV & FV2 Hob. - - @param FileHandle File handle of a Fv type file. - - - @retval EFI_NOT_FOUND FV image can't be found. - @retval EFI_SUCCESS Successfully to process it. - -**/ -EFI_STATUS -EFIAPI -FfsProcessFvFile ( - IN EFI_PEI_FILE_HANDLE FvFileHandle - ) -{ - EFI_STATUS Status; - EFI_PEI_FV_HANDLE FvImageHandle; - EFI_FV_INFO FvImageInfo; - UINT32 FvAlignment; - VOID *FvBuffer; - EFI_PEI_HOB_POINTERS HobFv2; - - FvBuffer = NULL; - - - // - // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already - // been extracted. - // - HobFv2.Raw = GetHobList (); - while ((HobFv2.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobFv2.Raw)) != NULL) { - if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name), &HobFv2.FirmwareVolume2->FileName)) { - // - // this FILE has been dispatched, it will not be dispatched again. - // - return EFI_SUCCESS; - } - HobFv2.Raw = GET_NEXT_HOB (HobFv2); - } - - // - // Find FvImage in FvFile - // - Status = FfsFindSectionData (EFI_SECTION_FIRMWARE_VOLUME_IMAGE, FvFileHandle, (VOID **)&FvImageHandle); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Collect FvImage Info. - // - ZeroMem (&FvImageInfo, sizeof (FvImageInfo)); - Status = FfsGetVolumeInfo (FvImageHandle, &FvImageInfo); - ASSERT_EFI_ERROR (Status); - - // - // FvAlignment must be more than 8 bytes required by FvHeader structure. - // - FvAlignment = 1 << ((FvImageInfo.FvAttributes & EFI_FVB2_ALIGNMENT) >> 16); - if (FvAlignment < 8) { - FvAlignment = 8; - } - - // - // Check FvImage - // - if ((UINTN) FvImageInfo.FvStart % FvAlignment != 0) { - FvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvImageInfo.FvSize), FvAlignment); - if (FvBuffer == NULL) { - return EFI_OUT_OF_RESOURCES; - } - CopyMem (FvBuffer, FvImageInfo.FvStart, (UINTN) FvImageInfo.FvSize); - // - // Update FvImageInfo after reload FvImage to new aligned memory - // - FfsGetVolumeInfo ((EFI_PEI_FV_HANDLE) FvBuffer, &FvImageInfo); - } - - - // - // Inform HOB consumer phase, i.e. DXE core, the existance of this FV - // - BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart, FvImageInfo.FvSize); - - // - // Makes the encapsulated volume show up in DXE phase to skip processing of - // encapsulated file again. - // - BuildFv2Hob ( - (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart, - FvImageInfo.FvSize, - &FvImageInfo.FvName, - &(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name) - ); - - return EFI_SUCCESS; -} - - +/** @file + Implementation of the 6 PEI Ffs (FV) APIs in library form. + + This code only knows about a FV if it has a EFI_HOB_TYPE_FV entry in the HOB list + + Copyright (c) 2008 - 2009, Apple Inc. 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. + +**/ + +#include +#include + + +#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \ + (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)) + + +/** + Returns the highest bit set of the State field + + @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY + in the Attributes field. + @param FfsHeader Pointer to FFS File Header + + + @retval the highest bit in the State field + +**/ +STATIC +EFI_FFS_FILE_STATE +GetFileState( + IN UINT8 ErasePolarity, + IN EFI_FFS_FILE_HEADER *FfsHeader + ) +{ + EFI_FFS_FILE_STATE FileState; + EFI_FFS_FILE_STATE HighestBit; + + FileState = FfsHeader->State; + + if (ErasePolarity != 0) { + FileState = (EFI_FFS_FILE_STATE)~FileState; + } + + HighestBit = 0x80; + while (HighestBit != 0 && (HighestBit & FileState) == 0) { + HighestBit >>= 1; + } + + return HighestBit; +} + + +/** + Calculates the checksum of the header of a file. + The header is a zero byte checksum, so zero means header is good + + @param FfsHeader Pointer to FFS File Header + + @retval Checksum of the header + +**/ +STATIC +UINT8 +CalculateHeaderChecksum ( + IN EFI_FFS_FILE_HEADER *FileHeader + ) +{ + UINT8 *Ptr; + UINTN Index; + UINT8 Sum; + + Sum = 0; + Ptr = (UINT8 *)FileHeader; + + for (Index = 0; Index < sizeof(EFI_FFS_FILE_HEADER) - 3; Index += 4) { + Sum = (UINT8)(Sum + Ptr[Index]); + Sum = (UINT8)(Sum + Ptr[Index+1]); + Sum = (UINT8)(Sum + Ptr[Index+2]); + Sum = (UINT8)(Sum + Ptr[Index+3]); + } + + for (; Index < sizeof(EFI_FFS_FILE_HEADER); Index++) { + Sum = (UINT8)(Sum + Ptr[Index]); + } + + // + // State field (since this indicates the different state of file). + // + Sum = (UINT8)(Sum - FileHeader->State); + // + // Checksum field of the file is not part of the header checksum. + // + Sum = (UINT8)(Sum - FileHeader->IntegrityCheck.Checksum.File); + + return Sum; +} + + +/** + Given a FileHandle return the VolumeHandle + + @param FileHandle File handle to look up + @param VolumeHandle Match for FileHandle + + @retval TRUE VolumeHandle is valid + +**/ +STATIC +BOOLEAN +EFIAPI +FileHandleToVolume ( + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_PEI_FV_HANDLE *VolumeHandle + ) +{ + EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; + EFI_PEI_HOB_POINTERS Hob; + + Hob.Raw = GetHobList (); + if (Hob.Raw == NULL) { + return FALSE; + } + + do { + Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw); + if (Hob.Raw != NULL) { + FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)(Hob.FirmwareVolume->BaseAddress); + if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \ + ((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) { + *VolumeHandle = (EFI_PEI_FV_HANDLE)FwVolHeader; + return TRUE; + } + + Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, GET_NEXT_HOB (Hob)); + } + } while (Hob.Raw != NULL); + + return FALSE; +} + + + +/** + Given the input file pointer, search for the next matching file in the + FFS volume as defined by SearchType. The search starts from FileHeader inside + the Firmware Volume defined by FwVolHeader. + + @param FileHandle File handle to look up + @param VolumeHandle Match for FileHandle + + +**/ +EFI_STATUS +FindFileEx ( + IN CONST EFI_PEI_FV_HANDLE FvHandle, + IN CONST EFI_GUID *FileName, OPTIONAL + IN EFI_FV_FILETYPE SearchType, + IN OUT EFI_PEI_FILE_HANDLE *FileHandle + ) +{ + EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader; + EFI_FFS_FILE_HEADER **FileHeader; + EFI_FFS_FILE_HEADER *FfsFileHeader; + EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo; + UINT32 FileLength; + UINT32 FileOccupiedSize; + UINT32 FileOffset; + UINT64 FvLength; + UINT8 ErasePolarity; + UINT8 FileState; + + FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)FvHandle; + FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle; + + FvLength = FwVolHeader->FvLength; + if (FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) { + ErasePolarity = 1; + } else { + ErasePolarity = 0; + } + + // + // If FileHeader is not specified (NULL) or FileName is not NULL, + // start with the first file in the firmware volume. Otherwise, + // start from the FileHeader. + // + if ((*FileHeader == NULL) || (FileName != NULL)) { + FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength); + if (FwVolHeader->ExtHeaderOffset != 0) { + FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER *)(((UINT8 *)FwVolHeader) + FwVolHeader->ExtHeaderOffset); + FfsFileHeader = (EFI_FFS_FILE_HEADER *)(((UINT8 *)FwVolExHeaderInfo) + FwVolExHeaderInfo->ExtHeaderSize); + } + } else { + // + // Length is 24 bits wide so mask upper 8 bits + // FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned. + // + FileLength = *(UINT32 *)(*FileHeader)->Size & 0x00FFFFFF; + FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8); + FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize); + } + + FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader); + ASSERT (FileOffset <= 0xFFFFFFFF); + + while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) { + // + // Get FileState which is the highest bit of the State + // + FileState = GetFileState (ErasePolarity, FfsFileHeader); + + switch (FileState) { + + case EFI_FILE_HEADER_INVALID: + FileOffset += sizeof(EFI_FFS_FILE_HEADER); + FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + sizeof(EFI_FFS_FILE_HEADER)); + break; + + case EFI_FILE_DATA_VALID: + case EFI_FILE_MARKED_FOR_UPDATE: + if (CalculateHeaderChecksum (FfsFileHeader) != 0) { + ASSERT (FALSE); + *FileHeader = NULL; + return EFI_NOT_FOUND; + } + + FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; + FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8); + + if (FileName != NULL) { + if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) { + *FileHeader = FfsFileHeader; + return EFI_SUCCESS; + } + } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) && + (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) { + *FileHeader = FfsFileHeader; + return EFI_SUCCESS; + } + + FileOffset += FileOccupiedSize; + FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize); + break; + + case EFI_FILE_DELETED: + FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; + FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8); + FileOffset += FileOccupiedSize; + FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize); + break; + + default: + *FileHeader = NULL; + return EFI_NOT_FOUND; + } + } + + + *FileHeader = NULL; + return EFI_NOT_FOUND; +} + + +/** + Go through the file to search SectionType section, + when meeting an encapsuled section. + + @param SectionType - Filter to find only section of this type. + @param Section - From where to search. + @param SectionSize - The file size to search. + @param OutputBuffer - Pointer to the section to search. + + @retval EFI_SUCCESS +**/ +EFI_STATUS +FfsProcessSection ( + IN EFI_SECTION_TYPE SectionType, + IN EFI_COMMON_SECTION_HEADER *Section, + IN UINTN SectionSize, + OUT VOID **OutputBuffer + ) +{ + EFI_STATUS Status; + UINT32 SectionLength; + UINT32 ParsedLength; + EFI_COMPRESSION_SECTION *CompressionSection; + UINTN DstBufferSize; + VOID *ScratchBuffer; + UINT32 ScratchBufferSize; + VOID *DstBuffer; + UINT16 SectionAttribute; + UINT32 AuthenticationStatus; + + + *OutputBuffer = NULL; + ParsedLength = 0; + Status = EFI_NOT_FOUND; + while (ParsedLength < SectionSize) { + if (Section->Type == SectionType) { + *OutputBuffer = (VOID *)(Section + 1); + + return EFI_SUCCESS; + } else if ((Section->Type == EFI_SECTION_COMPRESSION) || (Section->Type == EFI_SECTION_GUID_DEFINED)) { + + if (Section->Type == EFI_SECTION_COMPRESSION) { + CompressionSection = (EFI_COMPRESSION_SECTION *) Section; + SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF; + + if (CompressionSection->CompressionType != EFI_STANDARD_COMPRESSION) { + return EFI_UNSUPPORTED; + } + + Status = UefiDecompressGetInfo ( + (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1), + (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION), + (UINT32 *) &DstBufferSize, + &ScratchBufferSize + ); + } else if (Section->Type == EFI_SECTION_GUID_DEFINED) { + Status = ExtractGuidedSectionGetInfo ( + Section, + (UINT32 *) &DstBufferSize, + &ScratchBufferSize, + &SectionAttribute + ); + } + + if (EFI_ERROR (Status)) { + // + // GetInfo failed + // + DEBUG ((EFI_D_ERROR, "Decompress GetInfo Failed - %r\n", Status)); + return EFI_NOT_FOUND; + } + // + // Allocate scratch buffer + // + ScratchBuffer = (VOID *)(UINTN)AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize)); + if (ScratchBuffer == NULL) { + return EFI_OUT_OF_RESOURCES; + } + // + // Allocate destination buffer, extra one page for adjustment + // + DstBuffer = (VOID *)(UINTN)AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1); + if (DstBuffer == NULL) { + return EFI_OUT_OF_RESOURCES; + } + // + // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header + // to make section data at page alignment. + // + DstBuffer = (UINT8 *)DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER); + // + // Call decompress function + // + if (Section->Type == EFI_SECTION_COMPRESSION) { + Status = UefiDecompress ( + (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1), + DstBuffer, + ScratchBuffer + ); + } else if (Section->Type == EFI_SECTION_GUID_DEFINED) { + Status = ExtractGuidedSectionDecode ( + Section, + &DstBuffer, + ScratchBuffer, + &AuthenticationStatus + ); + } + + if (EFI_ERROR (Status)) { + // + // Decompress failed + // + DEBUG ((EFI_D_ERROR, "Decompress Failed - %r\n", Status)); + return EFI_NOT_FOUND; + } else { + return FfsProcessSection ( + SectionType, + DstBuffer, + DstBufferSize, + OutputBuffer + ); + } + } + + // + // Size is 24 bits wide so mask upper 8 bits. + // SectionLength is adjusted it is 4 byte aligned. + // Go to the next section + // + SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF; + SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4); + ASSERT (SectionLength != 0); + ParsedLength += SectionLength; + Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength); + } + + return EFI_NOT_FOUND; +} + + + +/** + This service enables discovery sections of a given type within a valid FFS file. + + @param SearchType The value of the section type to find. + @param FfsFileHeader A pointer to the file header that contains the set of sections to + be searched. + @param SectionData A pointer to the discovered section, if successful. + + @retval EFI_SUCCESS The section was found. + @retval EFI_NOT_FOUND The section was not found. + +**/ +EFI_STATUS +EFIAPI +FfsFindSectionData ( + IN EFI_SECTION_TYPE SectionType, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT VOID **SectionData + ) +{ + EFI_FFS_FILE_HEADER *FfsFileHeader; + UINT32 FileSize; + EFI_COMMON_SECTION_HEADER *Section; + + FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle); + + // + // Size is 24 bits wide so mask upper 8 bits. + // Does not include FfsFileHeader header size + // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned. + // + Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1); + FileSize = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF; + FileSize -= sizeof (EFI_FFS_FILE_HEADER); + + return FfsProcessSection ( + SectionType, + Section, + FileSize, + SectionData + ); +} + + + + + + +/** + This service enables discovery of additional firmware files. + + @param SearchType A filter to find files only of this type. + @param FwVolHeader Pointer to the firmware volume header of the volume to search. + This parameter must point to a valid FFS volume. + @param FileHeader Pointer to the current file from which to begin searching. + + @retval EFI_SUCCESS The file was found. + @retval EFI_NOT_FOUND The file was not found. + @retval EFI_NOT_FOUND The header checksum was not zero. + +**/ +EFI_STATUS +EFIAPI +FfsFindNextFile ( + IN UINT8 SearchType, + IN EFI_PEI_FV_HANDLE VolumeHandle, + IN OUT EFI_PEI_FILE_HANDLE *FileHandle + ) +{ + return FindFileEx (VolumeHandle, NULL, SearchType, FileHandle); +} + + +/** + This service enables discovery of additional firmware volumes. + + @param Instance This instance of the firmware volume to find. The value 0 is the + Boot Firmware Volume (BFV). + @param FwVolHeader Pointer to the firmware volume header of the volume to return. + + @retval EFI_SUCCESS The volume was found. + @retval EFI_NOT_FOUND The volume was not found. + +**/ +EFI_STATUS +EFIAPI +FfsFindNextVolume ( + IN UINTN Instance, + IN OUT EFI_PEI_FV_HANDLE *VolumeHandle + ) +{ + EFI_PEI_HOB_POINTERS Hob; + + + Hob.Raw = GetHobList (); + if (Hob.Raw == NULL) { + return EFI_NOT_FOUND; + } + + do { + Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw); + if (Hob.Raw != NULL) { + if (Instance-- == 0) { + *VolumeHandle = (EFI_PEI_FV_HANDLE)(UINTN)(Hob.FirmwareVolume->BaseAddress); + return EFI_SUCCESS; + } + + Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, GET_NEXT_HOB (Hob)); + } + } while (Hob.Raw != NULL); + + return EFI_NOT_FOUND; + +} + + +/** + Find a file in the volume by name + + @param FileName A pointer to the name of the file to + find within the firmware volume. + + @param VolumeHandle The firmware volume to search FileHandle + Upon exit, points to the found file's + handle or NULL if it could not be found. + + @retval EFI_SUCCESS File was found. + + @retval EFI_NOT_FOUND File was not found. + + @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or + FileName was NULL. + +**/ +EFI_STATUS +EFIAPI +FfsFindFileByName ( + IN CONST EFI_GUID *FileName, + IN EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_PEI_FILE_HANDLE *FileHandle + ) +{ + EFI_STATUS Status; + if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) { + return EFI_INVALID_PARAMETER; + } + Status = FindFileEx (VolumeHandle, FileName, 0, FileHandle); + if (Status == EFI_NOT_FOUND) { + *FileHandle = NULL; + } + return Status; +} + + + + +/** + Get information about the file by name. + + @param FileHandle Handle of the file. + + @param FileInfo Upon exit, points to the file's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +FfsGetFileInfo ( + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_FV_FILE_INFO *FileInfo + ) +{ + UINT8 FileState; + UINT8 ErasePolarity; + EFI_FFS_FILE_HEADER *FileHeader; + EFI_PEI_FV_HANDLE VolumeHandle; + + if ((FileHandle == NULL) || (FileInfo == NULL)) { + return EFI_INVALID_PARAMETER; + } + + VolumeHandle = 0; + // + // Retrieve the FirmwareVolume which the file resides in. + // + if (!FileHandleToVolume(FileHandle, &VolumeHandle)) { + return EFI_INVALID_PARAMETER; + } + + if (((EFI_FIRMWARE_VOLUME_HEADER*)VolumeHandle)->Attributes & EFI_FVB2_ERASE_POLARITY) { + ErasePolarity = 1; + } else { + ErasePolarity = 0; + } + + // + // Get FileState which is the highest bit of the State + // + FileState = GetFileState (ErasePolarity, (EFI_FFS_FILE_HEADER*)FileHandle); + + switch (FileState) { + case EFI_FILE_DATA_VALID: + case EFI_FILE_MARKED_FOR_UPDATE: + break; + default: + return EFI_INVALID_PARAMETER; + } + + FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle; + CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID)); + FileInfo->FileType = FileHeader->Type; + FileInfo->FileAttributes = FileHeader->Attributes; + FileInfo->BufferSize = ((*(UINT32 *)FileHeader->Size) & 0x00FFFFFF) - sizeof (EFI_FFS_FILE_HEADER); + FileInfo->Buffer = (FileHeader + 1); + return EFI_SUCCESS; +} + + +/** + Get Information about the volume by name + + @param VolumeHandle Handle of the volume. + + @param VolumeInfo Upon exit, points to the volume's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +FfsGetVolumeInfo ( + IN EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_FV_INFO *VolumeInfo + ) +{ + EFI_FIRMWARE_VOLUME_HEADER FwVolHeader; + EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo; + + if (VolumeInfo == NULL) { + return EFI_INVALID_PARAMETER; + } + + // + // VolumeHandle may not align at 8 byte, + // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte. + // So, Copy FvHeader into the local FvHeader structure. + // + CopyMem (&FwVolHeader, VolumeHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER)); + // + // Check Fv Image Signature + // + if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) { + return EFI_INVALID_PARAMETER; + } + VolumeInfo->FvAttributes = FwVolHeader.Attributes; + VolumeInfo->FvStart = (VOID *) VolumeHandle; + VolumeInfo->FvSize = FwVolHeader.FvLength; + CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID)); + + if (FwVolHeader.ExtHeaderOffset != 0) { + FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)VolumeHandle) + FwVolHeader.ExtHeaderOffset); + CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID)); + } + return EFI_SUCCESS; +} + + + +/** + Search through every FV until you find a file of type FileType + + @param FileType File handle of a Fv type file. + @param Volumehandle On succes Volume Handle of the match + @param FileHandle On success File Handle of the match + + @retval EFI_NOT_FOUND FV image can't be found. + @retval EFI_SUCCESS Successfully found FileType + +**/ +EFI_STATUS +EFIAPI +FfsAnyFvFindFirstFile ( + IN EFI_FV_FILETYPE FileType, + OUT EFI_PEI_FV_HANDLE *VolumeHandle, + OUT EFI_PEI_FILE_HANDLE *FileHandle + ) +{ + EFI_STATUS Status; + UINTN Instance; + + // + // Search every FV for the DXE Core + // + Instance = 0; + *FileHandle = NULL; + + while (1) + { + Status = FfsFindNextVolume (Instance++, VolumeHandle); + if (EFI_ERROR (Status)) + { + break; + } + + Status = FfsFindNextFile (FileType, *VolumeHandle, FileHandle); + if (!EFI_ERROR (Status)) + { + break; + } + } + + return Status; +} + + + +/** + Get Fv image from the FV type file, then add FV & FV2 Hob. + + @param FileHandle File handle of a Fv type file. + + + @retval EFI_NOT_FOUND FV image can't be found. + @retval EFI_SUCCESS Successfully to process it. + +**/ +EFI_STATUS +EFIAPI +FfsProcessFvFile ( + IN EFI_PEI_FILE_HANDLE FvFileHandle + ) +{ + EFI_STATUS Status; + EFI_PEI_FV_HANDLE FvImageHandle; + EFI_FV_INFO FvImageInfo; + UINT32 FvAlignment; + VOID *FvBuffer; + EFI_PEI_HOB_POINTERS HobFv2; + + FvBuffer = NULL; + + + // + // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already + // been extracted. + // + HobFv2.Raw = GetHobList (); + while ((HobFv2.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobFv2.Raw)) != NULL) { + if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name), &HobFv2.FirmwareVolume2->FileName)) { + // + // this FILE has been dispatched, it will not be dispatched again. + // + return EFI_SUCCESS; + } + HobFv2.Raw = GET_NEXT_HOB (HobFv2); + } + + // + // Find FvImage in FvFile + // + Status = FfsFindSectionData (EFI_SECTION_FIRMWARE_VOLUME_IMAGE, FvFileHandle, (VOID **)&FvImageHandle); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Collect FvImage Info. + // + ZeroMem (&FvImageInfo, sizeof (FvImageInfo)); + Status = FfsGetVolumeInfo (FvImageHandle, &FvImageInfo); + ASSERT_EFI_ERROR (Status); + + // + // FvAlignment must be more than 8 bytes required by FvHeader structure. + // + FvAlignment = 1 << ((FvImageInfo.FvAttributes & EFI_FVB2_ALIGNMENT) >> 16); + if (FvAlignment < 8) { + FvAlignment = 8; + } + + // + // Check FvImage + // + if ((UINTN) FvImageInfo.FvStart % FvAlignment != 0) { + FvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvImageInfo.FvSize), FvAlignment); + if (FvBuffer == NULL) { + return EFI_OUT_OF_RESOURCES; + } + CopyMem (FvBuffer, FvImageInfo.FvStart, (UINTN) FvImageInfo.FvSize); + // + // Update FvImageInfo after reload FvImage to new aligned memory + // + FfsGetVolumeInfo ((EFI_PEI_FV_HANDLE) FvBuffer, &FvImageInfo); + } + + + // + // Inform HOB consumer phase, i.e. DXE core, the existance of this FV + // + BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart, FvImageInfo.FvSize); + + // + // Makes the encapsulated volume show up in DXE phase to skip processing of + // encapsulated file again. + // + BuildFv2Hob ( + (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart, + FvImageInfo.FvSize, + &FvImageInfo.FvName, + &(((EFI_FFS_FILE_HEADER *)FvFileHandle)->Name) + ); + + return EFI_SUCCESS; +} + + diff --git a/EmbeddedPkg/Library/PrePiLib/PrePi.h b/EmbeddedPkg/Library/PrePiLib/PrePi.h index 77fe32898b..d637277d2a 100644 --- a/EmbeddedPkg/Library/PrePiLib/PrePi.h +++ b/EmbeddedPkg/Library/PrePiLib/PrePi.h @@ -1,46 +1,46 @@ -/** @file - Library that helps implement monolithic PEI (i.e. PEI part of SEC) - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#ifndef _PI_PEI_H_ -#define _PI_PEI_H_ - -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - - -#define GET_HOB_TYPE(Hob) ((Hob).Header->HobType) -#define GET_HOB_LENGTH(Hob) ((Hob).Header->HobLength) -#define GET_NEXT_HOB(Hob) ((Hob).Raw + GET_HOB_LENGTH (Hob)) -#define END_OF_HOB_LIST(Hob) (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_END_OF_HOB_LIST) - -// -// Get the data and data size field of GUID -// -#define GET_GUID_HOB_DATA(GuidHob) ((VOID *) (((UINT8 *) &((GuidHob)->Name)) + sizeof (EFI_GUID))) -#define GET_GUID_HOB_DATA_SIZE(GuidHob) (((GuidHob)->Header).HobLength - sizeof (EFI_HOB_GUID_TYPE)) - -#endif +/** @file + Library that helps implement monolithic PEI (i.e. PEI part of SEC) + + Copyright (c) 2008 - 2009, Apple Inc. 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. + +**/ + +#ifndef _PI_PEI_H_ +#define _PI_PEI_H_ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + + +#define GET_HOB_TYPE(Hob) ((Hob).Header->HobType) +#define GET_HOB_LENGTH(Hob) ((Hob).Header->HobLength) +#define GET_NEXT_HOB(Hob) ((Hob).Raw + GET_HOB_LENGTH (Hob)) +#define END_OF_HOB_LIST(Hob) (GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_END_OF_HOB_LIST) + +// +// Get the data and data size field of GUID +// +#define GET_GUID_HOB_DATA(GuidHob) ((VOID *) (((UINT8 *) &((GuidHob)->Name)) + sizeof (EFI_GUID))) +#define GET_GUID_HOB_DATA_SIZE(GuidHob) (((GuidHob)->Header).HobLength - sizeof (EFI_HOB_GUID_TYPE)) + +#endif diff --git a/EmbeddedPkg/Library/PrePiLib/PrePiLib.c b/EmbeddedPkg/Library/PrePiLib/PrePiLib.c index e46cafec3b..4cc974f1a9 100644 --- a/EmbeddedPkg/Library/PrePiLib/PrePiLib.c +++ b/EmbeddedPkg/Library/PrePiLib/PrePiLib.c @@ -1,226 +1,226 @@ -/** @file - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#include - -// -// Hack to work in NT32 -// -EFI_STATUS - -EFIAPI - -SecWinNtPeiLoadFile ( - IN VOID *Pe32Data, - IN EFI_PHYSICAL_ADDRESS *ImageAddress, - IN UINT64 *ImageSize, - IN EFI_PHYSICAL_ADDRESS *EntryPoint - ); - - -EFI_STATUS -EFIAPI -LoadPeCoffImage ( - IN VOID *PeCoffImage, - OUT EFI_PHYSICAL_ADDRESS *ImageAddress, - OUT UINT64 *ImageSize, - OUT EFI_PHYSICAL_ADDRESS *EntryPoint - ) -{ - RETURN_STATUS Status; - PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; - VOID *Buffer; - - ZeroMem (&ImageContext, sizeof (ImageContext)); - - ImageContext.Handle = PeCoffImage; - ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory; - - Status = PeCoffLoaderGetImageInfo (&ImageContext); - ASSERT_EFI_ERROR (Status); - - - // - // Allocate Memory for the image - // - Buffer = AllocatePages (EFI_SIZE_TO_PAGES((UINT32)ImageContext.ImageSize)); - ASSERT (Buffer != 0); - - - ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer; - - // - // Load the image to our new buffer - // - Status = PeCoffLoaderLoadImage (&ImageContext); - ASSERT_EFI_ERROR (Status); - - // - // Relocate the image in our new buffer - // - Status = PeCoffLoaderRelocateImage (&ImageContext); - ASSERT_EFI_ERROR (Status); - - - *ImageAddress = ImageContext.ImageAddress; - *ImageSize = ImageContext.ImageSize; - *EntryPoint = ImageContext.EntryPoint; - - // - // Flush not needed for all architectures. We could have a processor specific - // function in this library that does the no-op if needed. - // - InvalidateInstructionCacheRange ((VOID *)(UINTN)*ImageAddress, (UINTN)*ImageSize); - - return Status; -} - - - -typedef -VOID -(EFIAPI *DXE_CORE_ENTRY_POINT) ( - IN VOID *HobStart - ); - -EFI_STATUS -EFIAPI -LoadDxeCoreFromFfsFile ( - IN EFI_PEI_FILE_HANDLE FileHandle, - IN UINTN StackSize - ) -{ - EFI_STATUS Status; - VOID *PeCoffImage; - EFI_PHYSICAL_ADDRESS ImageAddress; - UINT64 ImageSize; - EFI_PHYSICAL_ADDRESS EntryPoint; - VOID *BaseOfStack; - VOID *TopOfStack; - VOID *Hob; - EFI_FV_FILE_INFO FvFileInfo; - - Status = FfsFindSectionData (EFI_SECTION_PE32, FileHandle, &PeCoffImage); - if (EFI_ERROR (Status)) { - return Status; - } - - - Status = LoadPeCoffImage (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint); -// For NT32 Debug Status = SecWinNtPeiLoadFile (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint); - ASSERT_EFI_ERROR (Status); - - // - // Extract the DxeCore GUID file name. - // - Status = FfsGetFileInfo (FileHandle, &FvFileInfo); - ASSERT_EFI_ERROR (Status); - - BuildModuleHob (&FvFileInfo.FileName, (EFI_PHYSICAL_ADDRESS)(UINTN)ImageAddress, EFI_SIZE_TO_PAGES ((UINT32) ImageSize) * EFI_PAGE_SIZE, EntryPoint); - - DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading DxeCore at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)EntryPoint)); - - Hob = GetHobList (); - if (StackSize == 0) { - // User the current stack - - ((DXE_CORE_ENTRY_POINT)(UINTN)EntryPoint) (Hob); - } else { - - // - // Allocate 128KB for the Stack - // - BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (StackSize)); - ASSERT (BaseOfStack != NULL); - - // - // Compute the top of the stack we were allocated. Pre-allocate a UINTN - // for safety. - // - TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (StackSize) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT); - TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); - - // - // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore. - // - UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN) BaseOfStack, StackSize); - - SwitchStack ( - (SWITCH_STACK_ENTRY_POINT)(UINTN)EntryPoint, - Hob, - NULL, - TopOfStack - ); - - } - - // Should never get here as DXE Core does not return - DEBUG ((EFI_D_ERROR, "DxeCore returned\n")); - ASSERT (FALSE); - - return EFI_DEVICE_ERROR; -} - - - -EFI_STATUS -EFIAPI -LoadDxeCoreFromFv ( - IN UINTN *FvInstance, OPTIONAL - IN UINTN StackSize - ) -{ - EFI_STATUS Status; - EFI_PEI_FV_HANDLE VolumeHandle; - EFI_PEI_FILE_HANDLE FileHandle = NULL; - - if (FvInstance != NULL) { - // - // Caller passed in a specific FV to try, so only try that one - // - Status = FfsFindNextVolume (*FvInstance, &VolumeHandle); - if (!EFI_ERROR (Status)) { - Status = FfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle); - } - } else { - Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle); - } - - if (!EFI_ERROR (Status)) { - return LoadDxeCoreFromFfsFile (FileHandle, StackSize); - } - - return Status; -} - - -EFI_STATUS -EFIAPI -DecompressFirstFv ( - VOID - ) -{ - EFI_STATUS Status; - EFI_PEI_FV_HANDLE VolumeHandle; - EFI_PEI_FILE_HANDLE FileHandle; - - Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, &VolumeHandle, &FileHandle); - if (!EFI_ERROR (Status)) { - Status = FfsProcessFvFile (FileHandle); - } - - return Status; -} - - +/** @file + + Copyright (c) 2008 - 2009, Apple Inc. 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. + +**/ + +#include + +// +// Hack to work in NT32 +// +EFI_STATUS + +EFIAPI + +SecWinNtPeiLoadFile ( + IN VOID *Pe32Data, + IN EFI_PHYSICAL_ADDRESS *ImageAddress, + IN UINT64 *ImageSize, + IN EFI_PHYSICAL_ADDRESS *EntryPoint + ); + + +EFI_STATUS +EFIAPI +LoadPeCoffImage ( + IN VOID *PeCoffImage, + OUT EFI_PHYSICAL_ADDRESS *ImageAddress, + OUT UINT64 *ImageSize, + OUT EFI_PHYSICAL_ADDRESS *EntryPoint + ) +{ + RETURN_STATUS Status; + PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; + VOID *Buffer; + + ZeroMem (&ImageContext, sizeof (ImageContext)); + + ImageContext.Handle = PeCoffImage; + ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory; + + Status = PeCoffLoaderGetImageInfo (&ImageContext); + ASSERT_EFI_ERROR (Status); + + + // + // Allocate Memory for the image + // + Buffer = AllocatePages (EFI_SIZE_TO_PAGES((UINT32)ImageContext.ImageSize)); + ASSERT (Buffer != 0); + + + ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer; + + // + // Load the image to our new buffer + // + Status = PeCoffLoaderLoadImage (&ImageContext); + ASSERT_EFI_ERROR (Status); + + // + // Relocate the image in our new buffer + // + Status = PeCoffLoaderRelocateImage (&ImageContext); + ASSERT_EFI_ERROR (Status); + + + *ImageAddress = ImageContext.ImageAddress; + *ImageSize = ImageContext.ImageSize; + *EntryPoint = ImageContext.EntryPoint; + + // + // Flush not needed for all architectures. We could have a processor specific + // function in this library that does the no-op if needed. + // + InvalidateInstructionCacheRange ((VOID *)(UINTN)*ImageAddress, (UINTN)*ImageSize); + + return Status; +} + + + +typedef +VOID +(EFIAPI *DXE_CORE_ENTRY_POINT) ( + IN VOID *HobStart + ); + +EFI_STATUS +EFIAPI +LoadDxeCoreFromFfsFile ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN UINTN StackSize + ) +{ + EFI_STATUS Status; + VOID *PeCoffImage; + EFI_PHYSICAL_ADDRESS ImageAddress; + UINT64 ImageSize; + EFI_PHYSICAL_ADDRESS EntryPoint; + VOID *BaseOfStack; + VOID *TopOfStack; + VOID *Hob; + EFI_FV_FILE_INFO FvFileInfo; + + Status = FfsFindSectionData (EFI_SECTION_PE32, FileHandle, &PeCoffImage); + if (EFI_ERROR (Status)) { + return Status; + } + + + Status = LoadPeCoffImage (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint); +// For NT32 Debug Status = SecWinNtPeiLoadFile (PeCoffImage, &ImageAddress, &ImageSize, &EntryPoint); + ASSERT_EFI_ERROR (Status); + + // + // Extract the DxeCore GUID file name. + // + Status = FfsGetFileInfo (FileHandle, &FvFileInfo); + ASSERT_EFI_ERROR (Status); + + BuildModuleHob (&FvFileInfo.FileName, (EFI_PHYSICAL_ADDRESS)(UINTN)ImageAddress, EFI_SIZE_TO_PAGES ((UINT32) ImageSize) * EFI_PAGE_SIZE, EntryPoint); + + DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading DxeCore at 0x%10p EntryPoint=0x%10p\n", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)EntryPoint)); + + Hob = GetHobList (); + if (StackSize == 0) { + // User the current stack + + ((DXE_CORE_ENTRY_POINT)(UINTN)EntryPoint) (Hob); + } else { + + // + // Allocate 128KB for the Stack + // + BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (StackSize)); + ASSERT (BaseOfStack != NULL); + + // + // Compute the top of the stack we were allocated. Pre-allocate a UINTN + // for safety. + // + TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (StackSize) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT); + TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); + + // + // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore. + // + UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN) BaseOfStack, StackSize); + + SwitchStack ( + (SWITCH_STACK_ENTRY_POINT)(UINTN)EntryPoint, + Hob, + NULL, + TopOfStack + ); + + } + + // Should never get here as DXE Core does not return + DEBUG ((EFI_D_ERROR, "DxeCore returned\n")); + ASSERT (FALSE); + + return EFI_DEVICE_ERROR; +} + + + +EFI_STATUS +EFIAPI +LoadDxeCoreFromFv ( + IN UINTN *FvInstance, OPTIONAL + IN UINTN StackSize + ) +{ + EFI_STATUS Status; + EFI_PEI_FV_HANDLE VolumeHandle; + EFI_PEI_FILE_HANDLE FileHandle = NULL; + + if (FvInstance != NULL) { + // + // Caller passed in a specific FV to try, so only try that one + // + Status = FfsFindNextVolume (*FvInstance, &VolumeHandle); + if (!EFI_ERROR (Status)) { + Status = FfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle); + } + } else { + Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_DXE_CORE, &VolumeHandle, &FileHandle); + } + + if (!EFI_ERROR (Status)) { + return LoadDxeCoreFromFfsFile (FileHandle, StackSize); + } + + return Status; +} + + +EFI_STATUS +EFIAPI +DecompressFirstFv ( + VOID + ) +{ + EFI_STATUS Status; + EFI_PEI_FV_HANDLE VolumeHandle; + EFI_PEI_FILE_HANDLE FileHandle; + + Status = FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, &VolumeHandle, &FileHandle); + if (!EFI_ERROR (Status)) { + Status = FfsProcessFvFile (FileHandle); + } + + return Status; +} + + diff --git a/EmbeddedPkg/Library/PrePiLib/ReportStatusCode.c b/EmbeddedPkg/Library/PrePiLib/ReportStatusCode.c index f898808deb..8d60d5ab5d 100644 --- a/EmbeddedPkg/Library/PrePiLib/ReportStatusCode.c +++ b/EmbeddedPkg/Library/PrePiLib/ReportStatusCode.c @@ -1,327 +1,327 @@ -/** @file - Library that helps implement monolithic PEI - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#include -#include -#include -#include - -#include -#include -#include -#include - -#define EFI_STATUS_CODE_DATA_MAX_SIZE 200 - -EFI_STATUS -EFIAPI -SerialReportStatusCode ( - IN EFI_STATUS_CODE_TYPE CodeType, - IN EFI_STATUS_CODE_VALUE Value, - IN UINT32 Instance, - IN CONST EFI_GUID *CallerId, - IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL - ); - - -EFI_STATUS_CODE_PROTOCOL gStatusCode = { - (EFI_REPORT_STATUS_CODE)SerialReportStatusCode -}; - -/** - Extracts ASSERT() information from a status code structure. - - Converts the status code specified by CodeType, Value, and Data to the ASSERT() - arguments specified by Filename, Description, and LineNumber. If CodeType is - an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and - Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract - Filename, Description, and LineNumber from the optional data area of the - status code buffer specified by Data. The optional data area of Data contains - a Null-terminated ASCII string for the FileName, followed by a Null-terminated - ASCII string for the Description, followed by a 32-bit LineNumber. If the - ASSERT() information could be extracted from Data, then return TRUE. - Otherwise, FALSE is returned. - - If Data is NULL, then ASSERT(). - If Filename is NULL, then ASSERT(). - If Description is NULL, then ASSERT(). - If LineNumber is NULL, then ASSERT(). - - @param CodeType The type of status code being converted. - @param Value The status code value being converted. - @param Data Pointer to status code data buffer. - @param Filename Pointer to the source file name that generated the ASSERT(). - @param Description Pointer to the description of the ASSERT(). - @param LineNumber Pointer to source line number that generated the ASSERT(). - - @retval TRUE The status code specified by CodeType, Value, and Data was - converted ASSERT() arguments specified by Filename, Description, - and LineNumber. - @retval FALSE The status code specified by CodeType, Value, and Data could - not be converted to ASSERT() arguments. - -**/ -BOOLEAN -EFIAPI -ReportStatusCodeExtractAssertInfo ( - IN EFI_STATUS_CODE_TYPE CodeType, - IN EFI_STATUS_CODE_VALUE Value, - IN CONST EFI_STATUS_CODE_DATA *Data, - OUT CHAR8 **Filename, - OUT CHAR8 **Description, - OUT UINT32 *LineNumber - ) -{ - EFI_DEBUG_ASSERT_DATA *AssertData; - - ASSERT (Data != NULL); - ASSERT (Filename != NULL); - ASSERT (Description != NULL); - ASSERT (LineNumber != NULL); - - if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) && - ((CodeType & EFI_STATUS_CODE_SEVERITY_MASK) == EFI_ERROR_UNRECOVERED) && - ((Value & EFI_STATUS_CODE_OPERATION_MASK) == EFI_SW_EC_ILLEGAL_SOFTWARE_STATE)) { - AssertData = (EFI_DEBUG_ASSERT_DATA *)(Data + 1); - *Filename = (CHAR8 *)(AssertData + 1); - *Description = *Filename + AsciiStrLen (*Filename) + 1; - *LineNumber = AssertData->LineNumber; - return TRUE; - } - return FALSE; -} - - -/** - Extracts DEBUG() information from a status code structure. - - Converts the status code specified by Data to the DEBUG() arguments specified - by ErrorLevel, Marker, and Format. If type GUID in Data is - EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and - Format from the optional data area of the status code buffer specified by Data. - The optional data area of Data contains a 32-bit ErrorLevel followed by Marker - which is 12 UINTN parameters, followed by a Null-terminated ASCII string for - the Format. If the DEBUG() information could be extracted from Data, then - return TRUE. Otherwise, FALSE is returned. - - If Data is NULL, then ASSERT(). - If ErrorLevel is NULL, then ASSERT(). - If Marker is NULL, then ASSERT(). - If Format is NULL, then ASSERT(). - - @param Data Pointer to status code data buffer. - @param ErrorLevel Pointer to error level mask for a debug message. - @param Marker Pointer to the variable argument list associated with Format. - @param Format Pointer to a Null-terminated ASCII format string of a - debug message. - - @retval TRUE The status code specified by Data was converted DEBUG() arguments - specified by ErrorLevel, Marker, and Format. - @retval FALSE The status code specified by Data could not be converted to - DEBUG() arguments. - -**/ -BOOLEAN -EFIAPI -ReportStatusCodeExtractDebugInfo ( - IN CONST EFI_STATUS_CODE_DATA *Data, - OUT UINT32 *ErrorLevel, - OUT BASE_LIST *Marker, - OUT CHAR8 **Format - ) -{ - EFI_DEBUG_INFO *DebugInfo; - - ASSERT (Data != NULL); - ASSERT (ErrorLevel != NULL); - ASSERT (Marker != NULL); - ASSERT (Format != NULL); - - // - // If the GUID type is not EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID then return FALSE - // - if (!CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeDebugGuid)) { - return FALSE; - } - - // - // Retrieve the debug information from the status code record - // - DebugInfo = (EFI_DEBUG_INFO *)(Data + 1); - - *ErrorLevel = DebugInfo->ErrorLevel; - - // - // The first 12 * UINTN bytes of the string are really an - // argument stack to support varargs on the Format string. - // - *Marker = (BASE_LIST) (DebugInfo + 1); - *Format = (CHAR8 *)(((UINT64 *)*Marker) + 12); - - return TRUE; -} - - - - -EFI_STATUS -EFIAPI -SerialReportStatusCode ( - IN EFI_STATUS_CODE_TYPE CodeType, - IN EFI_STATUS_CODE_VALUE Value, - IN UINT32 Instance, - IN CONST EFI_GUID *CallerId, - IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL - ) -{ - CHAR8 *Filename; - CHAR8 *Description; - CHAR8 *Format; - CHAR8 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE]; - UINT32 ErrorLevel; - UINT32 LineNumber; - UINTN CharCount; - BASE_LIST Marker; - EFI_DEBUG_INFO *DebugInfo; - - Buffer[0] = '\0'; - - - if (Data != NULL && - ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber)) { - - // - // Print ASSERT() information into output buffer. - // - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "\n\rASSERT!: %a (%d): %a\n\r", - Filename, - LineNumber, - Description - ); - - - // - // Callout to standard output. - // - SerialPortWrite ((UINT8 *)Buffer, CharCount); - return EFI_SUCCESS; - - } else if (Data != NULL && - ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) { - - // - // Print DEBUG() information into output buffer. - // - CharCount = AsciiBSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - Format, - Marker - ); - - } else if (Data != NULL && - CompareGuid (&Data->Type, &gEfiStatusCodeSpecificDataGuid) && - (CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) { - - // - // Print specific data into output buffer. - // - DebugInfo = (EFI_DEBUG_INFO *) (Data + 1); - Marker = (BASE_LIST) (DebugInfo + 1); - Format = (CHAR8 *) (((UINT64 *) (DebugInfo + 1)) + 12); - - CharCount = AsciiBSPrint (Buffer, EFI_STATUS_CODE_DATA_MAX_SIZE, Format, Marker); - - } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) { - // - // Print ERROR information into output buffer. - // - - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "ERROR: C%x:V%x I%x", - CodeType, - Value, - Instance - ); - - // - // Make sure we don't try to print values that weren't intended to be printed, especially NULL GUID pointers. - // - if (CallerId != NULL) { - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - " %g", - CallerId - ); - } - - if (Data != NULL) { - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - " %x", - Data - ); - - } - - - CharCount += AsciiSPrint ( - &Buffer[CharCount - 1], - (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), - "\n\r" - ); - - } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) { - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "PROGRESS CODE: V%x I%x\n\r", - Value, - Instance - ); - } else { - CharCount = AsciiSPrint ( - Buffer, - EFI_STATUS_CODE_DATA_MAX_SIZE, - "Undefined: C%x:V%x I%x\n\r", - CodeType, - Value, - Instance - ); - - } - - SerialPortWrite ((UINT8 *)Buffer, CharCount); - return EFI_SUCCESS; - -} - - -VOID -EFIAPI -AddDxeCoreReportStatusCodeCallback ( - VOID - ) -{ - BuildGuidDataHob (&gEfiStatusCodeRuntimeProtocolGuid, &gStatusCode, sizeof(VOID *)); -} - +/** @file + Library that helps implement monolithic PEI + + Copyright (c) 2008 - 2009, Apple Inc. 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. + +**/ + +#include +#include +#include +#include + +#include +#include +#include +#include + +#define EFI_STATUS_CODE_DATA_MAX_SIZE 200 + +EFI_STATUS +EFIAPI +SerialReportStatusCode ( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN CONST EFI_GUID *CallerId, + IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL + ); + + +EFI_STATUS_CODE_PROTOCOL gStatusCode = { + (EFI_REPORT_STATUS_CODE)SerialReportStatusCode +}; + +/** + Extracts ASSERT() information from a status code structure. + + Converts the status code specified by CodeType, Value, and Data to the ASSERT() + arguments specified by Filename, Description, and LineNumber. If CodeType is + an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and + Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract + Filename, Description, and LineNumber from the optional data area of the + status code buffer specified by Data. The optional data area of Data contains + a Null-terminated ASCII string for the FileName, followed by a Null-terminated + ASCII string for the Description, followed by a 32-bit LineNumber. If the + ASSERT() information could be extracted from Data, then return TRUE. + Otherwise, FALSE is returned. + + If Data is NULL, then ASSERT(). + If Filename is NULL, then ASSERT(). + If Description is NULL, then ASSERT(). + If LineNumber is NULL, then ASSERT(). + + @param CodeType The type of status code being converted. + @param Value The status code value being converted. + @param Data Pointer to status code data buffer. + @param Filename Pointer to the source file name that generated the ASSERT(). + @param Description Pointer to the description of the ASSERT(). + @param LineNumber Pointer to source line number that generated the ASSERT(). + + @retval TRUE The status code specified by CodeType, Value, and Data was + converted ASSERT() arguments specified by Filename, Description, + and LineNumber. + @retval FALSE The status code specified by CodeType, Value, and Data could + not be converted to ASSERT() arguments. + +**/ +BOOLEAN +EFIAPI +ReportStatusCodeExtractAssertInfo ( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN CONST EFI_STATUS_CODE_DATA *Data, + OUT CHAR8 **Filename, + OUT CHAR8 **Description, + OUT UINT32 *LineNumber + ) +{ + EFI_DEBUG_ASSERT_DATA *AssertData; + + ASSERT (Data != NULL); + ASSERT (Filename != NULL); + ASSERT (Description != NULL); + ASSERT (LineNumber != NULL); + + if (((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) && + ((CodeType & EFI_STATUS_CODE_SEVERITY_MASK) == EFI_ERROR_UNRECOVERED) && + ((Value & EFI_STATUS_CODE_OPERATION_MASK) == EFI_SW_EC_ILLEGAL_SOFTWARE_STATE)) { + AssertData = (EFI_DEBUG_ASSERT_DATA *)(Data + 1); + *Filename = (CHAR8 *)(AssertData + 1); + *Description = *Filename + AsciiStrLen (*Filename) + 1; + *LineNumber = AssertData->LineNumber; + return TRUE; + } + return FALSE; +} + + +/** + Extracts DEBUG() information from a status code structure. + + Converts the status code specified by Data to the DEBUG() arguments specified + by ErrorLevel, Marker, and Format. If type GUID in Data is + EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and + Format from the optional data area of the status code buffer specified by Data. + The optional data area of Data contains a 32-bit ErrorLevel followed by Marker + which is 12 UINTN parameters, followed by a Null-terminated ASCII string for + the Format. If the DEBUG() information could be extracted from Data, then + return TRUE. Otherwise, FALSE is returned. + + If Data is NULL, then ASSERT(). + If ErrorLevel is NULL, then ASSERT(). + If Marker is NULL, then ASSERT(). + If Format is NULL, then ASSERT(). + + @param Data Pointer to status code data buffer. + @param ErrorLevel Pointer to error level mask for a debug message. + @param Marker Pointer to the variable argument list associated with Format. + @param Format Pointer to a Null-terminated ASCII format string of a + debug message. + + @retval TRUE The status code specified by Data was converted DEBUG() arguments + specified by ErrorLevel, Marker, and Format. + @retval FALSE The status code specified by Data could not be converted to + DEBUG() arguments. + +**/ +BOOLEAN +EFIAPI +ReportStatusCodeExtractDebugInfo ( + IN CONST EFI_STATUS_CODE_DATA *Data, + OUT UINT32 *ErrorLevel, + OUT BASE_LIST *Marker, + OUT CHAR8 **Format + ) +{ + EFI_DEBUG_INFO *DebugInfo; + + ASSERT (Data != NULL); + ASSERT (ErrorLevel != NULL); + ASSERT (Marker != NULL); + ASSERT (Format != NULL); + + // + // If the GUID type is not EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID then return FALSE + // + if (!CompareGuid (&Data->Type, &gEfiStatusCodeDataTypeDebugGuid)) { + return FALSE; + } + + // + // Retrieve the debug information from the status code record + // + DebugInfo = (EFI_DEBUG_INFO *)(Data + 1); + + *ErrorLevel = DebugInfo->ErrorLevel; + + // + // The first 12 * UINTN bytes of the string are really an + // argument stack to support varargs on the Format string. + // + *Marker = (BASE_LIST) (DebugInfo + 1); + *Format = (CHAR8 *)(((UINT64 *)*Marker) + 12); + + return TRUE; +} + + + + +EFI_STATUS +EFIAPI +SerialReportStatusCode ( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN CONST EFI_GUID *CallerId, + IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL + ) +{ + CHAR8 *Filename; + CHAR8 *Description; + CHAR8 *Format; + CHAR8 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE]; + UINT32 ErrorLevel; + UINT32 LineNumber; + UINTN CharCount; + BASE_LIST Marker; + EFI_DEBUG_INFO *DebugInfo; + + Buffer[0] = '\0'; + + + if (Data != NULL && + ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber)) { + + // + // Print ASSERT() information into output buffer. + // + CharCount = AsciiSPrint ( + Buffer, + EFI_STATUS_CODE_DATA_MAX_SIZE, + "\n\rASSERT!: %a (%d): %a\n\r", + Filename, + LineNumber, + Description + ); + + + // + // Callout to standard output. + // + SerialPortWrite ((UINT8 *)Buffer, CharCount); + return EFI_SUCCESS; + + } else if (Data != NULL && + ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) { + + // + // Print DEBUG() information into output buffer. + // + CharCount = AsciiBSPrint ( + Buffer, + EFI_STATUS_CODE_DATA_MAX_SIZE, + Format, + Marker + ); + + } else if (Data != NULL && + CompareGuid (&Data->Type, &gEfiStatusCodeSpecificDataGuid) && + (CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) { + + // + // Print specific data into output buffer. + // + DebugInfo = (EFI_DEBUG_INFO *) (Data + 1); + Marker = (BASE_LIST) (DebugInfo + 1); + Format = (CHAR8 *) (((UINT64 *) (DebugInfo + 1)) + 12); + + CharCount = AsciiBSPrint (Buffer, EFI_STATUS_CODE_DATA_MAX_SIZE, Format, Marker); + + } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) { + // + // Print ERROR information into output buffer. + // + + CharCount = AsciiSPrint ( + Buffer, + EFI_STATUS_CODE_DATA_MAX_SIZE, + "ERROR: C%x:V%x I%x", + CodeType, + Value, + Instance + ); + + // + // Make sure we don't try to print values that weren't intended to be printed, especially NULL GUID pointers. + // + if (CallerId != NULL) { + CharCount += AsciiSPrint ( + &Buffer[CharCount - 1], + (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), + " %g", + CallerId + ); + } + + if (Data != NULL) { + CharCount += AsciiSPrint ( + &Buffer[CharCount - 1], + (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), + " %x", + Data + ); + + } + + + CharCount += AsciiSPrint ( + &Buffer[CharCount - 1], + (EFI_STATUS_CODE_DATA_MAX_SIZE - (sizeof (Buffer[0]) * CharCount)), + "\n\r" + ); + + } else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) { + CharCount = AsciiSPrint ( + Buffer, + EFI_STATUS_CODE_DATA_MAX_SIZE, + "PROGRESS CODE: V%x I%x\n\r", + Value, + Instance + ); + } else { + CharCount = AsciiSPrint ( + Buffer, + EFI_STATUS_CODE_DATA_MAX_SIZE, + "Undefined: C%x:V%x I%x\n\r", + CodeType, + Value, + Instance + ); + + } + + SerialPortWrite ((UINT8 *)Buffer, CharCount); + return EFI_SUCCESS; + +} + + +VOID +EFIAPI +AddDxeCoreReportStatusCodeCallback ( + VOID + ) +{ + BuildGuidDataHob (&gEfiStatusCodeRuntimeProtocolGuid, &gStatusCode, sizeof(VOID *)); +} + -- cgit v1.2.3