From: lgao4 Date: Tue, 31 Oct 2006 08:22:25 +0000 (+0000) Subject: Enhance DxeIpl module to support EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE ffs type,... X-Git-Tag: edk2-stable201903~24002 X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=d66974717c9c3bd658701908a0549a87ef42fd55;hp=0cc00bf06ba47c9b6143501e2191de459c7ac497 Enhance DxeIpl module to support EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE ffs type, and Enhance DxeIpl module decompression function to load the decompressed FvImage to the memory address aligned at FvImage required alignment. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1875 6f19259b-4bc3-4df7-8a09-765794883524 --- diff --git a/EdkModulePkg/Core/DxeIplX64Peim/DxeIpl.h b/EdkModulePkg/Core/DxeIplX64Peim/DxeIpl.h index 53ee7e2d94..5068cb6675 100644 --- a/EdkModulePkg/Core/DxeIplX64Peim/DxeIpl.h +++ b/EdkModulePkg/Core/DxeIplX64Peim/DxeIpl.h @@ -103,7 +103,7 @@ DxeLoadCore ( EFI_STATUS PeiProcessFile ( IN UINT16 SectionType, - IN OUT EFI_FFS_FILE_HEADER **RealFfsFileHeader, + IN EFI_FFS_FILE_HEADER *FfsFileHeader, OUT VOID **Pe32Data, IN EFI_PEI_HOB_POINTERS *OrigHob ); diff --git a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c index 33ca3bbb04..c7d6dd7aac 100644 --- a/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c +++ b/EdkModulePkg/Core/DxeIplX64Peim/DxeLoadX64.c @@ -207,7 +207,9 @@ Returns: EFI_PHYSICAL_ADDRESS BaseOfStack; EFI_PHYSICAL_ADDRESS BspStore; EFI_GUID DxeCoreFileName; + EFI_GUID FirmwareFileName; VOID *DxeCorePe32Data; + VOID *FvImageData; EFI_PHYSICAL_ADDRESS DxeCoreAddress; UINT64 DxeCoreSize; EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint; @@ -288,6 +290,18 @@ Returns: } } + // + // Find the EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE type compressed Firmware Volume file + // The file found will be processed by PeiProcessFile: It will first be decompressed to + // a normal FV, then a corresponding FV type hob will be built. + // + Status = PeiFindFile ( + EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE, + EFI_SECTION_FIRMWARE_VOLUME_IMAGE, + &FirmwareFileName, + &FvImageData + ); + // // Find the DXE Core in a Firmware Volume // @@ -418,10 +432,11 @@ Returns: FwVolHeader = NULL; FfsFileHeader = NULL; SectionData = NULL; + Status = EFI_SUCCESS; // - // Foreach Firmware Volume, look for a specified type - // of file and break out when one is found + // For each Firmware Volume, look for a specified type + // of file and break out until no one is found // Hob.Raw = GetHobList (); while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_FV, Hob.Raw)) != NULL) { @@ -434,12 +449,14 @@ Returns: if (!EFI_ERROR (Status)) { Status = PeiProcessFile ( SectionType, - &FfsFileHeader, + FfsFileHeader, Pe32Data, &Hob ); CopyMem (FileName, &FfsFileHeader->Name, sizeof (EFI_GUID)); - return Status; + if (!EFI_ERROR (Status)) { + return EFI_SUCCESS; + } } Hob.Raw = GET_NEXT_HOB (Hob); } @@ -650,7 +667,7 @@ Returns: // Status = PeiProcessFile ( EFI_SECTION_PE32, - &FfsHeader, + FfsHeader, &Pe32Data, NULL ); @@ -676,7 +693,7 @@ Returns: EFI_STATUS PeiProcessFile ( IN UINT16 SectionType, - IN OUT EFI_FFS_FILE_HEADER **RealFfsFileHeader, + IN EFI_FFS_FILE_HEADER *FfsFileHeader, OUT VOID **Pe32Data, IN EFI_PEI_HOB_POINTERS *OrigHob ) @@ -726,9 +743,7 @@ Returns: EFI_GUID TempGuid; EFI_FIRMWARE_VOLUME_HEADER *FvHeader; EFI_COMPRESSION_SECTION *CompressionSection; - EFI_FFS_FILE_HEADER *FfsFileHeader; - - FfsFileHeader = *RealFfsFileHeader; + UINT32 FvAlignment; Status = PeiServicesFfsFindSectionData ( EFI_SECTION_COMPRESSION, @@ -737,7 +752,7 @@ Returns: ); // - // Upon finding a DXE Core file, see if there is first a compression section + // First process the compression section // if (!EFI_ERROR (Status)) { // @@ -913,37 +928,64 @@ Returns: ); CmpSection = (EFI_COMMON_SECTION_HEADER *) DstBuffer; - if (CmpSection->Type == EFI_SECTION_RAW) { + if (CmpSection->Type == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) { + // + // Firmware Volume Image in this Section + // Skip the section header to get FvHeader // - // 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 = PeiServicesFfsFindNextFile ( - EFI_FV_FILETYPE_DXE_CORE, - FvHeader, - &FfsFileHeader - ); + FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (CmpSection + 1); - if (EFI_ERROR (Status)) { - return EFI_NOT_FOUND; + if (FvHeader->Signature == EFI_FVH_SIGNATURE) { + // + // Adjust Fv Base Address Alignment based on Align Attributes in Fv Header + // + + // + // When FvImage support Alignment, we need to check whether + // its alignment is correct. + // + if (FvHeader->Attributes | EFI_FVB_ALIGNMENT_CAP) { + + // + // Calculate the mini alignment for this FvImage + // + FvAlignment = 1 << (LowBitSet32 (FvHeader->Attributes >> 16) + 1); + + // + // If current FvImage base address doesn't meet the its alignment, + // we need to reload this FvImage to another correct memory address. + // + if (((UINTN) FvHeader % FvAlignment) != 0) { + DstBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINTN) FvHeader->FvLength), FvAlignment); + if (DstBuffer == NULL) { + return EFI_OUT_OF_RESOURCES; + } + CopyMem (DstBuffer, FvHeader, (UINTN) FvHeader->FvLength); + FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) DstBuffer; + } } - + // + // Build new FvHob for new decompressed Fv image. + // + BuildFvHob ((EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader, FvHeader->FvLength); + + // + // Set the original FvHob to unused. + // if (OrigHob != NULL) { - // - // OrigHob->Header->HobType = EFI_HOB_TYPE_UNUSED; } // - // Reture the FfsHeader that contain Pe32Data. + // when search FvImage Section return true. // - *RealFfsFileHeader = FfsFileHeader; - return PeiProcessFile (SectionType, RealFfsFileHeader, Pe32Data, OrigHob); + if (SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) { + *Pe32Data = (VOID *) FvHeader; + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } + } } // @@ -966,6 +1008,9 @@ Returns: CmpSection = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) CmpSection + OccupiedCmpSectionLength); } while (CmpSection->Type != 0 && (UINTN) ((UINT8 *) CmpSection - (UINT8 *) CmpFileData) < CmpFileSize); } + // + // End of the decompression activity + // Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + OccupiedSectionLength); FileSize = FfsFileHeader->Size[0] & 0xFF; @@ -973,11 +1018,17 @@ Returns: FileSize += (FfsFileHeader->Size[2] << 16) & 0xFF0000; FileSize &= 0x00FFFFFF; } while (Section->Type != 0 && (UINTN) ((UINT8 *) Section - (UINT8 *) FfsFileHeader) < FileSize); - + // - // End of the decompression activity + // search all sections (compression and non compression) in this FFS, don't + // find expected section. // + return EFI_NOT_FOUND; } else { + // + // For those FFS that doesn't contain compression section, directly search + // PE or TE section in this FFS. + // Status = PeiServicesFfsFindSectionData ( EFI_SECTION_PE32,