From 306bf4e22a1139b47357b9e3fd70cfc1c0f05f9c Mon Sep 17 00:00:00 2001 From: jljusten Date: Fri, 1 May 2009 00:28:19 +0000 Subject: Add LzmaCustomDecompressLib based on the LZMA SDK 4.65 which was placed in the public domain on 2009-02-03. The LZMA SDK 4.65 was released at the http://www.7-zip.org/sdk.html website. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8227 6f19259b-4bc3-4df7-8a09-765794883524 --- .../GuidedSectionExtraction.c | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c (limited to 'IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c') diff --git a/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c new file mode 100644 index 0000000000..2444f31def --- /dev/null +++ b/IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c @@ -0,0 +1,177 @@ +/** @file + LZMA Decompress GUIDed Section Extraction Library + + Copyright (c) 2006 - 2009, 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. + +**/ + +#include +#include +#include +#include +#include +#include + +#include "LzmaDecompress.h" + + +STATIC +RETURN_STATUS +EFIAPI +LzmaGuidedSectionGetCompressedLocation ( + IN CONST VOID *InputSection, + OUT VOID **LmzaCompressedData, + OUT UINT32 *LmzaCompressedDataSize OPTIONAL + ) +{ + if (!CompareGuid ( + &gLzmaCustomDecompressGuid, + &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) { + return RETURN_INVALID_PARAMETER; + } + + // + // Retrieve the size and attribute of the input section data. + // + *LmzaCompressedData = + (VOID*) ( + (UINT8 *) InputSection + + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset + ); + if (LmzaCompressedDataSize != NULL) { + *LmzaCompressedDataSize = + (UINT32)( + ( + (*(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size)) & + 0x00ffffff + ) - + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset + ); + } + + return RETURN_SUCCESS; +} + + +/** + The implementation of 'GetInfo' for Guided Section + Extraction of LZMA compression. + + @param InputSection Buffer containing the input GUIDed section to be processed. + @param OutputBufferSize The size of OutputBuffer. + @param ScratchBufferSize The size of ScratchBuffer. + @param SectionAttribute The attribute of the input guided section. + + @retval RETURN_SUCCESS The size of destination buffer and the size of scratch buffer are successull retrieved. + @retval RETURN_INVALID_PARAMETER The source data is corrupted, or + The GUID in InputSection does not match this instance guid. + +**/ +RETURN_STATUS +EFIAPI +LzmaGuidedSectionGetInfo ( + IN CONST VOID *InputSection, + OUT UINT32 *OutputBufferSize, + OUT UINT32 *ScratchBufferSize, + OUT UINT16 *SectionAttribute + ) +{ + RETURN_STATUS Status; + VOID *LzmaInput; + UINT32 LzmaInputSize; + + Status = LzmaGuidedSectionGetCompressedLocation( + InputSection, + &LzmaInput, + &LzmaInputSize + ); + if (RETURN_ERROR (Status)) { + return Status; + } + + *SectionAttribute = ((EFI_GUID_DEFINED_SECTION *) InputSection)->Attributes; + + return LzmaUefiDecompressGetInfo ( + LzmaInput, + LzmaInputSize, + OutputBufferSize, + ScratchBufferSize + ); +} + +/** + The implementation of Guided Section Extraction + for LZMA compression. + + @param InputSection Buffer containing the input GUIDed section to be processed. + @param OutputBuffer OutputBuffer to point to the start of the section's contents. + if guided data is not prcessed. Otherwise, + OutputBuffer to contain the output data, which is allocated by the caller. + @param ScratchBuffer A pointer to a caller-allocated buffer for function internal use. + @param AuthenticationStatus A pointer to a caller-allocated UINT32 that indicates the + authentication status of the output buffer. + + @retval RETURN_SUCCESS Decompression is successfull + @retval RETURN_INVALID_PARAMETER The source data is corrupted, or + The GUID in InputSection does not match this instance guid. + +**/ +RETURN_STATUS +EFIAPI +LzmaGuidedSectionExtraction ( + IN CONST VOID *InputSection, + OUT VOID **OutputBuffer, + IN VOID *ScratchBuffer, OPTIONAL + OUT UINT32 *AuthenticationStatus + ) +{ + RETURN_STATUS Status; + VOID *LzmaInput; + + Status = LzmaGuidedSectionGetCompressedLocation( + InputSection, + &LzmaInput, + NULL + ); + if (RETURN_ERROR (Status)) { + return Status; + } + + // + // Authentication is set to Zero, which may be ignored. + // + *AuthenticationStatus = 0; + + return LzmaUefiDecompress ( + LzmaInput, + *OutputBuffer, + ScratchBuffer + ); +} + + +/** + Register LzmaDecompress handler. + + @retval RETURN_SUCCESS Register successfully. + @retval RETURN_OUT_OF_RESOURCES No enough memory to store this handler. +**/ +EFI_STATUS +EFIAPI +LzmaDecompressLibConstructor ( + ) +{ + return ExtractGuidedSectionRegisterHandlers ( + &gLzmaCustomDecompressGuid, + LzmaGuidedSectionGetInfo, + LzmaGuidedSectionExtraction + ); +} + -- cgit v1.2.3