diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/GuidedSectionExtraction.c | 177 |
1 files changed, 177 insertions, 0 deletions
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<BR>
+ 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 <Uefi.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/ExtractGuidedSectionLib.h>
+#include <Pi/PiFirmwareFile.h>
+#include <Guid/LzmaDecompress.h>
+
+#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
+ );
+}
+
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