diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c | 138 |
1 files changed, 75 insertions, 63 deletions
diff --git a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c index 61585c7d62..14d549d4d6 100644 --- a/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c +++ b/IntelFrameworkModulePkg/Library/BaseUefiTianoCustomDecompressLib/BaseUefiTianoCustomDecompressLib.c @@ -629,19 +629,18 @@ Returns: ASSERT (DestinationSize != NULL);
ASSERT (ScratchSize != NULL);
- *ScratchSize = sizeof (SCRATCH_DATA);
-
if (SourceSize < 8) {
return RETURN_INVALID_PARAMETER;
}
- CopyMem (&CompressedSize, Source, sizeof (UINT32));
- CopyMem (DestinationSize, (VOID *)((UINT8 *)Source + 4), sizeof (UINT32));
-
+ CompressedSize = *(UINT32 *) Source;
if (SourceSize < (CompressedSize + 8)) {
return RETURN_INVALID_PARAMETER;
}
+ *ScratchSize = sizeof (SCRATCH_DATA);
+ *DestinationSize = *((UINT32 *) Source + 1);
+
return RETURN_SUCCESS;
}
@@ -775,104 +774,117 @@ Returns: RETURN_STATUS
EFIAPI
-CustomDecompressGetInfo (
- IN CONST GUID *DecompressGuid,
- IN CONST VOID *Source,
- IN UINT32 SourceSize,
- OUT UINT32 *DestinationSize,
- OUT UINT32 *ScratchSize
+TianoDecompressGetInfo (
+ IN CONST VOID *InputSection,
+ OUT UINT32 *OutputBufferSize,
+ OUT UINT32 *ScratchBufferSize,
+ OUT UINT16 *SectionAttribute
)
/*++
Routine Description:
- The internal implementation of *_DECOMPRESS_PROTOCOL.GetInfo().
+ The internal implementation of Tiano decompress GetInfo.
Arguments:
- DecompressGuid The guid matches this decompress method.
- Source - The source buffer containing the compressed data.
- SourceSize - The size of source buffer
- DestinationSize - The size of destination buffer.
- ScratchSize - The size of scratch buffer.
+ InputSection Buffer containing the input GUIDed section to be processed.
+ OutputBufferSize The size of OutputBuffer.
+ ScratchBufferSize The size of ScratchBuffer.
+ SectionAttribute The attribute of the input guided section.
Returns:
RETURN_SUCCESS - The size of destination buffer and the size of scratch buffer are successull retrieved.
RETURN_INVALID_PARAMETER - The source data is corrupted
- RETURN_UNSUPPORTED - Decompress method is not supported.
--*/
{
- if (CompareGuid (DecompressGuid, &gTianoCustomDecompressGuid)) {
- return UefiDecompressGetInfo (Source, SourceSize, DestinationSize, ScratchSize);
- } else {
- return RETURN_UNSUPPORTED;
+ ASSERT (SectionAttribute != NULL);
+
+ if (InputSection == NULL) {
+ return RETURN_INVALID_PARAMETER;
}
+ //
+ // Get guid attribute of guid section.
+ //
+ *SectionAttribute = ((EFI_GUID_DEFINED_SECTION *) InputSection)->Attributes;
+
+ //
+ // Call Tiano GetInfo to get the required size info.
+ //
+ return UefiDecompressGetInfo (
+ (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,
+ *(UINT32 *) (((EFI_COMMON_SECTION_HEADER *) InputSection)->Size) & 0x00ffffff - ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,
+ OutputBufferSize,
+ ScratchBufferSize
+ );
}
RETURN_STATUS
EFIAPI
-CustomDecompress (
- IN CONST GUID *DecompressGuid,
- IN CONST VOID *Source,
- IN OUT VOID *Destination,
- IN OUT VOID *Scratch
+TianoDecompress (
+ IN CONST VOID *InputSection,
+ OUT VOID **OutputBuffer,
+ IN VOID *ScratchBuffer, OPTIONAL
+ OUT UINT32 *AuthenticationStatus
)
/*++
Routine Description:
- The internal implementation of *_DECOMPRESS_PROTOCOL.Decompress().
+ The implementation of Tiano Decompress().
Arguments:
- DecompressGuid The guid matches this decompress method.
- Source - The source buffer containing the compressed data.
- Destination - The destination buffer to store the decompressed data
- Scratch - The buffer used internally by the decompress routine. This buffer is needed to store intermediate data.
+ InputSection Buffer containing the input GUIDed section to be processed.
+ 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.
+ ScratchBuffer A pointer to a caller-allocated buffer for function internal use.
+ AuthenticationStatus A pointer to a caller-allocated UINT32 that indicates the
+ authentication status of the output buffer. Returns:
RETURN_SUCCESS - Decompression is successfull
RETURN_INVALID_PARAMETER - The source data is corrupted
- RETURN_UNSUPPORTED - Decompress method is not supported.
--*/
{
- if (CompareGuid (DecompressGuid, &gTianoCustomDecompressGuid)) {
- return UefiTianoDecompress (Source, Destination, Scratch, 2);
- } else {
- return RETURN_UNSUPPORTED;
- }
+ ASSERT (OutputBuffer != NULL);
+
+ if (InputSection == NULL) {
+ return RETURN_INVALID_PARAMETER;
+ }
+ //
+ // Set Authentication to Zero.
+ //
+ *AuthenticationStatus = 0;
+
+ //
+ // Call Tiano Decompress to get the raw data
+ //
+ return UefiTianoDecompress (
+ (UINT8 *) InputSection + ((EFI_GUID_DEFINED_SECTION *) InputSection)->DataOffset,
+ *OutputBuffer,
+ ScratchBuffer,
+ 2
+ );
}
/** - Get decompress method guid list.
-
- @param[in, out] AlgorithmGuidTable The decompress method guid list. - @param[in, out] NumberOfAlgorithms The number of decompress methods. + Register TianoDecompress handler.
- @retval RETURN_SUCCESS Get all algorithmes list successfully.
- @retval RETURN_OUT_OF_RESOURCES Source is not enough.
-
+ @retval RETURN_SUCCESS Register successfully.
+ @retval RETURN_OUT_OF_RESOURCES No enough memory to store this handler. **/
-RETURN_STATUS
+EFI_STATUS
EFIAPI
-CustomDecompressGetAlgorithms (
- IN OUT GUID **AlgorithmGuidTable,
- IN OUT UINT32 *NumberOfAlgorithms
- )
+TianoDecompressLibConstructor (
+)
{
- ASSERT (NumberOfAlgorithms != NULL);
-
- if (*NumberOfAlgorithms < 1) {
- *NumberOfAlgorithms = 1;
- return RETURN_OUT_OF_RESOURCES;
- }
-
- ASSERT (AlgorithmGuidTable != NULL);
-
- AlgorithmGuidTable [0] = &gTianoCustomDecompressGuid;
- *NumberOfAlgorithms = 1;
-
- return RETURN_SUCCESS;
+ return ExtractGuidedSectionRegisterHandlers (
+ &gTianoCustomDecompressGuid,
+ TianoDecompressGetInfo,
+ TianoDecompress
+ );
}
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