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Add core FFS3 support, PeiCore and DxeIpl.

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Signed-off-by: lzeng14
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12583 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14
2011-10-27 09:04:50 +00:00
parent 30f001ca5f
commit 890e54170e
6 changed files with 287 additions and 89 deletions
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31
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
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@@ -515,21 +515,32 @@ Decompress (
UINT8 *ScratchBuffer;
UINT32 DstBufferSize;
UINT32 ScratchBufferSize;
EFI_COMMON_SECTION_HEADER *Section;
UINT32 SectionLength;
VOID *CompressionSource;
UINT32 CompressionSourceSize;
UINT32 UncompressedLength;
UINT8 CompressionType;
if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {
ASSERT (FALSE);
return EFI_INVALID_PARAMETER;
}
Section = (EFI_COMMON_SECTION_HEADER *) CompressionSection;
SectionLength = *(UINT32 *) (Section->Size) & 0x00ffffff;
if (IS_SECTION2 (CompressionSection)) {
CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION2));
CompressionSourceSize = (UINT32) (SECTION2_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION2));
UncompressedLength = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->UncompressedLength;
CompressionType = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->CompressionType;
} else {
CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION));
CompressionSourceSize = (UINT32) (SECTION_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION));
UncompressedLength = CompressionSection->UncompressedLength;
CompressionType = CompressionSection->CompressionType;
}
//
// This is a compression set, expand it
//
switch (CompressionSection->CompressionType) {
switch (CompressionType) {
case EFI_STANDARD_COMPRESSION:
if (FeaturePcdGet(PcdDxeIplSupportUefiDecompress)) {
//
@@ -537,8 +548,8 @@ Decompress (
// For compressed data, decompress them to destination buffer.
//
Status = UefiDecompressGetInfo (
(UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
SectionLength - sizeof (EFI_COMPRESSION_SECTION),
CompressionSource,
CompressionSourceSize,
&DstBufferSize,
&ScratchBufferSize
);
@@ -572,7 +583,7 @@ Decompress (
// Call decompress function
//
Status = UefiDecompress (
(CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
CompressionSource,
DstBuffer,
ScratchBuffer
);
@@ -597,7 +608,7 @@ Decompress (
//
// Allocate destination buffer
//
DstBufferSize = CompressionSection->UncompressedLength;
DstBufferSize = UncompressedLength;
DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);
if (DstBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
@@ -610,7 +621,7 @@ Decompress (
//
// stream is not actually compressed, just encapsulated. So just copy it.
//
CopyMem (DstBuffer, CompressionSection + 1, DstBufferSize);
CopyMem (DstBuffer, CompressionSource, DstBufferSize);
break;
default: