diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-04-27 18:26:15 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-04-27 18:26:15 +0000 |
| commit | 873b7997efe978eab9b8fc9d41e6fe9baf35d127 (patch) | |
| tree | 64b30b43733ac6e889db50cbf06acc133e8db8c2 /MdeModulePkg/Core | |
| parent | 72670d3e4cefb7068a7239bc3b7d36770b43cff9 (diff) | |
| download | edk2-platforms-873b7997efe978eab9b8fc9d41e6fe9baf35d127.tar.xz | |
Add PcdDxeIplSupportUefiDecompress usage into DxeIpl to save space
if UEFI decompression is not needed to find the DXE Core.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8190 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core')
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf | 3 | ||||
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/DxeLoad.c | 96 |
2 files changed, 53 insertions, 46 deletions
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf index 7b8bffcd8c..6e2eab8a04 100644 --- a/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf +++ b/MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf @@ -91,6 +91,9 @@ [FeaturePcd.IA32]
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
+[FeaturePcd.common]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSupportUefiDecompress
+
[FixedPcd.common]
gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeiHandoffToDxe
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c index fc485b9d24..e756f0ba58 100644 --- a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c +++ b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c @@ -586,58 +586,62 @@ Decompress ( //
switch (CompressionSection->CompressionType) {
case EFI_STANDARD_COMPRESSION:
- //
- // Load EFI standard compression.
- // For compressed data, decompress them to destination buffer.
- //
- Status = UefiDecompressGetInfo (
- (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
- (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),
- (UINT32 *) &DstBufferSize,
- &ScratchBufferSize
- );
- if (EFI_ERROR (Status)) {
+ if (FeaturePcdGet(PcdDxeIplSupportUefiDecompress)) {
//
- // GetInfo failed
+ // Load EFI standard compression.
+ // For compressed data, decompress them to destination buffer.
//
- DEBUG ((DEBUG_ERROR, "Decompress GetInfo Failed - %r\n", Status));
- return EFI_NOT_FOUND;
- }
- //
- // Allocate scratch buffer
- //
- ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));
- if (ScratchBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- //
- // Allocate destination buffer, extra one page for adjustment
- //
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);
- if (DstBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- //
- // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header
- // to make section data at page alignment.
- //
- DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);
- //
- // Call decompress function
- //
- Status = UefiDecompress (
- (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
- DstBuffer,
- ScratchBuffer
- );
- if (EFI_ERROR (Status)) {
+ Status = UefiDecompressGetInfo (
+ (UINT8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
+ (UINT32) SectionLength - sizeof (EFI_COMPRESSION_SECTION),
+ (UINT32 *) &DstBufferSize,
+ &ScratchBufferSize
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // GetInfo failed
+ //
+ DEBUG ((DEBUG_ERROR, "Decompress GetInfo Failed - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+ //
+ // Allocate scratch buffer
+ //
+ ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));
+ if (ScratchBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Allocate destination buffer, extra one page for adjustment
+ //
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize) + 1);
+ if (DstBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // DstBuffer still is one section. Adjust DstBuffer offset, skip EFI section header
+ // to make section data at page alignment.
//
- // Decompress failed
+ DstBuffer = DstBuffer + EFI_PAGE_SIZE - sizeof (EFI_COMMON_SECTION_HEADER);
//
- DEBUG ((DEBUG_ERROR, "Decompress Failed - %r\n", Status));
+ // Call decompress function
+ //
+ Status = UefiDecompress (
+ (CHAR8 *) ((EFI_COMPRESSION_SECTION *) Section + 1),
+ DstBuffer,
+ ScratchBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Decompress failed
+ //
+ DEBUG ((DEBUG_ERROR, "Decompress Failed - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+ break;
+ } else {
return EFI_NOT_FOUND;
}
- break;
case EFI_NOT_COMPRESSED:
//
|