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Cache FvImage at buffer with its required alignment. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4372 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2007-12-07 10:25:56 +00:00
parent 069cb38f00
commit c4869732ec
4 changed files with 19 additions and 4 deletions
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1
MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
View File

@ -1084,7 +1084,6 @@ Returns:
if (FvFoundInHobFv2 (FvHandle, &NameGuid)) {
continue;
}
//
// Found a firmware volume image. Produce a firmware volume block
// protocol for it so it gets dispatched from. This is usually a

1
MdeModulePkg/Core/Dxe/DxeMain.h
View File

@ -82,6 +82,7 @@ Revision History
#include <Library/CacheMaintenanceLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PeCoffLib.h>
#include <Library/MemoryAllocationLib.h>
#include "DebugImageInfo.h"
#include "Library.h"

1
MdeModulePkg/Core/Dxe/DxeMain.inf
View File

@ -87,6 +87,7 @@
DxeCoreEntryPoint
PeCoffLib
ExtractGuidedSectionLib
MemoryAllocationLib
[Guids]
gEfiEventLegacyBootGuid # ALWAYS_CONSUMED

20
MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c
View File

@ -412,11 +412,14 @@ Returns:
UINTN Instance;
UINT8 *CopyBuffer;
UINTN SectionSize;
EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
UINT32 FvAlignment;
OldTpl = CoreRaiseTpl (TPL_NOTIFY);
Instance = SectionInstance + 1;
FvHeader = NULL;
FvAlignment = 0;
//
// Locate target stream
//
@ -469,8 +472,19 @@ Returns:
} else {
//
// Callee allocated buffer. Allocate buffer and return size.
// For FvImage, the buffer is allocated at its required alignment.
//
*Buffer = CoreAllocateBootServicesPool (CopySize);
if (*SectionType == EFI_SECTION_FIRMWARE_VOLUME_IMAGE) {
FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) CopyBuffer;
FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);
//
// FvAlignment must be more than 8 bytes required by FvHeader structure.
//
if (FvAlignment < 8) {
FvAlignment = 8;
}
}
*Buffer = AllocateAlignedPool ((UINTN) CopySize, (UINTN) FvAlignment);
if (*Buffer == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto GetSection_Done;