diff options
Diffstat (limited to 'MdeModulePkg/Core')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/FwVol.c | 14 | ||||
| -rw-r--r-- | MdeModulePkg/Core/Pei/FwVol/FwVol.c | 16 |
2 files changed, 25 insertions, 5 deletions
diff --git a/MdeModulePkg/Core/Dxe/FwVol/FwVol.c b/MdeModulePkg/Core/Dxe/FwVol/FwVol.c index 66b7673872..1cee6a9ba0 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/FwVol.c +++ b/MdeModulePkg/Core/Dxe/FwVol/FwVol.c @@ -294,6 +294,7 @@ FvCheck ( EFI_STATUS Status;
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExtHeader;
EFI_FVB_ATTRIBUTES_2 FvbAttributes;
EFI_FV_BLOCK_MAP_ENTRY *BlockMap;
FFS_FILE_LIST_ENTRY *FfsFileEntry;
@@ -410,7 +411,7 @@ FvCheck ( //
// go through the whole FV cache, check the consistence of the FV.
- // Make a linked list off all the Ffs file headers
+ // Make a linked list of all the Ffs file headers
//
Status = EFI_SUCCESS;
InitializeListHead (&FvDevice->FfsFileListHeader);
@@ -418,7 +419,16 @@ FvCheck ( //
// Build FFS list
//
- FfsHeader = (EFI_FFS_FILE_HEADER *) FvDevice->CachedFv;
+ if (FwVolHeader->ExtHeaderOffset != 0) {
+ //
+ // Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.
+ //
+ FwVolExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *) (FvDevice->CachedFv + (FwVolHeader->ExtHeaderOffset - FwVolHeader->HeaderLength));
+ FfsHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolExtHeader + FwVolExtHeader->ExtHeaderSize);
+ FfsHeader = (EFI_FFS_FILE_HEADER *) ALIGN_POINTER (FfsHeader, 8);
+ } else {
+ FfsHeader = (EFI_FFS_FILE_HEADER *) (FvDevice->CachedFv);
+ }
TopFvAddress = FvDevice->EndOfCachedFv;
while ((UINT8 *) FfsHeader < TopFvAddress) {
diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c b/MdeModulePkg/Core/Pei/FwVol/FwVol.c index bcf8335a27..d0375be92e 100644 --- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c +++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c @@ -1,7 +1,7 @@ /** @file
Pei Core Firmware File System service routines.
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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
@@ -229,7 +229,8 @@ FindFileEx ( IN OUT EFI_PEI_FV_HANDLE *AprioriFile OPTIONAL
)
{
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExtHeader;
EFI_FFS_FILE_HEADER **FileHeader;
EFI_FFS_FILE_HEADER *FfsFileHeader;
UINT32 FileLength;
@@ -262,7 +263,16 @@ FindFileEx ( // start from the FileHeader.
//
if ((*FileHeader == NULL) || (FileName != NULL)) {
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength);
+ if (FwVolHeader->ExtHeaderOffset != 0) {
+ //
+ // Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.
+ //
+ FwVolExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->ExtHeaderOffset);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolExtHeader + FwVolExtHeader->ExtHeaderSize);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ALIGN_POINTER (FfsFileHeader, 8);
+ } else {
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);
+ }
} else {
if (IS_FFS_FILE2 (*FileHeader)) {
if (!IsFfs3Fv) {
|