diff options
| author | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-03-27 01:57:51 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-03-27 01:57:51 +0000 |
| commit | f95f107c8e8bb8d3f35609f4555faa132e162bdd (patch) | |
| tree | be4fe0e1c0d3753efe61a0011624ae661ebc1821 /MdeModulePkg/Core/Pei/FwVol | |
| parent | 6dbd32caf698ceb86fd00face651cdc0e55f3e62 (diff) | |
| download | edk2-platforms-f95f107c8e8bb8d3f35609f4555faa132e162bdd.tar.xz | |
Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.
Signed-off-by: lzeng14
Reviewed-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13143 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/Pei/FwVol')
| -rw-r--r-- | MdeModulePkg/Core/Pei/FwVol/FwVol.c | 16 |
1 files changed, 13 insertions, 3 deletions
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) {
|