diff options
| author | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-05-17 12:13:35 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-05-17 12:13:35 +0000 |
| commit | deff65a4fd3769550a583d7cec1c2fcf9ba65d28 (patch) | |
| tree | 00a7de5ed53dcecef2fa8e988368602793321c3d | |
| parent | ef3f88727a63eac873b7b8d4d5e569173855e0ca (diff) | |
| download | edk2-platforms-deff65a4fd3769550a583d7cec1c2fcf9ba65d28.tar.xz | |
CalculateSum8() and CalculateSum16() defined in BaseLib are used to calculate checksum.
Signed-off-by: lzeng14
Reviewed-by: rsun3
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11674 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdeModulePkg/Core/Dxe/FwVol/Ffs.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/MdeModulePkg/Core/Dxe/FwVol/Ffs.c b/MdeModulePkg/Core/Dxe/FwVol/Ffs.c index 5eb22d0ac5..2bd4405cf1 100644 --- a/MdeModulePkg/Core/Dxe/FwVol/Ffs.c +++ b/MdeModulePkg/Core/Dxe/FwVol/Ffs.c @@ -1,7 +1,7 @@ /** @file
FFS file access utilities.
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2011, 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
@@ -105,18 +105,9 @@ VerifyFvHeaderChecksum ( IN EFI_FIRMWARE_VOLUME_HEADER *FvHeader
)
{
- UINT32 Index;
- UINT32 HeaderLength;
UINT16 Checksum;
- UINT16 *Ptr;
- HeaderLength = FvHeader->HeaderLength;
- Ptr = (UINT16 *)FvHeader;
- Checksum = 0;
-
- for (Index = 0; Index < HeaderLength / sizeof (UINT16); Index++) {
- Checksum = (UINT16)(Checksum + Ptr[Index]);
- }
+ Checksum = CalculateSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength);
if (Checksum == 0) {
return TRUE;
@@ -140,16 +131,9 @@ VerifyHeaderChecksum ( IN EFI_FFS_FILE_HEADER *FfsHeader
)
{
- UINT32 Index;
- UINT8 *Ptr;
- UINT8 HeaderChecksum;
-
- Ptr = (UINT8 *)FfsHeader;
- HeaderChecksum = 0;
- for (Index = 0; Index < sizeof(EFI_FFS_FILE_HEADER); Index++) {
- HeaderChecksum = (UINT8)(HeaderChecksum + Ptr[Index]);
- }
+ UINT8 HeaderChecksum;
+ HeaderChecksum = CalculateSum8 ((UINT8 *) FfsHeader, sizeof (EFI_FFS_FILE_HEADER));
HeaderChecksum = (UINT8) (HeaderChecksum - FfsHeader->State - FfsHeader->IntegrityCheck.Checksum.File);
if (HeaderChecksum == 0) {
|