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Update comments on setting >= 8 bytes Fv Alignment. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9372 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2009-10-26 09:14:47 +00:00
parent a19ad64bf0
commit 6d9a0f280d
3 changed files with 8 additions and 2 deletions
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5
MdeModulePkg/Core/Dxe/Dispatcher/Dispatcher.c
View File

@ -845,9 +845,12 @@ CoreProcessFvImageFile (
// FvImage should be at its required alignment.
//
FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) Buffer;
//
// Get FvHeader alignment
//
FvAlignment = 1 << ((FvHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);
//
// FvAlignment must be more than 8 bytes required by FvHeader structure.
// FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.
//
if (FvAlignment < 8) {
FvAlignment = 8;

3
MdeModulePkg/Core/Dxe/FwVolBlock/FwVolBlock.c
View File

@ -450,6 +450,9 @@ ProduceFVBProtocolOnBuffer (
// Get FvHeader alignment
//
FvAlignment = 1 << ((FwVolHeader->Attributes & EFI_FVB2_ALIGNMENT) >> 16);
//
// FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.
//
if (FvAlignment < 8) {
FvAlignment = 8;
}

2
MdeModulePkg/Core/Pei/FwVol/FwVol.c
View File

@ -893,7 +893,7 @@ ProcessFvFile (
ASSERT_EFI_ERROR (Status);
//
// FvAlignment must be more than 8 bytes required by FvHeader structure.
// FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.
//
FvAlignment = 1 << ((FvImageInfo.FvAttributes & EFI_FVB2_ALIGNMENT) >> 16);
if (FvAlignment < 8) {