tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

MdeModulePkg DxeIpl: Skip install MemoryInfoHob if this hob exists 

Add the check at DxeLoadCore() on MdeModulePkg\Core\DxeIplPeim\DxeLoad.c
to skip install the "gEfiMemoryTypeInformationGuid" hob if it is already
installed.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18018 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Liming Gao 2015-07-16 05:42:58 +00:00 committed by lgao4
parent 90ae1f0270
commit d1d89e86ed
1 changed files with 30 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
View File

@ -273,31 +273,36 @@ DxeLoadCore (
//
}
Status = PeiServicesLocatePpi (
&gEfiPeiReadOnlyVariable2PpiGuid,
0,
NULL,
(VOID **)&Variable
);
if (!EFI_ERROR (Status)) {
DataSize = sizeof (MemoryData);
Status = Variable->GetVariable (
Variable,
EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
&gEfiMemoryTypeInformationGuid,
NULL,
&DataSize,
&MemoryData
);
if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {
//
// Build the GUID'd HOB for DXE
//
BuildGuidDataHob (
&gEfiMemoryTypeInformationGuid,
MemoryData,
DataSize
);
if (GetFirstGuidHob ((CONST EFI_GUID *)&gEfiMemoryTypeInformationGuid) == NULL) {
//
// Don't build GuidHob if GuidHob has been installed.
//
Status = PeiServicesLocatePpi (
&gEfiPeiReadOnlyVariable2PpiGuid,
0,
NULL,
(VOID **)&Variable
);
if (!EFI_ERROR (Status)) {
DataSize = sizeof (MemoryData);
Status = Variable->GetVariable (
Variable,
EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
&gEfiMemoryTypeInformationGuid,
NULL,
&DataSize,
&MemoryData
);
if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {
//
// Build the GUID'd HOB for DXE
//
BuildGuidDataHob (
&gEfiMemoryTypeInformationGuid,
MemoryData,
DataSize
);
}
}
}