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Set MTRR registers. 

Signed-off-by: vanjeff
Reviewed-by: rsun3


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12589 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2011-10-28 06:04:01 +00:00
parent 4bf8ffc3fb
commit e8e5cd4a5e
2 changed files with 13 additions and 1 deletions
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12
OvmfPkg/PlatformPei/MemDetect.c
View File

@ -1,7 +1,7 @@
/**@file /**@file
Memory Detection for Virtual Machines. Memory Detection for Virtual Machines.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -30,6 +30,7 @@ Module Name:
#include <Library/PcdLib.h> #include <Library/PcdLib.h>
#include <Library/PeimEntryPoint.h> #include <Library/PeimEntryPoint.h>
#include <Library/ResourcePublicationLib.h> #include <Library/ResourcePublicationLib.h>
#include <Library/MtrrLib.h>
#include "Platform.h" #include "Platform.h"
#include "Cmos.h" #include "Cmos.h"
@ -130,8 +131,17 @@ MemDetect (
AddMemoryRangeHob (BASE_1MB, MemoryBase); AddMemoryRangeHob (BASE_1MB, MemoryBase);
AddMemoryRangeHob (0, BASE_512KB + BASE_128KB); AddMemoryRangeHob (0, BASE_512KB + BASE_128KB);
Status = MtrrSetMemoryAttribute (BASE_1MB, MemoryBase + MemorySize - BASE_1MB, CacheWriteBack);
ASSERT_EFI_ERROR(Status);
Status = MtrrSetMemoryAttribute (0, BASE_512KB + BASE_128KB, CacheWriteBack);
ASSERT_EFI_ERROR(Status);
if (UpperMemorySize != 0) { if (UpperMemorySize != 0) {
AddUntestedMemoryBaseSizeHob (BASE_4GB, UpperMemorySize); AddUntestedMemoryBaseSizeHob (BASE_4GB, UpperMemorySize);
Status = MtrrSetMemoryAttribute (BASE_4GB, UpperMemorySize, CacheWriteBack);
ASSERT_EFI_ERROR(Status);
} }
return MemoryBase + MemorySize; return MemoryBase + MemorySize;

2
OvmfPkg/PlatformPei/PlatformPei.inf
View File

@ -38,6 +38,7 @@
[Packages] [Packages]
MdePkg/MdePkg.dec MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec MdeModulePkg/MdeModulePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
OvmfPkg/OvmfPkg.dec OvmfPkg/OvmfPkg.dec
[Guids] [Guids]
@ -53,6 +54,7 @@
PeiServicesLib PeiServicesLib
PeiServicesTablePointerLib PeiServicesTablePointerLib
PeimEntryPoint PeimEntryPoint
MtrrLib
[Pcd] [Pcd]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvBase gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvBase