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Fix an issue on FixedMtreProgramming - AND/OR mask incorrect. 

Contributed-under: TianoCore Contribution Agreement 1.0

signed-off by: Yao, Jiewen <jiewen.yao@intel.com>
reviewed by: Rangarajan, Ravi P <ravi.p.rangarajan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16181 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jyao1 2014-09-28 01:07:13 +00:00 committed by jyao1
parent 365614e21e
commit 90be222196
1 changed files with 1 additions and 1 deletions
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2
IntelFspPkg/Library/BaseCacheLib/CacheLib.c
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@ -381,7 +381,7 @@ ProgramFixedMtrr (
*Len -= mFixedMtrrTable[MsrNum].Length; *Len -= mFixedMtrrTable[MsrNum].Length;
*Base += mFixedMtrrTable[MsrNum].Length; *Base += mFixedMtrrTable[MsrNum].Length;
} }
TempQword = AsmReadMsr64 (mFixedMtrrTable[MsrNum].Msr) & (~ClearMask | OrMask); TempQword = (AsmReadMsr64 (mFixedMtrrTable[MsrNum].Msr) & (~ClearMask)) | OrMask;
AsmWriteMsr64 (mFixedMtrrTable[MsrNum].Msr, TempQword); AsmWriteMsr64 (mFixedMtrrTable[MsrNum].Msr, TempQword);
return EFI_SUCCESS; return EFI_SUCCESS;