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Changed GetPerformanceCounter() to use the most efficient mean to unsigned extend an UINT32 value.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1343 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bxing 2006-08-22 01:36:09 +00:00
parent dbf5dd75da
commit ddc316e240
1 changed files with 1 additions and 2 deletions
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3
MdePkg/Library/BaseTimerLibLocalApic/x86TimerLib.c
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@ -210,8 +210,7 @@ GetPerformanceCounter (
VOID VOID
) )
{ {
volatile static UINT64 Mask = 0xffffffff; return (UINT32)InternalX86GetTimerTick (InternalX86GetApicBase ());
return InternalX86GetTimerTick (InternalX86GetApicBase ()) & Mask;
} }
/** /**