Revision: 16690
http://sourceforge.net/p/edk2/code/16690
Author: lersek
Date: 2015-02-02 12:01:38 +0000 (Mon, 02 Feb 2015)
Log Message:
-----------
ArmPkg: ArmArchTimerLib: use edk2-conformant (UINT64 * UINT32) / UINT32
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Olivier Martin <[email protected]>
Modified Paths:
--------------
trunk/edk2/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
Modified: trunk/edk2/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
===================================================================
--- trunk/edk2/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c 2015-02-02
12:01:29 UTC (rev 16689)
+++ trunk/edk2/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c 2015-02-02
12:01:38 UTC (rev 16690)
@@ -96,7 +96,13 @@
// Calculate counter ticks that can represent requested delay:
// = MicroSeconds x TICKS_PER_MICRO_SEC
// = MicroSeconds x Frequency.10^-6
- TimerTicks64 = ((UINT64)MicroSeconds * PcdGet32 (PcdArmArchTimerFreqInHz)) /
1000000U;
+ TimerTicks64 = DivU64x32 (
+ MultU64x32 (
+ MicroSeconds,
+ PcdGet32 (PcdArmArchTimerFreqInHz)
+ ),
+ 1000000U
+ );
// Read System Counter value
SystemCounterVal = ArmGenericTimerGetSystemCount ();
------------------------------------------------------------------------------
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