diff options
| -rw-r--r-- | ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c index fb010a8e4a..51d7ce998f 100644 --- a/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c +++ b/ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c @@ -96,7 +96,13 @@ MicroSecondDelay ( // 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 ();
|