diff options
Diffstat (limited to 'PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c')
| -rw-r--r-- | PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c b/PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c index 020031e3f4..792781a33f 100644 --- a/PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c +++ b/PcAtChipsetPkg/Library/AcpiTimerLib/AcpiTimerLib.c @@ -162,14 +162,14 @@ InternalAcpiDelay ( //
// The target timer count is calculated here
//
- Ticks = IoRead32 (Port) + Delay;
+ Ticks = IoBitFieldRead32 (Port, 0, 23) + Delay;
Delay = BIT22;
//
// Wait until time out
// Delay >= 2^23 could not be handled by this function
// Timer wrap-arounds are handled correctly by this function
//
- while (((Ticks - IoRead32 (Port)) & BIT23) == 0) {
+ while (((Ticks - IoBitFieldRead32 (Port, 0, 23)) & BIT23) == 0) {
CpuPause ();
}
} while (Times-- > 0);
@@ -371,7 +371,7 @@ InternalCalculateTscFrequency ( // Use 363 * 9861 = 3579543 Hz which is within 2 Hz of ACPI_TIMER_FREQUENCY.
// 363 counts is a calibration time of 101.4 uS.
//
- Ticks = IoRead32 (TimerAddr) + 363;
+ Ticks = IoBitFieldRead32 (TimerAddr, 0, 23) + 363;
StartTSC = AsmReadTsc (); // Get base value for the TSC
//
@@ -380,7 +380,7 @@ InternalCalculateTscFrequency ( // When the current ACPI timer value is greater than 'Ticks',
// the while loop will exit.
//
- while (((Ticks - IoRead32 (TimerAddr)) & BIT23) == 0) {
+ while (((Ticks - IoBitFieldRead32 (TimerAddr, 0, 23)) & BIT23) == 0) {
CpuPause();
}
EndTSC = AsmReadTsc (); // TSC value 101.4 us later
|