diff options
Diffstat (limited to 'UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c')
| -rw-r--r-- | UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c b/UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c index 1b486647bd..1ed589a6a2 100644 --- a/UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c +++ b/UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.c @@ -18,7 +18,7 @@ #define ACPI_TIMER_COUNT_SIZE BIT24
-UINTN mPmTimerReg = 0;
+UINTN mPmTimerReg = 0;
/**
The constructor function enables ACPI IO space.
@@ -67,6 +67,7 @@ InternalAcpiGetTimerTick ( if (mPmTimerReg == 0) {
AcpiTimerLibConstructor ();
}
+
return IoRead32 (mPmTimerReg);
}
@@ -81,20 +82,20 @@ InternalAcpiGetTimerTick ( **/
VOID
InternalAcpiDelay (
- IN UINT32 Delay
+ IN UINT32 Delay
)
{
- UINT32 Ticks;
- UINT32 Times;
+ UINT32 Ticks;
+ UINT32 Times;
- Times = Delay >> 22;
- Delay &= BIT22 - 1;
+ Times = Delay >> 22;
+ Delay &= BIT22 - 1;
do {
//
// The target timer count is calculated here
//
- Ticks = InternalAcpiGetTimerTick () + Delay;
- Delay = BIT22;
+ Ticks = InternalAcpiGetTimerTick () + Delay;
+ Delay = BIT22;
//
// Wait until time out
// Delay >= 2^23 could not be handled by this function
@@ -119,7 +120,7 @@ InternalAcpiDelay ( UINTN
EFIAPI
MicroSecondDelay (
- IN UINTN MicroSeconds
+ IN UINTN MicroSeconds
)
{
InternalAcpiDelay (
@@ -147,7 +148,7 @@ MicroSecondDelay ( UINTN
EFIAPI
NanoSecondDelay (
- IN UINTN NanoSeconds
+ IN UINTN NanoSeconds
)
{
InternalAcpiDelay (
@@ -209,8 +210,8 @@ GetPerformanceCounter ( UINT64
EFIAPI
GetPerformanceCounterProperties (
- OUT UINT64 *StartValue OPTIONAL,
- OUT UINT64 *EndValue OPTIONAL
+ OUT UINT64 *StartValue OPTIONAL,
+ OUT UINT64 *EndValue OPTIONAL
)
{
if (StartValue != NULL) {
@@ -238,7 +239,7 @@ GetPerformanceCounterProperties ( UINT64
EFIAPI
GetTimeInNanoSecond (
- IN UINT64 Ticks
+ IN UINT64 Ticks
)
{
UINT64 Frequency;
@@ -260,9 +261,9 @@ GetTimeInNanoSecond ( // Since 2^29 < 1,000,000,000 = 0x3B9ACA00 < 2^30, Remainder should < 2^(64-30) = 2^34,
// i.e. highest bit set in Remainder should <= 33.
//
- Shift = MAX (0, HighBitSet64 (Remainder) - 33);
- Remainder = RShiftU64 (Remainder, (UINTN) Shift);
- Frequency = RShiftU64 (Frequency, (UINTN) Shift);
+ Shift = MAX (0, HighBitSet64 (Remainder) - 33);
+ Remainder = RShiftU64 (Remainder, (UINTN)Shift);
+ Frequency = RShiftU64 (Frequency, (UINTN)Shift);
NanoSeconds += DivU64x64Remainder (MultU64x32 (Remainder, 1000000000u), Frequency, NULL);
return NanoSeconds;
|