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start timer at initialization 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2377 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tgingold 2007-02-13 02:16:12 +00:00
parent 8ba2f4413a
commit 48f4262a80
2 changed files with 25 additions and 19 deletions
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40
EdkUnixPkg/Dxe/UnixThunk/Chipset/Timer/Timer.c
View File

@ -48,12 +48,8 @@ EFI_TIMER_NOTIFY mTimerNotifyFunction = NULL;
//
// The current period of the timer interrupt
//
UINT64 mTimerPeriod;
UINT64 mTimerPeriodMs;
//
// The timer value from the last timer interrupt
//
UINT32 mNtLastTick;
VOID
TimerCallback (UINT64 DeltaMs)
@ -83,15 +79,17 @@ Returns:
OriginalTPL = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL);
CallbackFunction = mTimerNotifyFunction;
if (OriginalTPL < EFI_TPL_HIGH_LEVEL) {
CallbackFunction = mTimerNotifyFunction;
//
// Only invoke the callback function if a Non-NULL handler has been
// registered. Assume all other handlers are legal.
//
if (CallbackFunction != NULL) {
CallbackFunction ((UINT64) (DeltaMs * 10000));
}
//
// Only invoke the callback function if a Non-NULL handler has been
// registered. Assume all other handlers are legal.
//
if (CallbackFunction != NULL) {
CallbackFunction ((UINT64) (DeltaMs * 10000));
}
}
gBS->RestoreTPL (OriginalTPL);
@ -161,7 +159,7 @@ Returns:
gUnix->SetTimer (0, TimerCallback);
} else if (mTimerNotifyFunction == NULL) {
/* Enable Timer. */
gUnix->SetTimer (mTimerPeriod * 10, TimerCallback);
gUnix->SetTimer (mTimerPeriodMs, TimerCallback);
}
mTimerNotifyFunction = NotifyFunction;
@ -219,9 +217,9 @@ Returns:
if (TimerPeriod == 0
|| ((TimerPeriod > TIMER_MINIMUM_VALUE)
&& (TimerPeriod < TIMER_MAXIMUM_VALUE))) {
mTimerPeriod = TimerPeriod;
mTimerPeriodMs = DivU64x32 (TimerPeriod + 5000, 10000);
gUnix->SetTimer (TimerPeriod * 10, TimerCallback);
gUnix->SetTimer (mTimerPeriodMs, TimerCallback);
}
return EFI_SUCCESS;
@ -261,7 +259,7 @@ Returns:
return EFI_INVALID_PARAMETER;
}
*TimerPeriod = mTimerPeriod;
*TimerPeriod = mTimerPeriodMs * 10000;
return EFI_SUCCESS;
}
@ -354,5 +352,13 @@ Returns:
return Status;
}
//
// Start the timer thread at the default timer period
//
Status = mTimer.SetTimerPeriod (&mTimer, DEFAULT_TIMER_TICK_DURATION);
if (EFI_ERROR (Status)) {
return Status;
}
return EFI_SUCCESS;
}

4
EdkUnixPkg/Dxe/UnixThunk/Chipset/Timer/Timer.h
View File

@ -34,9 +34,9 @@ Abstract:
#define TIMER_MAXIMUM_VALUE (0x100000000ULL - 1)
//
// Default timer value in 100 ns units (10 ms)
// Default timer value in 100 ns units (50 ms)
//
#define DEFAULT_TIMER_TICK_DURATION 100000
#define DEFAULT_TIMER_TICK_DURATION 500000
//
// Function Prototypes