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Correct vtimer scheduling.

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Unknown W. Brackets 2013-10-21 02:00:48 -07:00
parent a47c88d658
commit b7fd768ecc
1 changed files with 19 additions and 4 deletions
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23
Core/HLE/sceKernelVTimer.cpp
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@ -93,8 +93,23 @@ void __KernelScheduleVTimer(VTimer *vt, u64 schedule) {
vt->nvt.schedule = schedule;
if (vt->nvt.active == 1 && vt->nvt.handlerAddr != 0)
CoreTiming::ScheduleEvent(usToCycles((u64)vt->nvt.schedule), vtimerTimer, vt->GetUID());
if (vt->nvt.active == 1 && vt->nvt.handlerAddr != 0) {
// The "real" base is base + current. But when setting the time, base is important.
// The schedule is relative to those.
u64 cyclesIntoFuture;
// It seems like the minimum is approximately 200us?
if (schedule < __getVTimerCurrentTime(vt))
cyclesIntoFuture = usToCycles(200);
else {
u64 goalTicks = usToCycles(vt->nvt.base + schedule - vt->nvt.current);
if (goalTicks < CoreTiming::GetTicks())
cyclesIntoFuture = usToCycles(200);
else
cyclesIntoFuture = goalTicks - CoreTiming::GetTicks();
}
CoreTiming::ScheduleEvent(cyclesIntoFuture, vtimerTimer, vt->GetUID());
}
}
void __rescheduleVTimer(SceUID id, int delay) {
@ -104,10 +119,10 @@ void __rescheduleVTimer(SceUID id, int delay) {
if (error)
return;
if (delay < 0)
if (delay < 100)
delay = 100;
__KernelScheduleVTimer(vt, delay);
__KernelScheduleVTimer(vt, vt->nvt.schedule + delay);
}
class VTimerIntrHandler : public IntrHandler