internal HalClockApic(Apic apic, RTClockApic rtClock, PMClock pmClock)
{
this.apic = apic;
this.rtClock = rtClock;
this.pmClock = pmClock;
this.hpetClock = null;
this.spinLock = new SpinLock(SpinLock.Types.MpHalClock);
}
internal void SwitchToHpetClock(HpetClock hc)
{
// Change rt clock interrupt frequency to appropriate
// rate for HPET main clock.
rtClock.SetFrequency(HpetClock.UpdateFrequency(hc.Hpet));
hpetClock = hc;
DebugStub.Print("Hal switching to HpetClock.\n");
}
internal HalClockApic(Apic apic, RTClockApic rtClock, PMClock /* ! */ pmClock)
{
this.apic = apic;
this.rtClock = rtClock;
this.pmClock = pmClock;
this.hpetClock = null;
this.tscSnapshot = 0;
this.ticksSnapshot = 0;
int ticksPerKernelTick =
(int)(Processor.CyclesPerSecond / 10000000);
this.tickScale = (1 << tickRoll) / ticksPerKernelTick;
lastKernelTicks = InternalGetKernelTicks();
}
internal void SwitchToHpetClock(HpetClock hc)
{
// Change rt clock interrupt frequency to appropriate
// rate for HPET main clock.
bool en = Processor.DisableInterrupts();
this.AcquireLock();
try {
rtClock.SetFrequency(HpetClock.UpdateFrequency(hc.Hpet));
hpetClock = hc;
}
finally {
this.ReleaseLock();
Processor.RestoreInterrupts(en);
}
DebugStub.Print("Hal switching to HpetClock.\n");
}