private void InitializeBsp(Processor rootProcessor)
{
DebugStub.Print("HalDevicesApic.Initialize()\n");
pmTimer = AcpiTables.GetPMTimer();
// Get PIC resources. Pic is masked by default.
PnpConfig picConfig
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0000", typeof(PicStub));
pic = new PicStub(picConfig);
pic.Initialize(PicBaseVector);
// Parse MP Table and create IO apics
MpResources.ParseMpTables();
ioApics = IoApic.CreateIOApics();
halPic = new Apic(ioApics);
halPic.Initialize(ApicBaseVector);
// Apic timer is used to provide one-shot timer interrupts.
halTimer = new ApicTimer(halPic);
halTimer.Initialize();
// Calibrate timers
Calibrate.CpuCycleCounter(pmTimer);
Calibrate.ApicTimer(pmTimer, halTimer);
// Legacy timer is used to time stalls when starting CPUs.
PnpConfig i8254Config
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0100", typeof(Timer8254Apic));
stallTimer = new Timer8254Apic(i8254Config);
// Real-time clock
PnpConfig rtClockConfig
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0B00", typeof(RTClockApic));
rtClock = new RTClockApic(rtClockConfig, halPic);
// Compose our HalClock from the component clocks we have available
halClock = new HalClockApic(halPic, rtClock, new PMClock(pmTimer));
SystemClock.Initialize(halClock, TimeSpan.FromHours(8).Ticks);
rootProcessor.AddPic(halPic);
rootProcessor.AddTimer(halTimer.Interrupt, halTimer);
rootProcessor.AddClock(halClock.Interrupt, halClock);
InitializeProcessorCount();
DebugReportProcessors();
halTimer.Start();
// Get the screen resources. Since we have metadata above to
// declare all fixed resources used by the screen,
// YieldResources("") will keep the resource tracking correct:
halScreen = new HalScreenDirect(IoSystem.YieldResources("", typeof(HalScreen)));
Console.Screen = (HalScreen)halScreen;
halPic.DumpState();
foreach (IoApic ioApic in ioApics)
{
ioApic.DumpRedirectionEntries();
}
pic.DumpRegisters();
}
public override void Initialize(Processor rootProcessor)
{
DebugStub.Print("HalDevices.Initialize() - Legacy\n");
pmTimer = AcpiTables.GetPMTimer();
// PIC
PnpConfig picConfig
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0000", typeof(Pic));
pic = new Pic(picConfig);
pic.Initialize();
// Timer
PnpConfig timerConfig
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0100", typeof(Timer8254LegacyPC));
timer = new Timer8254LegacyPC(timerConfig, pic);
byte timerInterrupt = timer.Initialize();
// Real-time clock
PnpConfig clockConfig
= (PnpConfig)IoSystem.YieldResources("/pnp/PNP0B00", typeof(RTClockLegacyPC));
clock = new RTClockLegacyPC(clockConfig, pic, timer);
byte clockInterrupt = clock.Initialize();
bool noisyTimer = false;
if (pmTimer != null)
{
noisyTimer = CalibrateTimers.Run(pmTimer, timer);
}
else
{
CalibrateTimers.Run(clock, timer);
}
clock.SetNoisyTimer(noisyTimer);
clock.Start();
SystemClock.Initialize(clock, TimeSpan.FromHours(8).Ticks);
rootProcessor.AddPic(pic);
rootProcessor.AddTimer(timerInterrupt, timer);
rootProcessor.AddClock(clockInterrupt, clock);
// ----------------------------------------------------------
// Add Srat tables to the Processor
halMemory = new HalMemorySrat(AcpiTables.GetSrat());
Processor.AddMemory(halMemory);
timer.Start();
// Get the screen resources. Since we have metadata above to
// declare all fixed resources used by the screen,
// YieldResources("") will keep the resource tracking correct:
halScreen = new HalScreenDirect(IoSystem.YieldResources("", typeof(HalScreen)));
Console.Screen = (HalScreen)halScreen;
}