internal static void Run(HalClockNull clock, TimerOmap3430 gpTimer1)
{
DebugStub.Print("CLOCK CALIBRATION NOT ATTEMPTED.\n");
// hacked, should calibrate
Processor.CyclesPerSecond = 687 * 1000 * 1000; // MPU runs @ 687Mhz in OPP1
gpTimer1.SetTicksPerSecond(32768);
return;
}
public override void ReleaseResources()
{
clock.ReleaseResources();
clock = null;
timer.ReleaseResources();
timer = null;
pic.ReleaseResources();
pic = null;
}
public override void Initialize(Processor rootProcessor)
{
DebugStub.Print("HalDevices.Initialize() - ARM\n");
// PIC
PnpConfig picConfig
= (PnpConfig)IoSystem.YieldResources("/arm/ti/3430/INTCPS",
typeof(Pic));
pic = new Pic(picConfig);
pic.Initialize();
// Timer
PnpConfig timerConfig
= (PnpConfig)IoSystem.YieldResources("/arm/ti/3430/GPTIMER1",
typeof(TimerOmap3430));
timer = new TimerOmap3430(timerConfig, pic);
byte timerInterrupt = timer.Initialize();
// Real-time clock
clock = new HalClockNull();
byte clockInterrupt = clock.Initialize();
bool noisyTimer = false;
CalibrateTimers.Run(clock, timer);
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 HalMemoryNull();
ProcessorNode.AddMemory(halMemory);
timer.Start();
halScreen = new HalScreenNull();
Console.Screen = (HalScreen)halScreen;
}
internal static void AddEntry(int who, RtcPitState rps, TimerOmap3430 timer, long cookie)
{
if (ignoreCount != 0)
{
ignoreCount--;
return;
}
if (currentRecord == entries.Length)
{
return;
}
entries[currentRecord].who = who;
entries[currentRecord].cookie = cookie;
entries[currentRecord].when = Processor.CycleCount;
// int pitNow = timer.Timer2Read();
int pitNow = 0;
entries[currentRecord].currentTime =
(ulong)rps.GetKernelTicks(pitNow);
entries[currentRecord].upTime = rps.upTime;
entries[currentRecord].pitLastClock = rps.pitLastClock;
entries[currentRecord].pitNow = pitNow;
currentRecord = currentRecord + 1;
if (currentRecord == entries.Length)
{
bool iflag = Processor.DisableInterrupts();
try {
DumpEntries();
DebugStub.Assert(false);
}
finally {
Processor.RestoreInterrupts(iflag);
}
}
}
internal static void AddEntry(int who, RtcPitState rps, TimerOmap3430 timer)
{
AddEntry(who, rps, timer, 0);
}
