public IManagedThread ObtainManagedThread(Action action, int frequency)
{
var ce = new ClockEntry(1, ClockEntry.FrequencyToRatio(this, frequency), action, false);
ClockSource.AddClockEntry(ce);
return(new ManagedThreadWrappingClockEntry(ClockSource, action));
}
public PowerPc(string cpuType, Machine machine, Endianess endianness = Endianess.BigEndian) : base(cpuType, machine,
/* hardcoded to big endian, controlable via TlibSetLittleEndianMode */ Endianess.BigEndian)
{
initialEndianess = endianness;
irqSync = new object();
machine.ClockSource.AddClockEntry(
new ClockEntry(long.MaxValue / 2, ClockEntry.FrequencyToRatio(this, 128000000), DecrementerHandler, this, String.Empty, false, Direction.Descending));
TlibSetLittleEndianMode(initialEndianess == Endianess.LittleEndian ? 1u : 0u);
}
public void Reset()
{
var clockEntry = new ClockEntry((1 << 29) - 1, ClockEntry.FrequencyToRatio(this, 1000000), OnLimitReached, false)
{
Value = 0
};
clockSource.ExchangeClockEntryWith(OnLimitReached, x => clockEntry, () => clockEntry);
}
public static void ExecutePythonEvery(this Machine machine, string name, int milliseconds, string script)
{
var engine = new ExecutorPythonEngine(machine, script);
var clockEntry = new ClockEntry(milliseconds, ClockEntry.FrequencyToRatio(machine, 1000), engine.Action);
machine.ObtainClockSource().AddClockEntry(clockEntry);
events.Add(machine, name, engine.Action);
machine.StateChanged += (m, s) => UnregisterEvent(m, name, s);
}
public ComparingTimer(Machine machine, long frequency, long compare, long limit)
{
if (compare > limit || compare < 0)
{
throw new ConstructionException(string.Format(CompareHigherThanLimitMessage, compare, limit));
}
this.limit = limit;
initialCompare = compare;
clockSource = machine.ObtainClockSource();
clockSource.AddClockEntry(new ClockEntry(compare, ClockEntry.FrequencyToRatio(this, frequency), CompareReached, false, workMode: WorkMode.OneShot));
}
private void InternalReset()
{
var clockEntry = new ClockEntry(initialCompare, ClockEntry.FrequencyToRatio(this, initialFrequency), CompareReached, initialEnabled, initialDirection, initialWorkMode)
{
Value = initialDirection == Direction.Ascending ? 0 : initialLimit
};
clockSource.ExchangeClockEntryWith(CompareReached, entry => clockEntry, () => clockEntry);
valueAccumulatedSoFar = 0;
compareValue = initialCompare;
}
private void InternalReset()
{
frequency = initialFrequency;
var clockEntry = new ClockEntry(initialLimit, ClockEntry.FrequencyToRatio(this, frequency), OnLimitReached, initialEnabled, initialDirection, initialWorkMode)
{
Value = initialDirection == Direction.Ascending ? 0 : initialLimit
};
clockSource.ExchangeClockEntryWith(OnLimitReached, x => clockEntry, () => clockEntry);
divider = 1;
EventEnabled = false;
}
private void InternalReset()
{
frequency = initialFrequency;
divider = initialDivider;
var clockEntry = new ClockEntry(initialCompare, ClockEntry.FrequencyToRatio(this, initialFrequency / divider), CompareReachedInternal, owner, localName, initialEnabled, initialDirection, initialWorkMode)
{
Value = initialDirection == Direction.Ascending ? 0 : initialLimit
};
clockSource.ExchangeClockEntryWith(CompareReachedInternal, entry => clockEntry, () => clockEntry);
valueAccumulatedSoFar = 0;
compareValue = initialCompare;
EventEnabled = initialEventEnabled;
}
private void InternalReset()
{
frequency = initialFrequency;
divider = initialDivider;
var clockEntry = new ClockEntry(initialLimit, ClockEntry.FrequencyToRatio(this, frequency / divider), OnLimitReached, owner, localName, initialEnabled, initialDirection, initialWorkMode)
{
Value = initialDirection == Direction.Ascending ? 0 : initialLimit
};
clockSource.ExchangeClockEntryWith(OnLimitReached, x => clockEntry, () => clockEntry);
EventEnabled = initialEventEnabled;
AutoUpdate = initialAutoUpdate;
rawInterrupt = false;
}
public PowerPc(string cpuType, Machine machine, Endianess endianness = Endianess.BigEndian) : base(cpuType, machine, endianness)
{
irqSync = new object();
machine.ObtainClockSource().AddClockEntry(
new ClockEntry(long.MaxValue / 2, ClockEntry.FrequencyToRatio(this, 128000000), DecrementerHandler, false, Direction.Descending));
}
public TickTimer(Machine machine, ulong periodInMs) : base(machine)
{
machine.ClockSource.AddClockEntry(new ClockEntry(periodInMs, ClockEntry.FrequencyToRatio(this, 1000), OnTick, this, "TickTimer"));
this.IRQ = new GPIO();
DefineRegisters();
}
public SimpleTicker(long periodInMs, Machine machine)
{
var clockSource = machine.ObtainClockSource();
clockSource.AddClockEntry(new ClockEntry(periodInMs, ClockEntry.FrequencyToRatio(this, 1000), OnTick));
}
public SimpleTicker(ulong periodInMs, Machine machine)
{
machine.ClockSource.AddClockEntry(new ClockEntry(periodInMs, ClockEntry.FrequencyToRatio(this, 1000), OnTick));
}
public BetrustedI2C(Machine machine) : base(machine)
{
dataToSlave = new Queue <byte>();
dataFromSlave = new Queue <byte>();
IRQ = new GPIO();
irqTimeoutCallback = new ClockEntry((ulong)5, ClockEntry.FrequencyToRatio(machine, 1000), this.FinishTransaction, machine, "Irq Scheduler");
var registersMap = new Dictionary <long, DoubleWordRegister>()
{
{ (long)Registers.ClockPrescale, new DoubleWordRegister(this)
.WithValueField(0, 16, FieldMode.Read | FieldMode.Write) },
{ (long)Registers.Control, new DoubleWordRegister(this)
.WithFlag(7, out enabled)
.WithTag("Interrupt enable", 6, 1)
.WithReservedBits(0, 6) },
{ (long)Registers.Transmit, new DoubleWordRegister(this)
.WithValueField(0, 8, out transmitBuffer, FieldMode.Write) },
{ (long)Registers.Receive, new DoubleWordRegister(this)
.WithValueField(0, 8, out receiveBuffer, FieldMode.Read) },
{ (long)Registers.Status, new DoubleWordRegister(this)
.WithFlag(7, out receivedAckFromSlaveNegated, FieldMode.Read)
.WithFlag(6, FieldMode.Read, valueProviderCallback: _ => false, name: "Busy")
.WithFlag(5, FieldMode.Read, valueProviderCallback: _ => false, name: "Arbitration lost")
.WithReservedBits(2, 3)
.WithFlag(1, FieldMode.Read, valueProviderCallback: _ => false, name: "Transfer in progress")
.WithFlag(0, out i2cIntIrqStatus, FieldMode.Read) },
{ (long)Registers.EventStatus, new DoubleWordRegister(this)
.WithFlag(1, FieldMode.Read, name: "TX_RX_DONE_STATUS", valueProviderCallback: _ => txRxDoneIrqStatus)
.WithFlag(0, FieldMode.Read, name: "I2C_INT_STATUS", valueProviderCallback: _ => i2cIntIrqStatus.Value) },
{ (long)Registers.EventPending, new DoubleWordRegister(this)
.WithFlag(1, out txRxDoneIrqPending, FieldMode.Read | FieldMode.WriteOneToClear, name: "TX_RX_DONE_PENDING", changeCallback: (_, __) => UpdateInterrupts())
.WithFlag(0, out i2cIntIrqPending, FieldMode.Read | FieldMode.WriteOneToClear, name: "I2C_INT_PENDING", changeCallback: (_, __) => UpdateInterrupts()) },
{ (long)Registers.EventEnable, new DoubleWordRegister(this)
.WithFlag(1, out txRxDoneIrqEnabled, name: "TX_RX_DONE_ENABLE", changeCallback: (_, __) => UpdateInterrupts())
.WithFlag(0, out i2cIntIrqEnabled, name: "I2C_INT_ENABLE", changeCallback: (_, __) => UpdateInterrupts()) },
{ (long)Registers.Command, new DoubleWordRegister(this)
.WithFlag(7, out generateStartCondition, FieldMode.Write)
.WithFlag(6, out generateStopCondition, FieldMode.Write)
.WithFlag(5, out readFromSlave, FieldMode.Write)
.WithFlag(4, out writeToSlave, FieldMode.Write)
.WithFlag(3, FieldMode.Read, name: "ACK", valueProviderCallback: _ => true)
// .WithTag("ACK", 3, 1)
.WithReservedBits(1, 2)
.WithFlag(0, FieldMode.Write, writeCallback: (_, __) => i2cIntIrqStatus.Value = false)
.WithWriteCallback((_, __) =>
{
if (!enabled.Value)
{
return;
}
if (generateStartCondition.Value)
{
generateStartCondition.Value = false;
if (transactionInProgress)
{
// repeated start - finish previous transaction first
SendDataToSlave();
}
else
{
transactionInProgress = true;
}
dataFromSlave.Clear();
if (selectedSlave != null)
{
selectedSlave.FinishTransmission();
}
if (!TryResolveSelectedSlave(out selectedSlave))
{
return;
}
}
if (writeToSlave.Value)
{
writeToSlave.Value = false;
HandleWriteToSlaveCommand();
}
if (readFromSlave.Value)
{
readFromSlave.Value = false;
HandleReadFromSlaveCommand();
}
if (transactionInProgress)
{
machine.ClockSource.AddClockEntry(irqTimeoutCallback);
}
if (generateStopCondition.Value)
{
selectedSlave.FinishTransmission();
generateStopCondition.Value = false;
if (!transactionInProgress)
{
return;
}
SendDataToSlave();
transactionInProgress = false;
}
shouldSendTxRxIrq = true;
}) }
};
registers = new DoubleWordRegisterCollection(this, registersMap);
UpdateInterrupts();
}