internal uint Read(IoMappedPort register)
{
uint outValue;
IoResult result = register.Read32NoThrow(0, out outValue);
DebugStub.Assert(IoResult.Success == result);
return(outValue);
}
public override byte IrqToInterrupt(byte irq)
{
DebugStub.WriteLine("Pic.IrqToInterrupt({0})", __arglist(irq));
// range check
DebugStub.Assert(irq < INTCPS_Vectors);
// check where the interrupt is routed: IRQ or FIQ
IoResult result = IoResult.Success;
uint ilr = intcps_ilr.Read32NoThrow(irq * INTCPS_ILR_Offset, ref result);
if ((ilr & INTCPS_ILR_FIQNIRQ) != 0)
{
return((byte)ExceptionVector.Fiq);
}
else
{
return((byte)ExceptionVector.Irq);
}
}