private uint irqMask2; // copy of interrupt mask
internal Pic(PnpConfig config)
{
PicResources pr = new PicResources(config);
IoMemoryRange range = pr.registers;
IoMemory regs = range.MemoryAtOffset(0, PicRegisterSize, Access.ReadWrite);
intcps_revision = regs.MappedPortAtOffset(INTCPS_REVISION, 4, Access.Read);
intcps_sysconfig = regs.MappedPortAtOffset(INTCPS_SYSCONFIG, 4, Access.ReadWrite);
intcps_sysstatus = regs.MappedPortAtOffset(INTCPS_SYSSTATUS, 4, Access.Read);
intcps_sir_irq = regs.MappedPortAtOffset(INTCPS_SIR_IRQ, 4, Access.Read);
intcps_sir_fiq = regs.MappedPortAtOffset(INTCPS_SIR_FIQ, 4, Access.Read);
intcps_control = regs.MappedPortAtOffset(INTCPS_CONTROL, 4, Access.ReadWrite);
intcps_protection = regs.MappedPortAtOffset(INTCPS_PROTECTION, 4, Access.ReadWrite);
intcps_idle = regs.MappedPortAtOffset(INTCPS_IDLE, 4, Access.ReadWrite);
intcps_irq_priority = regs.MappedPortAtOffset(INTCPS_IRQ_PRIORITY, 4, Access.ReadWrite);
intcps_fiq_priority = regs.MappedPortAtOffset(INTCPS_FIQ_PRIORITY, 4, Access.ReadWrite);
intcps_threshhold = regs.MappedPortAtOffset(INTCPS_THRESHHOLD, 4, Access.ReadWrite);
intcps_itr = CreatePortVector(regs, INTCPS_ITR, Access.Read);
intcps_mir = CreatePortVector(regs, INTCPS_MIR, Access.ReadWrite);
intcps_mir_clear = CreatePortVector(regs, INTCPS_MIR_CLEAR, Access.Write);
intcps_mir_set = CreatePortVector(regs, INTCPS_MIR_SET, Access.Write);
intcps_isr_set = CreatePortVector(regs, INTCPS_ISR_SET, Access.ReadWrite);
intcps_isr_clear = CreatePortVector(regs, INTCPS_ISR_CLEAR, Access.Write);
intcps_pending_irq = CreatePortVector(regs, INTCPS_PENDING_IRQ, Access.Read);
intcps_pending_fiq = CreatePortVector(regs, INTCPS_PENDING_FIQ, Access.Read);
intcps_ilr = regs.MappedPortAtOffset(
INTCPS_ILR_Base,
INTCPS_ILR_Offset * INTCPS_Vectors,
Access.ReadWrite
);
}
internal uint Read(IoMappedPort register)
{
uint outValue;
IoResult result = register.Read32NoThrow(0, out outValue);
DebugStub.Assert(IoResult.Success == result);
return(outValue);
}
// Constructor
internal TimerOmap3430(PnpConfig config, Pic pic)
{
#if VERBOSE
DebugStub.WriteLine("TimerOmap3430: create");
#endif
TimerResources tr = new TimerResources(config);
this.config = config;
this.pic = pic;
this.irq = tr.irq.Irq;
IoMemory timerRegisters = tr.registers
.MemoryAtOffset(0, Omap3430_TIMER1_RegisterSize, Access.ReadWrite);
tisr = timerRegisters.MappedPortAtOffset(Omap3430_TISR, 4, Access.ReadWrite);
tier = timerRegisters.MappedPortAtOffset(Omap3430_TIER, 4, Access.ReadWrite);
tclr = timerRegisters.MappedPortAtOffset(Omap3430_TCLR, 4, Access.ReadWrite);
tcrr = timerRegisters.MappedPortAtOffset(Omap3430_TCRR, 4, Access.ReadWrite);
tldr = timerRegisters.MappedPortAtOffset(Omap3430_TLDR, 4, Access.ReadWrite);
// _ARM_ERRATA problem with how functional clock is unstuck
tcrr.Write32(0, 0);
}
internal void Write(IoMappedPort register, uint value)
{
IoResult result = register.Write32NoThrow(0, value);
DebugStub.Assert(IoResult.Success == result);
}
