uint capabilities; // bits 0-31 at offset 0 internal Hpet(PnpConfig config) { int cpuId; Microsoft.Singularity.Hal.Platform p = Microsoft.Singularity.Hal.Platform.ThePlatform; cpuId = p.ApicId; this.config = config; IoMemoryRange imr = (IoMemoryRange)config.DynamicRanges[0]; this.region = imr.MemoryAtOffset(0, (int)imr.Length.ToUInt32(), Access.ReadWrite); capabilities = region.Read32(0x00); periodFs = region.Read32(0x04); if (cpuId == 0) { DebugStub.Print("new Hpet writing regions\n"); // Disable interrupts on timers for (uint i = 0; i <= MaxCounterIndex; i++) { DisableInterrupt(i); } uint gc = region.Read32(0x10) & ~3u; // Clear legacy bits region.Write32(0x10, gc | 1); // Enable main counter } }
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 ); }