// Constructor
internal Timer8254LegacyPC(PnpConfig config, Pic pic)
{
#if VERBOSE
Tracing.Log(Tracing.Debug, "Timer8254: create");
#endif
// /pnp/08/02/01/PNP0100 0003 cfg dis : ISA 8254 Timer : AT Timer
// IRQ mask=0001 type=47
// I/O Port inf=01 min=0040 max=0040 aln=01 len=04 0040..0043
this.config = config;
this.pic = pic;
this.irq = ((IoIrqRange)config.DynamicRanges[1]).Irq;
IoPortRange ioPorts = (IoPortRange)config.DynamicRanges[0];
C0Port = ioPorts.PortAtOffset(i8254_C0, 1, Access.ReadWrite);
C2Port = ioPorts.PortAtOffset(i8254_C2, 1, Access.ReadWrite);
CWPort = ioPorts.PortAtOffset(i8254_CW, 1, Access.ReadWrite);
// Enable Timer2
// Lower 2 bits of port 61 are described in:
// The Indispensable PC Hardware Book (3rd Edition) p.724
ioPorts = (IoPortRange)config.FixedRanges[0];
IoPort p = ioPorts.PortAtOffset(0, 1, Access.ReadWrite);
//
// Also clear the NMI RAM parity error to enable the PCI card
// to generate NMI if the button is depressed
//
p.Write8((byte)((p.Read8() & 0xf8) | 0x01));
}
// Constructor
internal RTClockApic(PnpConfig config, Apic apic)
{
int cpuId;
Microsoft.Singularity.Hal.Platform p = Microsoft.Singularity.Hal.Platform.ThePlatform;
cpuId = p.ApicId;
DebugStub.Print("RTClock: create\n");
// /pnp/08/03/01/PNP0B00 0003 cfg dis : ISA RTC Controller : AT RTC
// IRQ mask=0100 type=47
// I/O Port inf=01 min=0070 max=0070 aln=01 len=02 0070..0071
this.config = config;
this.irq = ((IoIrqRange)config.DynamicRanges[1]).Irq;
this.apic = apic;
this.rtcSpinLock = new SpinLock(SpinLock.Types.RTClock);
rtcadd = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(0, 1, Access.ReadWrite);
rtcdat = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(1, 1, Access.ReadWrite);
if (cpuId == 0)
{
this.interrupt = Initialize();
DebugStub.Print("RTClock: interrupt {0:x2}\n",
__arglist(this.interrupt));
}
}
public uint Read32(AcpiObject.RegionSpace regionSpace, ulong offset)
{
uint result;
switch (regionSpace)
{
case AcpiObject.RegionSpace.SystemMemory:
IoMemory region = IoMemory.MapPhysicalMemory(offset, 4, true /*readable*/, false /*writable*/);
result = region.Read32(0);
break;
case AcpiObject.RegionSpace.SystemIO:
IoPort port = new IoPort((ushort)offset, 4, Access.Read);
result = port.Read32();
break;
case AcpiObject.RegionSpace.PCI_Config:
pciConfigAddressPort.Write32(PciConfigEnableMask | (uint)offset);
result = pciConfigDataPort.Read32();
break;
default:
throw new Exception("Unimplemented operation region type" + regionSpace);
}
#if DUMP_RAW_READ_WRITES
DebugStub.WriteLine("ACPI read: space: " + regionSpace + ", offset: " + offset + ", bytes: " + 4 + ", result: " + result.ToString("X"));
#endif
return(result);
}
public void Write32(AcpiObject.RegionSpace regionSpace, ulong offset, uint value)
{
#if DUMP_RAW_READ_WRITES
DebugStub.WriteLine("ACPI write: space: " + regionSpace + ", offset: " + offset + ", bytes: " + 4 + ", value: " + value.ToString("X"));
#endif
switch (regionSpace)
{
case AcpiObject.RegionSpace.SystemMemory:
IoMemory region = IoMemory.MapPhysicalMemory(offset, 4, true /*readable*/, true /*writable*/);
region.Write32(0, value);
break;
case AcpiObject.RegionSpace.SystemIO:
IoPort port = new IoPort((ushort)offset, 4, Access.ReadWrite);
port.Write32(value);
break;
case AcpiObject.RegionSpace.PCI_Config:
pciConfigAddressPort.Write32(PciConfigEnableMask | (uint)offset);
pciConfigDataPort.Write32(value);
break;
default:
throw new Exception("Unimplemented operation region type" + regionSpace);
}
}
public OperationRegionAccessor()
{
IoPortRange pciConfigPorts = new IoPortRange(PciAddressPort, 8, Access.ReadWrite);
pciConfigAddressPort = pciConfigPorts.PortAtOffset(0, 4, Access.Write);
pciConfigDataPort = pciConfigPorts.PortAtOffset(4, 4, Access.ReadWrite);
}
public ushort Read16(AcpiObject.RegionSpace regionSpace, ulong offset)
{
ushort result;
switch (regionSpace)
{
case AcpiObject.RegionSpace.SystemMemory:
// TODO: This is a first stab - ideally the AcpiObject.OperationRegion
// ought to be holding onto an IoMemoryRange and passing it in.
IoMemory region = IoMemory.MapPhysicalMemory(offset, 2, true /*readable*/, false /*writable*/);
result = region.Read16(0);
break;
case AcpiObject.RegionSpace.SystemIO:
IoPort port = new IoPort((ushort)offset, 2, Access.Read);
result = port.Read16();
break;
case AcpiObject.RegionSpace.PCI_Config:
pciConfigAddressPort.Write32(PciConfigEnableMask | (uint)offset);
result = pciConfigDataPort.Read16();
break;
default:
throw new Exception("Unimplemented operation region type" + regionSpace);
}
#if DUMP_RAW_READ_WRITES
DebugStub.WriteLine("ACPI read: space: " + regionSpace + ", offset: " + offset + ", bytes: " + 2 + ", result: " + result.ToString("X"));
#endif
return(result);
}
// Constructor
internal Timer8254Apic(PnpConfig config)
{
// /pnp/08/02/01/PNP0100 0003 cfg dis : ISA 8254 Timer : AT Timer
// IRQ mask=0001 type=47
// I/O Port inf=01 min=0040 max=0040 aln=01 len=04 0040..0043
this.config = config;
this.irq = ((IoIrqRange)config.DynamicRanges[1]).Irq;
IoPortRange ioPorts = (IoPortRange)config.DynamicRanges[0];
C2Port = ioPorts.PortAtOffset(i8254_C2, 1, Access.ReadWrite);
CWPort = ioPorts.PortAtOffset(i8254_CW, 1, Access.ReadWrite);
// Use Timer2 as it's not connected as interrupt source.
//
// Lower 2 bits of port 61 are described in:
// The Indispensable PC Hardware Book (3rd Edition) p.724
ioPorts = (IoPortRange)config.FixedRanges[0];
IoPort p = ioPorts.PortAtOffset(0, 1, Access.ReadWrite);
//
// Also clear the NMI RAM parity error to enable the PCI card
// to generate NMI if the button is depressed
//
p.Write8((byte)((p.Read8() & 0xf8) | 0x01));
}
private void AtcOut(IoPort port, byte[] values)
{
for (byte i = 0; i < values.Length; i++) {
port.Write8(i);
port.Write8(values[i]);
}
}
internal void Initialize(byte baseVector)
{
DebugStub.Assert(255 - baseVector >= 48);
this.baseVector = baseVector;
Write(ApicOffset.LvtTimer, LvtFlags.Masked);
Write(ApicOffset.LvtThermalSensor, LvtFlags.Masked);
Write(ApicOffset.LvtPerfCounts, LvtFlags.Masked);
Write(ApicOffset.LvtError, LvtFlags.Masked);
Write(ApicOffset.SpuriousIntVector, 0xdfu);
// set task priority to 0 so that it can
// receive all interrupts from IPI
// Write(ApicOffset.TaskPriority, 0x20u);
Write(ApicOffset.TaskPriority, 0);
Write(ApicOffset.LvtLint0, LvtFlags.Masked);
Write(ApicOffset.LvtLint1, LvtFlags.Masked);
SetId((byte)Processor.GetCurrentProcessorId());
if (this.IsBsp)
{
InitializeRouteableEntries();
InitializeMpResourceEntries();
}
// Enable in s/w
SetEnabled(true);
// Enable in h/w
Isa.WriteMsr(ApicMSR, Isa.ReadMsr(ApicMSR) | (1 << 11));
// Watch out for the uniprocessor case where the
// FloatingPointer may be null.
MpFloatingPointer floatingPointer = MpResources.FloatingPointer;
if (floatingPointer != null && floatingPointer.ImcrPresent && this.IsBsp)
{
IoPort addrPort = new IoPort(ImcrAddressPort, 1, Access.Write);
IoPort dataPort = new IoPort(ImcrDataPort, 1, Access.Write);
addrPort.Write8(ImcrAddressSelect);
dataPort.Write8(ImcrDataApic);
}
Write(ApicOffset.LvtLint0, LvtFlags.Level | LvtFlags.ExtInt);
Write(ApicOffset.LvtLint1, LvtFlags.NMI | 0x02);
for (int z = 0; z <= maxIrq; z++)
{
byte m = IrqToInterrupt((byte)z);
byte n = InterruptToIrq(m);
DebugStub.Assert((byte)z == n);
}
}
private PMTimer(uint offset, int width)
{
if (offset < 0xffffu)
{
this.io = new IoPort((ushort)offset, 4, Access.Read);
}
else
{
this.mem = IoMemory.MapPhysicalMemory(new UIntPtr(offset),
4, true, false);
}
this.width = width;
}
public BusMasterDma(IdeConfig !ideConfig)
{
ideConfigHandle = ideConfig;
// Set up BusMaster ports for this controller
// <command, status, PRD table>
commandPort = ideConfig.DmaBase.PortAtOffset(0, 1, Access.ReadWrite);
statusPort = ideConfig.DmaBase.PortAtOffset(2, 1, Access.ReadWrite);
prdPort = ideConfig.DmaBase.PortAtOffset(4, 4, Access.ReadWrite);
// PRD needs to be 4-byte aligned and within one 4k page.
prdRegion =
IoMemory.AllocatePhysical(PRD_MAX_ENTRIES * PRD_BYTES_PER_ENTRY,
PRD_ALIGNMENT);
} // BusMasterInitialize
public HalScreenDirect(IoConfig config)
{
indexRegister =
((IoPortRange)config.FixedRanges[0]).PortAtOffset(
0, 1, Access.Write);
dataRegister =
((IoPortRange)config.FixedRanges[1]).PortAtOffset(
0, 1, Access.Write);
screenBuffer =
((IoMemoryRange)config.FixedRanges[2]).MemoryAtOffset(
0, ScreenSize * 2, Access.ReadWrite);
Clear();
WriteLine("Singularity HAL Console Driver.");
UpdateCursor(true);
}
// Constructor
internal RTClockLegacyPC(PnpConfig config, Pic pic, Timer8254LegacyPC timer)
{
DebugStub.Print("RTClock: create\n");
// /pnp/08/03/01/PNP0B00 0003 cfg dis : ISA RTC Controller : AT RTC
// IRQ mask=0100 type=47
// I/O Port inf=01 min=0070 max=0070 aln=01 len=02 0070..0071
this.config = config;
this.pic = pic;
this.irq = ((IoIrqRange)config.DynamicRanges[1]).Irq;
this.timer = timer;
rtcadd = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(0, 1, Access.ReadWrite);
rtcdat = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(1, 1, Access.ReadWrite);
}
internal Pic(PnpConfig config)
{
// /pnp/08/00/01/PNP0000 0003 cfg dis
// I/O Port inf=01 min=0020 max=0020 aln=01 len=02 0020..0021
// I/O Port inf=01 min=00a0 max=00a0 aln=01 len=02 00a0..00a1
// IRQ mask=0004 type=79
// Range[0]: 0x20; // PIC0
// Range[1]: 0xA0; // PIC1
pic0CtrlPort = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(0, 1, Access.ReadWrite);
pic0MaskPort = ((IoPortRange)config.DynamicRanges[0])
.PortAtOffset(1, 1, Access.ReadWrite);
pic1CtrlPort = ((IoPortRange)config.DynamicRanges[1])
.PortAtOffset(0, 1, Access.ReadWrite);
pic1MaskPort = ((IoPortRange)config.DynamicRanges[1])
.PortAtOffset(1, 1, Access.ReadWrite);
}
private void IndxOut(IoPort port, byte[] values)
{
for (ushort i = 0; i < values.Length; i++) {
port.Write16((ushort)(i + ((ushort)values[i] << 8)));
}
}
} // BusMasterInitialize
public void Uninitialize()
{
commandPort = null; //???
}
