461 lines
16 KiB
C#
461 lines
16 KiB
C#
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: AcpiTables.cs
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//
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// Note:
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// Pages of 111-121 ACPI 3.0 Spec.
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namespace Microsoft.Singularity.Hal.Acpi
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{
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using System;
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using System.Collections;
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using System.Diagnostics;
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using Microsoft.Singularity.Io;
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public struct MadtFlags
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{
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public const uint PCAT_COMPAT_FLAG = 0x01;
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}
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public class Madt
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{
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public const string Signature = "APIC";
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private IoMemory region;
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private SystemTableHeader header;
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uint localApicAddress;
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uint flags; // Values per MadtFlags
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private Madt(IoMemory region, SystemTableHeader header)
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{
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this.region = region;
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this.header = header;
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localApicAddress = region.Read32(0);
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flags = region.Read32(4);
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// XXX Just for debugging
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GetLocalApics();
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GetIoApics();
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GetInterruptSourceOverrides();
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GetNmis();
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GetApicNmis();
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GetLocalApicAddressOverrides();
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GetIoSApics();
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GetLocalSApics();
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GetPlatformInterruptSources();
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}
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///////////////////////////////////////////////////////////////////////
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// Structure and method to get MADT table items generically
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private delegate object ItemCreateDelegate(IoMemory mem, int offset);
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private ArrayList GetStructures(byte typeId,
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ItemCreateDelegate createMethod)
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{
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ArrayList l = new ArrayList();
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int offset = 8;
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while (offset < region.Length)
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{
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if (region.Read8(offset) == typeId)
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{
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object entry = createMethod(region, offset);
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if (entry != null)
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{
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l.Add(entry);
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}
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}
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offset += region.Read8(offset + 1);
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}
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return l;
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}
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///////////////////////////////////////////////////////////////////////
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// Methods to get MADT items of particular types
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public ArrayList GetLocalApics()
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{
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return GetStructures(LocalApic.TypeId,
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new ItemCreateDelegate(LocalApic.Create));
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}
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public ArrayList GetIoApics()
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{
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return GetStructures(IoApic.TypeId,
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new ItemCreateDelegate(IoApic.Create));
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}
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public ArrayList GetInterruptSourceOverrides()
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{
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return GetStructures(InterruptSourceOverride.TypeId,
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new ItemCreateDelegate(InterruptSourceOverride.Create));
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}
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public ArrayList GetNmis()
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{
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return GetStructures(Nmi.TypeId,
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new ItemCreateDelegate(Nmi.Create));
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}
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public ArrayList GetApicNmis()
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{
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return GetStructures(ApicNmi.TypeId,
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new ItemCreateDelegate(ApicNmi.Create));
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}
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public ArrayList GetLocalApicAddressOverrides()
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{
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return GetStructures(LocalApicAddressOverride.TypeId,
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new ItemCreateDelegate(LocalApicAddressOverride.Create));
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}
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public ArrayList GetIoSApics()
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{
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return GetStructures(IoSApic.TypeId,
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new ItemCreateDelegate(IoSApic.Create));
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}
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public ArrayList GetLocalSApics()
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{
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return GetStructures(LocalSApic.TypeId,
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new ItemCreateDelegate(LocalSApic.Create));
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}
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public ArrayList GetPlatformInterruptSources()
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{
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return GetStructures(PlatformInterruptSource.TypeId,
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new ItemCreateDelegate(PlatformInterruptSource.Create));
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}
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///////////////////////////////////////////////////////////////////////
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//
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internal static Madt Create(SystemTableHeader header)
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{
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IoMemory region = IoMemory.MapPhysicalMemory(header.PostHeaderAddress,
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header.PostHeaderLength,
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true, false);
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int sum = (header.Checksum + AcpiChecksum.Compute(region)) & 0xff;
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if (sum != 0)
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{
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return null;
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}
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return new Madt(region, header);
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}
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}
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///////////////////////////////////////////////////////////////////////////
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// MADT APIC Structure Constants
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public struct ApicFlags
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{
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public const uint Enabled = 0x01;
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}
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public struct MpsIntiFlags
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{
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public const ushort PolarityBus = 0;
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public const ushort PolarityActiveHigh = 1;
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public const ushort PolarityActiveLow = 3;
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public const ushort PolarityMask = 3;
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public const ushort TriggerBus = 0;
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public const ushort TriggerEdge = 4;
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public const ushort TriggerLevel = 6;
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public const ushort TriggerMask = 6;
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}
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public struct PlatformInterruptType
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{
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public const uint PMI = 1;
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public const uint INIT = 2;
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public const uint CorrectedPlatformErrorInterrupt = 3;
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}
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public struct PlatformInterruptSourceFlags
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{
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public const uint CpeiProcessorOverride = 1;
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}
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///////////////////////////////////////////////////////////////////////////
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// MADT APIC Structures
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public class LocalApic
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{
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internal const byte TypeId = 0x00;
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internal const byte Length = 8;
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public byte AcpiProcessorId;
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public byte ApicId;
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public uint Flags; // Values per ApicFlags
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internal LocalApic(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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AcpiProcessorId = region.Read8(offset + 2);
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ApicId = region.Read8(offset + 3);
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Flags = region.Read32(offset + 4);
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// DebugStub.Print("{0:x4}:{1:x4} type {2:x1} AcpiProcId {3:x2} ApicId {4:x2} Flags {5:x8} (LocalApic)\n", __arglist(offset, offset + Length, TypeId, AcpiProcessorId, ApicId, Flags));
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}
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internal static object Create(IoMemory region, int offset)
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{
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LocalApic entry = new LocalApic(region, offset);
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// Only return usable entries
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return ((entry.Flags & 1) == 1
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? entry
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: null);
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}
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}
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public class IoApic
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{
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internal const byte TypeId = 0x01;
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internal const byte Length = 12;
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public byte Id;
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public uint Address;
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public uint InterruptBase;
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internal IoApic(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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Id = region.Read8(offset + 2);
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// reserved = region.Read8(offset + 3);
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Address = region.Read32(offset + 4);
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InterruptBase = region.Read32(offset + 8);
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// DebugStub.Print("{0:x4}:{1:x4} type {2:x1} Id {3:x2} Address {4:x8} InterruptBase {5:x8} (IoApic)\n", __arglist(offset, offset + Length, TypeId, Id, Address, InterruptBase));
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}
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internal static object Create(IoMemory region, int offset)
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{
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return new IoApic(region, offset);
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}
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}
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public class InterruptSourceOverride
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{
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internal const byte TypeId = 0x02;
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internal const byte Length = 10;
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public byte Bus;
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public byte Source;
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public uint GlobalSystemInterrupt;
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public ushort Flags; // Values per MpsIntiFlags
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internal InterruptSourceOverride(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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Bus = region.Read8(offset + 2);
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Source = region.Read8(offset + 3);
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GlobalSystemInterrupt = region.Read32(offset + 4);
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Flags = region.Read16(offset + 8);
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// DebugStub.Print("{0:x4}:{1:x4} type {2:x1} Bus {3:x2} Source {4:x2} GlobalSystemInterrupt {5:x8} Flags {6:x2} (InterruptSourceOverride)\n", __arglist(offset, offset + Length, TypeId, Bus, Source, GlobalSystemInterrupt, Flags));
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}
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internal static object Create(IoMemory region, int offset)
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{
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return new InterruptSourceOverride(region, offset);
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}
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}
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public class Nmi
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{
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internal const byte TypeId = 0x03;
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internal const byte Length = 8;
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public ushort Flags; // Values per MpsIntiFlags
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public uint GlobalSystemInterrupt;
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internal Nmi(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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Flags = region.Read16(offset + 2);
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GlobalSystemInterrupt = region.Read32(offset + 4);
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// DebugStub.Print("{0:x4}:{1:x4} type {2:x1} Flags {3:x2} GlobalSystemInterrupt {4:x8} (Nmi)\n", __arglist(offset, offset + Length, TypeId, Flags, GlobalSystemInterrupt));
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}
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internal static object Create(IoMemory region, int offset)
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{
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return new Nmi(region, offset);
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}
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}
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public class ApicNmi
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{
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internal const byte TypeId = 0x04;
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internal const byte Length = 6;
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public byte AcpiProcessorId;
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public ushort Flags; // Values per MpsIntiFlags
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public byte LocalApicLint;
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internal ApicNmi(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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AcpiProcessorId = region.Read8(offset + 2);
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Flags = region.Read16(offset + 3);
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LocalApicLint = region.Read8(offset + 5);
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// DebugStub.Print("{0:x4}:{1:x4} type {2:x1} ApicProcessorId {3:x2} Flags {4:x4} LocalApicLint {5:x2} (ApicNmi)\n", __arglist(offset, offset + Length, TypeId, AcpiProcessorId, Flags, LocalApicLint));
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}
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internal static object Create(IoMemory region, int offset)
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{
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return new ApicNmi(region, offset);
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}
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}
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public class LocalApicAddressOverride
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{
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internal const byte TypeId = 0x05;
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internal const byte Length = 12;
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ulong LocalApicAddress;
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internal LocalApicAddressOverride(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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// reserved = region.Read16(offset + 2);
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LocalApicAddress = region.Read64(offset + 4);
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// DebugStub.Print("{0:x04}:{1:x04} type {2:x01} LocalApicAddress {3:x016} (LocalApicAddressOverride)\n", __arglist(offset, offset + Length, TypeId, LocalApicAddress));
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}
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internal static object Create(IoMemory region, int offset)
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{
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return new LocalApicAddressOverride(region, offset);
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}
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}
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public class IoSApic
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{
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internal const byte TypeId = 0x6;
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internal const byte Length = 16;
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internal byte Id;
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internal uint InterruptBase;
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internal ulong Address;
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internal IoSApic(IoMemory region, int offset)
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{
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Debug.Assert(region.Read8(offset + 0) == TypeId);
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Debug.Assert(region.Read8(offset + 1) == Length);
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Id = region.Read8(offset + 2);
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// reserved = region.Read8(offset + 3);
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InterruptBase = region.Read32(offset + 4);
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Address = region.Read64(offset + 8);
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// DebugStub.Print("{0:x04}:{1:x04} type {2:x01} Id {3:x02} InterruptBase {4:x04} Address {5:x016} (IoSApic)\n", __arglist(offset, offset + Length, TypeId, Id, InterruptBase, Address));
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}
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|||
|
|
internal static object Create(IoMemory region, int offset)
|
|||
|
|
{
|
|||
|
|
return new IoSApic(region, offset);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class LocalSApic
|
|||
|
|
{
|
|||
|
|
internal const byte TypeId = 0x07;
|
|||
|
|
internal const byte MinLength = 17;
|
|||
|
|
|
|||
|
|
public byte AcpiProcessorId;
|
|||
|
|
public byte LocalSApicId;
|
|||
|
|
public byte LocalSApicEid;
|
|||
|
|
public uint Flags; // Values per ApicFlags
|
|||
|
|
public uint AcpiProcessorUidValue;
|
|||
|
|
public string AcpiProcessorUidString;
|
|||
|
|
|
|||
|
|
internal LocalSApic(IoMemory region, int offset)
|
|||
|
|
{
|
|||
|
|
Debug.Assert(region.Read8(offset + 0) == TypeId);
|
|||
|
|
|
|||
|
|
byte length = region.Read8(offset + 1);
|
|||
|
|
Debug.Assert(length >= MinLength);
|
|||
|
|
|
|||
|
|
AcpiProcessorId = region.Read8(offset + 2);
|
|||
|
|
LocalSApicId = region.Read8(offset + 3);
|
|||
|
|
LocalSApicEid = region.Read8(offset + 4);
|
|||
|
|
// reserved = region.Read24(offset + 5);
|
|||
|
|
Flags = region.Read32(offset + 8);
|
|||
|
|
AcpiProcessorUidValue = region.Read32(offset + 12) ;
|
|||
|
|
AcpiProcessorUidString = region.ReadString(offset + 16,
|
|||
|
|
(int)length - 17);
|
|||
|
|
|
|||
|
|
// DebugStub.Print("{0:x04}:{1:x04} type {2:x01} AcpiProcId {3:x02} LocalSApicId {4:x02} LocalSApicEid {5:x02} Flags {6:x08} AcpiProcUid {7:x04} AcpiProcUid \"{8}\" (LocalSApic)\n", __arglist(offset, offset + length, TypeId, AcpiProcessorId, LocalSApicId, LocalSApicEid, Flags, AcpiProcessorUidValue, AcpiProcessorUidString));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static object Create(IoMemory region, int offset)
|
|||
|
|
{
|
|||
|
|
return new LocalSApic(region, offset);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class PlatformInterruptSource
|
|||
|
|
{
|
|||
|
|
internal const byte TypeId = 0x8;
|
|||
|
|
internal const byte Length = 16;
|
|||
|
|
|
|||
|
|
public ushort Flags; // Values per MpsIntiFlags
|
|||
|
|
public byte InterruptType; // PlatformInterruptType
|
|||
|
|
public byte ProcessorId;
|
|||
|
|
public byte ProcessorEid;
|
|||
|
|
public byte IoSApicVector;
|
|||
|
|
public uint GlobalSystemInterrupt;
|
|||
|
|
public uint SourceFlags; // PlatformInterruptSourceFlags
|
|||
|
|
|
|||
|
|
internal PlatformInterruptSource(IoMemory region, int offset)
|
|||
|
|
{
|
|||
|
|
Debug.Assert(region.Read8(offset + 0) == TypeId);
|
|||
|
|
Debug.Assert(region.Read8(offset + 1) == Length);
|
|||
|
|
|
|||
|
|
Flags = region.Read16(offset + 2);
|
|||
|
|
InterruptType = region.Read8(offset + 4);
|
|||
|
|
ProcessorId = region.Read8(offset + 5);
|
|||
|
|
ProcessorEid = region.Read8(offset + 6);
|
|||
|
|
IoSApicVector = region.Read8(offset + 7);
|
|||
|
|
GlobalSystemInterrupt = region.Read32(offset + 8);
|
|||
|
|
SourceFlags = region.Read32(offset + 12);
|
|||
|
|
|
|||
|
|
// DebugStub.Print("{0:x04}:{1:x04} type {2:x01} Flags {3:x04} InterruptType {4:x02} ProcessorId {5:x02} ProcessorEid {6:x02} IoSApicVector {7:x02} GlobalSystemInterrupt {8:x04} SourceFlags {9:x04} (PlatformInterruptSource)\n", __arglist(offset, offset + Length, TypeId, Flags, InterruptType, ProcessorId, ProcessorEid, IoSApicVector, GlobalSystemInterrupt, SourceFlags));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static object Create(IoMemory region, int offset)
|
|||
|
|
{
|
|||
|
|
return new PlatformInterruptSource(region, offset);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|