146 lines
6.6 KiB
C#
146 lines
6.6 KiB
C#
///////////////////////////////////////////////////////////////////////////////
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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 95-104 of 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 Microsoft.Singularity.Io;
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public enum FadtFlags : uint
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{
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WBINVD = 1u << 0,
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WBINVD_FLUSH = 1u << 1,
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PROC_C1 = 1u << 2,
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P_LVL2_UP = 1u << 3,
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PWR_BUTTON = 1u << 4,
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SLP_BUTTON = 1u << 5,
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FIX_RTC = 1u << 6,
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RTC_S4 = 1u << 7,
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TMR_VAL_EXT = 1u << 8,
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DCK_CAP = 1u << 9,
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RESET_REG_SUP = 1u << 10,
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SEALED_CASE = 1u << 11,
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HEADLESS = 1u << 12,
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CPU_SW_SLP = 1u << 13,
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PCI_EXP_WAK = 1u << 14,
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USE_PLATFORM_CLOCK = 1u << 15,
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S4_RTC_STS_VALID = 1u << 16,
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REMOTE_POWER_ON_CAPABLE = 1u << 17,
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FORCE_APIC_CLUSTER_MODEL = 1u << 18,
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FORCE_APIC_PHYSICAL_DESTINATION_MODE = 1u << 19,
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};
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public class Fadt
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{
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public const string Signature = "FACP";
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private IoMemory region;
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private SystemTableHeader header;
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public Fadt(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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}
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private byte Read8(int offset)
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{
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return region.Read8(offset - (int) SystemTableHeader.Length);
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}
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private ushort Read16(int offset)
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{
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return region.Read16(offset - (int) SystemTableHeader.Length);
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}
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private uint Read32(int offset)
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{
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return region.Read32(offset - (int) SystemTableHeader.Length);
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}
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private ulong Read64(int offset)
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{
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return region.Read64(offset - (int) SystemTableHeader.Length);
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}
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private Gas ReadGas(int offset)
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{
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return new Gas(Read32(offset), Read64(offset + 4));
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}
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// --- BEGIN GENERATED REGION ---
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public uint FIRMWARE_CTRL { get { return Read32(36); } }
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public uint DSDT { get { return Read32(40); } }
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public byte Preferred_PM_Profile { get { return Read8(45); } }
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public ushort SCI_INT { get { return Read16(46); } }
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public uint SMI_CMD { get { return Read32(48); } }
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public byte ACPI_ENABLE { get { return Read8(52); } }
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public byte ACPI_DISABLE { get { return Read8(53); } }
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public byte S4BIOS_REQ { get { return Read8(54); } }
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public byte PSTATE_CNT { get { return Read8(55); } }
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public uint PM1a_EVT_BLK { get { return Read32(56); } }
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public uint PM1b_EVT_BLK { get { return Read32(60); } }
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public uint PM1a_CNT_BLK { get { return Read32(64); } }
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public uint PM1b_CNT_BLK { get { return Read32(68); } }
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public uint PM2_CNT_BLK { get { return Read32(72); } }
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public uint PM_TMR_BLK { get { return Read32(76); } }
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public uint GPE0_BLK { get { return Read32(80); } }
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public uint GPE1_BLK { get { return Read32(84); } }
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public byte PM1_EVT_LEN { get { return Read8(88); } }
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public byte PM1_CNT_LEN { get { return Read8(89); } }
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public byte PM2_CNT_LEN { get { return Read8(90); } }
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public byte PM_TMR_LEN { get { return Read8(91); } }
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public byte GPE0_BLK_LEN { get { return Read8(92); } }
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public byte GPE1_BLK_LEN { get { return Read8(93); } }
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public byte GPE1_BASE { get { return Read8(94); } }
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public byte CST_CNT { get { return Read8(95); } }
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public ushort P_LVL2_LAT { get { return Read16(96); } }
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public ushort P_LVL3_LAT { get { return Read16(98); } }
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public ushort FLUSH_SIZE { get { return Read16(100); } }
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public ushort FLUSH_STRIDE { get { return Read16(102); } }
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public byte DUTY_OFFSET { get { return Read8(104); } }
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public byte DUTY_WIDTH { get { return Read8(105); } }
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public byte DAY_ALRM { get { return Read8(106); } }
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public byte MON_ALRM { get { return Read8(107); } }
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public byte CENTURY { get { return Read8(108); } }
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public ushort IAPC_BOOT_ARCH { get { return Read16(109); } }
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public uint Flags { get { return Read32(112); } }
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public Gas RESET_REG { get { return ReadGas(116); } }
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public byte RESET_VALUE { get { return Read8(128); } }
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public ulong X_FIRMWARE_CTRL { get { return Read64(132); } }
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public ulong X_DSDT { get { return Read64(140); } }
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public Gas X_PM1a_EVT_BLK { get { return ReadGas(148); } }
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public Gas X_PM1b_EVT_BLK { get { return ReadGas(160); } }
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public Gas X_PM1a_CNT_BLK { get { return ReadGas(172); } }
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public Gas X_PM1b_CNT_BLK { get { return ReadGas(184); } }
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public Gas X_PM2_CNT_BLK { get { return ReadGas(196); } }
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public Gas X_PM_TMR_BLK { get { return ReadGas(208); } }
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public Gas X_GPE0_BLK { get { return ReadGas(220); } }
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public Gas X_GPE1_BLK { get { return ReadGas(232); } }
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// --- END GENERATED REGION ---
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public static Fadt 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 Fadt(region, header);
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}
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}
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}
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