88 lines
2.8 KiB
C#
88 lines
2.8 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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using System;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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namespace Microsoft.Singularity.Isal.IX
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{
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// A lgdt pointer to the entries
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//
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[CLSCompliant(false)]
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[AccessedByRuntime("referenced from c++")]
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public struct Idtp
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{
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#if ISA_IX64
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[AccessedByRuntime("referenced from c++")]
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internal ushort pad1;
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[AccessedByRuntime("referenced from c++")]
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internal ushort pad2;
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#endif
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[AccessedByRuntime("referenced from c++")]
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public ushort pad;
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[AccessedByRuntime("referenced from c++")]
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public ushort limit;
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#if ISA_IX86
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[AccessedByRuntime("referenced from c++")]
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public uint addr;
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#else
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[AccessedByRuntime("referenced from c++")]
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public ulong addr;
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#endif
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};
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[CLSCompliant(false)]
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[AccessedByRuntime("referenced from c++")]
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public struct Idte
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{
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// An entry in the Interrupt Descriptor Table
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[AccessedByRuntime("referenced from c++")]
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public ushort offset_0_15;
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[AccessedByRuntime("referenced from c++")]
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public ushort selector;
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[AccessedByRuntime("referenced from c++")]
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public byte flags;
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[AccessedByRuntime("referenced from c++")]
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public byte access;
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[AccessedByRuntime("referenced from c++")]
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public ushort offset_16_31;
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#if ISA_IX64
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[AccessedByRuntime("referenced from c++")]
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internal uint offset_32_63;
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[AccessedByRuntime("referenced from c++")]
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internal uint reserved;
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#endif
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///////////////////////////////////////// Interrupt Descriptor Tables.
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//
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[AccessedByRuntime("referenced from c++")]
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public const uint PRESENT = 0x80;
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[AccessedByRuntime("referenced from c++")]
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public const uint DPL_RING3 = 0x60;
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[AccessedByRuntime("referenced from c++")]
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public const uint DPL_RING2 = 0x40;
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[AccessedByRuntime("referenced from c++")]
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public const uint DPL_RING1 = 0x20;
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[AccessedByRuntime("referenced from c++")]
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public const uint DPL_RING0 = 0x00;
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[AccessedByRuntime("referenced from c++")]
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public const uint TASK_GATE = 0x05;
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[AccessedByRuntime("referenced from c++")]
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public const uint CALL_GATE = 0x0c;
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[AccessedByRuntime("referenced from c++")]
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public const uint INT_GATE = 0x0e;
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[AccessedByRuntime("referenced from c++")]
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public const uint TRAP_GATE = 0x0f;
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}
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}
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