73 lines
3.1 KiB
C#
73 lines
3.1 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: ProcessorContext.cs
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//
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// Note:
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//
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namespace Microsoft.Singularity.X86
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{
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Threading;
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using Microsoft.Singularity.X86;
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[NoCCtor]
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[CLSCompliant(false)]
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[StructLayout(LayoutKind.Sequential)]
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internal struct ProcessorContext
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{
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[AccessedByRuntime("referenced from c++")] private UIntPtr Reserved0;
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// The remaining fields are private to the kernel.
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[AccessedByRuntime("referenced from c++")] internal unsafe ThreadContext *threadContext;
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[AccessedByRuntime("referenced from c++")] internal unsafe ProcessorContext *processorContext;
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[AccessedByRuntime("referenced from c++")] private unsafe Processor *_processor; // Only changed by garbage collector.
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[AccessedByRuntime("referenced from c++")] internal UIntPtr exception;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr schedulerStackBegin;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr schedulerStackLimit;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr interruptStackBegin;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr interruptStackLimit;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr interruptStackPreLimit;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr exceptionStackBegin;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr exceptionStackLimit;
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[AccessedByRuntime("referenced from c++")] internal UIntPtr exceptionStackPreLimit;
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[AccessedByRuntime("referenced from c++")] internal ThreadContext exceptionContext;
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[AccessedByRuntime("referenced from c++")] internal ThreadContext thirdContext;
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[AccessedByRuntime("referenced from c++")] internal int cpuId;
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[AccessedByRuntime("referenced from c++")] internal volatile int ipiFreeze;
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[AccessedByRuntime("referenced from c++")] internal unsafe ProcessorContext* nextProcessorContext; // singly-linked circular list node for MpExecution use
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//////////////////////////////////////////////// Methods & Properties.
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//
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internal Processor processor {
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[NoHeapAllocation]
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get { return GetProcessor(); }
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}
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//////////////////////////////////////////////////// External Methods.
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//
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[AccessedByRuntime("output to header: defined in c++")]
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[MethodImpl(MethodImplOptions.InternalCall)]
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[StackBound(32)]
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[NoHeapAllocation]
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private extern Processor GetProcessor();
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[AccessedByRuntime("output to header: defined in c++")]
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[MethodImpl(MethodImplOptions.InternalCall)]
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[StackBound(32)]
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[NoHeapAllocation]
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internal extern void UpdateAfterGC(Processor processor);
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}
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}
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