63 lines
1.8 KiB
C#
63 lines
1.8 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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// File: ApServiceThread.cs
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//
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// Note:
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//
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using System.Threading;
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using Microsoft.Singularity;
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namespace Microsoft.Singularity
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{
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internal class ApServiceThread
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{
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public static AutoResetEvent abiEvent;
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internal static void Initialize()
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{
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abiEvent = new AutoResetEvent(false);
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Thread.CreateThread(Thread.CurrentProcess, new ThreadStart(ApServiceLoop)).Start();
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}
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private static void ApServiceLoop()
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{
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DebugStub.WriteLine("ApServiceThread is initialized and sleeping ...");
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MpExecution.MpCall mpCall;
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bool iflag;
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while (true) {
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abiEvent.WaitOne();
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DebugStub.WriteLine
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("HSG: ** cpu.{0} receives AbiCall interrupt",
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__arglist(Processor.GetCurrentProcessorId()));
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// Current design: the boot processor will get all
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// unserved abi call. So we don't need to worry
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// missing any calls
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while (true) {
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iflag = Processor.DisableInterrupts();
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mpCall = MpExecution.GetMpCall(Processor.GetCurrentProcessorId());
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Processor.RestoreInterrupts(iflag);
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// There is no unserved abi call, just break
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if (mpCall == null) {
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break;
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}
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BspAbiStub.ProcessMpCall(Processor.GetCurrentProcessorId(), mpCall);
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}
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}
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}
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}
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}
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