82 lines
2.3 KiB
C#
82 lines
2.3 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: HalTimer.cs
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//
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// Note:
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//
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// This file is an implementation of Interfaces/Hal/HalTimer.csi
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//
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using System;
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using System.Runtime.CompilerServices;
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namespace Microsoft.Singularity.Hal
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{
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public class HalTimer
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{
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private ApicTimer apicTimer;
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public HalTimer(ApicTimer theApicTimer)
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{
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this.apicTimer = theApicTimer;
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}
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/// <summary>
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/// Clear interrupt associated with timer.
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/// </summary>
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[NoHeapAllocation]
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public void ClearInterrupt()
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{
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apicTimer.ClearInterrupt();
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}
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/// <value>
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/// Maximum value accepted by SetNextInterrupt (in units of 100ns).
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/// </value>
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public long MaxInterruptInterval {
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[NoHeapAllocation]
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get { return apicTimer.MaxInterruptInterval; }
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}
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/// <value>
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/// Minimum value accepted by SetNextInterrupt (in units of 100ns).
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/// </value>
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public long MinInterruptInterval {
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[NoHeapAllocation]
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get { return apicTimer.MinInterruptInterval; }
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}
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/// <value>
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/// Granularity of interrupt timeout (in units of 100ns).
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/// </value>
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public long InterruptIntervalGranularity {
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[NoHeapAllocation]
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get { return apicTimer.InterruptIntervalGranularity; }
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}
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/// <summary>
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/// Set relative time of next interrupt.
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///
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/// <param name="delta">Relative time of next interrupt in units
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/// of 100ns. The time should be with the range between
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/// from <c>SetNextInterruptMinDelta</c> to
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/// <c>SetNextInterruptMaxDelta</c></param>.
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/// <returns> true on success.</returns>
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/// </summary>
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[NoHeapAllocation]
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public bool SetNextInterrupt(long delta)
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{
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return apicTimer.SetNextInterrupt(delta);
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}
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public byte Interrupt {
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[NoHeapAllocation]
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get { return apicTimer.Interrupt; }
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}
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}
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} // namespace Microsoft.Singularity.Hal
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