67 lines
1.8 KiB
Plaintext
67 lines
1.8 KiB
Plaintext
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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: HalPic.csi
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//
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// Note:
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//
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using System;
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using System.Collections;
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using System.Runtime.CompilerServices;
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using System.Threading;
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namespace Microsoft.Singularity.Hal
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{
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public class HalPic
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{
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/// <summary>
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/// Maximum valid IRQ property. On legacy PC systems this value is
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/// 15. On APIC PC systems this number will usually be larger.
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/// </summary>
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public byte MaximumIrq
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{
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[NoHeapAllocation] get;
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}
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/// <summary>
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/// Convert interrupt vector to interrupt request line.
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/// </summary>
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[NoHeapAllocation]
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public byte InterruptToIrq(byte interrupt);
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/// <summary>
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/// Convert interrupt request line to interrupt vector.
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/// </summary>
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[NoHeapAllocation]
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public byte IrqToInterrupt(byte irq);
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/// <summary>
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/// Acknowledge the interrupt request. (EOI)
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/// </summary>
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[NoHeapAllocation]
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public void AckIrq(byte irq);
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/// <summary>
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/// Enable interrupt request by removing mask.
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/// </summary>
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[NoHeapAllocation]
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public void EnableIrq(byte irq);
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/// <summary>
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/// Disable interrupt request by applying mask.
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/// </summary>
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[NoHeapAllocation]
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public void DisableIrq(byte irq);
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/// <summary>
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/// Acknowledge and mask interrupt.
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/// </summary>
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[NoHeapAllocation]
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public void ClearInterrupt(byte interrupt);
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}
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} // namespace Microsoft.Singularity.Hal
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