/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.vm.x86;
import org.jnode.annotation.KernelSpace;
import org.jnode.annotation.Uninterruptible;
import org.jnode.vm.scheduler.IRQManager;
final class X86IRQManager extends IRQManager {
/**
* Number of IRQ vectors
*/
static final int IRQ_COUNT = 16;
/**
* Programmable interrupt controller
*/
private final PIC8259A pic8259a;
/**
* @param irqCount
*/
X86IRQManager(VmX86Processor cpu, PIC8259A pic8259a) {
super(cpu.getIrqCounters(), cpu);
this.pic8259a = pic8259a;
}
/**
* Set an End Of Interrupt message to the 8259 interrupt controller(s).
*
* @param irq
*/
@Uninterruptible
@KernelSpace
protected final void eoi(int irq) {
pic8259a.eoi(irq);
}
}