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/*
* Generic ARM Programmable Interrupt Controller support.
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
*
* This code is licenced under the LGPL
*/
#include "hw.h"
#include "pc.h"
#include "arm-misc.h"
/* Stub functions for hardware that doesn't exist. */
void pic_info(Monitor *mon)
{
}
void irq_info(Monitor *mon)
{
}
/* Input 0 is IRQ and input 1 is FIQ. */
static void arm_pic_cpu_handler(void *opaque, int irq, int level)
{
CPUState *env = (CPUState *)opaque;
switch (irq) {
case ARM_PIC_CPU_IRQ:
if (level)
cpu_interrupt(env, CPU_INTERRUPT_HARD);
else
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
break;
case ARM_PIC_CPU_FIQ:
if (level)
cpu_interrupt(env, CPU_INTERRUPT_FIQ);
else
cpu_reset_interrupt(env, CPU_INTERRUPT_FIQ);
break;
default:
hw_error("arm_pic_cpu_handler: Bad interrput line %d\n", irq);
}
}
qemu_irq *arm_pic_init_cpu(CPUState *env)
{
return qemu_allocate_irqs(arm_pic_cpu_handler, env, 2);
}
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