]> Git Repo - qemu.git/blob - hw/arm_pic.c
Merge branch 'eflags3' of git://github.com/rth7680/qemu
[qemu.git] / hw / arm_pic.c
1 /*
2  * Generic ARM Programmable Interrupt Controller support.
3  *
4  * Copyright (c) 2006 CodeSourcery.
5  * Written by Paul Brook
6  *
7  * This code is licensed under the LGPL
8  */
9
10 #include "hw.h"
11 #include "arm-misc.h"
12
13 /* Input 0 is IRQ and input 1 is FIQ.  */
14 static void arm_pic_cpu_handler(void *opaque, int irq, int level)
15 {
16     ARMCPU *cpu = opaque;
17     CPUARMState *env = &cpu->env;
18
19     switch (irq) {
20     case ARM_PIC_CPU_IRQ:
21         if (level)
22             cpu_interrupt(env, CPU_INTERRUPT_HARD);
23         else
24             cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
25         break;
26     case ARM_PIC_CPU_FIQ:
27         if (level)
28             cpu_interrupt(env, CPU_INTERRUPT_FIQ);
29         else
30             cpu_reset_interrupt(env, CPU_INTERRUPT_FIQ);
31         break;
32     default:
33         hw_error("arm_pic_cpu_handler: Bad interrupt line %d\n", irq);
34     }
35 }
36
37 qemu_irq *arm_pic_init_cpu(ARMCPU *cpu)
38 {
39     return qemu_allocate_irqs(arm_pic_cpu_handler, cpu, 2);
40 }
This page took 0.02638 seconds and 4 git commands to generate.