]> Git Repo - qemu.git/blob - hw/arm/pic_cpu.c
arm: fix location of some include files
[qemu.git] / hw / arm / pic_cpu.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/hw.h"
11 #include "hw/arm/arm.h"
12 #include "sysemu/kvm.h"
13
14 /* Input 0 is IRQ and input 1 is FIQ.  */
15 static void arm_pic_cpu_handler(void *opaque, int irq, int level)
16 {
17     ARMCPU *cpu = opaque;
18     CPUState *cs = CPU(cpu);
19
20     switch (irq) {
21     case ARM_PIC_CPU_IRQ:
22         if (level) {
23             cpu_interrupt(cs, CPU_INTERRUPT_HARD);
24         } else {
25             cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
26         }
27         break;
28     case ARM_PIC_CPU_FIQ:
29         if (level) {
30             cpu_interrupt(cs, CPU_INTERRUPT_FIQ);
31         } else {
32             cpu_reset_interrupt(cs, CPU_INTERRUPT_FIQ);
33         }
34         break;
35     default:
36         hw_error("arm_pic_cpu_handler: Bad interrupt line %d\n", irq);
37     }
38 }
39
40 static void kvm_arm_pic_cpu_handler(void *opaque, int irq, int level)
41 {
42 #ifdef CONFIG_KVM
43     ARMCPU *cpu = opaque;
44     CPUState *cs = CPU(cpu);
45     int kvm_irq = KVM_ARM_IRQ_TYPE_CPU << KVM_ARM_IRQ_TYPE_SHIFT;
46
47     switch (irq) {
48     case ARM_PIC_CPU_IRQ:
49         kvm_irq |= KVM_ARM_IRQ_CPU_IRQ;
50         break;
51     case ARM_PIC_CPU_FIQ:
52         kvm_irq |= KVM_ARM_IRQ_CPU_FIQ;
53         break;
54     default:
55         hw_error("kvm_arm_pic_cpu_handler: Bad interrupt line %d\n", irq);
56     }
57     kvm_irq |= cs->cpu_index << KVM_ARM_IRQ_VCPU_SHIFT;
58     kvm_set_irq(kvm_state, kvm_irq, level ? 1 : 0);
59 #endif
60 }
61
62 qemu_irq *arm_pic_init_cpu(ARMCPU *cpu)
63 {
64     if (kvm_enabled()) {
65         return qemu_allocate_irqs(kvm_arm_pic_cpu_handler, cpu, 2);
66     }
67     return qemu_allocate_irqs(arm_pic_cpu_handler, cpu, 2);
68 }
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