Statistics
| Branch: | Revision:

root / hw / microblaze_pic_cpu.c @ d9346e81

History | View | Annotate | Download (1.7 kB)

1 1f07fd1f Edgar E. Iglesias
/*
2 1f07fd1f Edgar E. Iglesias
 * QEMU MicroBlaze CPU interrupt wrapper logic.
3 1f07fd1f Edgar E. Iglesias
 *
4 1f07fd1f Edgar E. Iglesias
 * Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
5 1f07fd1f Edgar E. Iglesias
 *
6 1f07fd1f Edgar E. Iglesias
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 1f07fd1f Edgar E. Iglesias
 * of this software and associated documentation files (the "Software"), to deal
8 1f07fd1f Edgar E. Iglesias
 * in the Software without restriction, including without limitation the rights
9 1f07fd1f Edgar E. Iglesias
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 1f07fd1f Edgar E. Iglesias
 * copies of the Software, and to permit persons to whom the Software is
11 1f07fd1f Edgar E. Iglesias
 * furnished to do so, subject to the following conditions:
12 1f07fd1f Edgar E. Iglesias
 *
13 1f07fd1f Edgar E. Iglesias
 * The above copyright notice and this permission notice shall be included in
14 1f07fd1f Edgar E. Iglesias
 * all copies or substantial portions of the Software.
15 1f07fd1f Edgar E. Iglesias
 *
16 1f07fd1f Edgar E. Iglesias
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 1f07fd1f Edgar E. Iglesias
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 1f07fd1f Edgar E. Iglesias
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 1f07fd1f Edgar E. Iglesias
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 1f07fd1f Edgar E. Iglesias
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 1f07fd1f Edgar E. Iglesias
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 1f07fd1f Edgar E. Iglesias
 * THE SOFTWARE.
23 1f07fd1f Edgar E. Iglesias
 */
24 1f07fd1f Edgar E. Iglesias
25 1f07fd1f Edgar E. Iglesias
#include "hw.h"
26 1f07fd1f Edgar E. Iglesias
#include "pc.h"
27 1f07fd1f Edgar E. Iglesias
28 1f07fd1f Edgar E. Iglesias
#define D(x)
29 1f07fd1f Edgar E. Iglesias
30 1f07fd1f Edgar E. Iglesias
void pic_info(Monitor *mon)
31 1f07fd1f Edgar E. Iglesias
{}
32 1f07fd1f Edgar E. Iglesias
void irq_info(Monitor *mon)
33 1f07fd1f Edgar E. Iglesias
{}
34 1f07fd1f Edgar E. Iglesias
35 1f07fd1f Edgar E. Iglesias
static void microblaze_pic_cpu_handler(void *opaque, int irq, int level)
36 1f07fd1f Edgar E. Iglesias
{
37 1f07fd1f Edgar E. Iglesias
    CPUState *env = (CPUState *)opaque;
38 1f07fd1f Edgar E. Iglesias
    int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
39 1f07fd1f Edgar E. Iglesias
40 1f07fd1f Edgar E. Iglesias
    if (level)
41 1f07fd1f Edgar E. Iglesias
        cpu_interrupt(env, type);
42 1f07fd1f Edgar E. Iglesias
    else
43 1f07fd1f Edgar E. Iglesias
        cpu_reset_interrupt(env, type);
44 1f07fd1f Edgar E. Iglesias
}
45 1f07fd1f Edgar E. Iglesias
46 1f07fd1f Edgar E. Iglesias
qemu_irq *microblaze_pic_init_cpu(CPUState *env);
47 1f07fd1f Edgar E. Iglesias
qemu_irq *microblaze_pic_init_cpu(CPUState *env)
48 1f07fd1f Edgar E. Iglesias
{
49 1f07fd1f Edgar E. Iglesias
    return qemu_allocate_irqs(microblaze_pic_cpu_handler, env, 2);
50 1f07fd1f Edgar E. Iglesias
}