Statistics
| Branch: | Revision:

root / hw / cris_pic_cpu.c @ 17786d52

History | View | Annotate | Download (1.7 kB)

1 fd6dc90b Edgar E. Iglesias
/*
2 fd6dc90b Edgar E. Iglesias
 * QEMU CRIS CPU interrupt wrapper logic.
3 fd6dc90b Edgar E. Iglesias
 *
4 fd6dc90b Edgar E. Iglesias
 * Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
5 fd6dc90b Edgar E. Iglesias
 *
6 fd6dc90b Edgar E. Iglesias
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 fd6dc90b Edgar E. Iglesias
 * of this software and associated documentation files (the "Software"), to deal
8 fd6dc90b Edgar E. Iglesias
 * in the Software without restriction, including without limitation the rights
9 fd6dc90b Edgar E. Iglesias
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 fd6dc90b Edgar E. Iglesias
 * copies of the Software, and to permit persons to whom the Software is
11 fd6dc90b Edgar E. Iglesias
 * furnished to do so, subject to the following conditions:
12 fd6dc90b Edgar E. Iglesias
 *
13 fd6dc90b Edgar E. Iglesias
 * The above copyright notice and this permission notice shall be included in
14 fd6dc90b Edgar E. Iglesias
 * all copies or substantial portions of the Software.
15 fd6dc90b Edgar E. Iglesias
 *
16 fd6dc90b Edgar E. Iglesias
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 fd6dc90b Edgar E. Iglesias
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 fd6dc90b Edgar E. Iglesias
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 fd6dc90b Edgar E. Iglesias
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 fd6dc90b Edgar E. Iglesias
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 fd6dc90b Edgar E. Iglesias
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 fd6dc90b Edgar E. Iglesias
 * THE SOFTWARE.
23 fd6dc90b Edgar E. Iglesias
 */
24 fd6dc90b Edgar E. Iglesias
25 fd6dc90b Edgar E. Iglesias
#include "hw.h"
26 fd6dc90b Edgar E. Iglesias
#include "pc.h"
27 fd6dc90b Edgar E. Iglesias
#include "etraxfs.h"
28 fd6dc90b Edgar E. Iglesias
29 fd6dc90b Edgar E. Iglesias
#define D(x)
30 fd6dc90b Edgar E. Iglesias
31 fd6dc90b Edgar E. Iglesias
void pic_info(Monitor *mon)
32 fd6dc90b Edgar E. Iglesias
{}
33 fd6dc90b Edgar E. Iglesias
void irq_info(Monitor *mon)
34 fd6dc90b Edgar E. Iglesias
{}
35 fd6dc90b Edgar E. Iglesias
36 fd6dc90b Edgar E. Iglesias
static void cris_pic_cpu_handler(void *opaque, int irq, int level)
37 fd6dc90b Edgar E. Iglesias
{
38 fd6dc90b Edgar E. Iglesias
    CPUState *env = (CPUState *)opaque;
39 fd6dc90b Edgar E. Iglesias
    int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
40 fd6dc90b Edgar E. Iglesias
41 fd6dc90b Edgar E. Iglesias
    if (level)
42 fd6dc90b Edgar E. Iglesias
        cpu_interrupt(env, type);
43 fd6dc90b Edgar E. Iglesias
    else
44 fd6dc90b Edgar E. Iglesias
        cpu_reset_interrupt(env, type);
45 fd6dc90b Edgar E. Iglesias
}
46 fd6dc90b Edgar E. Iglesias
47 fd6dc90b Edgar E. Iglesias
qemu_irq *cris_pic_init_cpu(CPUState *env)
48 fd6dc90b Edgar E. Iglesias
{
49 fd6dc90b Edgar E. Iglesias
    return qemu_allocate_irqs(cris_pic_cpu_handler, env, 2);
50 fd6dc90b Edgar E. Iglesias
}