root / hw / cris_pic_cpu.c @ f6dc18df
History | View | Annotate | Download (1.7 kB)
1 |
/*
|
---|---|
2 |
* QEMU CRIS CPU interrupt wrapper logic.
|
3 |
*
|
4 |
* Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
|
5 |
*
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
8 |
* in the Software without restriction, including without limitation the rights
|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
11 |
* furnished to do so, subject to the following conditions:
|
12 |
*
|
13 |
* The above copyright notice and this permission notice shall be included in
|
14 |
* all copies or substantial portions of the Software.
|
15 |
*
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 |
* THE SOFTWARE.
|
23 |
*/
|
24 |
|
25 |
#include "hw.h" |
26 |
#include "pc.h" |
27 |
#include "etraxfs.h" |
28 |
|
29 |
#define D(x)
|
30 |
|
31 |
void pic_info(Monitor *mon)
|
32 |
{} |
33 |
void irq_info(Monitor *mon)
|
34 |
{} |
35 |
|
36 |
static void cris_pic_cpu_handler(void *opaque, int irq, int level) |
37 |
{ |
38 |
CPUState *env = (CPUState *)opaque; |
39 |
int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
|
40 |
|
41 |
if (level)
|
42 |
cpu_interrupt(env, type); |
43 |
else
|
44 |
cpu_reset_interrupt(env, type); |
45 |
} |
46 |
|
47 |
qemu_irq *cris_pic_init_cpu(CPUState *env) |
48 |
{ |
49 |
return qemu_allocate_irqs(cris_pic_cpu_handler, env, 2); |
50 |
} |