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microblaze: Add CPU interrupt wrapper logic.

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Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2009-05-20 20:08:59 +02:00
parent afeeceb0d7
commit 1f07fd1f85
1 changed files with 50 additions and 0 deletions
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hw/microblaze_pic_cpu.c Normal file
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/*
* QEMU MicroBlaze CPU interrupt wrapper logic.
*
* Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "hw.h"
#include "pc.h"
#define D(x)
void pic_info(Monitor *mon)
{}
void irq_info(Monitor *mon)
{}
static void microblaze_pic_cpu_handler(void *opaque, int irq, int level)
{
CPUState *env = (CPUState *)opaque;
int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
if (level)
cpu_interrupt(env, type);
else
cpu_reset_interrupt(env, type);
}
qemu_irq *microblaze_pic_init_cpu(CPUState *env);
qemu_irq *microblaze_pic_init_cpu(CPUState *env)
{
return qemu_allocate_irqs(microblaze_pic_cpu_handler, env, 2);
}