48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* QEMU CRIS CPU interrupt wrapper logic.
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*
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* Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/sysbus.h"
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#include "hw/hw.h"
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#include "hw/cris/etraxfs.h"
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#define D(x)
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static void cris_pic_cpu_handler(void *opaque, int irq, int level)
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{
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CRISCPU *cpu = opaque;
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CPUState *cs = CPU(cpu);
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int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
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if (level) {
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cpu_interrupt(cs, type);
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} else {
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cpu_reset_interrupt(cs, type);
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}
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}
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qemu_irq *cris_pic_init_cpu(CPUCRISState *env)
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{
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return qemu_allocate_irqs(cris_pic_cpu_handler, cris_env_get_cpu(env), 2);
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}
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