root / hw / cris_pic_cpu.c @ 6f3a7798
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1 | fd6dc90b | Edgar E. Iglesias | /*
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2 | fd6dc90b | Edgar E. Iglesias | * QEMU CRIS CPU interrupt wrapper logic.
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3 | fd6dc90b | Edgar E. Iglesias | *
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4 | fd6dc90b | Edgar E. Iglesias | * Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
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5 | fd6dc90b | Edgar E. Iglesias | *
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6 | fd6dc90b | Edgar E. Iglesias | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | fd6dc90b | Edgar E. Iglesias | * of this software and associated documentation files (the "Software"), to deal
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8 | fd6dc90b | Edgar E. Iglesias | * in the Software without restriction, including without limitation the rights
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9 | fd6dc90b | Edgar E. Iglesias | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | fd6dc90b | Edgar E. Iglesias | * copies of the Software, and to permit persons to whom the Software is
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11 | fd6dc90b | Edgar E. Iglesias | * furnished to do so, subject to the following conditions:
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12 | fd6dc90b | Edgar E. Iglesias | *
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13 | fd6dc90b | Edgar E. Iglesias | * The above copyright notice and this permission notice shall be included in
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14 | fd6dc90b | Edgar E. Iglesias | * all copies or substantial portions of the Software.
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15 | fd6dc90b | Edgar E. Iglesias | *
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16 | fd6dc90b | Edgar E. Iglesias | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | fd6dc90b | Edgar E. Iglesias | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | fd6dc90b | Edgar E. Iglesias | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | fd6dc90b | Edgar E. Iglesias | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | fd6dc90b | Edgar E. Iglesias | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | fd6dc90b | Edgar E. Iglesias | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | fd6dc90b | Edgar E. Iglesias | * THE SOFTWARE.
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23 | fd6dc90b | Edgar E. Iglesias | */
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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)
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30 | fd6dc90b | Edgar E. Iglesias | |
31 | fd6dc90b | Edgar E. Iglesias | void pic_info(Monitor *mon)
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32 | fd6dc90b | Edgar E. Iglesias | {} |
33 | fd6dc90b | Edgar E. Iglesias | void irq_info(Monitor *mon)
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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;
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40 | fd6dc90b | Edgar E. Iglesias | |
41 | fd6dc90b | Edgar E. Iglesias | if (level)
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42 | fd6dc90b | Edgar E. Iglesias | cpu_interrupt(env, type); |
43 | fd6dc90b | Edgar E. Iglesias | else
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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 | } |