root / hw / microblaze_pic_cpu.c @ b4b784fe
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1 | 1f07fd1f | Edgar E. Iglesias | /*
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2 | 1f07fd1f | Edgar E. Iglesias | * QEMU MicroBlaze CPU interrupt wrapper logic.
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3 | 1f07fd1f | Edgar E. Iglesias | *
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4 | 1f07fd1f | Edgar E. Iglesias | * Copyright (c) 2009 Edgar E. Iglesias, Axis Communications AB.
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5 | 1f07fd1f | Edgar E. Iglesias | *
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6 | 1f07fd1f | Edgar E. Iglesias | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 1f07fd1f | Edgar E. Iglesias | * of this software and associated documentation files (the "Software"), to deal
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8 | 1f07fd1f | Edgar E. Iglesias | * in the Software without restriction, including without limitation the rights
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9 | 1f07fd1f | Edgar E. Iglesias | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 1f07fd1f | Edgar E. Iglesias | * copies of the Software, and to permit persons to whom the Software is
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11 | 1f07fd1f | Edgar E. Iglesias | * furnished to do so, subject to the following conditions:
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12 | 1f07fd1f | Edgar E. Iglesias | *
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13 | 1f07fd1f | Edgar E. Iglesias | * The above copyright notice and this permission notice shall be included in
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14 | 1f07fd1f | Edgar E. Iglesias | * all copies or substantial portions of the Software.
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15 | 1f07fd1f | Edgar E. Iglesias | *
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16 | 1f07fd1f | Edgar E. Iglesias | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 1f07fd1f | Edgar E. Iglesias | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 1f07fd1f | Edgar E. Iglesias | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 1f07fd1f | Edgar E. Iglesias | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 1f07fd1f | Edgar E. Iglesias | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 1f07fd1f | Edgar E. Iglesias | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 1f07fd1f | Edgar E. Iglesias | * THE SOFTWARE.
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23 | 1f07fd1f | Edgar E. Iglesias | */
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24 | 1f07fd1f | Edgar E. Iglesias | |
25 | 1f07fd1f | Edgar E. Iglesias | #include "hw.h" |
26 | 1f07fd1f | Edgar E. Iglesias | #include "pc.h" |
27 | 1f07fd1f | Edgar E. Iglesias | |
28 | 1f07fd1f | Edgar E. Iglesias | #define D(x)
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29 | 1f07fd1f | Edgar E. Iglesias | |
30 | 1f07fd1f | Edgar E. Iglesias | void pic_info(Monitor *mon)
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31 | 1f07fd1f | Edgar E. Iglesias | {} |
32 | 1f07fd1f | Edgar E. Iglesias | void irq_info(Monitor *mon)
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33 | 1f07fd1f | Edgar E. Iglesias | {} |
34 | 1f07fd1f | Edgar E. Iglesias | |
35 | 1f07fd1f | Edgar E. Iglesias | static void microblaze_pic_cpu_handler(void *opaque, int irq, int level) |
36 | 1f07fd1f | Edgar E. Iglesias | { |
37 | 1f07fd1f | Edgar E. Iglesias | CPUState *env = (CPUState *)opaque; |
38 | 1f07fd1f | Edgar E. Iglesias | int type = irq ? CPU_INTERRUPT_NMI : CPU_INTERRUPT_HARD;
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39 | 1f07fd1f | Edgar E. Iglesias | |
40 | 1f07fd1f | Edgar E. Iglesias | if (level)
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41 | 1f07fd1f | Edgar E. Iglesias | cpu_interrupt(env, type); |
42 | 1f07fd1f | Edgar E. Iglesias | else
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43 | 1f07fd1f | Edgar E. Iglesias | cpu_reset_interrupt(env, type); |
44 | 1f07fd1f | Edgar E. Iglesias | } |
45 | 1f07fd1f | Edgar E. Iglesias | |
46 | 1f07fd1f | Edgar E. Iglesias | qemu_irq *microblaze_pic_init_cpu(CPUState *env); |
47 | 1f07fd1f | Edgar E. Iglesias | qemu_irq *microblaze_pic_init_cpu(CPUState *env) |
48 | 1f07fd1f | Edgar E. Iglesias | { |
49 | 1f07fd1f | Edgar E. Iglesias | return qemu_allocate_irqs(microblaze_pic_cpu_handler, env, 2); |
50 | 1f07fd1f | Edgar E. Iglesias | } |