]> git.proxmox.com Git - mirror_qemu.git/blame - hw/irq.h
Refactor target specific handling, compile vl.c only once
[mirror_qemu.git] / hw / irq.h
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1#ifndef QEMU_IRQ_H
2#define QEMU_IRQ_H
3
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4/* Generic IRQ/GPIO pin infrastructure. */
5
87ecb68b 6/* FIXME: Rmove one of these. */
d537cf6c 7typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
87ecb68b 8typedef void SetIRQFunc(void *opaque, int irq_num, int level);
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9
10void qemu_set_irq(qemu_irq irq, int level);
11
12static inline void qemu_irq_raise(qemu_irq irq)
13{
14 qemu_set_irq(irq, 1);
15}
16
17static inline void qemu_irq_lower(qemu_irq irq)
18{
19 qemu_set_irq(irq, 0);
20}
21
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22static inline void qemu_irq_pulse(qemu_irq irq)
23{
24 qemu_set_irq(irq, 1);
25 qemu_set_irq(irq, 0);
26}
27
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28/* Returns an array of N IRQs. */
29qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);
51bf9e7e 30void qemu_free_irqs(qemu_irq *s);
d537cf6c 31
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32/* Returns a new IRQ with opposite polarity. */
33qemu_irq qemu_irq_invert(qemu_irq irq);
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34
35#endif