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1 #ifndef QEMU_IRQ_H |
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2 #define QEMU_IRQ_H |
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3 |
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4 /* Generic IRQ/GPIO pin infrastructure. */ |
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5 |
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6 /* FIXME: Rmove one of these. */ |
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7 typedef void (*qemu_irq_handler)(void *opaque, int n, int level); |
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8 typedef void SetIRQFunc(void *opaque, int irq_num, int level); |
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9 |
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10 void qemu_set_irq(qemu_irq irq, int level); |
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11 |
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12 static inline void qemu_irq_raise(qemu_irq irq) |
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13 { |
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14 qemu_set_irq(irq, 1); |
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15 } |
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16 |
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17 static inline void qemu_irq_lower(qemu_irq irq) |
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18 { |
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19 qemu_set_irq(irq, 0); |
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20 } |
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21 |
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22 static inline void qemu_irq_pulse(qemu_irq irq) |
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23 { |
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24 qemu_set_irq(irq, 1); |
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25 qemu_set_irq(irq, 0); |
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26 } |
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27 |
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28 /* Returns an array of N IRQs. */ |
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29 qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n); |
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30 |
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31 /* Returns a new IRQ with opposite polarity. */ |
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32 qemu_irq qemu_irq_invert(qemu_irq irq); |
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33 |
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34 #endif |