qemu-e2k/hw/irq.h

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/* Generic IRQ/GPIO pin infrastructure. */
typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
typedef struct IRQState *qemu_irq;
void qemu_set_irq(qemu_irq irq, int level);
static inline void qemu_irq_raise(qemu_irq irq)
{
qemu_set_irq(irq, 1);
}
static inline void qemu_irq_lower(qemu_irq irq)
{
qemu_set_irq(irq, 0);
}
/* Returns an array of N IRQs. */
qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);