diff options
Diffstat (limited to 'hw/irq.h')
| -rw-r--r-- | hw/irq.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/irq.h b/hw/irq.h new file mode 100644 index 0000000000..652fd6abeb --- /dev/null +++ b/hw/irq.h @@ -0,0 +1,21 @@ +/* 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); + |