mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
b50a6563d8
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3485 c046a42c-6fe2-441c-8c8c-71466251a162
24 lines
553 B
C
24 lines
553 B
C
/* 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);
|
|
|
|
/* Returns a new IRQ with opposite polarity. */
|
|
qemu_irq qemu_irq_invert(qemu_irq irq);
|