51bf9e7e18
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6602 c046a42c-6fe2-441c-8c8c-71466251a162
36 lines
800 B
C
36 lines
800 B
C
#ifndef QEMU_IRQ_H
|
|
#define QEMU_IRQ_H
|
|
|
|
/* Generic IRQ/GPIO pin infrastructure. */
|
|
|
|
/* FIXME: Rmove one of these. */
|
|
typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
|
|
typedef void SetIRQFunc(void *opaque, int irq_num, int level);
|
|
|
|
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);
|
|
}
|
|
|
|
static inline void qemu_irq_pulse(qemu_irq irq)
|
|
{
|
|
qemu_set_irq(irq, 1);
|
|
qemu_set_irq(irq, 0);
|
|
}
|
|
|
|
/* Returns an array of N IRQs. */
|
|
qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);
|
|
void qemu_free_irqs(qemu_irq *s);
|
|
|
|
/* Returns a new IRQ with opposite polarity. */
|
|
qemu_irq qemu_irq_invert(qemu_irq irq);
|
|
|
|
#endif
|