diff options
| -rw-r--r-- | hw/core/irq.c | 16 | ||||
| -rw-r--r-- | include/hw/irq.h | 7 |
2 files changed, 23 insertions, 0 deletions
diff --git a/hw/core/irq.c b/hw/core/irq.c index 20785428ef..03c8cb31ea 100644 --- a/hw/core/irq.c +++ b/hw/core/irq.c @@ -68,6 +68,17 @@ qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n) return qemu_extend_irqs(NULL, 0, handler, opaque, n); } +qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void *opaque, int n) +{ + struct IRQState *irq; + + irq = g_new(struct IRQState, 1); + irq->handler = handler; + irq->opaque = opaque; + irq->n = n; + + return irq; +} void qemu_free_irqs(qemu_irq *s) { @@ -75,6 +86,11 @@ void qemu_free_irqs(qemu_irq *s) g_free(s); } +void qemu_free_irq(qemu_irq irq) +{ + g_free(irq); +} + static void qemu_notirq(void *opaque, int line, int level) { struct IRQState *irq = opaque; diff --git a/include/hw/irq.h b/include/hw/irq.h index 610e6b7623..d08bc02a0d 100644 --- a/include/hw/irq.h +++ b/include/hw/irq.h @@ -30,6 +30,12 @@ static inline void qemu_irq_pulse(qemu_irq irq) */ qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n); +/* + * Allocates a single IRQ. The irq is assigned with a handler, an opaque + * data and the interrupt number. + */ +qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void *opaque, int n); + /* Extends an Array of IRQs. Old IRQs have their handlers and opaque data * preserved. New IRQs are assigned the argument handler and opaque data. */ @@ -37,6 +43,7 @@ qemu_irq *qemu_extend_irqs(qemu_irq *old, int n_old, qemu_irq_handler handler, void *opaque, int n); void qemu_free_irqs(qemu_irq *s); +void qemu_free_irq(qemu_irq irq); /* Returns a new IRQ with opposite polarity. */ qemu_irq qemu_irq_invert(qemu_irq irq); |