1 files changed, 15 insertions, 0 deletions
diff --git a/hw/irq.c b/hw/irq.c
index 7703f62c6c..4035a8cbff 100644
--- a/hw/irq.c
+++ b/hw/irq.c
@@ -75,3 +75,18 @@ qemu_irq qemu_irq_invert(qemu_irq irq)
     qemu_irq_raise(irq);
     return qemu_allocate_irqs(qemu_notirq, irq, 1)[0];
 }
+
+static void qemu_splitirq(void *opaque, int line, int level)
+{
+    struct IRQState **irq = opaque;
+    irq[0]->handler(irq[0]->opaque, irq[0]->n, level);
+    irq[1]->handler(irq[1]->opaque, irq[1]->n, level);
+}
+
+qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2)
+{
+    qemu_irq *s = qemu_mallocz(2 * sizeof(qemu_irq));
+    s[0] = irq1;
+    s[1] = irq2;
+    return qemu_allocate_irqs(qemu_splitirq, s, 1)[0];
+}