Signed-off-by: Andreas Färber <andreas.faer...@web.de>
---
hw/isa-bus.c | 14 ++++++++++++++
hw/isa.h | 1 +
2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index 1f64673..6ac3e61 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -80,6 +80,20 @@ void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq)
dev->nirqs++;
}
+void isa_discard_irq(ISADevice *dev, int isairq)
+{
+ int i, j;
+ for (i = 0; i < dev->nirqs; i++) {
+ if (dev->isairq[i] == isairq) {
+ for (j = i + 1; j < dev->nirqs; j++) {
+ dev->isairq[j - 1] = dev->isairq[j];
+ }
+ dev->nirqs--;
+ break;
+ }
+ }
+}
+
static void isa_init_ioport_one(ISADevice *dev, uint16_t ioport)
{
assert(dev->nioports < ARRAY_SIZE(dev->ioports));
diff --git a/hw/isa.h b/hw/isa.h
index ba7a696..46b35f3 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -31,6 +31,7 @@ ISABus *isa_bus_new(DeviceState *dev);
void isa_bus_irqs(qemu_irq *irqs);
qemu_irq isa_get_irq(int isairq);
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
+void isa_discard_irq(ISADevice *dev, int isairq);
void isa_init_ioport(ISADevice *dev, uint16_t ioport);
void isa_init_ioport_range(ISADevice *dev, uint16_t start, uint16_t length);
void isa_discard_ioport_range(ISADevice *dev, uint16_t start, uint16_t length);
--
1.7.5.3
