diff options
| -rw-r--r-- | hw/isa/isa-bus.c | 14 | ||||
| -rw-r--r-- | include/hw/isa/isa.h | 8 |
2 files changed, 18 insertions, 4 deletions
diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c index 80d8fb4c5b..a289eccfb1 100644 --- a/hw/isa/isa-bus.c +++ b/hw/isa/isa-bus.c @@ -72,6 +72,13 @@ void isa_bus_register_input_irqs(ISABus *bus, qemu_irq *irqs_in) bus->irqs_in = irqs_in; } +qemu_irq isa_bus_get_irq(ISABus *bus, unsigned irqnum) +{ + assert(irqnum < ISA_NUM_IRQS); + assert(bus->irqs_in); + return bus->irqs_in[irqnum]; +} + /* * isa_get_irq() returns the corresponding input qemu_irq entry for the i8259. * @@ -81,14 +88,13 @@ void isa_bus_register_input_irqs(ISABus *bus, qemu_irq *irqs_in) qemu_irq isa_get_irq(ISADevice *dev, unsigned isairq) { assert(!dev || ISA_BUS(qdev_get_parent_bus(DEVICE(dev))) == isabus); - assert(isairq < ISA_NUM_IRQS); - return isabus->irqs_in[isairq]; + return isa_bus_get_irq(isabus, isairq); } void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, unsigned isairq) { - qemu_irq irq = isa_get_irq(isadev, isairq); - qdev_connect_gpio_out(DEVICE(isadev), gpioirq, irq); + qemu_irq input_irq = isa_get_irq(isadev, isairq); + qdev_connect_gpio_out(DEVICE(isadev), gpioirq, input_irq); } void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16) diff --git a/include/hw/isa/isa.h b/include/hw/isa/isa.h index 3a60f6afa6..40d6224a4e 100644 --- a/include/hw/isa/isa.h +++ b/include/hw/isa/isa.h @@ -72,6 +72,14 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space, void isa_bus_register_input_irqs(ISABus *bus, qemu_irq *irqs_in); void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16); IsaDma *isa_bus_get_dma(ISABus *bus, int nchan); +/** + * isa_bus_get_irq: Return input IRQ on ISA bus. + * @bus: the #ISABus to plug ISA devices on. + * @irqnum: the ISA IRQ number. + * + * Return IRQ @irqnum from the PIC associated on ISA @bus. + */ +qemu_irq isa_bus_get_irq(ISABus *bus, unsigned irqnum); ISADevice *isa_new(const char *name); ISADevice *isa_try_new(const char *name); bool isa_realize_and_unref(ISADevice *dev, ISABus *bus, Error **errp); |