diff options
Diffstat (limited to 'hw/isa-bus.c')
| -rw-r--r-- | hw/isa-bus.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/hw/isa-bus.c b/hw/isa-bus.c index 6f349a574a..d07aa410f7 100644 --- a/hw/isa-bus.c +++ b/hw/isa-bus.c @@ -25,7 +25,6 @@ struct ISABus { BusState qbus; qemu_irq *irqs; - uint32_t assigned; }; static ISABus *isabus; target_phys_addr_t isa_mem_base = 0; @@ -61,33 +60,24 @@ void isa_bus_irqs(qemu_irq *irqs) } /* - * isa_reserve_irq() reserves the ISA irq and returns the corresponding - * qemu_irq entry for the i8259. + * isa_get_irq() returns the corresponding qemu_irq entry for the i8259. * * This function is only for special cases such as the 'ferr', and * temporary use for normal devices until they are converted to qdev. */ -qemu_irq isa_reserve_irq(int isairq) +qemu_irq isa_get_irq(int isairq) { if (isairq < 0 || isairq > 15) { hw_error("isa irq %d invalid", isairq); } - if (isabus->assigned & (1 << isairq)) { - hw_error("isa irq %d already assigned", isairq); - } - isabus->assigned |= (1 << isairq); return isabus->irqs[isairq]; } void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq) { assert(dev->nirqs < ARRAY_SIZE(dev->isairq)); - if (isabus->assigned & (1 << isairq)) { - hw_error("isa irq %d already assigned", isairq); - } - isabus->assigned |= (1 << isairq); dev->isairq[dev->nirqs] = isairq; - *p = isabus->irqs[isairq]; + *p = isa_get_irq(isairq); dev->nirqs++; } |