static void parallel_isa_realizefn(DeviceState *dev, Error **errp) { static int index; ISADevice *isadev = ISA_DEVICE(dev); ISAParallelState *isa = ISA_PARALLEL(dev); ParallelState *s = &isa->state; int base; uint8_t dummy; if (!s->chr) { error_setg(errp, "Can't create parallel device, empty char device"); return; } if (isa->index == -1) { isa->index = index; } if (isa->index >= MAX_PARALLEL_PORTS) { error_setg(errp, "Max. supported number of parallel ports is %d.", MAX_PARALLEL_PORTS); return; } if (isa->iobase == -1) { isa->iobase = isa_parallel_io[isa->index]; } index++; base = isa->iobase; isa_init_irq(isadev, &s->irq, isa->isairq); qemu_register_reset(parallel_reset, s); if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) { s->hw_driver = 1; s->status = dummy; } isa_register_portio_list(isadev, base, (s->hw_driver ? &isa_parallel_portio_hw_list[0] : &isa_parallel_portio_sw_list[0]), s, "parallel"); }
static int parallel_isa_initfn(ISADevice *dev) { static int index; ISAParallelState *isa = ISA_PARALLEL(dev); ParallelState *s = &isa->state; int base; uint8_t dummy; if (!s->chr) { fprintf(stderr, "Can't create parallel device, empty char device\n"); exit(1); } if (isa->index == -1) isa->index = index; if (isa->index >= MAX_PARALLEL_PORTS) return -1; if (isa->iobase == -1) isa->iobase = isa_parallel_io[isa->index]; index++; base = isa->iobase; isa_init_irq(dev, &s->irq, isa->isairq); qemu_register_reset(parallel_reset, s); if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) { s->hw_driver = 1; s->status = dummy; } isa_register_portio_list(dev, base, (s->hw_driver ? &isa_parallel_portio_hw_list[0] : &isa_parallel_portio_sw_list[0]), s, "parallel"); return 0; }