Revision db895a1e hw/char/parallel.c
| b/hw/char/parallel.c | ||
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| 477 | 477 |
PORTIO_END_OF_LIST(), |
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}; |
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static int parallel_isa_initfn(ISADevice *dev)
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static void parallel_isa_realizefn(DeviceState *dev, Error **errp)
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{
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static int index; |
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ISADevice *isadev = ISA_DEVICE(dev); |
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ISAParallelState *isa = ISA_PARALLEL(dev); |
| 484 | 485 |
ParallelState *s = &isa->state; |
| 485 | 486 |
int base; |
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uint8_t dummy; |
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if (!s->chr) {
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fprintf(stderr, "Can't create parallel device, empty char device\n");
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exit(1);
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error_setg(errp, "Can't create parallel device, empty char device");
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return;
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} |
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if (isa->index == -1) |
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if (isa->index == -1) {
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isa->index = index; |
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if (isa->index >= MAX_PARALLEL_PORTS) |
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return -1; |
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if (isa->iobase == -1) |
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} |
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if (isa->index >= MAX_PARALLEL_PORTS) {
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error_setg(errp, "Max. supported number of parallel ports is %d.", |
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MAX_PARALLEL_PORTS); |
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return; |
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} |
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if (isa->iobase == -1) {
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isa->iobase = isa_parallel_io[isa->index]; |
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} |
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index++; |
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base = isa->iobase; |
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isa_init_irq(dev, &s->irq, isa->isairq); |
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isa_init_irq(isadev, &s->irq, isa->isairq);
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qemu_register_reset(parallel_reset, s); |
| 504 | 510 |
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| 505 | 511 |
if (qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) {
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| ... | ... | |
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s->status = dummy; |
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} |
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isa_register_portio_list(dev, base, |
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isa_register_portio_list(isadev, base,
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(s->hw_driver |
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? &isa_parallel_portio_hw_list[0] |
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: &isa_parallel_portio_sw_list[0]), |
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s, "parallel"); |
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return 0; |
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} |
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/* Memory mapped interface */ |
| ... | ... | |
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static void parallel_isa_class_initfn(ObjectClass *klass, void *data) |
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{
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DeviceClass *dc = DEVICE_CLASS(klass); |
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ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); |
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ic->init = parallel_isa_initfn;
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dc->realize = parallel_isa_realizefn;
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dc->props = parallel_isa_properties; |
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} |
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