static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) { PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev); SerialState *s; Error *err = NULL; int i; switch (pc->device_id) { case 0x0003: pci->ports = 2; break; case 0x0004: pci->ports = 4; break; } assert(pci->ports > 0); assert(pci->ports <= PCI_SERIAL_MAX_PORTS); pci->dev.config[PCI_CLASS_PROG] = pci->prog_if; pci->dev.config[PCI_INTERRUPT_PIN] = 0x01; memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * pci->ports); pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar); pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci, pci->ports); for (i = 0; i < pci->ports; i++) { s = pci->state + i; s->baudbase = 115200; serial_realize_core(s, &err); if (err != NULL) { error_propagate(errp, err); return; } s->irq = pci->irqs[i]; pci->name[i] = g_strdup_printf("uart #%d", i+1); memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, pci->name[i], 8); memory_region_add_subregion(&pci->iobar, 8 * i, &s->io); } }