Archipelago » qemu

static target_phys_addr_t pci_to_cpu_addr(target_phys_addr_t addr)

{

    return addr + pci_mem_base;

}

static void pci_unregister_io_regions(PCIDevice *pci_dev)

{

    PCIIORegion *r;

    int i;

    for(i = 0; i < PCI_NUM_REGIONS; i++) {

        r = &pci_dev->io_regions[i];

        if (!r->size || r->addr == -1)

            continue;

        if (r->type == PCI_ADDRESS_SPACE_IO) {

            isa_unassign_ioport(r->addr, r->size);

        } else {

            cpu_register_physical_memory(pci_to_cpu_addr(r->addr),

                                                     r->size,

                                                     IO_MEM_UNASSIGNED);

        }

    }

}

int pci_unregister_device(PCIDevice *pci_dev)

{

    int ret = 0;

    if (pci_dev->unregister)

        ret = pci_dev->unregister(pci_dev);

    if (ret)

        return ret;

    pci_unregister_io_regions(pci_dev);

    qemu_free_irqs(pci_dev->irq);

    pci_irq_index--;

    pci_dev->bus->devices[pci_dev->devfn] = NULL;

    qemu_free(pci_dev);

    return 0;

}