C++ (Cpp) pcie_host_mmcfg_init 예제들

예제 #1

파일: pcie_host.c 프로젝트: 01org/qemu-lite

void pcie_host_mmcfg_map(PCIExpressHost *e, hwaddr addr,
                         uint32_t size)
{
    pcie_host_mmcfg_init(e, size);
    e->base_addr = addr;
    memory_region_add_subregion(get_system_memory(), e->base_addr, &e->mmio);
}

예제 #2

파일: xilinx-pcie.c 프로젝트: CTU-IIG/qemu

static void xilinx_pcie_host_realize(DeviceState *dev, Error **errp)
{
    PCIHostState *pci = PCI_HOST_BRIDGE(dev);
    XilinxPCIEHost *s = XILINX_PCIE_HOST(dev);
    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
    PCIExpressHost *pex = PCIE_HOST_BRIDGE(dev);

    snprintf(s->name, sizeof(s->name), "pcie%u", s->bus_nr);

    /* PCI configuration space */
    pcie_host_mmcfg_init(pex, s->cfg_size);

    /* MMIO region */
    memory_region_init(&s->mmio, OBJECT(s), "mmio", UINT64_MAX);
    memory_region_set_enabled(&s->mmio, false);

    /* dummy PCI I/O region (not visible to the CPU) */
    memory_region_init(&s->io, OBJECT(s), "io", 16);

    /* interrupt out */
    qdev_init_gpio_out_named(dev, &s->irq, "interrupt_out", 1);

    sysbus_init_mmio(sbd, &pex->mmio);
    sysbus_init_mmio(sbd, &s->mmio);

    pci->bus = pci_register_root_bus(dev, s->name, xilinx_pcie_set_irq,
                                     pci_swizzle_map_irq_fn, s, &s->mmio,
                                     &s->io, 0, 4, TYPE_PCIE_BUS);

    qdev_set_parent_bus(DEVICE(&s->root), BUS(pci->bus));
    qdev_init_nofail(DEVICE(&s->root));
}