C++ (Cpp) platform_mmio_setup Beispiele

Beispiel #1

Datei: xen_platform.c Projekt: BernardXiong/qemu

static int xen_platform_initfn(PCIDevice *dev)
{
    PCIXenPlatformState *d = DO_UPCAST(PCIXenPlatformState, pci_dev, dev);
    uint8_t *pci_conf;

    pci_conf = d->pci_dev.config;

    pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY);

    pci_config_set_prog_interface(pci_conf, 0);

    pci_conf[PCI_INTERRUPT_PIN] = 1;

    platform_ioport_bar_setup(d);
    pci_register_bar(&d->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->bar);

    /* reserve 16MB mmio address for share memory*/
    platform_mmio_setup(d);
    pci_register_bar(&d->pci_dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
                     &d->mmio_bar);

    platform_fixed_ioport_init(d);

    return 0;
}

Beispiel #2

Datei: xen_platform.c Projekt: 32bitmicro/riscv-qemu

static void xen_platform_realize(PCIDevice *dev, Error **errp)
{
    PCIXenPlatformState *d = XEN_PLATFORM(dev);
    uint8_t *pci_conf;

    /* Device will crash on reset if xen is not initialized */
    if (!xen_enabled()) {
        error_setg(errp, "xen-platform device requires the Xen accelerator");
        return;
    }

    pci_conf = dev->config;

    pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY);

    pci_config_set_prog_interface(pci_conf, 0);

    pci_conf[PCI_INTERRUPT_PIN] = 1;

    platform_ioport_bar_setup(d);
    pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->bar);

    /* reserve 16MB mmio address for share memory*/
    platform_mmio_setup(d);
    pci_register_bar(dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
                     &d->mmio_bar);

    platform_fixed_ioport_init(d);
}