static int
nexus_xen_attach(device_t dev)
{
int error;
device_t acpi_dev = NULL;
nexus_init_resources();
bus_generic_probe(dev);
if (xen_initial_domain()) {
/* Disable some ACPI devices that are not usable by Dom0 */
acpi_cpu_disabled = true;
acpi_hpet_disabled = true;
acpi_timer_disabled = true;
acpi_dev = BUS_ADD_CHILD(dev, 10, "acpi", 0);
if (acpi_dev == NULL)
panic("Unable to add ACPI bus to Xen Dom0");
}
error = bus_generic_attach(dev);
if (xen_initial_domain() && (error == 0))
acpi_install_wakeup_handler(device_get_softc(acpi_dev));
return (error);
}
static int
nexus_acpi_attach(device_t dev)
{
nexus_init_resources();
bus_generic_probe(dev);
if (BUS_ADD_CHILD(dev, 10, "acpi", 0) == NULL)
panic("failed to add acpi0 device");
return (bus_generic_attach(dev));
}
static int
nexus_attach(device_t dev)
{
nexus_init_resources();
bus_generic_probe(dev);
/*
* Explicitly add the legacy0 device here. Other platform
* types (such as ACPI), use their own nexus(4) subclass
* driver to override this routine and add their own root bus.
*/
if (BUS_ADD_CHILD(dev, 10, "legacy", 0) == NULL)
panic("legacy: could not attach");
bus_generic_attach(dev);
return 0;
}
static int
nexus_acpi_attach(device_t dev)
{
device_t acpi_dev;
int error;
nexus_init_resources();
bus_generic_probe(dev);
acpi_dev = BUS_ADD_CHILD(dev, 10, "acpi", 0);
if (acpi_dev == NULL)
panic("failed to add acpi0 device");
error = bus_generic_attach(dev);
if (error == 0)
acpi_install_wakeup_handler(device_get_softc(acpi_dev));
return (error);
}