void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus, MemoryRegion *address_space_io, bool bridges_enabled) { s->io_len = ACPI_PCIHP_SIZE; s->io_base = ACPI_PCIHP_ADDR; s->root= root_bus; s->legacy_piix = !bridges_enabled; if (s->legacy_piix) { unsigned *bus_bsel = g_malloc(sizeof *bus_bsel); s->io_len = ACPI_PCIHP_LEGACY_SIZE; *bus_bsel = ACPI_PCIHP_BSEL_DEFAULT; object_property_add_uint32_ptr(OBJECT(root_bus), ACPI_PCIHP_PROP_BSEL, bus_bsel, NULL); } memory_region_init_io(&s->io, owner, &acpi_pcihp_io_ops, s, "acpi-pci-hotplug", s->io_len); memory_region_add_subregion(address_space_io, s->io_base, &s->io); object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base, &error_abort); object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len, &error_abort); }