1 /* 2 * QEMU Macintosh Nubus 3 * 4 * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu> 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 * 9 */ 10 11 #include "qemu/osdep.h" 12 #include "hw/sysbus.h" 13 #include "hw/nubus/mac-nubus-bridge.h" 14 15 16 static void mac_nubus_bridge_init(Object *obj) 17 { 18 MacNubusBridge *s = MAC_NUBUS_BRIDGE(obj); 19 NubusBridge *nb = NUBUS_BRIDGE(obj); 20 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 21 NubusBus *bus = &nb->bus; 22 23 /* Macintosh only has slots 0x9 to 0xe available */ 24 bus->slot_available_mask = MAKE_64BIT_MASK(MAC_NUBUS_FIRST_SLOT, 25 MAC_NUBUS_SLOT_NB); 26 27 /* Aliases for slots 0x9 to 0xe */ 28 memory_region_init_alias(&s->super_slot_alias, obj, "super-slot-alias", 29 &bus->nubus_mr, 30 MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE, 31 MAC_NUBUS_SLOT_NB * NUBUS_SUPER_SLOT_SIZE); 32 33 memory_region_init_alias(&s->slot_alias, obj, "slot-alias", 34 &bus->nubus_mr, 35 NUBUS_SLOT_BASE + 36 MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE, 37 MAC_NUBUS_SLOT_NB * NUBUS_SLOT_SIZE); 38 39 sysbus_init_mmio(sbd, &s->super_slot_alias); 40 sysbus_init_mmio(sbd, &s->slot_alias); 41 } 42 43 static void mac_nubus_bridge_class_init(ObjectClass *klass, void *data) 44 { 45 DeviceClass *dc = DEVICE_CLASS(klass); 46 47 dc->desc = "Nubus bridge"; 48 } 49 50 static const TypeInfo mac_nubus_bridge_info = { 51 .name = TYPE_MAC_NUBUS_BRIDGE, 52 .parent = TYPE_NUBUS_BRIDGE, 53 .instance_init = mac_nubus_bridge_init, 54 .instance_size = sizeof(MacNubusBridge), 55 .class_init = mac_nubus_bridge_class_init, 56 }; 57 58 static void mac_nubus_bridge_register_types(void) 59 { 60 type_register_static(&mac_nubus_bridge_info); 61 } 62 63 type_init(mac_nubus_bridge_register_types) 64