Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2022-01-27-v2' into staging
[qemu.git] / hw / nubus / mac-nubus-bridge.c
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)