64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*
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* QEMU Macintosh Nubus
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*
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* Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "hw/sysbus.h"
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#include "hw/nubus/mac-nubus-bridge.h"
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static void mac_nubus_bridge_init(Object *obj)
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{
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MacNubusBridge *s = MAC_NUBUS_BRIDGE(obj);
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NubusBridge *nb = NUBUS_BRIDGE(obj);
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SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
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NubusBus *bus = &nb->bus;
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/* Macintosh only has slots 0x9 to 0xe available */
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bus->slot_available_mask = MAKE_64BIT_MASK(MAC_NUBUS_FIRST_SLOT,
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MAC_NUBUS_SLOT_NB);
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/* Aliases for slots 0x9 to 0xe */
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memory_region_init_alias(&s->super_slot_alias, obj, "super-slot-alias",
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&bus->nubus_mr,
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MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE,
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MAC_NUBUS_SLOT_NB * NUBUS_SUPER_SLOT_SIZE);
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memory_region_init_alias(&s->slot_alias, obj, "slot-alias",
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&bus->nubus_mr,
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NUBUS_SLOT_BASE +
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MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE,
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MAC_NUBUS_SLOT_NB * NUBUS_SLOT_SIZE);
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sysbus_init_mmio(sbd, &s->super_slot_alias);
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sysbus_init_mmio(sbd, &s->slot_alias);
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}
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static void mac_nubus_bridge_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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dc->desc = "Nubus bridge";
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}
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static const TypeInfo mac_nubus_bridge_info = {
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.name = TYPE_MAC_NUBUS_BRIDGE,
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.parent = TYPE_NUBUS_BRIDGE,
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.instance_init = mac_nubus_bridge_init,
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.instance_size = sizeof(MacNubusBridge),
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.class_init = mac_nubus_bridge_class_init,
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};
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static void mac_nubus_bridge_register_types(void)
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{
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type_register_static(&mac_nubus_bridge_info);
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}
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type_init(mac_nubus_bridge_register_types)
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