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hw/m68k: add Nubus support

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This patch adds basic support for the NuBus bus. This is used by 680x0
Macintosh.

Co-developed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20191026164546.30020-8-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2019-10-26 18:45:42 +02:00
parent 87a34e2adb
commit fa2ba3b80e
12 changed files with 509 additions and 0 deletions
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45
hw/nubus/mac-nubus-bridge.c Normal file
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/*
* Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "hw/sysbus.h"
#include "hw/nubus/mac-nubus-bridge.h"
static void mac_nubus_bridge_init(Object *obj)
{
MacNubusState *s = MAC_NUBUS_BRIDGE(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
s->bus = NUBUS_BUS(qbus_create(TYPE_NUBUS_BUS, DEVICE(s), NULL));
sysbus_init_mmio(sbd, &s->bus->super_slot_io);
sysbus_init_mmio(sbd, &s->bus->slot_io);
}
static void mac_nubus_bridge_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->desc = "Nubus bridge";
}
static const TypeInfo mac_nubus_bridge_info = {
.name = TYPE_MAC_NUBUS_BRIDGE,
.parent = TYPE_NUBUS_BRIDGE,
.instance_init = mac_nubus_bridge_init,
.instance_size = sizeof(MacNubusState),
.class_init = mac_nubus_bridge_class_init,
};
static void mac_nubus_bridge_register_types(void)
{
type_register_static(&mac_nubus_bridge_info);
}
type_init(mac_nubus_bridge_register_types)