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nubus: move NubusBus from mac-nubus-bridge to nubus-bridge

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Now that Nubus has its own address space rather than mapping directly into the
system bus, move the Nubus reference from MacNubusBridge to NubusBridge.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210924073808.1041-16-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2021-09-24 08:38:03 +01:00 committed by Laurent Vivier
parent f48d613484
commit 1fa04232db
5 changed files with 17 additions and 8 deletions
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2
hw/m68k/q800.c
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@ -398,7 +398,7 @@ static void q800_init(MachineState *machine)
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, NUBUS_SLOT_BASE +
MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE);
nubus = MAC_NUBUS_BRIDGE(dev)->bus;
nubus = NUBUS_BRIDGE(dev)->bus;
/* framebuffer in nubus slot #9 */

11
hw/nubus/mac-nubus-bridge.c
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@ -16,22 +16,21 @@
static void mac_nubus_bridge_init(Object *obj)
{
MacNubusBridge *s = MAC_NUBUS_BRIDGE(obj);
NubusBridge *nb = NUBUS_BRIDGE(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
s->bus = NUBUS_BUS(qbus_create(TYPE_NUBUS_BUS, DEVICE(s), NULL));
/* Macintosh only has slots 0x9 to 0xe available */
s->bus->slot_available_mask = MAKE_64BIT_MASK(MAC_NUBUS_FIRST_SLOT,
MAC_NUBUS_SLOT_NB);
nb->bus->slot_available_mask = MAKE_64BIT_MASK(MAC_NUBUS_FIRST_SLOT,
MAC_NUBUS_SLOT_NB);
/* Aliases for slots 0x9 to 0xe */
memory_region_init_alias(&s->super_slot_alias, obj, "super-slot-alias",
&s->bus->nubus_mr,
&nb->bus->nubus_mr,
MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE,
MAC_NUBUS_SLOT_NB * NUBUS_SUPER_SLOT_SIZE);
memory_region_init_alias(&s->slot_alias, obj, "slot-alias",
&s->bus->nubus_mr,
&nb->bus->nubus_mr,
NUBUS_SLOT_BASE +
MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE,
MAC_NUBUS_SLOT_NB * NUBUS_SLOT_SIZE);

9
hw/nubus/nubus-bridge.c
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@ -12,6 +12,14 @@
#include "hw/sysbus.h"
#include "hw/nubus/nubus.h"
static void nubus_bridge_init(Object *obj)
{
NubusBridge *s = NUBUS_BRIDGE(obj);
s->bus = NUBUS_BUS(qbus_create(TYPE_NUBUS_BUS, DEVICE(s), NULL));
}
static void nubus_bridge_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@ -22,6 +30,7 @@ static void nubus_bridge_class_init(ObjectClass *klass, void *data)
static const TypeInfo nubus_bridge_info = {
.name = TYPE_NUBUS_BRIDGE,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_init = nubus_bridge_init,
.instance_size = sizeof(NubusBridge),
.class_init = nubus_bridge_class_init,
};

1
include/hw/nubus/mac-nubus-bridge.h
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@ -22,7 +22,6 @@ OBJECT_DECLARE_SIMPLE_TYPE(MacNubusBridge, MAC_NUBUS_BRIDGE)
struct MacNubusBridge {
NubusBridge parent_obj;
NubusBus *bus;
MemoryRegion super_slot_alias;
MemoryRegion slot_alias;
};

2
include/hw/nubus/nubus.h
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@ -62,6 +62,8 @@ struct NubusDevice {
struct NubusBridge {
SysBusDevice parent_obj;
NubusBus *bus;
};
#endif