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

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>

diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
index a07912b87ca3fbfe8a63a6503fe037069da605b8..9bdea1a362975a0a377e3b94380f29138b6b4d61 100644 (file)
--- a/hw/m68k/q800.c
+++ b/hw/m68k/q800.c
@@ -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 */
 

diff --git a/hw/nubus/mac-nubus-bridge.c b/hw/nubus/mac-nubus-bridge.c
index e241c581b5758d7d3eb5597731378ea0ec318e61..db8640eed262d23a2b390af9c3a1ddddb0afca44 100644 (file)
--- a/hw/nubus/mac-nubus-bridge.c
+++ b/hw/nubus/mac-nubus-bridge.c
@@ -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);

diff --git a/hw/nubus/nubus-bridge.c b/hw/nubus/nubus-bridge.c
index 95662568c518337e06e8b6afab5c3d036d74f09d..3b68d4435c58500a0ce6c5df0349b0d0ebdee847 100644 (file)
--- a/hw/nubus/nubus-bridge.c
+++ b/hw/nubus/nubus-bridge.c
@@ -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,
 };

diff --git a/include/hw/nubus/mac-nubus-bridge.h b/include/hw/nubus/mac-nubus-bridge.h
index b595e1b7ef66117b97668880240c539b02a60c18..70ab50ab2d673196be3502dfdaa6c203655d4335 100644 (file)
--- a/include/hw/nubus/mac-nubus-bridge.h
+++ b/include/hw/nubus/mac-nubus-bridge.h
@@ -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;
 };

diff --git a/include/hw/nubus/nubus.h b/include/hw/nubus/nubus.h
index 11bcc9bb36478f084f153007b53bd7370a36fcb6..2d00d1815060476a58015bbc5f623207ad0e4118 100644 (file)
--- a/include/hw/nubus/nubus.h
+++ b/include/hw/nubus/nubus.h
@@ -62,6 +62,8 @@ struct NubusDevice {
 
 struct NubusBridge {
     SysBusDevice parent_obj;
+
+    NubusBus *bus;
 };
 
 #endif