2 files changed, 37 insertions, 25 deletions

diff --git a/include/hw/nubus/mac-nubus-bridge.h b/include/hw/nubus/mac-nubus-bridge.h
index 36aa098dd4..70ab50ab2d 100644
--- a/include/hw/nubus/mac-nubus-bridge.h
+++ b/include/hw/nubus/mac-nubus-bridge.h
@@ -12,13 +12,18 @@
 #include "hw/nubus/nubus.h"
 #include "qom/object.h"
 
+#define MAC_NUBUS_FIRST_SLOT 0x9
+#define MAC_NUBUS_LAST_SLOT  0xe
+#define MAC_NUBUS_SLOT_NB    (MAC_NUBUS_LAST_SLOT - MAC_NUBUS_FIRST_SLOT + 1)
+
 #define TYPE_MAC_NUBUS_BRIDGE "mac-nubus-bridge"
-OBJECT_DECLARE_SIMPLE_TYPE(MacNubusState, MAC_NUBUS_BRIDGE)
+OBJECT_DECLARE_SIMPLE_TYPE(MacNubusBridge, MAC_NUBUS_BRIDGE)
 
-struct MacNubusState {
-    SysBusDevice sysbus_dev;
+struct MacNubusBridge {
+    NubusBridge parent_obj;
 
-    NubusBus *bus;
+    MemoryRegion super_slot_alias;
+    MemoryRegion slot_alias;
 };
 
 #endif
diff --git a/include/hw/nubus/nubus.h b/include/hw/nubus/nubus.h
index e2b5cf260b..b3b4d2eadb 100644
--- a/include/hw/nubus/nubus.h
+++ b/include/hw/nubus/nubus.h
@@ -10,17 +10,23 @@
 #define HW_NUBUS_NUBUS_H
 
 #include "hw/qdev-properties.h"
+#include "hw/sysbus.h"
 #include "exec/address-spaces.h"
 #include "qom/object.h"
+#include "qemu/units.h"
 
 #define NUBUS_SUPER_SLOT_SIZE 0x10000000U
-#define NUBUS_SUPER_SLOT_NB   0x9
+#define NUBUS_SUPER_SLOT_NB   0xe
+
+#define NUBUS_SLOT_BASE       (NUBUS_SUPER_SLOT_SIZE * \
+                               (NUBUS_SUPER_SLOT_NB + 1))
 
 #define NUBUS_SLOT_SIZE       0x01000000
-#define NUBUS_SLOT_NB         0xF
+#define NUBUS_FIRST_SLOT      0x0
+#define NUBUS_LAST_SLOT       0xf
+#define NUBUS_SLOT_NB         (NUBUS_LAST_SLOT - NUBUS_FIRST_SLOT + 1)
 
-#define NUBUS_FIRST_SLOT      0x9
-#define NUBUS_LAST_SLOT       0xF
+#define NUBUS_IRQS            16
 
 #define TYPE_NUBUS_DEVICE "nubus-device"
 OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE)
@@ -29,40 +35,41 @@ OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE)
 OBJECT_DECLARE_SIMPLE_TYPE(NubusBus, NUBUS_BUS)
 
 #define TYPE_NUBUS_BRIDGE "nubus-bridge"
+OBJECT_DECLARE_SIMPLE_TYPE(NubusBridge, NUBUS_BRIDGE);
 
 struct NubusBus {
     BusState qbus;
 
+    AddressSpace nubus_as;
+    MemoryRegion nubus_mr;
+
     MemoryRegion super_slot_io;
     MemoryRegion slot_io;
 
-    int current_slot;
+    uint16_t slot_available_mask;
+
+    qemu_irq irqs[NUBUS_IRQS];
 };
 
+#define NUBUS_DECL_ROM_MAX_SIZE    (128 * KiB)
+
 struct NubusDevice {
     DeviceState qdev;
 
-    int slot_nb;
+    int32_t slot;
+    MemoryRegion super_slot_mem;
     MemoryRegion slot_mem;
 
-    /* Format Block */
-
-    MemoryRegion fblock_io;
+    char *romfile;
+    MemoryRegion decl_rom;
+};
 
-    uint32_t rom_length;
-    uint32_t rom_crc;
-    uint8_t rom_rev;
-    uint8_t rom_format;
-    uint8_t byte_lanes;
-    int32_t directory_offset;
+void nubus_set_irq(NubusDevice *nd, int level);
 
-    /* ROM */
+struct NubusBridge {
+    SysBusDevice parent_obj;
 
-    MemoryRegion rom_io;
-    const uint8_t *rom;
+    NubusBus bus;
 };
 
-void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
-                        int revision, int format, uint8_t byte_lanes);
-
 #endif