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-rw-r--r--include/hw/nubus/nubus.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/hw/nubus/nubus.h b/include/hw/nubus/nubus.h
new file mode 100644
index 0000000000..a8634e54c5
--- /dev/null
+++ b/include/hw/nubus/nubus.h
@@ -0,0 +1,69 @@
+/*
+ * 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.
+ *
+ */
+
+#ifndef HW_NUBUS_NUBUS_H
+#define HW_NUBUS_NUBUS_H
+
+#include "hw/qdev-properties.h"
+#include "exec/address-spaces.h"
+
+#define NUBUS_SUPER_SLOT_SIZE 0x10000000U
+#define NUBUS_SUPER_SLOT_NB   0x9
+
+#define NUBUS_SLOT_SIZE       0x01000000
+#define NUBUS_SLOT_NB         0xF
+
+#define NUBUS_FIRST_SLOT      0x9
+#define NUBUS_LAST_SLOT       0xF
+
+#define TYPE_NUBUS_DEVICE "nubus-device"
+#define NUBUS_DEVICE(obj) \
+     OBJECT_CHECK(NubusDevice, (obj), TYPE_NUBUS_DEVICE)
+
+#define TYPE_NUBUS_BUS "nubus-bus"
+#define NUBUS_BUS(obj) OBJECT_CHECK(NubusBus, (obj), TYPE_NUBUS_BUS)
+
+#define TYPE_NUBUS_BRIDGE "nubus-bridge"
+#define NUBUS_BRIDGE(obj) OBJECT_CHECK(NubusBridge, (obj), TYPE_NUBUS_BRIDGE)
+
+typedef struct NubusBus {
+    BusState qbus;
+
+    MemoryRegion super_slot_io;
+    MemoryRegion slot_io;
+
+    int current_slot;
+} NubusBus;
+
+typedef struct NubusDevice {
+    DeviceState qdev;
+
+    int slot_nb;
+    MemoryRegion slot_mem;
+
+    /* Format Block */
+
+    MemoryRegion fblock_io;
+
+    uint32_t rom_length;
+    uint32_t rom_crc;
+    uint8_t rom_rev;
+    uint8_t rom_format;
+    uint8_t byte_lanes;
+    int32_t directory_offset;
+
+    /* ROM */
+
+    MemoryRegion rom_io;
+    const uint8_t *rom;
+} NubusDevice;
+
+void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
+                        int revision, int format, uint8_t byte_lanes);
+
+#endif