include/hw/nubus/nubus.h

   1 /*
   2  * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
   3  *
   4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5  * See the COPYING file in the top-level directory.
   6  *
   7  */
   8
   9 #ifndef HW_NUBUS_NUBUS_H
  10 #define HW_NUBUS_NUBUS_H
  11
  12 #include "hw/qdev-properties.h"
  13 #include "exec/address-spaces.h"
  14
  15 #define NUBUS_SUPER_SLOT_SIZE 0x10000000U
  16 #define NUBUS_SUPER_SLOT_NB   0x9
  17
  18 #define NUBUS_SLOT_SIZE       0x01000000
  19 #define NUBUS_SLOT_NB         0xF
  20
  21 #define NUBUS_FIRST_SLOT      0x9
  22 #define NUBUS_LAST_SLOT       0xF
  23
  24 #define TYPE_NUBUS_DEVICE "nubus-device"
  25 #define NUBUS_DEVICE(obj) \
  26      OBJECT_CHECK(NubusDevice, (obj), TYPE_NUBUS_DEVICE)
  27
  28 #define TYPE_NUBUS_BUS "nubus-bus"
  29 #define NUBUS_BUS(obj) OBJECT_CHECK(NubusBus, (obj), TYPE_NUBUS_BUS)
  30
  31 #define TYPE_NUBUS_BRIDGE "nubus-bridge"
  32
  33 typedef struct NubusBus {
  34     BusState qbus;
  35
  36     MemoryRegion super_slot_io;
  37     MemoryRegion slot_io;
  38
  39     int current_slot;
  40 } NubusBus;
  41
  42 typedef struct NubusDevice {
  43     DeviceState qdev;
  44
  45     int slot_nb;
  46     MemoryRegion slot_mem;
  47
  48     /* Format Block */
  49
  50     MemoryRegion fblock_io;
  51
  52     uint32_t rom_length;
  53     uint32_t rom_crc;
  54     uint8_t rom_rev;
  55     uint8_t rom_format;
  56     uint8_t byte_lanes;
  57     int32_t directory_offset;
  58
  59     /* ROM */
  60
  61     MemoryRegion rom_io;
  62     const uint8_t *rom;
  63 } NubusDevice;
  64
  65 void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
  66                         int revision, int format, uint8_t byte_lanes);
  67
  68 #endif