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 #include "qom/object.h" 15 #include "qemu/units.h" 16 17 #define NUBUS_SUPER_SLOT_SIZE 0x10000000U 18 #define NUBUS_SUPER_SLOT_NB 0xe 19 20 #define NUBUS_SLOT_BASE (NUBUS_SUPER_SLOT_SIZE * \ 21 (NUBUS_SUPER_SLOT_NB + 1)) 22 23 #define NUBUS_SLOT_SIZE 0x01000000 24 #define NUBUS_FIRST_SLOT 0x0 25 #define NUBUS_LAST_SLOT 0xf 26 #define NUBUS_SLOT_NB (NUBUS_LAST_SLOT - NUBUS_FIRST_SLOT + 1) 27 28 #define TYPE_NUBUS_DEVICE "nubus-device" 29 OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE) 30 31 #define TYPE_NUBUS_BUS "nubus-bus" 32 OBJECT_DECLARE_SIMPLE_TYPE(NubusBus, NUBUS_BUS) 33 34 #define TYPE_NUBUS_BRIDGE "nubus-bridge" 35 36 struct NubusBus { 37 BusState qbus; 38 39 AddressSpace nubus_as; 40 MemoryRegion nubus_mr; 41 42 MemoryRegion super_slot_io; 43 MemoryRegion slot_io; 44 45 uint16_t slot_available_mask; 46 }; 47 48 #define NUBUS_DECL_ROM_MAX_SIZE (128 * KiB) 49 50 struct NubusDevice { 51 DeviceState qdev; 52 53 int32_t slot; 54 MemoryRegion super_slot_mem; 55 MemoryRegion slot_mem; 56 57 char *romfile; 58 MemoryRegion decl_rom; 59 }; 60 61 #endif 62