| 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/core/qdev-properties.h" |
| 13 | #include "hw/core/sysbus.h" |
| 14 | #include "system/address-spaces.h" |
| 15 | #include "qom/object.h" |
| 16 | #include "qemu/units.h" |
| 17 | |
| 18 | #define NUBUS_SUPER_SLOT_SIZE 0x10000000U |
| 19 | #define NUBUS_SUPER_SLOT_NB 0xe |
| 20 | |
| 21 | #define NUBUS_SLOT_BASE (NUBUS_SUPER_SLOT_SIZE * \ |
| 22 | (NUBUS_SUPER_SLOT_NB + 1)) |
| 23 | |
| 24 | #define NUBUS_SLOT_SIZE 0x01000000 |
| 25 | #define NUBUS_FIRST_SLOT 0x0 |
| 26 | #define NUBUS_LAST_SLOT 0xf |
| 27 | #define NUBUS_SLOT_NB (NUBUS_LAST_SLOT - NUBUS_FIRST_SLOT + 1) |
| 28 | |
| 29 | #define NUBUS_IRQS 16 |
| 30 | |
| 31 | #define TYPE_NUBUS_DEVICE "nubus-device" |
| 32 | OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE) |
| 33 | |
| 34 | #define TYPE_NUBUS_BUS "nubus-bus" |
| 35 | OBJECT_DECLARE_SIMPLE_TYPE(NubusBus, NUBUS_BUS) |
| 36 | |
| 37 | #define TYPE_NUBUS_BRIDGE "nubus-bridge" |
| 38 | OBJECT_DECLARE_SIMPLE_TYPE(NubusBridge, NUBUS_BRIDGE); |
| 39 | |
| 40 | struct NubusBus { |
| 41 | BusState qbus; |
| 42 | |
| 43 | AddressSpace nubus_as; |
| 44 | MemoryRegion nubus_mr; |
| 45 | |
| 46 | MemoryRegion super_slot_io; |
| 47 | MemoryRegion slot_io; |
| 48 | |
| 49 | uint16_t slot_available_mask; |
| 50 | |
| 51 | qemu_irq irqs[NUBUS_IRQS]; |
| 52 | }; |
| 53 | |
| 54 | #define NUBUS_DECL_ROM_MAX_SIZE (1 * MiB) |
| 55 | |
| 56 | struct NubusDevice { |
| 57 | DeviceState qdev; |
| 58 | |
| 59 | int32_t slot; |
| 60 | MemoryRegion super_slot_mem; |
| 61 | MemoryRegion slot_mem; |
| 62 | |
| 63 | char *romfile; |
| 64 | MemoryRegion decl_rom; |
| 65 | }; |
| 66 | |
| 67 | void nubus_set_irq(NubusDevice *nd, int level); |
| 68 | |
| 69 | struct NubusBridge { |
| 70 | SysBusDevice parent_obj; |
| 71 | |
| 72 | NubusBus bus; |
| 73 | }; |
| 74 | |
| 75 | #endif |