diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2019-10-26 18:45:42 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2019-10-28 19:06:47 +0100 |
| commit | fa2ba3b80e13e6bb961bfe3e614c606cd4985d3d (patch) | |
| tree | d6aae565fb2eba58fe74d771bbd6952a333b6bd7 /include/hw/nubus/nubus.h | |
| parent | 87a34e2adb03ca4120ef1e69ad5fe75d65c88b24 (diff) | |
| download | qemu-fa2ba3b80e13e6bb961bfe3e614c606cd4985d3d.zip qemu-fa2ba3b80e13e6bb961bfe3e614c606cd4985d3d.tar.gz qemu-fa2ba3b80e13e6bb961bfe3e614c606cd4985d3d.tar.bz2 | |
hw/m68k: add Nubus support
This patch adds basic support for the NuBus bus. This is used by 680x0
Macintosh.
Co-developed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20191026164546.30020-8-laurent@vivier.eu>
Diffstat (limited to 'include/hw/nubus/nubus.h')
| -rw-r--r-- | include/hw/nubus/nubus.h | 69 |
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 0000000..a8634e5 --- /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 |