motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/m68k: add Nubus support

Browse source 
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>
This commit is contained in:
Laurent Vivier 2019-10-26 18:45:42 +02:00
parent 87a34e2adb
commit fa2ba3b80e
12 changed files with 509 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

24
include/hw/nubus/mac-nubus-bridge.h Normal file
View file

@ -0,0 +1,24 @@
/*
* 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_MAC_H
#define HW_NUBUS_MAC_H
#include "hw/nubus/nubus.h"
#define TYPE_MAC_NUBUS_BRIDGE "mac-nubus-bridge"
#define MAC_NUBUS_BRIDGE(obj) OBJECT_CHECK(MacNubusState, (obj), \
TYPE_MAC_NUBUS_BRIDGE)
typedef struct MacNubusState {
SysBusDevice sysbus_dev;
NubusBus *bus;
} MacNubusState;
#endif

69
include/hw/nubus/nubus.h Normal file
View file

@ -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