Re: [Qemu-devel] [PATCH v2 3/4] m68k: Add NeXTcube machine

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 6/29/19 2:26 PM, Philippe Mathieu-Daudé wrote:
> On 6/28/19 8:15 PM, Thomas Huth wrote:
>> It is still quite incomplete (no SCSI, no floppy emulation, no network,
>> etc.), but the firmware already shows up the debug monitor prompt in the
>> framebuffer display, so at least the very basics are already working.
>>
>> This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at
>>
>>  https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-cube.c
>>
>> and altered quite a bit to fit the latest interface and coding conventions
>> of the current QEMU.
>>
>> Signed-off-by: Thomas Huth <huth@tuxfamily.org>
>> ---
>>  hw/m68k/Makefile.objs       |   2 +-
>>  hw/m68k/next-cube.c         | 988 ++++++++++++++++++++++++++++++++++++
>>  include/hw/m68k/next-cube.h |  38 ++
>>  3 files changed, 1027 insertions(+), 1 deletion(-)
>>  create mode 100644 hw/m68k/next-cube.c
>>
>> diff --git a/hw/m68k/Makefile.objs b/hw/m68k/Makefile.objs
>> index 688002cac1..f25854730d 100644
>> --- a/hw/m68k/Makefile.objs
>> +++ b/hw/m68k/Makefile.objs
>> @@ -1,3 +1,3 @@
>>  obj-$(CONFIG_AN5206) += an5206.o mcf5206.o
>>  obj-$(CONFIG_MCF5208) += mcf5208.o mcf_intc.o
>> -obj-$(CONFIG_NEXTCUBE) += next-kbd.o
>> +obj-$(CONFIG_NEXTCUBE) += next-kbd.o next-cube.o
>> diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
>> new file mode 100644
>> index 0000000000..700d386fb9
>> --- /dev/null
>> +++ b/hw/m68k/next-cube.c
>> @@ -0,0 +1,988 @@
>> +/*
>> + * NeXT Cube System Driver
>> + *
>> + * Copyright (c) 2011 Bryce Lanham
>> + *
>> + * This code is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published
>> + * by the Free Software Foundation; either version 2 of the License,
>> + * or (at your option) any later version.
>> + */
>> +
>> +#include "qemu/osdep.h"
>> +#include "exec/hwaddr.h"
>> +#include "exec/address-spaces.h"
>> +#include "sysemu/sysemu.h"
>> +#include "sysemu/qtest.h"
>> +#include "hw/hw.h"
>> +#include "hw/m68k/next-cube.h"
>> +#include "hw/boards.h"
>> +#include "hw/loader.h"
>> +#include "hw/scsi/esp.h"
>> +#include "hw/sysbus.h"
>> +#include "hw/char/escc.h" /* ZILOG 8530 Serial Emulation */
>> +#include "hw/block/fdc.h"
>> +#include "qapi/error.h"
>> +#include "ui/console.h"
>> +#include "target/m68k/cpu.h"
>> +
>> +/* #define DEBUG_NEXT */
>> +#ifdef DEBUG_NEXT
>> +#define DPRINTF(fmt, ...) \
>> +    do { printf("NeXT: " fmt , ## __VA_ARGS__); } while (0)
>> +#else
>> +#define DPRINTF(fmt, ...) do { } while (0)
>> +#endif
>> +
>> +#define TYPE_NEXT_MACHINE MACHINE_TYPE_NAME("next-cube")
>> +#define NEXT_MACHINE(obj) OBJECT_CHECK(NeXTState, (obj), TYPE_NEXT_MACHINE)
>> +
>> +#define ENTRY       0x0100001e
>> +#define RAM_SIZE    0x4000000
>> +#define ROM_FILE    "rom66.bin"
> 
> Where can we find this file to test your work?

I found one:

http://www.nextcomputers.org/NeXTfiles/Software/ROM_Files/68040_Non-Turbo_Chipset/

I have to say I'm impressed :)

Let me share this comment from
http://old-computers.com/museum/computer.asp?c=277

"did you know the 040 nextcube was actually used for graphics design at
id software at the time doom was made?"

=)