Re: [Qemu-devel] [PATCH v2 0/4] m68k: Add basic support for the NeXTcube machine

[Philippe Mathieu-Daudé]

On 6/28/19 8:15 PM, Thomas Huth wrote:
> Bryce apparently never got around to work on this again, so I'll have
> another try now ...
> 
> During Google Summer of Code 2011, Bryce Lanham added the possibility to
> emulate the NeXTcube machine in QEMU, e.g. see this URL for some details:
> 
> https://wiki.qemu.org/Google_Summer_of_Code_2011#NeXT_machines_system_emulation

I'm not sure you used the correct URL, the GSoC entry is not very
useful. I found this one more helpful (v1):
https://lists.gnu.org/archive/html/qemu-devel/2011-08/msg02158.html

> But since the machine requires a 68040 CPU and this was not included in
> upstream QEMU in 2011 yet, the patches have never been merged to upstream.
> 
> Then, during the last years, Laurent completed the full 680x0 support in
> upstream QEMU, so we could finally merge the NeXTcube support, too.
> 
> The QEMU interfaces changed a lot since 2011, so I had to modify the
> sources quite a bit, but with the attached patches, it is now possible
> to boot up to the firmware monitor again.
> 
> Note that boot device emulation is either still missing (network and SCSI),
> so you can not boot any operating systems with this machine yet. I have
> the patches for these devices in my brach here:
> 
>  https://gitlab.com/huth/qemu/commits/next-cube
> 
> ... but they are not quite working yet, so I'll submit them later once
> they have been fixed and the basic support patches of this series have
> been merged.
> 
> v2:
>  - Don't use memory_region_allocate_system_memory() for the framebuffer
>    device anymore
>  - Turn the keyboard device into a proper QOM device
>  - Put the global variables in the third patch into the machine state
>    structure
>  - Got rid of the "//" C++ comments