Re: [Qemu-devel] nVidia emulation in QEMU?

[Philippe Mathieu-Daudé]

Hi,

On 08/17/2017 10:01 PM, Darius Goad wrote:
> Hello. I'm Melissa, a trans woman who is the main developer of the nVidia
> emulation code for 86Box. I'm interested in porting this code over to QEMU
> as QEMU has higher compatibility with newer operating systems, as well as
> expanding the developer base for nVidia graphics card emulation.
>
> The 86Box code currently only handles the RIVA 128, the RIVA TNT, and a few
> versions of the RIVA TNT2, and in a very incomplete state at that. I have
> not been able to progress further due to the fact that 86Box's support of
> modern Linux operating systems is poor, and due to the lack of a debugger
> in 86Box.
>
> I do need some help, however, as QEMU's code structure is not my strong
> suit.
>
> Anyway, my code is here:
> https://github.com/MoochMcGee/86Box-experimental/blob/experimental/src/VIDEO/vid_nv_riva128.c

This code seems to match how devices are implemented in QEMU.

You can start looking at this concise QEMU device (no PCI):

https://github.com/qemu/qemu/blob/master/hw/display/cg3.c

and a device with PCI:

https://github.com/qemu/qemu/blob/master/hw/display/sm501.c

Regards,

Phil.