[Mesa-dev] Rust drivers in Mesa

[Dylan Baker]

The elbrus C/C++ compiler is largely gcc compatible asks supported in meson, so that really shouldn't be a problem.

Dylan

On Sun, Oct 4, 2020, at 11:24, Alexander Schlichte wrote:
> On 04.10.20 17:19, Alyssa Rosenzweig wrote:
> > Cc'd.
> >
> > On Sun, Oct 04, 2020 at 03:17:28PM +0300, Michael Shigorin wrote:
> >> For one, I'm porting ALT Linux onto e2k platform
> >> (there's only an early non-optimizing version of
> >> Rust port there by now), and we're maintaining repos
> >> for aarch64, armv7hf, ppc64el, mipsel, and riscv64 either
> >> -- none of which seem to be described as better than
> >> "experimental" at http://doc.rust-lang.org/core/arch page
> >> in terms of Rust support.
> The correct page to check for platform support would be [1]. The page you
> linked is just about exposing vendor-specific intrinsics within Rust itself,
> not about what the rust compiler can target.
> 
>  From what I could find, both gcc and llvm appear to lack support for e2k, so
> that's indeed problematic for the time being. As for the other architectures
> you mentioned, those should correspond to:
> 
> aarch64-unknown-linux-gnu
> armv7-unknown-linux-gnueabihf
> powerpc64le-unknown-linux-gnu
> mipsel-unknown-linux-gnu
> riscv64gc-unknown-linux-gnu
> 
> All of which are tier 2 targets, can run cargo and rustc, and have full std
> support. As Jacob already mentioned, aarch64 has a clear path towards tier 1
> which is officially driven by ARM.
> 
> Platform support was also previously discussed at Linux Plumbers Conf back in
> August [2], [3] with the main takeaway having been IIRC that adding support to
> Rust isn't that hard once LLVM has support.
> 
> [1] https://doc.rust-lang.org/nightly/rustc/platform-support.html
> [2] https://linuxplumbersconf.org/event/7/contributions/804/
> [3] https://www.youtube.com/watch?v=FFjV9f_Ub9o&t=2065s
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-- 
  Dylan Baker
  dylan at pnwbakers.com