[PATCH v1 0/2] RISC-V: enable rust

[Conor Dooley]

Hey Kwang,

On 08/06/2023 05:46, 손광훈/Tizen Platform Lab(SR)/삼성전자 wrote:
> Hi,
> Recently I'm trying to put a rust patch on the risc-v board.
> I saw a patch [1] and looked through it roughly.
> Only if llvm(not gcc) is allowed, it looks good with no major problems.
> 
> > I'll revisit this when my thoughts have settled down.
> 
> If you let me know the problematic part, may I try the patch?
> 
> [1] https://lore.kernel.org/linux-riscv/20230405-itinerary-handgrip-
> a5ffba368148 at spud/

Yeah, you can definitely try this or the downstream rust-for-linux
project - both should work well on RISC-V.
The problematic part is figuring out what ISA extensions are supported
by the rust compiler being used (and by bindgen), and deciding what to
put in -march as a result.

I think it is unlikely to matter for you, unless you're aggressively
mixing versions for different parts of your toolchain.

I do intend revisting this, probably after the min. version for rust
gets bumped, I've just been really busy with other work the last weeks.

Cheers,
Conor.
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