Rust on RTEMS

[Frank Kühndel]

On 1/30/24 14:08, Jan.Sommer at dlr.de wrote:
>> -----Ursprüngliche Nachricht-----
>> Von: Frank Kühndel<frank.kuehndel at embedded-brains.de>
>> Gesendet: Dienstag, 30. Januar 2024 11:03
>> An: Sommer, Jan<Jan.Sommer at dlr.de>;joel at rtems.org
>> Cc:dwaine.s.molock at nasa.gov;users at rtems.org
>> Betreff: Re: AW: Rust on RTEMS
>>
>> Hello Jan,
>>
>> thanks for the info and all your efforts.
>>
>> Are you planing to add a short "How to use Rust with RTEMS?" section to the
>> RTEMS user manual?
>>
>> I am asking because I was thinking of writing a description on how to use Rust
>> with `#![no_std]` and `#![no_main]` into the user manual.
>> Basically the same text which I already attached to
>>
>>      https://lists.rtems.org/pipermail/users/2023-December/068914.html
>>
>> Yet, because you are much ahead of me, does it still make sense for me to
>> put such a text into the manual (would it not be outdated by your approach
>> soon)?
>>
> Good question. I think your explanations are more general, while the things I am working on will only be relevant for the Xilinx BSPs (until other architectures are ported). So, I think it would still be good to have this in the manual.

OK. I'll do.

What surprises me is that the porting of Rust libraries (i.e. std), Rust 
test framework and the ability to have a Rust main() function does 
depend so much on the particular BSP. I was thinking that these items 
must be adapted once to RTEMS and are then - at least mostly - 
independent of a particular processor and board.

How much effort is (very roughly) the porting to another BSP?
Or what needs to be done to adapt Rust to another BSP?

Greetings
Frank

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