AW: AW: Rust on RTEMS

Tue Jan 30 13:08:00 UTC 2024

> -----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 put such a text into the manual (would it not be outdated by your approach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.

Cheers,

    Jan

> Greetings,
> Frank
> 
> On 1/29/24 19:27, Jan.Sommer at dlr.de wrote:
> > Hi everyone,
> >
> > Sorry for the delayed response.
> > Yes, that’s me. I am responsible for the RTEMS related work-package in the
> “cRustacea in Space” project.
> > One of the goals is to create a prototypical port of Rust to RTEMS for our
> example target platform (Xilinx Zynq).
> > The status is currently the following:
> >
> >    *   I have a custom target based added to the compiler sources which
> compiles Rust code for the Zynq
> >    *   I ported the stdlib to work with RTEMS (using the POSIX API)
> >    *   I ported the libc wrapper for this to work
> >    *   I can now compile the below application and unit test and run it on the
> (simulated) target using cargo build/run/test without the need to use any
> extra attributes as a work-around.
> >
> > fn add_two_numbers(num1: i32, num2: i32) -> i32 {
> >      num1 + num2
> > }
> >
> > #[test]
> > fn test_add_two_numbers() {
> >      assert_eq!(add_two_numbers(2, 3), 5); }
> >
> > pub fn main() -> ! {
> >       println!("Hallo from println");
> >       println!("2 + 2 = {}", add_two_numbers(2,2));
> >
> >       loop {}
> > }
> >
> > My next goal is to add those changes to the official Rust repos in order to
> have it as a Tier3 target platform.
> > I need to tidy up my commits and have a few open questions regarding
> naming conventions (I will start a corresponding thread here shortly).
> > With that done, it should be much easier for others to play around with
> Rust on RTEMS as it only requires to install the nightly compiler via rustup.
> >
> > Cheers,
> >
> >      Jan
> >
> > Von: Joel Sherrill<joel at rtems.org>
> > Gesendet: Mittwoch, 20. Dezember 2023 23:38
> > An: Frank Kühndel<frank.kuehndel at embedded-brains.de>
> > Cc: Molock, Dwaine S.
> > (GSFC-5820)<dwaine.s.molock at nasa.gov>;rtems-users at rtems.org
> > <users at rtems.org>; Sommer, Jan<Jan.Sommer at dlr.de>
> > Betreff: Re: Rust on RTEMS
> >
> > Karel Gardas posted in February that he has Rust on RTEMS on an arm.
> >
> > Frank. Are there instructions on building the tools chain somewhere?
> >
> > And is Jan Sommer part of the DLR Rust on RTEMS project?
> >
> > --joel
> >
> > On Wed, Dec 20, 2023, 3:59 PM Frank Kühndel
> <frank.kuehndel at embedded-
> brains.de<mailto:frank.kuehndel at embedded-brains.de>> wrote:
> > Hello Dwaine,
> >
> > On 12/20/23 20:41, Molock, Dwaine S. (GSFC-5820) wrote:
> >   > Hello,
> >   >
> >   > Has anyone been able to execute Rust on RTEMS?
> >
> > Yes – to use RTEMS from within a Rust application, with
> >
> > #![no_std]
> > #![no_main]
> >
> >   >
> >   > If so, is there a how to guide and what architecture and
> > development hardware was used?
> >
> > I have not yet found time to write a documentation despite I want to
> > do so. Sorry for this. Ferrous Systems first extended Rust to run on
> > Gaisler SPARC bare metal and then they figured it works with RTEMS 5
> > from Gaisler, too. Their documentation is here:
> > https://github.com/ferrous-systems/sparc-experiments/
> >
> > I did run my examples only on simulators. I tried two architectures
> > with RTEMS 6: Leon3 and RISC-V.
> >
> > Greetings,
> > Frank
> >
> > --
> > embedded brains GmbH & Co. KG
> > Herr Frank KÜHNDEL
> > Dornierstr. 4
> > 82178 Puchheim
> > Germany
> > email:frank.kuehndel at embedded-
> brains.de<mailto:frank.kuehndel at embedded
> > -brains.de>
> > phone:  +49-89-18 94 741 - 23
> > mobile: +49-176-15 22 06 - 11
> >
> > Registergericht: Amtsgericht München
> > Registernummer: HRA 117265
> > Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas
> > Dörfler Unsere Datenschutzerklärung finden Sie hier:
> > https://embedded-brains.de/datenschutzerklaerung/
> > _______________________________________________
> > users mailing list
> > users at rtems.org<mailto:users at rtems.org>
> > http://lists.rtems.org/mailman/listinfo/users
> >
> 
> --
> embedded brains GmbH & Co. KG
> Herr Frank KÜHNDEL
> Dornierstr. 4
> 82178 Puchheim
> Germany
> email: frank.kuehndel at embedded-brains.de
> phone:  +49-89-18 94 741 - 23
> mobile: +49-176-15 22 06 - 11
> 
> Registergericht: Amtsgericht München
> Registernummer: HRA 117265
> Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler
> Unsere Datenschutzerklärung finden Sie hier:
> https://embedded-brains.de/datenschutzerklaerung/