RTEMS on Aurix/TriCore

[Thomas Doerfler]

Hi,

the biggest problem IMHO is that the Trocore GCC port has been done by
HighTec, but not fed back to the official GCC repo, so we won't be able
to support new GCC features for Tricore.

wkr,

Thomas.

Am 28.07.20 um 13:53 schrieb Joel Sherrill:
> 
> 
> On Tue, Jul 28, 2020, 3:50 AM Knopp, Felix Ulrich
> <knopp at campus.tu-berlin.de <mailto:knopp at campus.tu-berlin.de>> wrote:
> 
>     Hello,
> 
>     The company I work for is currently using AURIX/TriCore
>     micro-controllers running PXROS as real time operating system.
>     I am now investigating if we could use a free alternative like RTEMS
>     instead. However, from what i've seen so far (I'm very new to RTEMS)
>     the TriCore architecture is not supported by RTEMS. 
> 
> 
> You are correct. RTEMS does not currently support the TriCore.
> 
> 
>     Would it be possible to run rtems on an aurix micro-controller? 
> 
> 
> Yes but it would require a port to a new architecture as well as a BSP
> for your target hardware. It is highly desirable to have a simulator to
> use while doing the initial bring up. It also helps with automated testing.
> 
>     What would have to be done to support a new processor architecture? 
> 
> 
> There is a CPU Architecture Supplement at docs.rtems.org
> <http://docs.rtems.org> which covers many of the issues and how various
> ports have addressed them.
> 
> What toolchain is available? I don't see TriCore in current gcc sources
> although there are references online to older versions. 
> 
> 
>     I'm thankful for any information
> 
> 
> No problem.
> 
> --joel
> 
> 
>     Cheers
>     Felix
> 
> 
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> 
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