Thumb-2/ARMv7/Cortex-M support.

[Joel Sherrill]

On 06/28/2010 03:14 AM, Christian Castellaro wrote:
> Thanks a lot for your answer.
>
> I must (if possible) complete the port for friday 9th of july 2010... I'm short I know ;-)
>
>  From what I know cortex architecture is completely different than previous ARM cores. The current ARM port could be a good starting point to understand how to port RTEMS but quite everything will have to be rewritten.
>
> For the moment I can't even compile RTEMS for a supported cpu (powerpc) and bsp (psim) :-(
>
>
>    
It is often simpler to do the work on Linux.  Most of the core developers
use Fedora.  Consider using Virtualbox and installing Fedora 13.  It is
easy to get the RTEMS Fedora environment set up.  The download time
is usually longer than the time to get the first test on sis or psim 
running.

--joel
> I'll post this problem in a new entry
>
> If I do some acceptable work I'll share my code and results.
>
> have a nice day thanks
> -----Original Message-----
> From: Mike Panetta<mprtems at bellsouth.net>
> To: Christian Castellaro<christian.castellaro at students.hevs.ch>
> Date: Sun, 27 Jun 2010 13:24:46 -0700 (PDT)
> Subject: Re: Thumb-2/ARMv7/Cortex-M support.
>
> We could work together on this, but I only have a small amount of time to dedicate to it at the moment.  I have a couple of different Cortex-M3 devel kits I can test on.
>
> I am not quite sure where to start myself.  I was thinking the best place to start was the cpukit arm code in cpukit/score/cpu/arm and see what needs to be changed/modified for cortex-m3.
>
>
> Thanks,
> Mike
>
>
>
> ----- Original Message ----
>    
>> From: Christian Castellaro<christian.castellaro at students.hevs.ch>
>> To: mprtems at bellsouth.net
>> Cc: rtems-users at rtems.org
>> Sent: Wed, June 23, 2010 5:52:09 AM
>> Subject: Thumb-2/ARMv7/Cortex-M support.
>>
>> Hello Mike,
>>      
> I need to make a port of RTEMS for a Cortex M3. But I don't
>    
>> know how I can do this.
>>      
> Do you have any advice on what source files to
>    
>> modify?
>>      
> Wouldn't it be more efficient if we joined efforts?
>
> Thank
>    
>> you very much
>>      
> christian castellaro
>
>
>
>
>
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>    


-- 
Joel Sherrill, Ph.D.             Director of Research&  Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
    Support Available             (256) 722-9985