RTEMS on Cortex-M3

[Sebastian Huber]

Hi,

I am not working on it, but is likely that I will use the Cortex-M3 in the
future.  So please keep me up to date when you start something.

On 10/15/2010 04:44 PM, Steven Grunza wrote:
> Is anyone working on getting RTEMS running on Cortex-M3?  The last I saw
> on the list (this list, the LinkedIn list has been really quiet) was a
> mention to "make sure the processor is supported by the cpukit". 

The first step is to make sure that the architecture (ARMv7-M) is supported by
the tool chain.

> It
> looks like the relevant directory would be rtems/cpukit/score/cpu/arm.

Yes.

> 
> I've never worked in this part of the RTEMS source before and this is my
> first time working with ARM.  I'm starting to wonder if a new directory
> would be a good idea since the Cortex-M3 doesn't have the ".arm" mode
> and always stays in ".thumb" mode; perhaps
> rtems/cpukit/score/cpu/cortex_m.

I prefer files with a 'cortex-*.[Sc]' pattern in 'cpukit/score/cpu/arm' since
we will use the arm tool chain.

> 
> 
> 
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Sebastian Huber, embedded brains GmbH

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