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Re: Cortex port

On Thu, 2008-09-11 at 08:59 +0200, wrote:
> Robin Randhawa wrote:

> > Good to know. I guess they must have payed you after all! :)
> > I started writing off a Cortex M3 port myself but will stall now
> > awaiting your contribution so that I can patch in bits for the Luminary
> > Micro Stellaris LM3S6965EVB board.
> >   
> Yeah I get payed for it, which helps a lot :)

Sure does!

> I got a very basic arch+variant+platform definition
> > +init code and linker script going. The board I had access to was away
> > so I started using qemu instead and that helped.
> >   
> Did you create a new architecture, or add the cortex stuff into the arm 
> architecture? I have added a new architecture "cortexm" for now, as 
> there seem to be rather big differences in interrupt handling and 
> context switching.

Agreed. I went along the same route - basically created a new top level
architecture called cortex-m3 following the same argument.

> > I have access to an ARM Micro-link box as well as an ARM Multi-ICE box
> > so can possibly use these in time of need. I do not think that Cortex
> > specific support is a mandatory option as of now IMHO.
> >
> >   
> Ok, so you could do some testing?

Sure, I could give that a shot.

> >> These were just a few questions, I guess a lot more will arise sooner or 
> >> later. The code not nearly mature enough to post patches, but If anyone 
> >> is interested to help on the port, please let me know. I could also 
> >> setup SVN access for simpler development.
> >>     
> >
> > That would be much appreciated. Please let me know if you could set me
> > up with access and I'll try to pitch in bits.
> >   
> Ok, I try to prepare everything so you can get access.

Cool. I'll stand by then. You can send me the credentials offline if you

Cheers and thanks,

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