[En-Nut-Discussion] ARM in Thumb mode

[Paulo Silva(OpenSoftware)]

Adam Dybkowski escreveu:
> Hi.
>
> How can I compile and run Nut/OS in Thumb mode on AT91SAM7S256?
> I didn't find the answer in the En-Nut-Discussion Archives.
>
> The source code tells Thumb mode is not supported 
> (nut/arch/arm/os/context.c) but on this microcontroller the 
> Thumb-compiled code runs faster than in ARM mode, and the code size is 
> also important for me.
>
> If this is not possible in current Nut/OS (cvs) version, I'd like to add 
> Thumb support to Nut/OS. Where should I start the development? I have a 
> board based on AT91SAM7S256 and JTAG cable.
>
>   
Maybe the option */interwork/*  is missing, give it to compiler if so, 
to compile using thumb mode.

Regards

PSilva