Lpc2000

I'll be waiting to hear the news from you.
Thanks a lot.

Radek

--- Rob Jansen <rob@...> wrote:

> >     Does anyone know the proper way of exit from
> debug state to the thumb
> >  running state? This is not described in any
> available arm documents.
> 
> The way you describe it in your previous mail sounds
> good:
> 
> >  > When I exit from debug state:
> >  > 10. restore r1 to r15 (arm instruction - r15 is
> modified to reflect
> >  > correct address after 12)
> >  > 11. restore cpsr
> >  > 12. restore r0 (arm or thumb instruction)
> 
> The only question is what will happen with the
> content of r15 during steps
> 11 and 12 (the LSB must stay 1 in order to jump to
> thumb mode).
> 
> I have not even reached thumb mode yet, I have some
> problems reading
> registers after execution of a system speed LDR
> r1,[r0]. It seems the
> RESTART has some side effects such that I am not
> able to do normal CPU
> register reads anymore (reading the ICE registers
> looks Ok so scanchain
> works).
> 
> I have planned to do some monitoring on the JTAG
> signals of a working JTAG
> pod. I will also look at thumb at that time and keep
> you informed.
> 
> Regards,
> 
>     Rob
> 
> 



		
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