On Tue, Dec 14, 2010 at 7:26 PM, Jonathan dumaresq
<jdumar...@cimeq.qc.ca> wrote:
>  Hi,
>
> I have pull the head branch of openocd and now I can write to the cfi at a
> slow speed. I want to modify openocd to use the asm code for the cortex. I
> have used the sample contrib file as starting point for the cortex. I have
> been able to translate (a little effort there) the code. Now the question:
>
> 1- I have modifer the cfi.c to use my new opcodes in the word_16_code array.
> 2- I have change armv4_5_info.common_magic for ARMV7M_COMMON_MAGIC
>
> Up to now, I get to the point that my new code is loaded to ram and
> executed. The problem, is that I always exit of the armv7m_run_algorithm
> with an timeout. The target is never halt. BUT, when I look at the PC I'm at
> the exit point of the code, and the value of R5 is 0x80. So From what I see,
> The flash have been writed correctly. When I double check with mdw
> 0x64000000 all the data is well written.
>
> I have no idea why or How the target will be halted. Does any one here can
> point me to the righ direction ?
>
> I attach the asm file for the spansion 16 bin interface with the cortex m3
>
> Regards
>
> Jonathan Dumaresq
>

IIRC, all armv7-m algorithms must end with a BKPT instruction. That
should probably be documented somewhere. Which sample contrib file are
you talking about?

Regards,
Andreas
_______________________________________________
Openocd-development mailing list
Openocd-development@lists.berlios.de
https://lists.berlios.de/mailman/listinfo/openocd-development

Reply via email to