Hi,
-----Message d'origine----- De : andr...@fritiofson.net [mailto:andr...@fritiofson.net] De la part de Andreas Fritiofson Envoyé : 14 décembre 2010 15:39 À : Jonathan dumaresq Cc : Spencer Oliver; openocd-development@lists.berlios.de Objet : Re: [Openocd-development] Problem loading to CFI flash 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? armv4_5_cfi_span_16.s from the contrib folder Jonathan Regards, Andreas -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
