Hi all,
I just uploaded a patch to add initial support for xtensa, and specifically
the ESP8266 chip from Espressif:
http://openocd.zylin.com/#/c/3348/
I didn't write the code. That credit goes to others:
https://github.com/sysprogs/esp8266-openocd
and originally
https://github.com/projectgus/openocd
I just took their code and forward ported it to the latest openocd master
branch. Hopefully, we can consolidate the different efforts and add it into
mainline openocd development instead of side projects.
I tested it with the Sparkfun ESP8266 Thing and a Olimex ARM-USB-Tiny-h. I
can step, next, and set breakpoints. Loading of an image only works
partially, as it doesn't seem to be writing the external SPI flash.
Hopefully some other people can try this out and review the code.
Cheers,
- Thomas
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