target/cortex_m: do not use VECTRESET on Cortex-M0, M0+ and M1 94/4794/4
authorTomas Vanek <vanekt@fbl.cz>
Fri, 7 Dec 2018 16:00:12 +0000 (17:00 +0100)
committerTomas Vanek <vanekt@fbl.cz>
Wed, 19 Dec 2018 13:14:09 +0000 (13:14 +0000)
commitcb5c6477f53c352d5997f84fae6d527d9f2557e7
tree163ab32b8ff97cd84de53e73de9f2d6e68e78a7d
parent651998e33771bdad56873e3e70bd875104ca1d12
target/cortex_m: do not use VECTRESET on Cortex-M0, M0+ and M1

Cortex-M0, M0+ and M1 do not support VECTRESET bit in AIRCR.
Without this change the 'reset' command silently fails if VECTRESET
is requested.

Detect these cores, show warning if VECTRESET is about to use
and use SYSRESETREQ instead.

Change-Id: Ief174373e3ef0e6b287c57911c0aca4dfa8209f2
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4794
Tested-by: jenkins
Reviewed-by: Jean-Christian de Rivaz <jcamdr70@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
doc/openocd.texi
src/target/cortex_m.c
src/target/cortex_m.h