By definition the EXTERNAL bit in Debug Fault Status Register indicates that an external debug request (EDBGRQ) signal was asserted. Usage example: this could be done by CTI in multicore devices in order to halt all the cores together. Change-Id: I7830455ce5da6702b7d08c8fa7bfe80e4d8a5055 Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com> Reviewed-on: http://openocd.zylin.com/5157 Tested-by: jenkins Reviewed-by: Tomas Vanek <vanekt@fbl.cz>master