Implement the commands
* exception undefined - execute an illegal instruction
* exception sigsegv - cause a segment violation
Here is a possible output:
=> exception undefined
Illegal instruction
pc = 0x55eb8d0a7575, pc_reloc = 0x57575
Resetting ...
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
