[PATCH v2 2/4] cmd: sandbox: implement exception command

[Simon Glass]

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 at gmx.de>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
v2:
	no change
---
 cmd/Kconfig             |  2 +-
 cmd/Makefile            |  1 +
 cmd/sandbox/Makefile    |  3 +++
 cmd/sandbox/exception.c | 41 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 cmd/sandbox/Makefile
 create mode 100644 cmd/sandbox/exception.c

Applied to u-boot-dm, thanks!