microwatt/tests/illegal
Michael Neuling 9d7df2d507 Add test cases for new exceptions and supervisor state
This adds test cases for:
- sc, illegals and decrementer exceptions
- decrementer overflow
- rfid
- mt/mf sprg0/1 srr0/1
- mtdec
- mtmsrd
- sc

It also adds these test cases to make check/check_light

Signed-off-by: Michael Neuling <mikey@neuling.org>
..
Makefile Add test cases for new exceptions and supervisor state
head.S Add test cases for new exceptions and supervisor state
illegal.c Add test cases for new exceptions and supervisor state
powerpc.lds Add test cases for new exceptions and supervisor state