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>

scripts/run_test_console.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Runs a test and checks the console output against known good output
+
+if [ $# -ne 1 ]; then
+	echo "Usage: run_test.sh <test>"
+	exit 1
+fi
+
+TEST=$1
+
+TMPDIR=$(mktemp -d)
+
+function finish {
+	rm -rf "$TMPDIR"
+}
+
+trap finish EXIT
+
+MICROWATT_DIR=$PWD
+
+cd $TMPDIR
+
+cp ${MICROWATT_DIR}/tests/${TEST}.bin main_ram.bin
+
+${MICROWATT_DIR}/core_tb > /dev/null 2> test1.out || true
+
+grep -v "Failed to bind debug socket" test1.out > test.out
+
+cp ${MICROWATT_DIR}/tests/${TEST}.console_out exp.out
+
+cp test.out /tmp
+cp exp.out /tmp
+
+diff -q test.out exp.out && echo "$TEST PASS" && exit 0
+
+echo "$TEST FAIL ********"
+exit 1