simx refactoring, fixed simple.hex, compatibility with rtlsim and vlsim complete, added to regression suite

simX/Makefile

@@ -27,8 +27,10 @@ all: $(PROJECT)
 $(PROJECT): $(SRCS)
 	$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
 
-run: $(PROJECT)
-	./$(PROJECT) 
+run:
+	./test_rv32i.sh
+	./test_rv32f.sh
+	./test_runtime.sh
 
 .depend: $(SRCS)
 	$(CXX) $(CXXFLAGS) -MM $^ > .depend;