application exit error handing

tests/runtime/hello/Makefile

@@ -13,7 +13,7 @@ LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--gc-sections
 
 PROJECT = hello
 
-SRCS = hello.cpp
+SRCS = main.cpp
 
 all: $(PROJECT).elf $(PROJECT).hex $(PROJECT).dump
 
@@ -27,7 +27,10 @@ $(PROJECT).elf: $(SRCS)
 	$(CC) $(CFLAGS) $(SRCS) $(LDFLAGS) -o $(PROJECT).elf
 
 run: $(PROJECT).hex
-	(cd ../../../hw/simulate/obj_dir && ./VVortex ../../../tests/runtime/hello/$(PROJECT).hex)
+	../../../hw/simulate/obj_dir/VVortex $(PROJECT).hex
+
+run-simx: $(PROJECT).hex
+	../../../simX/simX -a rv32i -i $(PROJECT).hex
 
 .depend: $(SRCS)
 	$(CC) $(CFLAGS) -MM $^ > .depend;

tests/runtime/hello/hello.cpp

@@ -1,20 +0,0 @@
-#include <stdio.h>
-
-struct hello {
-	int a;
-	hello()
-	{
-		a = 55;
-	}
-};
-
-hello nameing;
-
-int main()
-{
-	nameing.a = 20;
-	int b;
-	printf("Passed!\n");
-
-	return 0;
-}

tests/runtime/hello/main.cpp

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main()
+{
+	printf("Hello World!\n");
+
+	return 0;
+}