Add tests files

test/riscv_instructions/.gitignore

@@ -1,5 +1,6 @@
 *
 !.gitignore
 !*.c
+!*/
 !*.md
 !**/Makefile

test/riscv_instructions/Makefile

@@ -2,18 +2,22 @@ build:
 	make build -C boolean_logic/
 	make build -C jump_instructions/
 	make build -C simple_arithmetics/
+	make build -C syscall_tests/
 
 dumps:
 	make dumps -C boolean_logic/
 	make dumps -C jump_instructions/
 	make dumps -C simple_arithmetics/
+	make dumps -C syscall_tests/
 
 tests:
 	make tests -C boolean_logic/
 	make tests -C jump_instructions/
 	make tests -C simple_arithmetics/
+	make tests -C syscall_tests/
 
 clean:
 	$(MAKE) clean -C boolean_logic/
 	$(MAKE) clean -C jump_instructions/
 	$(MAKE) clean -C simple_arithmetics/
+	$(MAKE) clean -C syscall_tests/

test/riscv_instructions/syscall_tests/Makefile

@@ -0,0 +1,16 @@
+
+PROGRAMS = halt prints
+
+build: $(PROGRAMS)
+
+dumps: halt.dump prints.dump
+
+tests: halt.guac prints.guac
+
+clean:
+	$(RM) halt.o halt prints prints.o 
+
+TOPDIR = ../..
+include $(TOPDIR)/Makefile.tests
+
+$(PROGRAMS): % : $(USERLIB)/sys.o $(USERLIB)/libnachos.o %.o

test/riscv_instructions/syscall_tests/halt.c

@@ -0,0 +1,7 @@
+
+#include "userlib/syscall.h"
+
+int main() {
+    Shutdown();
+    return 0;
+}

test/riscv_instructions/syscall_tests/prints.c

@@ -0,0 +1,10 @@
+#include "userlib/syscall.h"
+#include "userlib/libnachos.h"
+
+int main() {
+    n_printf("Hello World 1");
+    n_printf("Hello World 2");
+    n_printf("Hello World 3");
+    n_printf("Hello World 4");
+    return 0;
+}