improve module tests

3 files changed, 9 insertions, 2 deletions

diff --git a/tests/projects/linux/driver/hello/Makefile b/tests/projects/linux/driver/hello/Makefile
index 0cac0535c..1d5aa92b4 100644
--- a/tests/projects/linux/driver/hello/Makefile
+++ b/tests/projects/linux/driver/hello/Makefile
@@ -1,5 +1,6 @@
 ifneq ($(KERNELRELEASE),)
-    obj-m := src/hello.o
+    obj-m := hello.o
+	hello-objs := ./src/hello.o ./src/add.o
 else
     KERN_DIR ?= /usr/src/linux-headers-5.11.0-41-generic/
     PWD := $(shell pwd)
@@ -10,4 +11,5 @@ endif
 
 clean:
 	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions
+	rm -rf src/*.o src/*~ core src/.depend src/.*.cmd src/*.ko src/*.mod.c src/.tmp_versions
 
diff --git a/tests/projects/linux/driver/hello/src/add.c b/tests/projects/linux/driver/hello/src/add.c
new file mode 100644
index 000000000..59aab4983
--- /dev/null
+++ b/tests/projects/linux/driver/hello/src/add.c
@@ -0,0 +1,3 @@
+int add(int a, int b) {
+    return a + b;
+}
diff --git a/tests/projects/linux/driver/hello/src/hello.c b/tests/projects/linux/driver/hello/src/hello.c
index 2614fb2cc..414a03bb2 100644
--- a/tests/projects/linux/driver/hello/src/hello.c
+++ b/tests/projects/linux/driver/hello/src/hello.c
@@ -6,9 +6,11 @@ MODULE_AUTHOR("Ruki");
 MODULE_DESCRIPTION("A simple Hello World Module");
 MODULE_ALIAS("a simplest module");
 
+int add(int a, int b);
+
 int hello_init(void)
 {
-    printk(KERN_INFO "Hello World\n");
+    printk(KERN_INFO "Hello World: %d\n", add(1, 2));
     return 0;
 }