relayout hello example module

debug/hello/Makefile

@@ -0,0 +1,33 @@
+# Makefile
+# Comment/uncomment the following line to disable/enable debugging
+# DEBUG = y
+
+# Usage
+# make CC=<your_compiler_path> KERNELDIR=<your_kernel_dir>
+#
+# make CC=/home/zeroway/3288/src/3288_4.4/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/arm-eabi-gcc KERNELDIR=/home/zeroway/3288/src/3288_4.4/kernel
+
+# Add your debugging flag (or not) to CFLAGS
+ifeq ($(DEBUG),y)
+DEBFLAGS = -O -g -DSCULL_DEBUG # "-O" is needed to expand inlines
+else
+DEBFLAGS = -O2
+endif
+
+obj-m := hello.o
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+CC ?= gcc
+PWD := $(shell pwd)
+
+modules:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions modules.order Module.symvers
+
+depend .depend dep:
+	$(CC) $(CFLAGS) -M *.c > .depend
+
+ifeq (.depend,$(wildcard .depend))
+include .depend
+endif

debug/hello/hello.c

@@ -0,0 +1,17 @@
+#include <linux/module.h>
+#include <linux/init.h>
+
+static int __init hello_init(void)
+{
+	printk("%s, %d\n", __FUNCTION__, __LINE__);
+	return 0;
+}
+
+static void hello_exit (void)
+{
+	printk("%s, %d\n", __FUNCTION__, __LINE__);
+}
+
+module_init(hello_init);
+module_exit(hello_exit);
+MODULE_LICENSE("GPL");