Ubuntu Linux下练驱动

Ubuntu Linux下练驱动

Makefile:

PWD = $(shell pwd)
KERNEL_SRC = /usr/src/linux-headers-2.6.32-28-generic/

obj-m := test.o
module-objs := test.o

all:
    $(MAKE) -C $(KERNEL_SRC) M=$(PWD) modules
 
clean:
    rm *.ko   rm *.o

test.c:

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
//#include <stdio.h>

static int __init test_init(void)
{
    printk("init module\n");
    return 0;
}
static void __exit test_exit(void)
{
    printk("exit modules\n");
}

module_init(test_init);
module_exit(test_exit);