驱动代码hello.c

#include 
    
     #include 
     
      static int hello_init(void){    printk(KERN_ALERT "Hello, world\n");    return 0;}static void hello_exit(void){    printk(KERN_ALERT "Goodbye, cruel world\n");}module_init(hello_init);module_exit(hello_exit);
     
    

Makefile内容

文件名必须保存为Makefile，开头大写！

ifneq ($(KERNELRELEASE),) obj-m := hello.oelsePWD  := $(shell pwd)KVER := $(shell uname -r)KDIR := /lib/modules/$(KVER)/buildall:    $(MAKE) -C $(KDIR) M=$(PWD) modulesclean:    rm -rf .*.cmd *.o *.mod.c *.ko .tmp_versionsendif