linux 驱动编译


#include
/* Defines the license for this LKM */
MODULE_LICENSE("GPL");
/* Init function called on module entry */
int my_module_init( void )
{
 printk(KERN_INFO "my_module_init called. Module is now loaded.\n");
  return 0;
}
/* Cleanup function called on module exit */
void my_module_cleanup( void )
{
  printk(KERN_INFO "my_module_cleanup called. Module is now unloaded.\n");
  return;
}
/* Declare entry and exit functions */
module_init( my_module_init );
module_exit( my_module_cleanup );


编写Makefile1：

obj-m : = test.o

KERNELDIR := /lib/modules/$(shell uname -r)/build

default:

(tab键)make -C $(KERNELDIR) M=$(shell pwd) modules

install:

      insmod test.ko

uninstall:

       rmmod test.ko

clean:

       make -C $(KERNELDIR) M=$(shell pwd) clean