load

一个模拟的字符驱动程序

#vi load

#!/bin/sh

# $Id: scull_load,v 1.4 2004/11/03 06:19:49 rubini Exp $

module="scull"

device="scull"

mode="664"

/sbin/insmod ./$module.ko $* || exit 1

 

# retrieve major number

major=$(awk "\$2==\"$module\" {print \$1}" /proc/devices) //254

 

rm -f /dev/${device}[0-3]

mknod /dev/${device}0 c $major 0

mknod /dev/${device}1 c $major 1

mknod /dev/${device}2 c $major 2

mknod /dev/${device}3 c $major 3

ln -sf ${device}0 /dev/${device}

chmod $mode /dev/${device}[0-3]