5.2.5.用开发板来调试模块

set gatewapip 192.168.1.1
tftp下载zImage
set bootcmd 'tftp 0x30008000 zImage;bootm 0x30008000'
nfs方式挂载rootfs
setenv bootargs root=/dev/nfs nfsroot=192.168.1.141:/root/porting_x210/rootfs/rootfs ip=192.168.1.10:192.168.1.141:192.168.1.1:255.255.255.0::eth0:off init=/linuxrc console=ttySAC2,115200

将自己编译好的驱动.ko文件放入nfs共享目录下去
[root@aston210 ]# mkdir driver_test

cd /root/winshare/driver/5.2.1
make cp
ls /root/porting_x210/rootfs/rootfs/driver_test

开发板启动后使用insmod、rmmod、lsmod等去进行模块实验

cd driver_test

modinfo module_test.ko

modinfo: can't open '/lib/modules/2.6.35.7/modules.dep': No such file or directory

lsmod

Module Size Used by Not tainted

insmod module_test.ko

[ 532.837882] chrdev_init

lsmod

Module Size Used by Not tainted
module_test 548 0

rmmod module_test.ko

[ 621.598832] chrdev_exit

dmesg

cat /proc/sys/kernel/printk

7 4 1 7