linux的零设备如何使用,Linux设备驱动程序学习（0）－Hello, world模块

[root@Tekkaman-Ninja Helloworld]# make modules

make -C /home/tekkaman/working/SBC2440/linux-2.6.22.2

M=/home/tekkaman/working/Linuxdriver/Helloworld modules

make[1]: Entering directory `/home/tekkaman/working/SBC2440/linux-2.6.22.2'

CC [M]  /home/tekkaman/working/Linuxdriver/Helloworld/hello.o

Building modules, stage 2.

MODPOST 1 modules

CC

/home/tekkaman/working/Linuxdriver/Helloworld/hello.mod.o

LD [M]  /home/tekkaman/working/Linuxdriver/Helloworld/hello.ko

make[1]: Leaving directory `/home/tekkaman/working/SBC2440/linux-2.6.22.2'

[root@Tekkaman-Ninja Helloworld]# make modules_install

cp hello.ko /home/tekkaman/working/rootfs/lib/modules

[root@Tekkaman-Ninja Helloworld]#