[DUT Section Backup]dd function

dd function

tftp -l U-Boot -p 192.168.100.20 ( Put U-Boot file into 192.168.100.20)



tftp -r XXXX -g 192.168.100.20 ( Take U-Boot file from 192.168.100.20)

dd have two method



dd some section become abc.img

1.dd if=/dev/mtdblock0 > /tmp/0.img

2.dd if=/dev/mtdblock0 of=/tmp/0.img