[U-Boot-Users] dd to generate image.

[Richard Genoud]

2008/3/14, Tim Chen <tim.chen.86 at gmail.com>:
> Hi,
>  I'm using dd to generate the u-boot+kernel+rootfs image.
>  I executed command like..
>  dd if=rootfs.jffs2 of=kernel.img bs=1 seek=ROOTFS_OFFSET
>  But dd is quite slow, generating a 64MB image spends about 5 minutes.
>  I have changed bs=1 to bs=1024 or bigger, but the outputted image size
>  is wrong, too big.

try dd if=rootfs.jffs2 of=kernel.img bs=ROOTFS_OFFSET seek=1

(bs is the block size and seek is counted in block size)

--
Richard Genoud - Adeneo