Hi Thomas, On Fri, Apr 08, 2011 at 11:18:36AM +0200, Thomas Mayer wrote: > Hi, > > to copy barebox to a mmc I use the command "dd if=barebox.bin > of=/dev/sdb bs=512 seek=2 skip=2 && sync". So I don't touch the > first 0x400 bytes with contains the partition table and everything > is fine. > > But I want to write a little script to update barebox itself via > tftp. So I create a partition "/dev/self0" (0x00000 to 0x40000) and > update barebox with "tftp barebox.bin /dev/self0". The problem is > that barebox write the first 0x400 bytes too and overwrite the > partition table . > > Is there any way to "seek" and "skip" with barebox? Not directly. What you can do is this: tftp barebox.bin memcpy -s barebox.bin -d /dev/self0 512 0 Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
