On Mon, Oct 11, 2021 at 06:53:58PM -0700, Trent Piepho wrote:
> When updating the FCB, save the location and size of the Barebox images
> into parameters on the NAND device. Since the location and padding is
> calculated based on net NAND partition size, with an unknown number of
> bad blocks, these values aren't known beforehard. Saving them will
> allow extracting or checksumming the Barebox image in NAND.
>
> For example:
> sha256sum /dev/nand0.barebox
> ${nand0.barebox.firmware1_addr}+${nand0.barebox.firmware1_size}
> memcpy -s /dev/nand0.barebox -d /mnt/mmc0.0/imagedump
> ${nand0.barebox.firmware2_addr} 0 ${nand0.barebox.firmware2_size}
As you are adding a fcb utility command anyway in the next patch, maybe
it would be more convenient for the user to add a firmware extraction
option there instead of adding these device parameters.
Sascha
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/barebox
