Thanks, Erik! I'll try it right now On Wed, Dec 17, 2008 at 2:46 PM, Erik Garrison <e...@laptop.org> wrote:
> Hi Emiliano! > > On Wed, Dec 17, 2008 at 02:22:37PM -0200, Emiliano Pastorino wrote: > > Hi everyone! > > > > We're doing some tests with firmware q2e24 but we're having trouble when > > trying to serve an unsigned build. > > As it says at http://wiki.laptop.org/go/Multicast_NAND_FLASH_Update , we > > need an fs.plc file, but we don't know > > how to generate it. > > > > Judging by the description on the afformentioned page, the fs.plc file > has the format described at > http://wiki.laptop.org/go/OFW_NAND_FLASH_Updater > > It is basically a script used by OFW during the update process to build > any partitions on the NAND and to validate the eblocks. The bulk of the > script is a bunch of sha256 digests for each 128KiB piece (erase-block, > or eblock) of the image you're flashing. You can see such scripts by > unzipping an fs.zip from one of our signed builds and examining the file > data.img. > > > Any tips? > > Ironically I just built a simple script to generate such files because > it will help us in getting your custom images ready for secure reflash. > Instructions regarding that process will be forthcoming this afternoon. > In the meantime I suspect you can resolve the NANDBlaster issue by using > the script. > > You can obtain the script from: > > git-clone git://dev.laptop.org/users/erik/image-digestor > > Run it as follows against the image file you are trying to NANDBlast: > > image-digestor.sh <image_file_name> > > After a minute or so it will produce a file called > <image_file_name>.ofw_update_script. Rename this file fs.plc, put it on > the USB alongside fs.img, and start the NANDBlaster again by following > the instructions on the Multicast NAND Updater page. > > Hopefully that resolves the issue. Please indicate if you encounter > more problems. > > Best, > Erik > -- Emiliano Pastorino LATU - Plan Ceibal Av. Italia 6201 CP: 11500, Montevideo, Uruguay Tel: (598 2) 601 3724 int.: 469
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