On Tue, Jan 22, 2019 at 12:13 PM Burton, Ross <ross.bur...@intel.com> wrote: > > EFI variables should work? After doing some googling it looks promising. I just couldn't find any info how to actually do it. Also I don't know how big chunk of code is needed to access them from grub. Linux seems to have filesystem for that.
-Teemu > > Ross > > On Tue, 22 Jan 2019 at 08:20, Teemu K <maillinglist...@gmail.com> wrote: > > > > Hi, > > > > Not exactly Yocto related, but was wondering if anyone have (new) ideas > > here. > > > > I have HW that has Congate TCA-3 board with Atom E3826 processor > > running Linux and there is need to relay information from Linux to > > bootloader for next warm boot. I only need few bytes. This information > > is used to determine if to boot secondary system on device or if to > > execute factory reset etc. > > > > Any idea where/how to store the information so it'd be (somewhat) > > easily accessible in bootloader(grub)? Congatec has their own CGOS > > system, but it's way too big for this job and doesn't work outside > > Linux. I'm not entirely sure if writing to RAM is good idea ie. can it > > lose it content on reboot? > > > > Of course generic approach would be nice, but Atom E3826 specific is > > also fine atm. > > > > -TeemuK > > -- > > _______________________________________________ > > meta-intel mailing list > > meta-intel@yoctoproject.org > > https://lists.yoctoproject.org/listinfo/meta-intel -- _______________________________________________ meta-intel mailing list meta-intel@yoctoproject.org https://lists.yoctoproject.org/listinfo/meta-intel