[meta-intel] Atom E3826 storage that survives over reboot

[Mittal, Anuj]

> -----Original Message-----
> From: meta-intel-bounces at yoctoproject.org [mailto:meta-intel-
> bounces at yoctoproject.org] On Behalf Of Teemu K
> Sent: Tuesday, January 22, 2019 07:25 PM
> To: Burton, Ross <ross.burton at intel.com>
> Cc: meta-intel at yoctoproject.org
> Subject: Re: [meta-intel] Atom E3826 storage that survives over reboot
> 
> On Tue, Jan 22, 2019 at 12:13 PM Burton, Ross <ross.burton at 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.
> 

There is a basic implementation available to set the next boot target (for systemd-boot which recognizes that specific variable) from kernel here:

https://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/lib/oeqa/controllers/masterimage.py#n162