On Fri, Feb 27, 2026 at 8:26 PM Neal Gompa <[email protected]> wrote:
> On Fri, Feb 27, 2026 at 2:45 PM Leo Sandoval <[email protected]> wrote:
> >
> > Hi Neal,
> >
> >
> > On Fri, Feb 27, 2026 at 6:00 AM Neal Gompa <[email protected]> wrote:
> >>
> >> Hey folks,
> >>
> >> I was wondering if there were plans to implement support for the "efi"
> >> command in the blscfg/blsuki module? For some reason I had thought
> >> this was implemented when the blscfg module was extended to support
> >> UKIs, but upon re-review, it isn't actually there.
> >
> >
> > The name of the command is 'uki', can you give it a try?
> >
> >
> > Just make sure that the UKI file(s) is present /boot/efi/EFI/Linux, which 
> > is what uki cmd looks
> by default but you can set other paths with the --path arg.
> >
> 
> "uki" is not the same as "efi":
> https://urldefense.com/v3/__https://uapi-
> group.org/specifications/specs/boot_loader_specification/*type-1-boot-loader-entry-
> keys__;Iw!!ACWV5N9M2RV99hQ!J68pKZiSKcPG9abNj5a2iDkXoQdvH10nm5fPE8IhUz5-6zPpYU565zNZ-
> GidK0TQbRbQ8WfqYH_ywcRYSCo$
> 
> The "uki" command implies "efi" functionality specifically for Linux kernel 
> images. "efi" is the
> generalized version of this for any EFI executable.
> 

Hey,

So the "uki" command is implemented to work similar to blscfg where it finds
The UKI files and adds them to the GRUB menu. Adding support for the "efi"
command to chainload an EFI executable should be relatively easy to add but
I'm currently caught up in some other projects at the moment. Once I get
some free time I can put together a patch for this.

Alec Brown

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