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.


grub> uki --help
Usage: uki [-p|--path] DIR [-f|--enable-fallback] [-d|--show-default]
[-n|--show-non-default] [-e|--entry] FILE
Import Unified Kernel Images

-p, --path=DIR          Specify path to find UKI entries.
-f, --enable-fallback   Fallback to the default BLS path if --path fails to
find UKI entries.
-d, --show-default      Allow the default UKI entry to be added to the GRUB
menu.
-n, --show-non-default  Allow the non-default UKI entries to be added to the
GRUB menu.
-e, --entry=FILE        Allow specificUKII entries to be added to the GRUB
menu.
-h, --help              Display this help and exit.
-u, --usage             Display the usage of this command and exit.
grub>


>
> It would be useful to have this for being able to offer drop-in files
> to chainload things like memtest86+ or other EFI utilities from GRUB.
> Or even chainload another boot manager (for e.g. Windows/ReactOS or
> something else odd).
>

Right, those are all good scenarios.


>
> Thanks in advance and best regards!
>
> --
> 真実はいつも一つ!/ Always, there's only one truth!
>
>
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