Le jeu. 27 mars 2025, 23:44, Alec Brown <alec.r.br...@oracle.com> a écrit :
> On Wed, Mar 26, 2025 at 5:43 AM, Vladimir 'phcoder' Serbinenko <
> phco...@gmail.com> wrote:
> >>
> >>
> >>
> >> +#ifdef GRUB_MACHINE_EFI
> >> +#include <grub/efi/efi.h>
> >> +#include <grub/efi/disk.h>
> >> +#include <grub/efi/pe32.h>
> >> +#endif
> >> +
> >>
> > Can UKI work without EFI? I think of scenario of putting e.g. EFI disk
> into
> > coreboot or BIOS machine.
>
> No UKI only works EFI systems.
>
Can GRUB parse image and get kernel and initrd out of it and load like
Linux? What prevents add doing so. This is not a problem for this patch per
se but I want to understand
>
> >>
> > What's the purpose of fallback? It's not what user/script has requested.
> It
> > needs to be at very least disableable
>
> The fallback code was from some of the old blscfg code I was working with
> and
> I added the UKI default directory. I'll add an option in case the user
> wants
> this behavior.
>
> >
> >>
> >>
> >> + }
> >> + else if (cmd_type == GRUB_UKI_CMD)
> >> + {
> >> +#ifdef GRUB_MACHINE_EFI
> >> + grub_efi_loaded_image_t *image;
> >> + image = grub_efi_get_loaded_image (grub_efi_image_handle);
> >> + devid = grub_efidisk_get_device_name (image->device_handle);
> >> +#endif
> >>
> > This uses grub image location. What about a scenario when booted from
> > external drive and I want to boot into install on primary disk?
>
> Maybe I might not understand this scenario very well, but would it be
> better
> to load the UKI directory using the "--path" option? This bit of code is
> trying to locate the EFI system partition of the default directory. I'm not
> entirely sure the best way to find the default directory if it were to be
> on
> a different drive.
>
Does --path disable default path scanning?
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