Re: How searching for EFI-directory with custom-bootloader grubx64.efi?

[Pascal Hambourg]

Le 03/05/2020 à 09:38, Dernsen a écrit :
> The grubx64.efi is signed, so you can not edit it after signing and so
> it is a custom bootimage, this should work for installing on any
> amd64-efi system. So I set within grubx64.efi:
>
> set root='hd0,gpt1'
>
> set prefix=($root)'/EFI/linux'
>
> configfile $prefix/grub.cfg
>
> Usually EFI-directory is 'hd0,gpt1',

No it's not. The EFI partition may have any number, and the boot disk 
many not be hd0.

> How could grub search specificly for the EFI-directory , which has to be
> on every EFI-system?

What about $cmdpath ?