Re: BIOS/GPT with bios_gub raw partition: core image is too big

[Pascal Hambourg]

Le 20/02/2021 à 12:37, moo can via Support requests for the GRand 
Unified Bootloader a écrit :
> I'm trying to use grub-mkstandalone for this BIOS/GPT computer because I need 
> supplemental Grub2 modules related to crypto, fs, as cryptomount, cryptodisk, 
> luks, gcry_sha256, gcry_sha512 and lvm, ext2 but with at_keyboard, keylayouts 
> and my keyboard layout gkb file (to type password with accented characters at 
> startup which is impossible with US keyboard layout).
> The default core.img generated with grub-install at install time include some 
> of these modules but does not include keyboard layout related modules and gkb 
> file.
>
> I have a working core.img made with grub-mkimage and deployed with 
> grub-bios-install but which is very very light so I was hoping that as I was 
> using a GPT partition with a good size to host the whole core.img and no MBR I 
> could include all module that I need. Now I understand why 1 MiB for the GPT 
> partition is more than enough.
> I made the same things for efi x86_64 laptop to generate an .efi file so I was 
> hopping to do same thing for BIOS/GPT.
> Is there any way to "bypass" this limitation or should I stick with my little 
> working core.img which is better than nothing?

Do you need to include all available modules in your core image ? Maybe 
including only modules and files you need (with the --install-modules 
option) would fit within the size limit ?