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Re: EFISTUB using UEFI directly with efibootmgr
From: |
yuu |
Subject: |
Re: EFISTUB using UEFI directly with efibootmgr |
Date: |
Thu, 04 Aug 2022 21:16:31 -0300 |
On Fri, Jul 29 2022 at 09:01:51 +00:00:00, Yuu Yin <yuuyin@proton.me>
wrote:
Is it possible to set EFISTUB using UEFI directly with efibootmgr[1]?
What to set for `--loader` (the vmlinux/vmlinuz)? and `initrd=`?
```sh
efibootmgr --help | grep loader
-l | --loader name (defaults to "\EFI\gnu\grub.efi")
```
Ansers I got from #guix:libera.chat:
> <unmatched-paren>it's probably required, since guix remakes the
grub.cfg every reconfigure
> <unmatched-paren>to add a menu entry to rollback to the previous
generation
> <nckx>It's also 'cross-platform', and doesn't require copying the
kernel.
> <unmatched-paren>and guix reinstalls grub on every reconfigure
> <nckx>(By default.)
> <unmatched-paren>Oh, yeah, I forgot it was possible to switch the
bootloader in the operating-system.
> <unmatched-paren>Okay, then, I suppose it might be possible to add
support for efibootmgr?
> <unmatched-paren>sorry, efistub
> <nckx>If somebody contributes patches for UEFI rootki^Wboot support,
sure, but it's hardly a killer feature otherwise.
> <nckx>Don't forget to add EFI_STUB to our kernels if so.
> ---https://logs.guix.gnu.org/guix/2022-07-29.log#103257
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Yuu Yin
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