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image: Add support for 32bit UEFI.

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* gnu/bootloader/grub.scm (grub-efi32-bootloader): New variable.
(install-grub-efi32): New variable.
* gnu/build/bootloader.scm (install-efi): Add a 'targets' keyword
argument.
(install-efi-loader): Likewise.
* gnu/build/image.scm (initialize-efi32-partition): New procedure.
* gnu/packages/bootloaders.scm (grub-efi32): New variable.
* gnu/system/image.scm (esp32-partition): New variable
(efi32-disk-image): New variable.
(efi32-raw-image-type): New variable.
(system-disk-image)[partition-image]: Set '#:grub-efi32' when
calling the partition initializer.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
This commit is contained in:
Denis 'GNUtoo' Carikli
2022-06-17 23:18:35 -06:00
committed by Mathieu Othacehe
parent 242fad357e
commit 62c86c8391
5 changed files with 102 additions and 13 deletions
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32
gnu/bootloader/grub.scm
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@@ -8,6 +8,7 @@
;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2020 Stefan <stefan-guix@vodafonemail.de>
;;; Copyright © 2022 Karl Hallsby <karl@hallsby.com>
;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -57,6 +58,7 @@
grub-bootloader
grub-efi-bootloader
grub-efi-removable-bootloader
grub-efi32-bootloader
grub-efi-netboot-bootloader
grub-mkrescue-bootloader
grub-minimal-bootloader
@@ -636,6 +638,29 @@ fi~%"))))
"--bootloader-id=Guix"
"--efi-directory" target-esp)))))
(define install-grub-efi32
#~(lambda (bootloader efi-dir mount-point)
;; There is nothing useful to do when called in the context of a disk
;; image generation.
(when efi-dir
;; Install GRUB onto the EFI partition mounted at EFI-DIR, for the
;; system whose root is mounted at MOUNT-POINT.
(let ((grub-install (string-append bootloader "/sbin/grub-install"))
(install-dir (string-append mount-point "/boot"))
;; When installing Guix, it's common to mount EFI-DIR below
;; MOUNT-POINT rather than /boot/efi on the live image.
(target-esp (if (file-exists? (string-append mount-point efi-dir))
(string-append mount-point efi-dir)
efi-dir)))
;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or
;; root partition.
(setenv "GRUB_ENABLE_CRYPTODISK" "y")
(invoke/quiet grub-install "--boot-directory" install-dir
"--bootloader-id=Guix"
(cond ((target-x86?) "--target=i386-efi")
((target-arm?) "--target=arm-efi"))
"--efi-directory" target-esp)))))
(define (install-grub-efi-netboot subdir)
"Define a grub-efi-netboot bootloader installer for installation in SUBDIR,
which is usually efi/Guix or efi/boot."
@@ -768,6 +793,13 @@ considered for security aspects."
(name 'grub-efi-removable-bootloader)
(installer install-grub-efi-removable)))
(define grub-efi32-bootloader
(bootloader
(inherit grub-efi-bootloader)
(installer install-grub-efi32)
(name 'grub-efi32)
(package grub-efi32)))
(define grub-efi-netboot-bootloader
(bootloader
(inherit grub-efi-bootloader)