image: Add support for 32bit UEFI.

* 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>

1 files changed, 19 insertions, 0 deletions

diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index f02f6e0b8c2..5972a944d7b 100644
--- a/gnu/system/image.scm
+++ b/gnu/system/image.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2020, 2021 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 ;;; Copyright © 2022 Pavel Shlyak <p.shlyak@pantherx.org>
+;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -66,6 +67,7 @@
             root-label
 
             esp-partition
+            esp32-partition
             root-partition
 
             efi-disk-image
@@ -75,6 +77,7 @@
 
             image-with-os
             efi-raw-image-type
+            efi32-raw-image-type
             qcow2-image-type
             iso-image-type
             uncompressed-iso-image-type
@@ -110,6 +113,11 @@
    (flags '(esp))
    (initializer (gexp initialize-efi-partition))))
 
+(define esp32-partition
+  (partition
+   (inherit esp-partition)
+   (initializer (gexp initialize-efi32-partition))))
+
 (define root-partition
   (partition
    (size 'guess)
@@ -123,6 +131,11 @@
    (format 'disk-image)
    (partitions (list esp-partition root-partition))))
 
+(define efi32-disk-image
+  (image
+   (format 'disk-image)
+   (partitions (list esp32-partition root-partition))))
+
 (define iso9660-image
   (image
    (format 'iso9660)
@@ -164,6 +177,11 @@ set to the given OS."
    (name 'efi-raw)
    (constructor (cut image-with-os efi-disk-image <>))))
 
+(define efi32-raw-image-type
+  (image-type
+   (name 'efi32-raw)
+   (constructor (cut image-with-os efi32-disk-image <>))))
+
 (define qcow2-image-type
   (image-type
    (name 'qcow2)
@@ -376,6 +394,7 @@ used in the image."
                                                 #$(image-shared-store? image))
                               #:system-directory #$os
                               #:grub-efi #+grub-efi
+                              #:grub-efi32 #+grub-efi32
                               #:bootloader-package
                               #+(bootloader-package bootloader)
                               #:bootloader-installer