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-rw-r--r--gnu/bootloader.scm34
-rw-r--r--gnu/system.scm15
2 files changed, 49 insertions, 0 deletions
diff --git a/gnu/bootloader.scm b/gnu/bootloader.scm
index 909036042f..01bdd4acaa 100644
--- a/gnu/bootloader.scm
+++ b/gnu/bootloader.scm
@@ -2,6 +2,7 @@
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -23,6 +24,7 @@
#:use-module (guix records)
#:use-module (guix ui)
#:use-module (srfi srfi-1)
+ #:use-module (ice-9 match)
#:export (menu-entry
menu-entry?
menu-entry-label
@@ -32,6 +34,9 @@
menu-entry-initrd
menu-entry-device-mount-point
+ menu-entry->sexp
+ sexp->menu-entry
+
bootloader
bootloader?
bootloader-name
@@ -76,6 +81,35 @@
(default '())) ; list of string-valued gexps
(initrd menu-entry-initrd)) ; file name of the initrd as a gexp
+(define (menu-entry->sexp entry)
+ "Return ENTRY serialized as an sexp."
+ (match entry
+ (($ <menu-entry> label device mount-point linux linux-arguments initrd)
+ `(menu-entry (version 0)
+ (label ,label)
+ (device ,device)
+ (device-mount-point ,mount-point)
+ (linux ,linux)
+ (linux-arguments ,linux-arguments)
+ (initrd ,initrd)))))
+
+(define (sexp->menu-entry sexp)
+ "Turn SEXP, an sexp as returned by 'menu-entry->sexp', into a <menu-entry>
+record."
+ (match sexp
+ (('menu-entry ('version 0)
+ ('label label) ('device device)
+ ('device-mount-point mount-point)
+ ('linux linux) ('linux-arguments linux-arguments)
+ ('initrd initrd) _ ...)
+ (menu-entry
+ (label label)
+ (device device)
+ (device-mount-point mount-point)
+ (linux linux)
+ (linux-arguments linux-arguments)
+ (initrd initrd)))))
+
;;;
;;; Bootloader record.
diff --git a/gnu/system.scm b/gnu/system.scm
index 01be1243fe..c860c22433 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -116,6 +116,7 @@
boot-parameters-label
boot-parameters-root-device
boot-parameters-bootloader-name
+ boot-parameters-bootloader-menu-entries
boot-parameters-store-device
boot-parameters-store-mount-point
boot-parameters-kernel
@@ -251,6 +252,8 @@ directly by the user."
;; OS's root file system, so it might be a device path like "/dev/sda3".
(root-device boot-parameters-root-device)
(bootloader-name boot-parameters-bootloader-name)
+ (bootloader-menu-entries ;list of <menu-entry>
+ boot-parameters-bootloader-menu-entries)
(store-device boot-parameters-store-device)
(store-mount-point boot-parameters-store-mount-point)
(kernel boot-parameters-kernel)
@@ -297,6 +300,11 @@ file system labels."
((_ args) args)
(#f 'grub))) ; for compatibility reasons.
+ (bootloader-menu-entries
+ (match (assq 'bootloader-menu-entries rest)
+ ((_ entries) (map sexp->menu-entry entries))
+ (#f '())))
+
;; In the past, we would store the directory name of the kernel instead
;; of the absolute file name of its image. Detect that and correct it.
(kernel (if (string=? linux (direct-store-path linux))
@@ -1005,6 +1013,8 @@ such as '--root' and '--load' to <boot-parameters>."
(operating-system-user-kernel-arguments os)))
(initrd initrd)
(bootloader-name bootloader-name)
+ (bootloader-menu-entries
+ (bootloader-configuration-menu-entries (operating-system-bootloader os)))
(store-device (ensure-not-/dev (file-system-device store)))
(store-mount-point (file-system-mount-point store)))))
@@ -1046,6 +1056,11 @@ being stored into the \"parameters\" file)."
#$(boot-parameters-kernel-arguments params))
(initrd #$(boot-parameters-initrd params))
(bootloader-name #$(boot-parameters-bootloader-name params))
+ (bootloader-menu-entries
+ #$(map menu-entry->sexp
+ (or (and=> (operating-system-bootloader os)
+ bootloader-configuration-menu-entries)
+ '())))
(store
(device
#$(device->sexp (boot-parameters-store-device params)))