bug#26339: [PATCH v2 01/12] system: Pass <bootloader-parameter> to grub.

[Mathieu Othacehe]

* gnu/system.scm (operating-system-grub.cfg): Pass <bootloader-parameter>.
* gnu/system/grub.scm (boot-parameters->menu-entry): New variable.
  (grub-configuration-file): Use boot-parameters->menu-entry.
---
 gnu/system.scm      | 11 ++++++-----
 gnu/system/grub.scm | 13 +++++++++++--
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/gnu/system.scm b/gnu/system.scm
index 89c4150f9..7c66f6088 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -742,16 +742,17 @@ populate the \"old entries\" menu."
        (root-device -> (if (eq? 'uuid (file-system-title root-fs))
                            (uuid->string (file-system-device root-fs))
                            (file-system-device root-fs)))
-       (entries ->  (list (menu-entry
+       (entries ->  (list (boot-parameters
                            (label label)
+                           (root-device root-device)
 
                            ;; The device where the kernel and initrd live.
-                           (device (fs->boot-device store-fs))
-                           (device-mount-point
+                           (store-device (fs->boot-device store-fs))
+                           (store-mount-point
                             (file-system-mount-point store-fs))
 
-                           (linux kernel)
-                           (linux-arguments
+                           (kernel kernel)
+                           (kernel-arguments
                             (cons* (string-append "--root=" root-device)
                                    #~(string-append "--system=" #$system)
                                    #~(string-append "--load=" #$system
diff --git a/gnu/system/grub.scm b/gnu/system/grub.scm
index cde4b9e23..f2838d633 100644
--- a/gnu/system/grub.scm
+++ b/gnu/system/grub.scm
@@ -267,6 +267,15 @@ code."
         (#f
          #~(format #f "search --file --set ~a" #$file)))))
 
+(define (boot-parameters->menu-entry conf)
+  (menu-entry
+   (label (boot-parameters-label conf))
+   (device (boot-parameters-store-device conf))
+   (device-mount-point (boot-parameters-store-mount-point conf))
+   (linux (boot-parameters-kernel conf))
+   (linux-arguments (boot-parameters-kernel-arguments conf))
+   (initrd (boot-parameters-initrd conf))))
+
 (define* (grub-configuration-file config entries
                                   #:key
                                   (system (%current-system))
@@ -276,7 +285,7 @@ code."
 <file-system> object.  OLD-ENTRIES is taken to be a list of menu entries
 corresponding to old generations of the system."
   (define all-entries
-    (append entries
+    (append (map boot-parameters->menu-entry entries)
             (grub-configuration-menu-entries config)))
 
   (define entry->gexp
@@ -323,7 +332,7 @@ set timeout=~a~%"
             #$@(if (pair? old-entries)
                    #~((format port "
 submenu \"GNU system, old configurations...\" {~%")
-                      #$@(map entry->gexp old-entries)
+                      #$@(map entry->gexp (map boot-parameters->menu-entry 
old-entries))
                       (format port "}~%"))
                    #~()))))
 
-- 
2.12.2