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authorLudovic Courtès <ludo@gnu.org>2015-07-17 01:07:50 +0200
committerLudovic Courtès <ludo@gnu.org>2015-07-17 01:11:06 +0200
commitee2a6304f3bcf19df895310aedff372ed7e17c34 (patch)
treea1faa13fb55276d7fbb97917657d872148acd750 /gnu/system.scm
parent2378df558a6ca9c1db889294cc08b1229720e912 (diff)
downloadguix-ee2a6304f3bcf19df895310aedff372ed7e17c34.tar.gz
system: Add 'kernel-arguments' field.
* gnu/system.scm (<operating-system>)[kernel-arguments]: New field.
  (operating-system-grub.cfg): Honor it.
  (operating-system-parameters-file): Add 'kernel-arguments' to the parameters
  file.
* guix/scripts/system.scm (previous-grub-entries)[system->grub-entry]: Read
  the 'kernel-arguments' field of the parameters file, when available.
* gnu/system/vm.scm (system-qemu-image/shared-store-script):
  Use (operating-system-kernel-arguments os) in '-append'.
* doc/guix.texi (operating-system Reference): Document it.
Diffstat (limited to 'gnu/system.scm')
-rw-r--r--gnu/system.scm16
1 files changed, 11 insertions, 5 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index efad14596a..ed37c320f7 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -68,6 +68,7 @@
             operating-system-host-name
             operating-system-hosts-file
             operating-system-kernel
+            operating-system-kernel-arguments
             operating-system-initrd
             operating-system-users
             operating-system-groups
@@ -103,6 +104,8 @@
   operating-system?
   (kernel operating-system-kernel                 ; package
           (default linux-libre))
+  (kernel-arguments operating-system-kernel-arguments
+                    (default '()))                ; list of gexps/strings
   (bootloader operating-system-bootloader)        ; <grub-configuration>
 
   (initrd operating-system-initrd                 ; (list fs) -> M derivation
@@ -866,11 +869,12 @@ listed in OS.  The C library expects to find it under
                            (label (kernel->grub-label kernel))
                            (linux kernel)
                            (linux-arguments
-                            (list (string-append "--root="
-                                                 (file-system-device root-fs))
-                                  #~(string-append "--system=" #$system)
-                                  #~(string-append "--load=" #$system
-                                                   "/boot")))
+                            (cons* (string-append "--root="
+                                                  (file-system-device root-fs))
+                                   #~(string-append "--system=" #$system)
+                                   #~(string-append "--load=" #$system
+                                                    "/boot")
+                                   (operating-system-kernel-arguments os)))
                            (initrd #~(string-append #$system "/initrd"))))))
     (grub-configuration-file (operating-system-bootloader os) entries
                              #:old-entries old-entries)))
@@ -887,6 +891,8 @@ this file is the reconstruction of GRUB menu entries for old configurations."
                                    (label #$label)
                                    (root-device #$(file-system-device root))
                                    (kernel #$(operating-system-kernel os))
+                                   (kernel-arguments
+                                    #$(operating-system-kernel-arguments os))
                                    (initrd #$initrd)))))
 
 (define (operating-system-derivation os)