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-rw-r--r--gnu/system.scm25
1 files changed, 22 insertions, 3 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index cb7c1b0cec..37a05b270b 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -73,7 +73,7 @@
operating-system-hosts-file
operating-system-kernel
operating-system-kernel-file
- operating-system-user-kernel-arguments
+ operating-system-kernel-arguments
operating-system-initrd
operating-system-users
operating-system-groups
@@ -122,6 +122,14 @@
;;;
;;; Code:
+(define (bootable-kernel-arguments kernel-arguments system.drv root-device)
+ "Prepend extra arguments to KERNEL-ARGUMENTS that allow SYSTEM.DRV to be
+booted from ROOT-DEVICE"
+ (cons* (string-append "--root=" root-device)
+ #~(string-append "--system=" #$system.drv)
+ #~(string-append "--load=" #$system.drv "/boot")
+ kernel-arguments))
+
;; System-wide configuration.
;; TODO: Add per-field docstrings/stexi.
(define-record-type* <operating-system> operating-system
@@ -182,6 +190,13 @@
(sudoers-file operating-system-sudoers-file ; file-like
(default %sudoers-specification)))
+(define (operating-system-kernel-arguments os system.drv root-device)
+ "Return all the kernel arguments, including the ones not specified
+directly by the user."
+ (bootable-kernel-arguments (operating-system-user-kernel-arguments os)
+ system.drv
+ root-device))
+
;;;
;;; Services.
@@ -756,7 +771,9 @@ populate the \"old entries\" menu."
#~(string-append "--system=" #$system)
#~(string-append "--load=" #$system
"/boot")
- (operating-system-user-kernel-arguments os)))
+ (operating-system-kernel-arguments os
+ system
+ root-device)))
(initrd initrd)))))
(grub-configuration-file (operating-system-bootloader os) entries
#:old-entries old-entries)))
@@ -781,7 +798,9 @@ SYSTEM is optional. If given, adds kernel arguments for that system to <boot-pa
(root-device root-device)
(kernel (operating-system-kernel-file os))
(kernel-arguments
- (operating-system-user-kernel-arguments os))
+ (if system
+ (operating-system-kernel-arguments os system root-device)
+ (operating-system-user-kernel-arguments os)))
(initrd initrd)
(store-device (fs->boot-device store))
(store-mount-point (file-system-mount-point store))))))