projects/guix·blob version-0.14.0 · refs

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1;;; GNU Guix --- Functional package management for GNU
2;;; Copyright © 2017 David Craven <[email protected]>
3;;; Copyright © 2017 Mathieu Othacehe <[email protected]>
4;;; Copyright © 2017 Leo Famulari <[email protected]>
5;;;
6;;; This file is part of GNU Guix.
7;;;
8;;; GNU Guix is free software; you can redistribute it and/or modify it
9;;; under the terms of the GNU General Public License as published by
10;;; the Free Software Foundation; either version 3 of the License, or (at
11;;; your option) any later version.
12;;;
13;;; GNU Guix is distributed in the hope that it will be useful, but
14;;; WITHOUT ANY WARRANTY; without even the implied warranty of
15;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16;;; GNU General Public License for more details.
17;;;
18;;; You should have received a copy of the GNU General Public License
19;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
20
21(define-module (gnu bootloader)
22 #:use-module (guix discovery)
23 #:use-module (guix records)
24 #:use-module (guix ui)
25 #:use-module (srfi srfi-1)
26 #:export (menu-entry
27 menu-entry?
28 menu-entry-label
29 menu-entry-device
30 menu-entry-linux
31 menu-entry-linux-arguments
32 menu-entry-initrd
33 menu-entry-device-mount-point
34
35 bootloader
36 bootloader?
37 bootloader-name
38 bootloader-package
39 bootloader-installer
40 bootloader-configuration-file
41 bootloader-configuration-file-generator
42
43 bootloader-configuration
44 bootloader-configuration?
45 bootloader-configuration-bootloader
46 bootloader-configuration-target
47 bootloader-configuration-menu-entries
48 bootloader-configuration-default-entry
49 bootloader-configuration-timeout
50 bootloader-configuration-theme
51 bootloader-configuration-terminal-outputs
52 bootloader-configuration-terminal-inputs
53 bootloader-configuration-serial-unit
54 bootloader-configuration-serial-speed
55 bootloader-configuration-additional-configuration
56
57 %bootloaders
58 lookup-bootloader-by-name))
59
60
61;;;
62;;; Menu-entry record.
63;;;
64
65(define-record-type* <menu-entry>
66 menu-entry make-menu-entry
67 menu-entry?
68 (label menu-entry-label)
69 (device menu-entry-device ; file system uuid, label, or #f
70 (default #f))
71 (device-mount-point menu-entry-device-mount-point
72 (default #f))
73 (linux menu-entry-linux)
74 (linux-arguments menu-entry-linux-arguments
75 (default '())) ; list of string-valued gexps
76 (initrd menu-entry-initrd)) ; file name of the initrd as a gexp
77
78
79;;;
80;;; Bootloader record.
81;;;
82
83;; The <bootloader> record contains fields expressing how the bootloader
84;; should be installed. Every bootloader in gnu/bootloader/ directory
85;; has to be described by this record.
86
87(define-record-type* <bootloader>
88 bootloader make-bootloader
89 bootloader?
90 (name bootloader-name)
91 (package bootloader-package)
92 (installer bootloader-installer)
93 (configuration-file bootloader-configuration-file)
94 (configuration-file-generator bootloader-configuration-file-generator))
95
96
97;;;
98;;; Bootloader configuration record.
99;;;
100
101;; The <bootloader-configuration> record contains bootloader independant
102;; configuration used to fill bootloader configuration file.
103
104(define-record-type* <bootloader-configuration>
105 bootloader-configuration make-bootloader-configuration
106 bootloader-configuration?
107 (bootloader bootloader-configuration-bootloader) ; <bootloader>
108 (device bootloader-configuration-device ; string
109 (default #f))
110 (target %bootloader-configuration-target ; string
111 (default #f))
112 (menu-entries bootloader-configuration-menu-entries ; list of <boot-parameters>
113 (default '()))
114 (default-entry bootloader-configuration-default-entry ; integer
115 (default 0))
116 (timeout bootloader-configuration-timeout ; seconds as integer
117 (default 5))
118 (theme bootloader-configuration-theme ; bootloader-specific theme
119 (default #f))
120 (terminal-outputs bootloader-configuration-terminal-outputs ; list of symbols
121 (default '(gfxterm)))
122 (terminal-inputs bootloader-configuration-terminal-inputs ; list of symbols
123 (default '()))
124 (serial-unit bootloader-configuration-serial-unit ; integer | #f
125 (default #f))
126 (serial-speed bootloader-configuration-serial-speed ; integer | #f
127 (default #f))
128 (additional-configuration bootloader-configuration-additional-configuration ; record
129 (default #f)))
130
131(define (bootloader-configuration-target config)
132 (or (%bootloader-configuration-target config)
133 (let ((device (bootloader-configuration-device config)))
134 (when device
135 (warning
136 (G_ "The 'device' field of bootloader configurations is deprecated.~%"))
137 (warning (G_ "Use 'target' instead.~%")))
138 device)))
139
140
141;;;
142;;; Bootloaders.
143;;;
144
145(define (bootloader-modules)
146 "Return the list of bootloader modules."
147 (all-modules (map (lambda (entry)
148 `(,entry . "gnu/bootloader"))
149 %load-path)))
150
151(define %bootloaders
152 ;; The list of publically-known bootloaders.
153 (delay (fold-module-public-variables (lambda (obj result)
154 (if (bootloader? obj)
155 (cons obj result)
156 result))
157 '()
158 (bootloader-modules))))
159
160(define (lookup-bootloader-by-name name)
161 "Return the bootloader called NAME."
162 (or (find (lambda (bootloader)
163 (eq? name (bootloader-name bootloader)))
164 (force %bootloaders))
165 (leave (G_ "~a: no such bootloader~%") name)))