Commit | Line | Data |
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0ded70f3 | 1 | ;;; GNU Guix --- Functional package management for GNU |
9512ba6b | 2 | ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> |
1ef8b72a | 3 | ;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com> |
e0b2e930 | 4 | ;;; Copyright © 2017 Leo Famulari <leo@famulari.name> |
7feefb3b | 5 | ;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com> |
6a790fe3 | 6 | ;;; Copyright © 2019, 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> |
aaffde38 | 7 | ;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com> |
536c53d3 | 8 | ;;; Copyright © 2020 Stefan <stefan-guix@vodafonemail.de> |
0ded70f3 LC |
9 | ;;; |
10 | ;;; This file is part of GNU Guix. | |
11 | ;;; | |
12 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
13 | ;;; under the terms of the GNU General Public License as published by | |
14 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
15 | ;;; your option) any later version. | |
16 | ;;; | |
17 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
18 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;;; GNU General Public License for more details. | |
21 | ;;; | |
22 | ;;; You should have received a copy of the GNU General Public License | |
23 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
24 | ||
b09a8da4 | 25 | (define-module (gnu bootloader grub) |
0ded70f3 | 26 | #:use-module (guix records) |
46c296dc | 27 | #:use-module ((guix utils) #:select (%current-system)) |
f6a7b21d | 28 | #:use-module (guix gexp) |
84dfb458 | 29 | #:use-module (gnu artwork) |
b09a8da4 | 30 | #:use-module (gnu bootloader) |
9b336338 | 31 | #:use-module (gnu system uuid) |
a5acc17a | 32 | #:use-module (gnu system file-systems) |
8d058e7b | 33 | #:use-module (gnu system keyboard) |
6a7c4636 | 34 | #:use-module (gnu packages bootloaders) |
ffde82c9 | 35 | #:autoload (gnu packages gtk) (guile-cairo guile-rsvg) |
8d058e7b | 36 | #:autoload (gnu packages xorg) (xkeyboard-config) |
0ded70f3 | 37 | #:use-module (ice-9 match) |
6b173ac0 | 38 | #:use-module (ice-9 regex) |
0ded70f3 | 39 | #:use-module (srfi srfi-1) |
6794653e | 40 | #:use-module (srfi srfi-2) |
9cdb10d5 | 41 | #:export (grub-theme |
99ae9ceb | 42 | grub-theme? |
9cdb10d5 S |
43 | grub-theme-image |
44 | grub-theme-resolution | |
99ae9ceb LC |
45 | grub-theme-color-normal |
46 | grub-theme-color-highlight | |
9cdb10d5 | 47 | grub-theme-gfxmode |
99ae9ceb | 48 | |
b09a8da4 MO |
49 | grub-bootloader |
50 | grub-efi-bootloader | |
cf189709 | 51 | grub-mkrescue-bootloader |
6a790fe3 | 52 | grub-minimal-bootloader |
d5b429ab | 53 | |
b09a8da4 | 54 | grub-configuration)) |
0ded70f3 LC |
55 | |
56 | ;;; Commentary: | |
57 | ;;; | |
58 | ;;; Configuration of GNU GRUB. | |
59 | ;;; | |
60 | ;;; Code: | |
61 | ||
e7b86a0d MC |
62 | (define* (normalize-file file mount-point store-directory-prefix) |
63 | "Strip MOUNT-POINT and prepend STORE-DIRECTORY-PREFIX, if any, to FILE, a | |
b460ba79 MC |
64 | G-expression or other lowerable object denoting a file name." |
65 | ||
66 | (define (strip-mount-point mount-point file) | |
67 | (if mount-point | |
68 | (if (string=? mount-point "/") | |
69 | file | |
70 | #~(let ((file #$file)) | |
71 | (if (string-prefix? #$mount-point file) | |
72 | (substring #$file #$(string-length mount-point)) | |
73 | file))) | |
74 | file)) | |
75 | ||
e7b86a0d MC |
76 | (define (prepend-store-directory-prefix store-directory-prefix file) |
77 | (if store-directory-prefix | |
78 | #~(string-append #$store-directory-prefix #$file) | |
b460ba79 MC |
79 | file)) |
80 | ||
e7b86a0d MC |
81 | (prepend-store-directory-prefix store-directory-prefix |
82 | (strip-mount-point mount-point file))) | |
b460ba79 MC |
83 | |
84 | ||
0f65f54e | 85 | |
99ae9ceb | 86 | (define-record-type* <grub-theme> |
9cdb10d5 | 87 | ;; Default theme contributed by Felipe López. |
99ae9ceb LC |
88 | grub-theme make-grub-theme |
89 | grub-theme? | |
9cdb10d5 S |
90 | (image grub-theme-image |
91 | (default (file-append %artwork-repository | |
92 | "/grub/GuixSD-fully-black-4-3.svg"))) | |
93 | (resolution grub-theme-resolution | |
94 | (default '(1024 . 768))) | |
99ae9ceb | 95 | (color-normal grub-theme-color-normal |
9cdb10d5 | 96 | (default '((fg . light-gray) (bg . black)))) |
99ae9ceb | 97 | (color-highlight grub-theme-color-highlight |
9cdb10d5 S |
98 | (default '((fg . yellow) (bg . black)))) |
99 | (gfxmode grub-theme-gfxmode | |
f52fe7c3 | 100 | (default '("auto")))) ;list of string |
99ae9ceb | 101 | |
99ae9ceb LC |
102 | \f |
103 | ;;; | |
104 | ;;; Background image & themes. | |
105 | ;;; | |
106 | ||
b09a8da4 | 107 | (define (bootloader-theme config) |
9cdb10d5 | 108 | "Return user defined theme in CONFIG if defined or a default theme |
b09a8da4 | 109 | otherwise." |
9cdb10d5 | 110 | (or (bootloader-configuration-theme config) (grub-theme))) |
b09a8da4 | 111 | |
9cdb10d5 S |
112 | (define* (image->png image #:key width height) |
113 | "Build a PNG of HEIGHT x WIDTH from IMAGE if its file suffix is \".svg\". | |
114 | Otherwise the picture in IMAGE is just copied." | |
46c296dc LC |
115 | (computed-file "grub-image.png" |
116 | (with-imported-modules '((gnu build svg)) | |
117 | (with-extensions (list guile-rsvg guile-cairo) | |
9cdb10d5 S |
118 | #~(if (string-suffix? ".svg" #+image) |
119 | (begin | |
120 | (use-modules (gnu build svg)) | |
121 | (svg->png #+image #$output | |
122 | #:width #$width | |
123 | #:height #$height)) | |
124 | (copy-file #+image #$output)))))) | |
125 | ||
126 | (define* (grub-background-image config) | |
127 | "Return the GRUB background image defined in CONFIG or #f if none was found. | |
128 | If the suffix of the image file is \".svg\", then it is converted into a PNG | |
129 | file with the resolution provided in CONFIG." | |
130 | (let* ((theme (bootloader-theme config)) | |
131 | (image (grub-theme-image theme))) | |
46c296dc | 132 | (and image |
9cdb10d5 S |
133 | (match (grub-theme-resolution theme) |
134 | (((? number? width) . (? number? height)) | |
135 | (image->png image #:width width #:height height)) | |
136 | (_ #f))))) | |
99ae9ceb | 137 | |
1ef8b72a | 138 | (define* (eye-candy config store-device store-mount-point |
536c53d3 | 139 | #:key store-directory-prefix port) |
b460ba79 MC |
140 | "Return a gexp that writes to PORT (a port-valued gexp) the 'grub.cfg' part |
141 | concerned with graphics mode, background images, colors, and all that. | |
142 | STORE-DEVICE designates the device holding the store, and STORE-MOUNT-POINT is | |
143 | its mount point; these are used to determine where the background image and | |
536c53d3 S |
144 | fonts must be searched for. STORE-DIRECTORY-PREFIX is a directory prefix to |
145 | prepend to any store file name." | |
e0b2e930 | 146 | (define (setup-gfxterm config font-file) |
b09a8da4 | 147 | (if (memq 'gfxterm (bootloader-configuration-terminal-outputs config)) |
536c53d3 S |
148 | #~(format #f " |
149 | if loadfont ~a; then | |
150 | set gfxmode=~a | |
151 | insmod all_video | |
152 | insmod gfxterm | |
153 | fi~%" | |
154 | #$font-file | |
155 | #$(string-join | |
156 | (grub-theme-gfxmode (bootloader-theme config)) | |
157 | ";")) | |
b09a8da4 | 158 | "")) |
e0b2e930 | 159 | |
99ae9ceb | 160 | (define (theme-colors type) |
b09a8da4 | 161 | (let* ((theme (bootloader-theme config)) |
99ae9ceb LC |
162 | (colors (type theme))) |
163 | (string-append (symbol->string (assoc-ref colors 'fg)) "/" | |
164 | (symbol->string (assoc-ref colors 'bg))))) | |
165 | ||
6b779207 | 166 | (define font-file |
b460ba79 MC |
167 | (normalize-file (file-append grub "/share/grub/unicode.pf2") |
168 | store-mount-point | |
e7b86a0d | 169 | store-directory-prefix)) |
6b779207 | 170 | |
46c296dc | 171 | (define image |
b460ba79 MC |
172 | (normalize-file (grub-background-image config) |
173 | store-mount-point | |
e7b86a0d | 174 | store-directory-prefix)) |
46c296dc LC |
175 | |
176 | (and image | |
177 | #~(format #$port " | |
ccc2678b | 178 | # Set 'root' to the partition that contains /gnu/store. |
6b779207 | 179 | ~a |
ccc2678b | 180 | |
e0b2e930 LF |
181 | ~a |
182 | ~a | |
99ae9ceb LC |
183 | |
184 | insmod png | |
185 | if background_image ~a; then | |
186 | set color_normal=~a | |
187 | set color_highlight=~a | |
188 | else | |
189 | set menu_color_normal=cyan/blue | |
190 | set menu_color_highlight=white/blue | |
191 | fi~%" | |
46c296dc LC |
192 | #$(grub-root-search store-device font-file) |
193 | #$(setup-gfxterm config font-file) | |
194 | #$(grub-setup-io config) | |
6b779207 | 195 | |
b460ba79 | 196 | #$image |
46c296dc LC |
197 | #$(theme-colors grub-theme-color-normal) |
198 | #$(theme-colors grub-theme-color-highlight)))) | |
99ae9ceb LC |
199 | |
200 | \f | |
201 | ;;; | |
202 | ;;; Configuration file. | |
203 | ;;; | |
204 | ||
8d058e7b LC |
205 | (define* (keyboard-layout-file layout |
206 | #:key | |
207 | (grub grub)) | |
208 | "Process the X keyboard layout description LAYOUT, a <keyboard-layout> record, | |
209 | and return a file in the format for GRUB keymaps. LAYOUT must be present in | |
210 | the 'share/X11/xkb/symbols/' directory of 'xkeyboard-config'." | |
211 | (define builder | |
212 | (with-imported-modules '((guix build utils)) | |
213 | #~(begin | |
214 | (use-modules (guix build utils)) | |
215 | ||
216 | ;; 'grub-kbdcomp' passes all its arguments but '-o' to 'ckbcomp' | |
217 | ;; (from the 'console-setup' package). | |
8cf7dd24 | 218 | (invoke #+(file-append grub "/bin/grub-mklayout") |
8d058e7b LC |
219 | "-i" #+(keyboard-layout->console-keymap layout) |
220 | "-o" #$output)))) | |
221 | ||
2729cb40 LC |
222 | (computed-file (string-append "grub-keymap." |
223 | (string-map (match-lambda | |
224 | (#\, #\-) | |
225 | (chr chr)) | |
226 | (keyboard-layout-name layout))) | |
8d058e7b LC |
227 | builder)) |
228 | ||
e0b2e930 LF |
229 | (define (grub-setup-io config) |
230 | "Return GRUB commands to configure the input / output interfaces. The result | |
231 | is a string that can be inserted in grub.cfg." | |
232 | (let* ((symbols->string (lambda (list) | |
233 | (string-join (map symbol->string list) " "))) | |
b09a8da4 MO |
234 | (outputs (bootloader-configuration-terminal-outputs config)) |
235 | (inputs (bootloader-configuration-terminal-inputs config)) | |
236 | (unit (bootloader-configuration-serial-unit config)) | |
237 | (speed (bootloader-configuration-serial-speed config)) | |
e0b2e930 LF |
238 | |
239 | ;; Respectively, GRUB_TERMINAL_OUTPUT and GRUB_TERMINAL_INPUT, | |
240 | ;; as documented in GRUB manual section "Simple Configuration | |
241 | ;; Handling". | |
242 | (valid-outputs '(console serial serial_0 serial_1 serial_2 serial_3 | |
243 | gfxterm vga_text mda_text morse spkmodem)) | |
244 | (valid-inputs '(console serial serial_0 serial_1 serial_2 serial_3 | |
245 | at_keyboard usb_keyboard)) | |
246 | ||
247 | (io (string-append | |
248 | "terminal_output " | |
249 | (symbols->string | |
250 | (map | |
251 | (lambda (output) | |
252 | (if (memq output valid-outputs) output #f)) outputs)) "\n" | |
253 | (if (null? inputs) | |
254 | "" | |
255 | (string-append | |
256 | "terminal_input " | |
257 | (symbols->string | |
258 | (map | |
259 | (lambda (input) | |
260 | (if (memq input valid-inputs) input #f)) inputs)) "\n")) | |
261 | ;; UNIT and SPEED are arguments to the same GRUB command | |
262 | ;; ("serial"), so we process them together. | |
263 | (if (or unit speed) | |
264 | (string-append | |
265 | "serial" | |
266 | (if unit | |
267 | ;; COM ports 1 through 4 | |
268 | (if (and (exact-integer? unit) (<= unit 3) (>= unit 0)) | |
269 | (string-append " --unit=" (number->string unit)) | |
270 | #f) | |
271 | "") | |
272 | (if speed | |
273 | (if (exact-integer? speed) | |
274 | (string-append " --speed=" (number->string speed)) | |
275 | #f) | |
276 | "")) | |
277 | "")))) | |
278 | (format #f "~a" io))) | |
279 | ||
1ef8b72a CM |
280 | (define (grub-root-search device file) |
281 | "Return the GRUB 'search' command to look for DEVICE, which contains FILE, | |
6b779207 LC |
282 | a gexp. The result is a gexp that can be inserted in the grub.cfg-generation |
283 | code." | |
5babe521 LC |
284 | ;; Usually FILE is a file name gexp like "/gnu/store/…-linux/vmlinuz", but |
285 | ;; it can also be something like "(hd0,msdos1)/vmlinuz" in the case of | |
286 | ;; custom menu entries. In the latter case, don't emit a 'search' command. | |
287 | (if (and (string? file) (not (string-prefix? "/" file))) | |
288 | "" | |
1ef8b72a CM |
289 | (match device |
290 | ;; Preferably refer to DEVICE by its UUID or label. This is more | |
ecc4324f | 291 | ;; efficient and less ambiguous, see <http://bugs.gnu.org/22281>. |
9b336338 | 292 | ((? uuid? uuid) |
5babe521 | 293 | (format #f "search --fs-uuid --set ~a" |
1ef8b72a | 294 | (uuid->string device))) |
a5acc17a LC |
295 | ((? file-system-label? label) |
296 | (format #f "search --label --set ~a" | |
297 | (file-system-label->string label))) | |
298 | ((or #f (? string?)) | |
5babe521 | 299 | #~(format #f "search --file --set ~a" #$file))))) |
6b779207 | 300 | |
1ef8b72a | 301 | (define* (grub-configuration-file config entries |
fe6e3fe2 LC |
302 | #:key |
303 | (system (%current-system)) | |
b460ba79 | 304 | (old-entries '()) |
e7b86a0d | 305 | store-directory-prefix) |
d5b429ab | 306 | "Return the GRUB configuration file corresponding to CONFIG, a |
b09a8da4 | 307 | <bootloader-configuration> object, and where the store is available at |
e7b86a0d MC |
308 | STORE-FS, a <file-system> object. OLD-ENTRIES is taken to be a list of menu |
309 | entries corresponding to old generations of the system. | |
310 | STORE-DIRECTORY-PREFIX may be used to specify a store prefix, as is required | |
311 | when booting a root file system on a Btrfs subvolume." | |
d5b429ab | 312 | (define all-entries |
1975c754 DM |
313 | (append entries (bootloader-configuration-menu-entries config))) |
314 | (define (menu-entry->gexp entry) | |
1244491a JN |
315 | (let ((label (menu-entry-label entry)) |
316 | (linux (menu-entry-linux entry)) | |
317 | (device (menu-entry-device entry)) | |
318 | (device-mount-point (menu-entry-device-mount-point entry))) | |
319 | (if linux | |
320 | (let ((arguments (menu-entry-linux-arguments entry)) | |
321 | (linux (normalize-file linux | |
322 | device-mount-point | |
323 | store-directory-prefix)) | |
324 | (initrd (normalize-file (menu-entry-initrd entry) | |
325 | device-mount-point | |
326 | store-directory-prefix))) | |
327 | ;; Here DEVICE is the store and DEVICE-MOUNT-POINT is its mount point. | |
328 | ;; Use the right file names for LINUX and INITRD in case | |
329 | ;; DEVICE-MOUNT-POINT is not "/", meaning that the store is on a | |
330 | ;; separate partition. | |
331 | ||
332 | ;; When BTRFS-SUBVOLUME-FILE-NAME is defined, prepend it the linux and | |
333 | ;; initrd paths, to allow booting from a Btrfs subvolume. | |
334 | #~(format port "menuentry ~s { | |
6b779207 | 335 | ~a |
44d5f54e | 336 | linux ~a ~a |
d9f0a237 | 337 | initrd ~a |
0ded70f3 | 338 | }~%" |
1244491a JN |
339 | #$label |
340 | #$(grub-root-search device linux) | |
341 | #$linux (string-join (list #$@arguments)) | |
342 | #$initrd)) | |
343 | (let ((kernel (menu-entry-multiboot-kernel entry)) | |
344 | (arguments (menu-entry-multiboot-arguments entry)) | |
345 | (modules (menu-entry-multiboot-modules entry)) | |
346 | (root-index 1)) ; XXX EFI will need root-index 2 | |
347 | #~(format port " | |
348 | menuentry ~s { | |
349 | multiboot ~a root=device:hd0s~a~a~a | |
350 | }~%" | |
351 | #$label | |
352 | #$kernel | |
353 | #$root-index (string-join (list #$@arguments) " " 'prefix) | |
354 | (string-join (map string-join '#$modules) | |
355 | "\n module " 'prefix)))))) | |
356 | ||
357 | (define (sugar) | |
358 | (let* ((entry (first all-entries)) | |
359 | (device (menu-entry-device entry)) | |
360 | (mount-point (menu-entry-device-mount-point entry))) | |
361 | (eye-candy config | |
362 | device | |
363 | mount-point | |
364 | #:store-directory-prefix store-directory-prefix | |
1244491a | 365 | #:port #~port))) |
46c296dc | 366 | |
8d058e7b | 367 | (define keyboard-layout-config |
b460ba79 MC |
368 | (let* ((layout (bootloader-configuration-keyboard-layout config)) |
369 | (grub (bootloader-package | |
370 | (bootloader-configuration-bootloader config))) | |
371 | (keymap* (and layout | |
372 | (keyboard-layout-file layout #:grub grub))) | |
373 | (keymap (and keymap* | |
e7b86a0d MC |
374 | (if store-directory-prefix |
375 | #~(string-append #$store-directory-prefix | |
b460ba79 MC |
376 | #$keymap*) |
377 | keymap*)))) | |
378 | #~(when #$keymap | |
379 | (format port "\ | |
8d058e7b | 380 | insmod keylayouts |
b460ba79 | 381 | keymap ~a~%" #$keymap)))) |
8d058e7b | 382 | |
46c296dc LC |
383 | (define builder |
384 | #~(call-with-output-file #$output | |
385 | (lambda (port) | |
386 | (format port | |
59e80445 | 387 | "# This file was generated from your Guix configuration. Any changes |
fdf14c64 JD |
388 | # will be lost upon reconfiguration. |
389 | ") | |
1244491a | 390 | #$(sugar) |
8d058e7b | 391 | #$keyboard-layout-config |
46c296dc | 392 | (format port " |
f6a7b21d | 393 | set default=~a |
6c777cf8 | 394 | set timeout=~a~%" |
46c296dc LC |
395 | #$(bootloader-configuration-default-entry config) |
396 | #$(bootloader-configuration-timeout config)) | |
397 | #$@(map menu-entry->gexp all-entries) | |
99ae9ceb | 398 | |
46c296dc LC |
399 | #$@(if (pair? old-entries) |
400 | #~((format port " | |
fe6e3fe2 | 401 | submenu \"GNU system, old configurations...\" {~%") |
46c296dc LC |
402 | #$@(map menu-entry->gexp old-entries) |
403 | (format port "}~%")) | |
b0d09586 BW |
404 | #~()) |
405 | (format port " | |
406 | if [ \"${grub_platform}\" == efi ]; then | |
407 | menuentry \"Firmware setup\" { | |
408 | fwsetup | |
409 | } | |
410 | fi~%")))) | |
0ded70f3 | 411 | |
9512ba6b LC |
412 | ;; Since this file is rather unique, there's no point in trying to |
413 | ;; substitute it. | |
414 | (computed-file "grub.cfg" builder | |
415 | #:options '(#:local-build? #t | |
416 | #:substitutable? #f))) | |
0ded70f3 | 417 | |
b09a8da4 MO |
418 | \f |
419 | ||
420 | ;;; | |
421 | ;;; Install procedures. | |
422 | ;;; | |
423 | ||
424 | (define install-grub | |
425 | #~(lambda (bootloader device mount-point) | |
b09a8da4 MO |
426 | (let ((grub (string-append bootloader "/sbin/grub-install")) |
427 | (install-dir (string-append mount-point "/boot"))) | |
7e6a42f2 MO |
428 | ;; Install GRUB on DEVICE which is mounted at MOUNT-POINT. If DEVICE |
429 | ;; is #f, then we populate the disk-image rooted at MOUNT-POINT. | |
430 | (if device | |
431 | (begin | |
432 | ;; Tell 'grub-install' that there might be a LUKS-encrypted | |
433 | ;; /boot or root partition. | |
434 | (setenv "GRUB_ENABLE_CRYPTODISK" "y") | |
435 | ||
436 | ;; Hide potentially confusing messages from the user, such as | |
437 | ;; "Installing for i386-pc platform." | |
438 | (invoke/quiet grub "--no-floppy" "--target=i386-pc" | |
439 | "--boot-directory" install-dir | |
440 | device)) | |
441 | ;; When creating a disk-image, only install GRUB modules. | |
442 | (copy-recursively (string-append bootloader "/lib/") | |
443 | install-dir))))) | |
2941b347 | 444 | |
7feefb3b MO |
445 | (define install-grub-disk-image |
446 | #~(lambda (bootloader root-index image) | |
447 | ;; Install GRUB on the given IMAGE. The root partition index is | |
448 | ;; ROOT-INDEX. | |
449 | (let ((grub-mkimage | |
450 | (string-append bootloader "/bin/grub-mkimage")) | |
451 | (modules '("biosdisk" "part_msdos" "fat" "ext2")) | |
452 | (grub-bios-setup | |
453 | (string-append bootloader "/sbin/grub-bios-setup")) | |
454 | (root-device (format #f "hd0,msdos~a" root-index)) | |
455 | (boot-img (string-append bootloader "/lib/grub/i386-pc/boot.img")) | |
456 | (device-map "device.map")) | |
457 | ||
458 | ;; Create a minimal, standalone GRUB image that will be written | |
459 | ;; directly in the MBR-GAP (space between the end of the MBR and the | |
460 | ;; first partition). | |
461 | (apply invoke grub-mkimage | |
462 | "-O" "i386-pc" | |
463 | "-o" "core.img" | |
464 | "-p" (format #f "(~a)/boot/grub" root-device) | |
465 | modules) | |
466 | ||
467 | ;; Create a device mapping file. | |
468 | (call-with-output-file device-map | |
469 | (lambda (port) | |
470 | (format port "(hd0) ~a~%" image))) | |
471 | ||
472 | ;; Copy the default boot.img, that will be written on the MBR sector | |
473 | ;; by GRUB-BIOS-SETUP. | |
474 | (copy-file boot-img "boot.img") | |
475 | ||
476 | ;; Install both the "boot.img" and the "core.img" files on the given | |
477 | ;; IMAGE. On boot, the MBR sector will execute the minimal GRUB | |
478 | ;; written in the MBR-GAP. GRUB configuration and missing modules will | |
479 | ;; be read from ROOT-DEVICE. | |
480 | (invoke grub-bios-setup | |
481 | "-m" device-map | |
482 | "-r" root-device | |
483 | "-d" "." | |
484 | image)))) | |
485 | ||
2941b347 AW |
486 | (define install-grub-efi |
487 | #~(lambda (bootloader efi-dir mount-point) | |
488 | ;; Install GRUB onto the EFI partition mounted at EFI-DIR, for the | |
489 | ;; system whose root is mounted at MOUNT-POINT. | |
490 | (let ((grub-install (string-append bootloader "/sbin/grub-install")) | |
aa5a549c | 491 | (install-dir (string-append mount-point "/boot")) |
59e80445 | 492 | ;; When installing Guix, it's common to mount EFI-DIR below |
aa5a549c MB |
493 | ;; MOUNT-POINT rather than /boot/efi on the live image. |
494 | (target-esp (if (file-exists? (string-append mount-point efi-dir)) | |
495 | (string-append mount-point efi-dir) | |
496 | efi-dir))) | |
2941b347 AW |
497 | ;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or |
498 | ;; root partition. | |
499 | (setenv "GRUB_ENABLE_CRYPTODISK" "y") | |
21fcfe1e LC |
500 | (invoke/quiet grub-install "--boot-directory" install-dir |
501 | "--bootloader-id=Guix" | |
502 | "--efi-directory" target-esp)))) | |
b09a8da4 MO |
503 | |
504 | \f | |
505 | ||
506 | ;;; | |
507 | ;;; Bootloader definitions. | |
508 | ;;; | |
509 | ||
510 | (define grub-bootloader | |
511 | (bootloader | |
512 | (name 'grub) | |
513 | (package grub) | |
514 | (installer install-grub) | |
7feefb3b | 515 | (disk-image-installer install-grub-disk-image) |
b09a8da4 MO |
516 | (configuration-file "/boot/grub/grub.cfg") |
517 | (configuration-file-generator grub-configuration-file))) | |
518 | ||
7202895e | 519 | (define* grub-minimal-bootloader |
6a790fe3 | 520 | (bootloader |
7202895e MO |
521 | (inherit grub-bootloader) |
522 | (package grub-minimal))) | |
6a790fe3 | 523 | |
b09a8da4 MO |
524 | (define* grub-efi-bootloader |
525 | (bootloader | |
526 | (inherit grub-bootloader) | |
2941b347 | 527 | (installer install-grub-efi) |
7feefb3b | 528 | (disk-image-installer #f) |
b09a8da4 MO |
529 | (name 'grub-efi) |
530 | (package grub-efi))) | |
531 | ||
cf189709 DM |
532 | (define* grub-mkrescue-bootloader |
533 | (bootloader | |
534 | (inherit grub-efi-bootloader) | |
535 | (package grub-hybrid))) | |
536 | ||
b09a8da4 MO |
537 | \f |
538 | ;;; | |
539 | ;;; Compatibility macros. | |
540 | ;;; | |
541 | ||
542 | (define-syntax grub-configuration | |
543 | (syntax-rules (grub) | |
544 | ((_ (grub package) fields ...) | |
545 | (if (eq? package grub) | |
546 | (bootloader-configuration | |
547 | (bootloader grub-bootloader) | |
548 | fields ...) | |
549 | (bootloader-configuration | |
550 | (bootloader grub-efi-bootloader) | |
551 | fields ...))) | |
552 | ((_ fields ...) | |
553 | (bootloader-configuration | |
554 | (bootloader grub-bootloader) | |
555 | fields ...)))) | |
556 | ||
0ded70f3 | 557 | ;;; grub.scm ends here |