;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017 David Craven <david@craven.ch> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> ;;; Copyright © 2017 Leo Famulari <leo@famulari.name> ;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu bootloader) #:use-module (guix discovery) #:use-module (guix records) #:use-module (guix ui) #:use-module (srfi srfi-1) #:use-module (ice-9 match) #:export (menu-entry menu-entry? menu-entry-label menu-entry-device menu-entry-linux menu-entry-linux-arguments menu-entry-initrd menu-entry-device-mount-point menu-entry->sexp sexp->menu-entry bootloader bootloader? bootloader-name bootloader-package bootloader-installer bootloader-configuration-file bootloader-configuration-file-generator bootloader-configuration bootloader-configuration? bootloader-configuration-bootloader bootloader-configuration-target bootloader-configuration-menu-entries bootloader-configuration-default-entry bootloader-configuration-timeout bootloader-configuration-keyboard-layout bootloader-configuration-theme bootloader-configuration-terminal-outputs bootloader-configuration-terminal-inputs bootloader-configuration-serial-unit bootloader-configuration-serial-speed bootloader-configuration-additional-configuration %bootloaders lookup-bootloader-by-name)) ;;; ;;; Menu-entry record. ;;; (define-record-type* <menu-entry> menu-entry make-menu-entry menu-entry? (label menu-entry-label) (device menu-entry-device ; file system uuid, label, or #f (default #f)) (device-mount-point menu-entry-device-mount-point (default #f)) (linux menu-entry-linux) (linux-arguments menu-entry-linux-arguments (default '())) ; list of string-valued gexps (initrd menu-entry-initrd)) ; file name of the initrd as a gexp (define (menu-entry->sexp entry) "Return ENTRY serialized as an sexp." (match entry (($ <menu-entry> label device mount-point linux linux-arguments initrd) `(menu-entry (version 0) (label ,label) (device ,device) (device-mount-point ,mount-point) (linux ,linux) (linux-arguments ,linux-arguments) (initrd ,initrd))))) (define (sexp->menu-entry sexp) "Turn SEXP, an sexp as returned by 'menu-entry->sexp', into a <menu-entry> record." (match sexp (('menu-entry ('version 0) ('label label) ('device device) ('device-mount-point mount-point) ('linux linux) ('linux-arguments linux-arguments) ('initrd initrd) _ ...) (menu-entry (label label) (device device) (device-mount-point mount-point) (linux linux) (linux-arguments linux-arguments) (initrd initrd))))) ;;; ;;; Bootloader record. ;;; ;; The <bootloader> record contains fields expressing how the bootloader ;; should be installed. Every bootloader in gnu/bootloader/ directory ;; has to be described by this record. (define-record-type* <bootloader> bootloader make-bootloader bootloader? (name bootloader-name) (package bootloader-package) (installer bootloader-installer) (configuration-file bootloader-configuration-file) (configuration-file-generator bootloader-configuration-file-generator)) ;;; ;;; Bootloader configuration record. ;;; ;; The <bootloader-configuration> record contains bootloader independant ;; configuration used to fill bootloader configuration file. (define-record-type* <bootloader-configuration> bootloader-configuration make-bootloader-configuration bootloader-configuration? (bootloader bootloader-configuration-bootloader) ;<bootloader> (target bootloader-configuration-target ;string (default #f)) (menu-entries bootloader-configuration-menu-entries ;list of <menu-entry> (default '())) (default-entry bootloader-configuration-default-entry ;integer (default 0)) (timeout bootloader-configuration-timeout ;seconds as integer (default 5)) (keyboard-layout bootloader-configuration-keyboard-layout ;<keyboard-layout> | #f (default #f)) (theme bootloader-configuration-theme ;bootloader-specific theme (default #f)) (terminal-outputs bootloader-configuration-terminal-outputs ;list of symbols (default '(gfxterm))) (terminal-inputs bootloader-configuration-terminal-inputs ;list of symbols (default '())) (serial-unit bootloader-configuration-serial-unit ;integer | #f (default #f)) (serial-speed bootloader-configuration-serial-speed ;integer | #f (default #f))) ;;; ;;; Bootloaders. ;;; (define (bootloader-modules) "Return the list of bootloader modules." (all-modules (map (lambda (entry) `(,entry . "gnu/bootloader")) %load-path) #:warn warn-about-load-error)) (define %bootloaders ;; The list of publically-known bootloaders. (delay (fold-module-public-variables (lambda (obj result) (if (bootloader? obj) (cons obj result) result)) '() (bootloader-modules)))) (define (lookup-bootloader-by-name name) "Return the bootloader called NAME." (or (find (lambda (bootloader) (eq? name (bootloader-name bootloader))) (force %bootloaders)) (leave (G_ "~a: no such bootloader~%") name)))