;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017 David Craven <david@craven.ch> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> ;;; ;;; 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 extlinux) #:use-module (gnu bootloader) #:use-module (gnu system) #:use-module (gnu build bootloader) #:use-module (gnu packages bootloaders) #:use-module (guix gexp) #:use-module (guix monads) #:use-module (guix records) #:use-module (guix utils) #:export (extlinux-bootloader extlinux-bootloader-gpt)) (define* (extlinux-configuration-file config entries #:key (system (%current-system)) (old-entries '())) "Return the U-Boot configuration file corresponding to CONFIG, a <u-boot-configuration> object, and where the store is available at STORE-FS, a <file-system> object. OLD-ENTRIES is taken to be a list of menu entries corresponding to old generations of the system." (define all-entries (append entries (bootloader-configuration-menu-entries config))) (define (menu-entry->gexp entry) (let ((label (menu-entry-label entry)) (kernel (menu-entry-linux entry)) (kernel-arguments (menu-entry-linux-arguments entry)) (initrd (menu-entry-initrd entry))) #~(format port "LABEL ~a MENU LABEL ~a KERNEL ~a FDTDIR ~a/lib/dtbs INITRD ~a APPEND ~a ~%" #$label #$label #$kernel (dirname #$kernel) #$initrd (string-join (list #$@kernel-arguments))))) (define builder #~(call-with-output-file #$output (lambda (port) (let ((timeout #$(bootloader-configuration-timeout config))) (format port "# This file was generated from your GuixSD configuration. Any changes # will be lost upon reconfiguration. UI menu.c32 MENU TITLE GuixSD Boot Options PROMPT ~a TIMEOUT ~a~%" (if (> timeout 0) 1 0) ;; timeout is expressed in 1/10s of seconds. (* 10 timeout)) #$@(map menu-entry->gexp all-entries) #$@(if (pair? old-entries) #~((format port "~%") #$@(map menu-entry->gexp old-entries) (format port "~%")) #~()))))) (gexp->derivation "extlinux.conf" builder)) ;;; ;;; Install procedures. ;;; (define (install-extlinux mbr) #~(lambda (bootloader device mount-point) (let ((extlinux (string-append bootloader "/sbin/extlinux")) (install-dir (string-append mount-point "/boot/extlinux")) (syslinux-dir (string-append bootloader "/share/syslinux"))) (for-each (lambda (file) (install-file file install-dir)) (find-files syslinux-dir "\\.c32$")) (unless (and (zero? (system* extlinux "--install" install-dir)) (write-file-on-device (string-append syslinux-dir "/" #$mbr) 440 device 0)) (error "failed to install SYSLINUX"))))) (define install-extlinux-mbr (install-extlinux "mbr.bin")) (define install-extlinux-gpt (install-extlinux "gptmbr.bin")) ;;; ;;; Bootloader definitions. ;;; (define extlinux-bootloader (bootloader (name 'extlinux) (package syslinux) (installer install-extlinux-mbr) (configuration-file "/boot/extlinux/extlinux.conf") (configuration-file-generator extlinux-configuration-file))) (define extlinux-bootloader-gpt (bootloader (inherit extlinux-bootloader) (installer install-extlinux-gpt)))