guix/gnu/bootloader/extlinux.scm

133 lines
4.4 KiB
Scheme
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2022 Reza Alizadeh Majd <r.majd@pantherx.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 extlinux)
#:use-module (gnu bootloader)
#:use-module (gnu packages bootloaders)
#:use-module (guix gexp)
#:use-module (guix utils)
#:export (extlinux-bootloader
extlinux-bootloader-gpt))
(define* (extlinux-configuration-file config entries
#:key
(system (%current-system))
(old-entries '())
#:allow-other-keys)
"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 with-fdtdir?
(bootloader-configuration-device-tree-support? 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
~a
INITRD ~a
APPEND ~a
~%"
#$label #$label
#$kernel
(if #$with-fdtdir?
(string-append "FDTDIR " (dirname #$kernel) "/lib/dtbs")
"")
#$initrd
(string-join (list #$@kernel-arguments)))))
(define builder
#~(call-with-output-file #$output
(lambda (port)
(let ((timeout #$(bootloader-configuration-timeout config)))
(format port "# This file was generated from your Guix configuration. Any changes
# will be lost upon reconfiguration.
UI menu.c32
MENU TITLE GNU Guix Boot Options
PROMPT ~a
TIMEOUT ~a~%"
(if (> timeout 0) 1 0)
;; timeout is expressed in 1/10s of seconds.
(* 10 timeout))
#$@(map menu-entry->gexp all-entries)
#$@(if (pair? old-entries)
#~((format port "~%")
#$@(map menu-entry->gexp old-entries)
(format port "~%"))
#~())))))
(computed-file "extlinux.conf" builder
#:options '(#:local-build? #t
#:substitutable? #f)))
;;;
;;; 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$"))
(invoke/quiet extlinux "--install" install-dir)
(write-file-on-device (string-append syslinux-dir "/" #$mbr)
440 device 0))))
(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)))