mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-17 20:27:36 -05:00
80352a2f68
This is a follow-up of 536c53d347, that do not
use the native version of "font-file", breaking cross-compilation.
* gnu/bootloader/grub.scm (eye-candy): Use the native version of "font-file".
557 lines
21 KiB
Scheme
557 lines
21 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
|
||
;;; Copyright © 2017 Leo Famulari <leo@famulari.name>
|
||
;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
|
||
;;; Copyright © 2019, 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
||
;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
|
||
;;; Copyright © 2020 Stefan <stefan-guix@vodafonemail.de>
|
||
;;;
|
||
;;; 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 grub)
|
||
#:use-module (guix records)
|
||
#:use-module ((guix utils) #:select (%current-system))
|
||
#:use-module (guix gexp)
|
||
#:use-module (gnu artwork)
|
||
#:use-module (gnu bootloader)
|
||
#:use-module (gnu system uuid)
|
||
#:use-module (gnu system file-systems)
|
||
#:use-module (gnu system keyboard)
|
||
#:use-module (gnu packages bootloaders)
|
||
#:autoload (gnu packages gtk) (guile-cairo guile-rsvg)
|
||
#:autoload (gnu packages xorg) (xkeyboard-config)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (ice-9 regex)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-2)
|
||
#:export (grub-theme
|
||
grub-theme?
|
||
grub-theme-image
|
||
grub-theme-resolution
|
||
grub-theme-color-normal
|
||
grub-theme-color-highlight
|
||
grub-theme-gfxmode
|
||
|
||
grub-bootloader
|
||
grub-efi-bootloader
|
||
grub-mkrescue-bootloader
|
||
grub-minimal-bootloader
|
||
|
||
grub-configuration))
|
||
|
||
;;; Commentary:
|
||
;;;
|
||
;;; Configuration of GNU GRUB.
|
||
;;;
|
||
;;; Code:
|
||
|
||
(define* (normalize-file file mount-point store-directory-prefix)
|
||
"Strip MOUNT-POINT and prepend STORE-DIRECTORY-PREFIX, if any, to FILE, a
|
||
G-expression or other lowerable object denoting a file name."
|
||
|
||
(define (strip-mount-point mount-point file)
|
||
(if mount-point
|
||
(if (string=? mount-point "/")
|
||
file
|
||
#~(let ((file #$file))
|
||
(if (string-prefix? #$mount-point file)
|
||
(substring #$file #$(string-length mount-point))
|
||
file)))
|
||
file))
|
||
|
||
(define (prepend-store-directory-prefix store-directory-prefix file)
|
||
(if store-directory-prefix
|
||
#~(string-append #$store-directory-prefix #$file)
|
||
file))
|
||
|
||
(prepend-store-directory-prefix store-directory-prefix
|
||
(strip-mount-point mount-point file)))
|
||
|
||
|
||
|
||
(define-record-type* <grub-theme>
|
||
;; Default theme contributed by Felipe López.
|
||
grub-theme make-grub-theme
|
||
grub-theme?
|
||
(image grub-theme-image
|
||
(default (file-append %artwork-repository
|
||
"/grub/GuixSD-fully-black-4-3.svg")))
|
||
(resolution grub-theme-resolution
|
||
(default '(1024 . 768)))
|
||
(color-normal grub-theme-color-normal
|
||
(default '((fg . light-gray) (bg . black))))
|
||
(color-highlight grub-theme-color-highlight
|
||
(default '((fg . yellow) (bg . black))))
|
||
(gfxmode grub-theme-gfxmode
|
||
(default '("auto")))) ;list of string
|
||
|
||
|
||
;;;
|
||
;;; Background image & themes.
|
||
;;;
|
||
|
||
(define (bootloader-theme config)
|
||
"Return user defined theme in CONFIG if defined or a default theme
|
||
otherwise."
|
||
(or (bootloader-configuration-theme config) (grub-theme)))
|
||
|
||
(define* (image->png image #:key width height)
|
||
"Build a PNG of HEIGHT x WIDTH from IMAGE if its file suffix is \".svg\".
|
||
Otherwise the picture in IMAGE is just copied."
|
||
(computed-file "grub-image.png"
|
||
(with-imported-modules '((gnu build svg))
|
||
(with-extensions (list guile-rsvg guile-cairo)
|
||
#~(if (string-suffix? ".svg" #+image)
|
||
(begin
|
||
(use-modules (gnu build svg))
|
||
(svg->png #+image #$output
|
||
#:width #$width
|
||
#:height #$height))
|
||
(copy-file #+image #$output))))))
|
||
|
||
(define* (grub-background-image config)
|
||
"Return the GRUB background image defined in CONFIG or #f if none was found.
|
||
If the suffix of the image file is \".svg\", then it is converted into a PNG
|
||
file with the resolution provided in CONFIG."
|
||
(let* ((theme (bootloader-theme config))
|
||
(image (grub-theme-image theme)))
|
||
(and image
|
||
(match (grub-theme-resolution theme)
|
||
(((? number? width) . (? number? height))
|
||
(image->png image #:width width #:height height))
|
||
(_ #f)))))
|
||
|
||
(define* (eye-candy config store-device store-mount-point
|
||
#:key store-directory-prefix port)
|
||
"Return a gexp that writes to PORT (a port-valued gexp) the 'grub.cfg' part
|
||
concerned with graphics mode, background images, colors, and all that.
|
||
STORE-DEVICE designates the device holding the store, and STORE-MOUNT-POINT is
|
||
its mount point; these are used to determine where the background image and
|
||
fonts must be searched for. STORE-DIRECTORY-PREFIX is a directory prefix to
|
||
prepend to any store file name."
|
||
(define (setup-gfxterm config font-file)
|
||
(if (memq 'gfxterm (bootloader-configuration-terminal-outputs config))
|
||
#~(format #f "
|
||
if loadfont ~a; then
|
||
set gfxmode=~a
|
||
insmod all_video
|
||
insmod gfxterm
|
||
fi~%"
|
||
#+font-file
|
||
#$(string-join
|
||
(grub-theme-gfxmode (bootloader-theme config))
|
||
";"))
|
||
""))
|
||
|
||
(define (theme-colors type)
|
||
(let* ((theme (bootloader-theme config))
|
||
(colors (type theme)))
|
||
(string-append (symbol->string (assoc-ref colors 'fg)) "/"
|
||
(symbol->string (assoc-ref colors 'bg)))))
|
||
|
||
(define font-file
|
||
(normalize-file (file-append grub "/share/grub/unicode.pf2")
|
||
store-mount-point
|
||
store-directory-prefix))
|
||
|
||
(define image
|
||
(normalize-file (grub-background-image config)
|
||
store-mount-point
|
||
store-directory-prefix))
|
||
|
||
(and image
|
||
#~(format #$port "
|
||
# Set 'root' to the partition that contains /gnu/store.
|
||
~a
|
||
|
||
~a
|
||
~a
|
||
|
||
insmod png
|
||
if background_image ~a; then
|
||
set color_normal=~a
|
||
set color_highlight=~a
|
||
else
|
||
set menu_color_normal=cyan/blue
|
||
set menu_color_highlight=white/blue
|
||
fi~%"
|
||
#$(grub-root-search store-device font-file)
|
||
#$(setup-gfxterm config font-file)
|
||
#$(grub-setup-io config)
|
||
|
||
#$image
|
||
#$(theme-colors grub-theme-color-normal)
|
||
#$(theme-colors grub-theme-color-highlight))))
|
||
|
||
|
||
;;;
|
||
;;; Configuration file.
|
||
;;;
|
||
|
||
(define* (keyboard-layout-file layout
|
||
#:key
|
||
(grub grub))
|
||
"Process the X keyboard layout description LAYOUT, a <keyboard-layout> record,
|
||
and return a file in the format for GRUB keymaps. LAYOUT must be present in
|
||
the 'share/X11/xkb/symbols/' directory of 'xkeyboard-config'."
|
||
(define builder
|
||
(with-imported-modules '((guix build utils))
|
||
#~(begin
|
||
(use-modules (guix build utils))
|
||
|
||
;; 'grub-kbdcomp' passes all its arguments but '-o' to 'ckbcomp'
|
||
;; (from the 'console-setup' package).
|
||
(invoke #+(file-append grub "/bin/grub-mklayout")
|
||
"-i" #+(keyboard-layout->console-keymap layout)
|
||
"-o" #$output))))
|
||
|
||
(computed-file (string-append "grub-keymap."
|
||
(string-map (match-lambda
|
||
(#\, #\-)
|
||
(chr chr))
|
||
(keyboard-layout-name layout)))
|
||
builder))
|
||
|
||
(define (grub-setup-io config)
|
||
"Return GRUB commands to configure the input / output interfaces. The result
|
||
is a string that can be inserted in grub.cfg."
|
||
(let* ((symbols->string (lambda (list)
|
||
(string-join (map symbol->string list) " ")))
|
||
(outputs (bootloader-configuration-terminal-outputs config))
|
||
(inputs (bootloader-configuration-terminal-inputs config))
|
||
(unit (bootloader-configuration-serial-unit config))
|
||
(speed (bootloader-configuration-serial-speed config))
|
||
|
||
;; Respectively, GRUB_TERMINAL_OUTPUT and GRUB_TERMINAL_INPUT,
|
||
;; as documented in GRUB manual section "Simple Configuration
|
||
;; Handling".
|
||
(valid-outputs '(console serial serial_0 serial_1 serial_2 serial_3
|
||
gfxterm vga_text mda_text morse spkmodem))
|
||
(valid-inputs '(console serial serial_0 serial_1 serial_2 serial_3
|
||
at_keyboard usb_keyboard))
|
||
|
||
(io (string-append
|
||
"terminal_output "
|
||
(symbols->string
|
||
(map
|
||
(lambda (output)
|
||
(if (memq output valid-outputs) output #f)) outputs)) "\n"
|
||
(if (null? inputs)
|
||
""
|
||
(string-append
|
||
"terminal_input "
|
||
(symbols->string
|
||
(map
|
||
(lambda (input)
|
||
(if (memq input valid-inputs) input #f)) inputs)) "\n"))
|
||
;; UNIT and SPEED are arguments to the same GRUB command
|
||
;; ("serial"), so we process them together.
|
||
(if (or unit speed)
|
||
(string-append
|
||
"serial"
|
||
(if unit
|
||
;; COM ports 1 through 4
|
||
(if (and (exact-integer? unit) (<= unit 3) (>= unit 0))
|
||
(string-append " --unit=" (number->string unit))
|
||
#f)
|
||
"")
|
||
(if speed
|
||
(if (exact-integer? speed)
|
||
(string-append " --speed=" (number->string speed))
|
||
#f)
|
||
""))
|
||
""))))
|
||
(format #f "~a" io)))
|
||
|
||
(define (grub-root-search device file)
|
||
"Return the GRUB 'search' command to look for DEVICE, which contains FILE,
|
||
a gexp. The result is a gexp that can be inserted in the grub.cfg-generation
|
||
code."
|
||
;; Usually FILE is a file name gexp like "/gnu/store/…-linux/vmlinuz", but
|
||
;; it can also be something like "(hd0,msdos1)/vmlinuz" in the case of
|
||
;; custom menu entries. In the latter case, don't emit a 'search' command.
|
||
(if (and (string? file) (not (string-prefix? "/" file)))
|
||
""
|
||
(match device
|
||
;; Preferably refer to DEVICE by its UUID or label. This is more
|
||
;; efficient and less ambiguous, see <http://bugs.gnu.org/22281>.
|
||
((? uuid? uuid)
|
||
(format #f "search --fs-uuid --set ~a"
|
||
(uuid->string device)))
|
||
((? file-system-label? label)
|
||
(format #f "search --label --set ~a"
|
||
(file-system-label->string label)))
|
||
((or #f (? string?))
|
||
#~(format #f "search --file --set ~a" #$file)))))
|
||
|
||
(define* (grub-configuration-file config entries
|
||
#:key
|
||
(system (%current-system))
|
||
(old-entries '())
|
||
store-directory-prefix)
|
||
"Return the GRUB configuration file corresponding to CONFIG, a
|
||
<bootloader-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.
|
||
STORE-DIRECTORY-PREFIX may be used to specify a store prefix, as is required
|
||
when booting a root file system on a Btrfs subvolume."
|
||
(define all-entries
|
||
(append entries (bootloader-configuration-menu-entries config)))
|
||
(define (menu-entry->gexp entry)
|
||
(let ((label (menu-entry-label entry))
|
||
(linux (menu-entry-linux entry))
|
||
(device (menu-entry-device entry))
|
||
(device-mount-point (menu-entry-device-mount-point entry)))
|
||
(if linux
|
||
(let ((arguments (menu-entry-linux-arguments entry))
|
||
(linux (normalize-file linux
|
||
device-mount-point
|
||
store-directory-prefix))
|
||
(initrd (normalize-file (menu-entry-initrd entry)
|
||
device-mount-point
|
||
store-directory-prefix)))
|
||
;; Here DEVICE is the store and DEVICE-MOUNT-POINT is its mount point.
|
||
;; Use the right file names for LINUX and INITRD in case
|
||
;; DEVICE-MOUNT-POINT is not "/", meaning that the store is on a
|
||
;; separate partition.
|
||
|
||
;; When BTRFS-SUBVOLUME-FILE-NAME is defined, prepend it the linux and
|
||
;; initrd paths, to allow booting from a Btrfs subvolume.
|
||
#~(format port "menuentry ~s {
|
||
~a
|
||
linux ~a ~a
|
||
initrd ~a
|
||
}~%"
|
||
#$label
|
||
#$(grub-root-search device linux)
|
||
#$linux (string-join (list #$@arguments))
|
||
#$initrd))
|
||
(let ((kernel (menu-entry-multiboot-kernel entry))
|
||
(arguments (menu-entry-multiboot-arguments entry))
|
||
(modules (menu-entry-multiboot-modules entry))
|
||
(root-index 1)) ; XXX EFI will need root-index 2
|
||
#~(format port "
|
||
menuentry ~s {
|
||
multiboot ~a root=device:hd0s~a~a~a
|
||
}~%"
|
||
#$label
|
||
#$kernel
|
||
#$root-index (string-join (list #$@arguments) " " 'prefix)
|
||
(string-join (map string-join '#$modules)
|
||
"\n module " 'prefix))))))
|
||
|
||
(define (sugar)
|
||
(let* ((entry (first all-entries))
|
||
(device (menu-entry-device entry))
|
||
(mount-point (menu-entry-device-mount-point entry)))
|
||
(eye-candy config
|
||
device
|
||
mount-point
|
||
#:store-directory-prefix store-directory-prefix
|
||
#:port #~port)))
|
||
|
||
(define keyboard-layout-config
|
||
(let* ((layout (bootloader-configuration-keyboard-layout config))
|
||
(grub (bootloader-package
|
||
(bootloader-configuration-bootloader config)))
|
||
(keymap* (and layout
|
||
(keyboard-layout-file layout #:grub grub)))
|
||
(keymap (and keymap*
|
||
(if store-directory-prefix
|
||
#~(string-append #$store-directory-prefix
|
||
#$keymap*)
|
||
keymap*))))
|
||
#~(when #$keymap
|
||
(format port "\
|
||
insmod keylayouts
|
||
keymap ~a~%" #$keymap))))
|
||
|
||
(define builder
|
||
#~(call-with-output-file #$output
|
||
(lambda (port)
|
||
(format port
|
||
"# This file was generated from your Guix configuration. Any changes
|
||
# will be lost upon reconfiguration.
|
||
")
|
||
#$(sugar)
|
||
#$keyboard-layout-config
|
||
(format port "
|
||
set default=~a
|
||
set timeout=~a~%"
|
||
#$(bootloader-configuration-default-entry config)
|
||
#$(bootloader-configuration-timeout config))
|
||
#$@(map menu-entry->gexp all-entries)
|
||
|
||
#$@(if (pair? old-entries)
|
||
#~((format port "
|
||
submenu \"GNU system, old configurations...\" {~%")
|
||
#$@(map menu-entry->gexp old-entries)
|
||
(format port "}~%"))
|
||
#~())
|
||
(format port "
|
||
if [ \"${grub_platform}\" == efi ]; then
|
||
menuentry \"Firmware setup\" {
|
||
fwsetup
|
||
}
|
||
fi~%"))))
|
||
|
||
;; Since this file is rather unique, there's no point in trying to
|
||
;; substitute it.
|
||
(computed-file "grub.cfg" builder
|
||
#:options '(#:local-build? #t
|
||
#:substitutable? #f)))
|
||
|
||
|
||
|
||
;;;
|
||
;;; Install procedures.
|
||
;;;
|
||
|
||
(define install-grub
|
||
#~(lambda (bootloader device mount-point)
|
||
(let ((grub (string-append bootloader "/sbin/grub-install"))
|
||
(install-dir (string-append mount-point "/boot")))
|
||
;; Install GRUB on DEVICE which is mounted at MOUNT-POINT. If DEVICE
|
||
;; is #f, then we populate the disk-image rooted at MOUNT-POINT.
|
||
(if device
|
||
(begin
|
||
;; Tell 'grub-install' that there might be a LUKS-encrypted
|
||
;; /boot or root partition.
|
||
(setenv "GRUB_ENABLE_CRYPTODISK" "y")
|
||
|
||
;; Hide potentially confusing messages from the user, such as
|
||
;; "Installing for i386-pc platform."
|
||
(invoke/quiet grub "--no-floppy" "--target=i386-pc"
|
||
"--boot-directory" install-dir
|
||
device))
|
||
;; When creating a disk-image, only install GRUB modules.
|
||
(copy-recursively (string-append bootloader "/lib/")
|
||
install-dir)))))
|
||
|
||
(define install-grub-disk-image
|
||
#~(lambda (bootloader root-index image)
|
||
;; Install GRUB on the given IMAGE. The root partition index is
|
||
;; ROOT-INDEX.
|
||
(let ((grub-mkimage
|
||
(string-append bootloader "/bin/grub-mkimage"))
|
||
(modules '("biosdisk" "part_msdos" "fat" "ext2"))
|
||
(grub-bios-setup
|
||
(string-append bootloader "/sbin/grub-bios-setup"))
|
||
(root-device (format #f "hd0,msdos~a" root-index))
|
||
(boot-img (string-append bootloader "/lib/grub/i386-pc/boot.img"))
|
||
(device-map "device.map"))
|
||
|
||
;; Create a minimal, standalone GRUB image that will be written
|
||
;; directly in the MBR-GAP (space between the end of the MBR and the
|
||
;; first partition).
|
||
(apply invoke grub-mkimage
|
||
"-O" "i386-pc"
|
||
"-o" "core.img"
|
||
"-p" (format #f "(~a)/boot/grub" root-device)
|
||
modules)
|
||
|
||
;; Create a device mapping file.
|
||
(call-with-output-file device-map
|
||
(lambda (port)
|
||
(format port "(hd0) ~a~%" image)))
|
||
|
||
;; Copy the default boot.img, that will be written on the MBR sector
|
||
;; by GRUB-BIOS-SETUP.
|
||
(copy-file boot-img "boot.img")
|
||
|
||
;; Install both the "boot.img" and the "core.img" files on the given
|
||
;; IMAGE. On boot, the MBR sector will execute the minimal GRUB
|
||
;; written in the MBR-GAP. GRUB configuration and missing modules will
|
||
;; be read from ROOT-DEVICE.
|
||
(invoke grub-bios-setup
|
||
"-m" device-map
|
||
"-r" root-device
|
||
"-d" "."
|
||
image))))
|
||
|
||
(define install-grub-efi
|
||
#~(lambda (bootloader efi-dir mount-point)
|
||
;; Install GRUB onto the EFI partition mounted at EFI-DIR, for the
|
||
;; system whose root is mounted at MOUNT-POINT.
|
||
(let ((grub-install (string-append bootloader "/sbin/grub-install"))
|
||
(install-dir (string-append mount-point "/boot"))
|
||
;; When installing Guix, it's common to mount EFI-DIR below
|
||
;; MOUNT-POINT rather than /boot/efi on the live image.
|
||
(target-esp (if (file-exists? (string-append mount-point efi-dir))
|
||
(string-append mount-point efi-dir)
|
||
efi-dir)))
|
||
;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or
|
||
;; root partition.
|
||
(setenv "GRUB_ENABLE_CRYPTODISK" "y")
|
||
(invoke/quiet grub-install "--boot-directory" install-dir
|
||
"--bootloader-id=Guix"
|
||
"--efi-directory" target-esp))))
|
||
|
||
|
||
|
||
;;;
|
||
;;; Bootloader definitions.
|
||
;;;
|
||
|
||
(define grub-bootloader
|
||
(bootloader
|
||
(name 'grub)
|
||
(package grub)
|
||
(installer install-grub)
|
||
(disk-image-installer install-grub-disk-image)
|
||
(configuration-file "/boot/grub/grub.cfg")
|
||
(configuration-file-generator grub-configuration-file)))
|
||
|
||
(define* grub-minimal-bootloader
|
||
(bootloader
|
||
(inherit grub-bootloader)
|
||
(package grub-minimal)))
|
||
|
||
(define* grub-efi-bootloader
|
||
(bootloader
|
||
(inherit grub-bootloader)
|
||
(installer install-grub-efi)
|
||
(disk-image-installer #f)
|
||
(name 'grub-efi)
|
||
(package grub-efi)))
|
||
|
||
(define* grub-mkrescue-bootloader
|
||
(bootloader
|
||
(inherit grub-efi-bootloader)
|
||
(package grub-hybrid)))
|
||
|
||
|
||
;;;
|
||
;;; Compatibility macros.
|
||
;;;
|
||
|
||
(define-syntax grub-configuration
|
||
(syntax-rules (grub)
|
||
((_ (grub package) fields ...)
|
||
(if (eq? package grub)
|
||
(bootloader-configuration
|
||
(bootloader grub-bootloader)
|
||
fields ...)
|
||
(bootloader-configuration
|
||
(bootloader grub-efi-bootloader)
|
||
fields ...)))
|
||
((_ fields ...)
|
||
(bootloader-configuration
|
||
(bootloader grub-bootloader)
|
||
fields ...))))
|
||
|
||
;;; grub.scm ends here
|