guix - Wojtek's customized Guix

diff options
Diffstat (limited to 'gnu/packages/rush.scm')
0 files changed, 0 insertions, 0 deletions
52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Timothy Sample <samplet@ngyro.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 depthcharge)
  #:use-module (gnu bootloader extlinux)
  #:use-module (gnu bootloader)
  #:use-module (gnu packages bootloaders)
  #:use-module (guix gexp)
  #:use-module (guix utils)
  #:use-module (ice-9 match)
  #:export (depthcharge-bootloader))

(define (signed-kernel kernel kernel-arguments initrd)
  (define builder
    (with-imported-modules '((guix build utils))
      #~(begin
          (use-modules (guix build utils)
                       (ice-9 binary-ports)
                       (rnrs bytevectors))
          (set-path-environment-variable "PATH" '("bin") (list #$dtc))

          ;; TODO: These files have to be writable, so we copy them.
          ;; This can probably be fixed by using a ".its" file, just
          ;; be careful not to break initrd loading.
          (copy-file #$kernel "zImage")
          (chmod "zImage" #o755)
          (copy-file (string-append (dirname #$kernel) "/lib/dtbs/"
                                    "rk3288-veyron-speedy.dtb")
                     "rk3288-veyron-speedy.dtb")
          (chmod "rk3288-veyron-speedy.dtb" #o644)
          (copy-file #$initrd "initrd")
          (chmod "initrd" #o644)

          (invoke (string-append #$u-boot-tools "/bin/mkimage")
                  "-D" "-I dts -O dtb -p 2048"
		  "-f" "auto"
                  "-A" "arm"
                  "-O" "linux"
                  "-T" "kernel"
                  "-C" "None"
                  "-d" "zImage"
                  "-a" "0"
                  "-b" "rk3288-veyron-speedy.dtb"
                  "-i" "initrd"
	          "image.itb")
          (call-with-output-file "bootloader.bin"
            (lambda (port)
              (put-bytevector port (make-bytevector 512 0))))
          (with-output-to-file "kernel-arguments"
	    (lambda ()
	      (display (string-join (list #$@kernel-arguments)))))
          (invoke (string-append #$vboot-utils "/bin/vbutil_kernel")
                  "--pack" #$output
                  "--version" "1"
                  "--vmlinuz" "image.itb"
		  "--arch" "arm"
		  "--keyblock" (string-append #$vboot-utils
                                              "/share/vboot-utils/devkeys/"
                                              "kernel.keyblock")
		  "--signprivate" (string-append #$vboot-utils
                                                 "/share/vboot-utils/devkeys/"
                                                 "kernel_data_key.vbprivk")
                  "--config" "kernel-arguments"
                  "--bootloader" "bootloader.bin"))))
  (computed-file "vmlinux.kpart" builder))

(define* (depthcharge-configuration-file config entries
                                         #:key
                                         (system (%current-system))
                                         (old-entries '())
                                         #:allow-other-keys)
  (match entries
    ((entry)
     (let ((kernel (menu-entry-linux entry))
           (kernel-arguments (menu-entry-linux-arguments entry))
           (initrd (menu-entry-initrd entry)))
       ;; XXX: Make this a symlink.
       (signed-kernel kernel kernel-arguments initrd)))
    (_ (error "Too many bootloader menu entries!"))))

(define install-depthcharge
  #~(lambda (bootloader device mount-point)
      (let ((kpart (string-append mount-point
                                  "/boot/depthcharge/vmlinux.kpart")))
        (write-file-on-device kpart (stat:size (stat kpart)) device 0))))

(define depthcharge-bootloader
  (bootloader
   (name 'depthcharge)
   (package #f)
   (installer install-depthcharge)
   (configuration-file "/boot/depthcharge/vmlinux.kpart")
   (configuration-file-generator depthcharge-configuration-file)))

context:
space:
mode: