gnu: Add configuration for depthcharge bootloader.
* gnu/bootloader/depthcharge: New file. * gnu/local.mk [GNU_SYSTEM_MODULES]: Adjust accordingly. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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Timothy Sample
Ludovic Courtès
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Timothy Sample <samplet@ngyro.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu bootloader depthcharge)
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#:use-module (gnu bootloader extlinux)
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#:use-module (gnu bootloader)
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#:use-module (gnu packages bootloaders)
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#:use-module (guix gexp)
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#:use-module (guix utils)
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#:use-module (ice-9 match)
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#:export (depthcharge-bootloader))
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(define (signed-kernel kernel kernel-arguments initrd)
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(define builder
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(ice-9 binary-ports)
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(rnrs bytevectors))
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(set-path-environment-variable "PATH" '("bin") (list #$dtc))
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;; TODO: These files have to be writable, so we copy them.
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;; This can probably be fixed by using a ".its" file, just
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;; be careful not to break initrd loading.
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(copy-file #$kernel "zImage")
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(chmod "zImage" #o755)
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(copy-file (string-append (dirname #$kernel) "/lib/dtbs/"
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"rk3288-veyron-speedy.dtb")
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"rk3288-veyron-speedy.dtb")
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(chmod "rk3288-veyron-speedy.dtb" #o644)
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(copy-file #$initrd "initrd")
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(chmod "initrd" #o644)
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(invoke (string-append #$u-boot-tools "/bin/mkimage")
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"-D" "-I dts -O dtb -p 2048"
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"-f" "auto"
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"-A" "arm"
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"-O" "linux"
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"-T" "kernel"
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"-C" "None"
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"-d" "zImage"
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"-a" "0"
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"-b" "rk3288-veyron-speedy.dtb"
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"-i" "initrd"
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"image.itb")
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(call-with-output-file "bootloader.bin"
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(lambda (port)
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(put-bytevector port (make-bytevector 512 0))))
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(with-output-to-file "kernel-arguments"
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(lambda ()
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(display (string-join (list #$@kernel-arguments)))))
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(invoke (string-append #$vboot-utils "/bin/vbutil_kernel")
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"--pack" #$output
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"--version" "1"
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"--vmlinuz" "image.itb"
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"--arch" "arm"
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"--keyblock" (string-append #$vboot-utils
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"/share/vboot-utils/devkeys/"
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"kernel.keyblock")
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"--signprivate" (string-append #$vboot-utils
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"/share/vboot-utils/devkeys/"
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"kernel_data_key.vbprivk")
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"--config" "kernel-arguments"
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"--bootloader" "bootloader.bin"))))
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(computed-file "vmlinux.kpart" builder))
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(define* (depthcharge-configuration-file config entries
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#:key
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(system (%current-system))
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(old-entries '()))
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(match entries
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((entry)
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(let ((kernel (menu-entry-linux entry))
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(kernel-arguments (menu-entry-linux-arguments entry))
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(initrd (menu-entry-initrd entry)))
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;; XXX: Make this a symlink.
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(signed-kernel kernel kernel-arguments initrd)))
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(_ (error "Too many bootloader menu entries!"))))
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(define install-depthcharge
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#~(lambda (bootloader device mount-point)
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(let ((kpart (string-append mount-point
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"/boot/depthcharge/vmlinux.kpart")))
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(write-file-on-device kpart (stat:size (stat kpart)) device 0))))
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(define depthcharge-bootloader
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(bootloader
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(name 'depthcharge)
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(package #f)
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(installer install-depthcharge)
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(configuration-file "/boot/depthcharge/vmlinux.kpart")
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(configuration-file-generator depthcharge-configuration-file)))
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@ -46,6 +46,7 @@ GNU_SYSTEM_MODULES = \
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%D%/bootloader/grub.scm \
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%D%/bootloader/grub.scm \
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%D%/bootloader/extlinux.scm \
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%D%/bootloader/extlinux.scm \
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%D%/bootloader/u-boot.scm \
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%D%/bootloader/u-boot.scm \
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%D%/bootloader/depthcharge.scm \
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%D%/ci.scm \
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%D%/ci.scm \
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%D%/packages.scm \
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%D%/packages.scm \
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%D%/packages/abduco.scm \
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%D%/packages/abduco.scm \
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