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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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 system images unmatched)
#:use-module (gnu bootloader)
#:use-module (gnu bootloader u-boot)
#:use-module (gnu image)
#:use-module (gnu packages linux)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services networking)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:use-module (gnu system image)
#:use-module (guix platforms riscv)
#:use-module (srfi srfi-26)
#:export (unmatched-barebones-os
unmatched-image-type
unmatched-barebones-raw-image))
(define unmatched-barebones-os
(operating-system
(host-name "unmatched")
(timezone "Asia/Jerusalem")
(locale "en_US.utf8")
(bootloader (bootloader-configuration
(bootloader u-boot-sifive-unmatched-bootloader)
(targets '("/dev/vda"))))
(initrd-modules '())
(kernel linux-libre-riscv64-generic)
(file-systems (cons (file-system
(device (file-system-label "my-root"))
(mount-point "/")
(type "ext4"))
%base-file-systems))
(services
(append (list (service agetty-service-type
(agetty-configuration
(extra-options '("-L")) ; no carrier detect
(baud-rate "115200")
(term "vt100")
(tty "ttySIF0")))
(service dhcp-client-service-type))
%base-services))))
(define unmatched-disk-image
(image-without-os
(format 'disk-image)
(partition-table-type 'gpt)
;; https://source.denx.de/u-boot/u-boot/-/blob/master/doc/board/sifive/unmatched.rst
;; The boot process goes:
;; * zero-stage bootloader (ZSBL) in ROM and first-stage bootloader (FSBL)
;; together perform the SoC initialization and hand off to the next stage.
;; * BBL (Berkeley bootloader) takes the device-tree and brings up the rest
;; of the board, then boots the desired operating system.
(partitions (list
(partition
;; Special UUID for HiFive first-stage bootloader (FSBL).
(size (* 1 (expt 2 20)))
(label "spl")
(offset (* 34 512))
(file-system "unformatted")
(uuid (uuid "5b193300-fc78-40cd-8002-e86c45580b47")))
(partition
;; Specific offset for compatibility with the defaults for
;; u-boot SPL. Special UUID for HiFive BBL (Berkeley bootloader).
(size (* 4 (expt 2 20)))
(label "uboot")
(offset (* 2082 512))
(file-system "unformatted")
(uuid (uuid "2e54b353-1271-4842-806f-e436d6af6985")))
root-partition))))
(define unmatched-image-type
(image-type
(name 'unmatched-raw)
(constructor (cut image-with-os unmatched-disk-image <>))))
(define unmatched-barebones-raw-image
(image
(inherit
(os+platform->image unmatched-barebones-os riscv64-linux
#:type unmatched-image-type))
(name 'unmatched-barebones-raw-image)))
;; Return the default image.
unmatched-barebones-raw-image
|