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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.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 system hurd)
#:use-module (guix gexp)
#:use-module (guix utils)
#:use-module (gnu bootloader grub)
#:use-module (gnu packages base)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages hurd)
#:use-module (gnu system vm)
#:export (cross-hurd-image))
;;; Commentary:
;;;
;;; This module provides tools to (cross-)build GNU/Hurd virtual machine
;;; images.
;;;
;;; Code:
(define* (cross-hurd-image #:key (hurd hurd) (gnumach gnumach))
"Return a cross-built GNU/Hurd image."
(define hurd-os
(let-syntax ((for-hurd (syntax-rules ()
((_ things ...)
(list (with-parameters ((%current-target-system
"i586-pc-gnu"))
things) ...)))))
(directory-union "gnu+hurd"
(cons (with-parameters ((%current-system "i686-linux"))
gnumach)
(for-hurd hurd coreutils grep sed)))))
(define grub.cfg
(let ((hurd (with-parameters ((%current-target-system "i586-pc-gnu"))
hurd))
(mach (with-parameters ((%current-system "i686-linux"))
gnumach))
(libc (cross-libc "i586-pc-gnu")))
(computed-file "grub.cfg"
#~(call-with-output-file #$output
(lambda (port)
(format port "
set timeout=2
search.file ~a/boot/gnumach
menuentry \"GNU\" {
multiboot ~a/boot/gnumach root=device:hd0s1
module ~a/hurd/ext2fs.static ext2fs \\
--multiboot-command-line='${kernel-command-line}' \\
--host-priv-port='${host-port}' \\
--device-master-port='${device-port}' \\
--exec-server-task='${exec-task}' -T typed '${root}' \\
'$(task-create)' '$(task-resume)'
module ~a/lib/ld.so.1 exec ~a/hurd/exec '$(exec-task=task-create)'
}\n"
#+mach #+mach #+hurd
#+libc #+hurd))))))
(define fstab
(plain-file "fstab"
"# This file was generated from your Guix configuration. Any changes
# will be lost upon reboot or reconfiguration.
/dev/hd0s1 / ext2 defaults
"))
(define hurd-directives
`((directory "/servers")
,@(map (lambda (server)
`(file ,(string-append "/servers/" server)))
'("startup" "exec" "proc" "password"
"default-pager" "crash-dump-core"
"kill" "suspend"))
("/servers/crash" -> "crash-dump-core")
(directory "/servers/socket")
(file "/servers/socket/1")
(file "/servers/socket/2")
(file "/servers/socket/16")
("/servers/socket/local" -> "1")
("/servers/socket/inet" -> "2")
("/servers/socket/inet6" -> "16")
(file "/etc/resolv.conf"
"nameserver 10.0.2.3\n")
(directory "/boot")
("/boot/grub.cfg" -> ,grub.cfg) ;XXX: not strictly needed
("/hurd" -> ,(file-append (with-parameters ((%current-target-system
"i586-pc-gnu"))
hurd)
"/hurd"))
("/etc/fstab" -> ,fstab)
;; XXX can we instead, harmlessly set _PATH_TTYS (from glibc) in runttys.c?
("/etc/ttys" -> ,(file-append (with-parameters ((%current-target-system
"i586-pc-gnu"))
hurd)
"/etc/ttys"))))
(qemu-image #:file-system-type "ext2"
#:file-system-options '("-o" "hurd")
#:device-nodes 'hurd
#:inputs `(("system" ,hurd-os)
("grub.cfg" ,grub.cfg)
("fstab" , fstab))
#:copy-inputs? #t
#:os hurd-os
#:bootcfg-drv grub.cfg
#:bootloader grub-bootloader
#:register-closures? #f
#:extra-directives hurd-directives))
;; Return this thunk so one can type "guix build -f gnu/system/hurd.scm".
cross-hurd-image
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