From: Marius Bakke <mbakke@fastmail.com>
To: 26815@debbugs.gnu.org
Subject: bug#26815: [PATCH 3/3] vm: Support EFI boot in base image.
Date: Sun, 7 May 2017 16:36:47 +0200 [thread overview]
Message-ID: <20170507143647.21036-3-mbakke@fastmail.com> (raw)
In-Reply-To: <20170507143647.21036-1-mbakke@fastmail.com>
* gnu/system/vm.scm (qemu-image): Add GRUB-EFI to inputs. Append 40MB
EFI System Partition.
* gnu/build/vm.scm (initialize-hard-disk): Generate grub EFI blob when ESP is
present.
---
gnu/build/vm.scm | 37 ++++++++++++++++++++++++++++++++++++-
gnu/system/vm.scm | 14 +++++++++++---
2 files changed, 47 insertions(+), 4 deletions(-)
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index ad39e29ce..a1f419776 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -27,6 +27,7 @@
#:use-module (gnu build linux-boot)
#:use-module (gnu build install)
#:use-module (guix records)
+ #:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
@@ -340,9 +341,16 @@ passing it a directory name where it is mounted."
"Return the first partition found with the boot flag set."
(member 'boot (partition-flags partitions)))
+ (define (esp-partition? partitions)
+ "Return the first EFI System Partition."
+ (member 'esp (partition-flags partitions)))
+
(let* ((partitions (initialize-partition-table device partitions))
(root (find partition-bootable? partitions))
- (target "/fs"))
+ (esp (find esp-partition? partitions))
+ (target "/fs")
+ ;; Grub expects EFI System Partitions to be mounted here.
+ (efi-directory (string-append target "/boot/efi")))
(unless root
(error "no bootable partition specified" partitions))
@@ -352,6 +360,33 @@ passing it a directory name where it is mounted."
(mkdir-p target)
(mount (partition-device root) target (partition-file-system root))
(install-boot-config bootcfg bootcfg-location target)
+
+ ;; If we have an ESP partition, generate a self-contained grub EFI
+ ;; image and write it to a location known by most firmwares.
+ (when esp
+ (display "mounting EFI system partition...\n")
+ (mkdir-p efi-directory)
+ (mount (partition-device esp) efi-directory
+ (partition-file-system esp))
+ (mkdir-p (string-append efi-directory "/EFI/BOOT"))
+
+ ;; Grub needs a tmpdir to prepare the image.
+ (setenv "TMPDIR" (string-append target "/tmp"))
+ ;; It also requires a tiny configuration file telling the
+ ;; memdisk where to find the real thing. TODO: Delete it.
+ (with-output-to-file (string-append target "/tmp/grubdisk.cfg")
+ (lambda _
+ (format #t
+ "insmod part_msdos~@
+ search --set=root --label gnu-disk-image~@
+ configfile /boot/grub/grub.cfg~%")))
+ (system* "grub-mkstandalone" "-O" "x86_64-efi" "-o"
+ (string-append efi-directory "/EFI/BOOT/BOOTX64.EFI")
+ ;; Embed the contents of grubdisk.cfg.
+ (string-append "boot/grub/grub.cfg=" target
+ "/tmp/grubdisk.cfg"))
+ (umount efi-directory))
+
(when bootloader-installer
(bootloader-installer bootloader device target))
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 099e3fac3..04ccc3650 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -3,6 +3,7 @@
;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -202,7 +203,7 @@ the image."
(guix build utils))
(let ((inputs
- '#$(append (list qemu parted e2fsprogs dosfstools)
+ '#$(append (list qemu parted e2fsprogs dosfstools grub-efi)
(map canonical-package
(list sed grep coreutils findutils gawk))
(if register-closures? (list guix) '())))
@@ -227,11 +228,18 @@ the image."
#:system-directory #$os.drv))
(partitions (list (partition
(size #$(- disk-image-size
- (* 10 (expt 2 20))))
+ (* 50 (expt 2 20))))
(label #$file-system-label)
(file-system #$file-system-type)
(flags '(boot))
- (initializer initialize)))))
+ (initializer initialize))
+ (partition
+ ;; Append a small FAT32 partition for
+ ;; use with UEFI bootloaders.
+ (size (* 40 (expt 2 20)))
+ (label "gnu-esp")
+ (file-system "vfat")
+ (flags '(esp))))))
(initialize-hard-disk "/dev/vda"
#:partitions partitions
#:bootloader
--
2.12.2
next prev parent reply other threads:[~2017-05-07 14:37 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-07 14:35 bug#26815: [PATCH 0/3] Hybrid UEFI disk image Marius Bakke
2017-05-07 14:36 ` bug#26815: [PATCH 1/3] vm: Add support for arbitrary partition flags Marius Bakke
2017-05-07 14:36 ` bug#26815: [PATCH 2/3] vm: Support creating FAT partitions Marius Bakke
2017-05-07 15:26 ` Danny Milosavljevic
2017-05-07 15:52 ` Marius Bakke
2017-05-07 16:32 ` bug#26815: [PATCH v2 " Marius Bakke
2017-05-07 17:06 ` bug#26815: [PATCH " Danny Milosavljevic
2017-05-07 19:15 ` Marius Bakke
2017-05-07 20:07 ` Danny Milosavljevic
2017-05-08 14:45 ` Ludovic Courtès
2017-05-08 15:59 ` Maxim Cournoyer
2017-05-07 14:36 ` Marius Bakke [this message]
2017-05-07 15:18 ` bug#26815: [PATCH 3/3] vm: Support EFI boot in base image Danny Milosavljevic
2017-05-07 15:41 ` Marius Bakke
2017-05-07 19:17 ` Marius Bakke
2017-05-08 9:06 ` Marius Bakke
2017-05-08 14:50 ` Ludovic Courtès
2017-05-10 19:52 ` bug#26815: [PATCH 1/3] vm: Support arbitrary partition flags Marius Bakke
2017-05-10 19:52 ` bug#26815: [PATCH 2/3] vm: Support creating FAT partitions Marius Bakke
2017-05-10 19:52 ` bug#26815: [PATCH 3/3] vm: Add UEFI loader to disk images Marius Bakke
2017-05-10 21:05 ` Ludovic Courtès
2017-05-10 21:21 ` Marius Bakke
2017-05-10 19:58 ` bug#26815: [PATCH 3/3] vm: Support EFI boot in base image Marius Bakke
2017-05-12 22:06 ` Ludovic Courtès
2017-05-12 23:12 ` Marius Bakke
2017-05-13 9:17 ` Mathieu Othacehe
2017-05-13 13:11 ` Ludovic Courtès
2017-05-13 14:13 ` Marius Bakke
2017-05-13 19:23 ` Ludovic Courtès
2017-05-16 15:17 ` Ludovic Courtès
2017-05-17 11:05 ` Marius Bakke
2017-05-17 12:36 ` Marius Bakke
2017-05-17 13:42 ` Ricardo Wurmus
2017-05-17 19:47 ` Ludovic Courtès
2017-05-17 11:05 ` bug#26815: [PATCH v4 1/3] vm: Support arbitrary partition flags Marius Bakke
2017-05-17 11:05 ` bug#26815: [PATCH v4 2/3] vm: Support creating FAT partitions Marius Bakke
2017-05-17 11:05 ` bug#26815: [PATCH v4 3/3] vm: Add UEFI loader to disk images Marius Bakke
2017-05-17 21:28 ` Ludovic Courtès
2017-05-18 16:21 ` Marius Bakke
2017-05-18 17:34 ` Marius Bakke
2017-05-18 20:59 ` Ludovic Courtès
2017-05-19 16:15 ` Marius Bakke
2017-05-19 17:37 ` Mathieu Othacehe
2017-05-19 18:06 ` Marius Bakke
2017-05-20 8:25 ` Ludovic Courtès
2017-05-20 8:55 ` Mathieu Othacehe
2017-05-20 9:23 ` Marius Bakke
2017-05-20 9:36 ` Ludovic Courtès
2017-05-20 9:36 ` Mathieu Othacehe
2017-05-20 10:05 ` Marius Bakke
2017-05-19 21:21 ` Ludovic Courtès
2017-05-18 20:50 ` Ludovic Courtès
2017-05-18 22:52 ` Marius Bakke
2017-05-19 7:00 ` Ludovic Courtès
2017-05-17 21:21 ` bug#26815: [PATCH v4 1/3] vm: Support arbitrary partition flags Ludovic Courtès
2017-05-07 15:28 ` bug#26815: [PATCH 1/3] vm: Add support for " Danny Milosavljevic
2017-05-08 14:43 ` Ludovic Courtès
2017-05-08 15:55 ` Maxim Cournoyer
2017-05-08 21:41 ` Danny Milosavljevic
2017-05-07 15:02 ` bug#26815: [PATCH 0/3] Hybrid UEFI disk image Marius Bakke
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