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-rw-r--r--meta-boot2qt/recipes-core/initramfs-basic/files/init.sh102
-rw-r--r--meta-boot2qt/recipes-core/initramfs-basic/init-basic.bb43
-rw-r--r--meta-boot2qt/recipes-core/initramfs-basic/initramfs-basic.bb50
3 files changed, 195 insertions, 0 deletions
diff --git a/meta-boot2qt/recipes-core/initramfs-basic/files/init.sh b/meta-boot2qt/recipes-core/initramfs-basic/files/init.sh
new file mode 100644
index 0000000..3db235b
--- /dev/null
+++ b/meta-boot2qt/recipes-core/initramfs-basic/files/init.sh
@@ -0,0 +1,102 @@
1#!/bin/sh
2
3PATH=/sbin:/bin:/usr/sbin:/usr/bin
4ROOT_MOUNT="/sysroot/"
5ROOT_DEVICE=""
6
7early_setup() {
8
9 mkdir -p /proc
10 mkdir -p /sys
11 mount -t proc proc /proc
12 mount -t sysfs sysfs /sys
13 mount -t devtmpfs none /dev
14
15 mkdir -p /run
16 mkdir -p /var/run
17}
18
19read_args() {
20
21 for arg in $(cat /proc/cmdline); do
22 value=$(echo ${arg} | cut -s -f2- -d '=')
23 case $arg in
24 root=*)
25 root=$value
26 ;;
27 debugshell*)
28 if [ -z "$value" ]; then
29 shelltimeout=30
30 else
31 shelltimeout=$value
32 fi
33 ;;
34 esac
35 done
36
37 if [ -z "$root" ] ; then
38 debug_shell "No root= specified via kernel command line."
39 else
40 case $root in
41 LABEL=*)
42 label=${root#LABEL=}
43 ;;
44 *)
45 debug_shell "This init script only supports root=LABEL=* for specifying root file system, but root=$root was provided."
46 ;;
47 esac
48 fi
49}
50
51mount_rootfs() {
52
53 mkdir -p $ROOT_MOUNT
54 mount $ROOT_DEVICE $ROOT_MOUNT
55 mount -n --move /proc $ROOT_MOUNT/proc
56 mount -n --move /sys $ROOT_MOUNT/sys
57 mount -n --move /dev $ROOT_MOUNT/dev
58
59 exec switch_root $ROOT_MOUNT /sbin/init || debug_shell "Couldn't switch_root."
60}
61
62switch_real_root() {
63
64 echo "Searching for media..."
65 C=0
66 while true
67 do
68
69 rootfs=$(findfs LABEL=$label)
70 if [ -n "$rootfs" ] ; then
71 ROOT_DEVICE=$rootfs
72 mount_rootfs
73 fi
74
75 # don't wait for more than $shelltimeout seconds, if it's set
76 if [ -n "$shelltimeout" ]; then
77 echo -n " " $(( $shelltimeout - $C ))
78 if [ $C -ge $shelltimeout ]; then
79 debug_shell "Cannot find root file system."
80 fi
81 C=$(( C + 1 ))
82 fi
83
84 sleep 1
85 done
86}
87
88debug_shell() {
89
90 echo ${1}
91 echo "Dropping to a shell."
92 exec sh
93}
94
95main() {
96
97 early_setup
98 read_args
99 switch_real_root
100}
101
102main
diff --git a/meta-boot2qt/recipes-core/initramfs-basic/init-basic.bb b/meta-boot2qt/recipes-core/initramfs-basic/init-basic.bb
new file mode 100644
index 0000000..25039e7
--- /dev/null
+++ b/meta-boot2qt/recipes-core/initramfs-basic/init-basic.bb
@@ -0,0 +1,43 @@
1############################################################################
2##
3## Copyright (C) 2016 The Qt Company Ltd.
4## Contact: https://www.qt.io/licensing/
5##
6## This file is part of the Boot to Qt meta layer.
7##
8## $QT_BEGIN_LICENSE:GPL$
9## Commercial License Usage
10## Licensees holding valid commercial Qt licenses may use this file in
11## accordance with the commercial license agreement provided with the
12## Software or, alternatively, in accordance with the terms contained in
13## a written agreement between you and The Qt Company. For licensing terms
14## and conditions see https://www.qt.io/terms-conditions. For further
15## information use the contact form at https://www.qt.io/contact-us.
16##
17## GNU General Public License Usage
18## Alternatively, this file may be used under the terms of the GNU
19## General Public License version 3 or (at your option) any later version
20## approved by the KDE Free Qt Foundation. The licenses are as published by
21## the Free Software Foundation and appearing in the file LICENSE.GPL3
22## included in the packaging of this file. Please review the following
23## information to ensure the GNU General Public License requirements will
24## be met: https://www.gnu.org/licenses/gpl-3.0.html.
25##
26## $QT_END_LICENSE$
27##
28############################################################################
29
30SUMMARY = "Simple init script that mounts root filesystem by label."
31LICENSE = "The-Qt-Company-DCLA-2.1"
32LIC_FILES_CHKSUM = "file://${QT_LICENSE};md5=80e06902b5f0e94ad0a78ee4f7fcb74b"
33SRC_URI = "file://init.sh"
34
35S = "${WORKDIR}"
36
37do_install () {
38 install -m 0755 ${WORKDIR}/init.sh ${D}/init
39}
40
41inherit allarch
42
43FILES_${PN} += "/init"
diff --git a/meta-boot2qt/recipes-core/initramfs-basic/initramfs-basic.bb b/meta-boot2qt/recipes-core/initramfs-basic/initramfs-basic.bb
new file mode 100644
index 0000000..31388d3
--- /dev/null
+++ b/meta-boot2qt/recipes-core/initramfs-basic/initramfs-basic.bb
@@ -0,0 +1,50 @@
1############################################################################
2##
3## Copyright (C) 2016 The Qt Company Ltd.
4## Contact: https://www.qt.io/licensing/
5##
6## This file is part of the Boot to Qt meta layer.
7##
8## $QT_BEGIN_LICENSE:GPL$
9## Commercial License Usage
10## Licensees holding valid commercial Qt licenses may use this file in
11## accordance with the commercial license agreement provided with the
12## Software or, alternatively, in accordance with the terms contained in
13## a written agreement between you and The Qt Company. For licensing terms
14## and conditions see https://www.qt.io/terms-conditions. For further
15## information use the contact form at https://www.qt.io/contact-us.
16##
17## GNU General Public License Usage
18## Alternatively, this file may be used under the terms of the GNU
19## General Public License version 3 or (at your option) any later version
20## approved by the KDE Free Qt Foundation. The licenses are as published by
21## the Free Software Foundation and appearing in the file LICENSE.GPL3
22## included in the packaging of this file. Please review the following
23## information to ensure the GNU General Public License requirements will
24## be met: https://www.gnu.org/licenses/gpl-3.0.html.
25##
26## $QT_END_LICENSE$
27##
28############################################################################
29
30DESCRIPTION = "Basic initramfs image. Useful as a template for more advanced functionality."
31LICENSE = "The-Qt-Company-DCLA-2.1"
32LIC_FILES_CHKSUM = "file://${QT_LICENSE};md5=80e06902b5f0e94ad0a78ee4f7fcb74b"
33
34# findfs from busybox fails to do its jobs, the full version from util-linux-findfs works fine
35PACKAGE_INSTALL = "init-basic busybox util-linux-findfs ${ROOTFS_BOOTSTRAP_INSTALL}"
36
37# Do not pollute the initramfs image with rootfs features
38IMAGE_FEATURES = ""
39
40export IMAGE_BASENAME = "initramfs-basic"
41IMAGE_LINGUAS = ""
42
43IMAGE_FSTYPES = "cpio.gz"
44inherit core-image
45
46IMAGE_ROOTFS_SIZE = "8192"
47IMAGE_ROOTFS_EXTRA_SPACE = "0"
48
49BAD_RECOMMENDATIONS += "busybox-syslog"
50