summaryrefslogtreecommitdiffstats
path: root/meta/recipes-core/initrdscripts/files/init-install-efi-testfs.sh
blob: 9c4b263d544ec17255e451a5f9fcd8317f91d044 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
#!/bin/sh -e
#
# Copyright (c) 2012, Intel Corporation.
# All rights reserved.
#
# install.sh [device_name] [rootfs_name]
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin

# We need 200 Mb for the boot partition
boot_size=200

# 50% for the second rootfs
testfs_ratio=50

found="no"

echo "Searching for a hard drive..."
for device in 'hda' 'hdb' 'sda' 'sdb' 'mmcblk0' 'mmcblk1'
do
    if [ -e /sys/block/${device}/removable ]; then
        if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then
            found="yes"

            while true; do
                # Try sleeping here to avoid getting kernel messages
                # obscuring/confusing user
                sleep 5
                echo "Found drive at /dev/${device}. Do you want to install this image there ? [y/n]"
                read answer
                if [ "$answer" = "y" ] ; then
                    break
                fi

                if [ "$answer" = "n" ] ; then
                    found=no
                    break
                fi

                echo "Please answer y or n"
            done
        fi
    fi

    if [ "$found" = "yes" ]; then
        break;
    fi

done

if [ "$found" = "no" ]; then
    exit 1
fi

echo "Installing image on /dev/${device}"

#
# The udev automounter can cause pain here, kill it
#
rm -f /etc/udev/rules.d/automount.rules
rm -f /etc/udev/scripts/mount*

#
# Unmount anything the automounter had mounted
#
umount /dev/${device}* 2> /dev/null || /bin/true

mkdir -p /tmp
cat /proc/mounts > /etc/mtab

disk_size=$(parted /dev/${device} unit mb print | grep '^Disk .*: .*MB' | cut -d" " -f 3 | sed -e "s/MB//")

testfs_size=$((disk_size*testfs_ratio/100))
rootfs_size=$((disk_size-boot_size-testfs_size))

rootfs_start=$((boot_size))
rootfs_end=$((rootfs_start+rootfs_size))
testfs_start=$((rootfs_end))

# MMC devices are special in a couple of ways
# 1) they use a partition prefix character 'p'
# 2) they are detected asynchronously (need rootwait)
rootwait=""
part_prefix=""
if [ ! "${device#mmcblk}" = "${device}" ]; then
    part_prefix="p"
    rootwait="rootwait"
fi
bootfs=/dev/${device}${part_prefix}1
rootfs=/dev/${device}${part_prefix}2
testfs=/dev/${device}${part_prefix}3

echo "*****************"
echo "Boot partition size:   $boot_size MB ($bootfs)"
echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
echo "Testfs partition size:   $testfs_size MB ($testfs)"
echo "*****************"
echo "Deleting partition table on /dev/${device} ..."
dd if=/dev/zero of=/dev/${device} bs=512 count=2

echo "Creating new partition table on /dev/${device} ..."
parted /dev/${device} mklabel gpt

echo "Creating boot partition on $bootfs"
parted /dev/${device} mkpart primary 0% $boot_size
parted /dev/${device} set 1 boot on

echo "Creating rootfs partition on $rootfs"
parted /dev/${device} mkpart primary $rootfs_start $rootfs_end

echo "Creating testfs partition on $testfs"
parted /dev/${device} mkpart primary $testfs_start 100%

parted /dev/${device} print

echo "Formatting $bootfs to vfat..."
mkfs.vfat -n "boot" $bootfs

echo "Formatting $rootfs to ext3..."
mkfs.ext3 -L "platform" $rootfs

echo "Formatting $testfs to ext3..."
mkfs.ext3 -L "testrootfs" $testfs

mkdir /ssd
mkdir /rootmnt
mkdir /bootmnt

mount $rootfs /ssd
mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /rootmnt

echo "Copying rootfs files..."
cp -a /rootmnt/* /ssd

touch /ssd/etc/masterimage

if [ -d /ssd/etc/ ] ; then
    # We dont want udev to mount our root device while we're booting...
    if [ -d /ssd/etc/udev/ ] ; then
        echo "/dev/${device}" >> /ssd/etc/udev/mount.blacklist
    fi
fi

umount /ssd
umount /rootmnt

echo "Preparing boot partition..."
mount $bootfs /ssd

EFIDIR="/ssd/EFI/BOOT"
mkdir -p $EFIDIR
cp /run/media/$1/vmlinuz /ssd
# Copy the efi loader
cp /run/media/$1/EFI/BOOT/*.efi $EFIDIR

if [ -f /run/media/$1/EFI/BOOT/grub.cfg ]; then
    GRUBCFG="$EFIDIR/grub.cfg"
    cp /run/media/$1/EFI/BOOT/grub.cfg $GRUBCFG
    # Update grub config for the installed image
    # Delete the install entry
    sed -i "/menuentry 'install'/,/^}/d" $GRUBCFG
    # Delete the initrd lines
    sed -i "/initrd /d" $GRUBCFG
    # Delete any LABEL= strings
    sed -i "s/ LABEL=[^ ]*/ /" $GRUBCFG
    # Delete any root= strings
    sed -i "s/ root=[^ ]*/ /" $GRUBCFG
    # Add the root= and other standard boot options
    sed -i "s@linux /vmlinuz *@linux /vmlinuz root=$rootfs rw $rootwait quiet @" $GRUBCFG
fi

if [ -d /run/media/$1/loader ]; then
    SYSTEMDBOOT_CFGS="/ssd/loader/entries/*.conf"
    # copy config files for systemd-boot
    cp -dr /run/media/$1/loader /ssd
    # delete the install entry
    rm -f /ssd/loader/entries/install.conf
    # delete the initrd lines
    sed -i "/initrd /d" $SYSTEMDBOOT_CFGS
    # delete any LABEL= strings
    sed -i "s/ LABEL=[^ ]*/ /" $SYSTEMDBOOT_CFGS
    # delete any root= strings
    sed -i "s/ root=[^ ]*/ /" $SYSTEMDBOOT_CFGS
    # add the root= and other standard boot options
    sed -i "s@options *@options root=$rootfs rw $rootwait quiet @" $SYSTEMDBOOT_CFGS
    # Add the test label
    echo -ne "title test\nlinux /test-kernel\noptions root=$testfs rw $rootwait quiet\n" > /ssd/loader/entries/test.conf
fi

umount /ssd
sync

echo "Remove your installation media, and press ENTER"

read enter

echo "Rebooting..."
reboot -f