3 # By Chih-Wei Huang <cwhuang@linux.org.tw>
4 # and Thorsten Glaser <tg@mirbsd.org>
6 # Last updated 2014/01/15
8 # License: GNU Public License
9 # We explicitely grant the right to use the scripts
10 # with Android-x86 project.
13 PATH=/sbin:/bin; export PATH
15 # configure debugging output
16 if [ -n "$DEBUG" ]; then
21 test -e "$LOG" || busybox mknod $LOG c 1 3
26 if test x"$HAS_CTTY" != x"Yes"; then
27 # initialise /proc and /sys
28 busybox mount -t proc proc /proc
29 busybox mount -t sysfs sys /sys
30 # let busybox install all applets as symlinks
32 # spawn shells on tty 2 and 3 if debug or installer
33 if test -n "$DEBUG" || test -n "$INSTALL"; then
34 # ensure they can open a controlling tty
36 # create device nodes then spawn on them
37 mknod /dev/tty2 c 4 2 && openvt
38 mknod /dev/tty3 c 4 3 && openvt
40 if test -z "$DEBUG" || test -n "$INSTALL"; then
41 echo 0 0 0 0 > /proc/sys/kernel/printk
43 # initialise /dev (first time)
45 echo /sbin/mdev > /proc/sys/kernel/hotplug
47 # re-run this script with a controlling tty
48 exec env HAS_CTTY=Yes setsid cttyhack /bin/sh "$0" "$@"
51 # now running under a controlling tty; debug output from stderr into log file
63 if [ "${ROOT#*:/}" != "$ROOT" ]; then
64 # for NFS roots, use nolock to avoid dependency to portmapper
67 # FIXME: any way to mount ntfs gracefully?
68 mount -o $RW $@ || mount.ntfs-3g -o rw,force $@
73 if [ "`dirname $1`" = "/dev" ]; then
76 [ ! -e /dev/block/$blk ] && ln $1 /dev/block
81 try_mount ro $dev /mnt || return 1
82 if [ -n "$iso" -a -e /mnt/$iso ]; then
83 mount --move /mnt /iso
85 mount -o loop /iso/$iso /mnt/iso
87 elif [ ! -e /mnt/$SRC/ramdisk.img ]; then
90 zcat /mnt/$SRC/ramdisk.img | cpio -id > /dev/null
91 if [ -e /mnt/$SRC/system.sfs ]; then
92 mount -o loop /mnt/$SRC/system.sfs /sfs
93 mount -o loop /sfs/system.img system
94 elif [ -e /mnt/$SRC/system.img ]; then
96 mount -o loop /mnt/$SRC/system.img system
97 elif [ -d /mnt/$SRC/system ]; then
99 mount --bind /mnt/$SRC/system system
105 mount -t tmpfs tmpfs cache
111 # "foo" as mount source is given to workaround a Busybox bug with NFS
112 # - as it's ignored anyways it shouldn't harm for other filesystems.
113 mount -o remount,rw foo /mnt
118 if which mksh >/dev/null 2>&1; then
119 echo Running MirBSD Korn Shell...
120 USER="($1)" mksh -l 2>&1
122 echo Running busybox ash...
127 echo -n Detecting Android-x86...
129 [ -z "$SRC" -a -n "$BOOT_IMAGE" ] && SRC=`dirname $BOOT_IMAGE`
131 for c in `cat /proc/cmdline`; do
134 eval `echo $c | cut -b1-3,18-`
141 mount -t tmpfs tmpfs /android
144 for device in ${ROOT:-/dev/[hmsv][dmr][0-9a-z]*}; do
145 check_root $device && break 2
146 mountpoint -q /mnt && umount /mnt
153 ln -s android/system /
154 ln -s ../system/lib/modules /lib
155 ln -s ../system/lib/firmware /lib
157 if [ -n "$INSTALL" ]; then
159 zcat /src/install.img | cpio -iud > /dev/null
162 # ensure keyboard driver is loaded
163 [ -n "$INSTALL" -o -n "$DEBUG" ] && modprobe atkbd
165 if [ 0$DEBUG -gt 0 ]; then
166 echo -e "\nType 'exit' to continue booting...\n"
167 debug_shell debug-found
171 for s in `ls /scripts/* /src/scripts/*`; do
172 test -e "$s" && source $s
175 # A target should provide its detect_hardware function.
176 # On success, return 0 with the following values set.
177 # return 1 if it wants to use auto_detect
178 [ "$AUTO" != "1" ] && detect_hardware && FOUND=1
180 [ -n "$INSTALL" ] && do_install
189 if [ 0$DEBUG -gt 1 ]; then
190 echo -e "\nUse Alt-F1/F2/F3 to switch between virtual consoles"
191 echo -e "Type 'exit' to enter Android...\n"
193 debug_shell debug-late
196 [ -n "$DEBUG" ] && SWITCH=${SWITCH:-chroot}
198 # We must disable mdev before switching to Android
199 # since it conflicts with Android's init
200 echo > /proc/sys/kernel/hotplug
202 exec ${SWITCH:-switch_root} /android /init
207 echo ' Android-x86 console shell. Use only in emergencies.'
209 debug_shell fatal-err