#!/bin/busybox sh
#
# By Chih-Wei Huang <cwhuang@linux.org.tw>
-# Last updated 2009/07/18
+# and Thorsten Glaser <tg@mirbsd.org>
#
# License: GNU Public License
# We explicitely grant the right to use the scripts
# with Android-x86 project.
#
-if [ -n "$DEBUG" ]; then
+PATH=/sbin:/bin:/system/bin:/system/xbin; export PATH
+
+# auto installation
+[ -n "$AUTO_INSTALL" ] && INSTALL=1
+
+# configure debugging output
+if [ -n "$DEBUG" -o -n "$INSTALL" ]; then
LOG=/tmp/log
set -x
else
LOG=/dev/null
- [ -e $LOG ] || busybox mknod $LOG c 1 3
+ test -e "$LOG" || busybox mknod $LOG c 1 3
fi
-exec 2> $LOG
-
-busybox mount -t proc proc /proc
-busybox mount -t sysfs sys /sys
-
-busybox --install -s
-
-export PATH=$PATH:/system/bin
-
-if [ -n "$DEBUG" ]; then
- mknod /dev/tty2 c 4 2 && openvt
- mknod /dev/tty3 c 4 3 && openvt
+exec 2>> $LOG
+
+# early boot
+if test x"$HAS_CTTY" != x"Yes"; then
+ # initialise /proc and /sys
+ busybox mount -t proc proc /proc
+ busybox mount -t sysfs sys /sys
+ # let busybox install all applets as symlinks
+ busybox --install -s
+ # spawn shells on tty 2 and 3 if debug or installer
+ if test -n "$DEBUG" || test -n "$INSTALL"; then
+ # ensure they can open a controlling tty
+ mknod /dev/tty c 5 0
+ # create device nodes then spawn on them
+ mknod /dev/tty2 c 4 2 && openvt
+ mknod /dev/tty3 c 4 3 && openvt
+ fi
+ if test -z "$DEBUG" || test -n "$INSTALL"; then
+ echo 0 0 0 0 > /proc/sys/kernel/printk
+ fi
+ # initialise /dev (first time)
+ mkdir -p /dev/block
+ echo /sbin/mdev > /proc/sys/kernel/hotplug
+ mdev -s
+ # re-run this script with a controlling tty
+ exec env HAS_CTTY=Yes setsid cttyhack /bin/sh "$0" "$@"
fi
-echo -n Detecting Android...
-
-while [ 1 ]; do
- mdev -s
+# now running under a controlling tty; debug output from stderr into log file
+# boot up Android
+
+error()
+{
+ echo $*
+ return 1
+}
+
+try_mount()
+{
+ RW=$1; shift
+ if [ "${ROOT#*:/}" != "$ROOT" ]; then
+ # for NFS roots, use nolock to avoid dependency to portmapper
+ mount -o $RW,noatime,nolock $@
+ return $?
+ fi
+ case $(blkid $1) in
+ *TYPE=*ntfs*)
+ mount.ntfs-3g -o rw,force $@
+ ;;
+ *TYPE=*)
+ mount -o $RW,noatime $@
+ ;;
+ *)
+ return 1
+ ;;
+ esac
+}
+
+check_root()
+{
+ if [ "`dirname $1`" = "/dev" ]; then
+ [ -e $1 ] || return 1
+ blk=`basename $1`
+ [ ! -e /dev/block/$blk ] && ln $1 /dev/block
+ dev=/dev/block/$blk
+ else
+ dev=$1
+ fi
+ try_mount ro $dev /mnt || return 1
+ if [ -n "$iso" -a -e /mnt/$iso ]; then
+ mount --move /mnt /iso
+ mkdir /mnt/iso
+ mount -o loop /iso/$iso /mnt/iso
+ fi
+ if [ -e /mnt/$SRC/$RAMDISK ]; then
+ zcat /mnt/$SRC/$RAMDISK | cpio -id > /dev/null
+ elif [ -b /dev/$RAMDISK ]; then
+ zcat /dev/$RAMDISK | cpio -id > /dev/null
+ else
+ return 1
+ fi
+ if [ -e /mnt/$SRC/system.sfs ]; then
+ mount -o loop,noatime /mnt/$SRC/system.sfs /sfs
+ mount -o loop,noatime /sfs/system.img system
+ elif [ -e /mnt/$SRC/system.img ]; then
+ remount_rw
+ mount -o loop,noatime /mnt/$SRC/system.img system
+ elif [ -s /mnt/$SRC/system/build.prop ]; then
+ remount_rw
+ mount --bind /mnt/$SRC/system system
+ elif [ -z "$SRC" -a -s /mnt/build.prop ]; then
+ mount --bind /mnt system
+ else
+ rm -rf *
+ return 1
+ fi
+ mkdir -p mnt
+ echo " found at $1"
+ rm /sbin/mke2fs
+ hash -r
+}
+
+remount_rw()
+{
+ # "foo" as mount source is given to workaround a Busybox bug with NFS
+ # - as it's ignored anyways it shouldn't harm for other filesystems.
+ mount -o remount,rw foo /mnt
+}
+
+debug_shell()
+{
+ if [ -x system/bin/sh ]; then
+ echo Running MirBSD Korn Shell...
+ USER="($1)" system/bin/sh -l 2>&1
+ [ $? -ne 0 ] && /bin/sh 2>&1
+ else
+ echo Running busybox ash...
+ sh 2>&1
+ fi
+}
+
+echo -n Detecting Android-x86...
+
+[ -z "$SRC" -a -n "$BOOT_IMAGE" ] && SRC=`dirname $BOOT_IMAGE`
+[ -z "$RAMDISK" ] && RAMDISK=ramdisk.img || RAMDISK=${RAMDISK##/dev/}
+
+for c in `cat /proc/cmdline`; do
+ case $c in
+ iso-scan/filename=*)
+ SRC=iso
+ eval `echo $c | cut -b1-3,18-`
+ ;;
+ *)
+ ;;
+ esac
+done
- for device in /dev/sr* /dev/sd[a-z]*; do
- mount -o ro $device /mnt || continue
- cd /mnt/$SRC
- if [ ! -e ramdisk.img -o ! \( -e system.img -o -e system.sfs \) ]; then
- umount /mnt
- continue
- fi
- mount -t tmpfs tmpfs /android
- cd /android
- zcat /mnt/$SRC/ramdisk.img | cpio -id > /dev/null
- if [ -e /mnt/$SRC/system.sfs ]; then
- mount -o loop /mnt/$SRC/system.sfs /sfs
- mount -o loop /sfs/system.img system
- else
- mount -o loop /mnt/$SRC/system.img system
- fi
- mkdir cache sdcard
- mount -t tmpfs tmpfs cache
- echo " found at $device"
- break
+mount -t tmpfs tmpfs /android
+cd /android
+while :; do
+ for device in ${ROOT:-/dev/[hmnsvx][dmrv][0-9a-z]*}; do
+ check_root $device && break 2
+ mountpoint -q /mnt && umount /mnt
done
- mountpoint -q /android && break
sleep 1
echo -n .
done
+ln -s mnt/$SRC /src
ln -s android/system /
-
ln -s ../system/lib/firmware ../system/lib/modules /lib
-if [ -n "$DEBUG" -o -n "$BUSYBOX" ]; then
- mv /bin /lib .
- system/bin/ln -s android/lib /lib
- system/bin/ln -s android/bin /bin
- sed -i 's|\(PATH *\)\(/sbin\)|\1/bin:\2|;s|\(/system\)\(/bin/sh\)|\2|' init.rc
- mv /sbin/* sbin
- rmdir /sbin
- ln -s android/sbin /
+if [ -n "$INSTALL" ]; then
+ zcat /src/install.img | ( cd /; cpio -iud > /dev/null )
fi
-if [ -n "$DEBUG" ]; then
- echo -e "\nType 'exit' to continue booting...\n"
- sh
+if [ -x system/bin/ln -a -n "$BUSYBOX" ]; then
+ mv -f /bin /lib .
+ sed -i 's|\( PATH.*\)|\1:/bin|' init.environ.rc
+ rm /sbin/modprobe
+ busybox mv /sbin/* sbin
+ rmdir /sbin
+ ln -s android/bin android/lib android/sbin /
+ hash -r
fi
# load scripts
-for s in `ls /scripts/* /mnt/$SRC/scripts/*`; do
- source $s
+for s in `ls /scripts/* /src/scripts/*`; do
+ test -e "$s" && source $s
done
-load_modules
+# ensure keyboard driver is loaded
+if [ -n "$INSTALL" -o -n "$DEBUG" ]; then
+ busybox modprobe -a atkbd hid-apple
+ auto_detect &
+fi
-[ -n "$INSTALL" ] && install_hd
+if [ 0$DEBUG -gt 0 ]; then
+ echo -e "\nType 'exit' to continue booting...\n"
+ debug_shell debug-found
+fi
+# A target should provide its detect_hardware function.
+# On success, return 0 with the following values set.
+# return 1 if it wants to use auto_detect
+[ "$AUTO" != "1" ] && detect_hardware && FOUND=1
+
+[ -n "$INSTALL" ] && do_install
+
+load_modules
mount_data
mount_sdcard
+setup_tslib
+setup_dpi
+post_detect
-if [ -n "$DEBUG" ]; then
+if [ 0$DEBUG -gt 1 ]; then
echo -e "\nUse Alt-F1/F2/F3 to switch between virtual consoles"
echo -e "Type 'exit' to enter Android...\n"
- # FIXME: all error messages in the shell are sent to $LOG
- sh
- chroot /android /init
-else
- exec switch_root /android /init
+ debug_shell debug-late
+ SETUPWIZARD=${SETUPWIZARD:-0}
fi
-sh # aviod kernel panic
+[ "$SETUPWIZARD" = "0" ] && echo "ro.setupwizard.mode=DISABLED" >> default.prop
+
+[ -n "$DEBUG" ] && SWITCH=${SWITCH:-chroot}
+
+# We must disable mdev before switching to Android
+# since it conflicts with Android's init
+echo > /proc/sys/kernel/hotplug
+
+export ANDROID_ROOT=/system
+
+exec ${SWITCH:-switch_root} /android /init
+
+# avoid kernel panic
+while :; do
+ echo
+ echo ' Android-x86 console shell. Use only in emergencies.'
+ echo
+ debug_shell fatal-err
+done
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