run_gingerbread: fix signal handling and exit

[android_pandora.git] / pnd / run_gingerbread.sh

#!/bin/bash
# run/kill Android from Linux, the hackjob script
# (c) Grazvydas "notaz" Ignotas, 2012
set -e -x

if [ "`id -u`" != "0" ]; then
  # gksudo causes logging not to work somehow..
  # so use it to only ask for password, use sudo to re-run the script
  gksudo -m "Android needs root privileges to run, please enter your password" id
  exec sudo -n $0
fi

root=/mnt/android
mpoint_main=`pwd`
kernel_ver=`uname -r`
exitcode=1

trap onexit INT QUIT TERM EXIT
trap '' HUP

err()
{
  zenity --error --text "$1"
  echo "$1"
}

onexit()
{
  set +e +x

  list="/sbin/ueventd /system/bin/logcat /system/bin/sh /system/bin/servicemanager
    /system/bin/vold /system/bin/netd /system/bin/rild /system/bin/installd /sbin/adbd
    /system/bin/mediaserver /system/bin/keystore /system/bin/debuggerd
    /system/bin/dbus-daemon"
  for pr in $list; do
    pb=`basename $pr`
    p=`ps -C $pb -o pid=,cmd= | grep $pr | awk '{print $1}'`
    test -n "$p" && echo kill $p $pr && kill $p
  done
  for pr in $list; do
    pb=`basename $pr`
    p=`ps -C $pb -o pid=,cmd= | grep $pr | awk '{print $1}'`
    test -n "$p" && echo kill -9 $p $pr && kill -9 $p
  done
  list2=`ps ax | grep -v grep | grep -e ':.. /system/' -e ':.. /data/' -e ' android\.' | awk '{print $1}'`
  list3=`lsof | grep '/dev/binder' | awk '{print $2}' | uniq`
  for p in $list2 $list3; do
    test -n "$p" && echo kill $p && kill $p
  done
  
  sleep 0.5
  
  for i in `seq 4`; do
    sdmounts=`grep -e '\.android_secure' -e 'secure/asec' -e 'mnt/sdcard' /proc/mounts`
    if [ -n "$sdmounts" ]; then
      echo "$sdmounts" | awk '{print $2}' | xargs umount
    fi

    omounts=`grep "$root/" /proc/mounts | awk '{print $2}'`
    if [ -n "$omounts" ]; then
      for m in $omounts; do
        if ! umount $m; then
          umount -i $m
        fi
      done
    fi

    sleep 0.5
    if umount $root; then
      break;
    fi
  done

  if ! pidof X > /dev/null; then
    # need to restore SGX, X and friends
    rmmod bufferclass_ti omaplfb pvrsrvkm
    /etc/init.d/pvr-init start
    rmmod wl1251_sdio # hmh
    /etc/init.d/NetworkManager start
    /etc/init.d/slim-init start
  fi

  if ! ps a | grep -q 'pnd_run.*run_gingerbread.sh'; then
    # something killed pnd_run, have to clean up for it
    cat > /tmp/clean_android.sh <<EOF
      #!/bin/bash
      trap '' HUP
      sleep 3
      umount $mpoint_main
      umount $mpoint_main # needed twice??
      losetup -a | awk -F ':' '{ print \$1 }' | xargs losetup -d 2> /dev/null
      rm $0
EOF
    cd /tmp/
    chmod +x /tmp/clean_android.sh
    /tmp/clean_android.sh &
    sleep 1
  fi
  exit $exitcode
}


# logger, binder and ashmem
delay=0
if ! test -e /dev/log_events; then
  modprobe logger
  delay=0.5
fi
if ! test -e /dev/binder; then
  modprobe binder
  delay=0.5
fi
if ! test -e /dev/ashmem; then
  modprobe ashmem
  delay=0.5
fi
sleep $delay
if test ! -e /dev/log_events -o ! -e /dev/binder -o ! -e /dev/ashmem; then
  err "could not load required Android modules,\n\
perhaps you are running unsupported\nfirmware/kernel."
  exit 1
fi

if ! test -e rootfs.ext2; then
  if ! cp -v pandora/default_rootfs.ext2 rootfs.ext2; then
    err "file copy failed, not enough space?"
    exit 1
  fi
fi

if ! test -e data.ext4; then
  size=`zenity --entry --text="\
    Android needs a partition to store it's data and installed programs.\n\
    This will be stored in preallocated file of size that you have to select now.\n\
    Android documentation recommends at least 150MB, going below 50MB will cause\n\
    problems, as well as over 2GB if you are running from FAT partitioned card.\n\n\
    Please select size of Android data partition (in megabytes):\n\
    (creation may take several minutes after you press OK)" \
      --entry-text=150`
  if test -z "$size" || ! dd if=/dev/zero of=data.ext4 bs=1M count=$size; then
    err "failed to create file, not enough space? bad input?"
    exit 1
  fi
  if ! mkfs.ext4 -O ^has_journal -m 0 -F data.ext4; then
    err "failed to create filesystem"
    exit 1
  fi
fi

if ! fsck.ext4 -y data.ext4 || ! fsck.ext2 -y rootfs.ext2; then
  if [ "$?" -ge "4" ]; then
    err "file corruption detected, try clearing appdata."
    exit 1
  fi
fi

mkdir -p $root
mount -o loop,rw,noatime rootfs.ext2 $root
mount --bind $mpoint_main/system/ $root/system/
mount -o loop,rw,noatime data.ext4 $root/data

mkdir -p $root/vendor/

# handle SGX
mkdir -p $root/vendor/pvr
echo "0 0 android" > $root/vendor/pvr/egl.cfg

# load the right SGX driver
sgx_kernel_loaded=false
if ! grep -q '1.5.15.2766' /proc/pvr/version 2> /dev/null; then
  echo have to change SGX kernel driver
  /etc/init.d/pvr-init stop || true
  if test -d $mpoint_main/pandora/pvr/$kernel_ver; then
    # found with this android release
    pvrbase=$mpoint_main/pandora/pvr/$kernel_ver
  elif test -d /lib/modules/$kernel_ver/kernel/drivers/gpu/pvr/1.5.15.2766; then
    # found in firmware
    pvrbase=/lib/modules/$kernel_ver/kernel/drivers/gpu/pvr/1.5.15.2766
  fi

  if [ "x$pvrbase" != "x" ]; then
    if insmod $pvrbase/pvrsrvkm.ko && insmod $pvrbase/omaplfb.ko; then
      sgx_kernel_loaded=true
      # optional
      insmod $pvrbase/bufferclass_ti.ko || true
    fi
  fi
else
  sgx_kernel_loaded=true
fi

sgx_user_ready=false
#if false; then
if $sgx_kernel_loaded; then
  es=`cat /etc/powervr-esrev`
  if [ "x$es" = "x" ]; then
    err "unable to determine SGX version"
  else
    es="es$es"
    # for some braindead reason 103 is named 121 too
    sgx_ver=121
    if [ "$es" = "es5" ]; then
      sgx_ver=125
    else
      ln -fs /system/lib/$es/libGLESv2_POWERVR_SGX530_121.so $root/vendor/pvr/
      ln -fs /system/lib/$es/libGLESv1_CM_POWERVR_SGX530_121.so $root/vendor/pvr/
    fi
    ln -fs /system/bin/$es/pvrsrvinit $root/vendor/pvr/
    ln -fs /system/lib/$es/libPVRScopeServices.so $root/vendor/pvr/
    ln -fs /system/lib/$es/libglslcompiler.so $root/vendor/pvr/
    ln -fs /system/lib/$es/libsrv_um.so $root/vendor/pvr/
    ln -fs /system/lib/$es/libIMGegl.so $root/vendor/pvr/

    echo "0 1 POWERVR_SGX530_$sgx_ver" >> $root/vendor/pvr/egl.cfg
    sgx_user_ready=true
  fi
fi

if ! $sgx_user_ready; then
  err "SGX driver load failed, no 3D support"
fi

# stop X and interfering things, get wifi ready
set +e
if pidof xfce4-session > /dev/null; then
  user=`cat /tmp/currentuser`
  # most often doesn't work :(
  #if ! test -z "$user"; then
  #  su -c 'xfce4-session-logout --logout' $user
  #fi
fi
/etc/init.d/NetworkManager stop
modprobe mac80211
/etc/init.d/wl1251-init start
/etc/init.d/slim-init stop
sleep 1 # for wlan0, hmh..
chvt 2 & # may hang..
sleep 1
killall chvt 2> /dev/null || true
ifconfig wlan0 down
set -e

cp -v /etc/pointercal $root/vendor/
cp -v /lib/modules/$kernel_ver/kernel/drivers/net/wireless/wl1251/wl1251_sdio.ko $root/vendor/
mkdir -p $root/vendor/firmware
cp -v /lib/firmware/brf6300.bin $root/vendor/firmware/

# some cleanup
rm -rf $root/acct/uid/*

chroot $root /init &

# wait for a message
while true; do
  sleep 1

  if nc -V 2> /dev/null | grep -q GNU; then
    # GNU nc always fails
    msg=`nc -l -p 36936 localhost || true`
  else
    msg=`nc -l localhost 36936`
  fi
  if [ "x$msg" = "xquit" ]; then
    break
  fi
  echo "unknown message: $msg"
done

# real init can't be killed this way
killall init

# done, run exit handler indirectly
exitcode=0