meta-starlingx/meta-stx-integ/recipes-core/initrdscripts/initramfs-module-setup-live/setup-live

   1 #/bin/sh
   2
   3 _UDEV_DAEMON=`udev_daemon`
   4
   5 setup_enabled() {
   6         return 0
   7 }
   8
   9 setup_run() {
  10 ROOT_IMAGE="rootfs.img"
  11 ISOLINUX=""
  12 ROOT_DISK=""
  13 shelltimeout=60
  14
  15         if [ -z "$bootparam_root" -o "$bootparam_root" = "/dev/ram0" ]; then
  16                 echo "Waiting for removable media..."
  17                 udevadm trigger --action=add
  18                 udevadm settle
  19                 echo "Mounted filesystems"
  20                 mount |grep media
  21                 C=0
  22                 while true
  23                 do
  24                   for i in `ls /run/media 2>/dev/null`; do
  25                       if [ -f /run/media/$i/$ROOT_IMAGE ] ; then
  26                                 found="yes"
  27                                 ROOT_DISK="$i"
  28                                 break
  29                           elif [ -f /run/media/$i/isolinux/$ROOT_IMAGE ]; then
  30                                 found="yes"
  31                                 ISOLINUX="isolinux"
  32                                 ROOT_DISK="$i"
  33                                 break
  34                       fi
  35                   done
  36                   if [ "$found" = "yes" ]; then
  37                       break;
  38                   fi
  39                   # don't wait for more than $shelltimeout seconds, if it's set
  40                   if [ -n "$shelltimeout" ]; then
  41                       echo " " $(( $shelltimeout - $C ))
  42                       if [ $C -ge $shelltimeout ]; then
  43                            echo "..."
  44                            echo "Mounted filesystems"
  45                            mount | grep media
  46                            echo "Available block devices"
  47                            cat /proc/partitions
  48                            msg "Cannot find $ROOT_IMAGE file in /run/media/* , dropping to a shell "
  49                            /bin/sh
  50                       fi
  51                       udevadm trigger --action=add
  52                       udevadm settle
  53                       echo "Mounted filesystems"
  54                       mount |grep media
  55                       C=$(( C + 1 ))
  56                   fi
  57                   sleep 1
  58                 done
  59                 killall -9 "${_UDEV_DAEMON##*/}" 2>/dev/null
  60                 # The existing rootfs module has no support for rootfs images. Assign the rootfs image.
  61                 bootparam_root="/run/media/$ROOT_DISK/$ISOLINUX/$ROOT_IMAGE"
  62         fi
  63
  64         if [ "$bootparam_LABEL" != "boot" -a -f /init.d/$bootparam_LABEL.sh ] ; then
  65                 if [ -f /run/media/$ROOT_DISK/$ISOLINUX/$ROOT_IMAGE ] ; then
  66                     ./init.d/$bootparam_LABEL.sh $ROOT_DISK/$ISOLINUX $ROOT_IMAGE $video_mode $vga_mode $console_params
  67                 else
  68                     msg "Could not find $bootparam_LABEL script"
  69                     /bin/sh
  70                 fi
  71
  72                 # If we're getting here, we failed...
  73                 msg "Target $bootparam_LABEL failed"
  74                 /bin/sh
  75         fi
  76 }