meta-oran/recipes-core/initrdscripts/initramfs-module-setup-live/setup-live

   1 #/bin/sh
   2 # Copyright (C) 2011 O.S. Systems Software LTDA.
   3 # Licensed on MIT
   4
   5 _UDEV_DAEMON=`udev_daemon`
   6
   7 setup_enabled() {
   8         return 0
   9 }
  10
  11 setup_run() {
  12 ROOT_IMAGE="rootfs.img"
  13 ISOLINUX=""
  14 ROOT_DISK=""
  15 shelltimeout=60
  16
  17         if [ -z "$bootparam_root" -o "$bootparam_root" = "/dev/ram0" ]; then
  18                 echo "Waiting for removable media..."
  19                 udevadm trigger --action=add
  20                 udevadm settle
  21                 echo "Mounted filesystems"
  22                 mount |grep media
  23                 C=0
  24                 while true
  25                 do
  26                   for i in `ls /run/media 2>/dev/null`; do
  27                       if [ -f /run/media/$i/$ROOT_IMAGE ] ; then
  28                                 found="yes"
  29                                 ROOT_DISK="$i"
  30                                 break
  31                           elif [ -f /run/media/$i/isolinux/$ROOT_IMAGE ]; then
  32                                 found="yes"
  33                                 ISOLINUX="isolinux"
  34                                 ROOT_DISK="$i"
  35                                 break
  36                       fi
  37                   done
  38                   if [ "$found" = "yes" ]; then
  39                       break;
  40                   fi
  41                   # don't wait for more than $shelltimeout seconds, if it's set
  42                   if [ -n "$shelltimeout" ]; then
  43                       echo " " $(( $shelltimeout - $C ))
  44                       if [ $C -ge $shelltimeout ]; then
  45                            echo "..."
  46                            echo "Mounted filesystems"
  47                            mount | grep media
  48                            echo "Available block devices"
  49                            cat /proc/partitions
  50                            fatal "Cannot find $ROOT_IMAGE file in /run/media/* , dropping to a shell "
  51                       fi
  52                       udevadm trigger --action=add
  53                       udevadm settle
  54                       echo "Mounted filesystems"
  55                       mount |grep media
  56                       C=$(( C + 1 ))
  57                   fi
  58                   sleep 1
  59                 done
  60                 killall -9 "${_UDEV_DAEMON##*/}" 2>/dev/null
  61                 # The existing rootfs module has no support for rootfs images. Assign the rootfs image.
  62                 bootparam_root="/run/media/$ROOT_DISK/$ISOLINUX/$ROOT_IMAGE"
  63         fi
  64
  65         if [ "$bootparam_LABEL" != "boot" -a -f /init.d/$bootparam_LABEL.sh ] ; then
  66                 if [ -f /run/media/$ROOT_DISK/$ISOLINUX/$ROOT_IMAGE ] ; then
  67                     ./init.d/$bootparam_LABEL.sh $ROOT_DISK/$ISOLINUX $ROOT_IMAGE $video_mode $vga_mode $console_params
  68                 else
  69                     fatal "Could not find $bootparam_LABEL script"
  70                 fi
  71
  72                 # If we're getting here, we failed...
  73                 fatal "Target $bootparam_LABEL failed"
  74         fi
  75 }