src/initrd-recovery/init

   1 #!/bin/sh
   2
   3 export PATH=/usr/bin:/bin:/usr/sbin:/sbin
   4
   5 FAKE_ROOT=/system
   6 FAKE_ROOT_RO=/system-ro
   7 INFORM_PATH=/mnt/inform
   8 BOOT_PATH=/boot
   9 REBOOT_PARAM_PATH=${INFORM_PATH}/reboot-param.bin
  10
  11 reboot_upgrade_val=upgr
  12 reboot_recovery_val=rcvr
  13 reboot_nodef_val=ndef
  14 reboot_download_val=dwnl
  15
  16 STATUS_DIR=${FAKE_ROOT}/opt/data/recovery
  17 STATUS_FILE=${STATUS_DIR}/RW.STATUS
  18 DELTA_PATH_FILE=${STATUS_DIR}/DELTA.PATH
  19
  20 SYNC="/bin/sync"
  21 MKDIR="/bin/mkdir"
  22 MOUNT="/bin/mount"
  23 UMOUNT="/bin/umount"
  24 REBOOT="/sbin/reboot"
  25 BLKID="/usr/sbin/blkid"
  26
  27
  28 #------------------------------------------------
  29 #       mount_partitions
  30 #------------------------------------------------
  31 mount_apifs() {
  32     "$MOUNT" -t proc none /proc
  33     "$MOUNT" -t sysfs none /sys
  34     "$MOUNT" -t smackfs smackfs /smack
  35     "$MOUNT" -t tmpfs tmpfs /run -o rw,nosuid,nodev,mode=755
  36     "$MOUNT" -t tmpfs tmpfs /tmp -o mode=1777,smackfsroot=*
  37
  38     "$MKDIR" /dev/pts
  39     "$MOUNT" -t devpts devpts /dev/pts
  40 }
  41
  42 #------------------------------------------------
  43 #       mount_inform
  44 #------------------------------------------------
  45 mount_partitions() {
  46     PART_BOOT=$("$BLKID" -L "BOOT" -o device)
  47     if [ "z$PART_BOOT" != "z" ]; then
  48         "$MKDIR" -p ${BOOT_PATH}
  49         "$MOUNT" -t vfat ${PART_BOOT} ${BOOT_PATH}
  50     fi
  51
  52     PART_INFORM=$("$BLKID" -L "inform" -o device)
  53     if [ "z$PART_INFORM" != "z" ]; then
  54         "$MKDIR" -p ${INFORM_PATH}
  55         "$MOUNT" -t ext4 ${PART_INFORM} ${INFORM_PATH}
  56     fi
  57 }
  58
  59 #------------------------------------------------
  60 #       do_reboot
  61 #------------------------------------------------
  62 do_reboot() {
  63     echo "Reboot"
  64     "$UMOUNT" "$INFORM_PATH"
  65     "$UMOUNT" "$BOOT_PATH"
  66     "$SYNC"
  67     "$REBOOT"
  68     while [ 1 ]
  69     do
  70         sleep 1
  71         echo "."
  72     done
  73 }
  74
  75 #------------------------------------------------
  76 #       Main Routine Start
  77 #------------------------------------------------
  78 echo "You entered into /sbin/init on initrd"
  79
  80 mount_apifs
  81 mount_partitions
  82
  83 cd /
  84
  85 BOOT_MODE=normal
  86
  87 # Logic from boot.scr
  88 if [ -f "$REBOOT_PARAM_PATH" ]; then
  89     REBOOT_PARAM="$(cat $REBOOT_PARAM_PATH)"
  90     if [ "$REBOOT_PARAM" = "$reboot_upgrade_val" ]; then
  91         BOOT_MODE=fota
  92     elif [ "$REBOOT_PARAM" = "$reboot_recovery_val" ]; then
  93         BOOT_MODE=recovery
  94     elif [ "$REBOOT_PARAM" = "$reboot_download_val" ]; then
  95         BOOT_MODE=flash
  96     elif [ "$REBOOT_PARAM" = "$reboot_nodef_val" ]; then
  97         echo "This reboot parameter is not supported..."
  98     fi
  99 fi
 100
 101 echo "BOOTMODE is ${BOOT_MODE}"
 102
 103 if [ -f /sbin/${BOOT_MODE}-init ]; then
 104     exec "/sbin/${BOOT_MODE}-init"
 105 else
 106     echo "no ${BOOT_MODE}-init!!"
 107     echo "Do reboot!!"
 108     do_reboot
 109 fi