target/linux/socfpga/base-files/lib/upgrade/sockit.sh

   1 #
   2 # Copyright (C) 2014-2015 OpenWrt.org
   3 #
   4
   5 BOOTPART=/dev/mmcblk0p2
   6 CFGPART=/dev/mmcblk0p3
   7
   8 identify_magic() {
   9         local magic=$1
  10         case "$magic" in
  11                 "55424923")
  12                         echo "ubi"
  13                         ;;
  14                 "31181006")
  15                         echo "ubifs"
  16                         ;;
  17                 "68737173")
  18                         echo "squashfs"
  19                         ;;
  20                 "d00dfeed")
  21                         echo "fit"
  22                         ;;
  23                 "00000000")
  24                         echo "ext4"
  25                         ;;
  26                 "4349"*)
  27                         echo "combined"
  28                         ;;
  29                 *)
  30                         echo "unknown $magic"
  31                         ;;
  32         esac
  33 }
  34
  35 get_magic_long_tar() {
  36         ( tar xf $1 $2 -O | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2> /dev/null
  37 }
  38
  39 identify_tar() {
  40         identify_magic $(get_magic_long_tar "$1" "$2")
  41 }
  42
  43 platform_do_check_sockit() {
  44         local board=$(socfpga_board_name)
  45         local magic_long="$(get_magic_long "$1")"
  46         echo "magic = $magic_long"
  47
  48         if [ "$magic_long" = "73797375" ] ; then
  49                 local rootfs_type="$(identify_tar "$1" sysupgrade-$board/root)"
  50                 if [ "$rootfs_type" = "ubifs" ] ; then
  51                         nand_do_platform_check $board $1
  52                         return 0;
  53                 fi
  54                 [ "$rootfs_type" = "ext4" ] && return 0
  55
  56                 echo "Unknown rootfs type $rootfs_type !"
  57         fi
  58
  59         return 1
  60 }
  61
  62 platform_do_upgrade_sockit() {
  63         local board=$(socfpga_board_name)
  64         local magic_long="$(get_magic_long "$1")"
  65         echo "magic = $magic_long"
  66
  67         if [ "$magic_long" = "73797375" ] ; then
  68                 local rootfs_type="$(identify_tar "$1" sysupgrade-$board/root)"
  69                 if [ "$rootfs_type" = "ext4" ] ; then
  70                         sync
  71                         tar xf "$1" sysupgrade-$board/root -O | \
  72                                 dd of="$BOOTPART" bs=512 conv=fsync
  73                         return 0
  74                 fi
  75
  76                 echo "Unknown rootfs type $rootfs_type !"
  77         fi
  78
  79         return 1
  80 }
  81
  82 platform_copy_config() {
  83         if [ -b "$CFGPART" ]; then
  84                 mount -o rw,noatime "$CFGPART" /mnt
  85                 cp -af "$CONF_TAR" /mnt/
  86                 umount /mnt
  87         fi
  88 }