target/linux/octeon/base-files/lib/upgrade/platform.sh

   1 #
   2 # Copyright (C) 2014 OpenWrt.org
   3 #
   4
   5 platform_get_rootfs() {
   6         local rootfsdev
   7
   8         if read cmdline < /proc/cmdline; then
   9                 case "$cmdline" in
  10                         *root=*)
  11                                 rootfsdev="${cmdline##*root=}"
  12                                 rootfsdev="${rootfsdev%% *}"
  13                         ;;
  14                 esac
  15
  16                 echo "${rootfsdev}"
  17         fi
  18 }
  19
  20 platform_copy_config() {
  21         case "$(board_name)" in
  22         erlite)
  23                 mount -t vfat /dev/sda1 /mnt
  24                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  25                 umount /mnt
  26                 ;;
  27         itus,shield-router)
  28                 mount -t vfat /dev/mmcblk1p1 /mnt
  29                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  30                 umount /mnt
  31                 ;;
  32         ubnt,edgerouter-4)
  33                 mount -t vfat /dev/mmcblk0p1 /mnt
  34                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  35                 umount /mnt
  36                 ;;
  37         esac
  38 }
  39
  40 platform_do_flash() {
  41         local tar_file=$1
  42         local board=$2
  43         local kernel=$3
  44         local rootfs=$4
  45
  46         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
  47         board_dir=${board_dir%/}
  48         [ -n "$board_dir" ] || return 1
  49
  50         mkdir -p /boot
  51
  52         if [ $board = "itus,shield-router" ]; then
  53                 # mmcblk1p1 (fat) contains all ELF-bin images for the Shield
  54                 mount /dev/mmcblk1p1 /boot
  55
  56                 echo "flashing Itus Kernel to /boot/$kernel (/dev/mmblk1p1)"
  57                 tar -Oxf $tar_file "$board_dir/kernel" > /boot/$kernel
  58         else
  59                 mount -t vfat /dev/$kernel /boot
  60
  61                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  62                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  63                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  64                 }
  65
  66                 echo "flashing kernel to /dev/$kernel"
  67                 tar xf $tar_file $board_dir/kernel -O > /boot/vmlinux.64
  68                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  69         fi
  70
  71         echo "flashing rootfs to ${rootfs}"
  72         tar xf $tar_file $board_dir/root -O | dd of="${rootfs}" bs=4096
  73
  74         sync
  75         umount /boot
  76 }
  77
  78 platform_do_upgrade() {
  79         local tar_file="$1"
  80         local board=$(board_name)
  81         local rootfs="$(platform_get_rootfs)"
  82         local kernel=
  83
  84         [ -b "${rootfs}" ] || return 1
  85         case "$board" in
  86         er | \
  87         ubnt,edgerouter-4)
  88                 kernel=mmcblk0p1
  89                 ;;
  90         erlite)
  91                 kernel=sda1
  92                 ;;
  93         itus,shield-router)
  94                 kernel=ItusrouterImage
  95                 ;;
  96         *)
  97                 return 1
  98         esac
  99
 100         platform_do_flash $tar_file $board $kernel $rootfs
 101
 102         return 0
 103 }
 104
 105 platform_check_image() {
 106         local board=$(board_name)
 107         local tar_file="$1"
 108
 109         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
 110         board_dir=${board_dir%/}
 111         [ -n "$board_dir" ] || return 1
 112
 113         case "$board" in
 114         er | \
 115         erlite | \
 116         itus,shield-router | \
 117         ubnt,edgerouter-4)
 118                 local kernel_length=$(tar xf $tar_file $board_dir/kernel -O | wc -c 2> /dev/null)
 119                 local rootfs_length=$(tar xf $tar_file $board_dir/root -O | wc -c 2> /dev/null)
 120                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
 121                         echo "The upgrade image is corrupt."
 122                         return 1
 123                 }
 124                 return 0
 125                 ;;
 126         esac
 127
 128         echo "Sysupgrade is not yet supported on $board."
 129         return 1
 130 }