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/$BACKUP_FILE"
  30                 umount /mnt
  31                 ;;
  32         ubnt,edgerouter-4 | \
  33         ubnt,edgerouter-6p)
  34                 mount -t vfat /dev/mmcblk0p1 /mnt
  35                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  36                 umount /mnt
  37                 ;;
  38         esac
  39 }
  40
  41 platform_do_flash() {
  42         local tar_file=$1
  43         local board=$2
  44         local kernel=$3
  45         local rootfs=$4
  46
  47         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
  48         board_dir=${board_dir%/}
  49         [ -n "$board_dir" ] || return 1
  50
  51         mkdir -p /boot
  52
  53         if [ $board = "itus,shield-router" ]; then
  54                 # mmcblk1p1 (fat) contains all ELF-bin images for the Shield
  55                 mount /dev/mmcblk1p1 /boot
  56
  57                 echo "flashing Itus Kernel to /boot/$kernel (/dev/mmblk1p1)"
  58                 tar -Oxf $tar_file "$board_dir/kernel" > /boot/$kernel
  59         else
  60                 mount -t vfat /dev/$kernel /boot
  61
  62                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  63                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  64                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  65                 }
  66
  67                 echo "flashing kernel to /dev/$kernel"
  68                 tar xf $tar_file $board_dir/kernel -O > /boot/vmlinux.64
  69                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  70         fi
  71
  72         echo "flashing rootfs to ${rootfs}"
  73         tar xf $tar_file $board_dir/root -O | dd of="${rootfs}" bs=4096
  74
  75         sync
  76         umount /boot
  77 }
  78
  79 platform_do_upgrade() {
  80         local tar_file="$1"
  81         local board=$(board_name)
  82         local rootfs="$(platform_get_rootfs)"
  83         local kernel=
  84
  85         [ -b "${rootfs}" ] || return 1
  86         case "$board" in
  87         er | \
  88         ubnt,edgerouter-4 | \
  89         ubnt,edgerouter-6p)
  90                 kernel=mmcblk0p1
  91                 ;;
  92         erlite)
  93                 kernel=sda1
  94                 ;;
  95         itus,shield-router)
  96                 kernel=ItusrouterImage
  97                 ;;
  98         *)
  99                 return 1
 100         esac
 101
 102         platform_do_flash $tar_file $board $kernel $rootfs
 103
 104         return 0
 105 }
 106
 107 platform_check_image() {
 108         local board=$(board_name)
 109         local tar_file="$1"
 110
 111         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
 112         board_dir=${board_dir%/}
 113         [ -n "$board_dir" ] || return 1
 114
 115         case "$board" in
 116         er | \
 117         erlite | \
 118         itus,shield-router | \
 119         ubnt,edgerouter-4 | \
 120         ubnt,edgerouter-6p)
 121                 local kernel_length=$(tar xf $tar_file $board_dir/kernel -O | wc -c 2> /dev/null)
 122                 local rootfs_length=$(tar xf $tar_file $board_dir/root -O | wc -c 2> /dev/null)
 123                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
 124                         echo "The upgrade image is corrupt."
 125                         return 1
 126                 }
 127                 return 0
 128                 ;;
 129         esac
 130
 131         echo "Sysupgrade is not yet supported on $board."
 132         return 1
 133 }