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

   1 #
   2 # Copyright (C) 2014 OpenWrt.org
   3 #
   4
   5 . /lib/functions/octeon.sh
   6
   7 platform_get_rootfs() {
   8         local rootfsdev
   9
  10         if read cmdline < /proc/cmdline; then
  11                 case "$cmdline" in
  12                         *block2mtd=*)
  13                                 rootfsdev="${cmdline##*block2mtd=}"
  14                                 rootfsdev="${rootfsdev%%,*}"
  15                         ;;
  16                         *root=*)
  17                                 rootfsdev="${cmdline##*root=}"
  18                                 rootfsdev="${rootfsdev%% *}"
  19                         ;;
  20                 esac
  21
  22                 echo "${rootfsdev}"
  23         fi
  24 }
  25
  26 platform_copy_config() {
  27         local board="$(octeon_board_name)"
  28
  29         case "$board" in
  30         erlite)
  31                 mount -t vfat /dev/sda1 /mnt
  32                 cp -af "$CONF_TAR" /mnt/
  33                 umount /mnt
  34                 ;;
  35         esac
  36 }
  37
  38 platform_do_upgrade() {
  39         local board=$(octeon_board_name)
  40         local rootfs="$(platform_get_rootfs)"
  41
  42         [ -b "${rootfs}" ] || return 1
  43
  44         case "$board" in
  45         erlite)
  46                 local tar_file="$1"
  47                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  48                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  49
  50                 mkdir -p /boot
  51                 mount -t vfat /dev/sda1 /boot
  52
  53                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  54                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  55                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  56                 }
  57
  58                 tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
  59                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  60                 tar xf $tar_file sysupgrade-erlite/root -O | dd of="${rootfs}" bs=4096
  61                 sync
  62                 umount /boot
  63                 return 0
  64                 ;;
  65         esac
  66
  67         return 1
  68
  69 }
  70
  71 platform_check_image() {
  72         local board=$(octeon_board_name)
  73
  74         case "$board" in
  75         erlite)
  76                 local tar_file="$1"
  77                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  78                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  79                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  80                         echo "The upgarde image is corrupt."
  81                         return 1
  82                 }
  83                 return 0
  84                 ;;
  85         esac
  86
  87         echo "Sysupgrade is not yet supported on $board."
  88         return 1
  89 }