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_do_upgrade() {
  27         local board=$(octeon_board_name)
  28         local rootfs="$(platform_get_rootfs)"
  29
  30         [ -d "${rootfs}" ] || return 1
  31
  32         case "$board" in
  33         erlite)
  34                 local tar_file="$1"
  35                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  36                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  37
  38                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  39                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  40                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  41                 }
  42
  43                 mkdir -p /boot
  44                 mount -t vfat /dev/sda1 /boot
  45                 tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
  46                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  47                 tar xf $tar_file sysupgrade-erlite/root -O | dd of="${rootfs}" bs=4096
  48                 sync
  49                 umount /mnt
  50                 return 0
  51                 ;;
  52         esac
  53
  54         return 1
  55
  56 }
  57
  58 platform_check_image() {
  59         local board=$(octeon_board_name)
  60
  61         case "$board" in
  62         erlite)
  63                 local tar_file="$1"
  64                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  65                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  66                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  67                         echo "The upgarde image is corrupt."
  68                         return 1
  69                 }
  70                 return 0
  71                 ;;
  72         esac
  73
  74         echo "Sysupgrade is not yet supported on $board."
  75         return 1
  76 }