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="$(octeon_board_name)"
  28         local rootfs="$(platform_get_rootfs)"
  29
  30         mount -t ext4 -o rw,noatime "${rootfs}" /mnt
  31         cp -af "$CONF_TAR" /mnt/
  32         umount /mnt
  33 }
  34
  35 platform_do_upgrade() {
  36         local board=$(octeon_board_name)
  37         local rootfs="$(platform_get_rootfs)"
  38
  39         [ -b "${rootfs}" ] || return 1
  40
  41         case "$board" in
  42         erlite)
  43                 local tar_file="$1"
  44                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  45                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  46
  47                 mkdir -p /boot
  48                 mount -t vfat /dev/sda1 /boot
  49
  50                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  51                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  52                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  53                 }
  54
  55                 tar xf $tar_file sysupgrade-erlite/kernel -O > /boot/vmlinux.64
  56                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  57                 tar xf $tar_file sysupgrade-erlite/root -O | dd of="${rootfs}" bs=4096
  58                 sync
  59                 umount /boot
  60                 return 0
  61                 ;;
  62         esac
  63
  64         return 1
  65
  66 }
  67
  68 platform_check_image() {
  69         local board=$(octeon_board_name)
  70
  71         case "$board" in
  72         erlite)
  73                 local tar_file="$1"
  74                 local kernel_length=`(tar xf $tar_file sysupgrade-erlite/kernel -O | wc -c) 2> /dev/null`
  75                 local rootfs_length=`(tar xf $tar_file sysupgrade-erlite/root -O | wc -c) 2> /dev/null`
  76                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  77                         echo "The upgarde image is corrupt."
  78                         return 1
  79                 }
  80                 return 0
  81                 ;;
  82         esac
  83
  84         echo "Sysupgrade is not yet supported on $board."
  85         return 1
  86 }