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 "$cmdline" in
  10                         *block2mtd=*)
  11                                 rootfsdev="${cmdline##*block2mtd=}"
  12                                 rootfsdev="${rootfsdev%%,*}"
  13                         ;;
  14                         *root=*)
  15                                 rootfsdev="${cmdline##*root=}"
  16                                 rootfsdev="${rootfsdev%% *}"
  17                         ;;
  18                 esac
  19
  20                 echo "${rootfsdev}"
  21         fi
  22 }
  23
  24 platform_copy_config() {
  25         case "$(board_name)" in
  26         erlite)
  27                 mount -t vfat /dev/sda1 /mnt
  28                 cp -af "$CONF_TAR" /mnt/
  29                 umount /mnt
  30                 ;;
  31         esac
  32 }
  33
  34 platform_do_flash() {
  35         local tar_file=$1
  36         local board=$2
  37         local kernel=$3
  38         local rootfs=$4
  39
  40         mkdir -p /boot
  41         mount -t vfat /dev/$kernel /boot
  42
  43         [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  44                 mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  45                 mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  46         }
  47
  48         echo "flashing kernel to /dev/$kernel"
  49         tar xf $tar_file sysupgrade-$board/kernel -O > /boot/vmlinux.64
  50         md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  51         echo "flashing rootfs to ${rootfs}"
  52         tar xf $tar_file sysupgrade-$board/root -O | dd of="${rootfs}" bs=4096
  53         sync
  54         umount /boot
  55 }
  56
  57 platform_do_upgrade() {
  58         local tar_file="$1"
  59         local board=$(board_name)
  60         local rootfs="$(platform_get_rootfs)"
  61         local kernel=
  62
  63         [ -b "${rootfs}" ] || return 1
  64         case "$board" in
  65         er)
  66                 kernel=mmcblk0p1
  67                 ;;
  68         erlite)
  69                 kernel=sda1
  70                 ;;
  71         *)
  72                 return 1
  73         esac
  74
  75         platform_do_flash $tar_file $board $kernel $rootfs
  76
  77         return 0
  78
  79 }
  80
  81 platform_check_image() {
  82         local board=$(board_name)
  83
  84         case "$board" in
  85         er | \
  86         erlite)
  87                 local tar_file="$1"
  88                 local kernel_length=`(tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null`
  89                 local rootfs_length=`(tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null`
  90                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  91                         echo "The upgrade image is corrupt."
  92                         return 1
  93                 }
  94                 return 0
  95                 ;;
  96         esac
  97
  98         echo "Sysupgrade is not yet supported on $board."
  99         return 1
 100 }