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_flash() {
  39         local tar_file=$1
  40         local board=$2
  41         local kernel=$3
  42         local rootfs=$4
  43
  44         mkdir -p /boot
  45         mount -t vfat /dev/$kernel /boot
  46
  47         [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  48                 mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  49                 mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  50         }
  51
  52         echo "flashing kernel to /dev/$kernel"
  53         tar xf $tar_file sysupgrade-$board/kernel -O > /boot/vmlinux.64
  54         md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  55         echo "flashing rootfs to ${rootfs}"
  56         tar xf $tar_file sysupgrade-$board/root -O | dd of="${rootfs}" bs=4096
  57         sync
  58         umount /boot
  59 }
  60
  61 platform_do_upgrade() {
  62         local tar_file="$1"
  63         local board=$(octeon_board_name)
  64         local rootfs="$(platform_get_rootfs)"
  65         local kernel=
  66
  67         [ -b "${rootfs}" ] || return 1
  68         case "$board" in
  69         erlite)
  70                 kernel=sda1
  71                 ;;
  72         er)
  73                 kernel=mmcblk0p1
  74                 ;;
  75         *)
  76                 return 1
  77         esac
  78
  79         platform_do_flash $tar_file $board $kernel $rootfs
  80
  81         return 0
  82
  83 }
  84
  85 platform_check_image() {
  86         local board=$(octeon_board_name)
  87
  88         case "$board" in
  89         erlite | \
  90         er)
  91                 local tar_file="$1"
  92                 local kernel_length=`(tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null`
  93                 local rootfs_length=`(tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null`
  94                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  95                         echo "The upgarde image is corrupt."
  96                         return 1
  97                 }
  98                 return 0
  99                 ;;
 100         esac
 101
 102         echo "Sysupgrade is not yet supported on $board."
 103         return 1
 104 }