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         local board="$(cat /tmp/sysinfo/board_name)"
  26
  27         case "$board" in
  28         erlite)
  29                 mount -t vfat /dev/sda1 /mnt
  30                 cp -af "$CONF_TAR" /mnt/
  31                 umount /mnt
  32                 ;;
  33         esac
  34 }
  35
  36 platform_do_flash() {
  37         local tar_file=$1
  38         local board=$2
  39         local kernel=$3
  40         local rootfs=$4
  41
  42         mkdir -p /boot
  43         mount -t vfat /dev/$kernel /boot
  44
  45         [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  46                 mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  47                 mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  48         }
  49
  50         echo "flashing kernel to /dev/$kernel"
  51         tar xf $tar_file sysupgrade-$board/kernel -O > /boot/vmlinux.64
  52         md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  53         echo "flashing rootfs to ${rootfs}"
  54         tar xf $tar_file sysupgrade-$board/root -O | dd of="${rootfs}" bs=4096
  55         sync
  56         umount /boot
  57 }
  58
  59 platform_do_upgrade() {
  60         local tar_file="$1"
  61         local board=$(cat /tmp/sysinfo/board_name)
  62         local rootfs="$(platform_get_rootfs)"
  63         local kernel=
  64
  65         [ -b "${rootfs}" ] || return 1
  66         case "$board" in
  67         erlite)
  68                 kernel=sda1
  69                 ;;
  70         er)
  71                 kernel=mmcblk0p1
  72                 ;;
  73         *)
  74                 return 1
  75         esac
  76
  77         platform_do_flash $tar_file $board $kernel $rootfs
  78
  79         return 0
  80
  81 }
  82
  83 platform_check_image() {
  84         local board=$(cat /tmp/sysinfo/board_name)
  85
  86         case "$board" in
  87         erlite | \
  88         er)
  89                 local tar_file="$1"
  90                 local kernel_length=`(tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null`
  91                 local rootfs_length=`(tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null`
  92                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
  93                         echo "The upgarde image is corrupt."
  94                         return 1
  95                 }
  96                 return 0
  97                 ;;
  98         esac
  99
 100         echo "Sysupgrade is not yet supported on $board."
 101         return 1
 102 }