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 "$(board_name)" in
  26         erlite)
  27                 mount -t vfat /dev/sda1 /mnt
  28                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  29                 umount /mnt
  30                 ;;
  31         itus,shield-router)
  32                 mount -t vfat /dev/mmcblk1p1 /mnt
  33                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
  34                 umount /mnt
  35                 ;;
  36         esac
  37 }
  38
  39 platform_do_flash() {
  40         local tar_file=$1
  41         local board=$2
  42         local kernel=$3
  43         local rootfs=$4
  44
  45         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
  46         board_dir=${board_dir%/}
  47         [ -n "$board_dir" ] || return 1
  48
  49         mkdir -p /boot
  50
  51         if [ $board = "itus,shield-router" ]; then
  52                 # mmcblk1p1 (fat) contains all ELF-bin images for the Shield
  53                 mount /dev/mmcblk1p1 /boot
  54
  55                 echo "flashing Itus Kernel to /boot/$kernel (/dev/mmblk1p1)"
  56                 tar -Oxf $tar_file "$board_dir/kernel" > /boot/$kernel
  57         else
  58                 mount -t vfat /dev/$kernel /boot
  59
  60                 [ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
  61                         mv /boot/vmlinux.64 /boot/vmlinux.64.previous
  62                         mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
  63                 }
  64
  65                 echo "flashing kernel to /dev/$kernel"
  66                 tar xf $tar_file $board_dir/kernel -O > /boot/vmlinux.64
  67                 md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
  68         fi
  69
  70         echo "flashing rootfs to ${rootfs}"
  71         tar xf $tar_file $board_dir/root -O | dd of="${rootfs}" bs=4096
  72
  73         sync
  74         umount /boot
  75 }
  76
  77 platform_do_upgrade() {
  78         local tar_file="$1"
  79         local board=$(board_name)
  80         local rootfs="$(platform_get_rootfs)"
  81         local kernel=
  82
  83         [ -b "${rootfs}" ] || return 1
  84         case "$board" in
  85         er)
  86                 kernel=mmcblk0p1
  87                 ;;
  88         erlite)
  89                 kernel=sda1
  90                 ;;
  91         itus,shield-router)
  92                 kernel=ItusrouterImage
  93                 ;;
  94         *)
  95                 return 1
  96         esac
  97
  98         platform_do_flash $tar_file $board $kernel $rootfs
  99
 100         return 0
 101 }
 102
 103 platform_check_image() {
 104         local board=$(board_name)
 105         local tar_file="$1"
 106
 107         local board_dir=$(tar tf "$tar_file" | grep -m 1 '^sysupgrade-.*/$')
 108         board_dir=${board_dir%/}
 109         [ -n "$board_dir" ] || return 1
 110
 111         case "$board" in
 112         er | \
 113         erlite | \
 114         itus,shield-router)
 115                 local kernel_length=$(tar xf $tar_file $board_dir/kernel -O | wc -c 2> /dev/null)
 116                 local rootfs_length=$(tar xf $tar_file $board_dir/root -O | wc -c 2> /dev/null)
 117                 [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
 118                         echo "The upgrade image is corrupt."
 119                         return 1
 120                 }
 121                 return 0
 122                 ;;
 123         esac
 124
 125         echo "Sysupgrade is not yet supported on $board."
 126         return 1
 127 }