# The U-Boot loader of the OpenMesh devices requires image sizes and # checksums to be provided in the U-Boot environment. # The OpenMesh devices come with 2 main partitions - while one is active # sysupgrade will flash the other. The boot order is changed to boot the # newly flashed partition. If the new partition can't be booted due to # upgrade failures the previously used partition is loaded. trim() { echo $1 } cfg_value_get() { local cfg=$1 cfg_opt local section=$2 our_section=0 local param=$3 our_param= for cfg_opt in $cfg do [ "$cfg_opt" = "[$section]" ] && our_section=1 && continue [ "$our_section" = "1" ] || continue our_param=$(echo ${cfg_opt%%=*}) [ "$param" = "$our_param" ] && echo ${cfg_opt##*=} && break done } # create /var/lock for the lock "fw_setenv.lock" of fw_setenv # the rest is copied using ar71xx's RAMFS_COPY_BIN and RAMFS_COPY_DATA platform_add_ramfs_ubootenv() { mkdir -p $RAM_ROOT/var/lock } append sysupgrade_pre_upgrade platform_add_ramfs_ubootenv platform_check_image_target_openmesh() { img_board_target="$1" case "$img_board_target" in A60) [ "$board" = "a40" ] && return 0 [ "$board" = "a60" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; OM2P) [ "$board" = "om2p" ] && return 0 [ "$board" = "om2pv2" ] && return 0 [ "$board" = "om2pv4" ] && return 0 [ "$board" = "om2p-lc" ] && return 0 [ "$board" = "om2p-hs" ] && return 0 [ "$board" = "om2p-hsv2" ] && return 0 [ "$board" = "om2p-hsv3" ] && return 0 [ "$board" = "om2p-hsv4" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; OM5P) [ "$board" = "om5p" ] && return 0 [ "$board" = "om5p-an" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; OM5PAC) [ "$board" = "om5p-ac" ] && return 0 [ "$board" = "om5p-acv2" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; MR1750) [ "$board" = "mr1750" ] && return 0 [ "$board" = "mr1750v2" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; MR600) [ "$board" = "mr600" ] && return 0 [ "$board" = "mr600v2" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; MR900) [ "$board" = "mr900" ] && return 0 [ "$board" = "mr900v2" ] && return 0 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform" return 1 ;; *) echo "Invalid board target ($img_board_target). Use the correct image for this platform" return 1 ;; esac } platform_check_image_openmesh() { local img_magic=$1 local img_path=$2 local fw_printenv=/usr/sbin/fw_printenv local img_board_target= img_num_files= i=0 local cfg_name= kernel_name= rootfs_name= case "$img_magic" in # Combined Extended Image v1 43453031) img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null)) img_num_files=$(trim $(dd if="$img_path" bs=2 skip=18 count=1 2>/dev/null)) ;; *) echo "Invalid image ($img_magic). Use combined extended images on this platform" return 1 ;; esac platform_check_image_target_openmesh "$img_board_target" || return 1 [ $img_num_files -lt 3 ] && { echo "Invalid number of embedded images ($img_num_files). Use the correct image for this platform" return 1 } cfg_name=$(trim $(dd if="$img_path" bs=2 skip=19 count=16 2>/dev/null)) [ "$cfg_name" != "fwupgrade.cfg" ] && { echo "Invalid embedded config file ($cfg_name). Use the correct image for this platform" return 1 } kernel_name=$(trim $(dd if="$img_path" bs=2 skip=55 count=16 2>/dev/null)) [ "$kernel_name" != "kernel" ] && { echo "Invalid embedded kernel file ($kernel_name). Use the correct image for this platform" return 1 } rootfs_name=$(trim $(dd if="$img_path" bs=2 skip=91 count=16 2>/dev/null)) [ "$rootfs_name" != "rootfs" ] && { echo "Invalid embedded kernel file ($rootfs_name). Use the correct image for this platform" return 1 } [ ! -x "$fw_printenv" ] && { echo "Please install uboot-envtools!" return 1 } [ ! -r "/etc/fw_env.config" ] && { echo "/etc/fw_env.config is missing" return 1 } return 0 } platform_do_upgrade_openmesh() { local img_path=$1 img_board_target= local kernel_start_addr= kernel_start_addr1= kernel_start_addr2= local kernel_size= kernel_md5= local rootfs_size= rootfs_checksize= rootfs_md5= local kernel_bsize= total_size= local data_offset=$((64 * 1024)) block_size= offset= local uboot_env_upgrade="/tmp/fw_env_upgrade" local cfg_size= kernel_size= rootfs_size= local append="" [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR" cfg_size=$(dd if="$img_path" bs=2 skip=35 count=4 2>/dev/null) kernel_size=$(dd if="$img_path" bs=2 skip=71 count=4 2>/dev/null) rootfs_size=$(dd if="$img_path" bs=2 skip=107 count=4 2>/dev/null) img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null)) cfg_content=$(dd if="$img_path" bs=1 skip=$data_offset count=$(echo $((0x$cfg_size))) 2>/dev/null) case $img_board_target in OM2P) block_size=$((256 * 1024)) total_size=7340032 kernel_start_addr1=0x9f1c0000 kernel_start_addr2=0x9f8c0000 ;; OM5P|OM5PAC|MR600|MR900|MR1750|A60) block_size=$((64 * 1024)) total_size=7995392 kernel_start_addr1=0x9f0b0000 kernel_start_addr2=0x9f850000 ;; esac kernel_md5=$(cfg_value_get "$cfg_content" "vmlinux" "md5sum") rootfs_md5=$(cfg_value_get "$cfg_content" "rootfs" "md5sum") rootfs_checksize=$(cfg_value_get "$cfg_content" "rootfs" "checksize") if [ "$((0x$kernel_size % $block_size))" = "0" ] then kernel_bsize=$(echo $((0x$kernel_size))) else kernel_bsize=$((0x$kernel_size + ($block_size - (0x$kernel_size % $block_size)))) fi mtd -q erase inactive offset=$(echo $(($data_offset + 0x$cfg_size + 0x$kernel_size))) dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$rootfs_size))) 2>&- | mtd -n -p $kernel_bsize $append write - "inactive" offset=$(echo $(($data_offset + 0x$cfg_size))) dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$kernel_size))) 2>&- | mtd -n write - "inactive" rm $uboot_env_upgrade 2>&- if [ "$(grep 'mtd3:.*inactive' /proc/mtd)" ] then printf "kernel_size_1 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade printf "rootfs_size_1 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade printf "bootseq 1,2\n" >> $uboot_env_upgrade kernel_start_addr=$kernel_start_addr1 else printf "kernel_size_2 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade printf "rootfs_size_2 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade printf "bootseq 2,1\n" >> $uboot_env_upgrade kernel_start_addr=$kernel_start_addr2 fi printf "vmlinux_start_addr %s\n" $kernel_start_addr >> $uboot_env_upgrade printf "vmlinux_size 0x%s\n" $kernel_size >> $uboot_env_upgrade printf "vmlinux_checksum %s\n" $kernel_md5 >> $uboot_env_upgrade printf "rootfs_start_addr 0x%x\n" $(($kernel_start_addr + $kernel_bsize)) >> $uboot_env_upgrade printf "rootfs_size %s\n" $rootfs_checksize >> $uboot_env_upgrade printf "rootfs_checksum %s\n" $rootfs_md5 >> $uboot_env_upgrade fw_setenv -s $uboot_env_upgrade || { echo "failed to update U-Boot environment" return 1 } }