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RAMFS_COPY_BIN='fw_printenv fw_setenv blockdev'
RAMFS_COPY_DATA='/etc/fw_env.config /var/lock/fw_printenv.lock'
get_cmdline_var() {
local var=$1
local cmdlinevar tmp
local cmdline="$(cat /proc/cmdline)"
for cmdlinevar in $cmdline; do
tmp=${cmdlinevar##${var}}
[ "=" = "${tmp:0:1}" ] && echo ${tmp:1}
done
}
get_rootdev() {
local rootvol rootdev
rootvol=$(get_cmdline_var root)
rootvol=$(basename $rootvol)
[ -e /sys/class/block/$rootvol ] || {
rootvol=${rootvol%%[0-9]}
[ -e /sys/class/block/$rootvol ] && echo $rootvol
rootvol=${rootvol%%p}
[ -e /sys/class/block/$rootvol ] && echo $rootvol
return
}
[ -e /sys/class/block/$rootvol/partition ] || {
echo $rootvol
return
}
rootdev=$(busybox readlink -f /sys/class/block/$rootvol)
rootdev=$(basename ${rootdev%%/${rootvol}})
[ -e /sys/class/block/$rootdev ] && echo $rootdev
}
get_partition() {
for partname in /sys/class/block/$1/*/name; do
[ "$(cat ${partname})" = "$2" ] && {
basename ${partname%%/name}
break
}
done
}
platform_do_upgrade() {
local board=$(board_name)
local file_type=$(identify $1)
case "$board" in
bananapi,bpi-r64)
local rootdev=$(get_rootdev)
local fitpart=$(get_partition $rootdev production)
[ "$fitpart" ] || exit 1
dd if=/dev/zero of=/dev/$fitpart bs=4096 count=1 2>/dev/null
blockdev --rereadpt /dev/$rootdev
get_image "$1" | dd of=/dev/$fitpart
echo $rootdev > /tmp/sysupgrade.rootdev
;;
linksys,e8450-ubi|\
mediatek,mt7622,ubi)
CI_KERNPART="fit"
nand_do_upgrade "$1"
;;
linksys,e8450)
if grep -q mtdparts=slave /proc/cmdline; then
PART_NAME=firmware2
else
PART_NAME=firmware1
fi
default_do_upgrade "$1"
;;
*)
default_do_upgrade "$1"
;;
esac
}
PART_NAME=firmware
platform_check_image() {
local board=$(board_name)
local magic="$(get_magic_long "$1")"
[ "$#" -gt 1 ] && return 1
case "$board" in
*)
[ "$magic" != "d00dfeed" ] && {
echo "Invalid image type."
return 1
}
return 0
;;
esac
return 0
}
platform_copy_config_mmc() {
[ -e "$UPGRADE_BACKUP" ] || return
local rootdev=$(cat /tmp/sysupgrade.rootdev)
blockdev --rereadpt /dev/$rootdev
local datadev=$(get_partition $rootdev rootfs_data)
[ "$datadev" ] || echo "no rootfs_data partition, cannot keep configuration." >&2
dd if="$UPGRADE_BACKUP" of=/dev/$datadev
sync
}
platform_copy_config() {
case "$(board_name)" in
bananapi,bpi-r64)
platform_copy_config_mmc
;;
esac
}
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