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. /lib/cns3xxx.sh
RAMFS_COPY_DATA="/lib/cns3xxx.sh"
CI_BLKSZ=65536
platform_find_partitions() {
local first dev size erasesize name
while read dev size erasesize name; do
name=${name#'"'}; name=${name%'"'}
case "$name" in
vmlinux.bin.l7|kernel|linux|rootfs)
if [ -z "$first" ]; then
first="$name"
else
echo "$erasesize:$first:$name"
break
fi
;;
esac
done < /proc/mtd
}
platform_find_kernelpart() {
local part
for part in "${1%:*}" "${1#*:}"; do
case "$part" in
vmlinux.bin.l7|kernel|linux)
echo "$part"
break
;;
esac
done
}
platform_do_upgrade_combined() {
local partitions=$(platform_find_partitions)
local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
local kern_blocks=$(($kern_length / $CI_BLKSZ))
local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
v "platform_do_upgrade_combined"
v "partitions=$partitions"
v "kernelpart=$kernelpart"
v "erase_size=$erase_size"
v "kern_blocks=$kern_blocks"
v "root_blocks=$root_blocks"
if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
[ ${kern_blocks:-0} -gt 0 ] && \
[ ${root_blocks:-0} -gt 0 ] && \
[ ${erase_size:-0} -gt 0 ];
then
local append=""
[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | mtd write - kernel
dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
mtd -r $append write - rootfs
else
echo "invalid image"
fi
}
platform_check_image() {
local board=$(cns3xxx_board_name)
local magic="$(get_magic_word "$1")"
local magic_long="$(get_magic_long "$1")"
[ "$ARGC" -gt 1 ] && return 1
case "$board" in
laguna)
[ "$magic" != "4349" ] && {
echo "Invalid image. Use *-sysupgrade.bin files on this board"
return 1
}
local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
return 0
else
echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
return 1
fi
return 0
;;
esac
echo "Sysupgrade is not yet supported on $board."
return 1
}
platform_do_upgrade() {
local board=$(cns3xxx_board_name)
v "board=$board"
case "$board" in
laguna)
platform_do_upgrade_combined "$ARGV"
;;
*)
default_do_upgrade "$ARGV"
;;
esac
}
disable_watchdog() {
v "killing watchdog"
killall watchdog
( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
echo 'Could not disable watchdog'
return 1
}
}
# CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0
#append sysupgrade_pre_upgrade disable_watchdog
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