mirror of https://github.com/hak5/openwrt.git
123 lines
2.9 KiB
Bash
123 lines
2.9 KiB
Bash
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. /lib/cns3xxx.sh
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RAMFS_COPY_DATA="/lib/cns3xxx.sh"
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CI_BLKSZ=65536
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platform_find_partitions() {
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local first dev size erasesize name
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while read dev size erasesize name; do
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name=${name#'"'}; name=${name%'"'}
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case "$name" in
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vmlinux.bin.l7|kernel|linux|rootfs)
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if [ -z "$first" ]; then
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first="$name"
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else
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echo "$erasesize:$first:$name"
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break
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fi
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;;
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esac
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done < /proc/mtd
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}
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platform_find_kernelpart() {
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local part
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for part in "${1%:*}" "${1#*:}"; do
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case "$part" in
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vmlinux.bin.l7|kernel|linux)
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echo "$part"
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break
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;;
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esac
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done
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}
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platform_do_upgrade_combined() {
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local partitions=$(platform_find_partitions)
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local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
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local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
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local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
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local kern_blocks=$(($kern_length / $CI_BLKSZ))
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local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
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v "platform_do_upgrade_combined"
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v "partitions=$partitions"
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v "kernelpart=$kernelpart"
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v "erase_size=$erase_size"
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v "kern_blocks=$kern_blocks"
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v "root_blocks=$root_blocks"
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if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
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[ ${kern_blocks:-0} -gt 0 ] && \
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[ ${root_blocks:-0} -gt 0 ] && \
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[ ${erase_size:-0} -gt 0 ];
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then
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local append=""
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[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
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dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | mtd write - kernel
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dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
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mtd -r $append write - rootfs
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else
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echo "invalid image"
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fi
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}
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platform_check_image() {
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local board=$(cns3xxx_board_name)
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local magic="$(get_magic_word "$1")"
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local magic_long="$(get_magic_long "$1")"
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[ "$ARGC" -gt 1 ] && return 1
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case "$board" in
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laguna)
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[ "$magic" != "4349" ] && {
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echo "Invalid image. Use *-sysupgrade.bin files on this board"
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return 1
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}
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local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
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local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
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if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
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return 0
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else
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echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
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return 1
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fi
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return 0
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;;
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esac
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echo "Sysupgrade is not yet supported on $board."
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return 1
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}
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platform_do_upgrade() {
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local board=$(cns3xxx_board_name)
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v "board=$board"
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case "$board" in
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laguna)
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platform_do_upgrade_combined "$ARGV"
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;;
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*)
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default_do_upgrade "$ARGV"
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;;
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esac
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}
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disable_watchdog() {
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v "killing watchdog"
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killall watchdog
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( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
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echo 'Could not disable watchdog'
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return 1
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}
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}
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# CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0
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#append sysupgrade_pre_upgrade disable_watchdog
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