| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | #!/bin/sh /etc/rc.common |
| 2 | # Copyright (C) 2013-2014 OpenWrt.org |
| 3 | |
| 4 | START=00 |
| 5 | STOP=90 |
| 6 | |
| 7 | RTC_DEV=/dev/rtc0 |
| 8 | HWCLOCK=/sbin/hwclock |
| 9 | |
| 10 | boot() { |
| 11 | hwclock_load |
| 12 | local maxtime="$(find_max_time)" |
| 13 | local curtime="$(date +%s)" |
| 14 | if [ $curtime -lt $maxtime ]; then |
| 15 | date -s @$maxtime |
| 16 | hwclock_save |
| 17 | fi |
| 18 | } |
| 19 | |
| 20 | start() { |
| 21 | hwclock_load |
| 22 | } |
| 23 | |
| 24 | stop() { |
| 25 | hwclock_save |
| 26 | } |
| 27 | |
| 28 | hwclock_load() { |
| 29 | [ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -s -u -f $RTC_DEV |
| 30 | } |
| 31 | |
| 32 | hwclock_save(){ |
| 33 | [ -e "$RTC_DEV" ] && [ -e "$HWCLOCK" ] && $HWCLOCK -w -u -f $RTC_DEV && \ |
| 34 | logger -t sysfixtime "saved '$(date)' to $RTC_DEV" |
| 35 | } |
| 36 | |
| 37 | find_max_time() { |
| 38 | local file newest |
| 39 | |
| 40 | for file in $( find /etc -type f ) ; do |
| 41 | [ -z "$newest" -o "$newest" -ot "$file" ] && newest=$file |
| 42 | done |
| 43 | [ "$newest" ] && date -r "$newest" +%s |
| 44 | } |