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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/recipes-core/busybox/files/hwclock.sh | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/recipes-core/busybox/files/hwclock.sh')
-rw-r--r-- | yocto-poky/meta/recipes-core/busybox/files/hwclock.sh | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-core/busybox/files/hwclock.sh b/yocto-poky/meta/recipes-core/busybox/files/hwclock.sh new file mode 100644 index 000000000..be5f94d86 --- /dev/null +++ b/yocto-poky/meta/recipes-core/busybox/files/hwclock.sh @@ -0,0 +1,83 @@ +#!/bin/sh +### BEGIN INIT INFO +# Provides: hwclock +# Required-Start: +# Required-Stop: $local_fs +# Default-Start: S +# Default-Stop: 0 6 +# Short-Description: Set system clock +# Description: Set system clock to hardware clock, according to the UTC +# setting in /etc/default/rcS (see also rcS(5)). +### END INIT INFO +# +# WARNING: If your hardware clock is not in UTC/GMT, this script +# must know the local time zone. This information is +# stored in /etc/localtime. This might be a problem if +# your /etc/localtime is a symlink to something in +# /usr/share/zoneinfo AND /usr isn't in the root +# partition! The workaround is to define TZ either +# in /etc/default/rcS, or in the proper place below. + +[ ! -x /sbin/hwclock ] && exit 0 + +[ -f /etc/default/rcS ] && . /etc/default/rcS + +[ "$UTC" = "yes" ] && tz="--utc" || tz="--localtime" +case "$1" in + start) + if [ "$VERBOSE" != no ] + then + echo "System time was `date`." + echo "Setting the System Clock using the Hardware Clock as reference..." + fi + + if [ "$HWCLOCKACCESS" != no ] + then + if [ -z "$TZ" ] + then + hwclock $tz --hctosys + else + TZ="$TZ" hwclock $tz --hctosys + fi + fi + + if [ "$VERBOSE" != no ] + then + echo "System Clock set. System local time is now `date`." + fi + ;; + stop|restart|reload|force-reload) + # + # Updates the Hardware Clock with the System Clock time. + # This will *override* any changes made to the Hardware Clock. + # + # WARNING: If you disable this, any changes to the system + # clock will not be carried across reboots. + # + if [ "$VERBOSE" != no ] + then + echo "Saving the System Clock time to the Hardware Clock..." + fi + if [ "$HWCLOCKACCESS" != no ] + then + hwclock $tz --systohc + fi + if [ "$VERBOSE" != no ] + then + echo "Hardware Clock updated to `date`." + fi + exit 0 + ;; + show) + if [ "$HWCLOCKACCESS" != no ] + then + hwclock $tz --show + fi + ;; + *) + echo "Usage: hwclock.sh {start|stop|show|reload|restart}" >&2 + echo " start sets kernel (system) clock from hardware (RTC) clock" >&2 + echo " stop and reload set hardware (RTC) clock from kernel (system) clock" >&2 + exit 1 + ;; +esac |