Initial commit

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