busybox: use machine specific hwclock.sh for hipox

At hipox machine we do not update the Hardware Clock
with the System Clock time at stop to avoid needless
increase of the RTC epoch counter.

Signed-off-by: Steffen Sledz <sledz@dresearch.de>

diff --git a/recipes/busybox/files/hipox/hwclock.sh b/recipes/busybox/files/hipox/hwclock.sh
new file mode 100644 (file)
index 0000000..47e4c8d
--- /dev/null
+++ b/recipes/busybox/files/hipox/hwclock.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+# hwclock.sh Set system clock to hardware clock, according to the UTC
+#               setting in /etc/default/rcS (see also rcS(5)).
+#               (hipox machine version)
+#
+# 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
+
+. /etc/default/rcS
+
+[ "$UTC" = yes ] && UTC=--utc || UTC=--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 -s $UTC;# --hctosys
+                       else
+                          TZ="$TZ" hwclock -s $UTC;# --hctosys
+                       fi
+               fi
+
+                if [ "$VERBOSE" != no ]
+                then
+                        echo "System Clock set. System local time is now `date`."
+                fi
+                ;;
+        stop|restart|reload|force-reload)
+               #
+               # At hipox machine we do not update the Hardware Clock
+               # with the System Clock time to avoid needless increase
+               # of the RTC epoch counter.
+               #
+                exit 0
+                ;;
+       show)
+               if [ "$HWCLOCKACCESS" != no ]
+               then
+                       hwclock -r $UTC;# --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