[PATCH v2 1/3] tools: timer: add rtctest_setdate

[Benjamin Gaignard]

This tool allow to set directly the time and date to a RTC device.

Unlike other tools isn't doens't use "struct timeval" or "time_t"
so it is safe for 32bits platforms when testing for y2038/2106 bug.

Signed-off-by: Benjamin Gaignard 
---
 tools/testing/selftests/timers/Makefile  |  2 +-
 tools/testing/selftests/timers/rtctest_setdate.c | 86 
 2 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/timers/rtctest_setdate.c

diff --git a/tools/testing/selftests/timers/Makefile 
b/tools/testing/selftests/timers/Makefile
index 5fa1d7e9..54481f1 100644
--- a/tools/testing/selftests/timers/Makefile
+++ b/tools/testing/selftests/timers/Makefile
@@ -9,7 +9,7 @@ TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat 
set-timer-lat mqueue-lat \
 
 TEST_GEN_PROGS_EXTENDED = alarmtimer-suspend valid-adjtimex adjtick 
change_skew \
  skew_consistency clocksource-switch leap-a-day \
- leapcrash set-tai set-2038 set-tz
+ leapcrash set-tai set-2038 set-tz rtctest_setdate
 
 
 include ../lib.mk
diff --git a/tools/testing/selftests/timers/rtctest_setdate.c 
b/tools/testing/selftests/timers/rtctest_setdate.c
new file mode 100644
index 000..2cb7848
--- /dev/null
+++ b/tools/testing/selftests/timers/rtctest_setdate.c
@@ -0,0 +1,86 @@
+/* Real Time Clock Driver Test
+ * by: Benjamin Gaignard (benjamin.gaign...@linaro.org)
+ *
+ * To build
+ * gcc rtctest_setdate.c -o rtctest_setdate
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static const char default_time[] = "00:00:00";
+
+int main(int argc, char **argv)
+{
+   int fd, retval;
+   struct rtc_time new, current;
+   const char *rtc, *date;
+   const char *time = default_time;
+
+   switch (argc) {
+   case 4:
+   time = argv[3];
+   /* FALLTHROUGH */
+   case 3:
+   date = argv[2];
+   rtc = argv[1];
+   break;
+   default:
+   fprintf(stderr, "usage: rtctest_setdate   
[HH:MM:SS]\n");
+   return 1;
+   }
+
+   fd = open(rtc, O_RDONLY);
+   if (fd == -1) {
+   perror(rtc);
+   exit(errno);
+   }
+
+   sscanf(date, "%d-%d-%d", _mday, _mon, _year);
+   new.tm_mon -= 1;
+   new.tm_year -= 1900;
+   sscanf(time, "%d:%d:%d", _hour, _min, _sec);
+
+   fprintf(stderr, "Test will set RTC date/time to %d-%d-%d, 
%02d:%02d:%02d.\n",
+   new.tm_mday, new.tm_mon + 1, new.tm_year + 1900,
+   new.tm_hour, new.tm_min, new.tm_sec);
+
+   /* Write the new date in RTC */
+   retval = ioctl(fd, RTC_SET_TIME, );
+   if (retval == -1) {
+   perror("RTC_SET_TIME ioctl");
+   close(fd);
+   exit(errno);
+   }
+
+   /* Read back */
+   retval = ioctl(fd, RTC_RD_TIME, );
+   if (retval == -1) {
+   perror("RTC_RD_TIME ioctl");
+   exit(errno);
+   }
+
+   fprintf(stderr, "\n\nCurrent RTC date/time is %d-%d-%d, 
%02d:%02d:%02d.\n",
+   current.tm_mday, current.tm_mon + 1, current.tm_year + 1900,
+   current.tm_hour, current.tm_min, current.tm_sec);
+
+   close(fd);
+   return 0;
+}
-- 
1.9.1

[PATCH v2 1/3] tools: timer: add rtctest_setdate

[Benjamin Gaignard]

This tool allow to set directly the time and date to a RTC device.

Unlike other tools isn't doens't use "struct timeval" or "time_t"
so it is safe for 32bits platforms when testing for y2038/2106 bug.

Signed-off-by: Benjamin Gaignard 
---
 tools/testing/selftests/timers/Makefile  |  2 +-
 tools/testing/selftests/timers/rtctest_setdate.c | 86 
 2 files changed, 87 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/timers/rtctest_setdate.c

diff --git a/tools/testing/selftests/timers/Makefile 
b/tools/testing/selftests/timers/Makefile
index 5fa1d7e9..54481f1 100644
--- a/tools/testing/selftests/timers/Makefile
+++ b/tools/testing/selftests/timers/Makefile
@@ -9,7 +9,7 @@ TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat 
set-timer-lat mqueue-lat \
 
 TEST_GEN_PROGS_EXTENDED = alarmtimer-suspend valid-adjtimex adjtick 
change_skew \
  skew_consistency clocksource-switch leap-a-day \
- leapcrash set-tai set-2038 set-tz
+ leapcrash set-tai set-2038 set-tz rtctest_setdate
 
 
 include ../lib.mk
diff --git a/tools/testing/selftests/timers/rtctest_setdate.c 
b/tools/testing/selftests/timers/rtctest_setdate.c
new file mode 100644
index 000..2cb7848
--- /dev/null
+++ b/tools/testing/selftests/timers/rtctest_setdate.c
@@ -0,0 +1,86 @@
+/* Real Time Clock Driver Test
+ * by: Benjamin Gaignard (benjamin.gaign...@linaro.org)
+ *
+ * To build
+ * gcc rtctest_setdate.c -o rtctest_setdate
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static const char default_time[] = "00:00:00";
+
+int main(int argc, char **argv)
+{
+   int fd, retval;
+   struct rtc_time new, current;
+   const char *rtc, *date;
+   const char *time = default_time;
+
+   switch (argc) {
+   case 4:
+   time = argv[3];
+   /* FALLTHROUGH */
+   case 3:
+   date = argv[2];
+   rtc = argv[1];
+   break;
+   default:
+   fprintf(stderr, "usage: rtctest_setdate   
[HH:MM:SS]\n");
+   return 1;
+   }
+
+   fd = open(rtc, O_RDONLY);
+   if (fd == -1) {
+   perror(rtc);
+   exit(errno);
+   }
+
+   sscanf(date, "%d-%d-%d", _mday, _mon, _year);
+   new.tm_mon -= 1;
+   new.tm_year -= 1900;
+   sscanf(time, "%d:%d:%d", _hour, _min, _sec);
+
+   fprintf(stderr, "Test will set RTC date/time to %d-%d-%d, 
%02d:%02d:%02d.\n",
+   new.tm_mday, new.tm_mon + 1, new.tm_year + 1900,
+   new.tm_hour, new.tm_min, new.tm_sec);
+
+   /* Write the new date in RTC */
+   retval = ioctl(fd, RTC_SET_TIME, );
+   if (retval == -1) {
+   perror("RTC_SET_TIME ioctl");
+   close(fd);
+   exit(errno);
+   }
+
+   /* Read back */
+   retval = ioctl(fd, RTC_RD_TIME, );
+   if (retval == -1) {
+   perror("RTC_RD_TIME ioctl");
+   exit(errno);
+   }
+
+   fprintf(stderr, "\n\nCurrent RTC date/time is %d-%d-%d, 
%02d:%02d:%02d.\n",
+   current.tm_mday, current.tm_mon + 1, current.tm_year + 1900,
+   current.tm_hour, current.tm_min, current.tm_sec);
+
+   close(fd);
+   return 0;
+}
-- 
1.9.1