From 65012bfebbc03088f0740b086abb26d2ff6ebd8b Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Fri, 6 Oct 2017 15:41:46 +0200
Subject: score: Change Timestamp_Control to sbintime_t

The timestamp are based on the uptime.  There is no need for a 64-bit
seconds part.  The signed 32-bit seconds part of the sbintime_t limits
the uptime to roughly 68 years.

Close #2740.
---
 cpukit/score/src/kern_tc.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'cpukit/score/src/kern_tc.c')

diff --git a/cpukit/score/src/kern_tc.c b/cpukit/score/src/kern_tc.c
index f385e6d946..242983b464 100644
--- a/cpukit/score/src/kern_tc.c
+++ b/cpukit/score/src/kern_tc.c
@@ -66,6 +66,7 @@ __FBSDID("$FreeBSD r284178 2015-06-09T11:49:56Z$");
 #endif /* __rtems__ */
 #ifdef __rtems__
 #include <limits.h>
+#include <string.h>
 #include <rtems.h>
 ISR_LOCK_DEFINE(, _Timecounter_Lock, "Timecounter")
 #define _Timecounter_Release(lock_context) \
@@ -469,6 +470,24 @@ binuptime(struct bintime *bt)
 		bintime_addx(bt, th->th_scale * tc_delta(th));
 	} while (gen == 0 || gen != tc_getgen(th));
 }
+#ifdef __rtems__
+sbintime_t
+_Timecounter_Sbinuptime(void)
+{
+	struct timehands *th;
+	uint32_t gen;
+	sbintime_t sbt;
+
+	do {
+		th = timehands;
+		gen = tc_getgen(th);
+		sbt = bttosbt(th->th_offset);
+		sbt += (th->th_scale * tc_delta(th)) >> 32;
+	} while (gen == 0 || gen != tc_getgen(th));
+
+	return (sbt);
+}
+#endif /* __rtems__ */
 
 void
 nanouptime(struct timespec *tsp)
-- 
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