[rtems-libbsd commit] Use rtems_counter_read() for get_cyclecount()

Sebastian Huber sebh at rtems.org
Wed Sep 12 06:00:06 UTC 2018


Module:    rtems-libbsd
Branch:    master
Commit:    3990b45e97e074767dff75f5e710bb905e53e2d3
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=3990b45e97e074767dff75f5e710bb905e53e2d3

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Aug 30 10:44:25 2018 +0200

Use rtems_counter_read() for get_cyclecount()

---

 rtemsbsd/include/machine/cpu.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/rtemsbsd/include/machine/cpu.h b/rtemsbsd/include/machine/cpu.h
index 3288132..6ae4b44 100644
--- a/rtemsbsd/include/machine/cpu.h
+++ b/rtemsbsd/include/machine/cpu.h
@@ -22,13 +22,14 @@
 #error "the header file <machine/rtems-bsd-kernel-space.h> must be included first"
 #endif
 
+#include <rtems/counter.h>
+
 #define cpu_spinwait() do { } while (0)
 
-/* FIXME: This implementation is a security problem */
-static __inline uint64_t
+static __inline rtems_counter_ticks
 get_cyclecount(void)
 {
-	return rtems_clock_get_ticks_since_boot();
+	return rtems_counter_read();
 }
 
 #endif /* _RTEMS_BSD_MACHINE_CPU_H_ */



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