Added get_cyclecount() method.

rtemsbsd/src/rtems-bsd-cyclecount.c

@@ -0,0 +1,29 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief TODO.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2012.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <rtems.h>
+
+u_int64_t
+get_cyclecount(void)
+{
+  u_int64_t value;
+  value = rtems_clock_get_ticks_since_boot();
+  return value;
+}
+