2008-12-09 Joel Sherrill <joel.sherrill@oarcorp.com>

	* score/Makefile.am, score/preinstall.am,
	score/include/rtems/score/timespec.h,
	score/include/rtems/score/timestamp.h: Add 64-bit implementation of
	SuperCore Timestamps. Tested on PowerPC/psim and SPARC/sis.
	* score/include/rtems/score/timestamp64.h, score/src/ts64addto.c,
	score/src/ts64divide.c, score/src/ts64dividebyinteger.c,
	score/src/ts64equalto.c, score/src/ts64getnanoseconds.c,
	score/src/ts64getseconds.c, score/src/ts64greaterthan.c,
	score/src/ts64lessthan.c, score/src/ts64set.c,
	score/src/ts64settozero.c, score/src/ts64subtract.c,
	score/src/ts64toticks.c, score/src/ts64totimespec.c: New files.

1 files changed, 54 insertions, 0 deletions

diff --git a/cpukit/score/src/ts64divide.c b/cpukit/score/src/ts64divide.c
new file mode 100644
index 0000000000..a8a08c985d
--- /dev/null
+++ b/cpukit/score/src/ts64divide.c
@@ -0,0 +1,54 @@
+/** 
+ *  @file  score/src/ts64divide.c
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2007.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+
+#include <rtems/system.h>
+#include <sys/types.h>
+#include <rtems/score/timestamp.h>
+
+/* This method is never inlined. */
+#if defined(CPU_RTEMS_SCORE_TIMESTAMP_IS_INT64)
+void _Timestamp64_Divide(
+  const Timestamp64_Control *_lhs,
+  const Timestamp64_Control *_rhs,
+  uint32_t                  *_ival_percentage,
+  uint32_t                  *_fval_percentage
+)
+{
+  Timestamp64_Control answer;
+
+  if ( *_rhs == 0 ) {
+    *_ival_percentage = 0;
+    *_fval_percentage = 0;
+    return;
+  }
+
+  /*
+   *  This looks odd but gives the results the proper precision.
+   *
+   *  TODO: Rounding on the last digit of the fval.
+   */
+
+  answer = (*_lhs * 100000) / *_rhs;
+
+  *_ival_percentage = answer / 1000;
+  *_fval_percentage = answer % 1000;
+}
+#endif