From 16fa8d7cc8c92f5ab879e4cf9c6c0bbb3567860f Mon Sep 17 00:00:00 2001
From: Gabe Black <gabeblack@google.com>
Date: Thu, 24 May 2018 01:37:55 -0700
Subject: systemc: Import tests from the Accellera systemc distribution.

Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6
Reviewed-on: https://gem5-review.googlesource.com/10845
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
---
 .../tests/systemc/misc/v1.0/dash7/pulse.cpp        | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/systemc/tests/systemc/misc/v1.0/dash7/pulse.cpp

(limited to 'src/systemc/tests/systemc/misc/v1.0/dash7/pulse.cpp')

diff --git a/src/systemc/tests/systemc/misc/v1.0/dash7/pulse.cpp b/src/systemc/tests/systemc/misc/v1.0/dash7/pulse.cpp
new file mode 100644
index 000000000..c2b5031f2
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/v1.0/dash7/pulse.cpp
@@ -0,0 +1,101 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+ 
+  pulse.cpp -- Implementation of the pulse generator.
+ 
+  Original Author: Ali Dasdan, Synopsys, Inc.
+ 
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+// $Log: pulse.cpp,v $
+// Revision 1.1.1.1  2006/12/15 20:26:24  acg
+// systemc_tests-2.3
+//
+// Revision 1.3  2006/01/19 00:48:20  acg
+// Andy Goodrich: Changes for the fact signal write checking is enabled.
+//
+// Revision 1.2  2006/01/18 00:23:51  acg
+// Change over from SC_NO_WRITE_CHECK to sc_write_check_enable() call.
+//
+
+#define SC_NO_WRITE_CHECK
+#include "systemc.h"
+#include "const.h"
+#include "pulse.h"
+
+// Find the pulse period to produce speed.
+// This function also rounds the period to the nearest integer.
+int
+gen_pulse_mod::find_period(int speed)
+{
+  if (speed <= 0)
+    return 1;
+
+  const double num = DIST_BETWEEN_TWO_PULSES * PERIODS_PER_HOUR / 2;
+
+  double dp = num / speed;
+  int    ip = int(dp);
+
+  ip = ip + ((dp - ip) >= double(0.5) ? 1 : 0);
+
+  return ip;
+}
+
+// Generate pulses for speedometer and odometers.
+void
+gen_pulse_mod::gen_pulse_proc()
+{
+  speed_pulse = false;
+  dist_pulse = false;
+
+  // Wait until the car is started.
+
+  do { wait(); } while (start != true);
+
+  /*
+  do {
+    wait();
+  } while (start == false);
+  */
+
+  while (true) {
+
+    speed_pulse = true;
+    dist_pulse = true;
+    AWAIT(find_period(speed));
+
+    speed_pulse = false;
+    dist_pulse = false;
+    AWAIT(find_period(speed));
+  }
+}
+
+// End of file
-- 
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