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>
---
 .../systemc/kernel/sc_event/test02/test02.cpp      | 127 +++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 src/systemc/tests/systemc/kernel/sc_event/test02/test02.cpp

(limited to 'src/systemc/tests/systemc/kernel/sc_event/test02/test02.cpp')

diff --git a/src/systemc/tests/systemc/kernel/sc_event/test02/test02.cpp b/src/systemc/tests/systemc/kernel/sc_event/test02/test02.cpp
new file mode 100644
index 000000000..0137a0012
--- /dev/null
+++ b/src/systemc/tests/systemc/kernel/sc_event/test02/test02.cpp
@@ -0,0 +1,127 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  test02.cpp -- 
+
+  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+// test of immediate event notification
+
+#include "systemc.h"
+
+SC_MODULE( source )
+{
+    sc_in_clk clk;
+    sc_out<int> out;
+
+    void main_action()
+    {
+        int a = 0;
+        while( true ) {
+            wait();
+            out = a ++;
+        }
+    }
+
+    SC_CTOR( source )
+    {
+        SC_THREAD( main_action );
+        sensitive << clk.pos();
+    }
+};
+
+SC_MODULE( sink )
+{
+    sc_in_clk clk;
+    sc_in<int> in;
+
+    sc_event e;
+
+    void main_action()
+    {
+        int a;
+        while( true ) {
+            wait();
+            cout << sc_delta_count() << " -- " << in.read() << endl;
+            a = in.read();
+            if( ( a % 3 ) == 0 ) {
+                e.notify();
+            }
+        }
+    }
+
+    void other_action()
+    {
+        while( true ) {
+            wait( e );
+            cout << sc_delta_count() << " AA " << in.read() << endl;
+            wait( e | e );  // same as wait( e )
+            cout << sc_delta_count() << " BB " << in.read() << endl;
+            wait( e & e );  // same as wait( e )
+            cout << sc_delta_count() << " CC " << in.read() << endl;
+            wait( e | e | e );  // same as wait( e )
+            cout << sc_delta_count() << " DD " << in.read() << endl;
+            wait( e & e & e );  // same as wait( e )
+            cout << sc_delta_count() << " EE " << in.read() << endl;
+            wait( e & clk->negedge_event() );
+            cout << sc_delta_count() << " FF " << in.read() << endl;
+            wait( e | clk->negedge_event() );
+            cout << sc_delta_count() << " GG " << in.read() << endl;
+        }
+    }
+
+    SC_CTOR( sink )
+    {
+        SC_THREAD( main_action );
+        sensitive << clk.pos();
+        SC_THREAD( other_action );
+    }
+};
+
+int sc_main( int, char** )
+{
+    sc_clock clk;
+
+    sc_signal<int> sig;
+    source src( "src" );
+    sink snk( "snk" );
+
+    src.clk( clk );
+    src.out( sig );
+    snk.clk( clk );
+    snk.in( sig );
+
+    sc_start( 100, SC_NS );
+
+    return 0;
+}
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