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>
---
 .../misc/communication/channel/hshake1/hshake1.cpp | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 src/systemc/tests/systemc/misc/communication/channel/hshake1/hshake1.cpp

(limited to 'src/systemc/tests/systemc/misc/communication/channel/hshake1/hshake1.cpp')

diff --git a/src/systemc/tests/systemc/misc/communication/channel/hshake1/hshake1.cpp b/src/systemc/tests/systemc/misc/communication/channel/hshake1/hshake1.cpp
new file mode 100644
index 000000000..a990b86d3
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/communication/channel/hshake1/hshake1.cpp
@@ -0,0 +1,131 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  hshake1.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:
+
+ *****************************************************************************/
+
+#include "systemc.h"
+
+SC_MODULE( proc1 )
+{
+  SC_HAS_PROCESS( proc1 );
+
+  sc_in_clk clk;
+
+  sc_fifo<int>& in;
+  sc_fifo<bool>& done;
+  sc_fifo<int>& out;
+  sc_fifo<bool>& ready;
+
+  // Constructor
+  proc1 ( sc_module_name NAME,
+	  sc_clock& CLOCK,
+	  sc_fifo<int>& IN_,
+	  sc_fifo<bool>& DONE,
+	  sc_fifo<int>& OUT_,
+	  sc_fifo<bool>& READY )
+    : in(IN_), done(DONE), out(OUT_), ready(READY)
+  {
+    clk(CLOCK);
+	SC_THREAD( entry );
+	sensitive << clk.pos();
+  }
+
+  void entry() {
+    ready.write(1);
+    bool done_ = done.read();
+    cout << "Done is " << done_ << endl;
+    for (int i=0; i < 100; i++) {
+      out.write(i);
+      int in_ = in.read();
+      cout << "Input is " << in_ << endl;
+    }
+    ready.write(0);
+  }
+};
+
+SC_MODULE( proc2 )
+{
+  SC_HAS_PROCESS( proc2 );
+
+  sc_in_clk clk;
+
+  sc_fifo<int>& in;
+  sc_fifo<bool>& done;
+  sc_fifo<int>& out;
+  sc_fifo<bool>& ready;
+
+  // Constructor
+  proc2 ( sc_module_name NAME,
+	  sc_clock& CLOCK,
+	  sc_fifo<int>& IN_,
+	  sc_fifo<bool>& DONE,
+	  sc_fifo<int>& OUT_,
+	  sc_fifo<bool>& READY )
+    : in(IN_), done(DONE), out(OUT_), ready(READY)
+  {
+    clk(CLOCK); 
+	SC_THREAD( entry );
+	sensitive << clk.pos();
+  }
+
+  void entry() {
+    bool done_ = done.read();
+    cout << "Proc2::Done is " << done_ << endl;
+    ready.write(1);
+    for (int i=0; i < 100; i++) {
+      out.write(i);
+      int in_ = in.read();
+      cout << "Proc2::Input is " << in_ << endl;
+    }
+    ready.write(0);
+  }
+};
+
+int sc_main(int ac, char *av[])
+{
+  sc_fifo<bool> a;
+  sc_fifo<bool> b;
+  sc_fifo<int> c("C", 10);
+  // sc_fifo<int> d("D", 2);
+  sc_fifo<int> d("D", 1);
+
+  sc_clock clock("CLK", 20, SC_NS);
+
+  proc1 p1("P1", clock, c, a, d, b);
+  proc2 p2("P2", clock, d, b, c, a);
+
+  sc_start(1000, SC_NS);
+  return 0;
+}
-- 
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