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>

7 files changed, 364 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.cpp b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.cpp
new file mode 100644
index 000000000..fa55fb2fd
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.cpp
@@ -0,0 +1,59 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  accumulator.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:
+
+ *****************************************************************************/
+
+/* Filename accumulator.cc */
+/* This is the implementation file for synchronous process `accumulator' */
+
+#include "accumulator.h"
+
+void accumulator::entry()
+{
+  int a = 1;
+
+  sum_acc = 1234; // some random number
+  mult_acc = 3; // some random number
+
+  while (true) {
+    sum_acc += a;
+    mult_acc *= a;
+    sum.write(sum_acc);
+    prod.write(mult_acc);
+    wait();
+    a = number.read();
+  }
+} // end of entry function
+
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.h b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.h
new file mode 100644
index 000000000..6005d3fac
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/accumulator.h
@@ -0,0 +1,72 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  accumulator.h -- 
+
+  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:
+
+ *****************************************************************************/
+
+/* Filename accumulator.h */
+/* This is the interface file for synchronous process `accumulator' */
+
+#include "systemc.h"
+
+SC_MODULE( accumulator )
+{
+  SC_HAS_PROCESS( accumulator );
+
+  sc_in_clk clk;
+
+  const sc_signal<int>& number; //input
+  sc_signal<int>& sum; //output
+  sc_signal<int>& prod; //output
+
+  int sum_acc; //internal variable
+  int mult_acc; //internal variable
+
+  //Constructor 
+  accumulator(sc_module_name NAME,
+	      sc_clock& CLK,
+	      const sc_signal<int>& NUMBER,
+	      sc_signal<int>& SUM,
+	      sc_signal<int>& PROD)
+    : number(NUMBER), sum(SUM), prod(PROD)
+  {
+    clk(CLK);
+	SC_CTHREAD( entry, clk.pos() );
+  }
+
+  // Process functionality in member function below
+  void entry();
+};
+
+
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/chpt5.1.f b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/chpt5.1.f
new file mode 100644
index 000000000..58b8e125d
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/chpt5.1.f
@@ -0,0 +1,3 @@
+chpt5.1/accumulator.cpp
+chpt5.1/main.cpp
+chpt5.1/testbench.cpp
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/golden/chpt5.1.log b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/golden/chpt5.1.log
new file mode 100644
index 000000000..e9253c827
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/golden/chpt5.1.log
@@ -0,0 +1,50 @@
+SystemC Simulation
+Result = 1235 and 3
+Result = 1237 and 6
+Result = 1240 and 18
+Result = 1244 and 72
+Result = 1249 and 360
+Result = 1255 and 2160
+Result = 1262 and 15120
+Result = 1270 and 120960
+Result = 1279 and 1088640
+Result = 1289 and 10886400
+Result = 1300 and 119750400
+Result = 1312 and 1437004800
+Result = 1325 and 1501193216
+Result = 1339 and -458131456
+Result = 1354 and 1717962752
+Result = 1370 and 1717600256
+Result = 1387 and -865566720
+Result = 1405 and 1599668224
+Result = 1424 and 328925184
+Result = 1444 and -2011430912
+Result = 1465 and 709623808
+Result = 1487 and -1568145408
+Result = 1510 and -1707606016
+Result = 1534 and 1967128576
+Result = 1559 and 1933574144
+Result = 1585 and -1266679808
+Result = 1612 and 159383552
+Result = 1640 and 167772160
+Result = 1669 and 570425344
+Result = 1699 and -67108864
+Result = 1730 and -2080374784
+Result = 1762 and -2147483648
+Result = 1795 and -2147483648
+Result = 1829 and 0
+Result = 1864 and 0
+Result = 1900 and 0
+Result = 1937 and 0
+Result = 1975 and 0
+Result = 2014 and 0
+Result = 2054 and 0
+Result = 2095 and 0
+Result = 2137 and 0
+Result = 2180 and 0
+Result = 2224 and 0
+Result = 2269 and 0
+Result = 2315 and 0
+Result = 2362 and 0
+Result = 2410 and 0
+Result = 2459 and 0
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/main.cpp b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/main.cpp
new file mode 100644
index 000000000..8762229c7
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/main.cpp
@@ -0,0 +1,57 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  main.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:
+
+ *****************************************************************************/
+
+
+/* Main file for accumulator simulation */
+
+#include "testbench.h"
+#include "accumulator.h"
+
+int sc_main(int ac, char *av[])
+{
+  sc_signal<int> number;
+  sc_signal<int> resulta;
+  sc_signal<int> resultm;
+
+  sc_clock clk("Clock", 20.0, SC_NS, 0.5, 0.0, SC_NS);
+
+  testbench TBH("TB", clk, resulta,resultm, number);
+  accumulator ACC("ACC", clk, number, resulta, resultm);
+
+  sc_start(1000, SC_NS);
+  return 0;
+}
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.cpp b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.cpp
new file mode 100644
index 000000000..9d1df8a8a
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.cpp
@@ -0,0 +1,54 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  testbench.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:
+
+ *****************************************************************************/
+
+/* Filename testbench.cc */
+/* This is the implementation file for synchronous process `testbench' */
+
+#include "testbench.h"
+
+void testbench::entry()
+{
+  int num = 2;
+
+  while (true) {
+    number.write(num++);
+    wait();
+    cout << "Result = " << resulta.read() << " and " << resultm.read()
+         << endl;
+  }
+} // end of entry function
+
diff --git a/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.h b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.h
new file mode 100644
index 000000000..0ab21e4b3
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/user_guide/chpt5.1/testbench.h
@@ -0,0 +1,69 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  testbench.h -- 
+
+  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:
+
+ *****************************************************************************/
+
+/* Filename testbench.h */
+/* This is the interface file for synchronous process `testbench' */
+
+#include "systemc.h"
+
+SC_MODULE( testbench )
+{
+  SC_HAS_PROCESS( testbench );
+
+  sc_in_clk clk;
+
+  const sc_signal<int>& resulta; //input
+  const sc_signal<int>& resultm; //input
+  sc_signal<int>& number; //output
+
+  //Constructor 
+  testbench(sc_module_name NAME,
+	    sc_clock& CLK,
+	    const sc_signal<int>& RESULTA,
+	    const sc_signal<int>& RESULTM,
+	    sc_signal<int>& NUMBER)
+    : resulta(RESULTA), resultm(RESULTM), number(NUMBER)
+  {
+    clk(CLK);
+	SC_CTHREAD( entry, clk.pos() );
+  }
+
+  // Process functionality in member function below
+  void entry();
+};
+
+