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>

2 files changed, 167 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/golden/test1.log b/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/golden/test1.log
new file mode 100644
index 000000000..8cb9086ca
--- /dev/null
+++ b/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/golden/test1.log
@@ -0,0 +1,50 @@
+SystemC Simulation
+Event         Start Parameters         End Parameters
+------------- ----------------         --------------
+
+sc_start(1, SC_NS) - 0 s   0
+  X::comb() - 0 s  0
+                                        1 ns   0
+~tweak      - 1 ns   0
+                                        1 ns   0
+sc_start(0, SC_NS) - 1 ns   0
+                                        1 ns   1
+sc_start(0, SC_NS) - 1 ns   1
+  X::comb() - 1 ns  1
+  X::sync() - 1 ns  1
+                                        1 ns   1
+sc_start(1, SC_NS) - 1 ns   1
+                                        2 ns   1
+sc_start(0, SC_NS) - 2 ns   1
+                                        2 ns   1
+sc_start(0, SC_NS) - 2 ns   1
+  X::sync() - 2 ns  1
+                                        2 ns   1
+~tweak      - 2 ns   1
+                                        2 ns   1
+sc_start(0, SC_NS) - 2 ns   1
+                                        2 ns   0
+~tweak      - 2 ns   0
+                                        2 ns   0
+sc_start(0, SC_NS) - 2 ns   0
+  X::comb() - 2 ns  0
+                                        2 ns   1
+sc_start(0, SC_NS) - 2 ns   1
+  X::comb() - 2 ns  1
+                                        2 ns   1
+sc_start(1, SC_NS) - 2 ns   1
+                                        3 ns   1
+sc_start(1, SC_NS) - 3 ns   1
+  X::sync() - 3 ns  1
+                                        4 ns   1
+sc_start(0, SC_NS) - 4 ns   1
+                                        4 ns   1
+~tweak      - 4 ns   1
+                                        4 ns   1
+sc_start(0, SC_NS) - 4 ns   1
+  X::sync() - 4 ns  1
+                                        4 ns   0
+sc_start(0, SC_NS) - 4 ns   0
+  X::comb() - 4 ns  0
+                                        4 ns   0
+Program completed
diff --git a/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/test1.cpp b/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/test1.cpp
new file mode 100644
index 000000000..7b2502d04
--- /dev/null
+++ b/src/systemc/tests/systemc/kernel/sc_start/sc_start_0/test1/test1.cpp
@@ -0,0 +1,117 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  test1.cpp -- Test alternations of sc_start(0, SC_NS) and sc_start(1, SC_NS).
+
+  Original Author: Andy Goodrich, Forte Design Systems, 18 August 2006
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  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(X)
+{
+	SC_CTOR(X)
+	{
+		SC_METHOD(comb);
+		sensitive << tweak;
+		SC_CTHREAD(sync, clk.pos());
+	}
+	void comb()
+	{
+		cout << "  X::comb() - " << 
+			sc_time_stamp() << "  " <<
+			tweak.read() << endl;
+	}
+	void sync()
+	{
+		for (;;)
+		{
+			wait();
+			cout << "  X::sync() - " << 
+				sc_time_stamp() << "  " <<
+				tweak.read() << endl;
+		}
+	}
+	sc_in_clk   clk;
+	sc_in<bool> tweak;
+};
+
+#define ACTION(action,descr) \
+{ \
+	cout << descr << " - " << \
+		sc_time_stamp() << "   " << \
+		tweak.read() << endl; \
+	action ; \
+	cout << "                                        " << \
+                sc_time_stamp() << "   " << \
+		tweak.read() << endl; \
+}
+
+
+int sc_main(int argc, char* argv[])
+{
+	sc_clock clock;
+	sc_signal<bool> tweak;
+	X        x("x");
+	x.clk(clock);
+	x.tweak(tweak);
+
+	cout << "Event         Start Parameters         End Parameters" << endl;
+	cout << "------------- ----------------         --------------\n" << endl;
+
+	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
+	ACTION(tweak = !tweak,"~tweak     ")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+
+	ACTION(tweak = !tweak,"~tweak     ")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+
+	ACTION(tweak = !tweak,"~tweak     ")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+
+	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
+	ACTION(sc_start(1, SC_NS),"sc_start(1, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(tweak = !tweak,"~tweak     ")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+	ACTION(sc_start(0, SC_NS),"sc_start(0, SC_NS)")
+
+    cerr << "Program completed" << endl;
+    return 0;
+}
+