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, 152 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/tracing/vcd_trace/test16/golden/test16.vcd b/src/systemc/tests/systemc/tracing/vcd_trace/test16/golden/test16.vcd
new file mode 100644
index 000000000..9e5cd34d7
--- /dev/null
+++ b/src/systemc/tests/systemc/tracing/vcd_trace/test16/golden/test16.vcd
@@ -0,0 +1,51 @@
+
+$timescale
+     1 ps
+$end
+
+$scope module SystemC $end
+$var event    1  aaaaa  event       $end
+$var time   64  aaaab  time [63:0]  $end
+$upscope $end
+$enddefinitions  $end
+
+$comment
+All initial values are dumped below at time 0 sec = 0 timescale units.
+$end
+
+$dumpvars
+
+b0 aaaab
+$end
+
+#1000
+1aaaaa
+b1111101000 aaaab
+
+#2000
+1aaaaa
+b11111010000 aaaab
+
+#3000
+b101110111000 aaaab
+
+#4000
+1aaaaa
+b111110100000 aaaab
+
+#5000
+1aaaaa
+b1001110001000 aaaab
+
+#6000
+1aaaaa
+b1011101110000 aaaab
+
+#7000
+b1101101011000 aaaab
+
+#8000
+1aaaaa
+b1111101000000 aaaab
+
+#9000
diff --git a/src/systemc/tests/systemc/tracing/vcd_trace/test16/test16.cpp b/src/systemc/tests/systemc/tracing/vcd_trace/test16/test16.cpp
new file mode 100644
index 000000000..40ee45d20
--- /dev/null
+++ b/src/systemc/tests/systemc/tracing/vcd_trace/test16/test16.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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  test15.cpp -- test event/time tracing
+
+  Original Author: Philipp A Hartmann, Intel Corporation, 2017-08-29
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+#include <systemc>
+using namespace sc_core;
+
+SC_MODULE(module)
+{
+  SC_CTOR(module)
+  {
+    SC_THREAD(driver);
+    SC_METHOD(consumer);
+      sensitive << event;
+      dont_initialize();
+  }
+
+  void driver()
+  {
+    wait(1, SC_NS);
+    event.notify(); // t == 1ns
+
+    wait(1, SC_NS);
+    event.notify(SC_ZERO_TIME); // t == 2ns
+
+    wait(1, SC_NS);
+    event.notify(1, SC_NS); // t == 4ns
+    time = sc_time_stamp();
+
+    wait(2, SC_NS);
+    event.notify(); // t == 5ns
+
+    wait(1, SC_NS);
+    event.notify(SC_ZERO_TIME); // t == 6ns
+
+    wait(1, SC_NS);
+    event.notify(1, SC_NS); // t == 8ns
+    time = sc_time_stamp();
+
+    wait(2, SC_NS);
+  }
+
+  void consumer()
+  {
+    time = sc_time_stamp();
+  }
+
+  sc_event event;
+  sc_time  time;
+};
+
+int sc_main(int argc, char* argv[])
+{
+  sc_trace_file* tf = sc_create_vcd_trace_file("test16");
+
+  module m("m");
+
+  sc_trace(tf, m.event, "event");
+  sc_trace(tf, m.time,  "time");
+
+  sc_start();
+  sc_stop();
+
+  sc_close_vcd_trace_file(tf);
+  return 0;
+}
+
+