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, 132 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/communication/sc_buffer/test02/golden/sc_buffer_edge_reset.log b/src/systemc/tests/systemc/communication/sc_buffer/test02/golden/sc_buffer_edge_reset.log
new file mode 100644
index 000000000..15f6aaa60
--- /dev/null
+++ b/src/systemc/tests/systemc/communication/sc_buffer/test02/golden/sc_buffer_edge_reset.log
@@ -0,0 +1,31 @@
+SystemC Simulation
+sig_mod.trigger_rst @  0 s: in = 1
+buf_mod.trigger_rst @  0 s: in = 1
+buf_mod.trigger_pos @  0 s: in = 1
+buf_mod.trigger_val @  0 s: in = 1
+sig_mod.trigger_pos @  0 s: in = 1
+sig_mod.trigger_val @  0 s: in = 1
+buf_mod.trigger_rst @ 1 ns: in = 1
+buf_mod.trigger_pos @ 1 ns: in = 1
+buf_mod.trigger_val @ 1 ns: in = 1
+buf_mod.trigger_neg @ 2 ns: in = 0
+buf_mod.trigger_val @ 2 ns: in = 0
+sig_mod.trigger_neg @ 2 ns: in = 0
+sig_mod.trigger_val @ 2 ns: in = 0
+buf_mod.trigger_neg @ 3 ns: in = 0
+buf_mod.trigger_val @ 3 ns: in = 0
+sig_mod.trigger_rst @ 4 ns: in = 1
+buf_mod.trigger_rst @ 4 ns: in = 1
+buf_mod.trigger_pos @ 4 ns: in = 1
+buf_mod.trigger_val @ 4 ns: in = 1
+sig_mod.trigger_pos @ 4 ns: in = 1
+sig_mod.trigger_val @ 4 ns: in = 1
+buf_mod.trigger_rst @ 5 ns: in = 1
+buf_mod.trigger_pos @ 5 ns: in = 1
+buf_mod.trigger_val @ 5 ns: in = 1
+buf_mod.trigger_neg @ 6 ns: in = 0
+buf_mod.trigger_val @ 6 ns: in = 0
+sig_mod.trigger_neg @ 6 ns: in = 0
+sig_mod.trigger_val @ 6 ns: in = 0
+buf_mod.trigger_neg @ 7 ns: in = 0
+buf_mod.trigger_val @ 7 ns: in = 0
diff --git a/src/systemc/tests/systemc/communication/sc_buffer/test02/sc_buffer_edge_reset.cpp b/src/systemc/tests/systemc/communication/sc_buffer/test02/sc_buffer_edge_reset.cpp
new file mode 100644
index 000000000..98fe8a5bb
--- /dev/null
+++ b/src/systemc/tests/systemc/communication/sc_buffer/test02/sc_buffer_edge_reset.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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  sc_buffer_edge_reset.cpp -- Test sc_buffer<bool> edge events and reset
+
+  Original Author: Philipp A. Hartmann, OFFIS, 2013-10-12
+
+ -----------------------------------------------------------------------------
+
+ This test checks the functionality of the pos(), neg() event finders and
+ the async_reset_signal_is functionality, if the target port is bound to
+ an sc_buffer instead of an sc_signal.
+
+ *****************************************************************************/
+
+#define SC_INCLUDE_DYNAMIC_PROCESSES
+#include <systemc.h>
+#include <iomanip>
+
+SC_MODULE(print_edge)
+{
+  sc_in<bool> in;
+
+  SC_CTOR(print_edge)
+    : in("in")
+  {
+    spawn_trigger( "trigger_val", &in.value_changed() );
+    spawn_trigger( "trigger_pos", &in.pos() );
+    spawn_trigger( "trigger_neg", &in.neg() );
+    spawn_trigger( "trigger_rst", NULL );
+  }
+
+  void spawn_trigger( const char* name, sc_event_finder* ef )
+  {
+    sc_spawn_options opts;
+      opts.spawn_method();
+      opts.dont_initialize();
+    if( ef ) {
+      opts.set_sensitivity( ef );
+    } else {
+      opts.async_reset_signal_is( in, true );
+    }
+    sc_spawn( sc_bind(&print_edge::trigger,this)
+            , name, &opts);
+  }
+
+  void trigger()
+  {
+    std::cout << sc_get_current_process_handle().name()
+              << " @ " << std::setw(4) << sc_time_stamp() 
+              << ": " << "in = " << in.read()
+              << std::endl;
+  }
+};
+
+int sc_main(int, char*[])
+{
+  sc_report_handler::set_actions( SC_ID_DISABLE_WILL_ORPHAN_PROCESS_
+                                , SC_DO_NOTHING );
+
+  sc_signal<int>  sig_int;
+
+  sc_buffer<bool> buf;
+  sc_signal<bool> sig;
+
+  print_edge sig_mod("sig_mod");
+    sig_mod.in(sig);
+
+  print_edge buf_mod("buf_mod");
+    buf_mod.in(buf);
+
+  for(int i=0; i<4; ++i) {
+    buf.write( !buf.read() );
+    sig.write( !sig.read() );
+    sc_start( 1, SC_NS );
+
+    buf.write( buf.read() );
+    sig.write( sig.read() );
+    sc_start( 1, SC_NS );
+  }
+
+  return 0;
+}