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, 330 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/communication/sc_fifo/test04/golden/test04.log b/src/systemc/tests/systemc/communication/sc_fifo/test04/golden/test04.log
new file mode 100644
index 000000000..4c8333c81
--- /dev/null
+++ b/src/systemc/tests/systemc/communication/sc_fifo/test04/golden/test04.log
@@ -0,0 +1,185 @@
+SystemC Simulation
+10 ns,1: writer: blocking write
+10 ns,1: reader: blocking read 1
+10 ns,2: reader: 0
+10 ns,2: reader: 1
+10 ns,2: reader: 2
+10 ns,2: reader: 3
+10 ns,2: reader: 4
+10 ns,2: reader: 5
+10 ns,2: reader: 6
+10 ns,2: reader: 7
+10 ns,2: reader: 8
+10 ns,2: reader: 9
+10 ns,4: reader: 10
+10 ns,4: reader: 11
+10 ns,4: reader: 12
+10 ns,4: reader: 13
+10 ns,4: reader: 14
+20 ns,5: writer: 5 free spaces
+20 ns,5: writer: non-blocking write
+20 ns,5: writer: waiting
+20 ns,5: reader: 5 available samples
+20 ns,5: reader: blocking read 2
+20 ns,5: reader: 15
+20 ns,5: reader: 16
+20 ns,5: reader: 17
+20 ns,5: reader: 18
+20 ns,5: reader: 19
+20 ns,6: reader: 20
+20 ns,6: reader: 21
+20 ns,6: reader: 22
+20 ns,6: reader: 23
+20 ns,6: reader: 24
+20 ns,6: writer: data read event
+20 ns,6: writer: waiting
+20 ns,7: reader: 26
+20 ns,7: reader: 27
+20 ns,7: reader: 28
+20 ns,7: reader: 29
+20 ns,7: reader: 30
+20 ns,7: writer: data read event
+20 ns,7: writer: waiting
+20 ns,8: writer: data read event
+30 ns,9: reader: 10 available samples
+30 ns,9: reader: non-blocking read
+30 ns,9: reader: 32
+30 ns,9: reader: 33
+30 ns,9: reader: 34
+30 ns,9: reader: 35
+30 ns,9: reader: 36
+30 ns,9: reader: 38
+30 ns,9: reader: 39
+30 ns,9: reader: 40
+30 ns,9: reader: 41
+30 ns,9: reader: 42
+30 ns,9: reader: waiting
+30 ns,9: writer: blocking write
+30 ns,11: reader: data written event
+30 ns,11: reader: 43
+30 ns,11: reader: 44
+30 ns,11: reader: 45
+30 ns,11: reader: 46
+30 ns,11: reader: 47
+40 ns,13: reader: blocking read 1
+40 ns,13: reader: 48
+40 ns,13: reader: 49
+40 ns,13: reader: 50
+40 ns,13: reader: 51
+40 ns,13: reader: 52
+40 ns,13: reader: 53
+40 ns,13: reader: 54
+40 ns,13: reader: 55
+40 ns,13: reader: 56
+40 ns,13: reader: 57
+40 ns,15: reader: 58
+40 ns,15: reader: 59
+40 ns,15: reader: 60
+40 ns,15: reader: 61
+40 ns,15: reader: 62
+50 ns,16: writer: 10 free spaces
+50 ns,16: writer: non-blocking write
+50 ns,16: writer: waiting
+50 ns,16: reader: 0 available samples
+50 ns,16: reader: blocking read 2
+50 ns,17: reader: 63
+50 ns,17: reader: 64
+50 ns,17: reader: 65
+50 ns,17: reader: 66
+50 ns,17: reader: 67
+50 ns,17: reader: 68
+50 ns,17: reader: 69
+50 ns,17: reader: 70
+50 ns,17: reader: 71
+50 ns,17: reader: 72
+50 ns,18: writer: data read event
+50 ns,19: reader: 74
+50 ns,19: reader: 75
+50 ns,19: reader: 76
+50 ns,19: reader: 77
+50 ns,19: reader: 78
+60 ns,20: writer: blocking write
+60 ns,20: reader: 5 available samples
+60 ns,20: reader: non-blocking read
+60 ns,20: reader: 79
+60 ns,20: reader: 80
+60 ns,20: reader: 81
+60 ns,20: reader: 82
+60 ns,20: reader: 83
+60 ns,20: reader: waiting
+60 ns,21: reader: data written event
+60 ns,21: reader: 84
+60 ns,21: reader: 85
+60 ns,21: reader: 86
+60 ns,21: reader: 87
+60 ns,21: reader: 88
+60 ns,21: reader: waiting
+60 ns,22: reader: data written event
+60 ns,22: reader: 89
+60 ns,22: reader: 90
+60 ns,22: reader: 91
+60 ns,22: reader: 92
+60 ns,22: reader: 93
+70 ns,24: reader: blocking read 1
+70 ns,24: reader: 94
+70 ns,24: reader: 95
+70 ns,24: reader: 96
+70 ns,24: reader: 97
+70 ns,24: reader: 98
+70 ns,24: reader: 99
+70 ns,24: reader: 100
+70 ns,24: reader: 101
+70 ns,24: reader: 102
+70 ns,24: reader: 103
+70 ns,24: writer: 0 free spaces
+70 ns,24: writer: non-blocking write
+70 ns,24: writer: waiting
+70 ns,25: writer: data read event
+70 ns,25: writer: waiting
+70 ns,26: reader: 105
+70 ns,26: reader: 106
+70 ns,26: reader: 107
+70 ns,26: reader: 108
+70 ns,26: reader: 109
+70 ns,27: writer: data read event
+70 ns,27: writer: waiting
+80 ns,28: reader: 10 available samples
+80 ns,28: reader: blocking read 2
+80 ns,28: reader: 110
+80 ns,28: reader: 111
+80 ns,28: reader: 112
+80 ns,28: reader: 113
+80 ns,28: reader: 114
+80 ns,28: reader: 116
+80 ns,28: reader: 117
+80 ns,28: reader: 118
+80 ns,28: reader: 119
+80 ns,28: reader: 120
+80 ns,29: writer: data read event
+80 ns,30: reader: 122
+80 ns,30: reader: 123
+80 ns,30: reader: 124
+80 ns,30: reader: 125
+80 ns,30: reader: 126
+90 ns,31: writer: blocking write
+90 ns,31: reader: 0 available samples
+90 ns,31: reader: non-blocking read
+90 ns,31: reader: waiting
+90 ns,32: reader: data written event
+90 ns,32: reader: 127
+90 ns,32: reader: 128
+90 ns,32: reader: 129
+90 ns,32: reader: 130
+90 ns,32: reader: 131
+90 ns,32: reader: 132
+90 ns,32: reader: 133
+90 ns,32: reader: 134
+90 ns,32: reader: 135
+90 ns,32: reader: 136
+90 ns,32: reader: waiting
+90 ns,34: reader: data written event
+90 ns,34: reader: 137
+90 ns,34: reader: 138
+90 ns,34: reader: 139
+90 ns,34: reader: 140
+90 ns,34: reader: 141
diff --git a/src/systemc/tests/systemc/communication/sc_fifo/test04/test04.cpp b/src/systemc/tests/systemc/communication/sc_fifo/test04/test04.cpp
new file mode 100644
index 000000000..be6ee57c5
--- /dev/null
+++ b/src/systemc/tests/systemc/communication/sc_fifo/test04/test04.cpp
@@ -0,0 +1,145 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  test04.cpp -- 
+
+  Original Author: Martin Janssen, Synopsys, Inc., 2002-03-23
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+// test of sc_fifo events
+
+#include "systemc.h"
+
+#define W_INFO(msg) \
+    cout << sc_time_stamp() << "," << sc_delta_count() \
+         << ": writer: " << msg << endl;
+
+#define R_INFO(msg) \
+    cout << sc_time_stamp() << "," << sc_delta_count() \
+         << ": reader: " << msg << endl;
+
+SC_MODULE( writer )
+{
+    // port(s)
+    sc_fifo_out<int> out;
+
+    // process(es)
+    void main_action()
+    {
+        int val = 0;
+        while( true ) {
+            wait( 10, SC_NS ); // wait for 10 ns
+            W_INFO( "blocking write" );
+            for( int i = 0; i < 20; i ++ ) {
+                out.write( val ++ ); // blocking write
+            }
+            wait( 10, SC_NS );
+            W_INFO( out.num_free() << " free spaces" );
+            W_INFO( "non-blocking write" );
+            for( int i = 0; i < 20; i ++ ) {
+                while( ! out.nb_write( val ++ ) ) { // non-blocking write
+                    W_INFO( "waiting" );
+                    wait( out.data_read_event() );
+                    W_INFO( "data read event" );
+                }
+            }
+        }
+    }
+
+    SC_CTOR( writer )
+    {
+        SC_THREAD( main_action );
+    }
+};
+
+SC_MODULE( reader )
+{
+    // port(s)
+    sc_fifo_in<int> in;
+
+    // process(es)
+    void main_action()
+    {
+        int val;
+        while( true ) {
+            wait( 10, SC_NS ); // wait for 10 ns
+            R_INFO( "blocking read 1" );
+            for( int i = 0; i < 15; i ++ ) {
+                in.read( val ); // blocking read
+                R_INFO( val );
+            }
+            wait( 10, SC_NS );
+            R_INFO( in.num_available() << " available samples" );
+            R_INFO( "blocking read 2" );
+            for( int i = 0; i < 15; i ++ ) {
+                val = in.read(); // blocking read
+                R_INFO( val );
+            }
+            wait( 10, SC_NS );
+            R_INFO( in.num_available() << " available samples" );
+            R_INFO( "non-blocking read" );
+            for( int i = 0; i < 15; i ++ ) {
+                while( ! in.nb_read( val ) ) { // non-blocking read
+                    R_INFO( "waiting" );
+                    wait( in.data_written_event() );
+                    R_INFO( "data written event" );
+                }
+                R_INFO( val );
+            }
+        }
+    }
+
+    SC_CTOR( reader )
+    {
+        SC_THREAD( main_action );
+    }
+};
+
+int sc_main( int, char*[] )
+{
+    // sc_clock c;
+
+    // declare channel(s)
+    sc_fifo<int> fifo( 10 );
+
+    // instantiate block(s) and connect to channel(s)
+    writer w( "writer" );
+    reader r( "reader" );
+
+    w.out( fifo );
+    r.in( fifo );
+
+    // run the simulation
+    sc_start( 100, SC_NS );
+
+    return 0;
+}