From 16fa8d7cc8c92f5ab879e4cf9c6c0bbb3567860f Mon Sep 17 00:00:00 2001
From: Gabe Black <gabeblack@google.com>
Date: Thu, 24 May 2018 01:37:55 -0700
Subject: 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>
---
 .../tests/systemc/tracing/wif_trace/pct1/tx.cpp    | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/systemc/tests/systemc/tracing/wif_trace/pct1/tx.cpp

(limited to 'src/systemc/tests/systemc/tracing/wif_trace/pct1/tx.cpp')

diff --git a/src/systemc/tests/systemc/tracing/wif_trace/pct1/tx.cpp b/src/systemc/tests/systemc/tracing/wif_trace/pct1/tx.cpp
new file mode 100644
index 000000000..d868d2402
--- /dev/null
+++ b/src/systemc/tests/systemc/tracing/wif_trace/pct1/tx.cpp
@@ -0,0 +1,98 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  tx.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 driver.cc */
+/* This is a SIO transmitter */
+
+#include "tx.h"
+
+void sio_tx::byte (char c)
+{
+  bool parity = false;
+  int n;
+
+  // Start bit
+  tx.write(false);
+  wait();
+  
+  // 8 data bits
+  for (n=0; n<8; n++) {
+    if (c & 0x1) parity=!parity;
+    tx.write (c & 0x1);
+    c = c >>1;
+    wait();
+  }
+  
+  // parity bit
+  tx.write(parity);
+  wait();
+  
+  // stop bits;
+  if (two_stop_bits) {
+    tx.write(true);
+    wait();
+    tx.write(true);
+    wait();
+  } else {
+    tx.write(true);
+    wait();
+  }
+} // end of entry function
+
+
+void sio_tx::mark (int cycles)
+{
+  int n;
+
+  for (n=0; n<cycles; n++) {
+    tx.write(true);
+    wait();
+  }
+}
+
+
+void sio_tx::entry()
+{
+  while (1) {
+    mark(5);
+    byte((char)0x5a);
+    byte((char)0xff);
+    mark(1);
+    byte((char)0xab);
+  }
+} // end of entry function
+
-- 
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