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>
---
 .../control/if_test/conditions/conditions.cpp      | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 src/systemc/tests/systemc/misc/cae_test/general/control/if_test/conditions/conditions.cpp

(limited to 'src/systemc/tests/systemc/misc/cae_test/general/control/if_test/conditions/conditions.cpp')

diff --git a/src/systemc/tests/systemc/misc/cae_test/general/control/if_test/conditions/conditions.cpp b/src/systemc/tests/systemc/misc/cae_test/general/control/if_test/conditions/conditions.cpp
new file mode 100644
index 000000000..5ecc74334
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/cae_test/general/control/if_test/conditions/conditions.cpp
@@ -0,0 +1,129 @@
+/*****************************************************************************
+
+  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.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  conditions.cpp -- 
+
+  Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-22
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+
+#include "conditions.h"
+
+void conditions::entry(){
+
+  sc_biguint<4>   tmp1;
+  sc_bigint<4>    tmp2;
+  sc_biguint<4>   tmp2a;
+  sc_lv<4>        tmp3;
+  sc_bv<4>        tmp4;
+  int             tmp5;
+  bool cond_tmp;
+
+  // reset_loop
+    if (reset.read() == true) {
+      out_value1.write(0);
+      out_value2.write(0);
+      out_value3.write(0);
+      out_value4.write(0);
+      out_value5.write(0);
+      out_valid.write(false);
+      wait();
+    } else wait();
+
+  //
+  // main loop
+  //
+  while(1) {
+    do { wait(); } while  (in_valid == false);
+
+    //reading inputs
+    tmp1 = in_value1.read();
+    tmp2 = in_value2.read();
+    tmp4 = in_value4.read();
+    tmp5 = in_value5.read();
+
+    // complex condition on variables
+    if ((tmp1==4) && (tmp2<6) || (tmp5+tmp4.to_int()==6)) {
+	out_value1.write(4);
+    } else {
+	out_value1.write(tmp1);
+    };
+    wait();
+
+    // complex conditions on signal reads
+    if ((in_value1.read().to_uint()==4) && (in_value2.read().to_int()<6) || 
+	(in_value4.read().to_int()+in_value5.read()==6)) {
+	out_value2.write(4);
+    } else {
+	out_value2.write(tmp1);
+    };
+    wait();
+
+    //reading inputs
+    tmp1 = in_value1.read();
+    tmp2 = in_value2.read();
+    tmp3 = in_value3.read();
+    tmp4 = in_value4.read();
+    tmp5 = in_value5.read();
+
+    // complex conditions outside the if; does it matter for timing?
+    cond_tmp = (tmp1==4) && (tmp2<6) || (tmp5+tmp4.to_int()==6);
+    if (cond_tmp) {
+	out_value3.write(4);
+    } else {
+	out_value3.write(tmp1);
+    };
+    wait();
+
+    // arithmetic if can only be done when using the same datatypes
+    // therefor the temporary assignment
+    tmp2a = 0;
+    out_value4.write((tmp3.to_int()==4) && (tmp1<6) || 
+		     (tmp5+tmp2.to_int()==6)?tmp2a:tmp1);
+    wait();
+
+    // arithmetic if can only be done when using the same datatypes
+    // therefor the temporary assignment
+    tmp5 = tmp2.to_int();
+    out_value5.write((in_value3.read().to_int()==4) &&
+		     (in_value1.read().to_int()<6) || 
+		     (in_value5.read()+in_value2.read().to_int()==6)?
+		     0:tmp5); 
+    out_valid.write(true);
+    wait();
+    out_valid.write(false);
+
+  }
+}
+
+// EOF
+
-- 
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