systemc: Add the Accellera implementation for the data type classes.

These files have been cleaned up style wise, and some macros have been
resolved like they were for the header files.

Change-Id: I447e5311961036847e7da0c5a86c0da25a633010
Reviewed-on: https://gem5-review.googlesource.com/10844
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 166 insertions, 0 deletions

diff --git a/src/systemc/dt/bit/sc_logic.cc b/src/systemc/dt/bit/sc_logic.cc
new file mode 100644
index 000000000..81663fcee
--- /dev/null
+++ b/src/systemc/dt/bit/sc_logic.cc
@@ -0,0 +1,166 @@
+/*****************************************************************************
+
+  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_logic.cpp -- C++ implementation of logic type. Behaves
+                  pretty much the same way as HDLs logic type.
+
+  Original Author: Stan Y. Liao, Synopsys, Inc.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+
+// $Log: sc_logic.cpp,v $
+// Revision 1.1.1.1  2006/12/15 20:20:04  acg
+// SystemC 2.3
+//
+// Revision 1.3  2006/01/13 18:53:53  acg
+// Andy Goodrich: added $Log command so that CVS comments are reproduced in
+// the source.
+//
+
+#include <sstream>
+
+#include "systemc/ext/dt/bit/sc_logic.hh"
+#include "systemc/ext/utils/sc_report_handler.hh"
+
+namespace sc_dt
+{
+
+// ----------------------------------------------------------------------------
+//  CLASS : sc_logic
+//
+//  Four-valued logic type.
+// ----------------------------------------------------------------------------
+
+// support methods
+void
+sc_logic::invalid_value(sc_logic_value_t v)
+{
+    invalid_value((int)v);
+}
+
+void
+sc_logic::invalid_value(char c)
+{
+    std::stringstream msg;
+    msg << "sc_logic('" << c << "')";
+    SC_REPORT_ERROR("value is not valid", msg.str().c_str());
+}
+
+void
+sc_logic::invalid_value(int i)
+{
+    std::stringstream msg;
+    msg << "sc_logic(" << i << ")";
+    SC_REPORT_ERROR("value is not valid", msg.str().c_str());
+}
+
+
+void
+sc_logic::invalid_01() const
+{
+    if ((int)m_val == Log_Z) {
+        SC_REPORT_WARNING("sc_logic value 'Z' cannot be converted to bool", 0);
+    } else {
+        SC_REPORT_WARNING("sc_logic value 'X' cannot be converted to bool", 0);
+    }
+}
+
+
+// conversion tables
+const sc_logic_value_t sc_logic::char_to_logic[128] = {
+    Log_0, Log_1, Log_Z, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_0, Log_1, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_Z, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X, Log_X,
+    Log_X, Log_X, Log_Z, Log_X, Log_X, Log_X, Log_X, Log_X
+};
+
+const char sc_logic::logic_to_char[4] = { '0', '1', 'Z', 'X' };
+
+const sc_logic_value_t sc_logic::and_table[4][4] = {
+    { Log_0, Log_0, Log_0, Log_0 },
+    { Log_0, Log_1, Log_X, Log_X },
+    { Log_0, Log_X, Log_X, Log_X },
+    { Log_0, Log_X, Log_X, Log_X }
+};
+
+const sc_logic_value_t sc_logic::or_table[4][4] = {
+    { Log_0, Log_1, Log_X, Log_X },
+    { Log_1, Log_1, Log_1, Log_1 },
+    { Log_X, Log_1, Log_X, Log_X },
+    { Log_X, Log_1, Log_X, Log_X }
+};
+
+const sc_logic_value_t sc_logic::xor_table[4][4] = {
+    { Log_0, Log_1, Log_X, Log_X },
+    { Log_1, Log_0, Log_X, Log_X },
+    { Log_X, Log_X, Log_X, Log_X },
+    { Log_X, Log_X, Log_X, Log_X }
+};
+
+const sc_logic_value_t sc_logic::not_table[4] = {
+    Log_1, Log_0, Log_X, Log_X
+};
+
+// other methods
+void
+sc_logic::scan(::std::istream &is)
+{
+    char c;
+    is >> c;
+    *this = c;
+}
+
+// #ifdef SC_DT_DEPRECATED
+const sc_logic sc_logic_0(Log_0);
+const sc_logic sc_logic_1(Log_1);
+const sc_logic sc_logic_Z(Log_Z);
+const sc_logic sc_logic_X(Log_X);
+// #endif
+
+const sc_logic SC_LOGIC_0(Log_0);
+const sc_logic SC_LOGIC_1(Log_1);
+const sc_logic SC_LOGIC_Z(Log_Z);
+const sc_logic SC_LOGIC_X(Log_X);
+
+} // namespace sc_dt