1 files changed, 85 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/CopyHeadStatementAST.cc b/src/mem/slicc/ast/CopyHeadStatementAST.cc
new file mode 100644
index 000000000..8d455eb9d
--- /dev/null
+++ b/src/mem/slicc/ast/CopyHeadStatementAST.cc
@@ -0,0 +1,85 @@
+
+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ *
+ */
+
+#include "mem/slicc/ast/CopyHeadStatementAST.hh"
+#include "mem/slicc/symbols/SymbolTable.hh"
+#include "mem/slicc/ast/VarExprAST.hh"
+#include "mem/gems_common/util.hh"
+
+CopyHeadStatementAST::CopyHeadStatementAST(VarExprAST* in_queue_ptr,
+                                           VarExprAST* out_queue_ptr,
+                                           PairListAST* pairs_ptr)
+  : StatementAST(pairs_ptr->getPairs())
+{
+  m_in_queue_ptr = in_queue_ptr;
+  m_out_queue_ptr = out_queue_ptr;
+}
+
+CopyHeadStatementAST::~CopyHeadStatementAST()
+{
+  delete m_in_queue_ptr;
+  delete m_out_queue_ptr;
+}
+
+void CopyHeadStatementAST::generate(string& code, Type* return_type_ptr) const
+{
+  m_in_queue_ptr->assertType("InPort");
+  m_out_queue_ptr->assertType("OutPort");
+
+  code += indent_str();
+  code += m_out_queue_ptr->getVar()->getCode() + ".enqueue(" + m_in_queue_ptr->getVar()->getCode() + ".getMsgPtrCopy()";
+
+  if (getPairs().exist("latency")) {
+    code += ", " + getPairs().lookup("latency");
+  } else {
+    code += ", COPY_HEAD_LATENCY";
+  }
+
+  code += ");\n";
+}
+
+void CopyHeadStatementAST::findResources(Map<Var*, string>& resource_list) const
+{
+  Var* var_ptr = m_out_queue_ptr->getVar();
+  int res_count = 0;
+  if (resource_list.exist(var_ptr)) {
+    res_count = atoi((resource_list.lookup(var_ptr)).c_str());
+  }
+  resource_list.add(var_ptr, int_to_string(res_count+1));
+}
+
+void CopyHeadStatementAST::print(ostream& out) const
+{
+  out << "[CopyHeadStatementAst: " << *m_in_queue_ptr << " " << *m_out_queue_ptr << "]";
+}