ruby: Import ruby and slicc from GEMS

We eventually plan to replace the m5 cache hierarchy with the GEMS
hierarchy, but for now we will make both live alongside eachother.

1 files changed, 244 insertions, 0 deletions

diff --git a/src/mem/slicc/ast/ChipComponentAccessAST.cc b/src/mem/slicc/ast/ChipComponentAccessAST.cc
new file mode 100644
index 000000000..1ba1b98f2
--- /dev/null
+++ b/src/mem/slicc/ast/ChipComponentAccessAST.cc
@@ -0,0 +1,244 @@
+
+/*
+ * 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.
+ */
+
+/*
+ * ChipComponentAccessAST.C
+ *
+ * Description: See ChipComponentAccessAST.h
+ *
+ * $Id: ChipComponentAccessAST.C 1.9 04/06/18 21:00:08-00:00 beckmann@cottons.cs.wisc.edu $
+ *
+ */
+
+#include "ChipComponentAccessAST.hh"
+
+ChipComponentAccessAST::ChipComponentAccessAST(VarExprAST* machine, ExprAST* mach_version, VarExprAST* component, string* proc_name, Vector<ExprAST*>* expr_vec_ptr)
+
+  : ExprAST()
+{
+  m_chip_ver_expr_ptr = NULL;
+  m_mach_var_ptr = machine;
+  m_comp_var_ptr = component;
+  m_mach_ver_expr_ptr = mach_version;
+  m_expr_vec_ptr = expr_vec_ptr;
+  m_proc_name_ptr = proc_name;
+  m_field_name_ptr = NULL;
+}
+
+ChipComponentAccessAST::ChipComponentAccessAST(VarExprAST* machine, ExprAST* mach_version, VarExprAST* component, string* field_name)
+
+  : ExprAST()
+{
+  m_chip_ver_expr_ptr = NULL;
+  m_mach_var_ptr = machine;
+  m_comp_var_ptr = component;
+  m_mach_ver_expr_ptr = mach_version;
+  m_expr_vec_ptr = NULL;
+  m_proc_name_ptr = NULL;
+  m_field_name_ptr = field_name;
+}
+
+ChipComponentAccessAST::ChipComponentAccessAST(ExprAST* chip_version, VarExprAST* machine, ExprAST* mach_version, VarExprAST* component, string* proc_name, Vector<ExprAST*>* expr_vec_ptr)
+
+  : ExprAST()
+{
+  m_chip_ver_expr_ptr = chip_version;
+  m_mach_var_ptr = machine;
+  m_comp_var_ptr = component;
+  m_mach_ver_expr_ptr = mach_version;
+  m_expr_vec_ptr = expr_vec_ptr;
+  m_proc_name_ptr = proc_name;
+  m_field_name_ptr = NULL;
+}
+
+ChipComponentAccessAST::ChipComponentAccessAST(ExprAST* chip_version, VarExprAST* machine, ExprAST* mach_version, VarExprAST* component, string* field_name)
+
+  : ExprAST()
+{
+  m_chip_ver_expr_ptr = chip_version;
+  m_mach_var_ptr = machine;
+  m_comp_var_ptr = component;
+  m_mach_ver_expr_ptr = mach_version;
+  m_expr_vec_ptr = NULL;
+  m_proc_name_ptr = NULL;
+  m_field_name_ptr = field_name;
+}
+
+
+
+ChipComponentAccessAST::~ChipComponentAccessAST()
+{
+  if (m_expr_vec_ptr != NULL) {
+    int size = m_expr_vec_ptr->size();
+    for(int i=0; i<size; i++) {
+      delete (*m_expr_vec_ptr)[i];
+    }
+  }
+
+  delete m_mach_var_ptr;
+  delete m_comp_var_ptr;
+  delete m_mach_ver_expr_ptr;
+
+  if (m_proc_name_ptr != NULL) {
+    delete m_proc_name_ptr;
+  }
+
+  if (m_field_name_ptr != NULL) {
+    delete m_field_name_ptr;
+  }
+
+  if (m_chip_ver_expr_ptr != NULL) {
+    delete m_chip_ver_expr_ptr;
+  }
+}
+
+Type* ChipComponentAccessAST::generate(string& code) const
+{
+  Type* void_type_ptr = g_sym_table.getType("void");
+  Type* ret_type_ptr;
+
+
+  code += "(";
+
+  Var* v = g_sym_table.getMachComponentVar(m_mach_var_ptr->getName(), m_comp_var_ptr->getName());
+
+  string orig_code = v->getCode();
+  string working_code;
+
+  if (m_chip_ver_expr_ptr != NULL) {
+    // replace m_chip_ptr with specified chip
+
+    unsigned int t = orig_code.find("m_chip_ptr");
+    assert(t != string::npos);
+    string code_temp0 = orig_code.substr(0, t);
+    string code_temp1 = orig_code.substr(t+10);
+
+    working_code += code_temp0;
+    working_code += "g_system_ptr->getChip(";
+    m_chip_ver_expr_ptr->generate(working_code);
+    working_code += ")";
+    working_code += code_temp1;
+  }
+  else {
+    working_code += orig_code;
+  }
+
+  // replace default "m_version" with the version we really want
+  unsigned int tmp_uint = working_code.find("m_version");
+  assert(tmp_uint != string::npos);
+  string code_temp2 = working_code.substr(0, tmp_uint);
+  string code_temp3 = working_code.substr(tmp_uint+9);
+
+  code += code_temp2;
+  code += "(";
+  m_mach_ver_expr_ptr->generate(code);
+  code += ")";
+  code += code_temp3;
+  code += ")";
+
+  if (m_proc_name_ptr != NULL) {
+    // method call
+    code += ".";
+
+    Vector <Type*> paramTypes;
+
+    // generate code
+    int actual_size = m_expr_vec_ptr->size();
+    code += (*m_proc_name_ptr) + "(";
+    for(int i=0; i<actual_size; i++) {
+      if (i != 0) {
+        code += ", ";
+      }
+      // Check the types of the parameter
+      Type* actual_type_ptr = (*m_expr_vec_ptr)[i]->generate(code);
+      paramTypes.insertAtBottom(actual_type_ptr);
+    }
+    code += ")";
+
+    Type* obj_type_ptr = v->getType();
+    string methodId = obj_type_ptr->methodId(*m_proc_name_ptr, paramTypes);
+
+    // Verify that this is a method of the object
+    if (!obj_type_ptr->methodExist(methodId)) {
+      error("Invalid method call: Type '" + obj_type_ptr->toString() + "' does not have a method '" + methodId + "'");
+    }
+
+    int expected_size = obj_type_ptr->methodParamType(methodId).size();
+    if (actual_size != expected_size) {
+      // Right number of parameters
+      ostringstream err;
+      err << "Wrong number of parameters for function name: '" << *m_proc_name_ptr << "'";
+      err << ", expected: ";
+      err << expected_size;
+      err << ", actual: ";
+      err << actual_size;
+      error(err.str());
+    }
+
+    for(int i=0; i<actual_size; i++) {
+      // Check the types of the parameter
+      Type* actual_type_ptr = paramTypes[i];
+      Type* expected_type_ptr = obj_type_ptr->methodParamType(methodId)[i];
+      if (actual_type_ptr != expected_type_ptr) {
+        (*m_expr_vec_ptr)[i]->error("Type mismatch: expected: " + expected_type_ptr->toString() +
+                                    " actual: " + actual_type_ptr->toString());
+      }
+    }
+
+    // Return the return type of the method
+    ret_type_ptr = obj_type_ptr->methodReturnType(methodId);
+  }
+  else if (m_field_name_ptr != NULL) {
+    Type* obj_type_ptr = v->getType();
+    code += ").m_" + (*m_field_name_ptr);
+
+    // Verify that this is a valid field name for this type
+    if (!obj_type_ptr->dataMemberExist(*m_field_name_ptr)) {
+      error("Invalid object field: Type '" + obj_type_ptr->toString() + "' does not have data member " + *m_field_name_ptr);
+    }
+
+    // Return the type of the field
+    ret_type_ptr = obj_type_ptr->dataMemberType(*m_field_name_ptr);
+  }
+  else {
+    assert(0);
+  }
+
+  return ret_type_ptr;
+}
+
+void ChipComponentAccessAST::findResources(Map<Var*, string>& resource_list) const
+{
+
+}
+
+void ChipComponentAccessAST::print(ostream& out) const
+{
+  out << "[ChipAccessExpr: " << *m_expr_vec_ptr << "]";
+}