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+/*
+ * Copyright (c) 2015, University of Kaiserslautern
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder 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 HOLDER
+ * 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.
+ *
+ * Authors:
+ * Robert Gernhardt
+ * Matthias Jung
+ */
+
+#include <iostream>
+
+#include "sc_mm.hh"
+
+using namespace std;
+
+namespace Gem5SystemC
+{
+
+MemoryManager::MemoryManager(): numberOfAllocations(0), numberOfFrees(0)
+{
+
+}
+
+MemoryManager::~MemoryManager()
+{
+ for (gp* payload: freePayloads) {
+ delete payload;
+ numberOfFrees++;
+ }
+}
+
+gp*
+MemoryManager::allocate()
+{
+ if (freePayloads.empty()) {
+ numberOfAllocations++;
+ return new gp(this);
+ } else {
+ gp* result = freePayloads.back();
+ freePayloads.pop_back();
+ return result;
+ }
+}
+
+void
+MemoryManager::free(gp* payload)
+{
+ payload->reset(); //clears all extensions
+ freePayloads.push_back(payload);
+}
+
+}