112047Schristian.menard@tu-dresden.de/* 212047Schristian.menard@tu-dresden.de * Copyright (c) 2015, University of Kaiserslautern 312047Schristian.menard@tu-dresden.de * All rights reserved. 412047Schristian.menard@tu-dresden.de * 512047Schristian.menard@tu-dresden.de * Redistribution and use in source and binary forms, with or without 612047Schristian.menard@tu-dresden.de * modification, are permitted provided that the following conditions are 712047Schristian.menard@tu-dresden.de * met: 812047Schristian.menard@tu-dresden.de * 912047Schristian.menard@tu-dresden.de * 1. Redistributions of source code must retain the above copyright notice, 1012047Schristian.menard@tu-dresden.de * this list of conditions and the following disclaimer. 1112047Schristian.menard@tu-dresden.de * 1212047Schristian.menard@tu-dresden.de * 2. Redistributions in binary form must reproduce the above copyright 1312047Schristian.menard@tu-dresden.de * notice, this list of conditions and the following disclaimer in the 1412047Schristian.menard@tu-dresden.de * documentation and/or other materials provided with the distribution. 1512047Schristian.menard@tu-dresden.de * 1612047Schristian.menard@tu-dresden.de * 3. Neither the name of the copyright holder nor the names of its 1712047Schristian.menard@tu-dresden.de * contributors may be used to endorse or promote products derived from 1812047Schristian.menard@tu-dresden.de * this software without specific prior written permission. 1912047Schristian.menard@tu-dresden.de * 2012047Schristian.menard@tu-dresden.de * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2112047Schristian.menard@tu-dresden.de * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2212047Schristian.menard@tu-dresden.de * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2312047Schristian.menard@tu-dresden.de * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 2412047Schristian.menard@tu-dresden.de * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2512047Schristian.menard@tu-dresden.de * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2612047Schristian.menard@tu-dresden.de * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2712047Schristian.menard@tu-dresden.de * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2812047Schristian.menard@tu-dresden.de * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2912047Schristian.menard@tu-dresden.de * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3012047Schristian.menard@tu-dresden.de * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3112047Schristian.menard@tu-dresden.de * 3212047Schristian.menard@tu-dresden.de * Authors: 3312047Schristian.menard@tu-dresden.de * Robert Gernhardt 3412047Schristian.menard@tu-dresden.de * Matthias Jung 3512047Schristian.menard@tu-dresden.de */ 3612047Schristian.menard@tu-dresden.de 3712047Schristian.menard@tu-dresden.de#include <iostream> 3812047Schristian.menard@tu-dresden.de 3912047Schristian.menard@tu-dresden.de#include "sc_mm.hh" 4012047Schristian.menard@tu-dresden.de 4112047Schristian.menard@tu-dresden.deusing namespace std; 4212047Schristian.menard@tu-dresden.de 4312047Schristian.menard@tu-dresden.denamespace Gem5SystemC 4412047Schristian.menard@tu-dresden.de{ 4512047Schristian.menard@tu-dresden.de 4612047Schristian.menard@tu-dresden.deMemoryManager::MemoryManager(): numberOfAllocations(0), numberOfFrees(0) 4712047Schristian.menard@tu-dresden.de{ 4812047Schristian.menard@tu-dresden.de 4912047Schristian.menard@tu-dresden.de} 5012047Schristian.menard@tu-dresden.de 5112047Schristian.menard@tu-dresden.deMemoryManager::~MemoryManager() 5212047Schristian.menard@tu-dresden.de{ 5312047Schristian.menard@tu-dresden.de for (gp* payload: freePayloads) { 5412047Schristian.menard@tu-dresden.de delete payload; 5512047Schristian.menard@tu-dresden.de numberOfFrees++; 5612047Schristian.menard@tu-dresden.de } 5712047Schristian.menard@tu-dresden.de} 5812047Schristian.menard@tu-dresden.de 5912047Schristian.menard@tu-dresden.degp* 6012047Schristian.menard@tu-dresden.deMemoryManager::allocate() 6112047Schristian.menard@tu-dresden.de{ 6212047Schristian.menard@tu-dresden.de if (freePayloads.empty()) { 6312047Schristian.menard@tu-dresden.de numberOfAllocations++; 6412047Schristian.menard@tu-dresden.de return new gp(this); 6512047Schristian.menard@tu-dresden.de } else { 6612047Schristian.menard@tu-dresden.de gp* result = freePayloads.back(); 6712047Schristian.menard@tu-dresden.de freePayloads.pop_back(); 6812047Schristian.menard@tu-dresden.de return result; 6912047Schristian.menard@tu-dresden.de } 7012047Schristian.menard@tu-dresden.de} 7112047Schristian.menard@tu-dresden.de 7212047Schristian.menard@tu-dresden.devoid 7312047Schristian.menard@tu-dresden.deMemoryManager::free(gp* payload) 7412047Schristian.menard@tu-dresden.de{ 7512047Schristian.menard@tu-dresden.de payload->reset(); //clears all extensions 7612047Schristian.menard@tu-dresden.de freePayloads.push_back(payload); 7712047Schristian.menard@tu-dresden.de} 7812047Schristian.menard@tu-dresden.de 7912047Schristian.menard@tu-dresden.de} 80