113820Sgabeblack@google.com/* 213820Sgabeblack@google.com * Copyright (c) 2015, University of Kaiserslautern 313820Sgabeblack@google.com * All rights reserved. 413820Sgabeblack@google.com * 513820Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 613820Sgabeblack@google.com * modification, are permitted provided that the following conditions are 713820Sgabeblack@google.com * met: 813820Sgabeblack@google.com * 913820Sgabeblack@google.com * 1. Redistributions of source code must retain the above copyright notice, 1013820Sgabeblack@google.com * this list of conditions and the following disclaimer. 1113820Sgabeblack@google.com * 1213820Sgabeblack@google.com * 2. Redistributions in binary form must reproduce the above copyright 1313820Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1413820Sgabeblack@google.com * documentation and/or other materials provided with the distribution. 1513820Sgabeblack@google.com * 1613820Sgabeblack@google.com * 3. Neither the name of the copyright holder nor the names of its 1713820Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1813820Sgabeblack@google.com * this software without specific prior written permission. 1913820Sgabeblack@google.com * 2013820Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2113820Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2213820Sgabeblack@google.com * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2313820Sgabeblack@google.com * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 2413820Sgabeblack@google.com * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2513820Sgabeblack@google.com * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2613820Sgabeblack@google.com * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2713820Sgabeblack@google.com * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2813820Sgabeblack@google.com * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2913820Sgabeblack@google.com * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3013820Sgabeblack@google.com * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3113820Sgabeblack@google.com * 3213820Sgabeblack@google.com * Authors: 3313820Sgabeblack@google.com * Robert Gernhardt 3413820Sgabeblack@google.com * Matthias Jung 3513820Sgabeblack@google.com */ 3613820Sgabeblack@google.com 3713820Sgabeblack@google.com#include "systemc/tlm_bridge/sc_mm.hh" 3813820Sgabeblack@google.com 3913820Sgabeblack@google.comnamespace Gem5SystemC 4013820Sgabeblack@google.com{ 4113820Sgabeblack@google.com 4213820Sgabeblack@google.comMemoryManager::MemoryManager() : numberOfAllocations(0), numberOfFrees(0) {} 4313820Sgabeblack@google.com 4413820Sgabeblack@google.comMemoryManager::~MemoryManager() 4513820Sgabeblack@google.com{ 4613820Sgabeblack@google.com for (gp *payload: freePayloads) { 4713820Sgabeblack@google.com delete payload; 4813820Sgabeblack@google.com numberOfFrees++; 4913820Sgabeblack@google.com } 5013820Sgabeblack@google.com} 5113820Sgabeblack@google.com 5213820Sgabeblack@google.comgp * 5313820Sgabeblack@google.comMemoryManager::allocate() 5413820Sgabeblack@google.com{ 5513820Sgabeblack@google.com if (freePayloads.empty()) { 5613820Sgabeblack@google.com numberOfAllocations++; 5713820Sgabeblack@google.com return new gp(this); 5813820Sgabeblack@google.com } else { 5913820Sgabeblack@google.com gp *result = freePayloads.back(); 6013820Sgabeblack@google.com freePayloads.pop_back(); 6113820Sgabeblack@google.com return result; 6213820Sgabeblack@google.com } 6313820Sgabeblack@google.com} 6413820Sgabeblack@google.com 6513820Sgabeblack@google.comvoid 6613820Sgabeblack@google.comMemoryManager::free(gp *payload) 6713820Sgabeblack@google.com{ 6813820Sgabeblack@google.com payload->reset(); // clears all extensions 6913820Sgabeblack@google.com freePayloads.push_back(payload); 7013820Sgabeblack@google.com} 7113820Sgabeblack@google.com 7213820Sgabeblack@google.com} // namespace Gem5SystemC 73