sc_mm.cc

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/*
 * Copyright (c) 2015, University of Kaiserslautern
 * All rights reserved.
 *
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 * 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
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#include "systemc/tlm_bridge/sc_mm.hh"
 
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);
}
 
} // namespace Gem5SystemC