weighted_lru_rp.hh

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/*
 * Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
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#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_WEIGHTED_LRU_RP_HH__
#define __MEM_CACHE_REPLACEMENT_POLICIES_WEIGHTED_LRU_RP_HH__
 
#include <memory>
 
#include "base/types.hh"
#include "mem/cache/replacement_policies/lru_rp.hh"
 
namespace gem5
{
 
struct WeightedLRURPParams;
 
GEM5_DEPRECATED_NAMESPACE(ReplacementPolicy, replacement_policy);
namespace replacement_policy
{
 
class WeightedLRU : public LRU
{
  protected:
    struct WeightedLRUReplData : LRUReplData
    {
        int last_occ_ptr;
 
        WeightedLRUReplData() : LRUReplData(), last_occ_ptr(0) {}
    };
  public:
    typedef WeightedLRURPParams Params;
    WeightedLRU(const Params &p);
    ~WeightedLRU() = default;
 
    using Base::touch;
    void touch(const std::shared_ptr<ReplacementData>& replacement_data,
                                        int occupancy) const;
 
    std::shared_ptr<ReplacementData> instantiateEntry() override;
 
    ReplaceableEntry* getVictim(const ReplacementCandidates&
                                              candidates) const override;
};
 
} // namespace replacement_policy
} // namespace gem5
 
#endif // __MEM_CACHE_REPLACEMENT_POLICIES_WEIGHTED_LRU_RP_HH__