base.hh

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#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__
#define __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__

#include <memory>

#include "mem/cache/replacement_policies/replaceable_entry.hh"
#include "params/BaseReplacementPolicy.hh"
#include "sim/sim_object.hh"

typedef std::vector<ReplaceableEntry*> ReplacementCandidates;

class BaseReplacementPolicy : public SimObject
{
  public:
    typedef BaseReplacementPolicyParams Params;

    BaseReplacementPolicy(const Params *p) : SimObject(p) {}

    virtual ~BaseReplacementPolicy() {}

    virtual void invalidate(const std::shared_ptr<ReplacementData>&
                                                replacement_data) const = 0;

    virtual void touch(const std::shared_ptr<ReplacementData>&
                                                replacement_data) const = 0;

    virtual void reset(const std::shared_ptr<ReplacementData>&
                                                replacement_data) const = 0;

    virtual ReplaceableEntry* getVictim(
                           const ReplacementCandidates& candidates) const = 0;

    virtual std::shared_ptr<ReplacementData> instantiateEntry() = 0;
};

#endif // __MEM_CACHE_REPLACEMENT_POLICIES_BASE_HH__