base.hh

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/*
 * Copyright (c) 2018 Inria
 * Copyright (c) 2012-2014,2017 ARM Limited
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#ifndef __MEM_CACHE_INDEXING_POLICIES_BASE_HH__
#define __MEM_CACHE_INDEXING_POLICIES_BASE_HH__
 
#include <vector>
 
#include "params/BaseIndexingPolicy.hh"
#include "sim/sim_object.hh"
 
class ReplaceableEntry;
 
class BaseIndexingPolicy : public SimObject
{
  protected:
    const unsigned assoc;
 
    const uint32_t numSets;
 
    const int setShift;
 
    const unsigned setMask;
 
    std::vector<std::vector<ReplaceableEntry*>> sets;
 
    const int tagShift;
 
  public:
    typedef BaseIndexingPolicyParams Params;
 
    BaseIndexingPolicy(const Params *p);
 
    ~BaseIndexingPolicy() {};
 
    void setEntry(ReplaceableEntry* entry, const uint64_t index);
 
    ReplaceableEntry* getEntry(const uint32_t set, const uint32_t way) const;
 
    virtual Addr extractTag(const Addr addr) const;
 
    virtual std::vector<ReplaceableEntry*> getPossibleEntries(const Addr addr)
                                                                    const = 0;
 
    virtual Addr regenerateAddr(const Addr tag, const ReplaceableEntry* entry)
                                                                    const = 0;
};
 
#endif //__MEM_CACHE_INDEXING_POLICIES_BASE_HH__