replacement_policy.h

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#pragma once
 
#include "cache_abc.h"
 
class ReplacementPolicy {
public:
 
    ReplacementPolicy(CacheABC& cache, uint32_t num_sets, uint32_t assoc)
        : cache(cache), num_sets(num_sets), assoc(assoc) {}
    virtual ~ReplacementPolicy() {}
 
    virtual uint32_t getVictim(uint32_t set_idx) { return 0; }
 
    virtual void touch(uint32_t set_idx, uint32_t way_idx) {}
 
    virtual void printState(uint32_t set_idx) {}
 
protected:
 
    CacheABC& cache;
 
    uint32_t num_sets;
    uint32_t assoc;
};
 
#define ADD_REPLACER_TO_CMD_LINE(rep_pol) static int register_replacement = []() { \
if (replacement_map == nullptr) replacement_map = new std::map<std::string, rep_factory_t, ci_less>(); \
(*replacement_map)[#rep_pol] = [](CacheABC& cache, uint32_t num_sets, uint32_t assoc) \
{ return new rep_pol(cache, num_sets, assoc); }; return 0; }()