replaceable_entry.hh

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#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_REPLACEABLE_ENTRY_HH__
#define __MEM_CACHE_REPLACEMENT_POLICIES_REPLACEABLE_ENTRY_HH__
 
#include <cstdint>
#include <memory>
 
#include "base/compiler.hh"
#include "base/cprintf.hh"
 
namespace gem5
{
 
namespace replacement_policy
{
 
struct ReplacementData {};
 
} // namespace replacement_policy
 
class ReplaceableEntry
{
  protected:
    uint32_t _set;
 
    uint32_t _way;
 
  public:
    ReplaceableEntry() : _set(0), _way(0) {}
    virtual ~ReplaceableEntry() = default;
 
    std::shared_ptr<replacement_policy::ReplacementData> replacementData;
 
    virtual void
    setPosition(const uint32_t set, const uint32_t way)
    {
        _set = set;
        _way = way;
    }
 
    uint32_t getSet() const { return _set; }
 
    uint32_t getWay() const { return _way; }
 
    virtual std::string
    print() const
    {
        return csprintf("set: %#x way: %#x", getSet(), getWay());
    }
};
 
} // namespace gem5
 
#endif // __MEM_CACHE_REPLACEMENT_POLICIES_REPLACEABLE_ENTRY_HH_