associative_set.hh

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#ifndef __CACHE_PREFETCH_ASSOCIATIVE_SET_HH__
#define __CACHE_PREFETCH_ASSOCIATIVE_SET_HH__
 
#include <type_traits>
 
#include "base/cache/associative_cache.hh"
#include "mem/cache/replacement_policies/base.hh"
#include "mem/cache/tags/indexing_policies/base.hh"
#include "mem/cache/tags/tagged_entry.hh"
 
namespace gem5
{
 
template<class Entry>
class AssociativeSet : public AssociativeCache<Entry>
{
    static_assert(std::is_base_of_v<TaggedEntry, Entry>,
                  "Entry must derive from TaggedEntry");
 
  public:
    AssociativeSet(const char *name, const size_t num_entries,
                   const size_t associativity_,
                   replacement_policy::Base *repl_policy,
                   BaseIndexingPolicy *indexing_policy,
                   Entry const &init_val = Entry());
 
    Entry* findEntry(Addr addr, bool is_secure) const;
 
    void insertEntry(Addr addr, bool is_secure, Entry* entry);
 
  private:
    // The following APIs are excluded since they lack the secure bit
    using AssociativeCache<Entry>::getTag;
    using AssociativeCache<Entry>::accessEntryByAddr;
    using AssociativeCache<Entry>::findEntry;
    using AssociativeCache<Entry>::insertEntry;
    using AssociativeCache<Entry>::getPossibleEntries;
 
    using AssociativeCache<Entry>::replPolicy;
    using AssociativeCache<Entry>::indexingPolicy;
};
 
} // namespace gem5
 
#endif//__CACHE_PREFETCH_ASSOCIATIVE_SET_HH__