1/* 2 * Copyright (c) 2012-2013, 2015 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 34 unchanged lines hidden (view full) --- 43/** 44 * @file 45 * Describes a strided prefetcher. 46 */ 47 48#ifndef __MEM_CACHE_PREFETCH_STRIDE_HH__ 49#define __MEM_CACHE_PREFETCH_STRIDE_HH__ 50 |
51#include <unordered_map> 52 |
53#include "mem/cache/prefetch/queued.hh" 54#include "params/StridePrefetcher.hh" 55 56class StridePrefetcher : public QueuedPrefetcher 57{ 58 protected: 59 const int maxConf; 60 const int threshConf; --- 34 unchanged lines hidden (view full) --- 95 } 96 97 ~PCTable(); 98 private: 99 const std::string name() {return _name; } 100 const int pcTableAssoc; 101 const int pcTableSets; 102 const std::string _name; |
103 std::unordered_map<int, StrideEntry**> entries; |
104 105 StrideEntry** allocateNewContext(int context); 106 }; 107 PCTable pcTable; 108 109 bool pcTableHit(Addr pc, bool is_secure, int master_id, StrideEntry* &entry); 110 StrideEntry* pcTableVictim(Addr pc, int master_id); 111 112 Addr pcHash(Addr pc) const; 113 public: 114 115 StridePrefetcher(const StridePrefetcherParams *p); 116 117 void calculatePrefetch(const PacketPtr &pkt, std::vector<Addr> &addresses); 118}; 119 120#endif // __MEM_CACHE_PREFETCH_STRIDE_HH__ |