1/*
2 * Copyright (c) 2013-2014 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

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62struct BasePrefetcherParams;
63
64class BasePrefetcher : public ClockedObject
65{
66 class PrefetchListener : public ProbeListenerArgBase<PacketPtr>
67 {
68 public:
69 PrefetchListener(BasePrefetcher &_parent, ProbeManager *pm,
70 const std::string &name)
71 : ProbeListenerArgBase(pm, name),
72 parent(_parent) {}
73 void notify(const PacketPtr &pkt) override;
74 protected:
75 BasePrefetcher &parent;
76 };
77
78 std::vector<PrefetchListener *> listeners;
79
80 public:
81
82 /**
83 * Class containing the information needed by the prefetch to train and

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248 void setCache(BaseCache *_cache);
249
250 /**
251 * Notify prefetcher of cache access (may be any access or just
252 * misses, depending on cache parameters.)
253 */
254 virtual void notify(const PacketPtr &pkt, const PrefetchInfo &pfi) = 0;
255
256 virtual PacketPtr getPacket() = 0;
257
258 virtual Tick nextPrefetchReadyTime() const = 0;
259
260 /**
261 * Register local statistics.
262 */
263 void regStats() override;

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