1/*
2 * Copyright (c) 2012 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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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48
49#ifndef __BASE_TAGS_HH__
50#define __BASE_TAGS_HH__
51
52#include <string>
53
54#include "base/callback.hh"
55#include "base/statistics.hh"
56
57class BaseCache;
58
59/**
60 * A common base class of Cache tagstore objects.
61 */
62class BaseTags
63{
64 protected:
65 /** Pointer to the parent cache. */
66 BaseCache *cache;
67
68 /** Local copy of the parent cache name. Used for DPRINTF. */
69 std::string objName;
70
71 /**
72 * The number of tags that need to be touched to meet the warmup
73 * percentage.
74 */
75 int warmupBound;
76 /** Marked true when the cache is warmed up. */
77 bool warmedUp;
78

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115 /** Average occ % of each requestor using the cache */
116 Stats::Formula avgOccs;
117
118 /**
119 * @}
120 */
121
122 public:
123
124 /**
125 * Destructor.
126 */
127 virtual ~BaseTags() {}
128
129 /**
130 * Set the parent cache back pointer. Also copies the cache name to
131 * objName.
132 * @param _cache Pointer to parent cache.
133 */
134 void setCache(BaseCache *_cache);
135
136 /**
137 * Return the parent cache name.
138 * @return the parent cache name.
139 */
140 const std::string &name() const
141 {
142 return objName;
143 }
144
145 /**
146 * Register local statistics.
147 * @param name The name to preceed each statistic name.
148 */
149 void regStats(const std::string &name);
150
151 /**
152 * Average in the reference count for valid blocks when the simulation
153 * exits.
154 */
155 virtual void cleanupRefs() {}
156
157 /**

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