base.hh (9663:45df88079f04) base.hh (9796:485399270ca1)
1/*
1/*
2 * Copyright (c) 2012 ARM Limited
2 * Copyright (c) 2012-2013 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"
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#include "params/BaseTags.hh"
57#include "sim/clocked_object.hh"
56
57class BaseCache;
58
59/**
60 * A common base class of Cache tagstore objects.
61 */
58
59class BaseCache;
60
61/**
62 * A common base class of Cache tagstore objects.
63 */
62class BaseTags
64class BaseTags : public ClockedObject
63{
64 protected:
65{
66 protected:
67 /** The block size of the cache. */
68 const unsigned blkSize;
69 /** The size of the cache. */
70 const unsigned size;
71 /** The hit latency of the cache. */
72 const Cycles hitLatency;
73
65 /** Pointer to the parent cache. */
66 BaseCache *cache;
67
74 /** Pointer to the parent cache. */
75 BaseCache *cache;
76
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:
77 /**
78 * The number of tags that need to be touched to meet the warmup
79 * percentage.
80 */
81 int warmupBound;
82 /** Marked true when the cache is warmed up. */
83 bool warmedUp;
84

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

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