1/*
2 * Copyright (c) 2010-2012 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

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86
87 TlbEntry *table; // the Page Table
88 int size; // TLB Size
89
90 uint32_t _attr; // Memory attributes for last accessed TLB entry
91
92 TableWalker *tableWalker;
93
94 // Access Stats
95 mutable Stats::Scalar instHits;
96 mutable Stats::Scalar instMisses;
97 mutable Stats::Scalar readHits;
98 mutable Stats::Scalar readMisses;
99 mutable Stats::Scalar writeHits;
100 mutable Stats::Scalar writeMisses;
101 mutable Stats::Scalar inserts;

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119 int rangeMRU; //On lookup, only move entries ahead when outside rangeMRU
120
121 bool bootUncacheability;
122
123 public:
124 typedef ArmTLBParams Params;
125 TLB(const Params *p);
126
127 /** Lookup an entry in the TLB
128 * @param vpn virtual address
129 * @param asn context id/address space id to use
130 * @param functional if the lookup should modify state
131 * @return pointer to TLB entrry if it exists
132 */
133 TlbEntry *lookup(Addr vpn, uint8_t asn, bool functional = false);
134
135 virtual ~TLB();
136 int getsize() const { return size; }
137
138 void insert(Addr vaddr, TlbEntry &pte);
139
140 /** Reset the entire TLB */
141 void flushAll();
142

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