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 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2006 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 * Andreas Hansson 42 */ 43 44#ifndef __BASE_ADDR_RANGE_MAP_HH__ 45#define __BASE_ADDR_RANGE_MAP_HH__ 46 47#include <map> 48#include <utility> 49 50#include "base/addr_range.hh" 51 52/** 53 * The AddrRangeMap uses an STL map to implement an interval tree for 54 * address decoding. The value stored is a template type and can be 55 * e.g. a port identifier, or a pointer. 56 */ 57template <typename V> 58class AddrRangeMap 59{ 60 private: 61 typedef std::map<AddrRange, V> RangeMap; 62 RangeMap tree; 63 64 public: 65 typedef typename RangeMap::iterator iterator; 66 typedef typename RangeMap::const_iterator const_iterator; 67 68 const_iterator 69 find(const AddrRange &r) const 70 {
| 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 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2006 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 * Andreas Hansson 42 */ 43 44#ifndef __BASE_ADDR_RANGE_MAP_HH__ 45#define __BASE_ADDR_RANGE_MAP_HH__ 46 47#include <map> 48#include <utility> 49 50#include "base/addr_range.hh" 51 52/** 53 * The AddrRangeMap uses an STL map to implement an interval tree for 54 * address decoding. The value stored is a template type and can be 55 * e.g. a port identifier, or a pointer. 56 */ 57template <typename V> 58class AddrRangeMap 59{ 60 private: 61 typedef std::map<AddrRange, V> RangeMap; 62 RangeMap tree; 63 64 public: 65 typedef typename RangeMap::iterator iterator; 66 typedef typename RangeMap::const_iterator const_iterator; 67 68 const_iterator 69 find(const AddrRange &r) const 70 {
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71 const_iterator i;
| 71 if (tree.empty()) 72 return tree.end();
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72
| 73
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73 i = tree.upper_bound(r);
| 74 const_iterator i = tree.upper_bound(r);
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74 75 if (i == tree.begin()) { 76 if (i->first.intersects(r)) 77 return i; 78 else 79 // Nothing could match, so return end() 80 return tree.end(); 81 } 82 83 --i; 84 85 if (i->first.intersects(r)) 86 return i; 87 88 return tree.end(); 89 } 90
| 75 76 if (i == tree.begin()) { 77 if (i->first.intersects(r)) 78 return i; 79 else 80 // Nothing could match, so return end() 81 return tree.end(); 82 } 83 84 --i; 85 86 if (i->first.intersects(r)) 87 return i; 88 89 return tree.end(); 90 } 91
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91 iterator 92 find(const AddrRange &r) 93 { 94 iterator i; 95 96 i = tree.upper_bound(r); 97 98 if (i == tree.begin()) { 99 if (i->first.intersects(r)) 100 return i; 101 else 102 // Nothing could match, so return end() 103 return tree.end(); 104 } 105 106 --i; 107 108 if (i->first.intersects(r)) 109 return i; 110 111 return tree.end(); 112 } 113
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114 const_iterator 115 find(const Addr &r) const 116 { 117 return find(RangeSize(r, 1)); 118 } 119
| 92 const_iterator 93 find(const Addr &r) const 94 { 95 return find(RangeSize(r, 1)); 96 } 97
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120 iterator 121 find(const Addr &r) 122 { 123 return find(RangeSize(r, 1)); 124 } 125
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126 bool
| 98 bool
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127 intersect(const AddrRange &r)
| 99 intersect(const AddrRange &r) const
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128 {
| 100 {
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129 iterator i; 130 i = find(r); 131 if (i != tree.end()) 132 return true; 133 return false;
| 101 return find(r) != tree.end();
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134 } 135
| 102 } 103
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136 iterator
| 104 const_iterator
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137 insert(const AddrRange &r, const V& d) 138 { 139 if (intersect(r)) 140 return tree.end(); 141 142 return tree.insert(std::make_pair(r, d)).first; 143 } 144
| 105 insert(const AddrRange &r, const V& d) 106 { 107 if (intersect(r)) 108 return tree.end(); 109 110 return tree.insert(std::make_pair(r, d)).first; 111 } 112
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145 std::size_t 146 erase(Addr k) 147 { 148 return tree.erase(k); 149 } 150
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151 void 152 erase(iterator p) 153 { 154 tree.erase(p); 155 } 156 157 void 158 erase(iterator p, iterator q) 159 { 160 tree.erase(p,q); 161 } 162 163 void 164 clear() 165 { 166 tree.erase(tree.begin(), tree.end()); 167 } 168 169 const_iterator 170 begin() const 171 { 172 return tree.begin(); 173 } 174 175 iterator 176 begin() 177 { 178 return tree.begin(); 179 } 180 181 const_iterator 182 end() const 183 { 184 return tree.end(); 185 } 186 187 iterator 188 end() 189 { 190 return tree.end(); 191 } 192 193 std::size_t 194 size() const 195 { 196 return tree.size(); 197 } 198 199 bool 200 empty() const 201 { 202 return tree.empty(); 203 } 204}; 205 206#endif //__BASE_ADDR_RANGE_MAP_HH__
| 113 void 114 erase(iterator p) 115 { 116 tree.erase(p); 117 } 118 119 void 120 erase(iterator p, iterator q) 121 { 122 tree.erase(p,q); 123 } 124 125 void 126 clear() 127 { 128 tree.erase(tree.begin(), tree.end()); 129 } 130 131 const_iterator 132 begin() const 133 { 134 return tree.begin(); 135 } 136 137 iterator 138 begin() 139 { 140 return tree.begin(); 141 } 142 143 const_iterator 144 end() const 145 { 146 return tree.end(); 147 } 148 149 iterator 150 end() 151 { 152 return tree.end(); 153 } 154 155 std::size_t 156 size() const 157 { 158 return tree.size(); 159 } 160 161 bool 162 empty() const 163 { 164 return tree.empty(); 165 } 166}; 167 168#endif //__BASE_ADDR_RANGE_MAP_HH__
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