DataBlock.hh (7002:48a19d52d939) | DataBlock.hh (7039:bc0b6ea676b5) |
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1 | |
2/* 3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; --- 12 unchanged lines hidden (view full) --- 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 | 1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 12 unchanged lines hidden (view full) --- 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 |
30#ifndef DATABLOCK_H 31#define DATABLOCK_H | 29#ifndef __MEM_RUBY_COMMON_DATABLOCK_HH__ 30#define __MEM_RUBY_COMMON_DATABLOCK_HH__ |
32 33#include <iomanip> 34#include <iostream> 35 | 31 32#include <iomanip> 33#include <iostream> 34 |
35#include "mem/gems_common/Vector.hh" |
|
36#include "mem/ruby/common/Global.hh" 37#include "mem/ruby/system/System.hh" | 36#include "mem/ruby/common/Global.hh" 37#include "mem/ruby/system/System.hh" |
38#include "mem/gems_common/Vector.hh" | |
39 | 38 |
40class DataBlock { 41 public: 42 // Constructors 43 DataBlock() {alloc();} 44 DataBlock(const DataBlock & cp) { 45 m_data = new uint8[RubySystem::getBlockSizeBytes()]; 46 memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes()); 47 m_alloc = true; 48 } | 39class DataBlock 40{ 41 public: 42 DataBlock() 43 { 44 alloc(); 45 } |
49 | 46 |
50 // Destructor 51 ~DataBlock() { 52 if(m_alloc) { 53 delete [] m_data; | 47 DataBlock(const DataBlock &cp) 48 { 49 m_data = new uint8[RubySystem::getBlockSizeBytes()]; 50 memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes()); 51 m_alloc = true; |
54 } | 52 } |
55 } | |
56 | 53 |
57 DataBlock& operator=(const DataBlock& obj); | 54 ~DataBlock() 55 { 56 if (m_alloc) 57 delete [] m_data; 58 } |
58 | 59 |
59 // Public Methods 60 void assign(uint8* data); | 60 DataBlock& operator=(const DataBlock& obj); |
61 | 61 |
62 void clear(); 63 uint8 getByte(int whichByte) const; 64 const uint8* getData(int offset, int len) const; 65 void setByte(int whichByte, uint8 data); 66 void setData(uint8* data, int offset, int len); 67 void copyPartial(const DataBlock & dblk, int offset, int len); 68 bool equal(const DataBlock& obj) const; 69 void print(std::ostream& out) const; | 62 void assign(uint8* data); |
70 | 63 |
71private: 72 void alloc(); 73 // Data Members (m_ prefix) 74 uint8* m_data; 75 bool m_alloc; | 64 void clear(); 65 uint8 getByte(int whichByte) const; 66 const uint8* getData(int offset, int len) const; 67 void setByte(int whichByte, uint8 data); 68 void setData(uint8* data, int offset, int len); 69 void copyPartial(const DataBlock & dblk, int offset, int len); 70 bool equal(const DataBlock& obj) const; 71 void print(std::ostream& out) const; 72 73 private: 74 void alloc(); 75 uint8* m_data; 76 bool m_alloc; |
76}; 77 | 77}; 78 |
78// Output operator declaration 79std::ostream& operator<<(std::ostream& out, const DataBlock& obj); 80 81bool operator==(const DataBlock& obj1, const DataBlock& obj2); 82 83// inline functions for speed 84 85inline 86void DataBlock::assign(uint8* data) | 79inline void 80DataBlock::assign(uint8* data) |
87{ | 81{ |
88 if (m_alloc) { 89 delete [] m_data; 90 } 91 m_data = data; 92 m_alloc = false; | 82 if (m_alloc) { 83 delete [] m_data; 84 } 85 m_data = data; 86 m_alloc = false; |
93} 94 | 87} 88 |
95inline 96void DataBlock::alloc() | 89inline void 90DataBlock::alloc() |
97{ | 91{ |
98 m_data = new uint8[RubySystem::getBlockSizeBytes()]; 99 m_alloc = true; 100 clear(); | 92 m_data = new uint8[RubySystem::getBlockSizeBytes()]; 93 m_alloc = true; 94 clear(); |
101} 102 | 95} 96 |
103inline 104void DataBlock::clear() | 97inline void 98DataBlock::clear() |
105{ | 99{ |
106 memset(m_data, 0, RubySystem::getBlockSizeBytes()); | 100 memset(m_data, 0, RubySystem::getBlockSizeBytes()); |
107} 108 | 101} 102 |
109inline 110bool DataBlock::equal(const DataBlock& obj) const | 103inline bool 104DataBlock::equal(const DataBlock& obj) const |
111{ | 105{ |
112 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes()); | 106 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes()); |
113} 114 | 107} 108 |
115inline 116void DataBlock::print(std::ostream& out) const | 109inline void 110DataBlock::print(std::ostream& out) const |
117{ | 111{ |
118 using namespace std; | 112 using namespace std; |
119 | 113 |
120 int size = RubySystem::getBlockSizeBytes(); 121 out << "[ "; 122 for (int i = 0; i < size; i++) { 123 out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " "; 124 out << setfill(' '); 125 } 126 out << dec << "]" << flush; | 114 int size = RubySystem::getBlockSizeBytes(); 115 out << "[ "; 116 for (int i = 0; i < size; i++) { 117 out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " "; 118 out << setfill(' '); 119 } 120 out << dec << "]" << flush; |
127} 128 | 121} 122 |
129inline 130uint8 DataBlock::getByte(int whichByte) const | 123inline uint8 124DataBlock::getByte(int whichByte) const |
131{ | 125{ |
132 return m_data[whichByte]; | 126 return m_data[whichByte]; |
133} 134 | 127} 128 |
135inline 136const uint8* DataBlock::getData(int offset, int len) const | 129inline const uint8* 130DataBlock::getData(int offset, int len) const |
137{ | 131{ |
138 assert(offset + len <= RubySystem::getBlockSizeBytes()); 139 return &m_data[offset]; | 132 assert(offset + len <= RubySystem::getBlockSizeBytes()); 133 return &m_data[offset]; |
140} 141 | 134} 135 |
142inline 143void DataBlock::setByte(int whichByte, uint8 data) | 136inline void 137DataBlock::setByte(int whichByte, uint8 data) |
144{ 145 m_data[whichByte] = data; 146} 147 | 138{ 139 m_data[whichByte] = data; 140} 141 |
148inline 149void DataBlock::setData(uint8* data, int offset, int len) | 142inline void 143DataBlock::setData(uint8* data, int offset, int len) |
150{ | 144{ |
151 assert(offset + len <= RubySystem::getBlockSizeBytes()); 152 memcpy(&m_data[offset], data, len); | 145 assert(offset + len <= RubySystem::getBlockSizeBytes()); 146 memcpy(&m_data[offset], data, len); |
153} 154 | 147} 148 |
155inline 156void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len) | 149inline void 150DataBlock::copyPartial(const DataBlock & dblk, int offset, int len) |
157{ | 151{ |
158 setData(&dblk.m_data[offset], offset, len); | 152 setData(&dblk.m_data[offset], offset, len); |
159} 160 | 153} 154 |
161// ******************* Definitions ******************* 162 163// Output operator definition 164extern inline 165std::ostream& operator<<(std::ostream& out, const DataBlock& obj) | 155inline std::ostream& 156operator<<(std::ostream& out, const DataBlock& obj) |
166{ | 157{ |
167 obj.print(out); 168 out << std::flush; 169 return out; | 158 obj.print(out); 159 out << std::flush; 160 return out; |
170} 171 | 161} 162 |
172extern inline 173bool operator==(const DataBlock& obj1,const DataBlock& obj2) | 163inline bool 164operator==(const DataBlock& obj1,const DataBlock& obj2) |
174{ | 165{ |
175 return (obj1.equal(obj2)); | 166 return obj1.equal(obj2); |
176} 177 | 167} 168 |
178#endif //DATABLOCK_H | 169#endif // __MEM_RUBY_COMMON_DATABLOCK_HH__ |