DataBlock.hh (6971:12cfde8f819b) DataBlock.hh (7002:48a19d52d939)
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;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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
30#ifndef DATABLOCK_H
31#define DATABLOCK_H
32
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;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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
30#ifndef DATABLOCK_H
31#define DATABLOCK_H
32
33#include <iomanip>
34#include <iostream>
35
33#include "mem/ruby/common/Global.hh"
34#include "mem/ruby/system/System.hh"
35#include "mem/gems_common/Vector.hh"
36
37class DataBlock {
38 public:
39 // Constructors
40 DataBlock() {alloc();}
41 DataBlock(const DataBlock & cp) {
42 m_data = new uint8[RubySystem::getBlockSizeBytes()];
43 memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes());
44 m_alloc = true;
45 }
46
47 // Destructor
48 ~DataBlock() {
49 if(m_alloc) {
50 delete [] m_data;
51 }
52 }
53
54 DataBlock& operator=(const DataBlock& obj);
55
56 // Public Methods
57 void assign(uint8* data);
58
59 void clear();
60 uint8 getByte(int whichByte) const;
61 const uint8* getData(int offset, int len) const;
62 void setByte(int whichByte, uint8 data);
63 void setData(uint8* data, int offset, int len);
64 void copyPartial(const DataBlock & dblk, int offset, int len);
65 bool equal(const DataBlock& obj) const;
36#include "mem/ruby/common/Global.hh"
37#include "mem/ruby/system/System.hh"
38#include "mem/gems_common/Vector.hh"
39
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 }
49
50 // Destructor
51 ~DataBlock() {
52 if(m_alloc) {
53 delete [] m_data;
54 }
55 }
56
57 DataBlock& operator=(const DataBlock& obj);
58
59 // Public Methods
60 void assign(uint8* data);
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;
66 void print(ostream& out) const;
69 void print(std::ostream& out) const;
67
68private:
69 void alloc();
70 // Data Members (m_ prefix)
71 uint8* m_data;
72 bool m_alloc;
73};
74
75// Output operator declaration
70
71private:
72 void alloc();
73 // Data Members (m_ prefix)
74 uint8* m_data;
75 bool m_alloc;
76};
77
78// Output operator declaration
76ostream& operator<<(ostream& out, const DataBlock& obj);
79std::ostream& operator<<(std::ostream& out, const DataBlock& obj);
77
78bool operator==(const DataBlock& obj1, const DataBlock& obj2);
79
80// inline functions for speed
81
82inline
83void DataBlock::assign(uint8* data)
84{
85 if (m_alloc) {
86 delete [] m_data;
87 }
88 m_data = data;
89 m_alloc = false;
90}
91
92inline
93void DataBlock::alloc()
94{
95 m_data = new uint8[RubySystem::getBlockSizeBytes()];
96 m_alloc = true;
97 clear();
98}
99
100inline
101void DataBlock::clear()
102{
103 memset(m_data, 0, RubySystem::getBlockSizeBytes());
104}
105
106inline
107bool DataBlock::equal(const DataBlock& obj) const
108{
109 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
110}
111
112inline
80
81bool operator==(const DataBlock& obj1, const DataBlock& obj2);
82
83// inline functions for speed
84
85inline
86void DataBlock::assign(uint8* data)
87{
88 if (m_alloc) {
89 delete [] m_data;
90 }
91 m_data = data;
92 m_alloc = false;
93}
94
95inline
96void DataBlock::alloc()
97{
98 m_data = new uint8[RubySystem::getBlockSizeBytes()];
99 m_alloc = true;
100 clear();
101}
102
103inline
104void DataBlock::clear()
105{
106 memset(m_data, 0, RubySystem::getBlockSizeBytes());
107}
108
109inline
110bool DataBlock::equal(const DataBlock& obj) const
111{
112 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
113}
114
115inline
113void DataBlock::print(ostream& out) const
116void DataBlock::print(std::ostream& out) const
114{
117{
118 using namespace std;
119
115 int size = RubySystem::getBlockSizeBytes();
116 out << "[ ";
117 for (int i = 0; i < size; i++) {
118 out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " ";
119 out << setfill(' ');
120 }
121 out << dec << "]" << flush;
122}
123
124inline
125uint8 DataBlock::getByte(int whichByte) const
126{
127 return m_data[whichByte];
128}
129
130inline
131const uint8* DataBlock::getData(int offset, int len) const
132{
133 assert(offset + len <= RubySystem::getBlockSizeBytes());
134 return &m_data[offset];
135}
136
137inline
138void DataBlock::setByte(int whichByte, uint8 data)
139{
140 m_data[whichByte] = data;
141}
142
143inline
144void DataBlock::setData(uint8* data, int offset, int len)
145{
146 assert(offset + len <= RubySystem::getBlockSizeBytes());
147 memcpy(&m_data[offset], data, len);
148}
149
150inline
151void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
152{
153 setData(&dblk.m_data[offset], offset, len);
154}
155
156// ******************* Definitions *******************
157
158// Output operator definition
159extern inline
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;
127}
128
129inline
130uint8 DataBlock::getByte(int whichByte) const
131{
132 return m_data[whichByte];
133}
134
135inline
136const uint8* DataBlock::getData(int offset, int len) const
137{
138 assert(offset + len <= RubySystem::getBlockSizeBytes());
139 return &m_data[offset];
140}
141
142inline
143void DataBlock::setByte(int whichByte, uint8 data)
144{
145 m_data[whichByte] = data;
146}
147
148inline
149void DataBlock::setData(uint8* data, int offset, int len)
150{
151 assert(offset + len <= RubySystem::getBlockSizeBytes());
152 memcpy(&m_data[offset], data, len);
153}
154
155inline
156void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
157{
158 setData(&dblk.m_data[offset], offset, len);
159}
160
161// ******************* Definitions *******************
162
163// Output operator definition
164extern inline
160ostream& operator<<(ostream& out, const DataBlock& obj)
165std::ostream& operator<<(std::ostream& out, const DataBlock& obj)
161{
162 obj.print(out);
166{
167 obj.print(out);
163 out << flush;
168 out << std::flush;
164 return out;
165}
166
167extern inline
168bool operator==(const DataBlock& obj1,const DataBlock& obj2)
169{
170 return (obj1.equal(obj2));
171}
172
173#endif //DATABLOCK_H
169 return out;
170}
171
172extern inline
173bool operator==(const DataBlock& obj1,const DataBlock& obj2)
174{
175 return (obj1.equal(obj2));
176}
177
178#endif //DATABLOCK_H