DataBlock.hh (7039:bc0b6ea676b5) DataBlock.hh (7454:3a3e8e8cce1b)
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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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
29#ifndef __MEM_RUBY_COMMON_DATABLOCK_HH__
30#define __MEM_RUBY_COMMON_DATABLOCK_HH__
31
32#include <iomanip>
33#include <iostream>
34
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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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
29#ifndef __MEM_RUBY_COMMON_DATABLOCK_HH__
30#define __MEM_RUBY_COMMON_DATABLOCK_HH__
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"
38
39class DataBlock
40{
41 public:
42 DataBlock()
43 {
44 alloc();
45 }
46
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;
52 }
53
54 ~DataBlock()
55 {
56 if (m_alloc)
57 delete [] m_data;
58 }
59
60 DataBlock& operator=(const DataBlock& obj);
61
62 void assign(uint8* data);
63
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;
77};
78
79inline void
80DataBlock::assign(uint8* data)
81{
82 if (m_alloc) {
83 delete [] m_data;
84 }
85 m_data = data;
86 m_alloc = false;
87}
88
89inline void
90DataBlock::alloc()
91{
92 m_data = new uint8[RubySystem::getBlockSizeBytes()];
93 m_alloc = true;
94 clear();
95}
96
97inline void
98DataBlock::clear()
99{
100 memset(m_data, 0, RubySystem::getBlockSizeBytes());
101}
102
103inline bool
104DataBlock::equal(const DataBlock& obj) const
105{
106 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
107}
108
109inline void
110DataBlock::print(std::ostream& out) const
111{
112 using namespace std;
113
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;
121}
122
123inline uint8
124DataBlock::getByte(int whichByte) const
125{
126 return m_data[whichByte];
127}
128
129inline const uint8*
130DataBlock::getData(int offset, int len) const
131{
132 assert(offset + len <= RubySystem::getBlockSizeBytes());
133 return &m_data[offset];
134}
135
136inline void
137DataBlock::setByte(int whichByte, uint8 data)
138{
139 m_data[whichByte] = data;
140}
141
142inline void
143DataBlock::setData(uint8* data, int offset, int len)
144{
145 assert(offset + len <= RubySystem::getBlockSizeBytes());
146 memcpy(&m_data[offset], data, len);
147}
148
149inline void
150DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
151{
152 setData(&dblk.m_data[offset], offset, len);
153}
154
155inline std::ostream&
156operator<<(std::ostream& out, const DataBlock& obj)
157{
158 obj.print(out);
159 out << std::flush;
160 return out;
161}
162
163inline bool
164operator==(const DataBlock& obj1,const DataBlock& obj2)
165{
166 return obj1.equal(obj2);
167}
168
169#endif // __MEM_RUBY_COMMON_DATABLOCK_HH__
35#include "mem/ruby/common/Global.hh"
36#include "mem/ruby/system/System.hh"
37
38class DataBlock
39{
40 public:
41 DataBlock()
42 {
43 alloc();
44 }
45
46 DataBlock(const DataBlock &cp)
47 {
48 m_data = new uint8[RubySystem::getBlockSizeBytes()];
49 memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes());
50 m_alloc = true;
51 }
52
53 ~DataBlock()
54 {
55 if (m_alloc)
56 delete [] m_data;
57 }
58
59 DataBlock& operator=(const DataBlock& obj);
60
61 void assign(uint8* data);
62
63 void clear();
64 uint8 getByte(int whichByte) const;
65 const uint8* getData(int offset, int len) const;
66 void setByte(int whichByte, uint8 data);
67 void setData(uint8* data, int offset, int len);
68 void copyPartial(const DataBlock & dblk, int offset, int len);
69 bool equal(const DataBlock& obj) const;
70 void print(std::ostream& out) const;
71
72 private:
73 void alloc();
74 uint8* m_data;
75 bool m_alloc;
76};
77
78inline void
79DataBlock::assign(uint8* data)
80{
81 if (m_alloc) {
82 delete [] m_data;
83 }
84 m_data = data;
85 m_alloc = false;
86}
87
88inline void
89DataBlock::alloc()
90{
91 m_data = new uint8[RubySystem::getBlockSizeBytes()];
92 m_alloc = true;
93 clear();
94}
95
96inline void
97DataBlock::clear()
98{
99 memset(m_data, 0, RubySystem::getBlockSizeBytes());
100}
101
102inline bool
103DataBlock::equal(const DataBlock& obj) const
104{
105 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
106}
107
108inline void
109DataBlock::print(std::ostream& out) const
110{
111 using namespace std;
112
113 int size = RubySystem::getBlockSizeBytes();
114 out << "[ ";
115 for (int i = 0; i < size; i++) {
116 out << setw(2) << setfill('0') << hex << "0x" << (int)m_data[i] << " ";
117 out << setfill(' ');
118 }
119 out << dec << "]" << flush;
120}
121
122inline uint8
123DataBlock::getByte(int whichByte) const
124{
125 return m_data[whichByte];
126}
127
128inline const uint8*
129DataBlock::getData(int offset, int len) const
130{
131 assert(offset + len <= RubySystem::getBlockSizeBytes());
132 return &m_data[offset];
133}
134
135inline void
136DataBlock::setByte(int whichByte, uint8 data)
137{
138 m_data[whichByte] = data;
139}
140
141inline void
142DataBlock::setData(uint8* data, int offset, int len)
143{
144 assert(offset + len <= RubySystem::getBlockSizeBytes());
145 memcpy(&m_data[offset], data, len);
146}
147
148inline void
149DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
150{
151 setData(&dblk.m_data[offset], offset, len);
152}
153
154inline std::ostream&
155operator<<(std::ostream& out, const DataBlock& obj)
156{
157 obj.print(out);
158 out << std::flush;
159 return out;
160}
161
162inline bool
163operator==(const DataBlock& obj1,const DataBlock& obj2)
164{
165 return obj1.equal(obj2);
166}
167
168#endif // __MEM_RUBY_COMMON_DATABLOCK_HH__