DataBlock.hh (7002:48a19d52d939) DataBlock.hh (7039:bc0b6ea676b5)
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__