DataBlock.hh (6154:6bb54dcb940e) DataBlock.hh (6285:ce086eca1ede)
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

--- 17 unchanged lines hidden (view full) ---

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 "mem/ruby/common/Global.hh"
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

--- 17 unchanged lines hidden (view full) ---

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 "mem/ruby/common/Global.hh"
34#include "mem/ruby/config/RubyConfig.hh"
34#include "mem/ruby/system/System.hh"
35#include "mem/gems_common/Vector.hh"
36
37class DataBlock {
35#include "mem/gems_common/Vector.hh"
36
37class DataBlock {
38public:
38 public:
39 // Constructors
39 // Constructors
40 DataBlock();
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 }
41
42 // Destructor
46
47 // Destructor
43 ~DataBlock();
48 ~DataBlock() { if(m_alloc) delete [] m_data;}
44
49
50 DataBlock& operator=(const DataBlock& obj);
51
45 // Public Methods
52 // Public Methods
53 void assign(uint8* data);
54
46 void clear();
47 uint8 getByte(int whichByte) const;
55 void clear();
56 uint8 getByte(int whichByte) const;
57 const uint8* getData(int offset, int len) const;
48 void setByte(int whichByte, uint8 data);
58 void setByte(int whichByte, uint8 data);
59 void setData(uint8* data, int offset, int len);
60 void copyPartial(const DataBlock & dblk, int offset, int len);
49 bool equal(const DataBlock& obj) const;
50 void print(ostream& out) const;
51
52private:
61 bool equal(const DataBlock& obj) const;
62 void print(ostream& out) const;
63
64private:
53 // Private Methods
54
65 void alloc();
55 // Data Members (m_ prefix)
66 // Data Members (m_ prefix)
56 Vector<uint8> m_data;
67 uint8* m_data;
68 bool m_alloc;
57};
58
59// Output operator declaration
60ostream& operator<<(ostream& out, const DataBlock& obj);
61
62bool operator==(const DataBlock& obj1, const DataBlock& obj2);
63
69};
70
71// Output operator declaration
72ostream& operator<<(ostream& out, const DataBlock& obj);
73
74bool operator==(const DataBlock& obj1, const DataBlock& obj2);
75
76// inline functions for speed
64
77
78inline
79void DataBlock::assign(uint8* data)
80{
81 delete [] m_data;
82 m_data = data;
83 m_alloc = false;
84}
85
86inline
87void DataBlock::alloc()
88{
89 m_data = new uint8[RubySystem::getBlockSizeBytes()];
90 m_alloc = true;
91 clear();
92}
93
94inline
95void DataBlock::clear()
96{
97 memset(m_data, 0, RubySystem::getBlockSizeBytes());
98}
99
100inline
101bool DataBlock::equal(const DataBlock& obj) const
102{
103 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
104}
105
106inline
107void DataBlock::print(ostream& out) const
108{
109 int size = RubySystem::getBlockSizeBytes();
110 out << "[ ";
111 for (int i = 0; i < size; i+=4) {
112 out << hex << *((uint32*)(&(m_data[i]))) << " ";
113 }
114 out << dec << "]" << flush;
115}
116
117inline
118uint8 DataBlock::getByte(int whichByte) const
119{
120 return m_data[whichByte];
121}
122
123inline
124const uint8* DataBlock::getData(int offset, int len) const
125{
126 assert(offset + len <= RubySystem::getBlockSizeBytes());
127 return &m_data[offset];
128}
129
130inline
131void DataBlock::setByte(int whichByte, uint8 data)
132{
133 m_data[whichByte] = data;
134}
135
136inline
137void DataBlock::setData(uint8* data, int offset, int len)
138{
139 assert(offset + len <= RubySystem::getBlockSizeBytes());
140 memcpy(&m_data[offset], data, len);
141}
142
143inline
144void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
145{
146 setData(&dblk.m_data[offset], offset, len);
147}
148
65// ******************* Definitions *******************
66
67// Output operator definition
68extern inline
69ostream& operator<<(ostream& out, const DataBlock& obj)
70{
71 obj.print(out);
72 out << flush;
73 return out;
74}
75
76extern inline
77bool operator==(const DataBlock& obj1,const DataBlock& obj2)
78{
79 return (obj1.equal(obj2));
80}
81
82#endif //DATABLOCK_H
149// ******************* Definitions *******************
150
151// Output operator definition
152extern inline
153ostream& operator<<(ostream& out, const DataBlock& obj)
154{
155 obj.print(out);
156 out << flush;
157 return out;
158}
159
160extern inline
161bool operator==(const DataBlock& obj1,const DataBlock& obj2)
162{
163 return (obj1.equal(obj2));
164}
165
166#endif //DATABLOCK_H