3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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33 #include "mem/ruby/common/Global.hh"
34 #include "mem/ruby/system/System.hh"
35 #include "mem/gems_common/Vector.hh"
40 DataBlock() {alloc();}
41 DataBlock(const DataBlock & cp) {
42 m_data = new uint8[RubySystem::getBlockSizeBytes()];
43 memcpy(m_data, cp.m_data, RubySystem::getBlockSizeBytes());
48 ~DataBlock() { if(m_alloc) delete [] m_data;}
50 DataBlock& operator=(const DataBlock& obj);
53 void assign(uint8* data);
56 uint8 getByte(int whichByte) const;
57 const uint8* getData(int offset, int len) const;
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);
61 bool equal(const DataBlock& obj) const;
62 void print(ostream& out) const;
66 // Data Members (m_ prefix)
71 // Output operator declaration
72 ostream& operator<<(ostream& out, const DataBlock& obj);
74 bool operator==(const DataBlock& obj1, const DataBlock& obj2);
76 // inline functions for speed
79 void DataBlock::assign(uint8* data)
87 void DataBlock::alloc()
89 m_data = new uint8[RubySystem::getBlockSizeBytes()];
95 void DataBlock::clear()
97 memset(m_data, 0, RubySystem::getBlockSizeBytes());
101 bool DataBlock::equal(const DataBlock& obj) const
103 return !memcmp(m_data, obj.m_data, RubySystem::getBlockSizeBytes());
107 void DataBlock::print(ostream& out) const
109 int size = RubySystem::getBlockSizeBytes();
111 for (int i = 0; i < size; i+=4) {
112 out << hex << *((uint32*)(&(m_data[i]))) << " ";
114 out << dec << "]" << flush;
118 uint8 DataBlock::getByte(int whichByte) const
120 return m_data[whichByte];
124 const uint8* DataBlock::getData(int offset, int len) const
126 assert(offset + len <= RubySystem::getBlockSizeBytes());
127 return &m_data[offset];
131 void DataBlock::setByte(int whichByte, uint8 data)
133 m_data[whichByte] = data;
137 void DataBlock::setData(uint8* data, int offset, int len)
139 assert(offset + len <= RubySystem::getBlockSizeBytes());
140 memcpy(&m_data[offset], data, len);
144 void DataBlock::copyPartial(const DataBlock & dblk, int offset, int len)
146 setData(&dblk.m_data[offset], offset, len);
149 // ******************* Definitions *******************
151 // Output operator definition
153 ostream& operator<<(ostream& out, const DataBlock& obj)
161 bool operator==(const DataBlock& obj1,const DataBlock& obj2)
163 return (obj1.equal(obj2));