SubBlock.hh revision 6372:f1a41ea3bbab 
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/*
31 * $Id$
32 *
33 */
34
35#ifndef SubBlock_H
36#define SubBlock_H
37
38#include "mem/ruby/common/Global.hh"
39#include "mem/ruby/common/Address.hh"
40#include "mem/ruby/common/DataBlock.hh"
41#include "mem/gems_common/Vector.hh"
42
43class SubBlock {
44public:
45  // Constructors
46  SubBlock() { }
47  SubBlock(const Address& addr, int size);
48
49  // Destructor
50  ~SubBlock() { }
51
52  // Public Methods
53  const Address& getAddress() const { return m_address; }
54  void setAddress(const Address& addr) { m_address = addr; }
55
56  int getSize() const { return m_data.size(); }
57  void setSize(int size) {  m_data.setSize(size); }
58  uint8 getByte(int offset) const { return m_data[offset]; }
59  void setByte(int offset, uint8 data) { m_data[offset] = data; }
60
61  // Shorthands
62  uint8 readByte() const { return getByte(0); }
63  void writeByte(uint8 data) { setByte(0, data); }
64
65  // Merging to and from DataBlocks - We only need to worry about
66  // updates when we are using DataBlocks
67  void mergeTo(DataBlock& data) const { internalMergeTo(data); }
68  void mergeFrom(const DataBlock& data) { internalMergeFrom(data); }
69
70  void print(ostream& out) const;
71private:
72
73  void internalMergeTo(DataBlock& data) const;
74  void internalMergeFrom(const DataBlock& data);
75
76  // Data Members (m_ prefix)
77  Address m_address;
78  Vector<uint> m_data;
79};
80
81// Output operator declaration
82ostream& operator<<(ostream& out, const SubBlock& obj);
83
84// ******************* Definitions *******************
85
86// Output operator definition
87extern inline
88ostream& operator<<(ostream& out, const SubBlock& obj)
89{
90  obj.print(out);
91  out << flush;
92  return out;
93}
94
95#endif //SubBlock_H
96