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SubBlock.cc
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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
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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,
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26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
30 
31 #include "base/stl_helpers.hh"
32 
33 using m5::stl_helpers::operator<<;
34 
36 {
37  m_address = addr;
38  resize(size);
39  for (int i = 0; i < size; i++) {
40  setByte(i, 0);
41  }
42 }
43 
44 void
46 {
47  int size = getSize();
48  assert(size > 0);
49  int offset = getOffset(m_address);
50  for (int i = 0; i < size; i++) {
51  this->setByte(i, data.getByte(offset + i));
52  }
53 }
54 
55 void
57 {
58  int size = getSize();
59  assert(size > 0);
60  int offset = getOffset(m_address);
61  for (int i = 0; i < size; i++) {
62  // This will detect crossing a cache line boundary
63  data.setByte(offset + i, this->getByte(i));
64  }
65 }
66 
67 void
68 SubBlock::print(std::ostream& out) const
69 {
70  out << "[" << m_address << ", " << getSize() << ", " << m_data << "]";
71 }
72 
73 
74 
Bitfield< 7 > i
Definition: miscregs.hh:1378
void internalMergeTo(DataBlock &data) const
Definition: SubBlock.cc:56
ip6_addr_t addr
Definition: inet.hh:335
void print(std::ostream &out) const
Definition: SubBlock.cc:68
SubBlock()
Definition: SubBlock.hh:41
Bitfield< 23, 0 > offset
Definition: types.hh:149
uint8_t getByte(int whichByte) const
Definition: DataBlock.hh:90
void setByte(int whichByte, uint8_t data)
Definition: DataBlock.hh:96
const char data[]
Definition: circlebuf.cc:43
int getSize() const
Definition: SubBlock.hh:48
Addr getOffset(Addr addr)
Definition: Address.cc:106
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
uint8_t getByte(int offset) const
Definition: SubBlock.hh:50
void setByte(int offset, uint8_t data)
Definition: SubBlock.hh:51
int size()
Definition: pagetable.hh:146
void resize(int size)
Definition: SubBlock.hh:49
void internalMergeFrom(const DataBlock &data)
Definition: SubBlock.cc:45
Addr m_address
Definition: SubBlock.hh:69
std::vector< uint8_t > m_data
Definition: SubBlock.hh:70

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