1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "mem/ruby/slicc_interface/AbstractCacheEntry.hh"
#include "base/trace.hh"
#include "debug/RubyCache.hh"
AbstractCacheEntry::AbstractCacheEntry()
{
m_Permission = AccessPermission_NotPresent;
m_Address = 0;
m_locked = -1;
}
AbstractCacheEntry::~AbstractCacheEntry()
{
}
void
AbstractCacheEntry::changePermission(AccessPermission new_perm)
{
AbstractEntry::changePermission(new_perm);
if ((new_perm == AccessPermission_Invalid) ||
(new_perm == AccessPermission_NotPresent)) {
m_locked = -1;
}
}
void
AbstractCacheEntry::setLocked(int context)
{
DPRINTF(RubyCache, "Setting Lock for addr: %#x to %d\n", m_Address, context);
m_locked = context;
}
void
AbstractCacheEntry::clearLocked()
{
DPRINTF(RubyCache, "Clear Lock for addr: %#x\n", m_Address);
m_locked = -1;
}
bool
AbstractCacheEntry::isLocked(int context) const
{
DPRINTF(RubyCache, "Testing Lock for addr: %#llx cur %d con %d\n",
m_Address, m_locked, context);
return m_locked == context;
}
|
