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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* 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.
*/
#ifndef __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
#define __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
#include "mem/protocol/Directory_Entry.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/system/MemoryVector.hh"
#include "mem/ruby/system/SparseMemory.hh"
#include "params/RubyDirectoryMemory.hh"
#include "sim/sim_object.hh"
class DirectoryMemory : public SimObject
{
public:
typedef RubyDirectoryMemoryParams Params;
DirectoryMemory(const Params *p);
~DirectoryMemory();
void init();
uint64 mapAddressToLocalIdx(PhysAddress address);
static uint64 mapAddressToDirectoryVersion(PhysAddress address);
bool isSparseImplementation() { return m_use_map; }
uint64 getSize() { return m_size_bytes; }
void printConfig(ostream& out) const;
static void printGlobalConfig(ostream & out);
bool isPresent(PhysAddress address);
Directory_Entry& lookup(PhysAddress address);
void invalidateBlock(PhysAddress address);
void print(ostream& out) const;
void printStats(ostream& out) const;
private:
// Private copy constructor and assignment operator
DirectoryMemory(const DirectoryMemory& obj);
DirectoryMemory& operator=(const DirectoryMemory& obj);
private:
const string m_name;
Directory_Entry **m_entries;
// int m_size; // # of memory module blocks this directory is
// responsible for
uint64 m_size_bytes;
uint64 m_size_bits;
uint64 m_num_entries;
int m_version;
static int m_num_directories;
static int m_num_directories_bits;
static uint64_t m_total_size_bytes;
static int m_numa_high_bit;
MemoryVector* m_ram;
SparseMemory* m_sparseMemory;
bool m_use_map;
int m_map_levels;
};
inline ostream&
operator<<(ostream& out, const DirectoryMemory& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif // __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__
|
