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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright (c) 2001-2005 The Regents of The University of Michigan
* 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.
*
* Authors: Steve Reinhardt
* Nathan Binkert
*/
/* @file
* User Console Definitions
*/
#ifndef __SIM_OBJECT_HH__
#define __SIM_OBJECT_HH__
#include <map>
#include <list>
#include <vector>
#include <iostream>
#include "sim/serialize.hh"
#include "sim/startup.hh"
class BaseCPU;
class Event;
/*
* Abstract superclass for simulation objects. Represents things that
* correspond to physical components and can be specified via the
* config file (CPUs, caches, etc.).
*/
class SimObject : public Serializable, protected StartupCallback
{
public:
struct Params {
std::string name;
};
enum State {
Atomic,
Timing,
Draining,
DrainedAtomic,
DrainedTiming
};
protected:
Params *_params;
State state;
void changeState(State new_state) { state = new_state; }
public:
const Params *params() const { return _params; }
State getState() { return state; }
private:
typedef std::vector<SimObject *> SimObjectList;
// list of all instantiated simulation objects
static SimObjectList simObjectList;
public:
SimObject(Params *_params);
SimObject(const std::string &_name);
virtual ~SimObject() {}
virtual const std::string name() const { return params()->name; }
// initialization pass of all objects.
// Gets invoked after construction, before unserialize.
virtual void init();
virtual void connect();
static void initAll();
static void connectAll();
// register statistics for this object
virtual void regStats();
virtual void regFormulas();
virtual void resetStats();
// static: call reg_stats on all SimObjects
static void regAllStats();
// static: call resetStats on all SimObjects
static void resetAllStats();
// static: call nameOut() & serialize() on all SimObjects
static void serializeAll(std::ostream &);
static void unserializeAll(Checkpoint *cp);
// Methods to drain objects in order to take checkpoints
// Or switch from timing -> atomic memory model
// Quiesce returns true if the SimObject cannot quiesce immediately.
virtual bool drain(Event *drain_event);
virtual void resume();
virtual void setMemoryMode(State new_mode);
virtual void switchOut();
virtual void takeOverFrom(BaseCPU *cpu);
#ifdef DEBUG
public:
bool doDebugBreak;
static void debugObjectBreak(const std::string &objs);
#endif
public:
bool doRecordEvent;
void recordEvent(const std::string &stat);
};
#endif // __SIM_OBJECT_HH__
|
