sim_object.hh (4076:e1c56b6b3072) sim_object.hh (4762:c94e103c83ad)
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
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
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32/* @file
33 * User Console Definitions
34 */
35
36#ifndef __SIM_OBJECT_HH__
37#define __SIM_OBJECT_HH__
38
39#include <map>
40#include <list>
41#include <vector>
42#include <iostream>
43
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
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
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32/* @file
33 * User Console Definitions
34 */
35
36#ifndef __SIM_OBJECT_HH__
37#define __SIM_OBJECT_HH__
38
39#include <map>
40#include <list>
41#include <vector>
42#include <iostream>
43
44#include "params/SimObject.hh"
44#include "sim/serialize.hh"
45#include "sim/startup.hh"
46
47class BaseCPU;
48class Event;
49
50/*
51 * Abstract superclass for simulation objects. Represents things that
52 * correspond to physical components and can be specified via the
53 * config file (CPUs, caches, etc.).
54 */
55class SimObject : public Serializable, protected StartupCallback
56{
57 public:
45#include "sim/serialize.hh"
46#include "sim/startup.hh"
47
48class BaseCPU;
49class Event;
50
51/*
52 * Abstract superclass for simulation objects. Represents things that
53 * correspond to physical components and can be specified via the
54 * config file (CPUs, caches, etc.).
55 */
56class SimObject : public Serializable, protected StartupCallback
57{
58 public:
58 struct Params {
59 std::string name;
60 };
61
62 enum State {
63 Running,
64 Draining,
65 Drained
66 };
67
59 enum State {
60 Running,
61 Draining,
62 Drained
63 };
64
68 enum MemoryMode {
69 Invalid=0,
70 Atomic,
71 Timing
72 };
73
74 private:
75 State state;
76
77 protected:
65 private:
66 State state;
67
68 protected:
78 Params *_params;
79
80 void changeState(State new_state) { state = new_state; }
81
82 public:
69 void changeState(State new_state) { state = new_state; }
70
71 public:
83 const Params *params() const { return _params; }
84
85 State getState() { return state; }
86
87 private:
88 typedef std::vector<SimObject *> SimObjectList;
89
90 // list of all instantiated simulation objects
91 static SimObjectList simObjectList;
92
72 State getState() { return state; }
73
74 private:
75 typedef std::vector<SimObject *> SimObjectList;
76
77 // list of all instantiated simulation objects
78 static SimObjectList simObjectList;
79
80 protected:
81 const SimObjectParams *_params;
82
93 public:
83 public:
94 SimObject(Params *_params);
84 typedef SimObjectParams Params;
85 const Params *params() const { return _params; }
86 SimObject(const Params *_params);
95 SimObject(const std::string &_name);
87 SimObject(const std::string &_name);
96
97 virtual ~SimObject() {}
98
99 virtual const std::string name() const { return params()->name; }
100
101 // initialization pass of all objects.
102 // Gets invoked after construction, before unserialize.
103 virtual void init();
104 static void initAll();
105
106 // register statistics for this object
107 virtual void regStats();
108 virtual void regFormulas();
109 virtual void resetStats();
110
111 // static: call reg_stats on all SimObjects
112 static void regAllStats();
113
114 // static: call resetStats on all SimObjects
115 static void resetAllStats();
116
117 // static: call nameOut() & serialize() on all SimObjects
118 static void serializeAll(std::ostream &);
119 static void unserializeAll(Checkpoint *cp);
120
121 // Methods to drain objects in order to take checkpoints
122 // Or switch from timing -> atomic memory model
123 // Drain returns 0 if the simobject can drain immediately or
124 // the number of times the drain_event's process function will be called
125 // before the object will be done draining. Normally this should be 1
126 virtual unsigned int drain(Event *drain_event);
127 virtual void resume();
128 virtual void setMemoryMode(State new_mode);
129 virtual void switchOut();
130 virtual void takeOverFrom(BaseCPU *cpu);
131
132#ifdef DEBUG
133 public:
134 bool doDebugBreak;
135 static void debugObjectBreak(const std::string &objs);
136#endif
137
138 public:
139 void recordEvent(const std::string &stat);
140};
141
142#endif // __SIM_OBJECT_HH__
88 virtual ~SimObject() {}
89
90 virtual const std::string name() const { return params()->name; }
91
92 // initialization pass of all objects.
93 // Gets invoked after construction, before unserialize.
94 virtual void init();
95 static void initAll();
96
97 // register statistics for this object
98 virtual void regStats();
99 virtual void regFormulas();
100 virtual void resetStats();
101
102 // static: call reg_stats on all SimObjects
103 static void regAllStats();
104
105 // static: call resetStats on all SimObjects
106 static void resetAllStats();
107
108 // static: call nameOut() & serialize() on all SimObjects
109 static void serializeAll(std::ostream &);
110 static void unserializeAll(Checkpoint *cp);
111
112 // Methods to drain objects in order to take checkpoints
113 // Or switch from timing -> atomic memory model
114 // Drain returns 0 if the simobject can drain immediately or
115 // the number of times the drain_event's process function will be called
116 // before the object will be done draining. Normally this should be 1
117 virtual unsigned int drain(Event *drain_event);
118 virtual void resume();
119 virtual void setMemoryMode(State new_mode);
120 virtual void switchOut();
121 virtual void takeOverFrom(BaseCPU *cpu);
122
123#ifdef DEBUG
124 public:
125 bool doDebugBreak;
126 static void debugObjectBreak(const std::string &objs);
127#endif
128
129 public:
130 void recordEvent(const std::string &stat);
131};
132
133#endif // __SIM_OBJECT_HH__