sim_object.cc revision 9983:2cce74fe359e 
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * Copyright (c) 2010 Advanced Micro Devices, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Steve Reinhardt
30 *          Nathan Binkert
31 */
32
33#include <cassert>
34
35#include "base/callback.hh"
36#include "base/inifile.hh"
37#include "base/match.hh"
38#include "base/misc.hh"
39#include "base/trace.hh"
40#include "base/types.hh"
41#include "debug/Checkpoint.hh"
42#include "sim/sim_object.hh"
43#include "sim/stats.hh"
44
45using namespace std;
46
47
48////////////////////////////////////////////////////////////////////////
49//
50// SimObject member definitions
51//
52////////////////////////////////////////////////////////////////////////
53
54//
55// static list of all SimObjects, used for initialization etc.
56//
57SimObject::SimObjectList SimObject::simObjectList;
58
59//
60// SimObject constructor: used to maintain static simObjectList
61//
62SimObject::SimObject(const Params *p)
63    : EventManager(getEventQueue(p->eventq_index)), _params(p)
64{
65#ifdef DEBUG
66    doDebugBreak = false;
67#endif
68
69    simObjectList.push_back(this);
70}
71
72void
73SimObject::init()
74{
75}
76
77void
78SimObject::loadState(Checkpoint *cp)
79{
80    if (cp->sectionExists(name())) {
81        DPRINTF(Checkpoint, "unserializing\n");
82        unserialize(cp, name());
83    } else {
84        DPRINTF(Checkpoint, "no checkpoint section found\n");
85    }
86}
87
88void
89SimObject::initState()
90{
91}
92
93void
94SimObject::startup()
95{
96}
97
98//
99// no default statistics, so nothing to do in base implementation
100//
101void
102SimObject::regStats()
103{
104}
105
106void
107SimObject::resetStats()
108{
109}
110
111//
112// static function: serialize all SimObjects.
113//
114void
115SimObject::serializeAll(std::ostream &os)
116{
117    SimObjectList::reverse_iterator ri = simObjectList.rbegin();
118    SimObjectList::reverse_iterator rend = simObjectList.rend();
119
120    for (; ri != rend; ++ri) {
121        SimObject *obj = *ri;
122        obj->nameOut(os);
123        obj->serialize(os);
124   }
125}
126
127
128#ifdef DEBUG
129//
130// static function: flag which objects should have the debugger break
131//
132void
133SimObject::debugObjectBreak(const string &objs)
134{
135    SimObjectList::const_iterator i = simObjectList.begin();
136    SimObjectList::const_iterator end = simObjectList.end();
137
138    ObjectMatch match(objs);
139    for (; i != end; ++i) {
140        SimObject *obj = *i;
141        obj->doDebugBreak = match.match(obj->name());
142   }
143}
144
145void
146debugObjectBreak(const char *objs)
147{
148    SimObject::debugObjectBreak(string(objs));
149}
150#endif
151
152unsigned int
153SimObject::drain(DrainManager *drain_manager)
154{
155    setDrainState(Drained);
156    return 0;
157}
158
159
160SimObject *
161SimObject::find(const char *name)
162{
163    SimObjectList::const_iterator i = simObjectList.begin();
164    SimObjectList::const_iterator end = simObjectList.end();
165
166    for (; i != end; ++i) {
167        SimObject *obj = *i;
168        if (obj->name() == name)
169            return obj;
170    }
171
172    return NULL;
173}
174