sim_object.cc revision 10023:91faf6649de0 
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/probe/probe.hh"
43#include "sim/sim_object.hh"
44#include "sim/stats.hh"
45
46using namespace std;
47
48
49////////////////////////////////////////////////////////////////////////
50//
51// SimObject member definitions
52//
53////////////////////////////////////////////////////////////////////////
54
55//
56// static list of all SimObjects, used for initialization etc.
57//
58SimObject::SimObjectList SimObject::simObjectList;
59
60//
61// SimObject constructor: used to maintain static simObjectList
62//
63SimObject::SimObject(const Params *p)
64    : EventManager(getEventQueue(p->eventq_index)), _params(p)
65{
66#ifdef DEBUG
67    doDebugBreak = false;
68#endif
69    simObjectList.push_back(this);
70    probeManager = new ProbeManager(this);
71}
72
73void
74SimObject::init()
75{
76}
77
78void
79SimObject::loadState(Checkpoint *cp)
80{
81    if (cp->sectionExists(name())) {
82        DPRINTF(Checkpoint, "unserializing\n");
83        unserialize(cp, name());
84    } else {
85        DPRINTF(Checkpoint, "no checkpoint section found\n");
86    }
87}
88
89void
90SimObject::initState()
91{
92}
93
94void
95SimObject::startup()
96{
97}
98
99//
100// no default statistics, so nothing to do in base implementation
101//
102void
103SimObject::regStats()
104{
105}
106
107void
108SimObject::resetStats()
109{
110}
111
112/**
113 * No probe points by default, so do nothing in base.
114 */
115void
116SimObject::regProbePoints()
117{
118}
119
120/**
121 * No probe listeners by default, so do nothing in base.
122 */
123void
124SimObject::regProbeListeners()
125{
126}
127
128ProbeManager *
129SimObject::getProbeManager()
130{
131    return probeManager;
132}
133
134//
135// static function: serialize all SimObjects.
136//
137void
138SimObject::serializeAll(std::ostream &os)
139{
140    SimObjectList::reverse_iterator ri = simObjectList.rbegin();
141    SimObjectList::reverse_iterator rend = simObjectList.rend();
142
143    for (; ri != rend; ++ri) {
144        SimObject *obj = *ri;
145        obj->nameOut(os);
146        obj->serialize(os);
147   }
148}
149
150
151#ifdef DEBUG
152//
153// static function: flag which objects should have the debugger break
154//
155void
156SimObject::debugObjectBreak(const string &objs)
157{
158    SimObjectList::const_iterator i = simObjectList.begin();
159    SimObjectList::const_iterator end = simObjectList.end();
160
161    ObjectMatch match(objs);
162    for (; i != end; ++i) {
163        SimObject *obj = *i;
164        obj->doDebugBreak = match.match(obj->name());
165   }
166}
167
168void
169debugObjectBreak(const char *objs)
170{
171    SimObject::debugObjectBreak(string(objs));
172}
173#endif
174
175unsigned int
176SimObject::drain(DrainManager *drain_manager)
177{
178    setDrainState(Drained);
179    return 0;
180}
181
182
183SimObject *
184SimObject::find(const char *name)
185{
186    SimObjectList::const_iterator i = simObjectList.begin();
187    SimObjectList::const_iterator end = simObjectList.end();
188
189    for (; i != end; ++i) {
190        SimObject *obj = *i;
191        if (obj->name() == name)
192            return obj;
193    }
194
195    return NULL;
196}
197