sim_object.cc revision 12334:e0ab29a34764 
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 "sim/sim_object.hh"
34
35#include "base/logging.hh"
36#include "base/match.hh"
37#include "base/trace.hh"
38#include "debug/Checkpoint.hh"
39#include "sim/probe/probe.hh"
40
41using namespace std;
42
43
44////////////////////////////////////////////////////////////////////////
45//
46// SimObject member definitions
47//
48////////////////////////////////////////////////////////////////////////
49
50//
51// static list of all SimObjects, used for initialization etc.
52//
53SimObject::SimObjectList SimObject::simObjectList;
54
55//
56// SimObject constructor: used to maintain static simObjectList
57//
58SimObject::SimObject(const Params *p)
59    : EventManager(getEventQueue(p->eventq_index)), _params(p)
60{
61#ifdef DEBUG
62    doDebugBreak = false;
63#endif
64    simObjectList.push_back(this);
65    probeManager = new ProbeManager(this);
66}
67
68SimObject::~SimObject()
69{
70    delete probeManager;
71}
72
73void
74SimObject::init()
75{
76}
77
78void
79SimObject::loadState(CheckpointIn &cp)
80{
81    if (cp.sectionExists(name())) {
82        DPRINTF(Checkpoint, "unserializing\n");
83        // This works despite name() returning a fully qualified name
84        // since we are at the top level.
85        unserializeSection(cp, name());
86    } else {
87        DPRINTF(Checkpoint, "no checkpoint section found\n");
88    }
89}
90
91void
92SimObject::initState()
93{
94}
95
96void
97SimObject::startup()
98{
99}
100
101//
102// no default statistics, so nothing to do in base implementation
103//
104void
105SimObject::regStats()
106{
107}
108
109void
110SimObject::resetStats()
111{
112}
113
114/**
115 * No probe points by default, so do nothing in base.
116 */
117void
118SimObject::regProbePoints()
119{
120}
121
122/**
123 * No probe listeners by default, so do nothing in base.
124 */
125void
126SimObject::regProbeListeners()
127{
128}
129
130ProbeManager *
131SimObject::getProbeManager()
132{
133    return probeManager;
134}
135
136//
137// static function: serialize all SimObjects.
138//
139void
140SimObject::serializeAll(CheckpointOut &cp)
141{
142    SimObjectList::reverse_iterator ri = simObjectList.rbegin();
143    SimObjectList::reverse_iterator rend = simObjectList.rend();
144
145    for (; ri != rend; ++ri) {
146        SimObject *obj = *ri;
147        // This works despite name() returning a fully qualified name
148        // since we are at the top level.
149        obj->serializeSection(cp, obj->name());
150   }
151}
152
153
154#ifdef DEBUG
155//
156// static function: flag which objects should have the debugger break
157//
158void
159SimObject::debugObjectBreak(const string &objs)
160{
161    SimObjectList::const_iterator i = simObjectList.begin();
162    SimObjectList::const_iterator end = simObjectList.end();
163
164    ObjectMatch match(objs);
165    for (; i != end; ++i) {
166        SimObject *obj = *i;
167        obj->doDebugBreak = match.match(obj->name());
168   }
169}
170
171void
172debugObjectBreak(const char *objs)
173{
174    SimObject::debugObjectBreak(string(objs));
175}
176#endif
177
178SimObject *
179SimObject::find(const char *name)
180{
181    SimObjectList::const_iterator i = simObjectList.begin();
182    SimObjectList::const_iterator end = simObjectList.end();
183
184    for (; i != end; ++i) {
185        SimObject *obj = *i;
186        if (obj->name() == name)
187            return obj;
188    }
189
190    return NULL;
191}
192