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diff --git a/src/sim/sim_object.cc b/src/sim/sim_object.cc
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+/*
+ * 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.
+ */
+
+#include <assert.h>
+
+#include "base/callback.hh"
+#include "base/inifile.hh"
+#include "base/match.hh"
+#include "base/misc.hh"
+#include "base/trace.hh"
+#include "base/stats/events.hh"
+#include "base/serializer.hh"
+#include "sim/configfile.hh"
+#include "sim/host.hh"
+#include "sim/sim_object.hh"
+#include "sim/stats.hh"
+#include "sim/param.hh"
+
+using namespace std;
+
+
+////////////////////////////////////////////////////////////////////////
+//
+// SimObject member definitions
+//
+////////////////////////////////////////////////////////////////////////
+
+//
+// static list of all SimObjects, used for initialization etc.
+//
+SimObject::SimObjectList SimObject::simObjectList;
+
+namespace Stats {
+ extern ObjectMatch event_ignore;
+}
+
+//
+// SimObject constructor: used to maintain static simObjectList
+//
+SimObject::SimObject(Params *p)
+ : _params(p)
+{
+#ifdef DEBUG
+ doDebugBreak = false;
+#endif
+
+ doRecordEvent = !Stats::event_ignore.match(name());
+ simObjectList.push_back(this);
+}
+
+//
+// SimObject constructor: used to maintain static simObjectList
+//
+SimObject::SimObject(const string &_name)
+ : _params(new Params)
+{
+ _params->name = _name;
+#ifdef DEBUG
+ doDebugBreak = false;
+#endif
+
+ doRecordEvent = !Stats::event_ignore.match(name());
+ simObjectList.push_back(this);
+}
+
+void
+SimObject::connect()
+{
+}
+
+void
+SimObject::init()
+{
+}
+
+//
+// no default statistics, so nothing to do in base implementation
+//
+void
+SimObject::regStats()
+{
+}
+
+void
+SimObject::regFormulas()
+{
+}
+
+void
+SimObject::resetStats()
+{
+}
+
+//
+// static function:
+// call regStats() on all SimObjects and then regFormulas() on all
+// SimObjects.
+//
+struct SimObjectResetCB : public Callback
+{
+ virtual void process() { SimObject::resetAllStats(); }
+};
+
+namespace {
+ static SimObjectResetCB StatResetCB;
+}
+
+void
+SimObject::regAllStats()
+{
+ SimObjectList::iterator i;
+ SimObjectList::iterator end = simObjectList.end();
+
+ /**
+ * @todo change cprintfs to DPRINTFs
+ */
+ for (i = simObjectList.begin(); i != end; ++i) {
+#ifdef STAT_DEBUG
+ cprintf("registering stats for %s\n", (*i)->name());
+#endif
+ (*i)->regStats();
+ }
+
+ for (i = simObjectList.begin(); i != end; ++i) {
+#ifdef STAT_DEBUG
+ cprintf("registering formulas for %s\n", (*i)->name());
+#endif
+ (*i)->regFormulas();
+ }
+
+ Stats::registerResetCallback(&StatResetCB);
+}
+
+//
+// static function: call connect() on all SimObjects.
+//
+void
+SimObject::connectAll()
+{
+ SimObjectList::iterator i = simObjectList.begin();
+ SimObjectList::iterator end = simObjectList.end();
+
+ for (; i != end; ++i) {
+ SimObject *obj = *i;
+ obj->connect();
+ }
+}
+
+//
+// static function: call init() on all SimObjects.
+//
+void
+SimObject::initAll()
+{
+ SimObjectList::iterator i = simObjectList.begin();
+ SimObjectList::iterator end = simObjectList.end();
+
+ for (; i != end; ++i) {
+ SimObject *obj = *i;
+ obj->init();
+ }
+}
+
+//
+// static function: call resetStats() on all SimObjects.
+//
+void
+SimObject::resetAllStats()
+{
+ SimObjectList::iterator i = simObjectList.begin();
+ SimObjectList::iterator end = simObjectList.end();
+
+ for (; i != end; ++i) {
+ SimObject *obj = *i;
+ obj->resetStats();
+ }
+}
+
+//
+// static function: serialize all SimObjects.
+//
+void
+SimObject::serializeAll(ostream &os)
+{
+ SimObjectList::reverse_iterator ri = simObjectList.rbegin();
+ SimObjectList::reverse_iterator rend = simObjectList.rend();
+
+ for (; ri != rend; ++ri) {
+ SimObject *obj = *ri;
+ obj->nameOut(os);
+ obj->serialize(os);
+ }
+}
+
+#ifdef DEBUG
+//
+// static function: flag which objects should have the debugger break
+//
+void
+SimObject::debugObjectBreak(const string &objs)
+{
+ SimObjectList::const_iterator i = simObjectList.begin();
+ SimObjectList::const_iterator end = simObjectList.end();
+
+ ObjectMatch match(objs);
+ for (; i != end; ++i) {
+ SimObject *obj = *i;
+ obj->doDebugBreak = match.match(obj->name());
+ }
+}
+
+extern "C"
+void
+debugObjectBreak(const char *objs)
+{
+ SimObject::debugObjectBreak(string(objs));
+}
+#endif
+
+void
+SimObject::recordEvent(const std::string &stat)
+{
+ if (doRecordEvent)
+ Stats::recordEvent(stat);
+}
+
+void
+SimObject::drain(Serializer *serializer)
+{
+ serializer->signalDrained();
+}
+
+DEFINE_SIM_OBJECT_CLASS_NAME("SimObject", SimObject)