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Factor code out of main.cc and main.i into a bunch of files

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so things are organized in a more sensible manner.  Take apart
finalInit and expose the individual functions which are now
called from python.  Make checkpointing a bit easier to use.

--HG--
extra : convert_revision : f470ddabbb47103e7b4734ef753c40089f2dcd9d
This commit is contained in:
Nathan Binkert 2007-03-02 22:24:00 -08:00
parent 4e8d2d1593
commit ffe6bebb05
20 changed files with 857 additions and 392 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/SConscript
View file

@ -131,15 +131,19 @@ base_sources = Split('''
mem/cache/cache_builder.cc
python/swig/init.cc
python/swig/core_wrap.cc
python/swig/debug_wrap.cc
python/swig/main_wrap.cc
python/swig/event_wrap.cc
python/swig/random_wrap.cc
python/swig/sim_object_wrap.cc
python/swig/stats_wrap.cc
python/swig/trace_wrap.cc
python/swig/pyevent.cc
python/swig/pyobject.cc
sim/async.cc
sim/builder.cc
sim/core.cc
sim/debug.cc
sim/eventq.cc
sim/faults.cc
@ -149,6 +153,7 @@ base_sources = Split('''
sim/serialize.cc
sim/sim_events.cc
sim/sim_object.cc
sim/simulate.cc
sim/startup.cc
sim/stat_control.cc
sim/system.cc

3
src/python/SConscript
View file

@ -107,10 +107,11 @@ def swig_it(module):
'-o ${TARGETS[0]} $SOURCES')
swig_modules.append(module)
swig_it('main')
swig_it('core')
swig_it('debug')
swig_it('event')
swig_it('random')
swig_it('sim_object')
swig_it('stats')
swig_it('trace')

6
src/python/m5/SimObject.py
View file

@ -693,7 +693,7 @@ class SimObject(object):
def getCCObject(self):
if not self._ccObject:
self._ccObject = -1 # flag to catch cycles in recursion
self._ccObject = internal.main.createSimObject(self.path())
self._ccObject = internal.sim_object.createSimObject(self.path())
elif self._ccObject == -1:
raise RuntimeError, "%s: recursive call to getCCObject()" \
% self.path()
@ -727,13 +727,13 @@ class SimObject(object):
# i don't know if there's a better way to do this - calling
# setMemoryMode directly from self._ccObject results in calling
# SimObject::setMemoryMode, not the System::setMemoryMode
system_ptr = internal.main.convertToSystemPtr(self._ccObject)
system_ptr = internal.sim_object.convertToSystemPtr(self._ccObject)
system_ptr.setMemoryMode(mode)
for child in self._children.itervalues():
child.changeTiming(mode)
def takeOverFrom(self, old_cpu):
cpu_ptr = internal.main.convertToBaseCPUPtr(old_cpu._ccObject)
cpu_ptr = internal.sim_object.convertToBaseCPUPtr(old_cpu._ccObject)
self._ccObject.takeOverFrom(cpu_ptr)
# generate output file for 'dot' to display as a pretty graph.

95
src/python/m5/__init__.py
View file

@ -27,14 +27,16 @@
# Authors: Nathan Binkert
# Steve Reinhardt
import atexit, os, sys
import atexit
import os
import sys
# import the SWIG-wrapped main C++ functions
import internal
# import a few SWIG-wrapped items (those that are likely to be used
# directly by user scripts) completely into this module for
# convenience
from internal.main import simulate, SimLoopExitEvent
from internal.event import SimLoopExitEvent
# import the m5 compile options
import defines
@ -85,27 +87,60 @@ def instantiate(root):
root.print_ini()
sys.stdout.close() # close config.ini
sys.stdout = sys.__stdout__ # restore to original
internal.main.loadIniFile(resolveSimObject) # load config.ini into C++
# load config.ini into C++
internal.core.loadIniFile(resolveSimObject)
# Initialize the global statistics
internal.stats.initSimStats()
root.createCCObject()
root.connectPorts()
internal.main.finalInit()
noDot = True # temporary until we fix dot
if not noDot:
dot = pydot.Dot()
instance.outputDot(dot)
dot.orientation = "portrait"
dot.size = "8.5,11"
dot.ranksep="equally"
dot.rank="samerank"
dot.write("config.dot")
dot.write_ps("config.ps")
# Do a second pass to finish initializing the sim objects
internal.sim_object.initAll()
# Do a third pass to initialize statistics
internal.sim_object.regAllStats()
# Check to make sure that the stats package is properly initialized
internal.stats.check()
# Reset to put the stats in a consistent state.
internal.stats.reset()
def doDot(root):
dot = pydot.Dot()
instance.outputDot(dot)
dot.orientation = "portrait"
dot.size = "8.5,11"
dot.ranksep="equally"
dot.rank="samerank"
dot.write("config.dot")
dot.write_ps("config.ps")
need_resume = []
need_startup = True
def simulate(*args, **kwargs):
global need_resume, need_startup
if need_startup:
internal.core.SimStartup()
need_startup = False
for root in need_resume:
resume(root)
need_resume = []
return internal.event.simulate(*args, **kwargs)
# Export curTick to user script.
def curTick():
return internal.main.cvar.curTick
return internal.event.cvar.curTick
# register our C++ exit callback function with Python
atexit.register(internal.main.doExitCleanup)
atexit.register(internal.core.doExitCleanup)
atexit.register(internal.stats.dump)
# This loops until all objects have been fully drained.
def doDrain(root):
@ -119,7 +154,7 @@ def doDrain(root):
# be drained.
def drain(root):
all_drained = False
drain_event = internal.main.createCountedDrain()
drain_event = internal.event.createCountedDrain()
unready_objects = root.startDrain(drain_event, True)
# If we've got some objects that can't drain immediately, then simulate
if unready_objects > 0:
@ -127,7 +162,7 @@ def drain(root):
simulate()
else:
all_drained = True
internal.main.cleanupCountedDrain(drain_event)
internal.event.cleanupCountedDrain(drain_event)
return all_drained
def resume(root):
@ -135,16 +170,16 @@ def resume(root):
def checkpoint(root, dir):
if not isinstance(root, objects.Root):
raise TypeError, "Object is not a root object. Checkpoint must be called on a root object."
raise TypeError, "Checkpoint must be called on a root object."
doDrain(root)
print "Writing checkpoint"
internal.main.serializeAll(dir)
internal.sim_object.serializeAll(dir)
resume(root)
def restoreCheckpoint(root, dir):
print "Restoring from checkpoint"
internal.main.unserializeAll(dir)
resume(root)
internal.sim_object.unserializeAll(dir)
need_resume.append(root)
def changeToAtomic(system):
if not isinstance(system, objects.Root) and not isinstance(system, objects.System):
@ -152,7 +187,7 @@ def changeToAtomic(system):
"called on a root object."
doDrain(system)
print "Changing memory mode to atomic"
system.changeTiming(internal.main.SimObject.Atomic)
system.changeTiming(internal.sim_object.SimObject.Atomic)
def changeToTiming(system):
if not isinstance(system, objects.Root) and not isinstance(system, objects.System):
@ -160,7 +195,7 @@ def changeToTiming(system):
"called on a root object."
doDrain(system)
print "Changing memory mode to timing"
system.changeTiming(internal.main.SimObject.Timing)
system.changeTiming(internal.sim_object.SimObject.Timing)
def switchCpus(cpuList):
print "switching cpus"
@ -180,7 +215,7 @@ def switchCpus(cpuList):
raise TypeError, "%s is not of type BaseCPU" % cpu
# Drain all of the individual CPUs
drain_event = internal.main.createCountedDrain()
drain_event = internal.event.createCountedDrain()
unready_cpus = 0
for old_cpu in old_cpus:
unready_cpus += old_cpu.startDrain(drain_event, False)
@ -188,7 +223,7 @@ def switchCpus(cpuList):
if unready_cpus > 0:
drain_event.setCount(unready_cpus)
simulate()
internal.main.cleanupCountedDrain(drain_event)
internal.event.cleanupCountedDrain(drain_event)
# Now all of the CPUs are ready to be switched out
for old_cpu in old_cpus:
old_cpu._ccObject.switchOut()
@ -198,6 +233,14 @@ def switchCpus(cpuList):
new_cpu._ccObject.resume()
index += 1
def dumpStats():
print 'Dumping stats'
internal.stats.dump()
def resetStats():
print 'Resetting stats'
internal.stats.reset()
# Since we have so many mutual imports in this package, we should:
# 1. Put all intra-package imports at the *bottom* of the file, unless
# they're absolutely needed before that (for top-level statements

4
src/python/m5/main.py
View file

@ -240,7 +240,7 @@ def main():
print "M5 Simulator System"
print brief_copyright
print
print "M5 compiled %s" % internal.main.cvar.compileDate;
print "M5 compiled %s" % internal.core.cvar.compileDate;
print "M5 started %s" % datetime.now().ctime()
print "M5 executing on %s" % socket.gethostname()
print "command line:",
@ -256,7 +256,7 @@ def main():
usage(2)
# tell C++ about output directory
internal.main.setOutputDir(options.outdir)
internal.core.setOutputDir(options.outdir)
# update the system path with elements from the -p option
sys.path[0:0] = options.path

5
src/python/m5/params.py
View file

@ -894,9 +894,8 @@ class PortRef(object):
if self.ccConnected: # already done this
return
peer = self.peer
internal.main.connectPorts(self.simobj.getCCObject(), self.name,
self.index, peer.simobj.getCCObject(),
peer.name, peer.index)
internal.sim_object.connectPorts(self.simobj.getCCObject(), self.name,
self.index, peer.simobj.getCCObject(), peer.name, peer.index)
self.ccConnected = True
peer.ccConnected = True

57
src/python/swig/core.i Normal file
View file

@ -0,0 +1,57 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
%module core
%{
#include "python/swig/pyobject.hh"
#include "sim/core.hh"
#include "sim/host.hh"
#include "sim/startup.hh"
extern const char *compileDate;
%}
%include "std_string.i"
void setOutputDir(const std::string &dir);
void loadIniFile(PyObject *);
void SimStartup();
void doExitCleanup();
char *compileDate;
%wrapper %{
// fix up module name to reflect the fact that it's inside the m5 package
#undef SWIG_name
#define SWIG_name "m5.internal._core"
%}

45
src/python/swig/event.i
View file

@ -33,19 +33,48 @@
%{
#include "python/swig/pyevent.hh"
inline void
create(PyObject *object, Tick when)
{
new PythonEvent(object, when);
}
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/simulate.hh"
%}
%include "stdint.i"
%include "std_string.i"
%include "sim/host.hh"
%inline %{
extern void create(PyObject *object, Tick when);
%}
void create(PyObject *object, Tick when);
class Event;
class CountedDrainEvent : public Event {
public:
void setCount(int _count);
};
CountedDrainEvent *createCountedDrain();
void cleanupCountedDrain(Event *drain_event);
%immutable curTick;
Tick curTick;
// minimal definition of SimExitEvent interface to wrap
class SimLoopExitEvent {
public:
std::string getCause();
int getCode();
SimLoopExitEvent(EventQueue *q, Tick _when, Tick _repeat,
const std::string &_cause, int c = 0);
};
%exception simulate {
$action
if (!result) {
return NULL;
}
}
SimLoopExitEvent *simulate(Tick num_cycles = MaxTick);
void exitSimLoop(const std::string &message, int exit_code);
Tick curTick;
%wrapper %{
// fix up module name to reflect the fact that it's inside the m5 package

26
src/python/swig/pyevent.hh
View file

@ -32,6 +32,7 @@
#define __PYTHON_SWIG_PYEVENT_HH__
#include "sim/eventq.hh"
#include "sim/sim_events.hh"
class PythonEvent : public Event
{
@ -45,4 +46,29 @@ class PythonEvent : public Event
virtual void process();
};
inline void
create(PyObject *object, Tick when)
{
new PythonEvent(object, when);
}
inline Event *
createCountedDrain()
{
return new CountedDrainEvent();
}
inline void
cleanupCountedDrain(Event *counted_drain)
{
CountedDrainEvent *event =
dynamic_cast<CountedDrainEvent *>(counted_drain);
if (event == NULL) {
fatal("Called cleanupCountedDrain() on an event that was not "
"a CountedDrainEvent.");
}
assert(event->getCount() == 0);
delete event;
}
#endif // __PYTHON_SWIG_PYEVENT_HH__

137
src/python/swig/pyobject.cc Normal file
View file

@ -0,0 +1,137 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
*/
#include <Python.h>
#include <string>
#include "base/inifile.hh"
#include "base/output.hh"
#include "mem/mem_object.hh"
#include "mem/port.hh"
#include "sim/builder.hh"
#include "sim/sim_object.hh"
using namespace std;
/**
* Look up a MemObject port. Helper function for connectPorts().
*/
Port *
lookupPort(SimObject *so, const std::string &name, int i)
{
MemObject *mo = dynamic_cast<MemObject *>(so);
if (mo == NULL) {
warn("error casting SimObject %s to MemObject", so->name());
return NULL;
}
Port *p = mo->getPort(name, i);
if (p == NULL)
warn("error looking up port %s on object %s", name, so->name());
return p;
}
/**
* Connect the described MemObject ports. Called from Python via SWIG.
*/
int
connectPorts(SimObject *o1, const std::string &name1, int i1,
SimObject *o2, const std::string &name2, int i2)
{
Port *p1 = lookupPort(o1, name1, i1);
Port *p2 = lookupPort(o2, name2, i2);
if (p1 == NULL || p2 == NULL) {
warn("connectPorts: port lookup error");
return 0;
}
p1->setPeer(p2);
p2->setPeer(p1);
return 1;
}
inline IniFile &
inifile()
{
static IniFile inifile;
return inifile;
}
SimObject *
createSimObject(const string &name)
{
return SimObjectClass::createObject(inifile(), name);
}
/**
* Pointer to the Python function that maps names to SimObjects.
*/
PyObject *resolveFunc = NULL;
/**
* Convert a pointer to the Python object that SWIG wraps around a C++
* SimObject pointer back to the actual C++ pointer. See main.i.
*/
extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
SimObject *
resolveSimObject(const string &name)
{
PyObject *pyPtr = PyEval_CallFunction(resolveFunc, "(s)", name.c_str());
if (pyPtr == NULL) {
PyErr_Print();
panic("resolveSimObject: failure on call to Python for %s", name);
}
SimObject *simObj = convertSwigSimObjectPtr(pyPtr);
if (simObj == NULL)
panic("resolveSimObject: failure on pointer conversion for %s", name);
return simObj;
}
/**
* Load config.ini into C++ database. Exported to Python via SWIG;
* invoked from m5.instantiate().
*/
void
loadIniFile(PyObject *_resolveFunc)
{
resolveFunc = _resolveFunc;
configStream = simout.find("config.out");
// The configuration database is now complete; start processing it.
inifile().load(simout.resolve("config.ini"));
}

94
src/python/swig/pyobject.hh Normal file
View file

@ -0,0 +1,94 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
*/
#include <Python.h>
#include "cpu/base.hh"
#include "sim/host.hh"
#include "sim/serialize.hh"
#include "sim/sim_object.hh"
#include "sim/system.hh"
SimObject *createSimObject(const std::string &name);
extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
SimObject *resolveSimObject(const std::string &name);
void loadIniFile(PyObject *_resolveFunc);
/**
* Connect the described MemObject ports. Called from Python via SWIG.
*/
int connectPorts(SimObject *o1, const std::string &name1, int i1,
SimObject *o2, const std::string &name2, int i2);
inline BaseCPU *
convertToBaseCPUPtr(SimObject *obj)
{
BaseCPU *ptr = dynamic_cast<BaseCPU *>(obj);
if (ptr == NULL)
warn("Casting to BaseCPU pointer failed");
return ptr;
}
inline System *
convertToSystemPtr(SimObject *obj)
{
System *ptr = dynamic_cast<System *>(obj);
if (ptr == NULL)
warn("Casting to System pointer failed");
return ptr;
}
inline void
initAll()
{
SimObject::initAll();
}
inline void
regAllStats()
{
SimObject::regAllStats();
}
inline void
serializeAll(const std::string &cpt_dir)
{
Serializable::serializeAll(cpt_dir);
}
inline void
unserializeAll(const std::string &cpt_dir)
{
Serializable::unserializeAll(cpt_dir);
}

101
src/python/swig/sim_object.i Normal file
View file

@ -0,0 +1,101 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
*/
%module sim_object
%{
#include "python/swig/pyobject.hh"
%}
// import these files for SWIG to wrap
%include "stdint.i"
%include "std_string.i"
%include "sim/host.hh"
class BaseCPU;
class SimObject {
public:
enum State {
Running,
Draining,
Drained
};
enum MemoryMode {
Invalid,
Atomic,
Timing
};
unsigned int drain(Event *drain_event);
void resume();
void switchOut();
void takeOverFrom(BaseCPU *cpu);
SimObject(const std::string &_name);
};
class System {
private:
System();
public:
void setMemoryMode(SimObject::MemoryMode mode);
};
SimObject *createSimObject(const std::string &name);
int connectPorts(SimObject *o1, const std::string &name1, int i1,
SimObject *o2, const std::string &name2, int i2);
BaseCPU *convertToBaseCPUPtr(SimObject *obj);
System *convertToSystemPtr(SimObject *obj);
void serializeAll(const std::string &cpt_dir);
void unserializeAll(const std::string &cpt_dir);
void initAll();
void regAllStats();
%wrapper %{
// fix up module name to reflect the fact that it's inside the m5 package
#undef SWIG_name
#define SWIG_name "m5.internal._sim_object"
// Convert a pointer to the Python object that SWIG wraps around a
// C++ SimObject pointer back to the actual C++ pointer.
SimObject *
convertSwigSimObjectPtr(PyObject *pyObj)
{
SimObject *so;
if (SWIG_ConvertPtr(pyObj, (void **) &so, SWIGTYPE_p_SimObject, 0) == -1)
return NULL;
return so;
}
%}

1
src/python/swig/stats.i
View file

@ -48,6 +48,7 @@ void initMySQL(std::string host, std::string database, std::string user = "",
void StatEvent(bool dump, bool reset, Tick when = curTick, Tick repeat = 0);
void check();
void dump();
void reset();

38
src/sim/async.cc Normal file
View file

@ -0,0 +1,38 @@
/*
* Copyright (c) 2000-2005 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.
*
* Authors: Nathan Binkert
*/
volatile bool async_event = false;
volatile bool async_statdump = false;
volatile bool async_statreset = false;
volatile bool async_exit = false;
volatile bool async_io = false;
volatile bool async_alarm = false;
volatile bool async_exception = false;

3
src/sim/async.hh
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@ -43,7 +43,8 @@
/// @note See the PollQueue object (in pollevent.hh) for the use of async_io and async_alarm.
//@{
extern volatile bool async_event; ///< Some asynchronous event has happened.
extern volatile bool async_dump; ///< Async request to dump stats.
extern volatile bool async_statdump; ///< Async request to dump stats.
extern volatile bool async_statreset; ///< Async request to reset stats.
extern volatile bool async_exit; ///< Async request to exit simulator.
extern volatile bool async_io; ///< Async I/O request (SIGIO).
extern volatile bool async_alarm; ///< Async alarm event (SIGALRM).

76
src/sim/core.cc Normal file
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@ -0,0 +1,76 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include <iostream>
#include <string>
#include "base/callback.hh"
#include "base/output.hh"
using namespace std;
void
setOutputDir(const string &dir)
{
simout.setDirectory(dir);
}
/**
* Queue of C++ callbacks to invoke on simulator exit.
*/
inline CallbackQueue &
exitCallbacks()
{
static CallbackQueue theQueue;
return theQueue;
}
/**
* Register an exit callback.
*/
void
registerExitCallback(Callback *callback)
{
exitCallbacks().add(callback);
}
/**
* Do C++ simulator exit processing. Exported to SWIG to be invoked
* when simulator terminates via Python's atexit mechanism.
*/
void
doExitCleanup()
{
exitCallbacks().process();
exitCallbacks().clear();
cout.flush();
}

40
src/sim/core.hh Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include <Python.h>
#include <string>
#include "base/callback.hh"
void setOutputDir(const std::string &dir);
void registerExitCallback(Callback *callback);
void doExitCleanup();

355
src/sim/main.cc
View file

@ -25,79 +25,38 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Steve Raasch
* Nathan Binkert
* Steve Reinhardt
* Authors: Nathan Binkert
*/
///
/// @file sim/main.cc
///
#include <Python.h> // must be before system headers... see Python docs
#include <Python.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <libgen.h>
#include <stdlib.h>
#include <signal.h>
#include <getopt.h>
#include <list>
#include <iostream>
#include <string>
#include <vector>
#include "base/callback.hh"
#include "base/inifile.hh"
#include "base/cprintf.hh"
#include "base/misc.hh"
#include "base/output.hh"
#include "base/pollevent.hh"
#include "base/statistics.hh"
#include "base/stats/output.hh"
#include "base/str.hh"
#include "base/time.hh"
#include "config/pythonhome.hh"
#include "cpu/base.hh"
#include "cpu/smt.hh"
#include "mem/mem_object.hh"
#include "mem/port.hh"
#include "python/swig/init.hh"
#include "sim/async.hh"
#include "sim/builder.hh"
#include "sim/host.hh"
#include "sim/serialize.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/sim_object.hh"
#include "sim/system.hh"
#include "sim/stat_control.hh"
#include "sim/stats.hh"
#include "sim/root.hh"
using namespace std;
// See async.h.
volatile bool async_event = false;
volatile bool async_dump = false;
volatile bool async_dumpreset = false;
volatile bool async_exit = false;
volatile bool async_io = false;
volatile bool async_alarm = false;
volatile bool async_exception = false;
/// Stats signal handler.
void
dumpStatsHandler(int sigtype)
{
async_event = true;
async_dump = true;
async_statdump = true;
}
void
dumprstStatsHandler(int sigtype)
{
async_event = true;
async_dumpreset = true;
async_statdump = true;
async_statreset = true;
}
/// Exit signal handler.
@ -112,7 +71,7 @@ exitNowHandler(int sigtype)
void
abortHandler(int sigtype)
{
cerr << "Program aborted at cycle " << curTick << endl;
ccprintf(cerr, "Program aborted at cycle %d\n", curTick);
}
int
@ -160,301 +119,3 @@ main(int argc, char **argv)
// clean up Python intepreter.
Py_Finalize();
}
void
setOutputDir(const string &dir)
{
simout.setDirectory(dir);
}
IniFile inifile;
SimObject *
createSimObject(const string &name)
{
return SimObjectClass::createObject(inifile, name);
}
/**
* Pointer to the Python function that maps names to SimObjects.
*/
PyObject *resolveFunc = NULL;
/**
* Convert a pointer to the Python object that SWIG wraps around a C++
* SimObject pointer back to the actual C++ pointer. See main.i.
*/
extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
SimObject *
resolveSimObject(const string &name)
{
PyObject *pyPtr = PyEval_CallFunction(resolveFunc, "(s)", name.c_str());
if (pyPtr == NULL) {
PyErr_Print();
panic("resolveSimObject: failure on call to Python for %s", name);
}
SimObject *simObj = convertSwigSimObjectPtr(pyPtr);
if (simObj == NULL)
panic("resolveSimObject: failure on pointer conversion for %s", name);
return simObj;
}
/**
* Load config.ini into C++ database. Exported to Python via SWIG;
* invoked from m5.instantiate().
*/
void
loadIniFile(PyObject *_resolveFunc)
{
resolveFunc = _resolveFunc;
configStream = simout.find("config.out");
// The configuration database is now complete; start processing it.
inifile.load(simout.resolve("config.ini"));
// Initialize statistics database
Stats::initSimStats();
}
/**
* Look up a MemObject port. Helper function for connectPorts().
*/
Port *
lookupPort(SimObject *so, const std::string &name, int i)
{
MemObject *mo = dynamic_cast<MemObject *>(so);
if (mo == NULL) {
warn("error casting SimObject %s to MemObject", so->name());
return NULL;
}
Port *p = mo->getPort(name, i);
if (p == NULL)
warn("error looking up port %s on object %s", name, so->name());
return p;
}
/**
* Connect the described MemObject ports. Called from Python via SWIG.
*/
int
connectPorts(SimObject *o1, const std::string &name1, int i1,
SimObject *o2, const std::string &name2, int i2)
{
Port *p1 = lookupPort(o1, name1, i1);
Port *p2 = lookupPort(o2, name2, i2);
if (p1 == NULL || p2 == NULL) {
warn("connectPorts: port lookup error");
return 0;
}
p1->setPeer(p2);
p2->setPeer(p1);
return 1;
}
/**
* Do final initialization steps after object construction but before
* start of simulation.
*/
void
finalInit()
{
// Do a second pass to finish initializing the sim objects
SimObject::initAll();
// Restore checkpointed state, if any.
#if 0
configHierarchy.unserializeSimObjects();
#endif
SimObject::regAllStats();
// Check to make sure that the stats package is properly initialized
Stats::check();
// Reset to put the stats in a consistent state.
Stats::reset();
SimStartup();
}
/** Simulate for num_cycles additional cycles. If num_cycles is -1
* (the default), do not limit simulation; some other event must
* terminate the loop. Exported to Python via SWIG.
* @return The SimLoopExitEvent that caused the loop to exit.
*/
SimLoopExitEvent *
simulate(Tick num_cycles = MaxTick)
{
warn("Entering event queue @ %d. Starting simulation...\n", curTick);
if (num_cycles < 0)
fatal("simulate: num_cycles must be >= 0 (was %d)\n", num_cycles);
else if (curTick + num_cycles < 0) //Overflow
num_cycles = MaxTick;
else
num_cycles = curTick + num_cycles;
Event *limit_event = schedExitSimLoop("simulate() limit reached",
num_cycles);
while (1) {
// there should always be at least one event (the SimLoopExitEvent
// we just scheduled) in the queue
assert(!mainEventQueue.empty());
assert(curTick <= mainEventQueue.nextTick() &&
"event scheduled in the past");
// forward current cycle to the time of the first event on the
// queue
curTick = mainEventQueue.nextTick();
Event *exit_event = mainEventQueue.serviceOne();
if (exit_event != NULL) {
// hit some kind of exit event; return to Python
// event must be subclass of SimLoopExitEvent...
SimLoopExitEvent *se_event = dynamic_cast<SimLoopExitEvent *>(exit_event);
if (se_event == NULL)
panic("Bogus exit event class!");
// if we didn't hit limit_event, delete it
if (se_event != limit_event) {
assert(limit_event->scheduled());
limit_event->deschedule();
delete limit_event;
}
return se_event;
}
if (async_event) {
async_event = false;
if (async_dump) {
async_dump = false;
Stats::StatEvent(true, false);
}
if (async_dumpreset) {
async_dumpreset = false;
Stats::StatEvent(true, true);
}
if (async_exit) {
async_exit = false;
exitSimLoop("user interrupt received");
}
if (async_io || async_alarm) {
async_io = false;
async_alarm = false;
pollQueue.service();
}
if (async_exception) {
async_exception = false;
return NULL;
}
}
}
// not reached... only exit is return on SimLoopExitEvent
}
Event *
createCountedDrain()
{
return new CountedDrainEvent();
}
void
cleanupCountedDrain(Event *counted_drain)
{
CountedDrainEvent *event =
dynamic_cast<CountedDrainEvent *>(counted_drain);
if (event == NULL) {
fatal("Called cleanupCountedDrain() on an event that was not "
"a CountedDrainEvent.");
}
assert(event->getCount() == 0);
delete event;
}
void
serializeAll(const std::string &cpt_dir)
{
Serializable::serializeAll(cpt_dir);
}
void
unserializeAll(const std::string &cpt_dir)
{
Serializable::unserializeAll(cpt_dir);
}
/**
* Queue of C++ callbacks to invoke on simulator exit.
*/
CallbackQueue&
exitCallbacks()
{
static CallbackQueue theQueue;
return theQueue;
}
/**
* Register an exit callback.
*/
void
registerExitCallback(Callback *callback)
{
exitCallbacks().add(callback);
}
BaseCPU *
convertToBaseCPUPtr(SimObject *obj)
{
BaseCPU *ptr = dynamic_cast<BaseCPU *>(obj);
if (ptr == NULL)
warn("Casting to BaseCPU pointer failed");
return ptr;
}
System *
convertToSystemPtr(SimObject *obj)
{
System *ptr = dynamic_cast<System *>(obj);
if (ptr == NULL)
warn("Casting to System pointer failed");
return ptr;
}
/**
* Do C++ simulator exit processing. Exported to SWIG to be invoked
* when simulator terminates via Python's atexit mechanism.
*/
void
doExitCleanup()
{
exitCallbacks().process();
exitCallbacks().clear();
cout.flush();
// print simulation stats
Stats::dump();
}

121
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@ -0,0 +1,121 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include "base/misc.hh"
#include "base/pollevent.hh"
#include "sim/stat_control.hh"
#include "sim/async.hh"
#include "sim/eventq.hh"
#include "sim/host.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/simulate.hh"
/** Simulate for num_cycles additional cycles. If num_cycles is -1
* (the default), do not limit simulation; some other event must
* terminate the loop. Exported to Python via SWIG.
* @return The SimLoopExitEvent that caused the loop to exit.
*/
SimLoopExitEvent *
simulate(Tick num_cycles)
{
warn("Entering event queue @ %d. Starting simulation...\n", curTick);
if (num_cycles < 0)
fatal("simulate: num_cycles must be >= 0 (was %d)\n", num_cycles);
else if (curTick + num_cycles < 0) //Overflow
num_cycles = MaxTick;
else
num_cycles = curTick + num_cycles;
Event *limit_event;
limit_event = schedExitSimLoop("simulate() limit reached", num_cycles);
while (1) {
// there should always be at least one event (the SimLoopExitEvent
// we just scheduled) in the queue
assert(!mainEventQueue.empty());
assert(curTick <= mainEventQueue.nextTick() &&
"event scheduled in the past");
// forward current cycle to the time of the first event on the
// queue
curTick = mainEventQueue.nextTick();
Event *exit_event = mainEventQueue.serviceOne();
if (exit_event != NULL) {
// hit some kind of exit event; return to Python
// event must be subclass of SimLoopExitEvent...
SimLoopExitEvent *se_event;
se_event = dynamic_cast<SimLoopExitEvent *>(exit_event);
if (se_event == NULL)
panic("Bogus exit event class!");
// if we didn't hit limit_event, delete it
if (se_event != limit_event) {
assert(limit_event->scheduled());
limit_event->deschedule();
delete limit_event;
}
return se_event;
}
if (async_event) {
async_event = false;
if (async_statdump || async_statreset) {
async_statdump = false;
async_statreset = false;
Stats::StatEvent(async_statdump, async_statreset);
}
if (async_exit) {
async_exit = false;
exitSimLoop("user interrupt received");
}
if (async_io || async_alarm) {
async_io = false;
async_alarm = false;
pollQueue.service();
}
if (async_exception) {
async_exception = false;
return NULL;
}
}
}
// not reached... only exit is return on SimLoopExitEvent
}

35
src/sim/simulate.hh Normal file
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@ -0,0 +1,35 @@
/*
* Copyright (c) 2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include "sim/host.hh"
#include "sim/sim_events.hh"
SimLoopExitEvent *simulate(Tick num_cycles = MaxTick);