gem5/src/python/swig/core.i
Andreas Sandberg a91c1e69a8 sim: Add support for forking
This changeset adds forking capabilities to the gem5 python scripts. A fork
method is added to simulate.py. This method is responsible for forking the
simulator itself, and will direct all output files to a new output directory
based on the fork sequence number. The default name of the output directory is
the same as the parent with the suffix ".fN" added where N is the fork sequence
number. The fork method provides the option to specify if the system should be
drained prior to forking, or not. By default the system is drained to ensure
that there are no in-flight transactions.

When forking the simulator, the fork method returns the PID of the child
process, or returns 0 if running in the child. This is in line with the standard
Python forking interface.

Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
[sascha.bischoff@arm.com: Rebased patches onto a newer gem5 version]
Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
[andreas.sandberg@arm.com: Updated to comply with modern draining semantics ]
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
2015-11-26 10:11:57 +00:00

99 lines
2.9 KiB
OpenEdge ABL

/*
* 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(package="m5.internal") core
%{
#include "base/misc.hh"
#include "base/random.hh"
#include "base/socket.hh"
#include "base/types.hh"
#include "python/swig/pyobject.hh"
#include "sim/core.hh"
extern const char *compileDate;
#ifdef DEBUG
const bool flag_DEBUG = true;
#else
const bool flag_DEBUG = false;
#endif
#ifdef NDEBUG
const bool flag_NDEBUG = true;
#else
const bool flag_NDEBUG = false;
#endif
const bool flag_TRACING_ON = TRACING_ON;
inline void disableAllListeners() { ListenSocket::disableAll(); }
inline bool listenersDisabled() { return ListenSocket::allDisabled(); }
inline void
seedRandom(uint64_t seed)
{
random_mt.init(seed);
}
%}
%include <std_string.i>
%include <stdint.i>
%include "base/types.hh"
void setOutputDir(const std::string &dir);
void doExitCleanup();
void disableAllListeners();
bool listenersDisabled();
void seedRandom(uint64_t seed);
%immutable compileDate;
char *compileDate;
const bool flag_DEBUG;
const bool flag_NDEBUG;
const bool flag_TRACING_ON;
void setClockFrequency(Tick ticksPerSecond);
Tick curTick();
class Checkpoint;
void serializeAll(const std::string &cpt_dir);
CheckpointIn *getCheckpoint(const std::string &cpt_dir);
void unserializeGlobals(CheckpointIn &cp);
bool want_warn, warn_verbose;
bool want_info, info_verbose;
bool want_hack, hack_verbose;