abc76f20cb
creation and initialization now happens in python. Parameter objects are generated and initialized by python. The .ini file is now solely for debugging purposes and is not used in construction of the objects in any way. --HG-- extra : convert_revision : 7e722873e417cb3d696f2e34c35ff488b7bff4ed
131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/*
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* Copyright (c) 2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Nathan Binkert
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*/
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#include <Python.h>
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#include <string>
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#include "base/inifile.hh"
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#include "base/output.hh"
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#include "mem/mem_object.hh"
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#include "mem/port.hh"
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#include "sim/sim_object.hh"
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using namespace std;
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/**
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* Look up a MemObject port. Helper function for connectPorts().
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*/
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Port *
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lookupPort(SimObject *so, const std::string &name, int i)
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{
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MemObject *mo = dynamic_cast<MemObject *>(so);
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if (mo == NULL) {
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warn("error casting SimObject %s to MemObject", so->name());
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return NULL;
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}
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Port *p = mo->getPort(name, i);
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if (p == NULL)
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warn("error looking up port %s on object %s", name, so->name());
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return p;
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}
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/**
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* Connect the described MemObject ports. Called from Python via SWIG.
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* The indices i1 & i2 will be -1 for regular ports, >= 0 for vector ports.
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*/
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int
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connectPorts(SimObject *o1, const std::string &name1, int i1,
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SimObject *o2, const std::string &name2, int i2)
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{
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Port *p1 = lookupPort(o1, name1, i1);
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Port *p2 = lookupPort(o2, name2, i2);
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if (p1 == NULL || p2 == NULL) {
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warn("connectPorts: port lookup error");
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return 0;
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}
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p1->setPeer(p2);
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p2->setPeer(p1);
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return 1;
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}
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inline IniFile &
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inifile()
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{
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static IniFile inifile;
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return inifile;
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}
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/**
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* Pointer to the Python function that maps names to SimObjects.
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*/
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PyObject *resolveFunc = NULL;
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/**
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* Convert a pointer to the Python object that SWIG wraps around a C++
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* SimObject pointer back to the actual C++ pointer. See main.i.
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*/
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extern "C" SimObject *convertSwigSimObjectPtr(PyObject *);
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SimObject *
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resolveSimObject(const string &name)
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{
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PyObject *pyPtr = PyEval_CallFunction(resolveFunc, "(s)", name.c_str());
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if (pyPtr == NULL) {
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PyErr_Print();
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panic("resolveSimObject: failure on call to Python for %s", name);
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}
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SimObject *simObj = convertSwigSimObjectPtr(pyPtr);
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if (simObj == NULL)
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panic("resolveSimObject: failure on pointer conversion for %s", name);
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return simObj;
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}
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/**
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* Load config.ini into C++ database. Exported to Python via SWIG;
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* invoked from m5.instantiate().
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*/
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void
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loadIniFile(PyObject *_resolveFunc)
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{
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resolveFunc = _resolveFunc;
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// The configuration database is now complete; start processing it.
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inifile().load(simout.resolve("config.ini"));
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}
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