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authorNathan Binkert <binkertn@umich.edu>2006-12-21 22:38:50 -0800
committerNathan Binkert <binkertn@umich.edu>2006-12-21 22:38:50 -0800
commitecd1420341f6d96bd485cedf9b08a809d7e99176 (patch)
treee0d83a6c9f0ef1484747fd74b120541fd8f3c756 /src/python
parentba191d85c274934142430c1522a10ecdbc78d4f6 (diff)
downloadgem5-ecd1420341f6d96bd485cedf9b08a809d7e99176.tar.xz
Expose the C++ event queue to python via the python function
m5.internal.event.create(). It takes a python object and a Tick and calls process() when the Tick occurs. --HG-- extra : convert_revision : 5e4c9728982b206163ff51e6850a1497d85ad7a3
Diffstat (limited to 'src/python')
-rw-r--r--src/python/SConscript1
-rw-r--r--src/python/swig/event.i54
-rw-r--r--src/python/swig/pyevent.cc66
-rw-r--r--src/python/swig/pyevent.hh48
4 files changed, 169 insertions, 0 deletions
diff --git a/src/python/SConscript b/src/python/SConscript
index 1e49a18b2..df1464809 100644
--- a/src/python/SConscript
+++ b/src/python/SConscript
@@ -107,6 +107,7 @@ def swig_it(basename):
swig_it('main')
swig_it('debug')
+swig_it('event')
# Action function to build the zip archive. Uses the PyZipFile module
# included in the standard Python library.
diff --git a/src/python/swig/event.i b/src/python/swig/event.i
new file mode 100644
index 000000000..554c9fa0e
--- /dev/null
+++ b/src/python/swig/event.i
@@ -0,0 +1,54 @@
+/*
+ * 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 event
+
+%{
+#include "python/swig/pyevent.hh"
+
+inline void
+create(PyObject *object, Tick when)
+{
+ new PythonEvent(object, when);
+}
+%}
+
+%include "stdint.i"
+%include "sim/host.hh"
+
+%inline %{
+extern void create(PyObject *object, Tick when);
+%}
+
+%wrapper %{
+// fix up module name to reflect the fact that it's inside the m5 package
+#undef SWIG_name
+#define SWIG_name "m5.internal._event"
+%}
diff --git a/src/python/swig/pyevent.cc b/src/python/swig/pyevent.cc
new file mode 100644
index 000000000..6fb7d3f17
--- /dev/null
+++ b/src/python/swig/pyevent.cc
@@ -0,0 +1,66 @@
+/*
+ * 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 "python/swig/pyevent.hh"
+
+PythonEvent::PythonEvent(PyObject *obj, Tick when, Priority priority)
+ : Event(&mainEventQueue, priority), object(obj)
+{
+ if (object == NULL)
+ panic("Passed in invalid object");
+
+ Py_INCREF(object);
+
+ setFlags(AutoDelete);
+ schedule(when);
+}
+
+PythonEvent::~PythonEvent()
+{
+ Py_DECREF(object);
+}
+
+void
+PythonEvent::process()
+{
+ PyObject *result;
+
+ result = PyObject_CallMethod(object, "process", "");
+
+ if (result) {
+ // Nothing to do just decrement the reference count
+ Py_DECREF(result);
+ } else {
+ // Somethign should be done to signal back to the main interpreter
+ // that there's been an exception.
+ }
+}
diff --git a/src/python/swig/pyevent.hh b/src/python/swig/pyevent.hh
new file mode 100644
index 000000000..16af85a84
--- /dev/null
+++ b/src/python/swig/pyevent.hh
@@ -0,0 +1,48 @@
+/*
+ * 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
+ */
+
+#ifndef __PYTHON_SWIG_PYEVENT_HH__
+#define __PYTHON_SWIG_PYEVENT_HH__
+
+#include "sim/eventq.hh"
+
+class PythonEvent : public Event
+{
+ private:
+ PyObject *object;
+
+ public:
+ PythonEvent(PyObject *obj, Tick when, Priority priority = Default_Pri);
+ ~PythonEvent();
+
+ virtual void process();
+};
+
+#endif // __PYTHON_SWIG_PYEVENT_HH__