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-rw-r--r--src/sim/main.cc355
1 files changed, 8 insertions, 347 deletions
diff --git a/src/sim/main.cc b/src/sim/main.cc
index 8e47ac6a0..e7fb4039e 100644
--- a/src/sim/main.cc
+++ b/src/sim/main.cc
@@ -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();
-}