gem5/src/mem/ruby/tester/RaceyDriver.hh
2009-07-22 20:28:32 -05:00

128 lines
3.8 KiB
C++

/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* 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.
*/
/*
* $Id$
*
* Description: The driver interface between racey pseudo threads and ruby
* memory timing simulator.
*
*/
#ifndef RACEYDRIVER_H
#define RACEYDRIVER_H
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/tester/Tester_Globals.hh"
#include "mem/ruby/common/Driver.hh"
#include "mem/ruby/tester/RaceyPseudoThread.hh"
#include <map>
#include "mem/ruby/libruby.hh"
#define g_DEADLOCK_THRESHOLD 5000
struct address_data {
Address address;
uint8_t * data;
};
class RaceyDriver : public Driver, public Consumer {
public:
friend class RaceyPseudoThread;
// Constructors
RaceyDriver(int num_procs, int tester_length);
// Destructor
~RaceyDriver();
// Public Methods
int runningThreads();
void registerThread0Wakeup();
void joinThread();
bool Thread0Initialized() {
return m_racey_pseudo_threads[0]->getInitializedState();
};
void hitCallback(int64_t request_id);
void wakeup();
void printStats(ostream& out) const;
void clearStats() {}
void printConfig(ostream& out) const {}
void go();
integer_t getInstructionCount(int procID) const;
// save/load cpu states
void saveCPUStates(int cpu_id, string filename) {
m_racey_pseudo_threads[cpu_id]->saveCPUStates(filename);
};
void loadCPUStates(int cpu_id, string filename) {
m_racey_pseudo_threads[cpu_id]->loadCPUStates(filename);
};
// reset IC
void resetIC(int cpu_id) {
m_racey_pseudo_threads[cpu_id]->resetIC();
}
void print(ostream& out) const;
private:
// Private copy constructor and assignment operator
RaceyDriver(const RaceyDriver& obj);
RaceyDriver& operator=(const RaceyDriver& obj);
// Data Members (m_ prefix)
Vector<RaceyPseudoThread*> m_racey_pseudo_threads;
int m_done_counter;
bool m_wakeup_thread0;
Time m_finish_time;
map <int64_t, pair <int, struct address_data> > requests;
RubyEventQueue * eventQueue;
int m_num_procs;
int m_tester_length;
};
// Output operator declaration
ostream& operator<<(ostream& out, const RaceyDriver& obj);
// ******************* Definitions *******************
// Output operator definition
extern inline
ostream& operator<<(ostream& out, const RaceyDriver& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif //RACEYDRIVER_H