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