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Diffstat (limited to 'src/mem/ruby/tester/RaceyPseudoThread.hh')
-rw-r--r-- | src/mem/ruby/tester/RaceyPseudoThread.hh | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/src/mem/ruby/tester/RaceyPseudoThread.hh b/src/mem/ruby/tester/RaceyPseudoThread.hh deleted file mode 100644 index 103e42111..000000000 --- a/src/mem/ruby/tester/RaceyPseudoThread.hh +++ /dev/null @@ -1,152 +0,0 @@ -/* - * 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. - */ - -/* - * Description: This implements a pseudo racey thread which drives ruby timing - * simulator with access to two shared arrays. - * - */ - -#ifndef RACEYPSEUDOTHREAD_H -#define RACEYPSEUDOTHREAD_H - -#include "mem/ruby/common/Global.hh" -#include "mem/ruby/tester/Tester_Globals.hh" -#include "mem/ruby/common/Consumer.hh" -#include "mem/ruby/system/NodeID.hh" -#include "mem/ruby/common/Address.hh" -#include "mem/ruby/libruby.hh" - -class RaceyDriver; - -class RaceyPseudoThread : public Consumer { -private: - // constants - static const int PRIME1 = 103072243; - static const int PRIME2 = 103995407; - static const int M_ELEM = 64; - - // m and sig array's starting address, - // each signature should occupy a cacheline - static const int SIG_ARR = 0; - static const int M_ARR = 0x10000; - static const int LINESIZE = 64; - - // get address of a element from the m and sig arrays - physical_address_t sig(unsigned index) { - assert(index < M_ARR/64); - return SIG_ARR + (index*64); - }; - physical_address_t m(unsigned index) { return M_ARR + (index*64); }; - -public: - // Constructors - RaceyPseudoThread(NodeID node, RaceyDriver& driver); - - // Destructor - ~RaceyPseudoThread(); - - // Public Methods - void performCallback(int proc, Address address, uint8_t * data); - - void wakeup(); - - integer_t getInstructionCount() { return m_ic_counter; }; - - unsigned getSignature() { assert(m_proc_id == 0); return m_final_sig; }; - - void checkForDeadlock(); - - // save and restore the thread state - void saveCPUStates(string filename); - void loadCPUStates(string filename); - - // reset IC to zero for next checkpoint - void resetIC() { m_ic_counter = 0; }; - - bool getInitializedState() { return m_initialized; }; - - void print(ostream& out) const; -private: - // Private Methods - - // mix two numbers - unsigned mix (unsigned i, unsigned j) { return (i + j * PRIME2) % PRIME1; }; - - // load or store the array - void load_sig(unsigned index); - void load_m(unsigned index); - void store_sig(unsigned index, unsigned value); - void store_m(unsigned index, unsigned value); - - // Private copy constructor and assignment operator - RaceyPseudoThread(const RaceyPseudoThread& obj); - RaceyPseudoThread& operator=(const RaceyPseudoThread& obj); - - // Data Members (m_ prefix) - RaceyDriver& m_driver; - NodeID m_proc_id; - - // are we done? - bool m_done; - - // [committed] instruction counter - int m_ic_counter; - - // last time we made progress - Time m_last_progress; - - // value of the callback block - bool m_read; - unsigned m_value; - - // final signature - unsigned m_final_sig; - - // local variables for the pseudo thread - int m_looper; - unsigned m_num, m_index1, m_index2, m_stop; - bool m_initialized; -}; - -// Output operator declaration -ostream& operator<<(ostream& out, const RaceyPseudoThread& obj); - -// ******************* Definitions ******************* - -// Output operator definition -extern inline -ostream& operator<<(ostream& out, const RaceyPseudoThread& obj) -{ - obj.print(out); - out << flush; - return out; -} - -#endif //RACEYPSEUDOTHREAD_H - |