| /* |
| * Copyright (c) 2002-2005 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. |
| */ |
| |
| #ifndef __CPU_MEMTEST_MEMTEST_HH__ |
| #define __CPU_MEMTEST_MEMTEST_HH__ |
| |
| #include <set> |
| |
| #include "base/statistics.hh" |
| #include "mem/functional/functional.hh" |
| #include "mem/mem_interface.hh" |
| #include "sim/eventq.hh" |
| #include "sim/sim_exit.hh" |
| #include "sim/sim_object.hh" |
| #include "sim/stats.hh" |
| |
| class ExecContext; |
| class MemTest : public SimObject |
| { |
| public: |
| |
| MemTest(const std::string &name, |
| MemInterface *_cache_interface, |
| FunctionalMemory *main_mem, |
| FunctionalMemory *check_mem, |
| unsigned _memorySize, |
| unsigned _percentReads, |
| unsigned _percentCopies, |
| unsigned _percentUncacheable, |
| unsigned _progressInterval, |
| unsigned _percentSourceUnaligned, |
| unsigned _percentDestUnaligned, |
| Addr _traceAddr, |
| Counter _max_loads); |
| |
| // register statistics |
| virtual void regStats(); |
| |
| inline Tick cycles(int numCycles) const { return numCycles; } |
| |
| // main simulation loop (one cycle) |
| void tick(); |
| |
| protected: |
| class TickEvent : public Event |
| { |
| private: |
| MemTest *cpu; |
| public: |
| TickEvent(MemTest *c) |
| : Event(&mainEventQueue, CPU_Tick_Pri), cpu(c) {} |
| void process() {cpu->tick();} |
| virtual const char *description() { return "tick event"; } |
| }; |
| |
| TickEvent tickEvent; |
| |
| MemInterface *cacheInterface; |
| FunctionalMemory *mainMem; |
| FunctionalMemory *checkMem; |
| ExecContext *xc; |
| |
| unsigned size; // size of testing memory region |
| |
| unsigned percentReads; // target percentage of read accesses |
| unsigned percentCopies; // target percentage of copy accesses |
| unsigned percentUncacheable; |
| |
| int id; |
| |
| std::set<unsigned> outstandingAddrs; |
| |
| unsigned blockSize; |
| |
| Addr blockAddrMask; |
| |
| Addr blockAddr(Addr addr) |
| { |
| return (addr & ~blockAddrMask); |
| } |
| |
| Addr traceBlockAddr; |
| |
| Addr baseAddr1; // fix this to option |
| Addr baseAddr2; // fix this to option |
| Addr uncacheAddr; |
| |
| unsigned progressInterval; // frequency of progress reports |
| Tick nextProgressMessage; // access # for next progress report |
| |
| unsigned percentSourceUnaligned; |
| unsigned percentDestUnaligned; |
| |
| Tick noResponseCycles; |
| |
| uint64_t numReads; |
| uint64_t maxLoads; |
| Stats::Scalar<> numReadsStat; |
| Stats::Scalar<> numWritesStat; |
| Stats::Scalar<> numCopiesStat; |
| |
| // called by MemCompleteEvent::process() |
| void completeRequest(MemReqPtr &req, uint8_t *data); |
| |
| friend class MemCompleteEvent; |
| }; |
| |
| |
| class MemCompleteEvent : public Event |
| { |
| MemReqPtr req; |
| uint8_t *data; |
| MemTest *tester; |
| |
| public: |
| |
| MemCompleteEvent(MemReqPtr &_req, uint8_t *_data, MemTest *_tester) |
| : Event(&mainEventQueue), |
| req(_req), data(_data), tester(_tester) |
| { |
| } |
| |
| void process(); |
| |
| virtual const char *description(); |
| }; |
| |
| #endif // __CPU_MEMTEST_MEMTEST_HH__ |
| |
| |
| |