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-/*
- * 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;
- CPUExecContext *cpuXC;
-
- 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__
-
-
-