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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* Copyright (c) 2009 Advanced Micro Devices, Inc.
* 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_RUBYTEST_RUBYTESTER_HH__
#define __CPU_RUBYTEST_RUBYTESTER_HH__
#include <iostream>
#include <string>
#include <vector>
#include "cpu/testers/rubytest/CheckTable.hh"
#include "mem/ruby/common/Global.hh"
#include "mem/ruby/common/SubBlock.hh"
#include "mem/ruby/system/RubyPort.hh"
#include "mem/mem_object.hh"
#include "mem/packet.hh"
#include "params/RubyTester.hh"
class RubyTester : public MemObject
{
public:
class CpuPort : public MasterPort
{
private:
RubyTester *tester;
public:
//
// Currently, each instatiation of the RubyTester::CpuPort supports
// only instruction or data requests, not both. However, for those
// RubyPorts that support both types of requests, separate InstOnly
// and DataOnly CpuPorts will map to that RubyPort
//
enum Type
{
// Port supports only instruction requests
InstOnly,
// Port supports only data requests
DataOnly
};
CpuPort(const std::string &_name, RubyTester *_tester, int _idx,
Type _type)
: MasterPort(_name, _tester), tester(_tester), idx(_idx),
type(_type)
{}
int idx;
Type type;
protected:
virtual bool recvTiming(PacketPtr pkt);
virtual void recvRetry()
{ panic("%s does not expect a retry\n", name()); }
};
struct SenderState : public Packet::SenderState
{
SubBlock* subBlock;
Packet::SenderState *saved;
SenderState(Address addr, int size,
Packet::SenderState *sender_state = NULL)
: saved(sender_state)
{
subBlock = new SubBlock(addr, size);
}
~SenderState()
{
delete subBlock;
}
};
typedef RubyTesterParams Params;
RubyTester(const Params *p);
~RubyTester();
virtual MasterPort &getMasterPort(const std::string &if_name,
int idx = -1);
MasterPort* getReadableCpuPort(int idx);
MasterPort* getWritableCpuPort(int idx);
virtual void init();
void wakeup();
void incrementCheckCompletions() { m_checks_completed++; }
void printStats(std::ostream& out) const {}
void clearStats() {}
void printConfig(std::ostream& out) const {}
void print(std::ostream& out) const;
bool getCheckFlush() { return m_check_flush; }
MasterID masterId() { return _masterId; }
protected:
class CheckStartEvent : public Event
{
private:
RubyTester *tester;
public:
CheckStartEvent(RubyTester *_tester)
: Event(CPU_Tick_Pri), tester(_tester)
{}
void process() { tester->wakeup(); }
virtual const char *description() const { return "RubyTester tick"; }
};
CheckStartEvent checkStartEvent;
MasterID _masterId;
private:
void hitCallback(NodeID proc, SubBlock* data);
void checkForDeadlock();
// Private copy constructor and assignment operator
RubyTester(const RubyTester& obj);
RubyTester& operator=(const RubyTester& obj);
CheckTable* m_checkTable_ptr;
std::vector<Time> m_last_progress_vector;
int m_num_cpus;
uint64 m_checks_completed;
std::vector<CpuPort*> writePorts;
std::vector<CpuPort*> readPorts;
uint64 m_checks_to_complete;
int m_deadlock_threshold;
int m_num_writers;
int m_num_readers;
int m_wakeup_frequency;
bool m_check_flush;
int m_num_inst_ports;
};
inline std::ostream&
operator<<(std::ostream& out, const RubyTester& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __CPU_RUBYTEST_RUBYTESTER_HH__
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