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/*
* Copyright (c) 2001-2005 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.
*
* Authors: Daniel Sanchez
*/
#ifndef __RUBY_MEMORY_HH__
#define __RUBY_MEMORY_HH__
#include <map>
#include "mem/physical.hh"
#include "params/RubyMemory.hh"
#include "base/callback.hh"
#include "mem/ruby/common/Driver.hh"
class RubyMemory : public PhysicalMemory, public Driver
{
class RubyMemoryPort : public MemoryPort
{
RubyMemory* ruby_mem;
public:
RubyMemoryPort(const std::string &_name, RubyMemory *_memory);
void sendTiming(PacketPtr pkt);
protected:
virtual bool recvTiming(PacketPtr pkt);
};
class RubyEvent : public Event
{
RubyMemory *ruby_ptr;
public:
RubyEvent(RubyMemory *p)
: Event(), ruby_ptr(p) {}
virtual void process() { ruby_ptr->tick(); }
virtual const char *description() const { return "ruby tick"; }
};
private:
// prevent copying of a RubyMemory object
RubyMemory(const RubyMemory &specmem);
const RubyMemory &operator=(const RubyMemory &specmem);
RubyEvent* rubyTickEvent;
public:
typedef RubyMemoryParams Params;
RubyMemory(const Params *p);
virtual ~RubyMemory();
public:
virtual Port *getPort(const std::string &if_name, int idx = -1);
void virtual init();
//Ruby-related specifics
void printConfigStats(); //dsm: Maybe this function should disappear once the configuration options change & M5 determines the stats file to use
void hitCallback(Packet* pkt); // called by the Ruby sequencer
void printStats(std::ostream & out) const;
void clearStats();
void printConfig(std::ostream & out) const;
void tick();
private:
//Parameters passed
std::string config_file, config_options, stats_file, debug_file;
bool debug;
int num_cpus;
Tick ruby_clock, ruby_phase;
std::map<Packet*, RubyMemoryPort*> m_packet_to_port_map;
};
class RubyExitCallback : public Callback
{
private:
RubyMemory* ruby;
public:
/**
* virtualize the destructor to make sure that the correct one
* gets called.
*/
virtual ~RubyExitCallback() {};
RubyExitCallback(RubyMemory* rm) {ruby=rm;};
/**
* virtual process function that is invoked when the callback
* queue is executed.
*/
virtual void process() {ruby->printConfigStats(); /*delete ruby; was doing double delete...*/};
};
#endif //__RUBY_MEMORY_HH__
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