MemorySystem.h

/*********************************************************************************
*  Copyright (c) 2010-2011, Elliott Cooper-Balis
*                             Paul Rosenfeld
*                             Bruce Jacob
*                             University of Maryland 
*                             dramninjas [at] gmail [dot] com
*  All rights reserved.
*  
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*  modification, are permitted provided that the following conditions are met:
*  
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*        this list of conditions and the following disclaimer.
*  
*     * Redistributions in binary form must reproduce the above copyright notice,
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*        and/or other materials provided with the distribution.
*  
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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#ifndef MEMORYSYSTEM_H
#define MEMORYSYSTEM_H

//MemorySystem.h
//
//Header file for JEDEC memory system wrapper
//
#include <iostream>
#include <deque>
#include <vector>
#include "Callback.h"
#include "SimulatorObject.h"

using std::ostream; 
using std::deque; 
using std::vector; 

namespace DRAMSim
{
typedef void (*powerCallBack_t)(double bgpower, double burstpower, double refreshpower, double actprepower);
typedef CallbackBase<void,unsigned,uint64_t,uint64_t> Callback_t;
class Config; 
class CSVWriter; 
class Rank; 
class Transaction; 
class MemoryController;

class MemorySystem : public SimulatorObject
{
public:
	//functions
	MemorySystem(unsigned id, unsigned megsOfMemory, Config &cfg_, CSVWriter &csvOut_, ostream &dramsim_log_);
	virtual ~MemorySystem();
	void update();
	bool addTransaction(Transaction *trans);
	bool addTransaction(bool isWrite, uint64_t addr);
	void printStats(bool finalStats);
	bool WillAcceptTransaction();
	void RegisterCallbacks(
	    Callback_t *readDone,
	    Callback_t *writeDone,
	    void (*reportPower)(double bgpower, double burstpower, double refreshpower, double actprepower));

	//fields
	Config &cfg; 
	ostream &dramsim_log;
	MemoryController *memoryController;
	vector<Rank *> *ranks;
	deque<Transaction *> pendingTransactions; 


	//function pointers
	Callback_t* ReturnReadData;
	Callback_t* WriteDataDone;
	//TODO: make this a functor as well?
	static powerCallBack_t ReportPower;
	unsigned systemID;

private:
	CSVWriter &csvOut;
};
}

#endif