Rank.h

/*********************************************************************************
*  Copyright (c) 2010-2011, Elliott Cooper-Balis
*                             Paul Rosenfeld
*                             Bruce Jacob
*                             University of Maryland 
*                             dramninjas [at] gmail [dot] com
*  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.
*  
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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#ifndef RANK_H
#define RANK_H

#include "SimulatorObject.h"
#include "BusPacket.h"
#include "SystemConfiguration.h"
#include "BankState.h"

using namespace std;
using namespace DRAMSim;

namespace DRAMSim
{
class MemoryController; //forward declaration
class Rank : public SimulatorObject
{
public:
  Rank();
  virtual ~Rank(); 
  void receiveFromBus(BusPacket *packet);

  // this must be called before any other functions are called
  void attachMemoryController(MemoryController *mc) { this->memoryController = mc; };

  int getId() const { return id; };
  void setId(int id) { this->id = id; };

  void update();
  void powerUp();
  void powerDown();
  
private:
  int id;
  unsigned incomingWriteBank;
  unsigned incomingWriteRow;
  unsigned incomingWriteColumn;
  bool isPowerDown;

public:
  MemoryController *memoryController;
  BusPacket *outgoingDataPacket;
  unsigned dataCyclesLeft;
  bool refreshWaiting;
  
  //these are vectors so that each element is per-bank
  vector<BusPacket*> readReturnPacket;
  vector<unsigned> readReturnCountdown;
  vector<BankState> bankStates;
};
}
#endif