MultiChannelMemorySystem.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:
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*        this list of conditions and the following disclaimer.
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*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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#include <atomic>

#include "SimulatorObject.h"
#include "Transaction.h"
#include "SystemConfiguration.h"
#include "MemorySystem.h"
#include "IniReader.h"
#include "Stats.h"

namespace HBMDRAMSim { 
class MultiChannelMemorySystem : public SimulatorObject 
{
  public: 
    MultiChannelMemorySystem(const string &dev, const string &sys, const string &pwd, unsigned 
        megsOfMemory);
    virtual ~MultiChannelMemorySystem();
    bool addTransaction(bool isWrite, uint64_t addr);
    bool willAcceptTransaction(uint64_t addr); 
    void update();
    void printStats(bool finalStats=false);
    void RegisterCallbacks(TransactionCompleteCB *readDone,
                           TransactionCompleteCB *writeDone,
                           void (*reportPower)(double bgpower,
                                               double burstpower,
                                               double refreshpower,
                                               double actprepower));

    // SST Statistics
    bool getStats( double *stat, DSIM_STAT metric );
    bool getStats( uint64_t *stat, DSIM_STAT metric );

  private:
    unsigned findChannelNumber(uint64_t addr);

  private:
    vector<MemorySystem*> channels; 
    unsigned stackID;
    string deviceIniFilename;
    string systemIniFilename;
    string pwd;
    unsigned megsOfMemory; 

  private:
    static std::atomic<int> stackCount;
}; //class MultiChannelMemorySystem
} //namespace HBMDRAMSim