src/mem/drampower.hh

/*
 * Copyright (c) 2014 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
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 * modified or unmodified, in source code or in binary form.
 *
 * 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
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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/**
 * @file
 * DRAMPower declaration
 */

#ifndef __MEM_DRAM_POWER_HH__
#define __MEM_DRAM_POWER_HH__

#include "libdrampower/LibDRAMPower.h"
#include "params/DRAMInterface.hh"

namespace gem5
{

/**
 * DRAMPower is a standalone tool which calculates the power consumed by a
 * DRAM in the system. This class wraps the DRAMPower library.
 */
class DRAMPower
{

 private:

    /**
     * Transform the architechture parameters defined in
     * DRAMInterfaceParams to the memSpec of DRAMPower
     */
    static Data::MemArchitectureSpec getArchParams(
                                     const DRAMInterfaceParams &p);

    /**
     * Transforms the timing parameters defined in DRAMInterfaceParams to
     * the memSpec of DRAMPower
     */
    static Data::MemTimingSpec getTimingParams(const DRAMInterfaceParams &p);

    /**
     * Transforms the power and current parameters defined in
     * DRAMInterfaceParams to the memSpec of DRAMPower
     */
    static Data::MemPowerSpec getPowerParams(const DRAMInterfaceParams &p);

    /**
     * Determine data rate, either one or two.
     */
    static uint8_t getDataRate(const DRAMInterfaceParams &p);

    /**
     * Determine if DRAM has two voltage domains (or one)
     */
    static bool hasTwoVDD(const DRAMInterfaceParams &p);

    /**
     * Return an instance of MemSpec based on the DRAMInterfaceParams
     */
    static Data::MemorySpecification getMemSpec(const DRAMInterfaceParams &p);

 public:

    // Instance of DRAMPower Library
    libDRAMPower powerlib;

    DRAMPower(const DRAMInterfaceParams &p, bool include_io);

};

} // namespace gem5

#endif //__MEM_DRAM_POWER_HH__