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/*******************************************************************************
* Copyright (c) 2012-2013, The Microsystems Design Labratory (MDL)
* Department of Computer Science and Engineering, The Pennsylvania State University
* Exascale Computing Lab, Hewlett-Packard Company
* All rights reserved.
*
* This source code is part of NVSim - An area, timing and power model for both
* volatile (e.g., SRAM, DRAM) and non-volatile memory (e.g., PCRAM, STT-RAM, ReRAM,
* SLC NAND Flash). The source code is free and you can redistribute and/or modify it
* by providing that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2) 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
* 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 HOLDER 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.
*
* Author list:
* Cong Xu ( Email: czx102 at psu dot edu
* Website: http://www.cse.psu.edu/~czx102/ )
* Xiangyu Dong ( Email: xydong at cse dot psu dot edu
* Website: http://www.cse.psu.edu/~xydong/ )
*******************************************************************************/
#ifndef MAT_H_
#define MAT_H_
#include "FunctionUnit.h"
#include "SubArray.h"
#include "PredecodeBlock.h"
#include "typedef.h"
#include "Comparator.h"
class Mat: public FunctionUnit {
public:
Mat();
virtual ~Mat();
/* Functions */
void PrintProperty();
void Initialize(int _numRowSubarray, int _numColumnSubarray, int _numAddressBit, long _numDataBit,
int _numWay, int _numRowPerSet, bool _split, int _numActiveSubarrayPerRow, int _numActiveSubarrayPerColumn,
int _muxSenseAmp, bool _internalSenseAmp, int _muxOutputLev1, int _muxOutputLev2,
BufferDesignTarget _areaOptimizationLevel, MemoryType _memoryType);
void CalculateArea();
void CalculateRC();
void CalculateLatency(double _rampInput);
void CalculatePower();
Mat & operator=(const Mat &);
/* Properties */
bool initialized; /* Initialization flag */
bool invalid; /* Indicate that the current configuration is not valid, pass down to all the sub-components */
bool internalSenseAmp;
int numRowSubarray; /* Number of subarray rows in a mat */
int numColumnSubarray; /* Number of subarray columns in a mat */
int numAddressBit; /* Number of mat address bits */
long numDataBit; /* Number of mat data bits */
int numWay; /* Number of cache ways distributed to this mat, non-cache it is 1 */
int numRowPerSet; /* For cache design, the number of wordlines which a set is partitioned into */
bool split; /* Whether the row decoder is at the middle of subarrays */
int numActiveSubarrayPerRow; /* For different access types */
int numActiveSubarrayPerColumn; /* For different access types */
int muxSenseAmp; /* How many bitlines connect to one sense amplifier */
int muxOutputLev1; /* How many sense amplifiers connect to one output bit, level-1 */
int muxOutputLev2; /* How many sense amplifiers connect to one output bit, level-2 */
BufferDesignTarget areaOptimizationLevel;
MemoryType memoryType;
double predecoderLatency; /* The maximum latency of all the predecoder blocks, Unit: s */
SubArray subarray;
PredecodeBlock rowPredecoderBlock1;
PredecodeBlock rowPredecoderBlock2;
PredecodeBlock bitlineMuxPredecoderBlock1;
PredecodeBlock bitlineMuxPredecoderBlock2;
PredecodeBlock senseAmpMuxLev1PredecoderBlock1;
PredecodeBlock senseAmpMuxLev1PredecoderBlock2;
PredecodeBlock senseAmpMuxLev2PredecoderBlock1;
PredecodeBlock senseAmpMuxLev2PredecoderBlock2;
Comparator comparator;
};
#endif /* MAT_H_ */