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/*
* Copyright (c) 2012-2014, TU Delft
* Copyright (c) 2012-2014, TU Eindhoven
* Copyright (c) 2012-2016, TU Kaiserslautern
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided 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.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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.
*
* Authors: Subash Kannoth, Matthias Jung, Éder F. Zulian
*
*/
#include "MemBankWiseParams.h"
using namespace Data;
/**
* Sets the default bankwise configurations.
*/
MemBankWiseParams::MemBankWiseParams():
bwPowerFactRho(100),
bwPowerFactSigma(100),
bwMode(false),
flgPASR(false)
{
}
/**
* Sets all the bankwise parameters required in bankwise mode
*/
MemBankWiseParams::MemBankWiseParams(int64_t factRho, int64_t factSigma,
bool hasPASR, int64_t pasrMode,
bool opMode, unsigned nbrofBanks)
{
bwPowerFactRho = factRho;
bwPowerFactSigma = factSigma;
bwMode = opMode;
flgPASR = hasPASR;
///////////////////////////////////////////////////////////
// Activate banks for self refresh based on the PASR mode
// ACTIVE - X
// NOT ACTIVE - 0
///////////////////////////////////////////////////////////
switch(pasrMode){
case(PASR_0):{
// PASR MODE 0
// FULL ARRAY
// |X X X X |
// |X X X X |
activeBanks.resize(nbrofBanks);
std::iota(activeBanks.begin(), activeBanks.end(), 0);
break;
}
case(PASR_1):{
// PASR MODE 1
// (1/2) ARRAY
// |X X X X |
// |0 0 0 0 |
activeBanks.resize(nbrofBanks - 4);
std::iota(activeBanks.begin(), activeBanks.end(), 0);
break;
}
case(PASR_2):{
// PASR MODE 2
// (1/4) ARRAY
// |X X 0 0 |
// |0 0 0 0 |
activeBanks.resize(nbrofBanks - 6);
std::iota(activeBanks.begin(), activeBanks.end(), 0);
break;
}
case(PASR_3):{
// PASR MODE 3
// (1/8) ARRAY
// |X 0 0 0 |
// |0 0 0 0 |
activeBanks.resize(nbrofBanks - 7);
std::iota(activeBanks.begin(), activeBanks.end(), 0);
break;
}
case(PASR_4):{
// PASR MODE 4
// (3/4) ARRAY
// |0 0 X X |
// |X X X X |
activeBanks.resize(nbrofBanks - 2);
std::iota(activeBanks.begin(), activeBanks.end(), 2);
break;
}
case(PASR_5):{
// PASR MODE 5
// (1/2) ARRAY
// |0 0 0 0 |
// |X X X X |
activeBanks.resize(nbrofBanks - 4);
std::iota(activeBanks.begin(), activeBanks.end(), 4);
break;
}
case(PASR_6):{
// PASR MODE 6
// (1/4) ARRAY
// |0 0 0 0 |
// |0 0 X X |
activeBanks.resize(nbrofBanks - 6);
std::iota(activeBanks.begin(), activeBanks.end(), 6);
break;
}
case(PASR_7):{
// PASR MODE 7
// (1/8) ARRAY
// |0 0 0 0 |
// |0 0 0 X |
activeBanks.resize(nbrofBanks - 7);
std::iota(activeBanks.begin(), activeBanks.end(), 7);
break;
}
default:{
// PASR MODE 0
// FULL ARRAY
// |X X X X |
// |X X X X |
activeBanks.resize(nbrofBanks);
std::iota(activeBanks.begin(), activeBanks.end(), 0);
break;
}
}
}
/**
* Returns true if the given bank is active under the current PASR mode.
*/
bool MemBankWiseParams::isBankActiveInPasr(const unsigned bankIdx) const
{
return (std::find(activeBanks.begin(), activeBanks.end(), bankIdx)
!= activeBanks.end());
}