92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/*
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* Copyright (c) 2021, RPTU Kaiserslautern-Landau
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Lukas Steiner
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*/
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#ifndef REFRESHMANAGERPER2BANK_H
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#define REFRESHMANAGERPER2BANK_H
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#include "DRAMSys/controller/refresh/RefreshManagerIF.h"
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#include "DRAMSys/controller/checker/CheckerIF.h"
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#include "DRAMSys/configuration/memspec/MemSpec.h"
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#include "DRAMSys/configuration/Configuration.h"
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#include <vector>
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#include <list>
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#include <unordered_map>
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#include <systemc>
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#include <tlm>
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namespace DRAMSys
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{
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class BankMachine;
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class PowerDownManagerIF;
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class RefreshManagerPer2Bank final : public RefreshManagerIF
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{
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public:
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RefreshManagerPer2Bank(const Configuration& config, std::vector<BankMachine*>& bankMachinesOnRank,
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PowerDownManagerIF& powerDownManager, Rank rank);
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CommandTuple::Type getNextCommand() override;
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void evaluate() override;
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void update(Command) override;
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sc_core::sc_time getTimeForNextTrigger() override;
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private:
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enum class State {Regular, Pulledin} state = State::Regular;
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const MemSpec& memSpec;
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PowerDownManagerIF& powerDownManager;
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std::unordered_map<BankMachine*, tlm::tlm_generic_payload> refreshPayloads;
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tlm::tlm_generic_payload* currentRefreshPayload;
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sc_core::sc_time timeForNextTrigger = sc_core::sc_max_time();
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Command nextCommand = Command::NOP;
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std::list<std::vector<BankMachine*>> remainingBankMachines;
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std::list<std::vector<BankMachine*>> allBankMachines;
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std::list<std::vector<BankMachine*>>::iterator currentIterator;
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int flexibilityCounter = 0;
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const int maxPostponed = 0;
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const int maxPulledin = 0;
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bool sleeping = false;
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bool skipSelection = false;
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const sc_core::sc_time scMaxTime = sc_core::sc_max_time();
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};
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} // namespace DRAMSys
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#endif // REFRESHMANAGERPER2BANK_H
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