Files
DRAMSys/DRAMSys/library/src/controller/refresh/RefreshManager.h
2019-10-02 21:55:19 +02:00

67 lines
2.4 KiB
C++

/*
* Copyright (c) 2019, University of 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.
*
* Author: Lukas Steiner
*/
#ifndef REFRESHMANAGER_H
#define REFRESHMANAGER_H
#include "RefreshManagerIF.h"
#include "../../configuration/memspec/MemSpec.h"
#include "../BankMachine.h"
#include "../checker/CheckerIF.h"
using namespace tlm;
class RefreshManager final : public RefreshManagerIF
{
public:
RefreshManager(std::vector<BankMachine *> &, Rank, CheckerIF *);
std::pair<Command, tlm_generic_payload *> getNextCommand();
sc_time startRefreshManager();
void updateState(Command, tlm_generic_payload *);
private:
enum class RmState {IDLE, PRECHARGED} state = RmState::IDLE;
const MemSpec *memSpec;
std::vector<BankMachine *> bankMachines;
tlm_generic_payload refreshPayload;
sc_time timeForNextTrigger;
sc_time timeToSchedule = SC_ZERO_TIME;
Rank rank;
CheckerIF *checker;
Command nextCommand;
};
#endif // REFRESHMANAGER_H