18025343cd
Variables initialized. Variables removed with small changes in the code accordingly. Some warnings suppressed with __attribute__((unused)).
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/*
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* RefreshManager.cpp
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*
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* Created on: Mar 29, 2014
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* Author: robert
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*/
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#include "RefreshManager.h"
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#include "../ControllerCore.h"
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#include "../TimingCalculation.h"
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#include "../../../common/Utils.h"
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#include "../TimingCalculation.h"
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using namespace tlm;
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RefreshManager::RefreshManager(ControllerCore& controller) :
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controllerCore(controller), timing(controller.config.memSpec.refreshTimings[Bank(0)]), nextPlannedRefresh(SC_ZERO_TIME)
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{
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for (Bank bank : controller.getBanks())
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{
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setUpDummy(refreshPayloads[bank], bank);
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}
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planNextRefresh();
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}
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RefreshManager::~RefreshManager()
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{
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}
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bool RefreshManager::hasCollision(const ScheduledCommand& command)
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{
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return command.getStart() < controllerCore.state.getLastCommand(Command::AutoRefresh).getEnd() || command.getEnd() > nextPlannedRefresh;
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}
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void RefreshManager::scheduleRefresh(tlm::tlm_generic_payload& payload __attribute((unused)), sc_time time)
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{
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sc_assert(!isInvalidated(payload, time));
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if (!controllerCore.state.rowBufferStates.allRowBuffersAreClosed())
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{
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ScheduledCommand prechargeAllMaster(Command::PrechargeAll, time, getExecutionTime(Command::PrechargeAll, refreshPayloads[Bank(0)]),
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refreshPayloads[Bank(0)]);
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controllerCore.getCommandChecker(Command::PrechargeAll).delayToSatisfyConstraints(prechargeAllMaster);
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for (Bank bank : controllerCore.getBanks())
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{
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ScheduledCommand prechargeAll(Command::PrechargeAll, prechargeAllMaster.getStart(), prechargeAllMaster.getExecutionTime(),
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refreshPayloads[bank]);
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controllerCore.state.change(prechargeAll);
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controllerCore.controller.send(prechargeAll, refreshPayloads[bank]);
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}
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}
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ScheduledCommand refreshAllMaster(Command::AutoRefresh, time, getExecutionTime(Command::AutoRefresh, refreshPayloads[Bank(0)]),
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DramExtension::getExtension(refreshPayloads[Bank(0)]));
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controllerCore.getCommandChecker(Command::AutoRefresh).delayToSatisfyConstraints(refreshAllMaster);
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for (Bank bank : controllerCore.getBanks())
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{
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ScheduledCommand refresh(Command::AutoRefresh, refreshAllMaster.getStart(), refreshAllMaster.getExecutionTime(),refreshPayloads[bank]);
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controllerCore.state.change(refresh);
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controllerCore.controller.send(refresh, refreshPayloads[bank]);
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DramExtension::getExtension(refreshPayloads[bank]).incrementRow();
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}
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planNextRefresh();
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}
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void RefreshManager::planNextRefresh()
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{
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nextPlannedRefresh += timing.tREFI;
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controllerCore.controller.send(REFTrigger, nextPlannedRefresh, refreshPayloads[Bank(0)]);
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}
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void RefreshManager::reInitialize(Bank /*bank*/, sc_time time)
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{
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nextPlannedRefresh = clkAlign(time, Alignment::DOWN);
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planNextRefresh();
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}
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bool RefreshManager::isInvalidated(tlm::tlm_generic_payload& payload __attribute((unused)), sc_time time)
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{
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return nextPlannedRefresh > time;
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}
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