112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
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* controller_state.cpp
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*
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* Created on: Mar 5, 2014
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* Author: jonny
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*/
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#include "ControllerState.h"
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#include <algorithm>
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#include "TimingCalculation.h"
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namespace core {
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const ScheduledCommand ControllerState::getLastCommand(Command command, Bank bank) //TODO const reference? and make const
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{
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return lastCommandsOnBus[command][bank];
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}
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const ScheduledCommand ControllerState::getLastCommand(Command command)
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{
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ScheduledCommand max;
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for (unsigned int i = 0; i < config->NumberOfBanks; ++i)
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{
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ScheduledCommand current = getLastCommand(command, Bank(i));
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if (current.getStart() > max.getStart())
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max = current;
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}
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return max;
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}
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const ScheduledCommand ControllerState::getLastScheduledCommand()
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{
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ScheduledCommand lastCommand;
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for(Command cmd : getAllCommands())
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{
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for(Bank bank : Configuration::getInstance().getBanks())
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{
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ScheduledCommand& current = lastCommandsOnBus[cmd][bank];
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if (current.getStart() > lastCommand.getStart())
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lastCommand = current;
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}
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}
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return lastCommand;
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}
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const ScheduledCommand ControllerState::getLastScheduledCommand(Bank bank)
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{
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ScheduledCommand lastCommand;
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for(Command cmd : getAllCommands())
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{
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ScheduledCommand& current = lastCommandsOnBus[cmd][bank];
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if (current.getStart() > lastCommand.getStart())
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lastCommand = current;
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}
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return lastCommand;
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}
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void ControllerState::change(const ScheduledCommand& scheduledCommand)
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{
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//TODO double check if slot free?
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bus.blockSlot(scheduledCommand.getStart());
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lastCommandsOnBus[scheduledCommand.getCommand()][scheduledCommand.getBank()] = scheduledCommand;
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switch (scheduledCommand.getCommand())
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{
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case Command::Read:
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lastDataStrobeCommands.emplace_back(scheduledCommand);
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break;
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case Command::ReadA:
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bankStates.closeRowBuffer(scheduledCommand.getBank());
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lastDataStrobeCommands.emplace_back(scheduledCommand);
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break;
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case Command::Write:
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lastDataStrobeCommands.emplace_back(scheduledCommand);
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break;
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case Command::WriteA:
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bankStates.closeRowBuffer(scheduledCommand.getBank());
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lastDataStrobeCommands.emplace_back(scheduledCommand);
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break;
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case Command::AutoRefresh:
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break;
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case Command::Activate:
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bankStates.openRowInRowBuffer(scheduledCommand.getBank(), scheduledCommand.getRow());
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lastActivates.emplace(scheduledCommand.getStart(), scheduledCommand.getBank());
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break;
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case Command::Precharge:
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bankStates.closeRowBuffer(scheduledCommand.getBank());
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break;
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case Command::PrechargeAll:
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bankStates.closeAllRowBuffers();
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break;
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default:
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break;
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}
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}
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void ControllerState::cleanUp(sc_time time)
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{
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bus.cleanUpSlots(time);
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lastDataStrobeCommands.remove_if([&](ScheduledCommand command){return command.getEnd() < time && getDistance(command.getEnd(), time) > config->Timings.tDataStrobeHistory();});
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lastActivates.erase(lastActivates.begin(), lastActivates.lower_bound(time - config->Timings.tActHistory()));
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}
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} /* namespace controller */
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