| /* |
| * Copyright (c) 2015, 2021 Arm Limited |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * 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; |
| * neither the name of the copyright holders 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 |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| */ |
| |
| #include "sim/power/thermal_domain.hh" |
| |
| #include <algorithm> |
| |
| #include "base/statistics.hh" |
| #include "debug/ThermalDomain.hh" |
| #include "params/ThermalDomain.hh" |
| #include "sim/clocked_object.hh" |
| #include "sim/linear_solver.hh" |
| #include "sim/power/thermal_model.hh" |
| #include "sim/probe/probe.hh" |
| #include "sim/sub_system.hh" |
| |
| ThermalDomain::ThermalDomain(const Params &p) |
| : SimObject(p), _initTemperature(p.initial_temperature), |
| node(NULL), subsystem(NULL), |
| ADD_STAT(currentTemp, statistics::units::DegreeCelsius::get(), "Temperature") |
| { |
| currentTemp |
| .functor([this]() { return currentTemperature().toCelsius(); }); |
| } |
| |
| Temperature |
| ThermalDomain::currentTemperature() const |
| { |
| return node->temp; |
| } |
| |
| void |
| ThermalDomain::setSubSystem(SubSystem * ss) |
| { |
| assert(!this->subsystem); |
| this->subsystem = ss; |
| |
| ppThermalUpdate = new ProbePointArg<Temperature>( |
| subsystem->getProbeManager(), "thermalUpdate"); |
| } |
| |
| void |
| ThermalDomain::emitUpdate() |
| { |
| ppThermalUpdate->notify(node->temp); |
| } |
| |
| |
| LinearEquation |
| ThermalDomain::getEquation(ThermalNode * tn, unsigned n, double step) const |
| { |
| LinearEquation eq(n); |
| double power = subsystem->getDynamicPower() + subsystem->getStaticPower(); |
| if (tn == node) |
| eq[eq.cnt()] = power; |
| return eq; |
| } |