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+/*
+ * Copyright (c) 2015 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
+ * OWNER 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.
+ *
+ * Authors: David Guillen Fandos
+ */
+
+#ifndef __SIM_THERMAL_DOMAIN_HH__
+#define __SIM_THERMAL_DOMAIN_HH__
+
+#include <vector>
+
+#include "base/statistics.hh"
+#include "params/ThermalDomain.hh"
+#include "sim/power/thermal_entity.hh"
+#include "sim/probe/probe.hh"
+#include "sim/sim_object.hh"
+#include "sim/sub_system.hh"
+
+class ThermalNode;
+
+/**
+ * A ThermalDomain is used to group objects under that operate under
+ * the same temperature. Theses domains can be tied together using thermal
+ * models (such as RC) to model temperature across components.
+ */
+class ThermalDomain : public SimObject, public ThermalEntity
+{
+  public:
+
+    typedef ThermalDomainParams Params;
+    ThermalDomain(const Params *p);
+
+    /**
+     * Get the startup temperature.
+     *
+     * @return Initial temperature of the domain
+     */
+    double initialTemperature() const { return _initTemperature; }
+
+    /**
+     * Get the current temperature.
+     *
+     * @return Initial temperature of the domain
+     */
+    double currentTemperature() const;
+
+    /** Set/Get circuit node associated with this domain */
+    void setNode(ThermalNode * n) { node = n; }
+    ThermalNode * getNode() const { return node; }
+
+    /** Get nodal equation imposed by this node */
+    LinearEquation getEquation(ThermalNode * tn, unsigned n,
+                               double step) const;
+
+    /**
+      *  Emit a temperature update through probe points interface
+      */
+    void emitUpdate();
+
+    /**
+      *  Set the SubSystem reference we belong to
+      */
+    void setSubSystem(SubSystem * ss);
+
+    void regStats();
+    void serialize(CheckpointOut &cp) const override;
+    void unserialize(CheckpointIn &cp) override;
+
+  private:
+    double _initTemperature;
+    ThermalNode * node;
+    SubSystem * subsystem;
+
+    /** Stat for reporting voltage of the domain */
+    Stats::Value currentTemp;
+
+    /** Probe to signal for temperature changes in this domain */
+    ProbePointArg<double> *ppThermalUpdate;
+
+};
+
+#endif