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+/*
+ * Copyright (c) 2015, University of Kaiserslautern
+ * Copyright (c) 2016, Dresden University of Technology (TU Dresden)
+ * 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.
+ *
+ * Authors: Matthias Jung
+ * Christian Menard
+ */
+
+#ifndef PAYLOAD_EVENT_H_
+#define PAYLOAD_EVENT_H_
+
+// TLM includes
+#include <tlm.h>
+
+// gem5 includes
+#include <sim/eventq.hh>
+
+namespace Gem5SystemC {
+/**
+ * A 'Fake Payload Event Queue', similar to the TLM PEQs. This helps the
+ * transactors to schedule events in gem5.
+ */
+template <typename OWNER>
+class PayloadEvent : public Event
+{
+ public:
+ OWNER& port;
+ const std::string eventName;
+ void (OWNER::*handler)(PayloadEvent<OWNER>* pe,
+ tlm::tlm_generic_payload& trans,
+ const tlm::tlm_phase& phase);
+
+ protected:
+ tlm::tlm_generic_payload* t;
+ tlm::tlm_phase p;
+
+ void process() { (port.*handler)(this, *t, p); }
+
+ public:
+ const std::string name() const { return eventName; }
+
+ PayloadEvent(OWNER& port_,
+ void (OWNER::*handler_)(PayloadEvent<OWNER>* pe,
+ tlm::tlm_generic_payload& trans,
+ const tlm::tlm_phase& phase),
+ const std::string& event_name)
+ : port(port_)
+ , eventName(event_name)
+ , handler(handler_)
+ {
+ }
+
+ /// Schedule an event into gem5
+ void notify(tlm::tlm_generic_payload& trans, const tlm::tlm_phase& phase,
+ const sc_core::sc_time& delay)
+ {
+ assert(!scheduled());
+
+ t = &trans;
+ p = phase;
+
+ /**
+ * Get time from SystemC as this will always be more up to date
+ * than gem5's
+ */
+ Tick nextEventTick = sc_core::sc_time_stamp().value() + delay.value();
+
+ port.owner.wakeupEventQueue(nextEventTick);
+ port.owner.schedule(this, nextEventTick);
+ }
+};
+}
+
+#endif