43232cdb9f
JIRA: https://gem5.atlassian.net/browse/GEM5-920 Change-Id: I62dc6656bbed4e7f4d575a6a82ac254382294ed1 Signed-off-by: Tiago Mück <tiago.muck@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41855 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Meatboy 106 <garbage2collector@gmail.com> Maintainer: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2020-2021 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.
|
|
*
|
|
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* This is the virtual base class of all classes that can be the
|
|
* targets of wakeup events. There is only two methods, wakeup() and
|
|
* print() and no data members.
|
|
*/
|
|
|
|
#ifndef __MEM_RUBY_COMMON_CONSUMER_HH__
|
|
#define __MEM_RUBY_COMMON_CONSUMER_HH__
|
|
|
|
#include <iostream>
|
|
#include <set>
|
|
|
|
#include "sim/clocked_object.hh"
|
|
|
|
namespace gem5
|
|
{
|
|
|
|
namespace ruby
|
|
{
|
|
|
|
class Consumer
|
|
{
|
|
public:
|
|
Consumer(ClockedObject *em,
|
|
Event::Priority ev_prio = Event::Default_Pri);
|
|
|
|
virtual
|
|
~Consumer()
|
|
{ }
|
|
|
|
virtual void wakeup() = 0;
|
|
virtual void print(std::ostream& out) const = 0;
|
|
virtual void storeEventInfo(int info) {}
|
|
|
|
bool
|
|
alreadyScheduled(Tick time)
|
|
{
|
|
return m_wakeup_ticks.find(time) != m_wakeup_ticks.end();
|
|
}
|
|
|
|
ClockedObject *
|
|
getObject()
|
|
{
|
|
return em;
|
|
}
|
|
|
|
void scheduleEventAbsolute(Tick timeAbs);
|
|
void scheduleEvent(Cycles timeDelta);
|
|
|
|
private:
|
|
std::set<Tick> m_wakeup_ticks;
|
|
EventFunctionWrapper m_wakeup_event;
|
|
ClockedObject *em;
|
|
|
|
void scheduleNextWakeup();
|
|
void processCurrentEvent();
|
|
};
|
|
|
|
|
|
inline std::ostream&
|
|
operator<<(std::ostream& out, const Consumer& obj)
|
|
{
|
|
obj.print(out);
|
|
out << std::flush;
|
|
return out;
|
|
}
|
|
|
|
} // namespace ruby
|
|
} // namespace gem5
|
|
|
|
#endif // __MEM_RUBY_COMMON_CONSUMER_HH__
|