86b1c0fd54
This patch removes the use of g_system_ptr for event scheduling. Each consumer object now needs to specify upfront an EventManager object it would use for scheduling events. This makes the ruby memory system more amenable for a multi-threaded simulation.
52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
/*
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* Copyright (c) 2012 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mem/ruby/common/Consumer.hh"
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/system/System.hh"
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void
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Consumer::scheduleEvent(Time timeDelta)
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{
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scheduleEventAbsolute(timeDelta + g_system_ptr->getTime());
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}
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void
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Consumer::scheduleEventAbsolute(Time timeAbs)
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{
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Tick evt_time = g_system_ptr->clockPeriod() * timeAbs;
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if (!alreadyScheduled(evt_time)) {
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// This wakeup is not redundant
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ConsumerEvent *evt = new ConsumerEvent(this);
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assert(timeAbs > g_system_ptr->getTime());
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em->schedule(evt, evt_time);
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insertScheduledWakeupTime(evt_time);
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}
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}
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