Consumer.cc revision 9206:f6483789d23a
1/* 2 * Copyright (c) 2012 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include "mem/ruby/common/Consumer.hh" 30#include "mem/ruby/common/Global.hh" 31#include "mem/ruby/system/System.hh" 32 33void 34Consumer::scheduleEvent(Time timeDelta) 35{ 36 scheduleEvent(g_system_ptr, timeDelta); 37} 38 39void 40Consumer::scheduleEvent(EventManager *em, Time timeDelta) 41{ 42 scheduleEventAbsolute(em, timeDelta + g_system_ptr->getTime()); 43} 44 45void 46Consumer::scheduleEventAbsolute(Time timeAbs) 47{ 48 scheduleEventAbsolute(g_system_ptr, timeAbs); 49} 50 51void 52Consumer::scheduleEventAbsolute(EventManager *em, Time timeAbs) 53{ 54 Tick evt_time = g_system_ptr->clockPeriod() * timeAbs; 55 if (!alreadyScheduled(evt_time)) { 56 // This wakeup is not redundant 57 ConsumerEvent *evt = new ConsumerEvent(this); 58 assert(timeAbs > g_system_ptr->getTime()); 59 60 em->schedule(evt, evt_time); 61 insertScheduledWakeupTime(evt_time); 62 } 63} 64