cpuevent.cc

来自「M5,一个功能强大的多处理器系统模拟器.很多针对处理器架构,性能的研究都使用它作」· CC 代码 · 共 63 行

/*
 * Copyright (c) 2006
 * The Regents of The University of Michigan
 * All Rights Reserved
 *
 * This code is part of the M5 simulator.
 *
 * Permission is granted to use, copy, create derivative works and
 * redistribute this software and such derivative works for any
 * purpose, so long as the copyright notice above, this grant of
 * permission, and the disclaimer below appear in all copies made; and
 * so long as the name of The University of Michigan is not used in
 * any advertising or publicity pertaining to the use or distribution
 * of this software without specific, written prior authorization.
 *
 * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
 * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
 * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
 * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
 * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGES.
 *
 * Authors: Ali Saidi
 */


#include "cpu/cpuevent.hh"

/** Static list of all CpuEvent objects so we can modify their thread
 * contexts as needed. */
CpuEvent::CpuEventList CpuEvent::cpuEventList;

CpuEvent::~CpuEvent()
{
    CpuEventList::iterator i;

    // delete the event from the global list
    for (i = cpuEventList.begin(); i != cpuEventList.end(); ) {
        if (*i == this)
            i = cpuEventList.erase(i);
        else
            i++;
    }
}

void
CpuEvent::replaceThreadContext(ThreadContext *oldTc, ThreadContext *newTc)
{
    CpuEventList::iterator i;

    // Update any events that have the old thread context with the new thread
    // context
    for (i = cpuEventList.begin(); i != cpuEventList.end(); i++) {
        if ((*i)->tc == oldTc)
            (*i)->tc = newTc;
    }
}