system.hh

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为模拟平台

/*
 * Copyright (c) 2004, 2005
 * 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 authorizationfi.
 *
 * 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: Benjamin S. Nash
 */

#ifndef __ARCH_ALPHA_FREEBSD_SYSTEM_HH__
#define __ARCH_ALPHA_FREEBSD_SYSTEM_HH__

#include "arch/alpha/system.hh"
#include "kern/system_events.hh"
#include "params/FreebsdAlphaSystem.hh"
#include "sim/system.hh"

class FreebsdAlphaSystem : public AlphaSystem
{
  private:
    class SkipCalibrateClocksEvent : public SkipFuncEvent
    {
      public:
        SkipCalibrateClocksEvent(PCEventQueue *q, const std::string &desc,
                                 Addr addr)
            : SkipFuncEvent(q, desc, addr) {}
        virtual void process(ThreadContext *tc);
    };

    SkipFuncEvent *skipDelayEvent;
    SkipCalibrateClocksEvent *skipCalibrateClocks;

  public:
    typedef FreebsdAlphaSystemParams Params;
    FreebsdAlphaSystem(Params *p);
    ~FreebsdAlphaSystem();

    void doCalibrateClocks(ThreadContext *tc);

};

#endif // __ARCH_ALPHA_FREEBSD_SYSTEM_HH__