VIPERCoalescer.hh

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/*
 * Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
 * All rights reserved.
 *
 * For use for simulation and test purposes only
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 * modification, are permitted provided that the following conditions are met:
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 * this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
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 * software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef __MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__
#define __MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__

#include <iostream>

#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Consumer.hh"
#include "mem/ruby/protocol/PrefetchBit.hh"
#include "mem/ruby/protocol/RubyAccessMode.hh"
#include "mem/ruby/protocol/RubyRequestType.hh"
#include "mem/ruby/system/GPUCoalescer.hh"
#include "mem/ruby/system/RubyPort.hh"

class DataBlock;
class CacheMsg;
class MachineID;
class CacheMemory;

class VIPERCoalescerParams;

class VIPERCoalescer : public GPUCoalescer
{
  public:
    typedef VIPERCoalescerParams Params;
    VIPERCoalescer(const Params *);
    ~VIPERCoalescer();
    void wbCallback(Addr address);
    void invCallback(Addr address);
    RequestStatus makeRequest(PacketPtr pkt);
  private:
    void invL1();
    void wbL1();
    void invwbL1();
    uint64_t m_outstanding_inv;
    uint64_t m_outstanding_wb;
    uint64_t m_max_inv_per_cycle;
    uint64_t m_max_wb_per_cycle;
};
#endif //__MEM_RUBY_SYSTEM_VIPERCOALESCER_HH__