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/*
* Copyright (c) 2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MEM_RUBY_SYSTEM_ABSTRACTMEMORCACHE_HH__
#define __MEM_RUBY_SYSTEM_ABSTRACTMEMORCACHE_HH__
#include <iosfwd>
#include "mem/ruby/slicc_interface/Message.hh"
class Consumer;
class MemoryNode;
class AbstractMemOrCache
{
public:
virtual ~AbstractMemOrCache() {};
virtual void setConsumer(Consumer* consumer_ptr) = 0;
virtual Consumer* getConsumer() = 0;
virtual void enqueue (const MsgPtr& message, int latency) = 0;
virtual void enqueueMemRef (MemoryNode& memRef) = 0;
virtual void dequeue () = 0;
virtual const Message* peek () = 0;
virtual bool isReady () = 0;
virtual MemoryNode peekNode () = 0;
virtual bool areNSlotsAvailable (int n) = 0;
virtual void print (std::ostream& out) const = 0;
};
#endif // __MEM_RUBY_SYSTEM_ABSTRACTMEMORCACHE_HH__
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