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/*
* Copyright (c) 1999-2008 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.
*/
/*
* $Id$
*
* Description: Common base class for a machine chip.
*
*/
#ifndef ABSTRACT_CHIP_H
#define ABSTRACT_CHIP_H
#include "Global.hh"
#include "NodeID.hh"
#include "RubyConfig.hh"
#include "L1Cache_Entry.hh"
#include "Address.hh"
#include "Vector.hh"
class Network;
class Sequencer;
class StoreBuffer;
class ENTRY;
class MessageBuffer;
class CacheRecorder;
class TransactionInterfaceManager;
template<class ENTRY> class CacheMemory;
class AbstractChip {
public:
// Constructors
AbstractChip(NodeID chip_number, Network* net_ptr);
// Destructor, prevent from being instantiated
virtual ~AbstractChip() = 0;
// Public Methods
NodeID getID() const { return m_id; };
Network* getNetwork() const { return m_net_ptr; };
Sequencer* getSequencer(int index) const { return m_L1Cache_sequencer_vec[index]; };
TransactionInterfaceManager* getTransactionInterfaceManager(int index) const { return m_L1Cache_xact_mgr_vec[index]; };
void setTransactionInterfaceManager(TransactionInterfaceManager* manager, int index) { m_L1Cache_xact_mgr_vec[index] = manager; }
// used when CHECK_COHERENCE is enabled. See System::checkGlobalCoherence()
virtual bool isBlockExclusive(const Address& addr) const { return false; }
virtual bool isBlockShared(const Address& addr) const { return false; }
// cache dump functions
virtual void recordCacheContents(CacheRecorder& tr) const = 0;
virtual void dumpCaches(ostream& out) const = 0;
virtual void dumpCacheData(ostream& out) const = 0;
virtual void printConfig(ostream& out) = 0;
virtual void print(ostream& out) const = 0;
// pulic data structures
Vector < CacheMemory<L1Cache_Entry>* > m_L1Cache_L1DcacheMemory_vec;
Vector < CacheMemory<L1Cache_Entry>* > m_L1Cache_L1IcacheMemory_vec;
Vector < CacheMemory<L1Cache_Entry>* > m_L1Cache_cacheMemory_vec;
Vector < CacheMemory<L1Cache_Entry>* > m_L1Cache_L2cacheMemory_vec;
Vector < CacheMemory<L1Cache_Entry>* > m_L2Cache_L2cacheMemory_vec;
// added so that the prefetcher and sequencer can access the L1 and L2 request queues
Vector < MessageBuffer* > m_L1Cache_optionalQueue_vec;
Vector < MessageBuffer* >m_L1Cache_mandatoryQueue_vec;
// TSO storebuffer
Vector < StoreBuffer* > m_L1Cache_storeBuffer_vec;
// TM transaction manager
Vector < TransactionInterfaceManager* > m_L1Cache_xact_mgr_vec;
protected:
// Data Members (m_ prefix)
NodeID m_id; // Chip id
Network* m_net_ptr; // Points to the Network simulator
Vector < Sequencer* > m_L1Cache_sequencer_vec; // All chip should have a sequencer
};
// Output operator declaration
ostream& operator<<(ostream& out, const AbstractChip& obj);
// ******************* Definitions *******************
// Output operator definition
extern inline
ostream& operator<<(ostream& out, const AbstractChip& obj)
{
obj.print(out);
out << flush;
return out;
}
#endif //ABSTRACT_CHIP_H
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