initiator_top.h

SystemC Transaction Level Modelling. 是基于SystemC之上的总线互联协议

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    source code Copyright (c) 1996-2008 by all Contributors.
    All Rights reserved.
 
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    set forth in the SystemC Open Source License Version 3.0 (the "License");
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//=====================================================================
/// @file initiator_top.h
//
/// @brief Initiator top module contains a traffic generator and an 
///        example initiator module unique for the example
//
//=====================================================================
//  Original Authors:
//    Bill Bunton, ESLX
//    Charles Wilson, ESLX
//    Jack Donovan, ESLX
//=====================================================================

#ifndef __INITIATOR_TOP_H__
#define __INITIATOR_TOP_H__

#include "tlm.h"                                // TLM headers
#include "select_initiator.h"                   // AT initiator
#include "traffic_generator.h"                  // traffic generator

class initiator_top                          		       
  : public sc_core::sc_module                       
  , virtual public tlm::tlm_bw_transport_if<>  // backward non-blocking interface
{
//Member Methods  =====================================================  

  public:
	  
//=====================================================================
///  @fn initiator_top::initiator_top
//	    
///  @brief initiator_top constructor
//	    
///  @details
///    Initiator top module contains a traffic generator and an example 
///    unique initiator module
//
//===================================================================== 
  initiator_top 	                                   
  ( sc_core::sc_module_name name                ///< module name
  , const unsigned int  ID                      ///< initiator ID
  , sc_dt::uint64       base_address_1          ///< first base address
  , sc_dt::uint64       base_address_2          ///< second base address
  , unsigned int        active_txn_count        ///< Max number of active transactions  
  );
  
private: 

/// Not Implemented for this example but required by the initiator socket
  void												
  invalidate_direct_mem_ptr					
  ( sc_dt::uint64      start_range                        
  , sc_dt::uint64      end_range                 
  );
    
/// Not Implemented for this example but require by the initiator socket
  tlm::tlm_sync_enum	 
  nb_transport_bw								
  ( tlm::tlm_generic_payload  &payload
  , tlm::tlm_phase            &phase
  , sc_core::sc_time          &delta
  );

//Member Variables/Objects  ===========================================

  public:
  
  tlm::tlm_initiator_socket<> initiator_socket;	///< processor socket

  private:
  
  typedef tlm::tlm_generic_payload  *gp_ptr;   ///< Generic Payload pointer
  
  sc_core::sc_fifo <gp_ptr>  m_request_fifo;   ///< request SC FIFO
  sc_core::sc_fifo <gp_ptr>  m_response_fifo;  ///< response SC FIFO
  
  const unsigned int         m_ID;             ///< initiator ID
  bool                       m_enable_target_tracking; ///< track target timing
    
  select_initiator           m_initiator;      ///< TLM initiator instance
  traffic_generator          m_traffic_gen;    ///< traffic generator instance

};

#endif /* __INITIATOR_TOP_H__ */