lt_initiator.h

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

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  All Rights reserved.

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//==============================================================================
///  @file lt_initiator.h
///  @brief This is Loosley Timed Initiator
///
///  @Details
///  This module implements only implements the blocking interface.
///  The  nb_transport_bw and invalidate_direct_memory_ptr are implemented
///  within the covenience socket
//
//==============================================================================
   
//==============================================================================
//  Original Authors:
//    Jack Donovan, ESLX
//    Anna Keist, ESLX
//==============================================================================

#ifndef __LT_INITIATOR_H__
#define __LT_INITIATOR_H__

#include "tlm.h"                                    // TLM headers
#include "tlm_utils/simple_initiator_socket.h"      // TLM simple initiator socket

class lt_initiator                                  // lt_initiator 
  :  public sc_core::sc_module                      // module base class 
{
public:
// Constructor ================================================================= 
    lt_initiator                                    // constructor
    ( sc_core::sc_module_name name                  // module name
    , const unsigned int  ID                       ///< initiator ID
    );
     
// Method Declarations =========================================================
    
//==============================================================================
///     @brief SC_THREAD that performs blocking call (lt call)
//
///     @details
///        This SC_THREAD takes transactions from traffic generator via the 
///        sc_fifo attached to the request_in_port. Performs the blocking call.
///        After completing the blocking call the transactions are returned to
///        the traffic generator for checking via the response_out_port
//
//============================================================================== 
  void initiator_thread (void);                    
  
  
// Variable and Object Declarations ============================================
public:
  
   typedef tlm::tlm_generic_payload  *gp_ptr;        // generic payload
   tlm_utils::simple_initiator_socket<lt_initiator> initiator_socket;
 
   sc_core::sc_port<sc_core::sc_fifo_in_if  <gp_ptr> > request_in_port;  
   sc_core::sc_port<sc_core::sc_fifo_out_if <gp_ptr> > response_out_port;

private:
  tlm::tlm_response_status gp_status;
  unsigned int            m_ID;                     // initiator ID
  sc_core::sc_time        m_end_rsp_delay;          // end response delay
  
}; 
 #endif /* __LT_INITIATOR_H__ */