lt_dmi_initiator.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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//==============================================================================
///  @file lt_dmi_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_DMI_INITIATOR_H__
#define __LT_DMI_INITIATOR_H__

#include "tlm.h"                                    // TLM headers
#include "dmi_memory.h"
#include "tlm_utils/simple_initiator_socket.h"

class lt_dmi_initiator                       // lt_dmi_initiator 
  :  public sc_core::sc_module               // module base class 
 // , virtual public tlm::tlm_bw_transport_if<>  // backward non-blocking interface
{
public:
// Constructor ================================================================= 
    lt_dmi_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);        
  
  void 
  custom_invalidate_dmi_ptr                         // invalidate_direct_mem_ptr
  ( sc_dt::uint64 start_range                       // start range
  , sc_dt::uint64 end_range                         // end range
  );
  
// Variable and Object Declarations ============================================
public:
  
   typedef tlm::tlm_generic_payload  *gp_ptr;        // generic payload
   tlm_utils::simple_initiator_socket<lt_dmi_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 m_gp_status;
  unsigned int            m_ID;                     // initiator ID
  sc_core::sc_time        m_end_rsp_delay;          // end response delay
  dmi_memory              m_dmi_memory;
  tlm::tlm_dmi            m_dmi_properties;
  sc_dt::uint64           m_address;
  
}; 
 #endif /* __LT_DMI_INITIATOR_H__ */