lt_top.cpp

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

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//==============================================================================
/// @file lt_top.cpp
//
/// @brief Very basic Loosely Timed (blocking) example
//
/// @details This class instantiates components that compose the lt 
/// example system. A demonstration of the blocking interface for
/// TLM 2.0. The same (or similar) block diagram is created 
/// for additional examples, but with different components.
/// See the constructore for companents instatntiated for this example.
//
//==============================================================================
//
//  Authors:
//    Jack Donovan, ESLX
//    Charles Wilson, ESLX
//    Anna Keist, ESLX
//
//==============================================================================
#include "lt_top.h"           	            // example system top header

//==============================================================================
///  @fn lt_top::lt_top
//
///  @brief Constructor for the top module for a basic LT example
//
///  @details
///    The construcor method 
///       1. initializes the instantiated components
///       2. calls the bind methods to connect the example components 
//
//==============================================================================
lt_top::lt_top  
( sc_core::sc_module_name name             
)
  : sc_core::sc_module                      /// Init SC base
    ( name                                 
    )
  , m_bus                                   /// Init Simple Bus
    ( "m_bus"                              
    )
  , m_at_and_lt_target_1                    /// Initiatlize at/lt target
    ( "m_at_and_lt_target_1"                //  module instance name
    , 201                                   // 1st Target ID is 201
    , "memory_socket_1"                     // socket name
    , 4*1024                                // memory size (bytes)
    , 4                                     // memory width (bytes)
    , sc_core::sc_time(20, sc_core::SC_NS)  // accept delay
    , sc_core::sc_time(100, sc_core::SC_NS) // read response delay
    , sc_core::sc_time(60, sc_core::SC_NS)  // write response delay
    )
  , m_lt_target_2                           /// initialize lt only target
    ( "m_lt_target_2"                       // module instance name
    , 202                                   // 2nd Target ID is 202
    , "memory_socket_2"                     // socket name
    , 4*1024                                // memory size (bytes)
    , 4                                     // memory width (bytes)
    , sc_core::sc_time(10, sc_core::SC_NS)  // accept delay
    , sc_core::sc_time(50, sc_core::SC_NS)  // read response delay
    , sc_core::sc_time(30, sc_core::SC_NS)  // write response delay
    )
  , m_initiator_1                           /// Init Instance 1 of LT initiator
    ( "m_initiator_1"                       // module instance name
    , 101                                   // 1st Initiator ID is 101
    , 0x0000000000000000                    // fitst base address
    , 0x0000000010000000                    // second base address
    )
  , m_initiator_2                           /// Init initiator 2
    ( "m_initiator_2"                       // module instance name
    , 102                                   // 2nd Initiator ID is 102
    , 0x0000000000000000                    // fitst base address
    , 0x0000000010000000                    // second base address
    )
{
  /// bind TLM2 initiators to TLM2 target sockets on SimpleBus
  m_initiator_1.top_initiator_socket(m_bus.target_socket[0]);
  m_initiator_2.top_initiator_socket(m_bus.target_socket[1]);

  /// bind TLM2 targets to TLM2 initiator sockets on SimpleBus
  m_bus.initiator_socket[0](m_at_and_lt_target_1.m_memory_socket);
  m_bus.initiator_socket[1](m_lt_target_2.m_memory_socket);
}