source: trunk/IPs/systemC/processor/Morpheo/Behavioural/Generic/RegisterFile/RegisterFile_Multi_Banked/src/Parameters.cpp

/*
 * $Id: Parameters.cpp 137 2010-02-16 12:35:48Z rosiere $
 *
 * [ Description ]
 * 
 */

#include "Behavioural/Generic/RegisterFile/RegisterFile_Multi_Banked/include/Parameters.h"
#include "Common/include/BitManipulation.h"
#include "Common/include/Log2.h"

namespace morpheo {
namespace behavioural {
namespace generic {
namespace registerfile {
namespace registerfile_multi_banked {


  Parameters::Parameters (uint32_t    nb_port_read         ,
                          uint32_t    nb_port_write        ,
                          uint32_t    nb_word              ,
                          uint32_t    size_word            ,
                          uint32_t    nb_bank              ,
                          uint32_t    nb_port_read_by_bank ,
                          uint32_t    nb_port_write_by_bank,
                          Tcrossbar_t crossbar             ,
                          std::string init_value
                          )
  {
    log_printf(FUNC,RegisterFile_Multi_Banked,"Parameters","Begin");

    _nb_port_read           = nb_port_read         ;
    _nb_port_write          = nb_port_write        ;
    _nb_word                = nb_word              ;
    _size_word              = size_word            ;
    _nb_bank                = nb_bank              ;
    _nb_port_read_by_bank   = nb_port_read_by_bank ;
    _nb_port_write_by_bank  = nb_port_write_by_bank;
    _crossbar               = crossbar             ;
    _init_value             = init_value           ;

    _size_address           = log2(_nb_word);
    _size_address_by_bank   = _size_address - log2(_nb_bank);

    // Address : [....................]  [size_address-1:0]
    // Bank    : [....]                  [size_address-1:size_address-1-log2(nb_bank)]
    // num_reg :      ]...............]  [size_address-2-log2(nb_bank):0]
    _bank_shift             = _size_address_by_bank;
    _bank_mask              = gen_mask<Taddress_t>(log2(_nb_bank));
    _num_reg_shift          = 0;
    _num_reg_mask           = gen_mask<Taddress_t>(_size_address_by_bank);
    _nb_word_by_bank        = _nb_word / _nb_bank;
    _have_port_address      = _size_address         != 0;
    _have_bank_port_address = _size_address_by_bank != 0;
    _have_init_value        = init_value != ""     ;

    if (_crossbar == PARTIAL_CROSSBAR)
      {
        log_printf(TRACE,RegisterFile_Multi_Banked,"Parameters","Case : _crossbar == PARTIAL_CROSSBAR");

        // All port_src is connected with one port_dest on each bank
        
        _link_port_read_to_bank_read     = new uint32_t [_nb_port_read ];
        _link_port_write_to_bank_write   = new uint32_t [_nb_port_write];

        // init
        for (uint32_t i=0; i<_nb_port_read ;i++)
          {
            uint32_t x = i%_nb_port_read_by_bank;
            _link_port_read_to_bank_read [i] = x;
          }
        for (uint32_t i=0; i<_nb_port_write;i++)
          {
            uint32_t x = i%_nb_port_write_by_bank;
            _link_port_write_to_bank_write   [i] = x;
          }


        log_printf(TRACE,RegisterFile_Multi_Banked,"Parameters"," * _link_port_read_to_bank_read");
        for (uint32_t i=0; i<_nb_port_read         ;i++)
          {
            log_printf(TRACE,RegisterFile_Multi_Banked,"Parameters","   * Read  in  [%d] to out    [%d]",i,_link_port_read_to_bank_read          [i]);
          }
        log_printf(TRACE,RegisterFile_Multi_Banked,"Parameters"," * _link_port_write_to_bank_write");
        for (uint32_t i=0; i<_nb_port_write        ;i++)
          {
            log_printf(TRACE,RegisterFile_Multi_Banked,"Parameters","   * Write in  [%d] to out    [%d]",i,_link_port_write_to_bank_write          [i]);
          }
      }
    // else : don't allocate

    test();
    log_printf(FUNC,RegisterFile_Multi_Banked,"Parameters","End");
  };
  
//   Parameters::Parameters (Parameters & param):
//     _nb_port_read          (param._nb_port_read         ),
//     _nb_port_write         (param._nb_port_write        ),
//     _nb_word               (param._nb_word              ),
//     _size_word             (param._size_word            ),
//     _nb_bank               (param._nb_bank              ),
//     _nb_port_read_by_bank  (param._nb_port_read_by_bank ),
//     _nb_port_write_by_bank (param._nb_port_write_by_bank),
//     _crossbar              (param._crossbar             ),
//     _size_address          (param._size_address         ),
//     _size_address_by_bank  (param._size_address_by_bank ),
//     _bank_shift            (param._bank_shift           ),
//     _bank_mask             (param._bank_mask            ),
//     _num_reg_shift         (param._num_reg_shift        ),
//     _num_reg_mask          (param._num_reg_mask         ),
//     _nb_word_by_bank       (param._nb_word_by_bank      ),
//     _have_port_address     (param._have_port_address     ),
//     _have_bank_port_address(param._have_bank_port_address)
//   {
//     log_printf(FUNC,RegisterFile_Multi_Banked,"Parameters (copy)","Begin");

//     if (_crossbar == PARTIAL_CROSSBAR)
//       {
//      // All port_src is connected with one port_dest on each bank
        
//      _link_port_read_to_bank_read     = new uint32_t [_nb_port_read ];
// //   _link_port_read_to_num_bank         = new uint32_t [_nb_port_read ];
//      _link_port_write_to_bank_write   = new uint32_t [_nb_port_write];
// //   _link_port_write_to_num_bank        = new uint32_t [_nb_port_write];

//      for (uint32_t i=0; i<_nb_port_read         ;i++)
//        {
//          _link_port_read_to_bank_read   [i] = param._link_port_read_to_bank_read     [i];
// //       _link_port_read_to_num_bank       [i] = param._link_port_read_to_num_bank    [i];
//        }
//      for (uint32_t i=0; i<_nb_port_write        ;i++)
//        {
//          _link_port_write_to_bank_write [i] = param._link_port_write_to_bank_write    [i];
// //       _link_port_write_to_num_bank      [i] = param._link_port_write_to_num_bank   [i];
//        }
//       }

//     test();
//     log_printf(FUNC,RegisterFile_Multi_Banked,"Parameters (copy)","End");
//   };

  Parameters::~Parameters () 
  {
    log_printf(FUNC,RegisterFile_Multi_Banked,"~Parameters","Begin");

    if (_crossbar == PARTIAL_CROSSBAR)
      {
        delete [] _link_port_read_to_bank_read    ;
//      delete [] _link_port_read_to_num_bank   ;
        delete [] _link_port_write_to_bank_write   ;
//      delete [] _link_port_write_to_num_bank  ;
      }
    log_printf(FUNC,RegisterFile_Multi_Banked,"~Parameters","End");
  };

  void Parameters::copy (void) 
  {
    log_printf(FUNC,RegisterFile_Multi_Banked,"copy","Begin");
    log_printf(FUNC,RegisterFile_Multi_Banked,"copy","End");
  };

}; // end namespace registerfile_multi_banked
}; // end namespace registerfile
}; // end namespace generic

}; // end namespace behavioural
}; // end namespace morpheo