Subversion Repositories soc_maker

    if inst == nil

    else

      if inst == @name

        return get_len( ifc_name, port_spec_name )

      else

        return @defn.get_len( ifc_name, port_spec_name, inst )

      end

  end

  def get_core_def( inst )

      tmp = @defn.get_core_def( inst )

      if tmp != nil

        return tmp

      elsif inst == @name

        return self

      else

        return nil

      end

  end

  def gen_toplevel( coder = VHDLCoder.new() )

    #

    # create filename

    #

    file_name = @defn.name.dup

    if coder.is_a?( VHDLCoder )

      file_name << ".vhd"

    elsif coder.is_a?( VerilogCoder )

      file_name << ".v"

    else

      perr_if( true,

        "No valid coder" )

    end

    SOCMaker::logger.proc( "START of creating top-level '" + file_name + "'" )

    SOCMaker::logger.proc( "verifying first ..." )

    # TODO: this is a fix, that the parameters in core_inst.ports are updated.

    #       A good approach for verifying, which checks the whole consistency, needs

    #       to be done

    @defn.cores.each do |inst_name, inst|

      inst.verify

    end

    #

    # Create a unique list of cores and

    # add every core to your implementation.

    # Even if there are multiple instances of a core,

    # we need to decalre it only once

    #

    @defn.cores.values.uniq{|x| x.type }.each do |inst; spec|

      spec = SOCMaker::lib.get_core( inst.type  )

      SOCMaker::lib.check_nil( spec, "Can't find #{ inst.type } in SOC library" )

      coder.add_core_declaration( inst.type, spec )

    end

   #core_instances = {}

   #@cores.each do |inst_name, _core_inst|

   #  # the corresponding core from SOC lib

   #  core_def = SOCMaker::lib.get_core( _core_inst[ :type ] )

   #  core_instances[ inst_name ] = SOCMaker::CoreInst.new( core_def, _core_inst[ :params ] )

   #end

    @defn.cores.each do |inst_name, inst|

      coder.add_core_inst( inst_name.to_s, inst )

    end

    # Iterate over all connections:

    #  - create signal instances

    #  - add assignments

    #

    @defn.cons.each do |con_name, con_def|

      gen_toplevel_con(   con_name.to_s,

                          con_def[ :rule ],

                          con_def[ :mapping ][0],

                          con_def[ :mapping ][1],

      coder  )

    end

    SOCMaker::logger.proc( "writing top-level" )

    file_dir  = File.join( SOCMaker::conf[ :build_dir ],

                           SOCMaker::conf[ :hdl_dir   ] )

    ::FileUtils.mkdir_p file_dir

    file_path = File.join( file_dir, file_name )

    File.open( file_path, 'w' ) do |f|

      f.write( coder.get_entity( self, "test" ) )

    end

    SOCMaker::logger.proc( "END of creating top-level" )

  end

  def gen_toplevel_con( name, rule, src, dst, coder )

    src_inst            = {};

    dst_inst            = {};

    # fetch somehow the spec

    ifc_spec = SOCMaker::lib.get_ifc(

      get_core_def( src.keys.first.to_s ).interfaces[ src.values.first ].name,

      get_core_def( src.keys.first.to_s ).interfaces[ src.values.first ].version )

    #port_used   = {};

    length_tmp  = {};

    ifc_spec.ports.keys.each do |_name|

      # TODO: bis dahin konnte angenommen werden, dass self auch eine Art instanz ist,

      #       aber hier geht das nicht mehr, weil get_len nur für CoreInst definiert ist.

      #

      # create a length table

     #port_used[ _name ] = false

     #dst.each do |inst_name, ifc_name|

     #  port_used[ _name ] ||= get_core_def( inst_name ).implements_port?( ifc_name, _name )

     #end

     #src.each do |inst_name, ifc_name|

     #  port_used[ _name ] ||= get_core_def( inst_name ).implements_port?( ifc_name, _name )

     #end

      length_tmp[ _name ] = []

      dst.each do |inst_name, ifc_name|

        length_tmp[ _name ] << get_len( ifc_name, _name, inst_name )

      end

      src.each do |inst_name, ifc_name|

        length_tmp[ _name ] << get_len( ifc_name, _name, inst_name )

      end

    end

    # getting the maximum length for each signal

    max_length = Hash[ length_tmp.map{ |key, arr| [ key, arr.max ] } ]

    p max_length

    coder.ifc_declaration( ifc_spec, name, max_length )

    src.keys.each do |inst_name|

      src_inst[ inst_name ]            = @defn.cores[ inst_name ]

    end

    dst.keys.each do |inst_name|

      dst_inst[ inst_name ]            = @defn.cores[ inst_name ]

    end

    coder.ifc_assignment( ifc_spec, name, max_length, src_inst, dst_inst, src, dst )

  end