Subversion Repositories avalon-wishbone-bridge

import uvm_pkg::*;

class av_mm_transaction #(AW =32, DW=128, TW= 2) extends uvm_sequence_item;

`uvm_object_utils(av_mm_transaction);

rand t_direction dir;

rand logic [AW-1:0] addr;

rand logic [DW-1:0] data;

rand logic [TW-1:0] tags;

rand delay_t stall_time;

constraint DIR {dir dist {AVALON_RD:=50,AVALON_WAIT:=50};}

constraint ADDR_RANGE {addr inside {[32'h40000000:32'h80000000]};}

constraint DATA_RANGE {data inside {[0:32'hFFFFFFFF]};}

constraint TAG_RANGE {tags inside {[0:3]};}

constraint RANDOM_STALL {

                stall_time dist{

                        [1:100]:=50

                };

}

covergroup cov;

        ADDR: coverpoint addr;

        TYPE: coverpoint dir;

        TAG:  coverpoint tags;

endgroup

function new(string name="av_mm_transaction");

        super.new(name);

        cov=new();

endfunction

//method to randomize real

//function void post_randomize;

//      stall_time=$bitstoreal(stall_time_i);

//endfunction

function void do_record(uvm_recorder recorder);

        super.do_record(recorder);

        `uvm_record_attribute(recorder.tr_handle,"address",addr);

        `uvm_record_field("data",data);

        //if ((dir ==AVALON_RD) && (recorder.tr_handle !=0))

        if ((dir ==AVALON_RD))

                $add_color(recorder.tr_handle,"red");

        else

                $add_color(recorder.tr_handle,"green");

endfunction

endclass