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{
                        0 :=50,
                        [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