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//-------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------
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// ALL COPYRIGHTS ARE RESERVED FOR THE PRODUCER ONLY .THIS FILE IS PRODUCED FOR OPENCORES MEMBERS
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// ALL COPYRIGHTS ARE RESERVED FOR THE PRODUCER ONLY .THIS FILE IS PRODUCED FOR OPENCORES MEMBERS
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// ONLY AND IT IS PROHIBTED TO USE THIS MATERIAL WITHOUT THE CREATOR'S PERMISSION
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// ONLY AND IT IS PROHIBTED TO USE THIS MATERIAL WITHOUT THE CREATOR'S PERMISSION
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//-------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------
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struct {command cmd1; command cmd2;} twoburstscmd;
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class uart_coverage extends uvm_subscriber#(uart_transaction);
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class uart_coverage extends uvm_subscriber#(uart_transaction);
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`uvm_component_utils(uart_coverage)
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`uvm_component_utils(uart_coverage)
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uart_transaction trans,_trans;
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uart_transaction trans,_trans;
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uart_transaction trans_o1,trans_o2,trans_o3;
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uart_dashboard dashboard;
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covergroup trans_attrib;
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covergroup trans_attrib;
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communication_mode:
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communication_mode:
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coverpoint trans._mode{
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coverpoint trans._mode{
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bins valid_mode = {text,binary};
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bins valid_mode = {text,binary};
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illegal_bins invalid_mode = {wrong_mode_text,wrong_mode_bin};
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ignore_bins invalid_mode = {wrong_mode_text,wrong_mode_bin};
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}
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}
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address:
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address:
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coverpoint trans.address;
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coverpoint trans.address;
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endgroup:trans_attrib
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endgroup:trans_attrib
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covergroup text_mode_cov;
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covergroup text_mode_cov;
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command:
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command:
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coverpoint trans._command{
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coverpoint trans._command{
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bins valid_command ={read,2};
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bins valid_command ={read,2};
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illegal_bins invalid_command={nop,invalid_read,invalid_write};
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ignore_bins invalid_command={nop,invalid_read,invalid_write};
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}
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}
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first_white_space_field:
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first_white_space_field:
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coverpoint trans._spacetype1{bins validspace ={single,tab};
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coverpoint trans._spacetype1{bins validspace ={single,tab};
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illegal_bins invalidspace ={wrong_space};}
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ignore_bins invalidspace ={wrong_space};}
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second_white_space_field:
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second_white_space_field:
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coverpoint trans._spacetype2{bins validspace ={single,tab};
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coverpoint trans._spacetype2{bins validspace ={single,tab};
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illegal_bins invalidspace ={wrong_space};}
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ignore_bins invalidspace ={wrong_space};}
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end_of_line_field:
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end_of_line_field:
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coverpoint trans._eoltype{bins valideol={cr,lf};
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coverpoint trans._eoltype{bins valideol={cr,lf};
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illegal_bins eol ={wrong_eol};}
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ignore_bins eol ={wrong_eol};}
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prefix_character_type:
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prefix_character_type:
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coverpoint trans._chartype;
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coverpoint trans._chartype;
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white_spaces_x:
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cross first_white_space_field,second_white_space_field,end_of_line_field;
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pref_x_command:
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cross command,prefix_character_type;
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endgroup:text_mode_cov
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endgroup:text_mode_cov
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covergroup binary_mode_cov;
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covergroup binary_mode_cov;
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command:
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command:
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coverpoint trans._command{
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coverpoint trans._command{
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bins normal_command={read,2,nop};
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bins normal_command={read,2,nop};
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illegal_bins wrong_command ={invalid_read,invalid_write};
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ignore_bins wrong_command ={invalid_read,invalid_write};
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}
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}
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acknowledge_requirement:
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acknowledge_requirement:
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coverpoint trans._reqack;
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coverpoint trans._reqack;
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incremental_address_requirement:
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incremental_address_requirement:
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coverpoint trans._reqinc;
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coverpoint trans._reqinc;
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bins valid = {[1:256]};
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bins valid = {[1:256]};
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illegal_bins invalid= {[257:$]};
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illegal_bins invalid= {[257:$]};
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}
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}
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endgroup:binary_mode_cov
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endgroup:binary_mode_cov
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covergroup two_bursts ;
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command: coverpoint trans._command{
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bins nop_write = (nop=>2);
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bins nop_read = (nop=>read);
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bins nop_nop = (nop=>nop);
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bins write_write = (2=>2);
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bins write_read = (2=>read);
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bins write_nop = (2=>nop);
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bins read_write = (read=>2);
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bins read_read = (read=>read);
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bins read_nop = (read=>nop);
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}
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mode_trans: coverpoint trans._mode
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{
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bins text_bin = (text=>binary);
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bins bin_text = (binary=>text);
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bins bin_bin = (binary=>binary);
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bins text_text = (text=>text);
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}
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mode_x_cmd: cross command,mode_trans
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{
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illegal_bins text_nop1 = binsof(command.nop_write) && (binsof(mode_trans.text_bin) || binsof(mode_trans.text_text) );
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illegal_bins text_nop2 = binsof(command.nop_read) && (binsof(mode_trans.text_bin) || binsof(mode_trans.text_text) );
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illegal_bins text_nop3 = binsof(command.nop_nop) && (binsof(mode_trans.text_bin) || binsof(mode_trans.text_text) ||
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binsof(mode_trans.bin_text));
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illegal_bins text_nop4 = binsof(command.write_nop) && (binsof(mode_trans.bin_text) || binsof(mode_trans.text_text) );
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illegal_bins text_nop5 = binsof(command.read_nop) && (binsof(mode_trans.bin_text) || binsof(mode_trans.text_text) );
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}
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endgroup // two_bursts
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covergroup four_bursts ;
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command: coverpoint trans._command
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{
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bins nop_read_write_nop = (nop=>read=>2=>nop);
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bins read_write_read_write = (read=>2=>read=>2);
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bins read_read_write_read = (read=>read=>2=>read);
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bins write_read_read_write = (2=>read=>read=>2);
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bins write_write_read_write= (2=>2=>read=>2);
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bins write_write_write_write=(2=>2=>2=>2);
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bins read_read_read_read = (read=>read=>read=>read);
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bins nop_nop_nop_nop = (nop=>nop=>nop=>nop);
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}
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endgroup
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function new (string name, uvm_component parent);
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function new (string name, uvm_component parent);
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super.new(name,parent);
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super.new(name,parent);
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trans_attrib = new();
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trans_attrib = new();
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text_mode_cov = new();
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text_mode_cov = new();
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binary_mode_cov = new();
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binary_mode_cov = new();
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two_bursts = new();
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four_bursts = new();
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endfunction:new
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endfunction:new
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extern function void build_phase(uvm_phase phase);
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extern function void build_phase(uvm_phase phase);
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extern function void connect_phase (uvm_phase phase);
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extern function void connect_phase (uvm_phase phase);
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extern task run_phase (uvm_phase);
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extern task run_phase (uvm_phase);
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extern function void write (uart_transaction t);
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extern function void write (uart_transaction t);
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extern function void update_cov ();
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endclass:uart_coverage
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endclass:uart_coverage
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function void uart_coverage::build_phase (uvm_phase phase);
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function void uart_coverage::build_phase (uvm_phase phase);
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super.build_phase(phase);
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super.build_phase(phase);
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trans = uart_transaction::type_id::create("trans");
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trans = uart_transaction::type_id::create("trans");
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_trans = uart_transaction::type_id::create("_trans");
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dashboard = uvm_resource_db#(uart_dashboard)::get_by_name("shared_cloud","dashboard").read();
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endfunction:build_phase
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endfunction:build_phase
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function void uart_coverage::connect_phase(uvm_phase phase);
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function void uart_coverage::connect_phase(uvm_phase phase);
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endfunction:connect_phase
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endfunction:connect_phase
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endtask:run_phase
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endtask:run_phase
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function void uart_coverage::write(uart_transaction t);
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function void uart_coverage::write(uart_transaction t);
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$cast(trans,t.clone());
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$cast(trans,t.clone());
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trans_attrib.sample();
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trans_attrib.sample();
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uvm_resource_db#(int)::write_by_name("coverage_cloud","general_coverage",trans_attrib.get_coverage());
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if(trans._mode == text)
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if(trans._mode == text)
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begin
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begin
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text_mode_cov.sample();
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text_mode_cov.sample();
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uvm_resource_db#(int)::write_by_name("coverage_cloud","text_coverage",text_mode_cov.get_coverage());
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end
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end
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else if (trans._mode == binary)
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else if (trans._mode == binary)
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begin
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begin
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binary_mode_cov.sample();
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binary_mode_cov.sample();
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uvm_resource_db#(int)::write_by_name("coverage_cloud","binary_coverage",binary_mode_cov.get_coverage());
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end
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end
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four_bursts.sample();
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two_bursts.sample();
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update_cov();
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endfunction // write
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endfunction // write
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function void uart_coverage::update_cov();
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dashboard.trans_attribute_cov=trans_attrib.get_coverage();
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dashboard.text_mode_cov = text_mode_cov.get_coverage();
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dashboard.binary_mode_cov = binary_mode_cov.get_coverage();
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dashboard.two_binary_bursts_cov=two_bursts.get_coverage();
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dashboard.four_bursts_cov=four_bursts.get_coverage();
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dashboard.evaluate_coverage();
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endfunction // update_cov
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