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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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class uart_coverage extends uvm_component;
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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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uvm_analysis_export #(uart_transaction) cov_mon;
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uvm_tlm_analysis_fifo #(uart_transaction) mon_fifo;
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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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bins invalid_mode = {wrong_mode_text,wrong_mode_bin};
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bins invalid_mode = {wrong_mode_text,wrong_mode_bin};
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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,write};
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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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illegal_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;
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coverpoint trans._spacetype1;
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second_white_space_field:
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second_white_space_field:
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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,write,nop};
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bins normal_command={read,2,nop};
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bins wrong_command ={invalid_read,invalid_write};
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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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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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endclass:uart_coverage
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endclass:uart_coverage
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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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_trans = uart_transaction::type_id::create("_trans");
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cov_mon = new ("cov_mon",this);
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mon_fifo = new ("mon_fifo",this);
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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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cov_mon.connect(mon_fifo.analysis_export);
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// cov_mon.connect(mon_fifo.analysis_export);
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endfunction:connect_phase
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endfunction:connect_phase
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task uart_coverage::run_phase(uvm_phase phase);
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task uart_coverage::run_phase(uvm_phase phase);
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forever
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begin
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endtask:run_phase
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mon_fifo.get(_trans);
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$cast(trans,_trans.clone());
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function void uart_coverage::write(uart_transaction t);
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$cast(trans,t.clone());
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trans_attrib.sample();
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trans_attrib.sample();
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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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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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end
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end
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end
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endfunction // write
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endtask:run_phase
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endfunction // write
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