66 lines
1.2 KiB
Systemverilog
66 lines
1.2 KiB
Systemverilog
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class mcureg_driver;
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mcureg_trans tr;
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//interface
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virtual mcureg_if mif;
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virtual spi_if wif;
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function new();
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endfunction
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extern task do_drive();
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extern task make_pkt();
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endclass : mcureg_driver
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task mcureg_driver::do_drive();
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mif.fb_st_info = 2'b0 ;
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mif.run_time = 32'b0 ;
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mif.instr_num = 32'b0 ;
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mif.mcu_param[3:0] = {32'b0,32'b0,32'b0,32'b0} ;
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fork
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while(1) begin
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make_pkt();
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end
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join
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endtask
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task mcureg_driver::make_pkt();
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int cnt=0;
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cnt = 0;
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tr = new();
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if(!tr.randomize())
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$fatal(0,"Randomize Failed");
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while(cnt<2000) begin
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@(posedge wif.clk);
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cnt = cnt + 1;
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case(cnt)
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tr.wrmask_time: mif.wrmask <= tr.wrmask;
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tr.fb_st_info_time: mif.fb_st_info <= tr.fb_st_info;
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tr.run_time_time: mif.run_time <= tr.run_time;
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tr.instr_num_time: mif.instr_num <= tr.instr_num;
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tr.mcu_param_time[0]: mif.mcu_param[0] <= tr.mcu_param[0];
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tr.mcu_param_time[1]: mif.mcu_param[1] <= tr.mcu_param[1];
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tr.mcu_param_time[2]: mif.mcu_param[2] <= tr.mcu_param[2];
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tr.mcu_param_time[3]: mif.mcu_param[3] <= tr.mcu_param[3];
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endcase
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end
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endtask : make_pkt
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