104 lines
1.7 KiB
Systemverilog
104 lines
1.7 KiB
Systemverilog
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class pllreg_env;
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static int pktnum;
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//Interface:
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virtual pllreg_if pif;
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virtual spi_if wif;
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virtual sram_if#(25,32) xif;
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//Component:
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spi_driver w_driver;
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pllreg_driver p_driver;
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spi_monitor w_monitor;
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pll_refmodel p_model;
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pllreg_monitor p_monitor;
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pllreg_scoreboard p_scb;
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function new();
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endfunction;
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extern function build();
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extern task run();
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endclass
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function pllreg_env::build();
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w_driver = new();
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if(!w_driver.randomize() with {
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error_time < 0;
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})
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$fatal(0,"Randomize Failed");
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w_driver.pktnum = pktnum;
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w_driver.vif = wif;
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w_driver.autarchy = 1'b1;
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w_driver.half_sclk = 4;
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w_monitor = new();
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w_monitor.wif = wif;
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w_monitor.xif = xif;
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p_driver = new();
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p_driver.pif = pif;
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p_driver.wif = wif;
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p_monitor = new();
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p_monitor.pif = pif;
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p_monitor.xif = xif;
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p_model = new();
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p_model.pif = pif;
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p_model.wif = wif;
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p_model.xif = xif;
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p_scb = new();
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endfunction
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task pllreg_env::run();
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int error=0;
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fork
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w_driver.do_drive();
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p_driver.do_drive();
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w_monitor.do_mon();
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p_monitor.do_mon();
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p_model.do_imitate();
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while(1) begin
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repeat(2) @(posedge wif.csn);
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@(posedge wif.clk);
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p_model.dout.pop_back();
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if(p_scb.compare(
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p_model.dout ,
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w_monitor.act_trans.data ,
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p_model.pllout ,
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p_monitor.act_trans
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))
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error++;
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p_model.dout.delete();
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p_model.pllout.delete();
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p_monitor.act_trans.delete();
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end
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join
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$display("SCOREBOARD:");
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$display("\tError_pll:\t%0d",error);
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endtask
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