?? testbench_arm7.v
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/////////////////////////////////////////////////////////////////// ARM7 TOP LEVEL TEST BENCH v1.0, 4-6-2000 //// ECE 371 EMR, Spring 2000 //// Test Bench Team: Steve Behling //// COMPONENT: TEST CHIP //// ----------------------------------------------------------- //// Modified by J. Shin 8/30/00 -- removed memory from datapath // /////////////////////////////////////////////////////////////////`timescale 1ns/100ps/////////////////////////////// Include component files ///////////////////////////////`include "arm7_sys.v"//////////////////Clock module//////////////////module cl(clk); parameter TIME_LIMIT = 110000; output clk; reg clk; initial clk=0; always #5 clk = ~clk; always @(posedge clk) if ($time > TIME_LIMIT) #70 $stop;endmodule///////////////////////////// Top Test Bench Module /////////////////////////////module top; //Coprocessor wire nOPC,nCPI; wire CPA,CPB; //general wire sysclk; // Exception Signals reg nRESET; reg ABORT; reg nFIQ; reg nIRQ; integer ifile, dfile, dmemout_file, regout_file; integer i; /////////////////////////////////////////////// // Instantiate test chip // /////////////////////////////////////////////// //Instantiate the arm7 arm7_sys arm7_sys_DUT (nOPC, nCPI, CPA, CPB, sysclk, nRESET, nFIQ, nIRQ, ABORT); //Instantiate clock cl #20000 clock(sysclk);///////////////////////////////////////////////////////////////// always @(posedge sysclk) begin // $display ("%d: ir1=%x ir2=%x R15=%x R14=%x", $time, // arm7_sys_DUT.DUT_ARM7.DUT_DATA.ir1, arm7_DUT.ir2_bus, // arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r15, // arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r14); // $display ("R14=%x", arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r14); // $display ("Rd=%x ALU_Result=%x RF_PSR_Read=%b", // arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r13, // arm7_sys_DUT.DUT_ARM7.DUT_DATA.ALU_Result,arm7_sys_DUT.DUT_ARM7.DUT_DATA.RF_PSR_Read); end initial begin // $stop; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r1 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r2 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r3 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r4 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r5 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r6 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r7 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r8 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r9 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r10 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r11 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r12 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r13 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r14 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r15 = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; // instruction memory background = NOP for (i = 0; i <= 'h7000; i = i + 1) begin arm7_sys_DUT.DUT_MMU.themem.mem_array[i] = 'he1a00000; end // data memory background = UNKNOWN for (i = 'h7000; i <= 65536; i = i + 1) begin arm7_sys_DUT.DUT_MMU.themem.mem_array[i] = 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; end // initialize exception handling code // initialize exception handling code $readmemh ("exception.mem", arm7_sys_DUT.DUT_MMU.themem.mem_array); // initialize instruction memory $readmemh ("arm7.imem", arm7_sys_DUT.DUT_MMU.themem.mem_array); // initialize data memory $readmemh ("arm7.dmem", arm7_sys_DUT.DUT_MMU.themem.mem_array); nFIQ = 1'b1; nIRQ = 1'b1; ABORT = 1'b0; nRESET = 1'b1; // nRESET = 1'b0; // #50 nRESET = 1'b1;#10000; //Made for exiting via software interrupt handler// $swi_init(DUT_DATA.A_MAR, sysclk); //initialization for my cases API// $check_state(sysclk); //register monitoring PLI// $regmon_init(ir2_bus,DUT_DATA.regfile1.RF_Addr_Write,DUT_DATA.regfile1.RF_Bus_Write,DUT_DATA.regfile1.RF_Load_Write); //if you want to make dump of all of the signal changes //$my_monitor(DUT_DATA); dmemout_file = $fopen("arm7.dmemout"); //open dmem output file // print out used data memory // for (i = 0; i <= 65536; i = i + 1) for (i = 'ha000; i <= 65536; i = i + 1) if (arm7_sys_DUT.DUT_MMU.themem.mem_array[i] !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) begin $fdisplay (dmemout_file, "%h %h", i, arm7_sys_DUT.DUT_MMU.themem.mem_array[i]); end $fclose (dmemout_file); regout_file = $fopen ("arm7.regout"); // open reg output file if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r0 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 0, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r0); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r1 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 1, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r1); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r2 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 2, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r2); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r3 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 3, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r3); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r4 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 4, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r4); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r5 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 5, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r5); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r6 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 6, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r6); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r7 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 7, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r7); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r8 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 8, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r8); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r9 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 9, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r9); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r10 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 10, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r10); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r11 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 11, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r11); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r12 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 12, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r12); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r13 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 13, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r13); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r14 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 14, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r14); if (arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r15 !== 32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) $fdisplay (regout_file, "%0h %h", 15, arm7_sys_DUT.DUT_ARM7.DUT_DATA.regfile1.rf_int_r15); $finish; endendmodule?? 快捷鍵說明
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