MPSU/APS
1
0
Fork 0
mirror of https://github.com/MPSU/APS.git synced 2025-09-15 17:20:10 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
129c6582762e9c408ae500a668f2d05d4e8dfae3
APS/Labs/10. Interrupt subsystem/tb_irq.sv
Andrei Solodovnikov 683f609f25 ЛР10. Добавление тб для контроллеров
2023-11-14 11:12:52 +03:00

412 lines
9.7 KiB
Systemverilog
Raw Blame History

//////////////////////////////////////////////////////////////////////////////////
// Company: MIET
// Engineer: Daniil Strelkov
// Module Name: tb_irq
// Project Name: RISCV_practicum
// Target Devices: Nexys A7-100T
// Description: tb for interrupt controller
//
//////////////////////////////////////////////////////////////////////////////////
module tb_irq();
logic clk_i;
logic rst_i;
logic exception_i;
logic irq_req_i;
logic mret_i;
logic mie_i;
logic irq_ret_o;
logic [31:0] irq_cause_o;
logic irq_o;
interrupt_controller dut(.*);
always #5 clk_i <= ~clk_i;
initial begin
$display("\n\n===========================\n\nPress button 'Run All' (F3)\n\n===========================\n\n");
$stop();
clk_i <= 0;
exception_i = '0;
mret_i = '0;
irq_req_i = '0;
mie_i = '0;
repeat(4)@(posedge clk_i);
t1();
t2();
t3();
t4();
t5();
t6();
t7();
t8();
t9();
t10();
t11();
t12();
$finish;
end
task reset();
rst_i <= 1'b1;
@(posedge clk_i);
@(posedge clk_i);
rst_i <= 1'b0;
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 0;
endtask
logic [1:0] k;
task t1();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=1) $display("Error: irq_o != 1");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t2();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 0;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t3();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t4();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 0;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t5();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=1) $display("Error: irq_ret_o != 1");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t6();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 0;
mie_i = 1;
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t7();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t8();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=1) $display("Error: irq_ret_o != 1");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
endtask
task t9();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=1) $display("Error: irq_ret_o != 1");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=1) $display("Error: irq_o != 1");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
endtask
task t10();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 0;
mie_i = 1;
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=1) $display("Error: irq_o != 1");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
endtask
task t11();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
endtask
task t12();
reset();
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
@(posedge clk_i);
mret_i = 0;
exception_i = 1;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 1;
exception_i = 0;
irq_req_i = 0;
mie_i = 1;
#1
if (irq_o!=0) $display("Error: irq_o != 0");
if (irq_ret_o!=1) $display("Error: irq_ret_o != 1");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
@(posedge clk_i);
mret_i = 0;
exception_i = 0;
irq_req_i = 1;
mie_i = 1;
#1
if (irq_o!=1) $display("Error: irq_o != 1");
if (irq_ret_o!=0) $display("Error: irq_ret_o != 0");
if (irq_cause_o!=32'h1000_0010) $display("Error: irq_o != 32'h1000_0010");
endtask
endmodule
Reference in New Issue View Git Blame Copy Permalink