verilator/test_regress/t/t_force_unpacked_struct.v

84 lines
2.1 KiB
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2026 Antmicro
// SPDX-License-Identifier: CC0-1.0
// verilog_format: off
`define stop $stop
`define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0)
`define checkr(gotv,expv) do if ((gotv) != (expv)) begin $write("%%Error: %s:%0d: got=%f exp=%f\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
// verilog_format: on
module t (
input clk
);
integer cyc = 0;
typedef struct {
int x;
logic y;
int arr[5];
} struct_t;
struct_t s_array[3];
struct_t my_struct;
// Test loop
always @(posedge clk) begin
cyc <= cyc + 1;
if (cyc == 0) begin
s_array[1].x = 1;
s_array[1].arr[2] = 1;
my_struct.x <= 1;
end
else if (cyc == 1) begin
`checkh(s_array[1].x, 1);
`checkh(s_array[1].arr[2], 1);
`checkh(my_struct.x, 1);
end
else if (cyc == 2) begin
force s_array[1].x = 0;
force s_array[1].arr[2] = 2;
force my_struct.x = 0;
end
else if (cyc == 3) begin
`checkh(s_array[1].x, 0);
s_array[1].x = 1;
`checkh(s_array[1].arr[2], 2);
s_array[1].arr[2] = 3;
`checkh(my_struct.x, 0);
my_struct.x <= 1;
end
else if (cyc == 4) begin
`checkh(s_array[1].x, 0);
`checkh(s_array[1].arr[2], 2);
`checkh(my_struct.x, 0);
end
else if (cyc == 5) begin
release s_array[1].x;
release s_array[1].arr[2];
release my_struct.x;
end
else if (cyc == 6) begin
`checkh(s_array[1].x, 0);
s_array[1].x = 1;
`checkh(s_array[1].arr[2], 2);
s_array[1].arr[2] = 4;
`checkh(my_struct.x, 0);
my_struct.x <= 1;
end
else if (cyc == 7) begin
`checkh(s_array[1].x, 1);
`checkh(s_array[1].arr[2], 4);
`checkh(my_struct.x, 1);
end
else if (cyc == 8) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
endmodule