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`timescale 1ns / 1ps
/**
* counter: a generic clearable up-counter
*/
module counter
#(parameter WIDTH=64, NAME="world")
(
input clk,
input ce,
input arst_n,
output reg [WIDTH-1:0] q
);
string name = "counter";
localparam val0 = 12'ha1f;
localparam val1 = 12'h1fa;
localparam val2 = 12'hfa1;
// some child
clock_buffer #(WIDTH) buffer_inst (
.clk(clk),
.ce(ce),
.reset(arst_n)
);
// Simple gated up-counter with async clear
always @(posedge clk or negedge arst_n) begin
if (arst_n == 1'b0) begin
q <= {WIDTH {1'b0}};
end
else begin
q <= q;
if (ce == 1'b1) begin
q <= q + 1;
end
end
end
function int add_one(int x);
return x + 1;
endfunction : add_one
`ifdef SIMULATION
initial $display("Hello %s", NAME);
`endif
endmodule : counter
class my_data extends uvm_data;
int x, y;
function add_one();
x++;
y++;
endfunction : add_one
endclass : my_data