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yosys/tests/simple/attrib02_port_decl.v
Maciej Kurc 5739cf5265 Added tests for attributes
Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
2019-06-03 09:25:20 +02:00

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473 B
Verilog

module bar(clk, rst, inp, out);
(* this_is_clock = 1 *)
input wire clk;
(* this_is_reset = 1 *)
input wire rst;
input wire inp;
(* an_output_register = 1*)
output reg out;
always @(posedge clk)
if (rst) out <= 1'd0;
else out <= ~inp;
endmodule
module foo(clk, rst, inp, out);
(* this_is_the_master_clock *)
input wire clk;
input wire rst;
input wire inp;
output wire out;
bar bar_instance (clk, rst, inp, out);
endmodule