yosys/tests/simple/attrib02_port_decl.v

26 lines
500 B
Verilog

module attrib02_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 attrib02_foo(clk, rst, inp, out);
(* this_is_the_master_clock *)
input wire clk;
input wire rst;
input wire inp;
output wire out;
attrib02_bar bar_instance (clk, rst, inp, out);
endmodule