// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed into the Public Domain, for any use, // without warranty, 2013 by Ed Lander. // verilator lint_off WIDTH `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); module t (/*AUTOARG*/ // Inputs clk ); input clk; reg [7:0] p1; reg [7:0] p2; reg [7:0] p3; initial begin p1 = 8'h01; p2 = 8'h02; p3 = 8'h03; end parameter int param1 = 8'h11; parameter int param2 = 8'h12; parameter int param3 = 8'h13; targetmod i_targetmod (/*AUTOINST*/ // Inputs .clk (clk)); //Binding i_targetmod to mycheck --instantiates i_mycheck inside i_targetmod //param1 not over-riden (as mycheck) (=> 0x31) //param2 explicitly bound to targetmod value (=> 0x22) //param3 explicitly bound to top value (=> 0x13) //p1 implictly bound (.*), takes value from targetmod (=> 0x04) //p2 explictly bound to targetmod (=> 0x05) //p3 explictly bound to top (=> 0x03) // Alternative unsupported form is i_targetmod bind targetmod mycheck #( .param2(param2), .param3(param3) ) i_mycheck (.p2(p2), .p3(p3), .*); endmodule module targetmod (input clk); reg [7:0] p1; reg [7:0] p2; reg [7:0] p3; parameter int param1 = 8'h21; parameter int param2 = 8'h22; parameter int param3 = 8'h23; initial begin p1 = 8'h04; p2 = 8'h05; p3 = 8'h06; end endmodule module mycheck (/*AUTOARG*/ // Inputs clk, p1, p2, p3 ); input clk; input [7:0] p1; input [7:0] p2; input [7:0] p3; parameter int param1 = 8'h31; parameter int param2 = 8'h32; parameter int param3 = 8'h33; always @ (posedge clk) begin `checkh(param1,8'h31); `checkh(param2,8'h22); `checkh(param3,8'h23); `checkh(p1,8'h04); `checkh(p2,8'h05); `checkh(p3,8'h06); $write("*-* All Finished *-*\n"); $finish; end endmodule