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// DESCRIPTION: Verilator: Interface parameter getter
//
// A test of the import parameter used with modport
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2015 by Todd Strader
// SPDX-License-Identifier: CC0-1.0
interface test_if #(parameter integer FOO = 1);
// Interface variable
logic data;
// Modport
modport mp(
import getFoo,
output data
);
function integer getFoo ();
return FOO;
endfunction
endinterface // test_if
function integer identity (input integer x);
return x;
endfunction
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
test_if #( .FOO (identity(5)) ) the_interface ();
test_if #( .FOO (identity(7)) ) array_interface [1:0] ();
testmod testmod_i (.clk (clk),
.intf (the_interface),
.intf_no_mp (the_interface),
.intf_array (array_interface)
);
localparam THE_TOP_FOO = the_interface.FOO;
localparam THE_TOP_FOO_BITS = $bits({the_interface.FOO, the_interface.FOO});
localparam THE_ARRAY_FOO = array_interface[0].FOO;
initial begin
if (THE_TOP_FOO != 5) begin
$display("%%Error: THE_TOP_FOO = %0d", THE_TOP_FOO);
$stop;
end
if (THE_TOP_FOO_BITS != 64) begin
$display("%%Error: THE_TOP_FOO_BITS = %0d", THE_TOP_FOO_BITS);
$stop;
end
if (THE_ARRAY_FOO != 7) begin
$display("%%Error: THE_ARRAY_FOO = %0d", THE_ARRAY_FOO);
$stop;
end
end
endmodule
module testmod
(
input clk,
test_if.mp intf,
test_if intf_no_mp,
test_if.mp intf_array [1:0]
);
localparam THE_FOO = intf.FOO;
localparam THE_OTHER_FOO = intf_no_mp.FOO;
localparam THE_ARRAY_FOO = intf_array[0].FOO;
always @(posedge clk) begin
if (THE_FOO != 5) begin
$display("%%Error: THE_FOO = %0d", THE_FOO);
$stop;
end
if (THE_OTHER_FOO != 5) begin
$display("%%Error: THE_OTHER_FOO = %0d", THE_OTHER_FOO);
$stop;
end
if (THE_ARRAY_FOO != 7) begin
$display("%%Error: THE_ARRAY_FOO = %0d", THE_ARRAY_FOO);
$stop;
end
if (intf.FOO != 5) begin
$display("%%Error: intf.FOO = %0d", intf.FOO);
$stop;
end
if (intf_no_mp.FOO != 5) begin
$display("%%Error: intf_no_mp.FOO = %0d", intf_no_mp.FOO);
$stop;
end
if (intf_array[0].FOO != 7) begin
$display("%%Error: intf_array[0].FOO = %0d", intf_array[0].FOO);
$stop;
end
// if (i.getFoo() != 5) begin
// $display("%%Error: i.getFoo() = %0d", i.getFoo());
// $stop;
// end
$write("*-* All Finished *-*\n");
$finish;
end
endmodule
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