mirror of
https://github.com/verilator/verilator.git
synced 2025-01-06 06:37:45 +00:00
60 lines
1.1 KiB
Systemverilog
60 lines
1.1 KiB
Systemverilog
|
// DESCRIPTION: Verilator: SystemVerilog interface test module
|
||
|
//
|
||
|
// This file ONLY is placed into the Public Domain, for any use,
|
||
|
// without warranty, 2012 by Iztok Jeras.
|
||
|
// SPDX-License-Identifier: CC0-1.0
|
||
|
|
||
|
package Package_pkg;
|
||
|
typedef struct packed {
|
||
|
int bar;
|
||
|
int baz;
|
||
|
} pkg_struct_t;
|
||
|
endpackage
|
||
|
|
||
|
interface intf
|
||
|
#(parameter type data_type = bit)
|
||
|
(input wire clk,
|
||
|
input wire rst);
|
||
|
data_type data;
|
||
|
modport source (
|
||
|
input clk, rst,
|
||
|
output data
|
||
|
);
|
||
|
endinterface
|
||
|
|
||
|
module sub (
|
||
|
intf.source bar,
|
||
|
input clk,
|
||
|
input rst);
|
||
|
|
||
|
typedef struct packed {
|
||
|
int foo;
|
||
|
int baz;
|
||
|
} struct_t;
|
||
|
|
||
|
intf #(.data_type(struct_t)) the_intf (.*);
|
||
|
|
||
|
Package_pkg::pkg_struct_t output_bar = Package_pkg::pkg_struct_t'{
|
||
|
bar: the_intf.data.foo,
|
||
|
baz: the_intf.data.baz
|
||
|
};
|
||
|
endmodule
|
||
|
|
||
|
module t(clk);
|
||
|
input clk;
|
||
|
logic rst;
|
||
|
|
||
|
intf bar (.*);
|
||
|
sub the_sub (
|
||
|
.bar(bar),
|
||
|
.clk,
|
||
|
.rst
|
||
|
);
|
||
|
|
||
|
// finish report
|
||
|
always @ (posedge clk) begin
|
||
|
$write("*-* All Finished *-*\n");
|
||
|
$finish;
|
||
|
end
|
||
|
endmodule
|