mirror of
https://github.com/verilator/verilator.git
synced 2025-01-05 22:27:35 +00:00
57 lines
1.6 KiB
Systemverilog
57 lines
1.6 KiB
Systemverilog
// DESCRIPTION: Verilator: Verilog Test module
|
|
//
|
|
// This file ONLY is placed into the Public Domain, for any use,
|
|
// without warranty, 2017 by Matt Myers.
|
|
// SPDX-License-Identifier: CC0-1.0
|
|
|
|
`define stop $stop
|
|
`define checkd(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got=%0d exp=%0d\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
|
|
|
|
package config_pkg;
|
|
typedef struct packed {
|
|
int UPPER0;
|
|
struct packed {
|
|
int USE_QUAD0;
|
|
int USE_QUAD1;
|
|
int USE_QUAD2;
|
|
} mac;
|
|
int UPPER2;
|
|
} config_struct;
|
|
|
|
function automatic config_struct static_config(int selector);
|
|
config_struct return_config;
|
|
return_config = '0;
|
|
return_config.UPPER0 = 10;
|
|
return_config.UPPER2 = 20;
|
|
return_config.mac.USE_QUAD0 = 4;
|
|
return_config.mac.USE_QUAD2 = 6;
|
|
case (selector)
|
|
1: return_config.mac.USE_QUAD1 = 5;
|
|
endcase
|
|
return return_config;
|
|
endfunction
|
|
endpackage : config_pkg
|
|
|
|
module t;
|
|
import config_pkg::*;
|
|
|
|
localparam config_struct MY_CONFIG = static_config(1);
|
|
|
|
struct_submodule #(.MY_CONFIG(MY_CONFIG)) a_submodule_I ();
|
|
endmodule : t
|
|
|
|
module struct_submodule
|
|
import config_pkg::*;
|
|
#(parameter config_struct MY_CONFIG = '0);
|
|
|
|
initial begin
|
|
`checkd(MY_CONFIG.UPPER0, 10);
|
|
`checkd(MY_CONFIG.mac.USE_QUAD0, 4);
|
|
`checkd(MY_CONFIG.mac.USE_QUAD1, 5);
|
|
`checkd(MY_CONFIG.mac.USE_QUAD2, 6);
|
|
`checkd(MY_CONFIG.UPPER2, 20);
|
|
$write("*-* All Finished *-*\n");
|
|
$finish;
|
|
end
|
|
endmodule : struct_submodule
|