verilator/test_regress/t/t_class_param_mod.v
2022-01-01 13:48:53 -05:00

83 lines
2.2 KiB
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2020 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
`define checks(gotv,expv) do if ((gotv) != (expv)) begin $write("%%Error: %s:%0d: got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); $stop; end while(0);
// See also t_class_param.v
module t (/*AUTOARG*/);
class Cls #(parameter PBASE = 12);
bit [PBASE-1:0] member;
function bit [PBASE-1:0] get_member;
return member;
endfunction
static function int get_p;
return PBASE;
endfunction
typedef enum { E_PBASE = PBASE } enum_t;
endclass
class Wrap #(parameter P = 13);
function int get_p;
return c1.get_p();
endfunction
function new;
c1 = new;
endfunction
Cls#(PMINUS1 + 1) c1;
localparam PMINUS1 = P - 1; // Checking works when last
endclass
typedef Cls#(8) Cls8_t;
Cls c12;
Cls #(.PBASE(4)) c4;
Cls8_t c8;
Wrap #(.P(16)) w16;
initial begin
c12 = new;
c4 = new;
c8 = new;
w16 = new;
if (Cls#()::PBASE != 12) $stop;
if (Cls#(4)::PBASE != 4) $stop;
if (Cls8_t::PBASE != 8) $stop;
if (Cls#()::E_PBASE != 12) $stop;
if (Cls#(4)::E_PBASE != 4) $stop;
if (Cls8_t::E_PBASE != 8) $stop;
if (c12.PBASE != 12) $stop;
if (c4.PBASE != 4) $stop;
if (c8.PBASE != 8) $stop;
if (Cls#()::get_p() != 12) $stop;
if (Cls#(4)::get_p() != 4) $stop;
if (Cls8_t::get_p() != 8) $stop;
if (c12.get_p() != 12) $stop;
if (c4.get_p() != 4) $stop;
if (c8.get_p() != 8) $stop;
if (w16.get_p() != 16) $stop;
// verilator lint_off WIDTH
c12.member = 32'haaaaaaaa;
c4.member = 32'haaaaaaaa;
c8.member = 32'haaaaaaaa;
// verilator lint_on WIDTH
if (c12.member != 12'haaa) $stop;
if (c4.member != 4'ha) $stop;
if (c12.get_member() != 12'haaa) $stop;
if (c4.get_member() != 4'ha) $stop;
`checks($sformatf("%p", c12), "'{member:'haaa}");
`checks($sformatf("%p", c4), "'{member:'ha}");
$write("*-* All Finished *-*\n");
$finish;
end
endmodule