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// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2025 by Antmicro.
// SPDX-License-Identifier: CC0-1.0
`define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); end while(0)
function bit [1:0] get_arg (bit [1:0] x);
return x;
endfunction
module t;
bit [1:0] a;
bit [1:0] b = 1;
initial begin
#1 a = 0;
force b = get_arg(a);
`checkh(a, 0);
`checkh(b, 0);
a = 1;
#1;
`checkh(a, 1);
`checkh(b, 1);
a = 2;
#1;
`checkh(a, 2);
// TODO
// IEEE 1800-2023 10.6
// Assignment shall be reevaluated while the assign or force is in effect.
`checkh(b, 2);
a = 3;
#1;
`checkh(a, 3);
`checkh(b, 3);
release b;
`checkh(a, 3);
`checkh(b, 3);
b = 2;
`checkh(b, 2);
#1 $finish;
end
endmodule
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