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#!/usr/bin/env perl
# Makes the test run with tracing enabled by default, can be overridden
# with --notrace
unshift(@ARGV, "--trace");
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2019 by Todd Strader. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(
vlt => 1,
xsim => 1,
);
$Self->{sim_time} = $Self->{benchmark} * 100 if $Self->{benchmark};
my $secret_prefix = "secret";
my $secret_dir = "$Self->{obj_dir}/$secret_prefix";
mkdir $secret_dir;
while (1) {
# Always compile the secret file with Verilator no matter what simulator
# we are testing with
run(logfile => "$secret_dir/vlt_compile.log",
cmd => ["perl",
"$ENV{VERILATOR_ROOT}/bin/verilator",
"--prefix",
"Vt_prot_lib_secret",
"-cc",
"-Mdir",
$secret_dir,
"--protect-lib",
$secret_prefix,
"t/t_prot_lib_secret.v"],
verilator_run => 1,
);
last if $Self->{errors};
run(logfile => "$secret_dir/secret_gcc.log",
cmd=>[$ENV{MAKE},
"-C",
$secret_dir,
"-f",
"Vt_prot_lib_secret.mk"]);
last if $Self->{errors};
compile(
verilator_flags2 => ["$secret_dir/secret.sv",
"-LDFLAGS",
"$secret_prefix/libsecret.a"],
xsim_flags2 => ["$secret_dir/secret.sv"],
);
execute(
check_finished => 1,
xsim_run_flags2 => ["--sv_lib",
"$secret_dir/libsecret",
"--dpi_absolute"],
);
if ($Self->{vlt} && $Self->{trace}) {
# We can see the ports of the secret module
file_grep("$Self->{obj_dir}/simx.vcd", qr/accum_in/);
# but we can't see what's inside
file_grep_not("$Self->{obj_dir}/simx.vcd", qr/secret_/);
}
ok(1);
last;
}
1;
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