#!/usr/bin/env python3 # DESCRIPTION: Verilator: Verilog Test driver/expect definition # # Copyright 2024 by Wilson Snyder. 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 import vltest_bootstrap test.scenarios('vlt', 'xsim') if test.benchmark: test.sim_time = test.benchmark * 100 secret_prefix = "secret" secret_dir = test.obj_dir + "/" + secret_prefix test.mkdir_ok(secret_dir) trace_opt = "" # Always compile the secret file with Verilator no matter what simulator # we are testing with test.run(logfile=secret_dir + "/vlt_compile.log", cmd=["perl", os.environ["VERILATOR_ROOT"] + "/bin/verilator", '--no-timing', trace_opt, "--prefix", "Vt_lib_prot_secret", "-cc", "-Mdir", secret_dir, "--protect-lib", secret_prefix, "--protect-key", "secret-key", "t/t_lib_prot_secret.v"], verilator_run=True) # yapf:disable test.run(logfile=secret_dir + "/secret_gcc.log", cmd=[os.environ["MAKE"], "-C", secret_dir, "-f", "Vt_lib_prot_secret.mk"]) test.compile(verilator_flags2=['--no-timing', trace_opt, "-LDFLAGS", secret_prefix + "/libsecret.a", secret_dir + "/secret.sv"], xsim_flags2=[secret_dir + "/secret.sv"]) # yapf:disable test.execute(xsim_run_flags2=["--sv_lib", secret_dir + "/libsecret", "--dpi_absolute"]) if test.vlt and test.trace: # We can see the ports of the secret module test.file_grep(test.trace_filename, r'accum_in') # but we can't see what's inside test.file_grep_not(test.trace_filename, r'secret_') test.passes()