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59 lines
2.2 KiB
Python
Executable File
59 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# DESCRIPTION: Verilator: Verilog Test driver/expect definition
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#
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# Copyright 2024 by Wilson Snyder. This program is free software; you
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# can redistribute it and/or modify it under the terms of either the GNU
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# Lesser General Public License Version 3 or the Perl Artistic License
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# Version 2.0.
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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import vltest_bootstrap
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test.scenarios('vlt_all', 'xsim')
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test.top_filename = "t/t_lib_prot.v"
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if test.benchmark:
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test.sim_time = test.benchmark * 100
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trace_opt = "" if re.search(r'--no-trace', ' '.join(test.driver_verilator_flags)) else "-trace"
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secret_prefix = "secret"
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secret_dir = test.obj_dir + "/" + secret_prefix
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abs_secret_dir = os.path.abspath(secret_dir)
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test.mkdir_ok(secret_dir)
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# Always compile the secret file with Verilator no matter what simulator
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# we are testing with
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test.run(logfile=secret_dir + "/vlt_compile.log",
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cmd=["perl", os.environ["VERILATOR_ROOT"] + "/bin/verilator",
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(' --threads 6' if test.vltmt else ''),
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'--no-timing',
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"--prefix", "Vt_lib_prot_secret",
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"-cc",
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"-Mdir", secret_dir,
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"--protect-lib", secret_prefix,
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"--protect-key", "secret-key",
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"t/t_lib_prot_secret.v"],
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verilator_run=True) # yapf:disable
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test.run(logfile=secret_dir + "/secret_gcc.log",
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cmd=[os.environ["MAKE"], "-C", secret_dir, "-f", "Vt_lib_prot_secret.mk"])
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test.compile(verilator_flags2=['--no-timing',
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"-LDFLAGS", "'-Wl,-rpath," + abs_secret_dir + " -L" + abs_secret_dir + " -l" + secret_prefix + "'",
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secret_dir + "/secret.sv"],
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xsim_flags2=[secret_dir + "/secret.sv"],
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threads=1,
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context_threads=(6 if test.vltmt else 1)) # yapf:disable
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test.execute(run_env="DYLD_FALLBACK_LIBRARY_PATH=" + abs_secret_dir,
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xsim_run_flags2=["--sv_lib", secret_dir + "/libsecret", "--dpi_absolute"])
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if test.vlt and test.trace:
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# We can see the ports of the secret module
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test.file_grep(test.trace_filename, r'accum_in')
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# but we can't see what's inside
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test.file_grep_not(test.trace_filename, r'secret_')
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test.passes()
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