58 lines
2.0 KiB
Python
Executable File
58 lines
2.0 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 2025 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')
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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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test.mkdir_ok(secret_dir)
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# Compile the lib
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test.run(logfile=secret_dir + "/vlt_compile.log",
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cmd=[
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"perl", os.environ["VERILATOR_ROOT"] + "/bin/verilator", '--no-timing', "--prof-exec",
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trace_opt, "--prefix", "Vt_lib_prot_secret", "-cc", "-Mdir", secret_dir,
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"--lib-create", secret_prefix, "t/t_lib_prot_secret.v"
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],
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verilator_run=True)
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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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# Compile the simulator
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test.compile(verilator_flags2=[
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'--no-timing', "--prof-exec", trace_opt, "-LDFLAGS", secret_prefix +
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"/libsecret.a", secret_dir + "/secret.sv"
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])
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# Run with profiling
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test.execute(all_run_flags=[
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"+verilator+prof+exec+start+0", " +verilator+prof+exec+window+10",
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" +verilator+prof+exec+file+" + test.obj_dir + "/profile_exec.dat"
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])
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# Generate report
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gantt_log = test.obj_dir + "/gantt.log"
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test.run(cmd=[
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os.environ["VERILATOR_ROOT"] + "/bin/verilator_gantt", test.obj_dir +
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"/profile_exec.dat", "--vcd " + test.obj_dir + "/profile_exec.vcd", "| tee " + gantt_log
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])
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# Check both lib and sim are present
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test.file_grep(gantt_log, r'\|\s+[1-9][0-9]*\s+\|\s+[0-9.]+\s+\|\s+eval')
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test.file_grep(gantt_log, r'\|\s+[1-9][0-9]*\s+\|\s+[0-9.]+\s+\|\s+secret:eval')
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test.passes()
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