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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
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#!/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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# Test for bin/verilator_gantt,
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import vltest_bootstrap
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test.scenarios('vlt_all')
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test.top_filename = "t/t_gen_alw.v" # Any, as long as runs a few cycles
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threads_num = (2 if test.vltmt else 1)
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test.compile(
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make_top_shell=False,
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make_main=False,
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v_flags2=["--prof-exec --exe", test.pli_filename],
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# Checks below care about thread count, so use 2 (minimum reasonable)
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threads=threads_num,
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make_flags=["CPPFLAGS_ADD=\"-DVL_NO_LEGACY -DTEST_USE_THREADS=" + str(threads_num) + "\""])
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test.execute(all_run_flags=[
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"+verilator+prof+exec+start+4",
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" +verilator+prof+exec+window+4",
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" +verilator+prof+exec+file+" + test.obj_dir + "/profile_exec.dat",
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" +verilator+prof+vlt+file+" + test.obj_dir + "/profile.vlt"]) # yapf:disable
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# For now, verilator_gantt still reads from STDIN
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# (probably it should take a file, gantt.dat like verilator_profcfunc)
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# The profiling data still goes direct to the runtime's STDOUT
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# (maybe that should go to a separate file - gantt.dat?)
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test.run(cmd=[
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os.environ["VERILATOR_ROOT"] + "/bin/verilator_gantt",
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test.obj_dir + "/profile_exec.dat",
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"--vcd " + test.obj_dir + "/profile_exec.vcd",
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"| tee " + test.obj_dir + "/gantt.log"]) # yapf:disable
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if test.vltmt:
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test.file_grep(test.obj_dir + "/gantt.log", r'Total threads += 2')
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test.file_grep(test.obj_dir + "/gantt.log", r'Total mtasks += 7')
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else:
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test.file_grep(test.obj_dir + "/gantt.log", r'Total threads += 1')
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test.file_grep(test.obj_dir + "/gantt.log", r'Total mtasks += 0')
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test.file_grep(test.obj_dir + "/gantt.log", r'\|\s+4\s+\|\s+4\.0+\s+\|\s+eval')
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# Diff to itself, just to check parsing
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test.vcd_identical(test.obj_dir + "/profile_exec.vcd", test.obj_dir + "/profile_exec.vcd")
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test.passes()
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