84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of either the GNU Lesser General Public License Version 3
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# or the Perl Artistic License Version 2.0.
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# SPDX-FileCopyrightText: 2026 Wilson Snyder
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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import os
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def run(test, *, verilator_flags2=()):
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variant, mode, fmt = test.parse_name(r"t_trace_two_(dump|port|hdr)_(cc|sc)_([a-z]+).*")
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if mode == "sc" and not test.have_sc:
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test.skip("No SystemC installed")
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# All test use the same SV file
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test.top_filename = "t/t_trace_two_a.v"
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# Main driver file depends on mode
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main_filename = f"t/t_trace_two_{mode}.cpp"
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# Any variations after the format name must yield the exact same trace
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test.golden_filename = test.py_filename.rpartition(fmt)[0] + fmt + ".out"
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common_flags = [
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f"--{mode}",
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f"--trace-{fmt}",
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f"+define+TRACE_FMT={fmt}",
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"-CFLAGS",
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f"-DTRACE_FMT={fmt}",
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]
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match mode:
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case "cc":
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common_flags.extend([
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"-CFLAGS",
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f"-DTRACE_HEADER_C=verilated_{fmt}_c.h",
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"-CFLAGS",
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f"-DVERILATED_TRACE_C=Verilated{fmt.capitalize()}C",
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])
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case "sc":
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common_flags.extend([
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"-CFLAGS",
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f"-DTRACE_HEADER_SC=verilated_{fmt}_sc.h",
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"-CFLAGS",
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f"-DVERILATED_TRACE_SC=Verilated{fmt.capitalize()}Sc",
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])
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case _:
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test.error(f"Unhandled test mode '{mode}'")
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match variant:
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case "dump":
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common_flags.append("+define+TEST_DUMP")
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case "port":
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common_flags.append("+define+TEST_DUMPPORTS")
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case "hdr":
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common_flags.extend(["-CFLAGS", "-DTEST_HDR_TRACE=1"])
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case _:
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test.error(f"Unhandled test variant '{variant}'")
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common_flags.extend(verilator_flags2)
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# Verilate 'b'
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test.compile(make_main=False,
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verilator_make_gmake=False,
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top_filename='t_trace_two_b.v',
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vm_prefix='Vt_trace_two_b',
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verilator_flags2=common_flags)
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# Create the ALL.cpp for 'b'
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test.run(logfile=test.obj_dir + "/make_first_ALL.log",
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cmd=[
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os.environ["MAKE"], "-C", "" + test.obj_dir, "-f", "Vt_trace_two_b.mk",
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"Vt_trace_two_b__ALL.cpp"
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])
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# Build 'a', this includes ALL.cpp for 'b'
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test.compile(make_main=False,
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top_filename='t_trace_two_a.v',
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verilator_flags2=common_flags + ['--exe', main_filename])
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test.execute()
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test.trace_identical(test.trace_filename, test.golden_filename)
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test.passes()
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