sbysrc/sby_mode_cover.py

   1 #
   2 # SymbiYosys (sby) -- Front-end for Yosys-based formal verification flows
   3 #
   4 # Copyright (C) 2016  Claire Xenia Wolf <claire@yosyshq.com>
   5 #
   6 # Permission to use, copy, modify, and/or distribute this software for any
   7 # purpose with or without fee is hereby granted, provided that the above
   8 # copyright notice and this permission notice appear in all copies.
   9 #
  10 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17 #
  18
  19 import re, os, getopt
  20 from sby_core import SbyProc
  21
  22 def run(task):
  23     task.handle_int_option("depth", 20)
  24     task.handle_int_option("append", 0)
  25
  26     for engine_idx in range(len(task.engines)):
  27         engine = task.engines[engine_idx]
  28         assert len(engine) > 0
  29
  30         task.log(f"""engine_{engine_idx}: {" ".join(engine)}""")
  31         task.makedirs(f"{task.workdir}/engine_{engine_idx}")
  32
  33         if engine[0] == "smtbmc":
  34             import sby_engine_smtbmc
  35             sby_engine_smtbmc.run("cover", task, engine_idx, engine)
  36
  37         elif engine[0] == "btor":
  38             import sby_engine_btor
  39             sby_engine_btor.run("cover", task, engine_idx, engine)
  40
  41         else:
  42             task.error(f"Invalid engine '{engine[0]}' for cover mode.")