@ -1,43 +1,18 @@
import argparse
import importlib
import os
import multiprocessing
from amaranth import *
from amaranth.asserts import *
from power_fv import pfv
from power_fv.checks import *
from power_fv.tb import Testbench
from power_fv.build import SymbiYosysPlatform
from _wrapper import MicrowattWrapper
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("check", help="check", type=str, choices=("unique", "ia_fwd", "gpr", "cr", "spr"))
parser.add_argument("--mode", help="mode", type=str, choices=("cover", "bmc"), default="bmc")
parser.add_argument("--pre", help="pre-condition step, in clock cycles (default: 15)", type=int, default=15)
parser.add_argument("--post", help="post-condition step, in clock cycles (default: 15)", type=int, default=15)
args = parser.parse_args()
check = None
if args.check == "unique":
check = UniquenessCheck() if args.mode == "bmc" else UniquenessCover()
if args.check == "ia_fwd":
check = IAForwardCheck() if args.mode == "bmc" else IAForwardCover()
if args.check == "gpr":
check = GPRCheck()
if args.check == "cr":
check = CRCheck()
if args.check == "spr":
check = SPRCheck() if args.mode == "bmc" else SPRCover()
cpu = MicrowattWrapper()
testbench = Testbench(check, cpu, t_pre=args.pre, t_post=args.post)
platform = SymbiYosysPlatform()
microwatt_files = [
def microwatt_files():
_filenames = (
"cache_ram.vhdl",
"common.vhdl",
"control.vhdl",
@ -64,28 +39,66 @@ if __name__ == "__main__":
"nonrandom.vhdl",
"plru.vhdl",
"pmu.vhdl",
"powerfv_types.vhdl",
"powerfv.vhdl",
"ppc_fx_insns.vhdl",
"register_file.vhdl",
"rotator.vhdl",
"utils.vhdl",
"wishbone_types.vhdl",
"writeback.vhdl",
)
"powerfv_types.vhdl",
"powerfv.vhdl",
]
for filename in _filenames:
contents = open(os.path.join(os.curdir, "microwatt", filename), "r").read()
yield filename, contents
top_filename = "microwatt_top.vhdl"
top_contents = open(os.path.join(os.curdir, top_filename), "r").read()
yield top_filename, top_contents
for filename in microwatt_files:
file = open(os.path.join(os.curdir, "microwatt", filename), "r")
platform.add_file(filename, file.read())
platform.add_file("microwatt_top.vhdl", open(os.path.join(os.curdir, "microwatt_top.vhdl"), "r"))
def run_check(module_name, pre, post):
module = importlib.import_module(f".{module_name}", package="power_fv.checks")
check = module.Check()
cpu = MicrowattWrapper()
top = Testbench(check, cpu, t_pre=pre, t_post=post)
platform.build(testbench,
name = f"{args.check}_{args.mode}_tb",
build_dir = f"build/{args.check}_{args.mode}",
mode = args.mode,
platform = SymbiYosysPlatform()
for filename, contents in microwatt_files():
platform.add_file(filename, contents)
top_name = "{}_tb".format(module_name)
build_dir = "build/{}".format(top_name)
platform.build(
top = top,
name = top_name,
build_dir = build_dir,
mode = "bmc",
ghdl_opts = "--std=08",
# TODO: investigate why combinatorial loops appear with `prep -flatten -nordff`
prep_opts = "-nordff",
)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-j", "--jobs",
help="Number of worker processes (default: os.cpu_count())",
type=int,
default=os.cpu_count(),
)
args = parser.parse_args()
checks = [
# name pre post
("unique", 12, 15),
("ia_fwd", None, 15),
("gpr", None, 15),
("cr", None, 15),
("spr", None, 15),
]
with multiprocessing.Pool(processes=args.jobs) as pool:
pool.starmap(run_check, checks)
