@ -5,43 +5,28 @@ from amaranth import *
from amaranth.asserts import *
from amaranth.asserts import *
from power_fv import pfv
from power_fv import pfv
from power_fv.checks import *
from power_fv.tb import Testbench
from power_fv.tb import Testbench
from power_fv.build import SymbiYosysPlatform
from power_fv.build import SymbiYosysPlatform
from _wrapper import MicrowattWrapper
from _wrapper import MicrowattWrapper
class SmokeCheck(Elaboratable):
def __init__(self, mode="bmc"):
self.mode = mode
self.pre = Signal()
self.post = Signal()
self.pfv = pfv.Interface()
def elaborate(self, platform):
m = Module()
if self.mode == "bmc":
with m.If(self.pre):
m.d.comb += Assume(self.pfv.stb)
if self.mode == "cover":
m.d.comb += Cover(self.pfv.stb)
return m
if __name__ == "__main__":
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser = argparse.ArgumentParser()
parser.add_argument("check", help="check", type=str, choices=("unique"))
parser.add_argument("--mode", help="mode", type=str, choices=("cover", "bmc"), default="bmc")
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: 10)", type=int, default=10)
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: 10)", type=int, default=10)
parser.add_argument("--post", help="post-condition step, in clock cycles (default: 15)", type=int, default=15)
args = parser.parse_args()
args = parser.parse_args()
microwatt = MicrowattWrapper()
check = None
smoke_check = SmokeCheck(mode=args.mode)
if args.check == "unique":
smoke_tb = Testbench(smoke_check, microwatt, t_pre=args.pre, t_post=args.post)
check = UniquenessCheck() if args.mode == "bmc" else UniquenessCover()
cpu = MicrowattWrapper()
testbench = Testbench(check, cpu, t_pre=args.pre, t_post=args.post)
platform = SymbiYosysPlatform()
platform = SymbiYosysPlatform()
microwatt_files = [
microwatt_files = [
@ -77,6 +62,9 @@ if __name__ == "__main__":
"utils.vhdl",
"utils.vhdl",
"wishbone_types.vhdl",
"wishbone_types.vhdl",
"writeback.vhdl",
"writeback.vhdl",
"powerfv_types.vhdl",
"powerfv.vhdl",
]
]
for filename in microwatt_files:
for filename in microwatt_files:
@ -85,8 +73,11 @@ if __name__ == "__main__":
platform.add_file("microwatt_top.vhdl", open(os.path.join(os.curdir, "microwatt_top.vhdl"), "r"))
platform.add_file("microwatt_top.vhdl", open(os.path.join(os.curdir, "microwatt_top.vhdl"), "r"))
platform.build(smoke_tb, name="smoke_tb", build_dir="build/smoke",
platform.build(testbench,
ghdl_opts="--std=08 --no-formal",
name = f"{args.check}_{args.mode}_tb",
build_dir = f"build/{args.check}_{args.mode}",
mode = args.mode,
ghdl_opts = "--std=08 --no-formal",
# TODO: investigate why combinatorial loops appear with `prep -flatten -nordff`
# TODO: investigate why combinatorial loops appear with `prep -flatten -nordff`
prep_opts="-nordff",
prep_opts = "-nordff",
)
)
