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sim.core: warn when driving a clock domain not in the simulation.

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Closes #566.
This commit is contained in:
whitequark 2021-12-11 13:22:24 +00:00
parent ac13a5b3c9
commit 7e2b72826f
2 changed files with 17 additions and 1 deletions
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9
amaranth/sim/core.py
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@ -1,4 +1,5 @@
import inspect
import warnings
from .._utils import deprecated
from ..hdl.cd import *
@ -112,7 +113,13 @@ class Simulator:
in this case.
"""
if isinstance(domain, ClockDomain):
pass
if (domain.name in self._fragment.domains and
domain is not self._fragment.domains[domain.name]):
warnings.warn("Adding a clock process that drives a clock domain object "
"named {!r}, which is distinct from an identically named domain "
"in the simulated design"
.format(domain.name),
UserWarning, stacklevel=2)
elif domain in self._fragment.domains:
domain = self._fragment.domains[domain]
elif if_exists: