56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
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from ...hdl.ast import *
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from ...hdl.xfrm import ResetInserter as NativeResetInserter
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from ...hdl.xfrm import EnableInserter as NativeEnableInserter
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from ...hdl.xfrm import DomainRenamer as NativeDomainRenamer
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from ..._utils import deprecated
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__all__ = ["ResetInserter", "CEInserter", "ClockDomainsRenamer"]
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class _CompatControlInserter:
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_control_name = None
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_native_inserter = None
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def __init__(self, clock_domains=None):
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self.clock_domains = clock_domains
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def __call__(self, module):
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if self.clock_domains is None:
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signals = {self._control_name: ("sync", Signal(name=self._control_name))}
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else:
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def name(cd):
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return self._control_name + "_" + cd
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signals = {name(cd): (cd, Signal(name=name(cd))) for cd in self.clock_domains}
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for name, (cd, signal) in signals.items():
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setattr(module, name, signal)
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return self._native_inserter(dict(signals.values()))(module)
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@deprecated("instead of `migen.fhdl.decorators.ResetInserter`, "
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"use `nmigen.hdl.xfrm.ResetInserter`; note that nMigen ResetInserter accepts "
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"a dict of reset signals (or a single reset signal) as an argument, not "
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"a set of clock domain names (or a single clock domain name)")
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class CompatResetInserter(_CompatControlInserter):
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_control_name = "reset"
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_native_inserter = NativeResetInserter
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@deprecated("instead of `migen.fhdl.decorators.CEInserter`, "
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"use `nmigen.hdl.xfrm.EnableInserter`; note that nMigen EnableInserter accepts "
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"a dict of enable signals (or a single enable signal) as an argument, not "
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"a set of clock domain names (or a single clock domain name)")
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class CompatCEInserter(_CompatControlInserter):
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_control_name = "ce"
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_native_inserter = NativeEnableInserter
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class CompatClockDomainsRenamer(NativeDomainRenamer):
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def __init__(self, cd_remapping):
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super().__init__(cd_remapping)
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ResetInserter = CompatResetInserter
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CEInserter = CompatCEInserter
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ClockDomainsRenamer = CompatClockDomainsRenamer
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