42 lines
1.3 KiB
Python
42 lines
1.3 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 CEInserter as NativeCEInserter
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from ...hdl.xfrm import DomainRenamer as NativeDomainRenamer
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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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class CompatResetInserter(_CompatControlInserter):
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_control_name = "reset"
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_native_inserter = NativeResetInserter
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class CompatCEInserter(_CompatControlInserter):
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_control_name = "ce"
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_native_inserter = NativeCEInserter
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ResetInserter = CompatResetInserter
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CEInserter = CompatCEInserter
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ClockDomainsRenamer = NativeDomainRenamer
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