2f9dab361f
In context of nMigen, "tools" means "parts of toolchain", so it is confusing to have a completely unrelated module also called "tools".
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
from ..._utils import deprecated, extend
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from ...lib.fifo import (FIFOInterface as NativeFIFOInterface,
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SyncFIFO as NativeSyncFIFO, SyncFIFOBuffered as NativeSyncFIFOBuffered,
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AsyncFIFO as NativeAsyncFIFO, AsyncFIFOBuffered as NativeAsyncFIFOBuffered)
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__all__ = ["_FIFOInterface", "SyncFIFO", "SyncFIFOBuffered", "AsyncFIFO", "AsyncFIFOBuffered"]
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class CompatFIFOInterface(NativeFIFOInterface):
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@deprecated("attribute `fwft` must be provided to FIFOInterface constructor")
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def __init__(self, width, depth):
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super().__init__(width=width, depth=depth, fwft=False)
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del self.fwft
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@extend(NativeFIFOInterface)
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def read(self):
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"""Read method for simulation."""
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assert (yield self.r_rdy)
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value = (yield self.r_data)
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yield self.r_en.eq(1)
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yield
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yield self.r_en.eq(0)
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yield
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return value
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@extend(NativeFIFOInterface)
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def write(self, data):
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"""Write method for simulation."""
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assert (yield self.w_rdy)
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yield self.w_data.eq(data)
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yield self.w_en.eq(1)
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yield
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yield self.w_en.eq(0)
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yield
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class CompatSyncFIFO(NativeSyncFIFO):
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def __init__(self, width, depth, fwft=True):
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super().__init__(width=width, depth=depth, fwft=fwft)
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class CompatSyncFIFOBuffered(NativeSyncFIFOBuffered):
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def __init__(self, width, depth):
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super().__init__(width=width, depth=depth)
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class CompatAsyncFIFO(NativeAsyncFIFO):
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def __init__(self, width, depth):
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super().__init__(width=width, depth=depth)
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class CompatAsyncFIFOBuffered(NativeAsyncFIFOBuffered):
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def __init__(self, width, depth):
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super().__init__(width=width, depth=depth)
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_FIFOInterface = CompatFIFOInterface
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SyncFIFO = CompatSyncFIFO
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SyncFIFOBuffered = CompatSyncFIFOBuffered
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AsyncFIFO = CompatAsyncFIFO
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AsyncFIFOBuffered = CompatAsyncFIFOBuffered
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