21 lines
456 B
Python
21 lines
456 B
Python
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from migen.fhdl.structure import bits_for
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class Transaction:
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def __init__(self, address, data=0, sel=None):
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self.address = address
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self.data = data
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if sel is None:
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bytes = (bits_for(data) + 7)//8
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sel = 2**bytes - 1
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self.sel = sel
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self.latency = 0
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def __str__(self):
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return "<" + self.__class__.__name__ + " adr:" + hex(self.address) + " dat:" + hex(self.data) + ">"
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class TRead(Transaction):
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pass
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class TWrite(Transaction):
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pass
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