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