rename IntegerData to FUBaseData
[soc.git] / src / soc / fu / mul / pipe_data.py
1 from soc.fu.mul.mul_input_record import CompMULOpSubset
2 from soc.fu.pipe_data import FUBaseData, CommonPipeSpec
3 from soc.fu.div.pipe_data import DivInputData, DivMulOutputData
4 from nmigen import Signal
5
6
7 class MulIntermediateData(DivInputData):
8 def __init__(self, pspec):
9 super().__init__(pspec)
10
11 self.neg_res = Signal(reset_less=True)
12 self.neg_res32 = Signal(reset_less=True)
13 self.data.append(self.neg_res)
14 self.data.append(self.neg_res32)
15
16
17 class MulOutputData(FUBaseData):
18 regspec = [('INT', 'o', '0:128'),
19 ('XER', 'xer_so', '32')] # XER bit 32: SO
20 def __init__(self, pspec):
21 super().__init__(pspec, False) # still input style
22
23 self.neg_res = Signal(reset_less=True)
24 self.neg_res32 = Signal(reset_less=True)
25 self.data.append(self.neg_res)
26 self.data.append(self.neg_res32)
27
28
29 class MulPipeSpec(CommonPipeSpec):
30 regspec = (DivInputData.regspec, DivMulOutputData.regspec)
31 opsubsetkls = CompMULOpSubset