src/soc/fu/div/input_stage.py

   1 # This stage is intended to adjust the input data before sending it to
   2 # the actual ALU. Things like handling inverting the input, xer_ca
   3 # generation for subtraction, and handling of immediates should happen
   4 # in the base class (CommonInputStage.elaborate).
   5 from soc.fu.alu.input_stage import ALUInputStage
   6 from soc.fu.div.pipe_data import DivInputData
   7
   8 # simply over-ride ALUInputStage ispec / ospec
   9
  10
  11 class DivMulInputStage(ALUInputStage):
  12     def __init__(self, pspec):
  13         super().__init__(pspec)
  14
  15     def ispec(self): return DivInputData(self.pspec)
  16     def ospec(self): return DivInputData(self.pspec)