src/scoreboard/mem_select.py

   1 from nmigen import Elaboratable, Module, Signal
   2
   3
   4 class Mem_Rsv(Elaboratable):
   5     """ these are allocated per-Register (vertically),
   6         and are each of length fu_count
   7     """
   8     def __init__(self, fu_count):
   9         self.fu_count = fu_count
  10         self.ld_rsel_i = Signal(fu_count, reset_less=True)
  11         self.st_rsel_i = Signal(fu_count, reset_less=True)
  12         self.ld_rsel_o = Signal(reset_less=True)
  13         self.st_rsel_o = Signal(reset_less=True)
  14
  15     def elaborate(self, platform):
  16         m = Module()
  17         m.d.comb += self.ld_rsel_o.eq(self.ld_rsel_i.bool())
  18         m.d.comb += self.st_rsel_o.eq(self.st_rsel_i.bool())
  19         return m
  20