from ieee754.fpcommon.fpbase import FPNumBase, FPNumBaseRecord
from ieee754.fpcommon.fpbase import FPState
+from ieee754.fpcommon.getop import FPBaseData
from .postnormalise import FPNorm1Data
class FPRoundData:
- def __init__(self, width, id_wid, op_wid=None):
+ def __init__(self, width, pspec):
self.z = FPNumBaseRecord(width, False)
- self.mid = Signal(id_wid, reset_less=True) # multiplex ID
+ self.ctx = FPBaseData(width, pspec)
+ self.muxid = self.ctx.muxid
# pipeline bypass [data comes from specialcases]
self.out_do_z = Signal(reset_less=True)
self.oz = Signal(width, reset_less=True)
- self.op_wid = op_wid
- if op_wid:
- self.op = Signal(op_wid, reset_less=True)
def eq(self, i):
ret = [self.z.eq(i.z), self.out_do_z.eq(i.out_do_z), self.oz.eq(i.oz),
- self.mid.eq(i.mid)]
- if self.op_wid:
- ret.append(self.op.eq(i.op))
+ self.ctx.eq(i.ctx)]
return ret
-
class FPRoundMod(Elaboratable):
- def __init__(self, width, id_wid, op_wid=None):
+ def __init__(self, width, pspec):
self.width = width
- self.id_wid = id_wid
- self.op_wid = op_wid
+ self.pspec = pspec
self.i = self.ispec()
self.out_z = self.ospec()
def ispec(self):
- return FPNorm1Data(self.width, self.id_wid, self.op_wid)
+ return FPNorm1Data(self.width, self.pspec)
def ospec(self):
- return FPRoundData(self.width, self.id_wid, self.op_wid)
+ return FPRoundData(self.width, self.pspec)
def process(self, i):
return self.out_z
self.idsync(m)
m.d.sync += self.out_z.eq(self.mod.out_z)
- m.d.sync += self.out_z.mid.eq(self.mod.o.mid)
+ m.d.sync += self.out_z.ctx.eq(self.mod.o.ctx)
def action(self, m):
m.next = "corrections"