self.m.eq(sm.lshift(self.m, maxslen))
]
-class FPOp:
- def __init__(self, width):
- self.width = width
+class Trigger:
+ def __init__(self):
- self.v = Signal(width)
self.stb = Signal(reset=0)
self.ack = Signal()
self.trigger = Signal(reset_less=True)
def elaborate(self, platform):
m = Module()
- m.d.sync += self.trigger.eq(self.stb & self.ack)
+ m.d.comb += self.trigger.eq(self.stb & self.ack)
return m
+ def copy(self, inp):
+ return [self.stb.eq(inp.stb),
+ self.ack.eq(inp.ack)
+ ]
+
+ def ports(self):
+ return [self.stb, self.ack]
+
+
+class FPOp(Trigger):
+ def __init__(self, width):
+ Trigger.__init__(self)
+ self.width = width
+
+ self.v = Signal(width)
+
def chain_inv(self, in_op, extra=None):
stb = in_op.stb
if extra is not None: