bus/asmibus/hub: require finalization before get_slots

2012-03-14 16:19:29 +01:00 · 2012-03-14 16:19:29 +01:00 · 1665f293a6
parent 5c0cc6292c
commit 1665f293a6
1 changed files with 2 additions and 0 deletions
--- a/migen/bus/asmibus.py
+++ b/migen/bus/asmibus.py
@ -146,6 +146,8 @@ class Hub:
 		self.tag_call = Signal(BV(tagbits))
 	
 	def get_slots(self):
+		if not self.finalized:
+			raise FinalizeError
 		return sum([port.slots for port in self.ports], [])
 	
 	def get_fragment(self):