bank/eventmanager: add SharedIRQ

Sebastien Bourdeauducq · Sebastien Bourdeauducq · commit 8f69d9b669db · 2014-01-06T22:13:06.000+01:00
diff --git a/migen/bank/eventmanager.py b/migen/bank/eventmanager.py
@@ -70,3 +70,8 @@ def __setattr__(self, name, value):
 			if self.finalized:
 				raise FinalizeError
 			self.submodules += value
+
+class SharedIRQ(Module):
+	def __init__(self, *event_managers):
+		self.irq = Signal()
+		self.comb += self.irq.eq(optree("|", [ev.irq for ev in event_managers]))
