corelogic: multimux module

migen/corelogic/multimux.py

@@ -0,0 +1,13 @@
+from migen.fhdl import structure as f
+
+def MultiMux(sel, inputs, output):
+	n = len(inputs)
+	i = 0
+	comb = []
+	for osig in output:
+		choices = [x[i] for x in inputs]
+		cases = [(f.Constant(j, sel.bv), [f.Assign(osig, choices[j])]) for j in range(n)]
+		default = cases.pop()[1]
+		comb.append(f.Case(sel, cases, default))
+		i += 1
+	return comb