move junctions utils into top-level utils package

src/main/scala/util/Misc.scala

@@ -0,0 +1,28 @@
+package util
+
+import Chisel._
+import cde.Parameters
+
+class ParameterizedBundle(implicit p: Parameters) extends Bundle {
+  override def cloneType = {
+    try {
+      this.getClass.getConstructors.head.newInstance(p).asInstanceOf[this.type]
+    } catch {
+      case e: java.lang.IllegalArgumentException =>
+        throwException("Unable to use ParamaterizedBundle.cloneType on " +
+                       this.getClass + ", probably because " + this.getClass +
+                       "() takes more than one argument.  Consider overriding " +
+                       "cloneType() on " + this.getClass, e)
+    }
+  }
+}
+
+object DecoupledHelper {
+  def apply(rvs: Bool*) = new DecoupledHelper(rvs)
+}
+
+class DecoupledHelper(val rvs: Seq[Bool]) {
+  def fire(exclude: Bool, includes: Bool*) = {
+    (rvs.filter(_ ne exclude) ++ includes).reduce(_ && _)
+  }
+}