top layer and some bugs fixed

src/main/scala/mac/Parameters.scala

@@ -0,0 +1,24 @@
+package MAC
+
+import chisel3._
+import chisel3.stage._
+import freechips.rocketchip.diplomacy._
+
+import org.chipsalliance.cde.config._
+
+case object MacParamsKey extends Field[MacSetting]
+
+
+case class MacSetting(){
+
+}
+
+trait HasMacParameters {
+  implicit val p: Parameters
+
+  val riftSetting = p(MacParamsKey)
+}
+
+class MacCfg extends Config((_, _, _) => {
+  case MacParamsKey => MacSetting()
+})