diplomacy: eliminate some wasted IdentityNodes using cross-module refs

2017-09-23 00:04:50 -07:00
parent bc225a4e82
commit 60614055e3
9 changed files with 64 additions and 87 deletions
--- a/src/main/scala/devices/tilelink/BusBypass.scala
+++ b/src/main/scala/devices/tilelink/BusBypass.scala
@ -20,6 +20,7 @@ abstract class TLBusBypassBase(beatBytes: Int)(implicit p: Parameters) extends L
  protected val everything = Seq(AddressSet(0, BigInt("ffffffffffffffffffffffffffffffff", 16))) // 128-bit
  protected val error = LazyModule(new TLError(ErrorParams(everything), beatBytes))

+  // order matters
  bar.node := nodeIn
  error.node := bar.node
  nodeOut := bar.node