From e76e0f6dcec4ee38a1c263c071bc34d095bb606f Mon Sep 17 00:00:00 2001
From: "Wesley W. Terpstra" <wesley@sifive.com>
Date: Thu, 26 Oct 2017 13:11:47 -0700
Subject: [PATCH] interrupts: add debugstring to nodes to show sync depth in
 graphml

---
 src/main/scala/interrupts/Crossing.scala |  4 ++--
 src/main/scala/interrupts/Nodes.scala    | 10 ++++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main/scala/interrupts/Crossing.scala b/src/main/scala/interrupts/Crossing.scala
index 5c3f8568..d7f53a26 100644
--- a/src/main/scala/interrupts/Crossing.scala
+++ b/src/main/scala/interrupts/Crossing.scala
@@ -27,7 +27,7 @@ object IntSyncCrossingSource
 
 class IntSyncCrossingSource(alreadyRegistered: Boolean = false)(implicit p: Parameters) extends LazyModule
 {
-  val node = IntSyncSourceNode()
+  val node = IntSyncSourceNode(alreadyRegistered)
 
   lazy val module = new LazyModuleImp(this) {
     (node.in zip node.out) foreach { case ((in, edgeIn), (out, edgeOut)) =>
@@ -43,7 +43,7 @@ class IntSyncCrossingSource(alreadyRegistered: Boolean = false)(implicit p: Para
 
 class IntSyncCrossingSink(sync: Int = 3)(implicit p: Parameters) extends LazyModule
 {
-  val node = IntSyncSinkNode()
+  val node = IntSyncSinkNode(sync)
 
   lazy val module = new LazyModuleImp(this) {
     (node.in zip node.out) foreach { case ((in, edgeIn), (out, edgeOut)) =>
diff --git a/src/main/scala/interrupts/Nodes.scala b/src/main/scala/interrupts/Nodes.scala
index 5f5f86b8..6b431cc2 100644
--- a/src/main/scala/interrupts/Nodes.scala
+++ b/src/main/scala/interrupts/Nodes.scala
@@ -51,12 +51,18 @@ object IntSyncImp extends SimpleNodeImp[IntSourcePortParameters, IntSinkPortPara
 
 case class IntSyncIdentityNode()(implicit valName: ValName) extends IdentityNode(IntSyncImp)()
 
-case class IntSyncSourceNode()(implicit valName: ValName)
+case class IntSyncSourceNode(alreadyRegistered: Boolean)(implicit valName: ValName)
   extends MixedAdapterNode(IntImp, IntSyncImp)(
     dFn = { p => p },
     uFn = { p => p })
+{
+  override lazy val nodedebugstring = s"alreadyRegistered:${alreadyRegistered}"
+}
 
-case class IntSyncSinkNode()(implicit valName: ValName)
+case class IntSyncSinkNode(sync: Int)(implicit valName: ValName)
   extends MixedAdapterNode(IntSyncImp, IntImp)(
     dFn = { p => p },
     uFn = { p => p })
+{
+  override lazy val nodedebugstring = s"sync:${sync}"
+}