update to chisel 3.4

.gitmodules

 [submodule "rocket-chip"]
 	path = rocket-chip
 	url = https://github.com/chipsalliance/rocket-chip.git
-	branch = 2bdb03dbca3f77ad4c378cc1b95ab4961bc1448a
+	branch = d6bd3c61993637c3f10544c59e861fae8af29f39
 [submodule "block-inclusivecache-sifive"]
 	path = block-inclusivecache-sifive
 	url = https://github.com/RISCVERS/block-inclusivecache-sifive.git

Makefile

@@ -133,7 +133,7 @@ clean:
 
 init:
 	git submodule update --init
-	# do not use a recursive init to pull some not used submodules
+	@# do not use a recursive init to pull some not used submodules
 	cd ./rocket-chip/ && git submodule update --init api-config-chipsalliance hardfloat
 
 .PHONY: verilog emu clean help init $(REF_SO)

build.sc

@@ -5,7 +5,7 @@ import scalalib._
 import coursier.maven.MavenRepository
 
 object CustomZincWorkerModule extends ZincWorkerModule {
-  def repositories() = Seq(
+  def repositories() = super.repositories ++ Seq(
     MavenRepository("https://maven.aliyun.com/repository/public"),
     MavenRepository("https://maven.aliyun.com/repository/apache-snapshots")
   )
@@ -26,7 +26,7 @@ trait CommonModule extends ScalaModule {
 }
 
 val rocketChisel = Agg(
-  ivy"edu.berkeley.cs::chisel3:3.3.1"
+  ivy"edu.berkeley.cs::chisel3:3.4.0"
 )
 
 object `rocket-chip` extends SbtModule with CommonModule {
@@ -68,7 +68,7 @@ object XiangShan extends CommonModule with SbtModule {
   override def forkArgs = Seq("-Xmx10G")
 
   override def ivyDeps = super.ivyDeps() ++ Agg(
-    ivy"edu.berkeley.cs::chisel3:3.3.2"
+    ivy"edu.berkeley.cs::chisel3:3.4.0-RC3"
   )
 
   override def moduleDeps = super.moduleDeps ++ Seq(`rocket-chip`, `block-inclusivecache-sifive`)

rocket-chip @ d6bd3c61

-Subproject commit 2bdb03dbca3f77ad4c378cc1b95ab4961bc1448a
+Subproject commit d6bd3c61993637c3f10544c59e861fae8af29f39

src/main/scala/xstransforms/ShowPrintTransform.scala

@@ -40,7 +40,7 @@ class ShowPrintTransform extends Transform with DependencyAPIMigration {
 
     def findSubModules(m: DefModule): Unit = {
       def viewStmt(s: Statement): Statement = s match {
-        case DefInstance(_, name, module) =>
+        case DefInstance(_, name, module, _) =>
           ancestors(module) = ancestors(m.name) + m.name
           queue += module
           s