Add BSwitch macro and update gtkwave config

build.sc

@@ -13,6 +13,17 @@ import mill.bsp._
 // to properly generate and handle test directories and output files.
 // See: https://github.com/com-lihaoyi/mill/issues/3840
 
+object macros extends ScalaModule {
+    def scalaVersion = "2.13.16"
+    def scalacOptions = Seq[String]()
+    override def ivyDeps = Agg(
+        ivy"org.chipsalliance::chisel:7.2.0"
+    )
+    override def scalacPluginIvyDeps = Agg(
+        ivy"org.chipsalliance:::chisel-plugin:7.2.0"
+    )
+}
+
 object `TPchisel` extends SbtModule { m =>
     override def millSourcePath = super.millSourcePath / os.up
     override def scalaVersion = "2.13.16"
@@ -27,6 +38,7 @@ object `TPchisel` extends SbtModule { m =>
         "-Ywarn-dead-code",
         "-Ywarn-unused"
     )
+    override def moduleDeps = Seq(macros)
     override def ivyDeps = Agg(
         ivy"org.chipsalliance::chisel:7.2.0"
     )