From 8a73362bb6fe87817a1867cc2482c1841f95c077 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Wed, 20 Jan 2021 18:55:16 -0800
Subject: Remove val io

Chisel projects no longer need -Xsource:2.11 when compiling with Scala
2.12.

Autowrapping of "val io" for compatibility mode Modules is now
implemented using reflection instead of calling the virtual method.

Also move Chisel.BlackBox to new chisel3.internal.LegacyBlackBox
---
 src/test/scala/chiselTests/AnalogIntegrationSpec.scala | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/test/scala/chiselTests/AnalogIntegrationSpec.scala')

diff --git a/src/test/scala/chiselTests/AnalogIntegrationSpec.scala b/src/test/scala/chiselTests/AnalogIntegrationSpec.scala
index 3af54d1d..7478f2eb 100644
--- a/src/test/scala/chiselTests/AnalogIntegrationSpec.scala
+++ b/src/test/scala/chiselTests/AnalogIntegrationSpec.scala
@@ -31,6 +31,10 @@ class AnalogBlackBox(index: Int) extends BlackBox(Map("index" -> index)) {
   val io = IO(new AnalogBlackBoxIO(1))
 }
 
+// This interface exists to give a common interface type for AnalogBlackBoxModule and
+// AnalogBlackBoxWrapper. This is the standard way to deal with the deprecation and removal of the
+// Module.io virtual method (same for BlackBox.io).
+// See https://github.com/freechipsproject/chisel3/pull/1550 for more information
 trait AnalogBlackBoxModuleIntf extends Module {
   def io: AnalogBlackBoxIO
 }
-- 
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