summaryrefslogtreecommitdiff
path: root/core/src/main/scala/chisel3
diff options
context:
space:
mode:
authormergify[bot]2022-04-01 17:24:56 +0000
committerGitHub2022-04-01 17:24:56 +0000
commit32430bcfc49b0293748ba3f6e5000a45a3dcce92 (patch)
tree6b8c79bc92b8328a739ad9fdcf2c2146f2157015 /core/src/main/scala/chisel3
parent157d5c3e37058286539867ca9a33b8bc1c6e43e3 (diff)
Prevent FIRRTL bulk connects on BlackBox Bundles. (#2468) (#2469)
(cherry picked from commit 4da1e89f3a0b79adcb39ea5defb393ed6c00fa2f) Co-authored-by: fzi-hielscher <47524191+fzi-hielscher@users.noreply.github.com>
Diffstat (limited to 'core/src/main/scala/chisel3')
-rw-r--r--core/src/main/scala/chisel3/internal/BiConnect.scala8
1 files changed, 7 insertions, 1 deletions
diff --git a/core/src/main/scala/chisel3/internal/BiConnect.scala b/core/src/main/scala/chisel3/internal/BiConnect.scala
index a8b425f5..2d6c9e4a 100644
--- a/core/src/main/scala/chisel3/internal/BiConnect.scala
+++ b/core/src/main/scala/chisel3/internal/BiConnect.scala
@@ -285,7 +285,13 @@ private[chisel3] object BiConnect {
case _ => true
}
- typeCheck && contextCheck && bindingCheck && flow_check && sourceNotLiteralCheck
+ // do not bulk connect the 'io' pseudo-bundle of a BlackBox since it will be decomposed in FIRRTL
+ def blackBoxCheck = Seq(source, sink).map(_._parent).forall {
+ case Some(_: BlackBox) => false
+ case _ => true
+ }
+
+ typeCheck && contextCheck && bindingCheck && flow_check && sourceNotLiteralCheck && blackBoxCheck
}
// These functions (finally) issue the connection operation