implement DecodeTableAnnotation for decode table caching.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/scala/chisel3/util/experimental/decode/DecodeTableAnnotation.scala b/src/main/scala/chisel3/util/experimental/decode/DecodeTableAnnotation.scala
new file mode 100644
index 00000000..3a6957e2
--- /dev/null
+++ b/src/main/scala/chisel3/util/experimental/decode/DecodeTableAnnotation.scala
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package chisel3.util.experimental.decode
+
+import firrtl.annotations.{Annotation, ReferenceTarget, SingleTargetAnnotation}
+
+case class DecodeTableAnnotation(
+  target:         ReferenceTarget,
+  truthTable:     TruthTable,
+  minimizedTable: TruthTable)
+    extends SingleTargetAnnotation[ReferenceTarget] {
+  override def duplicate(n: ReferenceTarget): Annotation = this.copy(target = n)
+}