Frontend: Restrict Bus type parameter to Bundle-extending

Internal-tag: [#69079] Signed-off-by: Wiktoria Kuna <[email protected]>
antmicro · Nov 22, 2024 · 635a6d7 · 635a6d7
1 parent 0361ade
commit 635a6d7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/main/scala/DMAController/Frontend/BusBase.scala b/src/main/scala/DMAController/Frontend/BusBase.scala
@@ -22,15 +22,15 @@ import chisel3.util._
 import DMAController.DMADriver
 import DMAController.DMAConfig._
 
-abstract class IOBus[+T](config: DMAConfig) extends DMAModule(config) {
+abstract class IOBus[T <: Bundle](config: DMAConfig) extends DMAModule(config) {
   val io : Bundle {
     val bus : T
     val dataIO : DecoupledIO[UInt]
     val xfer : XferDescBundle
   }
 }
 
-abstract class CSRBus[+T] (config: DMAConfig) extends DMAModule(config) {
+abstract class CSRBus[T <: Bundle] (config: DMAConfig) extends DMAModule(config) {
   val io : Bundle {
     val bus : CSRBusBundle
     val ctl : T