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Clarify HarnessBinders ClassTag naming

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This commit is contained in:
Jerry Zhao
2020-10-19 10:16:44 -07:00
parent 035e2e4315
commit f3d666d2b7
1 changed files with 5 additions and 4 deletions
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9
generators/chipyard/src/main/scala/HarnessBinders.scala
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@@ -38,12 +38,13 @@ object ApplyHarnessBinders {
}
}
class HarnessBinder[T, S <: HasHarnessSignalReferences, U <: Data](composer: ((T, S, Seq[U]) => Seq[Any]) => (T, S, Seq[U]) => Seq[Any])(implicit tag: ClassTag[T], thtag: ClassTag[S], ptag: ClassTag[U]) extends Config((site, here, up) => {
case HarnessBinders => up(HarnessBinders, site) + (tag.runtimeClass.toString ->
// The ClassTags here are necessary to overcome issues arising from type erasure
class HarnessBinder[T, S <: HasHarnessSignalReferences, U <: Data](composer: ((T, S, Seq[U]) => Seq[Any]) => (T, S, Seq[U]) => Seq[Any])(implicit systemTag: ClassTag[T], harnessTag: ClassTag[S], portTag: ClassTag[U]) extends Config((site, here, up) => {
case HarnessBinders => up(HarnessBinders, site) + (systemTag.runtimeClass.toString ->
((t: Any, th: HasHarnessSignalReferences, ports: Seq[Data]) => {
val pts = ports.collect({case p: U => p})
require (pts.length == ports.length, s"Port type mismatch between IOBinder and HarnessBinder: ${ptag}")
val upfn = up(HarnessBinders, site)(tag.runtimeClass.toString)
require (pts.length == ports.length, s"Port type mismatch between IOBinder and HarnessBinder: ${portTag}")
val upfn = up(HarnessBinders, site)(systemTag.runtimeClass.toString)
th match {
case th: S =>
t match {