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TLBuffer: Create a wrapper module for TLBufferChain, to allow for more stable naming

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Megan Wachs
2017-08-31 13:00:37 -07:00
committed by Wesley W. Terpstra
parent 94f06dc85c
commit 667d966410
4 changed files with 32 additions and 13 deletions
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15
src/main/scala/tilelink/Bus.scala
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@ -67,17 +67,10 @@ abstract class TLBusWrapper(params: TLBusParams, val busName: String)(implicit p
protected def inwardNode: TLInwardNode = xbar.node
protected def inwardBufNode: TLInwardNode = master_buffer.node
protected def bufferChain(depth: Int, params: BufferParams = BufferParams.default, name: Option[String] = None): (TLInwardNode, TLOutwardNode) = {
if (depth > 0) {
val chain = List.fill(depth)(LazyModule(new TLBuffer(params)))
name.foreach { n => chain.zipWithIndex foreach { case(b, i) => b.suggestName(s"${busName}_${n}_${i}_TLBuffer") } }
(chain.init zip chain.tail) foreach { case(prev, next) => next.node :=* prev.node }
(chain.head.node, chain.last.node)
} else {
val dummy = LazyModule(new TLBuffer(BufferParams.none))
name.foreach { n => dummy.suggestName(s"${busName}_${n}_empty_TLBuffer")}
(dummy.node, dummy.node)
}
protected def bufferChain(depth: Int, name: Option[String] = None): (TLInwardNode, TLOutwardNode) = {
val chain = LazyModule(new TLBufferChain(depth))
name.foreach { n => chain.suggestName(s"${busName}_${n}_TLBufferChain")}
(chain.nodeIn, chain.nodeOut)
}
def bufferFromMasters: TLInwardNode = inwardBufNode