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tilelink2: most adapters can wipe away latency

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This commit is contained in:
Wesley W. Terpstra
2016-09-21 18:43:09 -07:00
parent c115913624
commit 2b24c4b1b4
3 changed files with 8 additions and 5 deletions
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5
src/main/scala/uncore/tilelink2/HintHandler.scala
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@ -8,9 +8,10 @@ import chisel3.internal.sourceinfo.SourceInfo
// Acks Hints for managers that don't support them or Acks all Hints if !passthrough
class TLHintHandler(supportManagers: Boolean = true, supportClients: Boolean = false, passthrough: Boolean = true) extends LazyModule
{
// HintAcks can come back combinationally => minLatency=0
val node = TLAdapterNode(
clientFn = { case Seq(c) => if (!supportClients) c else c.copy(clients = c.clients .map(_.copy(supportsHint = TransferSizes(1, c.maxTransfer)))) },
managerFn = { case Seq(m) => if (!supportManagers) m else m.copy(managers = m.managers.map(_.copy(supportsHint = TransferSizes(1, m.maxTransfer)))) })
clientFn = { case Seq(c) => if (!supportClients) c else c.copy(minLatency = 0, clients = c.clients .map(_.copy(supportsHint = TransferSizes(1, c.maxTransfer)))) },
managerFn = { case Seq(m) => if (!supportManagers) m else m.copy(minLatency = 0, managers = m.managers.map(_.copy(supportsHint = TransferSizes(1, m.maxTransfer)))) })
lazy val module = new LazyModuleImp(this) {
val io = new Bundle {