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tilelink: FIFOFixer should fix no domain => domain cases (#873)

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Wesley W. Terpstra 2017-07-17 22:32:17 -07:00 committed by GitHub
parent d09a985729
commit 416629b3bf
1 changed files with 10 additions and 15 deletions
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25
src/main/scala/tilelink/FIFOFixer.scala
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@ -51,25 +51,20 @@ class TLFIFOFixer(policy: TLFIFOFixer.Policy = TLFIFOFixer.all)(implicit p: Para
// Do we need to serialize the request to this manager?
val a_notFIFO = edgeIn.manager.fastProperty(in.a.bits.address, _.fifoId != Some(0), (b:Boolean) => Bool(b))
// Does this manager have an existing FIFO domain? (don't care about unserialized cases)
val hackExist = ((fixMap zip splatMap) zip edgeOut.manager.managers) flatMap {
// Compact the IDs of the cases we serialize
val compacted = ((fixMap zip splatMap) zip edgeOut.manager.managers) flatMap {
case ((f, s), m) => if (f == Some(0)) Some(m.copy(fifoId = s)) else None
}
val a_noDomain = if (hackExist.isEmpty) Bool(true) else
edgeOut.manager.copy(managers = hackExist).fastProperty(in.a.bits.address, !_.fifoId.isDefined, (b:Boolean) => Bool(b))
// What is that domain? (don't care about noDomain cases)
val hackDomain = hackExist.filter(_.fifoId.isDefined)
val a_id = if (hackDomain.isEmpty) UInt(0) else
edgeOut.manager.copy(managers = hackDomain).fastProperty(in.a.bits.address, _.fifoId.get, (id:Int) => UInt(id))
val maxId = hackDomain.flatMap(_.fifoId).foldLeft(0)(max)
val a_id = if (compacted.isEmpty) UInt(0) else
edgeOut.manager.copy(managers = compacted).findFifoIdFast(in.a.bits.address)
val a_noDomain = a_id === UInt(0)
if (false) {
println(s"make FIFO: ${edgeIn.manager.managers.filter(_.fifoId==Some(0)).map(_.name).mkString(", ")}")
println(s"not FIFO: ${edgeIn.manager.managers.filter(_.fifoId!=Some(0)).map(_.name).mkString(", ")}")
println(s"has domain: ${hackExist.filter( _.fifoId.isDefined).map(_.name).mkString(", ")}")
println(s"no domain: ${hackExist.filter(!_.fifoId.isDefined).map(_.name).mkString(", ")}")
println(s"domains: ${hackDomain.groupBy(_.name).mapValues(_.map(_.fifoId))}")
println("")
println(s"FIFOFixer for: ${edgeIn.client.clients.map(_.name).mkString(", ")}")
println(s"make FIFO: ${edgeIn.manager.managers.filter(_.fifoId==Some(0)).map(_.name).mkString(", ")}")
println(s"not FIFO: ${edgeIn.manager.managers.filter(_.fifoId!=Some(0)).map(_.name).mkString(", ")}")
println(s"domains: ${compacted.groupBy(_.name).mapValues(_.map(_.fifoId))}")
println("")
}
// Count beats