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Add config classes to drive unit testing of L2 TileLink agents.

Closes #43
This commit is contained in:
Ken McMillan 2016-05-17 11:00:08 -07:00 committed by Henry Cook
parent 4f84d8f757
commit d69446e177

View File

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package uncore
import Chisel._
import cde.{Config, Parameters, ParameterDump, Knob, Dump}
import junctions.PAddrBits
object UncoreBuilder extends App with FileSystemUtilities {
val topModuleName = args(0)
val configClassName = args(1)
val config = try {
Class.forName(s"uncore.$configClassName").newInstance.asInstanceOf[Config]
} catch {
case e: java.lang.ClassNotFoundException =>
throwException("Unable to find configClassName \"" + configClassName +
"\", did you misspell it?", e)
}
val world = config.toInstance
val paramsFromConfig: Parameters = Parameters.root(world)
val gen = () =>
Class.forName(s"uncore.$topModuleName")
.getConstructor(classOf[cde.Parameters])
.newInstance(paramsFromConfig)
.asInstanceOf[Module]
chiselMain.run(args.drop(2), gen)
val pdFile = createOutputFile(s"$topModuleName.prm")
pdFile.write(ParameterDump.getDump)
pdFile.close
}
class DefaultL2Config extends Config (
topDefinitions = { (pname,site,here) =>
pname match {
case PAddrBits => 32
case CacheId => 0
case CacheName => "L2Bank"
case TLId => "L1toL2"
case InnerTLId => "L1toL2"
case OuterTLId => "L2toMC"
case "N_CACHED" => Dump("N_CACHED",here[Int]("CACHED_CLIENTS_PER_PORT"))
case "N_UNCACHED" => Dump("N_UNCACHED",here[Int]("MAX_CLIENTS_PER_PORT") - here[Int]("N_CACHED"))
case "MAX_CLIENT_XACTS" => 4
case "MAX_CLIENTS_PER_PORT" => Knob("NTILES")
case "CACHED_CLIENTS_PER_PORT" => Knob("N_CACHED_TILES")
case TLKey("L1toL2") =>
TileLinkParameters(
coherencePolicy = new MESICoherence(site(L2DirectoryRepresentation)),
nManagers = 1,
nCachingClients = here[Int]("N_CACHED"),
nCachelessClients = here[Int]("N_UNCACHED"),
maxClientXacts = here[Int]("MAX_CLIENT_XACTS"),
maxClientsPerPort = here[Int]("MAX_CLIENTS_PER_PORT"),
maxManagerXacts = site(NAcquireTransactors) + 2,
dataBits = site(CacheBlockBytes)*8,
dataBeats = 2)
case TLKey("L2toMC") =>
TileLinkParameters(
coherencePolicy = new MEICoherence(new NullRepresentation(1)),
nManagers = 1,
nCachingClients = 1,
nCachelessClients = 0,
maxClientXacts = 1,
maxClientsPerPort = site(NAcquireTransactors) + 2,
maxManagerXacts = 1,
dataBits = site(CacheBlockBytes)*8,
dataBeats = 2)
case CacheBlockBytes => 64
case CacheBlockOffsetBits => log2Up(here(CacheBlockBytes))
case "L2_SETS" => Knob("L2_SETS")
case NSets => Dump("L2_SETS",here[Int]("L2_SETS"))
case NWays => Knob("L2_WAYS")
case RowBits => site(TLKey(site(TLId))).dataBitsPerBeat
case CacheIdBits => Dump("CACHE_ID_BITS",1)
case L2StoreDataQueueDepth => 1
case NAcquireTransactors => Dump("N_ACQUIRE_TRANSACTORS",2)
case NSecondaryMisses => 4
case L2DirectoryRepresentation => new FullRepresentation(here[Int]("N_CACHED"))
case L2Replacer => () => new SeqRandom(site(NWays))
case ECCCode => None
case AmoAluOperandBits => 64
case SplitMetadata => false
// case XLen => 128
}},
knobValues = {
case "L2_WAYS" => 1
case "L2_SETS" => 1024
case "NTILES" => 2
case "N_CACHED_TILES" => 2
case "L2_CAPACITY_IN_KB" => 256
}
)
class WithPLRU extends Config(
(pname, site, here) => pname match {
case L2Replacer => () => new SeqPLRU(site(NSets), site(NWays))
})
class PLRUL2Config extends Config(new WithPLRU ++ new DefaultL2Config)
class With1L2Ways extends Config(knobValues = { case "L2_WAYS" => 1 })
class With2L2Ways extends Config(knobValues = { case "L2_WAYS" => 2 })
class With4L2Ways extends Config(knobValues = { case "L2_WAYS" => 4 })
class With1Cached extends Config(knobValues = { case "N_CACHED_TILES" => 1 })
class With2Cached extends Config(knobValues = { case "N_CACHED_TILES" => 2 })
class W1Cached1WaysConfig extends Config(new With1L2Ways ++ new With1Cached ++ new DefaultL2Config)
class W1Cached2WaysConfig extends Config(new With2L2Ways ++ new With1Cached ++ new DefaultL2Config)
class W2Cached1WaysConfig extends Config(new With1L2Ways ++ new With2Cached ++ new DefaultL2Config)
class W2Cached2WaysConfig extends Config(new With2L2Ways ++ new With2Cached ++ new DefaultL2Config)