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rocket-chip/src/main/scala/groundtest/Configs.scala

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Scala
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package groundtest
import Chisel._
import rocket._
import diplomacy._
import uncore.tilelink._
import uncore.coherence._
import uncore.agents._
import uncore.devices.NTiles
import junctions._
import config._
import scala.math.max
import coreplex._
import rocketchip._
import util.ConfigUtils._
/** Actual testing target Configs */
class GroundTestConfig extends Config(new WithGroundTest ++ new BaseConfig)
class ComparatorConfig extends Config(
new WithComparator ++ new GroundTestConfig)
class ComparatorL2Config extends Config(
new WithAtomics ++ new WithPrefetches ++
new WithL2Cache ++ new ComparatorConfig)
class ComparatorBufferlessConfig extends Config(
new WithBufferlessBroadcastHub ++ new ComparatorConfig)
class ComparatorStatelessConfig extends Config(
new WithStatelessBridge ++ new ComparatorConfig)
class MemtestConfig extends Config(new WithMemtest ++ new GroundTestConfig)
class MemtestL2Config extends Config(
new WithL2Cache ++ new MemtestConfig)
class MemtestBufferlessConfig extends Config(
new WithBufferlessBroadcastHub ++ new MemtestConfig)
class MemtestStatelessConfig extends Config(
new WithNGenerators(0, 1) ++ new WithStatelessBridge ++ new MemtestConfig)
// Test ALL the things
class FancyMemtestConfig extends Config(
new WithNGenerators(1, 2) ++ new WithNCores(2) ++ new WithMemtest ++
new WithNMemoryChannels(2) ++ new WithNBanksPerMemChannel(4) ++
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new WithL2Cache ++ new GroundTestConfig)
class CacheFillTestConfig extends Config(
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new WithNL2Ways(4) ++ new WithL2Capacity(4) ++ new WithCacheFillTest ++ new WithPLRU ++ new WithL2Cache ++ new GroundTestConfig)
class BroadcastRegressionTestConfig extends Config(
new WithBroadcastRegressionTest ++ new GroundTestConfig)
class BufferlessRegressionTestConfig extends Config(
new WithBufferlessBroadcastHub ++ new BroadcastRegressionTestConfig)
class CacheRegressionTestConfig extends Config(
new WithCacheRegressionTest ++ new WithL2Cache ++ new GroundTestConfig)
class TraceGenConfig extends Config(
new WithNCores(2) ++ new WithTraceGen ++ new GroundTestConfig)
class TraceGenBufferlessConfig extends Config(
new WithBufferlessBroadcastHub ++ new TraceGenConfig)
class TraceGenL2Config extends Config(
new WithNL2Ways(1) ++ new WithL2Capacity(32 * 64 / 1024) ++
new WithL2Cache ++ new TraceGenConfig)
class Edge128BitComparatorConfig extends Config(
new WithEdgeDataBits(128) ++ new ComparatorConfig)
class Edge128BitMemtestConfig extends Config(
new WithEdgeDataBits(128) ++ new MemtestConfig)
class Edge32BitComparatorConfig extends Config(
new WithEdgeDataBits(32) ++ new ComparatorL2Config)
class Edge32BitMemtestConfig extends Config(
new WithEdgeDataBits(32) ++ new MemtestConfig)
/* Composable Configs to set individual parameters */
class WithGroundTest extends Config(
(pname, site, here) => pname match {
case TLKey("L1toL2") => {
val useMEI = site(NTiles) <= 1
val dataBeats = (8 * site(CacheBlockBytes)) / site(XLen)
TileLinkParameters(
coherencePolicy = (
if (useMEI) new MEICoherence(site(L2DirectoryRepresentation))
else new MESICoherence(site(L2DirectoryRepresentation))),
nManagers = site(BankedL2Config).nBanks + 1,
nCachingClients = 1,
nCachelessClients = 1,
maxClientXacts = ((site(DCacheKey).nMSHRs + 1) +:
site(GroundTestKey).map(_.maxXacts))
.reduce(max(_, _)),
maxClientsPerPort = site(GroundTestKey).map(_.uncached).sum,
maxManagerXacts = site(NAcquireTransactors) + 2,
dataBeats = dataBeats,
dataBits = site(CacheBlockBytes)*8)
}
case FPUKey => None
case UseAtomics => false
case UseCompressed => false
case _ => throw new CDEMatchError
})
class WithComparator extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
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GroundTestTileSettings(uncached = 2)
}
case BuildGroundTest =>
(p: Parameters) => Module(new ComparatorCore()(p))
case ComparatorKey => ComparatorParameters(
targets = Seq(site(ExtMem).base, testRamAddr),
width = 8,
operations = 1000,
atomics = site(UseAtomics),
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prefetches = false)
case FPUConfig => None
case UseAtomics => false
case _ => throw new CDEMatchError
})
class WithAtomics extends Config(
(pname, site, here) => pname match {
case UseAtomics => true
case _ => throw new CDEMatchError
})
class WithPrefetches extends Config(
(pname, site, here, up) => pname match {
case ComparatorKey => up(ComparatorKey).copy(prefetches = true)
case _ => throw new CDEMatchError
})
class WithMemtest extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(1, 1)
}
case GeneratorKey => TrafficGeneratorParameters(
maxRequests = 128,
startAddress = BigInt(site(ExtMem).base))
case BuildGroundTest =>
(p: Parameters) => Module(new GeneratorTest()(p))
case _ => throw new CDEMatchError
})
class WithNGenerators(nUncached: Int, nCached: Int) extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(nUncached, nCached)
}
case _ => throw new CDEMatchError
})
class WithCacheFillTest extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(uncached = 1)
}
case BuildGroundTest =>
(p: Parameters) => Module(new CacheFillTest()(p))
case _ => throw new CDEMatchError
})
class WithBroadcastRegressionTest extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(1, 1, maxXacts = 3)
}
case BuildGroundTest =>
(p: Parameters) => Module(new RegressionTest()(p))
case GroundTestRegressions =>
(p: Parameters) => RegressionTests.broadcastRegressions(p)
case _ => throw new CDEMatchError
})
class WithCacheRegressionTest extends Config(
(pname, site, here) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(1, 1, maxXacts = 5)
}
case BuildGroundTest =>
(p: Parameters) => Module(new RegressionTest()(p))
case GroundTestRegressions =>
(p: Parameters) => RegressionTests.cacheRegressions(p)
case _ => throw new CDEMatchError
})
class WithTraceGen extends Config(
(pname, site, here, up) => pname match {
case GroundTestKey => Seq.fill(site(NTiles)) {
GroundTestTileSettings(uncached = 1, cached = 1)
}
case BuildGroundTest =>
(p: Parameters) => Module(new GroundTestTraceGenerator()(p))
case GeneratorKey => TrafficGeneratorParameters(
maxRequests = 256,
startAddress = 0)
case AddressBag => {
val nSets = 32 // L2 NSets
val nWays = 1
val blockOffset = site(CacheBlockOffsetBits)
val nBeats = site(TLKey("L1toL2")).dataBeats
List.tabulate(4 * nWays) { i =>
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Seq.tabulate(nBeats) { j => BigInt((j * 8) + ((i * nSets) << blockOffset)) }
}.flatten
}
case UseAtomics => true
case CacheName("L1D") => up(CacheName("L1D")).copy(nSets = 16, nWays = 1)
case _ => throw new CDEMatchError
})