riscv/rocket-chip
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fix unused set issue for multiple L2 cache banks

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This commit is contained in:
Howard Mao
2015-11-20 23:26:28 -08:00
parent ad3b7fd0e1
commit 9d50f37289
3 changed files with 15 additions and 2 deletions
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13
src/main/scala/Configs.scala
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@ -60,17 +60,20 @@ class DefaultConfig extends Config (
case NWays => findBy(CacheName)
case RowBits => findBy(CacheName)
case NTLBEntries => findBy(CacheName)
case SetIdxOffset => findBy(CacheName)
case "L1I" => {
case NSets => Knob("L1I_SETS") //64
case NWays => Knob("L1I_WAYS") //4
case RowBits => 4*site(CoreInstBits)
case NTLBEntries => 8
case SetIdxOffset => 0
}:PF
case "L1D" => {
case NSets => Knob("L1D_SETS") //64
case NWays => Knob("L1D_WAYS") //4
case RowBits => 2*site(CoreDataBits)
case NTLBEntries => 8
case SetIdxOffset => 0
}:PF
case ECCCode => None
case Replacer => () => new RandomReplacement(site(NWays))
@ -209,6 +212,7 @@ class WithL2Cache extends Config(
site(NWays)
case NWays => Knob("L2_WAYS")
case RowBits => site(TLKey(site(TLId))).dataBitsPerBeat
case SetIdxOffset => log2Ceil(site(NMemoryChannels) * site(NBanksPerMemoryChannel))
}: PartialFunction[Any,Any]
case NAcquireTransactors => 2
case NSecondaryMisses => 4
@ -229,6 +233,10 @@ class WithL2Capacity256 extends Config(knobValues = { case "L2_CAPACITY_IN_KB" =
class WithL2Capacity128 extends Config(knobValues = { case "L2_CAPACITY_IN_KB" => 128 })
class WithL2Capacity64 extends Config(knobValues = { case "L2_CAPACITY_IN_KB" => 64 })
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 DefaultL2Config extends Config(new WithL2Cache ++ new DefaultConfig)
class DefaultL2VLSIConfig extends Config(new WithL2Cache ++ new DefaultVLSIConfig)
class DefaultL2CPPConfig extends Config(new WithL2Cache ++ new DefaultCPPConfig)
@ -355,3 +363,8 @@ class WithAccumulatorExample extends Config(
class AccumulatorExampleCPPConfig extends Config(new WithAccumulatorExample ++ new DefaultCPPConfig)
class AccumulatorExampleVLSIConfig extends Config(new WithAccumulatorExample ++ new DefaultVLSIConfig)
class SmallL2Config extends Config(
new With4L2Ways ++
new WithL2Capacity128 ++
new DefaultL2Config)