Instantiate coalescer inside VortexTile

Currently runtime errors with unhandled D opcode inside coalescer.
This commit is contained in:
Hansung Kim
2023-10-23 15:01:03 -07:00
parent 2091ef686b
commit 0f9896e001

View File

@@ -43,9 +43,9 @@ case class VortexTileParams(
}
// TODO: move to VortexCore
// VortexTileParams extends from TileParams that require a `core: CoreParams`
// field, so VortexCoreParams needs to also extend from that, requiring all
// these fields to be initialized. TODO.
// VortexTileParams extends TileParams which require a `core: CoreParams`
// field, so VortexCoreParams needs to extend from that, requiring all
// these fields to be initialized. Most of this is unnecessary though. TODO
case class VortexCoreParams(
bootFreqHz: BigInt = 0,
useVM: Boolean = true,
@@ -53,9 +53,9 @@ case class VortexCoreParams(
useSupervisor: Boolean = false,
useHypervisor: Boolean = false,
useDebug: Boolean = true,
useAtomics: Boolean = true,
useAtomics: Boolean = false,
useAtomicsOnlyForIO: Boolean = false,
useCompressed: Boolean = true,
useCompressed: Boolean = false,
useRVE: Boolean = false,
useSCIE: Boolean = false,
useBitManip: Boolean = false,
@@ -121,6 +121,8 @@ class VortexTile private (
val slaveNode = TLIdentityNode()
val masterNode = visibilityNode
println(s"======= found CoalescerKey: ${q(CoalescerKey).get.dataBusWidth}")
// Memory-mapped region for HTIF communication
// We use fixed addresses instead of tohost/fromhost
val regDevice = new SimpleDevice("vortex-reg", Seq(s"vortex-reg${tileParams.hartId}"))
@@ -149,75 +151,76 @@ class VortexTile private (
beatBytes = lazyCoreParamsView.coreDataBytes,
minLatency = 1)))*/
val numLanes = 4 // TODO: use Parameters for this
val sourceWidth = 4 // TODO: use Parameters for this
val numLanes = p(SIMTCoreKey) match {
case Some(simtParam) => simtParam.nLanes
case None => 4
}
val sourceWidth = p(SIMTCoreKey) match {
// TODO: respect coalescer newSrcIds
case Some(simtParam) => log2Ceil(simtParam.nSrcIds)
case None => 4
}
val imemNodes = Seq.tabulate(1) { i =>
TLClientNode(
Seq(
TLMasterPortParameters.v1(
clients = Seq(
TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} I-Mem $i",
requestFifo = true,
supportsProbe =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes)
)
)
)
)
)
TLClientNode(Seq(TLMasterPortParameters.v1(
clients = Seq(TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} I-Mem $i",
requestFifo = true,
supportsProbe =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes)
))
)))
}
val dmemNodes = Seq.tabulate(numLanes) { i =>
TLClientNode(
Seq(
TLMasterPortParameters.v1(
clients = Seq(
TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} D-Mem Lane $i",
requestFifo = true,
supportsProbe =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsPutFull =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsPutPartial =
TransferSizes(1, lazyCoreParamsView.coreDataBytes)
)
)
)
)
)
TLClientNode(Seq(TLMasterPortParameters.v1(
clients = Seq(TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} D-Mem Lane $i",
requestFifo = true,
supportsProbe =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsPutFull =
TransferSizes(1, lazyCoreParamsView.coreDataBytes),
supportsPutPartial =
TransferSizes(1, lazyCoreParamsView.coreDataBytes)
))
)))
}
// combine outgoing per-lane dmemNode into 1 idenity node
val dmemAggregateNode = TLIdentityNode()
dmemNodes.foreach { n => dmemAggregateNode := n }
println(s"============= lazyCoreParamsView.coreDataBytes=${lazyCoreParamsView.coreDataBytes}")
val memNode = TLClientNode(
Seq(
TLMasterPortParameters.v1(
clients = Seq(
TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} Mem Interface",
requestFifo = true,
supportsProbe = TransferSizes(16, 16), // FIXME: hardcoded
supportsGet = TransferSizes(16, 16),
supportsPutFull = TransferSizes(16, 16),
supportsPutPartial = TransferSizes(16, 16)
)
)
)
)
)
val memNode = TLClientNode(Seq(TLMasterPortParameters.v1(
clients = Seq(TLMasterParameters.v1(
sourceId = IdRange(0, 1 << sourceWidth),
name = s"Vortex Core ${vortexParams.hartId} Mem Interface",
requestFifo = true,
supportsProbe = TransferSizes(16, 16), // FIXME: hardcoded
supportsGet = TransferSizes(16, 16),
supportsPutFull = TransferSizes(16, 16),
supportsPutPartial = TransferSizes(16, 16)
))
)))
// Conditionally instantiate memory coalescer
val coalescerNode = p(CoalescerKey) match {
case Some(coalescerParam) => {
val coal = LazyModule(new CoalescingUnit(coalescerParam))
coal.cpuNode :=* dmemAggregateNode
coal.aggregateNode // N+1 lanes
}
case None => dmemAggregateNode
}
if (vortexParams.useVxCache) {
tlMasterXbar.node := TLWidthWidget(16) := memNode
} else {
imemNodes.foreach { tlMasterXbar.node := _ }
dmemNodes.foreach { tlMasterXbar.node := _ }
tlMasterXbar.node :=* coalescerNode
}
/* below are copied from rocket */
@@ -427,71 +430,9 @@ class VortexTileModuleImp(outer: VortexTile) extends BaseTileModuleImp(outer) {
}
}
// core.io.fpu := DontCare
// TODO eliminate this redundancy
// val h = dcachePorts.size
// val c = core.dcacheArbPorts
// val o = outer.nDCachePorts
// require(h == c, s"port list size was $h, core expected $c")
// require(h == o, s"port list size was $h, outer counted $o")
// TODO figure out how to move the below into their respective mix-ins
// dcacheArb.io.requestor <> dcachePorts.toSeq
}
/** VortexCore wraps around the Vortex BlackBox module and exposes TileLink
* nodes for the core-cache memory interface.
*/
class VortexCore(implicit p: Parameters) extends LazyModule {
val numLanes = 4 // TODO: use Parameters for this
val sourceWidth = 4 // TODO: use Parameters for this
// val imemNodes = Seq.tabulate(1) { i =>
// TLClientNode(
// Seq(
// TLMasterPortParameters.v1(
// clients = Seq(
// TLMasterParameters.v1(
// sourceId = IdRange(0, 1 << sourceWidth),
// name = s"Vortex Core ${vortexParams.hartId} I-Mem $i",
// requestFifo = true,
// supportsProbe =
// TransferSizes(1, lazyCoreParamsView.coreDataBytes),
// supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes)
// )
// )
// )
// )
// )
// }
// val dmemNodes = Seq.tabulate(numLanes) { i =>
// TLClientNode(
// Seq(
// TLMasterPortParameters.v1(
// clients = Seq(
// TLMasterParameters.v1(
// sourceId = IdRange(0, 1 << sourceWidth),
// name = s"Vortex Core ${vortexParams.hartId} D-Mem Lane $i",
// requestFifo = true,
// supportsProbe =
// TransferSizes(1, lazyCoreParamsView.coreDataBytes),
// supportsGet = TransferSizes(1, lazyCoreParamsView.coreDataBytes),
// supportsPutFull =
// TransferSizes(1, lazyCoreParamsView.coreDataBytes),
// supportsPutPartial =
// TransferSizes(1, lazyCoreParamsView.coreDataBytes)
// )
// )
// )
// )
// )
// }
lazy val module = new VortexCoreModuleImp(this)
}
class VortexCoreModuleImp(outer: VortexCore) extends LazyModuleImp(outer) {
// TODO: generalize for useVxCache
if (!outer.vortexParams.useVxCache) {
}
}
// Some @copypaste from CoalescerSourceGen.