rocket-chip/src/main/scala/uncore/tilelink2/TLNodes.scala

// See LICENSE for license details.

package uncore.tilelink2

import Chisel._
import scala.collection.mutable.ListBuffer
import chisel3.internal.sourceinfo.SourceInfo

object TLImp extends NodeImp[TLClientPortParameters, TLManagerPortParameters, TLEdgeOut, TLEdgeIn, TLBundle]
{
  def edgeO(po: TLClientPortParameters, pi: TLManagerPortParameters): TLEdgeOut = new TLEdgeOut(po, pi)
  def edgeI(po: TLClientPortParameters, pi: TLManagerPortParameters): TLEdgeIn  = new TLEdgeIn(po, pi)
  def bundleO(eo: Seq[TLEdgeOut]): Vec[TLBundle] = {
    require (!eo.isEmpty)
    Vec(eo.size, TLBundle(eo.map(_.bundle).reduce(_.union(_))))
  }
  def bundleI(ei: Seq[TLEdgeIn]): Vec[TLBundle] = {
    require (!ei.isEmpty)
    Vec(ei.size, TLBundle(ei.map(_.bundle).reduce(_.union(_)))).flip
  }

  def connect(bo: TLBundle, eo: TLEdgeOut, bi: TLBundle, ei: TLEdgeIn)(implicit sourceInfo: SourceInfo): Unit = {
    require (eo.asInstanceOf[TLEdgeParameters] == ei.asInstanceOf[TLEdgeParameters])
    TLMonitor.legalize(bo, eo, bi, ei)
    bi <> bo
    val mask = ~UInt(ei.manager.beatBytes - 1)
    bi.a.bits.address := (mask & bo.a.bits.address)
    bo.b.bits.address := (mask & bi.b.bits.address)
    bi.c.bits.address := (mask & bo.c.bits.address)
  }
}

case class TLIdentityNode() extends IdentityNode(TLImp)
case class TLOutputNode() extends OutputNode(TLImp)
case class TLInputNode() extends InputNode(TLImp)

case class TLClientNode(params: TLClientParameters, numPorts: Range.Inclusive = 1 to 1)
  extends SourceNode(TLImp)(TLClientPortParameters(Seq(params)), numPorts)

case class TLManagerNode(beatBytes: Int, params: TLManagerParameters, numPorts: Range.Inclusive = 1 to 1)
  extends SinkNode(TLImp)(TLManagerPortParameters(Seq(params), beatBytes), numPorts)

case class TLAdapterNode(
  clientFn:        Seq[TLClientPortParameters]  => TLClientPortParameters,
  managerFn:       Seq[TLManagerPortParameters] => TLManagerPortParameters,
  numClientPorts:  Range.Inclusive = 1 to 1,
  numManagerPorts: Range.Inclusive = 1 to 1)
  extends InteriorNode(TLImp)(clientFn, managerFn, numClientPorts, numManagerPorts)