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diplomacy: add BlindNodes for use as external ports

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This commit is contained in:
Wesley W. Terpstra 2016-10-25 18:04:26 -07:00
parent 0edcd3304a
commit 650f6fb23f
3 changed files with 34 additions and 7 deletions
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16
src/main/scala/diplomacy/Nodes.scala
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@ -208,12 +208,28 @@ class SourceNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(po:
extends SimpleNode(imp)({case (n, Seq()) => Seq.fill(n)(po)}, {case (0, _) => Seq()}, num, 0 to 0)
{
require (num.end >= 1, s"${name} is a source which does not accept outputs${lazyModule.line}")
override lazy val bundleIn = { require(false, s"${name} has no bundleIn; try bundleOut?"); bundleOut }
}
class SinkNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(pi: PI, num: Range.Inclusive = 1 to 1)
extends SimpleNode(imp)({case (0, _) => Seq()}, {case (n, Seq()) => Seq.fill(n)(pi)}, 0 to 0, num)
{
require (num.end >= 1, s"${name} is a sink which does not accept inputs${lazyModule.line}")
override lazy val bundleOut = { require(false, s"${name} has no bundleOut; try bundleIn?"); bundleIn }
}
class BlindOutputNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(pi: PI)
extends SimpleNode(imp)({case (0, _) => Seq()}, {case (n, Seq()) => Seq.fill(n)(pi)}, 0 to 0, 1 to 1)
{
override val flip = true
override lazy val bundleOut = bundleIn
}
class BlindInputNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(po: PO)
extends SimpleNode(imp)({case (n, Seq()) => Seq.fill(n)(po)}, {case (0, _) => Seq()}, 1 to 1, 0 to 0)
{
override val flip = true
override lazy val bundleIn = bundleOut
}
class InteriorNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])

13
src/main/scala/uncore/axi4/Nodes.scala
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@ -30,18 +30,23 @@ object AXI4Imp extends NodeImp[AXI4MasterPortParameters, AXI4SlavePortParameters
pu.copy(slaves = pu.slaves.map { m => m.copy (nodePath = node +: m.nodePath) })
}
// Nodes implemented inside modules
case class AXI4IdentityNode() extends IdentityNode(AXI4Imp)
case class AXI4OutputNode() extends OutputNode(AXI4Imp)
case class AXI4InputNode() extends InputNode(AXI4Imp)
case class AXI4MasterNode(portParams: AXI4MasterPortParameters, numPorts: Range.Inclusive = 1 to 1)
extends SourceNode(AXI4Imp)(portParams, numPorts)
case class AXI4SlaveNode(portParams: AXI4SlavePortParameters, numPorts: Range.Inclusive = 1 to 1)
extends SinkNode(AXI4Imp)(portParams, numPorts)
case class AXI4AdapterNode(
masterFn: Seq[AXI4MasterPortParameters] => AXI4MasterPortParameters,
slaveFn: Seq[AXI4SlavePortParameters] => AXI4SlavePortParameters,
numMasterPorts: Range.Inclusive = 1 to 1,
numSlavePorts: Range.Inclusive = 1 to 1)
extends InteriorNode(AXI4Imp)(masterFn, slaveFn, numMasterPorts, numSlavePorts)
// Nodes passed from an inner module
case class AXI4OutputNode() extends OutputNode(AXI4Imp)
case class AXI4InputNode() extends InputNode(AXI4Imp)
// Nodes used for external ports
case class AXI4BlindOutputNode(portParams: AXI4SlavePortParameters) extends BlindOutputNode(AXI4Imp)(portParams)
case class AXI4BlindInputNode(portParams: AXI4MasterPortParameters) extends BlindInputNode(AXI4Imp)(portParams)

12
src/main/scala/uncore/tilelink2/Nodes.scala
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@ -89,10 +89,8 @@ object TLImp extends NodeImp[TLClientPortParameters, TLManagerPortParameters, TL
}
}
// Nodes implemented inside modules
case class TLIdentityNode() extends IdentityNode(TLImp)
case class TLOutputNode() extends OutputNode(TLImp)
case class TLInputNode() extends InputNode(TLImp)
case class TLClientNode(portParams: TLClientPortParameters, numPorts: Range.Inclusive = 1 to 1)
extends SourceNode(TLImp)(portParams, numPorts)
case class TLManagerNode(portParams: TLManagerPortParameters, numPorts: Range.Inclusive = 1 to 1)
@ -117,6 +115,14 @@ case class TLAdapterNode(
numManagerPorts: Range.Inclusive = 1 to 1)
extends InteriorNode(TLImp)(clientFn, managerFn, numClientPorts, numManagerPorts)
// Nodes passed from an inner module
case class TLOutputNode() extends OutputNode(TLImp)
case class TLInputNode() extends InputNode(TLImp)
// Nodes used for external ports
case class TLBlindOutputNode(portParams: TLManagerPortParameters) extends BlindOutputNode(TLImp)(portParams)
case class TLBlindInputNode(portParams: TLClientPortParameters) extends BlindInputNode(TLImp)(portParams)
/** Synthesizeable unit tests */
import unittest._