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tilelink2 Nodes: expose connectivity in RootNode

This commit is contained in:
Wesley W. Terpstra 2016-09-26 01:18:53 -07:00 committed by Yunsup Lee
parent 14cd39e045
commit 35da9320bc
1 changed files with 12 additions and 2 deletions
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14
src/main/scala/uncore/tilelink2/Nodes.scala
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@ -22,13 +22,21 @@ abstract class NodeImp[PO, PI, EO, EI, B <: Data]
def mixI(pi: PI, node: BaseNode[PO, PI, EO, EI, B]): PI = pi
}
class RootNode
abstract class RootNode
{
// You cannot create a Node outside a LazyModule!
require (!LazyModule.stack.isEmpty)
val lazyModule = LazyModule.stack.head
val index = lazyModule.nodes.size
lazyModule.nodes = this :: lazyModule.nodes
def name = lazyModule.name + "." + getClass.getName.split('.').last
def colour = "blue"
def omitGraphML = outputs.isEmpty && inputs.isEmpty
protected[tilelink2] def outputs: Seq[RootNode]
protected[tilelink2] def inputs: Seq[RootNode]
}
class BaseNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(
@ -38,7 +46,6 @@ class BaseNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(
private val numPI: Range.Inclusive) extends RootNode
{
// At least 0 ports must be supported
def name = lazyModule.name + "." + getClass.getName.split('.').last
require (!numPO.isEmpty, s"No number of outputs would be acceptable to ${name}${lazyModule.line}")
require (!numPI.isEmpty, s"No number of inputs would be acceptable to ${name}${lazyModule.line}")
require (numPO.start >= 0, s"${name} accepts a negative number of outputs${lazyModule.line}")
@ -59,6 +66,9 @@ class BaseNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(
private lazy val oPorts = { oRealized = true; reqO(); accPO.result() }
private lazy val iPorts = { iRealized = true; reqI(); accPI.result() }
protected[tilelink2] def outputs = oPorts.map(_._2)
protected[tilelink2] def inputs = iPorts.map(_._2)
private lazy val oParams : Seq[PO] = {
val o = oFn(oPorts.size, iPorts.map{ case (i, n) => n.oParams(i) })
reqE(oPorts.size, o.size)