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diplomacy: support zero-port Nodes

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This commit is contained in:
Wesley W. Terpstra
2017-01-19 18:36:39 -08:00
parent c0496fab29
commit 9dc7f180b6
9 changed files with 48 additions and 45 deletions
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11
src/main/scala/uncore/axi4/Nodes.scala
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@ -11,14 +11,9 @@ object AXI4Imp extends NodeImp[AXI4MasterPortParameters, AXI4SlavePortParameters
{
def edgeO(pd: AXI4MasterPortParameters, pu: AXI4SlavePortParameters): AXI4EdgeParameters = AXI4EdgeParameters(pd, pu)
def edgeI(pd: AXI4MasterPortParameters, pu: AXI4SlavePortParameters): AXI4EdgeParameters = AXI4EdgeParameters(pd, pu)
def bundleO(eo: Seq[AXI4EdgeParameters]): Vec[AXI4Bundle] = {
require (!eo.isEmpty)
Vec(eo.size, AXI4Bundle(eo.map(_.bundle).reduce(_.union(_))))
}
def bundleI(ei: Seq[AXI4EdgeParameters]): Vec[AXI4Bundle] = {
require (!ei.isEmpty)
Vec(ei.size, AXI4Bundle(ei.map(_.bundle).reduce(_.union(_))))
}
def bundleO(eo: Seq[AXI4EdgeParameters]): Vec[AXI4Bundle] = Vec(eo.size, AXI4Bundle(AXI4BundleParameters.union(eo.map(_.bundle))))
def bundleI(ei: Seq[AXI4EdgeParameters]): Vec[AXI4Bundle] = Vec(ei.size, AXI4Bundle(AXI4BundleParameters.union(ei.map(_.bundle))))
def colour = "#00ccff" // bluish
override def labelI(ei: AXI4EdgeParameters) = (ei.slave.beatBytes * 8).toString

3
src/main/scala/uncore/axi4/Parameters.scala
View File

@ -101,6 +101,9 @@ case class AXI4BundleParameters(
object AXI4BundleParameters
{
val emptyBundleParams = AXI4BundleParameters(addrBits=1, dataBits=8, idBits=1)
def union(x: Seq[AXI4BundleParameters]) = x.foldLeft(emptyBundleParams)((x,y) => x.union(y))
def apply(master: AXI4MasterPortParameters, slave: AXI4SlavePortParameters) =
new AXI4BundleParameters(
addrBits = log2Up(slave.maxAddress+1),