riscv/rocket-chip
1
0
Fork 0
Code Releases Activity

diplomacy: change API to auto-create node bundles => cross-module refs

Browse Source
This commit is contained in:
Wesley W. Terpstra
2017-09-13 18:06:03 -07:00
parent 53f6999ea8
commit 9217baf9d4
86 changed files with 575 additions and 933 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/main/scala/tilelink/NodeNumberer.scala
View File

@ -9,9 +9,6 @@ import freechips.rocketchip.diplomacy._
case class TLNodeNumbererNode(nodeAddressOffset: Option[Int] = None)(implicit valName: ValName) extends TLCustomNode(0 to 999, 0 to 999)
{
val externalIn = true
val externalOut = true
def resolveStar(iKnown: Int, oKnown: Int, iStars: Int, oStars: Int): (Int, Int) = {
require (oStars + iStars <= 1, s"${name} (a custom adapter) appears left of a :*= ${iStars} times and right of a :=* ${oStars} times; at most once is allowed${lazyModule.line}")
if (oStars > 0) {
@ -46,15 +43,10 @@ class TLNodeNumberer(nodeAddressOffset: Option[Int] = None)(implicit p: Paramete
val node = TLNodeNumbererNode(nodeAddressOffset)
lazy val module = new LazyModuleImp(this) {
val io = new Bundle {
val in = node.bundleIn
val out = node.bundleOut
}
val minNodeOffset = log2Ceil(node.edgesOut.map(_.manager.maxAddress).max)
val minNodeOffset = log2Ceil(node.out.map(_._2.manager.maxAddress).max)
val nodeOffset = nodeAddressOffset.getOrElse(minNodeOffset)
(io.in zip io.out).zipWithIndex foreach { case ((in, out), i) =>
(node.in zip node.out).zipWithIndex foreach { case (((in, _), (out, _)), i) =>
out <> in
// a&c address already get truncated
in.b.bits.address := (UInt(i+1) << nodeOffset) | out.b.bits.address