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diplomacy: Allow LazyModuleImps to be based on RawModules or MultiIOModules 

And add a MonitorBase class to be connect's return type.
This commit is contained in:
Henry Cook 2017-05-02 01:36:38 -07:00
parent 4a24e9a6c6
commit 2e8a40a23f
6 changed files with 44 additions and 25 deletions
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24
src/main/scala/diplomacy/LazyModule.scala
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@ -4,6 +4,7 @@ package diplomacy
import Chisel._
import config._
import chisel3.experimental.{BaseModule, RawModule, MultiIOModule}
import chisel3.internal.sourceinfo.{SourceInfo, SourceLine, UnlocatableSourceInfo}
abstract class LazyModule()(implicit val p: Parameters)
@ -51,7 +52,7 @@ abstract class LazyModule()(implicit val p: Parameters)
def name = valName.getOrElse(className)
def line = sourceLine(info)
def module: LazyModuleImp
def module: LazyModuleImpLike
protected[diplomacy] def instantiate() = {
children.reverse.foreach { c =>
@ -140,14 +141,23 @@ object LazyModule
}
}
abstract class LazyModuleImp(outer: LazyModule) extends Module
trait LazyModuleImpLike extends BaseModule
{
val wrapper: LazyModule
// .module had better not be accessed while LazyModules are still being built!
require (LazyModule.stack.isEmpty, s"${outer.name}.module was constructed before LazyModule() was run on ${LazyModule.stack.head.name}")
require (LazyModule.stack.isEmpty, s"${wrapper.name}.module was constructed before LazyModule() was run on ${LazyModule.stack.head.name}")
override def desiredName = outer.moduleName
suggestName(outer.instanceName)
override def desiredName = wrapper.moduleName
suggestName(wrapper.instanceName)
outer.instantiate()
implicit val p = outer.p
wrapper.instantiate()
implicit val p = wrapper.p
}
abstract class LazyModuleImp(val wrapper: LazyModule) extends Module with LazyModuleImpLike
abstract class LazyMultiIOModuleImp(val wrapper: LazyModule) extends MultiIOModule with LazyModuleImpLike
abstract class LazyRawModuleImp(val wrapper: LazyModule) extends RawModule with LazyModuleImpLike

11
src/main/scala/diplomacy/Monitor.scala Normal file
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@ -0,0 +1,11 @@
// See LICENSE.SiFive for license details.
package diplomacy
import Chisel._
import chisel3.internal.sourceinfo.{SourceInfo, SourceLine}
import config._
abstract class MonitorBase(implicit sourceInfo: SourceInfo, p: Parameters) extends LazyModule()(p) {
override val module: LazyModuleImp
}

16
src/main/scala/diplomacy/Nodes.scala
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@ -18,7 +18,7 @@ trait InwardNodeImp[DI, UI, EI, BI <: Data]
def bundleI(ei: EI): BI
def colour: String
def reverse: Boolean = false
def connect(edges: () => Seq[EI], bundles: () => Seq[(BI, BI)])(implicit p: Parameters, sourceInfo: SourceInfo): (Option[LazyModule], () => Unit) = {
def connect(edges: () => Seq[EI], bundles: () => Seq[(BI, BI)])(implicit p: Parameters, sourceInfo: SourceInfo): (Option[MonitorBase], () => Unit) = {
(None, () => bundles().foreach { case (i, o) => i <> o })
}
@ -78,11 +78,11 @@ case class NodeHandle[DI, UI, BI <: Data, DO, UO, BO <: Data]
trait InwardNodeHandle[DI, UI, BI <: Data]
{
val inward: InwardNode[DI, UI, BI]
def := (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] =
def := (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] =
inward.:=(h)(p, sourceInfo)
def :*= (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] =
def :*= (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] =
inward.:*=(h)(p, sourceInfo)
def :=* (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] =
def :=* (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] =
inward.:=*(h)(p, sourceInfo)
}
@ -232,7 +232,7 @@ abstract class MixedNode[DI, UI, EI, BI <: Data, DO, UO, EO, BO <: Data](
lazy val bundleIn = wireI(flipI(HeterogeneousBag(edgesIn .map(inner.bundleI(_)))))
// connects the outward part of a node with the inward part of this node
private def bind(h: OutwardNodeHandle[DI, UI, BI], binding: NodeBinding)(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] = {
private def bind(h: OutwardNodeHandle[DI, UI, BI], binding: NodeBinding)(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] = {
val x = this // x := y
val y = h.outward
val info = sourceLine(sourceInfo, " at ", "")
@ -263,9 +263,9 @@ abstract class MixedNode[DI, UI, EI, BI <: Data, DO, UO, EO, BO <: Data](
out
}
override def := (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] = bind(h, BIND_ONCE)
override def :*= (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] = bind(h, BIND_STAR)
override def :=* (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[LazyModule] = bind(h, BIND_QUERY)
override def := (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] = bind(h, BIND_ONCE)
override def :*= (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] = bind(h, BIND_STAR)
override def :=* (h: OutwardNodeHandle[DI, UI, BI])(implicit p: Parameters, sourceInfo: SourceInfo): Option[MonitorBase] = bind(h, BIND_QUERY)
// meta-data for printing the node graph
protected[diplomacy] def colour = inner.colour

12
src/main/scala/rocketchip/BaseTop.scala
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@ -22,9 +22,9 @@ abstract class BareTopBundle[+L <: BareTop](_outer: L) extends GenericParameteri
implicit val p = outer.p
}
abstract class BareTopModule[+L <: BareTop, +B <: BareTopBundle[L]](_outer: L, _io: () => B) extends LazyModuleImp(_outer) {
abstract class BareTopModule[+L <: BareTop, +B <: BareTopBundle[L]](_outer: L, _io: () => B) extends LazyMultiIOModuleImp(_outer) {
val outer = _outer
val io = _io ()
val io = IO(_io())
}
/** HasTopLevelNetworks provides buses that will serve as attachment points,
@ -59,13 +59,13 @@ trait HasTopLevelNetworksModule extends HasPeripheryParameters {
}
/** Base Top class with no peripheral devices or ports added */
class BaseTop(implicit p: Parameters) extends BareTop
abstract class BaseTop(implicit p: Parameters) extends BareTop
with HasTopLevelNetworks {
override lazy val module = new BaseTopModule(this, () => new BaseTopBundle(this))
override val module: BaseTopModule[BaseTop, BaseTopBundle[BaseTop]]
}
class BaseTopBundle[+L <: BaseTop](_outer: L) extends BareTopBundle(_outer)
abstract class BaseTopBundle[+L <: BaseTop](_outer: L) extends BareTopBundle(_outer)
with HasTopLevelNetworksBundle
class BaseTopModule[+L <: BaseTop, +B <: BaseTopBundle[L]](_outer: L, _io: () => B) extends BareTopModule(_outer, _io)
abstract class BaseTopModule[+L <: BaseTop, +B <: BaseTopBundle[L]](_outer: L, _io: () => B) extends BareTopModule(_outer, _io)
with HasTopLevelNetworksModule

4
src/main/scala/uncore/tilelink2/Monitor.scala
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@ -9,10 +9,8 @@ import diplomacy._
case class TLMonitorArgs(edge: () => Seq[TLEdge], sourceInfo: SourceInfo, p: Parameters)
abstract class TLMonitorBase(args: TLMonitorArgs) extends LazyModule()(args.p)
abstract class TLMonitorBase(args: TLMonitorArgs) extends MonitorBase()(args.sourceInfo, args.p)
{
implicit val sourceInfo = args.sourceInfo
def legalize(bundle: TLBundleSnoop, edge: TLEdge, reset: Bool): Unit
lazy val module = new LazyModuleImp(this) {

2
src/main/scala/uncore/tilelink2/Nodes.scala
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@ -24,7 +24,7 @@ object TLImp extends NodeImp[TLClientPortParameters, TLManagerPortParameters, TL
override def labelI(ei: TLEdgeIn) = (ei.manager.beatBytes * 8).toString
override def labelO(eo: TLEdgeOut) = (eo.manager.beatBytes * 8).toString
override def connect(edges: () => Seq[TLEdgeIn], bundles: () => Seq[(TLBundle, TLBundle)])(implicit p: Parameters, sourceInfo: SourceInfo): (Option[LazyModule], () => Unit) = {
override def connect(edges: () => Seq[TLEdgeIn], bundles: () => Seq[(TLBundle, TLBundle)])(implicit p: Parameters, sourceInfo: SourceInfo): (Option[TLMonitorBase], () => Unit) = {
val monitor = p(TLMonitorBuilder)(TLMonitorArgs(edges, sourceInfo, p))
(monitor, () => {
val eval = bundles ()