Files
chipyard/generators/tracegen/src/main/scala/System.scala
2019-08-30 11:38:07 -07:00

44 lines
1.3 KiB
Scala

package tracegen
import chisel3._
import freechips.rocketchip.config.{Field, Parameters}
import freechips.rocketchip.diplomacy.{LazyModule, LazyModuleImp, BufferParams}
import freechips.rocketchip.groundtest.{DebugCombiner, TraceGenParams}
import freechips.rocketchip.subsystem._
case object TraceGenKey extends Field[Seq[TraceGenParams]]
trait HasTraceGenTiles { this: BaseSubsystem =>
val tiles = p(TraceGenKey).zipWithIndex.map { case (params, i) =>
LazyModule(new TraceGenTile(i, params, p))
}
tiles.foreach { t =>
sbus.fromTile(None, buffer = BufferParams.default) { t.masterNode }
}
}
trait HasTraceGenTilesModuleImp extends LazyModuleImp {
val outer: HasTraceGenTiles
val success = IO(Output(Bool()))
outer.tiles.zipWithIndex.map { case(t, i) =>
t.module.constants.hartid := i.U
}
val status = DebugCombiner(outer.tiles.map(_.module.status))
success := status.finished
}
class TraceGenSystem(implicit p: Parameters) extends BaseSubsystem
with HasTraceGenTiles
with HasHierarchicalBusTopology
with CanHaveMasterAXI4MemPort {
override lazy val module = new TraceGenSystemModuleImp(this)
}
class TraceGenSystemModuleImp(outer: TraceGenSystem)
extends BaseSubsystemModuleImp(outer)
with HasTraceGenTilesModuleImp
with CanHaveMasterAXI4MemPortModuleImp