riscv/rocket-chip
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make halt_and_catch_fire Optional

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This commit is contained in:
Henry Cook 2017-09-21 14:58:15 -07:00
parent 28b635e721
commit e0b9f9213a
2 changed files with 7 additions and 4 deletions
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9
src/main/scala/tile/RocketTile.scala
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@ -132,7 +132,9 @@ class RocketTile(val rocketParams: RocketTileParams, val hartid: Int)(implicit p
class RocketTileBundle(outer: RocketTile) extends BaseTileBundle(outer)
with HasExternalInterruptsBundle
with CanHaveScratchpadBundle
with CanHaltAndCatchFire
with CanHaltAndCatchFire {
val halt_and_catch_fire = outer.rocketParams.hcfOnUncorrectable.option(Bool(OUTPUT))
}
class RocketTileModule(outer: RocketTile) extends BaseTileModule(outer, () => new RocketTileBundle(outer))
with HasExternalInterruptsModule
@ -145,7 +147,7 @@ class RocketTileModule(outer: RocketTile) extends BaseTileModule(outer, () => ne
decodeCoreInterrupts(core.io.interrupts) // Decode the interrupt vector
core.io.hartid := io.hartid // Pass through the hartid
io.trace.foreach { _ := core.io.trace }
io.halt_and_catch_fire := (if(outer.rocketParams.hcfOnUncorrectable) uncorrectable else false.B)
io.halt_and_catch_fire.foreach { _ := uncorrectable }
outer.frontend.module.io.cpu <> core.io.imem
outer.frontend.module.io.reset_vector := io.reset_vector
outer.frontend.module.io.hartid := io.hartid
@ -228,12 +230,13 @@ abstract class RocketTileWrapper(rtp: RocketTileParams, hartid: Int)(implicit p:
val asyncInterrupts = asyncIntNode.bundleIn
val periphInterrupts = periphIntNode.bundleIn
val coreInterrupts = coreIntNode.bundleIn
val halt_and_catch_fire = rocket.module.io.halt_and_catch_fire.map(_.cloneType)
}
// signals that do not change based on crossing type:
rocket.module.io.hartid := io.hartid
rocket.module.io.reset_vector := io.reset_vector
io.trace.foreach { _ := rocket.module.io.trace.get }
io.halt_and_catch_fire := rocket.module.io.halt_and_catch_fire
io.halt_and_catch_fire.foreach { _ := rocket.module.io.halt_and_catch_fire.get }
}
}

2
src/main/scala/util/Misc.scala
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@ -27,7 +27,7 @@ trait Clocked extends Bundle {
}
trait CanHaltAndCatchFire extends Bundle {
val halt_and_catch_fire = Bool(OUTPUT)
val halt_and_catch_fire: Option[Bool]
}
object DecoupledHelper {