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Add a check that MaxHartIdBits is enough for all hartids (#1054) 

* Add a check that MaxHartIdBits is enough for all hartids

* Correct off-by-one error in hartid check
This commit is contained in:
Megan Wachs 2017-10-13 15:20:35 -07:00 committed by GitHub
parent 1852ccd8f3
commit e9e05b5f3b
1 changed files with 3 additions and 1 deletions
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4
src/main/scala/tile/RocketTile.scala
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@ -27,7 +27,9 @@ case class RocketTileParams(
require(dcache.isDefined)
}
abstract class HartedTile(tileParams: TileParams, val hartid: Int)(implicit p: Parameters) extends BaseTile(tileParams)(p)
abstract class HartedTile(tileParams: TileParams, val hartid: Int)(implicit p: Parameters) extends BaseTile(tileParams)(p) {
require (log2Up(hartid + 1) <= p(MaxHartIdBits), s"p(MaxHartIdBits) of ${p(MaxHartIdBits)} is not enough for hartid ${hartid}")
}
class RocketTile(val rocketParams: RocketTileParams)(implicit p: Parameters) extends HartedTile(rocketParams, rocketParams.hartid)(p)
with HasExternalInterrupts