Merge pull request #821 from ucb-bar/pmp-fragment

Add fragment to configure PMPs
ucb-bar · Mar 11, 2021 · e6b2a9c · e6b2a9c
2 parents 1ff8572 + 8f511ae
commit e6b2a9c
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/generators/chipyard/src/main/scala/ConfigFragments.scala b/generators/chipyard/src/main/scala/ConfigFragments.scala
@@ -151,6 +151,16 @@ class WithNPerfCounters(n: Int = 29) extends Config((site, here, up) => {
   }
 })
 
+class WithNPMPs(n: Int = 8) extends Config((site, here, up) => {
+  case TilesLocated(InSubsystem) => up(TilesLocated(InSubsystem), site) map {
+    case tp: RocketTileAttachParams => tp.copy(tileParams = tp.tileParams.copy(
+      core = tp.tileParams.core.copy(nPMPs = n)))
+    case tp: BoomTileAttachParams => tp.copy(tileParams = tp.tileParams.copy(
+      core = tp.tileParams.core.copy(nPMPs = n)))
+    case other => other
+  }
+})
+
 class WithRocketICacheScratchpad extends Config((site, here, up) => {
   case RocketTilesKey => up(RocketTilesKey, site) map { r =>
     r.copy(icache = r.icache.map(_.copy(itimAddr = Some(0x300000 + r.hartId * 0x10000))))