Add cloned-tile configs

generators/chipyard/src/main/scala/Subsystem.scala

@@ -78,7 +78,7 @@ class ChipyardSubsystemModuleImp[+L <: ChipyardSubsystem](_outer: L) extends Bas
   with HasTilesModuleImp
 {
   // create file with core params
-  ElaborationArtefacts.add("""core.config""", outer.tiles.map(x => x.module.toString).mkString("\n"))
+  ElaborationArtefacts.add("""core.config""", outer.tiles.map(_.name).mkString("\n"))
   // Generate C header with relevant information for Dromajo
   // This is included in the `dromajo_params.h` header file
   DromajoHelper.addArtefacts(InSubsystem)

generators/chipyard/src/main/scala/config/BoomConfigs.scala

@@ -28,6 +28,12 @@ class DualSmallBoomConfig extends Config(
   new boom.common.WithNSmallBooms(2) ++                          // 2 boom cores
   new chipyard.config.AbstractConfig)
 
+class Cloned64MegaBoomConfig extends Config(
+  new boom.common.WithCloneBoomTiles(63, 0) ++
+  new boom.common.WithNMegaBooms(1) ++                           // mega boom config
+  new chipyard.config.WithSystemBusWidth(128) ++
+  new chipyard.config.AbstractConfig)
+
 class HwachaLargeBoomConfig extends Config(
   new chipyard.config.WithHwachaTest ++
   new hwacha.DefaultHwachaConfig ++                              // use Hwacha vector accelerator

generators/chipyard/src/main/scala/config/RocketConfigs.scala

@@ -122,6 +122,11 @@ class QuadRocketConfig extends Config(
   new freechips.rocketchip.subsystem.WithNBigCores(4) ++    // quad-core (4 RocketTiles)
   new chipyard.config.AbstractConfig)
 
+class Cloned64RocketConfig extends Config(
+  new freechips.rocketchip.subsystem.WithCloneRocketTiles(63, 0) ++ // copy tile0 63 more times
+  new freechips.rocketchip.subsystem.WithNBigCores(1) ++            // tile0 is a BigRocket
+  new chipyard.config.AbstractConfig)
+
 class RV32RocketConfig extends Config(
   new freechips.rocketchip.subsystem.WithRV32 ++            // set RocketTiles to be 32-bit
   new freechips.rocketchip.subsystem.WithNBigCores(1) ++