Add shuttle core

.gitmodules

@@ -124,3 +124,6 @@
 [submodule "software/embench/embench-iot"]
 	path = software/embench/embench-iot
 	url = https://github.com/embench/embench-iot.git
+[submodule "shuttle"]
+	path = generators/shuttle
+	url = https://github.com/ucb-bar/shuttle.git

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

@@ -0,0 +1,32 @@
+package chipyard
+
+import org.chipsalliance.cde.config.{Config}
+
+//-----------------
+// Shuttle Configs
+//-----------------
+
+class ShuttleConfig extends Config(
+  new shuttle.common.WithNShuttleCores ++
+  new chipyard.config.AbstractConfig)
+
+class ShuttleCosimConfig extends Config(
+  new chipyard.harness.WithCospike ++                            // attach spike-cosim
+  new chipyard.config.WithTraceIO ++
+  new shuttle.common.WithShuttleDebugROB ++
+  new shuttle.common.WithNShuttleCores ++
+  new chipyard.config.AbstractConfig)
+
+class dmiShuttleCosimConfig extends Config(
+  new chipyard.harness.WithSerialTLTiedOff ++                    // don't attach anything to serial-tl
+  new chipyard.harness.WithCospike ++                            // attach spike-cosim
+  new chipyard.config.WithDMIDTM ++                              // have debug module expose a clocked DMI port
+  new chipyard.config.WithTraceIO ++
+  new shuttle.common.WithShuttleDebugROB ++
+  new shuttle.common.WithNShuttleCores ++
+  new chipyard.config.AbstractConfig)
+
+class GemminiShuttleConfig extends Config(
+  new gemmini.DefaultGemminiConfig ++                            // use Gemmini systolic array GEMM accel
+  new shuttle.common.WithNShuttleCores ++
+  new chipyard.config.AbstractConfig)