Remove Unused DANA Control Signals

I've removed the following signals from the control request because they
are not used:
* ASID
* TID
* nodesInNextLayer
* currentNode
* nodesInCurrentLayer
* nodesInNextLayer

src/main/scala/Cache.scala

@@ -271,9 +271,7 @@ class Cache extends DanaModule {
       // Number of neurons in this layer
       controlRespPipe(1).bits.data(0) :=
         compressedLayers(controlRespPipe(0).bits.data(0))(12 + 10 - 1, 12)
-      // Number of neurons in the next layer
-      controlRespPipe(1).bits.data(1) :=
-        compressedLayers(controlRespPipe(0).bits.data(0))(22 + 10 - 1, 22)
+      // data(1) is currently unused
       // Pointer to the first neuron
       controlRespPipe(1).bits.data(2) :=
         compressedLayers(controlRespPipe(0).bits.data(0))(12 - 1, 0)

src/main/scala/Control.scala

@@ -86,7 +86,7 @@ class Control extends DanaModule {
     io.cache.req.bits.layer := layer
     io.cache.req.bits.location := location
   }
-  def reqPETable(valid: Bool, cacheIndex: UInt, asid: UInt, tid: UInt,
+  def reqPETable(valid: Bool, cacheIndex: UInt,
     tIdx: UInt, locationInput: UInt, locationOutput: UInt,
     inputIndex: UInt, outputIndex: UInt, neuronPointer: UInt,
     decimalPoint: UInt) {
@@ -120,7 +120,7 @@ class Control extends DanaModule {
   io.cache.resp.ready := Bool(true) // [TODO] not correct
   reqCache(Bool(false), UInt(0), UInt(0), UInt(0), UInt(0), UInt(0))
   // io.petable defaults
-  reqPETable(Bool(false), UInt(0), UInt(0), UInt(0), UInt(0), UInt(0),
+  reqPETable(Bool(false), UInt(0), UInt(0), UInt(0),
     UInt(0), UInt(0), UInt(0), UInt(0), UInt(0))
   // io.regFile defaults
   io.regFile.req.valid := Bool(false)
@@ -187,9 +187,7 @@ class Control extends DanaModule {
         // The specific cache entry where the NN configuration for
         // this PE is located
         io.tTable.req.bits.cacheIndex, // cacheIndex
-        // Transaction Table index (ASID/TID) aren't needed?
-        io.tTable.req.bits.asid,
-        io.tTable.req.bits.tid,
+        // Table Index, no ASID/TID are used
         io.tTable.req.bits.tableIndex,
         // Clever input/output location determination
         Mux(io.tTable.req.bits.inFirst, e_LOCATION_IO,

src/main/scala/TransactionTable.scala

@@ -25,7 +25,6 @@ class TransactionState extends XFilesBundle {
   val currentNodeInLayer = UInt(width = 16) // [TODO] fragile
   val currentLayer = UInt(width = 16) // [TODO] fragile
   val nodesInCurrentLayer = UInt(width = 16) // [TODO] fragile
-  val nodesInNextLayer = UInt(width = 16) // [TODO] fragile
   val neuronPointer = UInt(width = 11) // [TODO] fragile
   val countFeedback = UInt(width = feedbackWidth)
   val countPeWrites = UInt(width = 16) // [TODO] fragile
@@ -47,14 +46,9 @@ class ControlReq extends XFilesBundle {
   val tableIndex = UInt(width = log2Up(transactionTableNumEntries))
   val cacheIndex = UInt(width = log2Up(cacheNumEntries))
   val nnid = UInt(width = nnidWidth) // formerly nn_hash
-  val asid = UInt(width = asidWidth)
-  val tid = UInt(width = tidWidth)
   // State info
-  val currentNode = UInt(width = 16) // [TODO] fragile
   val currentNodeInLayer = UInt(width = 16) // [TODO] fragile
   val currentLayer = UInt(width = 16) // [TODO] fragile
-  val nodesInCurrentLayer = UInt(width = 16) // [TODO] fragile
-  val nodesInNextLayer = UInt(width = 16) // [TODO] fragile
   val neuronPointer = UInt(width = 11) // [TODO] fragile
   val decimalPoint = UInt(width = decimalPointWidth)
 }
@@ -292,7 +286,6 @@ class TransactionTable extends XFilesModule {
           table(io.control.resp.bits.tableIndex).needsLayerInfo := Bool(false)
           table(io.control.resp.bits.tableIndex).currentNodeInLayer := UInt(0)
           table(io.control.resp.bits.tableIndex).nodesInCurrentLayer := io.control.resp.bits.data(0)
-          table(io.control.resp.bits.tableIndex).nodesInNextLayer := io.control.resp.bits.data(1)
           table(io.control.resp.bits.tableIndex).neuronPointer := io.control.resp.bits.data(2)
           // Update the inFirst and inLast Bools. The currentLayer
           // should have already been updated when the request went out.
@@ -397,14 +390,9 @@ class TransactionTable extends XFilesModule {
     entryArbiter.io.in(i).bits.tableIndex := UInt(i)
     entryArbiter.io.in(i).bits.cacheIndex := table(i).cacheIndex
     entryArbiter.io.in(i).bits.nnid := table(i).nnid
-    entryArbiter.io.in(i).bits.asid := table(i).asid
-    entryArbiter.io.in(i).bits.tid := table(i).tid
     // State info
-    entryArbiter.io.in(i).bits.currentNode := table(i).currentNode
     entryArbiter.io.in(i).bits.currentNodeInLayer := table(i).currentNodeInLayer
     entryArbiter.io.in(i).bits.currentLayer := table(i).currentLayer
-    entryArbiter.io.in(i).bits.nodesInCurrentLayer :=table(i).nodesInCurrentLayer
-    entryArbiter.io.in(i).bits.nodesInNextLayer := table(i).nodesInNextLayer
     entryArbiter.io.in(i).bits.neuronPointer := table(i).neuronPointer
     entryArbiter.io.in(i).bits.decimalPoint := table(i).decimalPoint
   }