[rtl] Replace field.

chipsalliance · Jun 11, 2024 · 705c0c8 · 705c0c8
1 parent b1d73a5
commit 705c0c8
Showing 1 changed file with 258 additions and 5 deletions.
diff --git a/t1/src/decoder/Decoder.scala b/t1/src/decoder/Decoder.scala
@@ -9,24 +9,277 @@ import chisel3.util.experimental.decode.{BoolDecodeField, DecodeBundle, DecodeFi
 import org.chipsalliance.rvdecoderdb
 import org.chipsalliance.rvdecoderdb.{Encoding, Instruction, InstructionSet}
 import org.chipsalliance.t1.rtl.T1Parameter
+import org.chipsalliance.t1.rtl.decoder.attribute.TriState
 
 trait T1DecodeFiled[D <: Data] extends DecodeField[T1DecodePattern, D] with FieldName
 
-trait T1BoolField extends T1DecodeFiled[Bool] with BoolDecodeField[T1DecodePattern]
+trait T1BoolField extends T1DecodeFiled[Bool] with BoolDecodeField[T1DecodePattern] {
+  def getTriState(pattern: T1DecodePattern): TriState
 
-object logic extends T1BoolField {
   override def genTable(pattern: T1DecodePattern): BitPat =
-    pattern.isLogic.value match {
+    getTriState(pattern) match {
       case attribute.Y => y
       case attribute.N => n
       case attribute.DC => dc
     }
 }
 
+trait T1UopField extends T1DecodeFiled[UInt] with FieldName {
+  def chiselType: UInt = UInt(4.W)
+}
+
+object logic extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isLogic.value
+}
+
+object adder extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isAdder.value
+}
+
+object shift extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isShift.value
+}
+
+object multiplier extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMultiplier.value
+}
+
+object divider extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isDivider.value
+}
+
+object multiCycle extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMulticycle.value
+}
+
+object other extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isOther.value
+}
+
+object unsigned0 extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isUnsigned0.value
+}
+
+object unsigned1 extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isUnsigned1.value
+}
+
+object itype extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isItype.value
+}
+
+object nr extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isNr.value
+}
+
+object red extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isRed.value
+}
+
+object widenReduce extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isWidenreduce.value
+}
+
+object targetRd extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isTargetrd.value
+}
+
+object slid extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSlid.value
+}
+
+object gather extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isGather.value
+}
+
+object gather16 extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isGather16.value
+}
+
+object compress extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isCompress.value
+}
+
+object unOrderWrite extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isUnorderwrite.value
+}
+
+object extend extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isExtend.value
+}
+
+object mv extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMv.value
+}
+
+object iota extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isIota.value
+}
+
+object maskLogic extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMasklogic.value
+}
+
+object maskDestination extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMaskdestination.value
+}
+
+object maskSource extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMasksource.value
+}
+
+object readOnly extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isReadonly.value
+}
+
+object vwmacc extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isVwmacc.value
+}
+
+object saturate extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSaturate.value
+}
+
+object special extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSpecial.value
+}
+
+object maskUnit extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isMaskunit.value
+}
+
+object crossWrite extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isCrosswrite.value
+}
+
+object crossRead extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isCrossread.value
+}
+
+object sWrite extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSwrite.value
+}
+
+object vtype extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isVtype.value
+}
+
+object sReadVD extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSreadvd.value
+}
+
+object scheduler extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isScheduler.value
+}
+
+object dontNeedExecuteInLane extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isDontneedexecuteinlane.value
+}
+
+object reverse extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isReverse.value
+}
+
+object average extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isAverage.value
+}
+
+object ffo extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isFfo.value
+}
+
+object popCount extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isPopcount.value
+}
+
+object specialSlot extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isSpecialslot.value
+}
+
+object float extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isFloat.value
+}
+
+object floatMul extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isFloatmul.value
+}
+
+object orderReduce extends T1BoolField {
+  override def getTriState(pattern: T1DecodePattern): TriState = pattern.isOrderreduce.value
+}
+
+object topUop extends T1UopField {
+  override def genTable(pattern: T1DecodePattern): BitPat = ???
+}
+
+object uop extends T1UopField {
+  override def genTable(pattern: T1DecodePattern): BitPat = ???
+}
+
+object fpExecutionType extends T1UopField {
+  override def genTable(pattern: T1DecodePattern): BitPat = ???
+}
+
 class Decoder(t1Parameter: T1Parameter) {
   def allFields: Seq[T1DecodeFiled[_ >: Bool <: UInt]] = Seq(
-    logic
-  )
+    logic,
+    adder,
+    shift,
+    multiplier,
+    divider,
+    multiCycle,
+    other,
+    unsigned0,
+    unsigned1,
+    itype,
+    nr,
+    red,
+    // top only
+    widenReduce,
+    targetRd,
+    slid,
+    gather,
+    gather16,
+    compress,
+    unOrderWrite,
+    // top uop
+    extend, // top uop
+    mv, // top uop
+    iota, // top uop
+    uop,
+    maskLogic,
+    maskDestination,
+    maskSource,
+    readOnly,
+    vwmacc,
+    saturate,
+    special,
+    maskUnit,
+    crossWrite,
+    crossRead,
+    // state
+    sWrite,
+    //sRead1 -> vType
+    vtype,
+    sReadVD,
+    scheduler,
+    dontNeedExecuteInLane,
+    reverse, // uop
+    average, // uop
+    ffo, // todo: add mask select -> top uop
+    popCount, // top uop add, red, uop popCount
+    topUop,
+    specialSlot
+  ) ++ {
+    if (t1Parameter.fpuEnable)
+      Seq(
+        float,
+        fpExecutionType,
+        floatMul,
+        orderReduce
+      )
+    else Seq()
+  }
   def allDecodePattern = t1Parameter.allInstuctions.map(T1DecodePattern(_, t1Parameter)).toSeq.sortBy(_.instruction.name)
 
   def decodeTable: DecodeTable[T1DecodePattern] =