[rocketv] Supplement vector related csr modification.

chipsalliance · Sep 3, 2024 · 644602b · 644602b
1 parent 7bf6283
commit 644602b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/rocketv/src/CSR.scala b/rocketv/src/CSR.scala
@@ -1703,9 +1703,10 @@ class CSR(val parameter: CSRParameter)
     val newVType = Mux1H(
       Seq(
         (vsetvli || vsetivli) -> io.inst(0)(27, 20),
-        vsetvl -> io.wbRegRS2.get(7, 0)
+        vsetvl -> io.wbRegRS2.get
       )
     )
+    val newTypMSBValid: Bool = (newVType >> 8).asUInt.orR
     // todo: xLen -> vector.elen
     val vlmulIllList = Seq(0.U, 1.U, 2.U, 3.U)++ Option.when(xLen>=16)(7.U) ++ Option.when(xLen>=32)(6.U) ++ Option.when(xLen>=64)(5.U)
     val vlmulIll: Bool = vlmulIllList.map(_ === newVType(2, 0)).reduce(_ || _)
@@ -1743,6 +1744,9 @@ class CSR(val parameter: CSRParameter)
       when(decoded_addr(CSRs.vxrm)) {
         vector.get.states("vxrm") := wdata
       }
+      when(decoded_addr(CSRs.vxsat)) {
+        vector.get.states("vxsat") := wdata
+      }
       when(decoded_addr(CSRs.vcsr)) {
         vector.get.states("vxrm") := wdata(2, 1)
         vector.get.states("vxsat") := wdata(0)