DataCache now allocate ways randomly

2019-05-25 00:28:30 +02:00 · 2019-05-25 00:28:30 +02:00 · 38a464a829
parent 4a40184b35
commit 38a464a829
1 changed files with 4 additions and 2 deletions
--- a/src/main/scala/vexriscv/ip/DataCache.scala
+++ b/src/main/scala/vexriscv/ip/DataCache.scala
@ -678,11 +678,13 @@ class DataCache(p : DataCacheConfig) extends Component{
      tagsWriteCmd.data.error := error || io.mem.rsp.error
      tagsWriteCmd.way := waysAllocator

-      waysAllocator := (waysAllocator ## waysAllocator.msb).resized
-
      error := False
    }

+    when(!valid){
+      waysAllocator := (waysAllocator ## waysAllocator.msb).resized
+    }
+
    io.cpu.redo setWhen(valid)
    stageB.mmuRspFreeze setWhen(stageB.loaderValid || valid)
  }