Add Keep attribut on dBusCached relaxedMemoryTranslationRegister feature

2019-10-11 00:22:44 +02:00 · 2019-10-11 00:22:44 +02:00 · 3fc0a74102
parent 51d22d4a8c
commit 3fc0a74102
1 changed files with 4 additions and 1 deletions
--- a/src/main/scala/vexriscv/plugin/DBusCachedPlugin.scala
+++ b/src/main/scala/vexriscv/plugin/DBusCachedPlugin.scala
@ -223,7 +223,10 @@ class DBusCachedPlugin(val config : DataCacheConfig,
        arbitration.haltItself := True
      }

-      if(relaxedMemoryTranslationRegister) insert(MEMORY_VIRTUAL_ADDRESS) := cache.io.cpu.execute.address
+      if(relaxedMemoryTranslationRegister) {
+        insert(MEMORY_VIRTUAL_ADDRESS) := cache.io.cpu.execute.address
+        addPrePopTask( () => KeepAttribute(memory.input(MEMORY_VIRTUAL_ADDRESS).getDrivingReg))
+      }
    }

    memory plug new Area{