From c2b9544794945b1693b759323479bd21699079c0 Mon Sep 17 00:00:00 2001
From: Dolu1990 <charles.papon.90@gmail.com>
Date: Sat, 24 Nov 2018 13:37:53 +0100
Subject: [PATCH] Allow iBusCached plugin to be used when no memory stage is
 present

---
 src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala b/src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala
index e9623cf..66348f4 100644
--- a/src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala
+++ b/src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala
@@ -182,15 +182,13 @@ class IBusCachedPlugin(resetVector : BigInt = 0x80000000l,
       iBusRsp.output.pc := cacheRspArbitration.output.payload
 
 
-
-      memory plug new Area {
-
-        import memory._
+      val flushStage = if(memory != null) memory else execute
+      flushStage plug new Area {
+        import flushStage._
 
         cache.io.flush.cmd.valid := False
         when(arbitration.isValid && input(FLUSH_ALL)) {
           cache.io.flush.cmd.valid := True
-          decode.arbitration.flushAll := True
 
           when(!cache.io.flush.cmd.ready) {
             arbitration.haltItself := True