From 3a4ab7ad517b483d25652e08b0c532e78084d4ed Mon Sep 17 00:00:00 2001
From: Samuel Lindemer <samuel.lindemer@gmail.com>
Date: Fri, 28 May 2021 16:17:19 +0200
Subject: [PATCH] Un-pend PMP CSR writes on pipeline flushes

---
 src/main/scala/vexriscv/plugin/PmpPlugin.scala | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/scala/vexriscv/plugin/PmpPlugin.scala b/src/main/scala/vexriscv/plugin/PmpPlugin.scala
index f9d47ee..34d323d 100644
--- a/src/main/scala/vexriscv/plugin/PmpPlugin.scala
+++ b/src/main/scala/vexriscv/plugin/PmpPlugin.scala
@@ -182,6 +182,10 @@ class PmpPlugin(regions : Int, granularity : Int, ioRange : UInt => Bool) extend
         }
       }
 
+      when (arbitration.isFlushed) {
+        pending := False
+      }
+
       val writer = new Area {
         when (pending) {
           arbitration.haltItself := True