From dc968020c4b31836749569ab3f4ab4d2d5af54a6 Mon Sep 17 00:00:00 2001
From: Dolu1990 <papuchoud@hotmail.com>
Date: Wed, 6 Jun 2018 15:20:37 +0200
Subject: [PATCH] Fix relaxedBusCmdValid pendingCmd overflow

---
 src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala b/src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
index 9cef45c..3e914af 100644
--- a/src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
+++ b/src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
@@ -160,9 +160,10 @@ class IBusSimplePlugin(resetVector : BigInt,
         val pipFork = fork(1)
         output << pipFork
 
-        iBus.cmd.valid := busFork.valid && pendingCmd =/= pendingMax
+        val okBus = pendingCmd =/= pendingMax
+        iBus.cmd.valid := busFork.valid && okBus
         iBus.cmd.pc := busFork.payload(31 downto 2) @@ "00"
-        busFork.ready := iBus.cmd.ready
+        busFork.ready := iBus.cmd.ready && okBus
       } else new Area {
         def input = fetchPc.output
         def output = iBusRsp.input