From 1441590c3bb91ffca5ccee2218fa7c69a543c790 Mon Sep 17 00:00:00 2001
From: Henry Cook <hcook@eecs.berkeley.edu>
Date: Fri, 16 Oct 2015 19:11:57 -0700
Subject: [PATCH] add enabled field to BTBParameters

---
 rocket/src/main/scala/btb.scala | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/rocket/src/main/scala/btb.scala b/rocket/src/main/scala/btb.scala
index 8aa64112..84295f27 100644
--- a/rocket/src/main/scala/btb.scala
+++ b/rocket/src/main/scala/btb.scala
@@ -7,7 +7,12 @@ import junctions._
 import Util._
 
 case object BtbKey extends Field[BtbParameters]
-case class BtbParameters(nEntries: Int = 62, nRAS: Int = 2, updatesOutOfOrder: Boolean = false)
+
+case class BtbParameters(
+  enabled: Boolean = true,
+  nEntries: Int = 62,
+  nRAS: Int = 2,
+  updatesOutOfOrder: Boolean = false)
 
 abstract trait HasBtbParameters extends HasCoreParameters {
   val matchBits = pgIdxBits