mem: Add support for a security bit in the memory system

This patch adds the basic building blocks required to support e.g. ARM
TrustZone by discerning secure and non-secure memory accesses.

1 files changed, 13 insertions, 2 deletions

diff --git a/src/mem/cache/prefetch/stride.hh b/src/mem/cache/prefetch/stride.hh
index 89ac7acad..b02d97d56 100644
--- a/src/mem/cache/prefetch/stride.hh
+++ b/src/mem/cache/prefetch/stride.hh
@@ -1,4 +1,16 @@
 /*
+ * Copyright (c) 2012-2013 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright (c) 2005 The Regents of The University of Michigan
  * All rights reserved.
  *
@@ -57,12 +69,11 @@ class StridePrefetcher : public BasePrefetcher
       public:
         Addr instAddr;
         Addr missAddr;
+        bool isSecure;
         int stride;
         int confidence;
     };
 
-    Addr *lastMissAddr[Max_Contexts];
-
     std::list<StrideEntry*> table[Max_Contexts];
 
   public: