mem: write streaming support via WriteInvalidate promotion

[gem5.git] / src / mem / cache / blk.hh

diff --git a/src/mem/cache/blk.hh b/src/mem/cache/blk.hh
index d38281e48d25403540e6800ed6132c498421bf28..ff09b42c4b2723912299123b2a4ed302b39632b9 100644 (file)
--- a/src/mem/cache/blk.hh
+++ b/src/mem/cache/blk.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2013 ARM Limited
+ * Copyright (c) 2012-2014 ARM Limited
  * All rights reserved.
  *
  * The license below extends only to copyright in the software and shall
@@ -72,7 +72,10 @@ enum CacheBlkStatusBits {
     /** block was a hardware prefetch yet unaccessed*/
     BlkHWPrefetched =   0x20,
     /** block holds data from the secure memory space */
-    BlkSecure =         0x40
+    BlkSecure =         0x40,
+    /** can the block transition to E? (hasn't been shared with another cache)
+      * used to close a timing gap when handling WriteInvalidate packets */
+    BlkCanGoExclusive = 0x80
 };
 
 /**