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 c65498f075743b79d86e7445f9ca0dd242debeaa..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
 };
 
 /**
@@ -339,8 +342,8 @@ class CacheBlk
           default:    s = 'T'; break; // @TODO add other types
         }
         return csprintf("state: %x (%c) valid: %d writable: %d readable: %d "
-                        "dirty: %d tag: %x data: %x", status, s, isValid(),
-                        isWritable(), isReadable(), isDirty(), tag, *data);
+                        "dirty: %d tag: %x", status, s, isValid(),
+                        isWritable(), isReadable(), isDirty(), tag);
     }
 
     /**