Changeset 9f63a83 in mainline for kernel/arch/sparc64/include/mm/cache.h

Timestamp:

2007-01-19T12:21:27Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

718d600

Parents:

81cfefa

Message:

Beat the implicit illegal virtual alias created by reusing userspace frames.
In the anonymous and ELF backends, if the architecture has virtually indexed D-cache,
selectively flush cachelines belonging to the frame being freed.
This fixes Ticket #20.

File:

• kernel/arch/sparc64/include/mm/cache.h (modified) (1 diff)

kernel/arch/sparc64/include/mm/cache.h

@@ -36 +36 @@
 #define KERN_sparc64_CACHE_H_
 
+#include <mm/page.h>
+#include <mm/frame.h>
+
+#define dcache_flush_page(p) \
+        dcache_flush_color(PAGE_COLOR((p)))
+#define dcache_flush_frame(p, f) \
+        dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f)));
+
 extern void dcache_flush(void);
+extern void dcache_flush_color(int c);
+extern void dcache_flush_tag(int c, pfn_t tag);
 
 #endif