[PATCH] bios: mtrr: add uncached string for DEFAULT type

Alex Hung alex.hung at canonical.com
Wed Apr 17 09:52:16 UTC 2013


In Section 11.11 of Intel® 64 and IA-32 Architectures Software Developer's
Manual Volume 3, it implies physical memory unconfigured in MTRR is uncached.

Signed-off-by: Alex Hung <alex.hung at canonical.com>
---
 src/bios/mtrr/mtrr.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bios/mtrr/mtrr.c b/src/bios/mtrr/mtrr.c
index 0a83d58..284d153 100644
--- a/src/bios/mtrr/mtrr.c
+++ b/src/bios/mtrr/mtrr.c
@@ -73,7 +73,7 @@ static char *cache_to_string(int type)
 	if (type & WRITE_PROTECT)
 		strcat(str," Write-Protect");
 	if (type & DEFAULT)
-		strcat(str," Default");
+		strcat(str," Default (Most probably Uncached)");
 	if (type & UNKNOWN)
 		strcat(str," Unknown");
 	return str;
-- 
1.7.9.5




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