The size of platform memory above 1M is measured in kilobytes.

This patch fixes truncation of this value. Actually 0 Mb memory size was set by reason of overflow of 16 bit word caused by wrong value used.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Mike Maslenkin <mihailm@parallels.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15318 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
index bf27605504423229493d2d0cb2598d12e8dc9c2e..8120ef765d6809ad39d7980d4d18a7a4259cfac3 100644 (file)
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
@@ -1,6 +1,6 @@
 /** @file\r
 \r
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
 \r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions\r
@@ -2101,7 +2101,7 @@ LegacyBiosCompleteStandardCmosBeforeBoot (
   //\r
   // redo memory size since it can change\r
   //\r
-  Size = 15 * SIZE_1MB;\r
+  Size = (15 * SIZE_1MB) >> 10;\r
   if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) {\r
     Size  = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;\r
   }\r