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

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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
This commit is contained in:
Mike Maslenkin 2014-03-05 08:45:13 +00:00 committed by li-elvin
parent 81f2915669
commit de2eccc46a
1 changed files with 2 additions and 2 deletions
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4
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
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@ -1,6 +1,6 @@
/** @file /** @file
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions are licensed and made available under the terms and conditions
@ -2101,7 +2101,7 @@ LegacyBiosCompleteStandardCmosBeforeBoot (
// //
// redo memory size since it can change // redo memory size since it can change
// //
Size = 15 * SIZE_1MB; Size = (15 * SIZE_1MB) >> 10;
if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) { if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) {
Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10; Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;
} }