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MdeModulePkg/FrameBufferBltLib: Fix copying of unaligned memory 

Contributed-under: TianoCore Contribution Agreement 1.1
Reported-by: Christian Ehrhardt <ehrhardt@genua.de>
Signed-off-by: Christian Ehrhardt <ehrhardt@genua.de>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Tested-by: Christian Ehrhardt <ehrhardt@genua.de>
This commit is contained in:
Ruiyu Ni 2018-01-15 11:44:38 +08:00
parent 5ae0723355
commit 0e58b55a46
1 changed files with 2 additions and 0 deletions
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2
MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
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@ -280,6 +280,7 @@ FrameBufferBltLibVideoFill (
SizeInBytes = WidthInBytes * Height; SizeInBytes = WidthInBytes * Height;
if (SizeInBytes >= 8) { if (SizeInBytes >= 8) {
SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill); SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill);
Destination += SizeInBytes & ~3;
SizeInBytes &= 3; SizeInBytes &= 3;
} }
if (SizeInBytes > 0) { if (SizeInBytes > 0) {
@ -297,6 +298,7 @@ FrameBufferBltLibVideoFill (
SizeInBytes = WidthInBytes; SizeInBytes = WidthInBytes;
if (SizeInBytes >= 8) { if (SizeInBytes >= 8) {
SetMem64 (Destination, SizeInBytes & ~7, WideFill); SetMem64 (Destination, SizeInBytes & ~7, WideFill);
Destination += SizeInBytes & ~7;
SizeInBytes &= 7; SizeInBytes &= 7;
} }
if (SizeInBytes > 0) { if (SizeInBytes > 0) {