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MdeModulePkg/FrameBufferBltLib: Fix copying of unaligned memory

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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>
(cherry picked from commit 0e58b55a46)
This commit is contained in:
Ruiyu Ni
2018-01-15 11:44:38 +08:00
parent a6f4c90a05
commit ce45421cb6
1 changed files with 2 additions and 0 deletions
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MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
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@ -280,6 +280,7 @@ FrameBufferBltLibVideoFill (
SizeInBytes = WidthInBytes * Height;
if (SizeInBytes >= 8) {
SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill);
Destination += SizeInBytes & ~3;
SizeInBytes &= 3;
}
if (SizeInBytes > 0) {
@ -297,6 +298,7 @@ FrameBufferBltLibVideoFill (
SizeInBytes = WidthInBytes;
if (SizeInBytes >= 8) {
SetMem64 (Destination, SizeInBytes & ~7, WideFill);
Destination += SizeInBytes & ~7;
SizeInBytes &= 7;
}
if (SizeInBytes > 0) {