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MdeModulePkg:Clear the screen before booting the boot option 

When do UiApp remodeling task,miss clearing the screen before booting
the selected boot option,so cause some behaviors change.Now add the code
to fix this issue.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19441 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Dandan Bi 2015-12-22 09:37:33 +00:00 committed by dandanbi
parent 0034796f6c
commit 1b43162d70
1 changed files with 7 additions and 0 deletions
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7
MdeModulePkg/Library/BootManagerLib/BootManager.c
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@ -705,6 +705,13 @@ BootManagerCallback (
}
BootOption = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
//
// Clear the screen before.
//
gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
gST->ConOut->ClearScreen (gST->ConOut);
//
// parse the selected option
//