ShellPkg: Fix calls to SimpleTextOut->SetAttribute to not use reserved bits

As the shell inverts foreground and background it needs to be sure that it properly masks off the reserved bits and this is important since the foreground and background are not the same numbers of bits.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <Jaben.carsey@intel.com>
Reviewed-by: Tapan Shah <tapandshah@hp.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15681 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 2 insertions, 2 deletions

diff --git a/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c b/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c
index 8cb1aedf43..96028e4fc4 100644
--- a/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c
+++ b/ShellPkg/Library/UefiShellLevel3CommandsLib/Cls.c
@@ -1,7 +1,7 @@
 /** @file

   Main file for attrib shell level 2 function.

 

-  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>

+  Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved. <BR>

   This program and the accompanying materials

   are licensed and made available under the terms and conditions of the BSD License

   which accompanies this distribution.  The full text of the license may be found at

@@ -111,7 +111,7 @@ ShellCommandRunCls (
               break;

           }

           ForeColor = (~ShellStrToUintn(Param1)) & 0xF;

-          Status = gST->ConOut->SetAttribute (gST->ConOut, ForeColor | Background);

+          Status = gST->ConOut->SetAttribute (gST->ConOut, (ForeColor | Background) & 0x7F );

           ASSERT_EFI_ERROR(Status);

           Status = gST->ConOut->ClearScreen (gST->ConOut);

           ASSERT_EFI_ERROR(Status);