MdeModulePkg DxeIpl: Add stack NX support
This feature is added for UEFI spec that says "Stack may be marked as non-executable in identity mapped page tables". A PCD PcdSetNxForStack is added to turn on/off this feature, and it is FALSE by default. Cc: Jiewen Yao <jiewen.yao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: "Yao, Jiewen" <Jiewen.yao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18166 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -5,7 +5,7 @@
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# PPI to discover and dispatch the DXE Foundation and components that are
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# needed to run the DXE Foundation.
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#
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# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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@@ -104,6 +104,7 @@
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[Pcd.IA32,Pcd.X64]
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gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack ## SOMETIMES_CONSUMES
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[Depex]
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gEfiPeiMemoryDiscoveredPpiGuid AND gEfiPeiLoadFilePpiGuid AND gEfiPeiMasterBootModePpiGuid
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