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SourceLevelDebugPkg/DebugAgent: Support IA32 processors without DE or FXSAVE/FXRESTOR

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Use CPUID Leaf 01 to detect support for debug extensions and FXSAVE/FXRESTOR instructions.
Do not enable those features in CR4 if they are not supported.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17220 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Michael Kinney
2015-04-27 19:53:36 +00:00
committed by mdkinney
parent ef530fe71f
commit 5f72e68c90
7 changed files with 71 additions and 14 deletions
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4
SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgentLib.inf
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@@ -1,7 +1,7 @@
## @file
# Debug Agent library instance for Dxe Core and Dxe modules.
#
# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2010 - 2015, 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
@@ -19,7 +19,7 @@
MODULE_UNI_FILE = DxeDebugAgentLib.uni
FILE_GUID = BA6BAD25-B814-4747-B0B0-0FBB61D40B90
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 0.7
VERSION_STRING = 0.8
LIBRARY_CLASS = DebugAgentLib|DXE_CORE DXE_DRIVER
CONSTRUCTOR = DxeDebugAgentLibConstructor