From: Michael Kinney Date: Mon, 27 Apr 2015 19:54:52 +0000 (+0000) Subject: UefiCpuPkg/CpuExceptionHandlerLib: Support IA32 processors without DE or FXSAVE/FXRESTOR X-Git-Tag: edk2-stable201903~9993 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=087c67d0a0847f61b70fa565361ff88fe80e46e5;hp=087c67d0a0847f61b70fa565361ff88fe80e46e5;p=mirror_edk2.git UefiCpuPkg/CpuExceptionHandlerLib: Support IA32 processors without DE or FXSAVE/FXRESTOR 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 Reviewed-by: Jordan Justen Reviewed-by: Jeff Fan git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17221 6f19259b-4bc3-4df7-8a09-765794883524 ---