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| author | Michael Kinney <michael.d.kinney@intel.com> | 2015-04-27 19:54:52 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@Edk2> | 2015-04-27 19:54:52 +0000 |
| commit | 087c67d0a0847f61b70fa565361ff88fe80e46e5 (patch) | |
| tree | 5e7b4a2fa22862d31c1b41770c6c7bfdc8b59c4a /IntelFspPkg | |
| parent | 5f72e68c9067ae5b8cfa7c935db81002cb22e00f (diff) | |
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 <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17221 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspPkg')
0 files changed, 0 insertions, 0 deletions