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author | Song, BinX <binx.song@intel.com> | 2017-12-13 10:35:15 +0800 |
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committer | Eric Dong <eric.dong@intel.com> | 2017-12-13 16:40:25 +0800 |
commit | 5c59537c1092a1372913274636a8d766fdd97e61 (patch) | |
tree | 2e5ea5e5b8e802c34ca28f291d5d9ad8585433ce /UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h | |
parent | 8a5ef41ebb3dded5e9578ff4b716b87416b9c95f (diff) | |
download | edk2-5c59537c1092a1372913274636a8d766fdd97e61.tar.gz edk2-5c59537c1092a1372913274636a8d766fdd97e61.tar.bz2 edk2-5c59537c1092a1372913274636a8d766fdd97e61.zip |
UefiCpuPkg: Check invalid RegisterCpuFeature parameter
V2:
Update function name, add more detail description.
V1:
Check and assert invalid RegisterCpuFeature function parameter
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bell Song <binx.song@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Diffstat (limited to 'UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h')
-rw-r--r-- | UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h b/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h index 9331e49d13..fc3ccda1ba 100644 --- a/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h +++ b/UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h @@ -71,6 +71,11 @@ #define CPU_FEATURE_APIC_TPR_UPDATE_MESSAGE (32+9)
#define CPU_FEATURE_ENERGY_PERFORMANCE_BIAS (32+10)
#define CPU_FEATURE_PPIN (32+11)
+//
+// Currently, CPU_FEATURE_PROC_TRACE is the MAX feature we support.
+// If you define a feature bigger than it, please also replace it
+// in RegisterCpuFeatureLibIsFeatureValid function.
+//
#define CPU_FEATURE_PROC_TRACE (32+12)
#define CPU_FEATURE_BEFORE_ALL BIT27
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