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Revert "UefiCpuPkg: Check invalid RegisterCpuFeature parameter"

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This reverts commit 5c59537c1092a1372913274636a8d766fdd97e61.

Current code already has function IsCpuFeatureSupported to do
the feature validation, not need this check logic anymore.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Bell Song <binx.song@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Eric Dong 2017-12-21 19:46:51 +08:00
parent 726c501c2c
commit 8766d3a3e8
2 changed files with 0 additions and 34 deletions
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5
UefiCpuPkg/Include/Library/RegisterCpuFeaturesLib.h
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@ -71,11 +71,6 @@
#define CPU_FEATURE_APIC_TPR_UPDATE_MESSAGE (32+9) #define CPU_FEATURE_APIC_TPR_UPDATE_MESSAGE (32+9)
#define CPU_FEATURE_ENERGY_PERFORMANCE_BIAS (32+10) #define CPU_FEATURE_ENERGY_PERFORMANCE_BIAS (32+10)
#define CPU_FEATURE_PPIN (32+11) #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_PROC_TRACE (32+12)
#define CPU_FEATURE_BEFORE_ALL BIT27 #define CPU_FEATURE_BEFORE_ALL BIT27

29
UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeaturesLib.c
View File

@ -80,34 +80,6 @@ DumpCpuFeature (
} }
} }
/**
Determines if the CPU feature is valid.
@param[in] Feature Pointer to CPU feature
@retval TRUE The CPU feature is valid.
@retval FALSE The CPU feature is invalid.
**/
BOOLEAN
RegisterCpuFeatureLibIsFeatureValid (
IN UINT32 Feature
)
{
UINT32 Data;
Data = Feature;
Data &= ~(CPU_FEATURE_BEFORE | CPU_FEATURE_AFTER | CPU_FEATURE_BEFORE_ALL | CPU_FEATURE_AFTER_ALL);
//
// Currently, CPU_FEATURE_PROC_TRACE is the MAX feature we support.
// If you define a feature bigger than it, please replace it at below.
//
if (Data > CPU_FEATURE_PROC_TRACE) {
DEBUG ((DEBUG_ERROR, "Invalid CPU feature: 0x%x ", Feature));
return FALSE;
}
return TRUE;
}
/** /**
Determines if the feature bit mask is in dependent CPU feature bit mask buffer. Determines if the feature bit mask is in dependent CPU feature bit mask buffer.
@ -472,7 +444,6 @@ RegisterCpuFeature (
VA_START (Marker, InitializeFunc); VA_START (Marker, InitializeFunc);
Feature = VA_ARG (Marker, UINT32); Feature = VA_ARG (Marker, UINT32);
ASSERT (RegisterCpuFeatureLibIsFeatureValid(Feature));
while (Feature != CPU_FEATURE_END) { while (Feature != CPU_FEATURE_END) {
ASSERT ((Feature & (CPU_FEATURE_BEFORE | CPU_FEATURE_AFTER)) ASSERT ((Feature & (CPU_FEATURE_BEFORE | CPU_FEATURE_AFTER))
!= (CPU_FEATURE_BEFORE | CPU_FEATURE_AFTER)); != (CPU_FEATURE_BEFORE | CPU_FEATURE_AFTER));