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UefiCpuPkg RegisterCpuFeaturesLib: Add error handling code. 

Add error handling code when initialize the CPU feature failed.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Eric Dong 2017-07-11 10:06:56 +08:00
parent e508e069a8
commit 05973f9e8a
1 changed files with 46 additions and 1 deletions
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47
UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
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@ -234,6 +234,31 @@ SupportedMaskAnd (
} }
} }
/**
Worker function to clean bit operation on CPU feature supported bits mask buffer.
@param[in] SupportedFeatureMask The pointer to CPU feature bits mask buffer
@param[in] AndFeatureBitMask The feature bit mask to do XOR operation
**/
VOID
SupportedMaskCleanBit (
IN UINT8 *SupportedFeatureMask,
IN UINT8 *AndFeatureBitMask
)
{
UINTN Index;
UINTN BitMaskSize;
UINT8 *Data1;
UINT8 *Data2;
BitMaskSize = PcdGetSize (PcdCpuFeaturesSupport);
Data1 = SupportedFeatureMask;
Data2 = AndFeatureBitMask;
for (Index = 0; Index < BitMaskSize; Index++) {
*(Data1++) &= ~(*(Data2++));
}
}
/** /**
Worker function to check if the compared CPU feature set in the CPU feature Worker function to check if the compared CPU feature set in the CPU feature
supported bits mask buffer. supported bits mask buffer.
@ -497,12 +522,32 @@ AnalysisProcessorFeatures (
CpuFeatureInOrder = CPU_FEATURE_ENTRY_FROM_LINK (Entry); CpuFeatureInOrder = CPU_FEATURE_ENTRY_FROM_LINK (Entry);
if (IsBitMaskMatch (CpuFeatureInOrder->FeatureMask, CpuFeaturesData->SettingPcds)) { if (IsBitMaskMatch (CpuFeatureInOrder->FeatureMask, CpuFeaturesData->SettingPcds)) {
Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, TRUE); Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, TRUE);
if (EFI_ERROR (Status)) {
//
// Clean the CpuFeatureInOrder->FeatureMask in setting PCD.
//
SupportedMaskCleanBit (CpuFeaturesData->SettingPcds, CpuFeatureInOrder->FeatureMask);
if (CpuFeatureInOrder->FeatureName != NULL) {
DEBUG ((DEBUG_WARN, "Warning :: Failed to enable Feature Name = %a.\n", CpuFeatureInOrder->FeatureName));
} else {
DEBUG ((DEBUG_WARN, "Warning :: Failed to enable Feature Mask = "));
DumpCpuFeatureMask (CpuFeatureInOrder->FeatureMask);
}
}
} else { } else {
Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, FALSE); Status = CpuFeatureInOrder->InitializeFunc (ProcessorNumber, CpuInfo, CpuFeatureInOrder->ConfigData, FALSE);
}
ASSERT_EFI_ERROR (Status); ASSERT_EFI_ERROR (Status);
}
Entry = Entry->ForwardLink; Entry = Entry->ForwardLink;
} }
//
// Dump PcdCpuFeaturesSetting again because this value maybe updated
// again during initialize the features.
//
DEBUG ((DEBUG_INFO, "Dump final value for PcdCpuFeaturesSetting:\n"));
DumpCpuFeatureMask (CpuFeaturesData->SettingPcds);
// //
// Dump the RegisterTable // Dump the RegisterTable
// //