REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the UefiCpuPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
		
			
				
	
	
		
			350 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			350 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Machine Check features.
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| 
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|   Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
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|   SPDX-License-Identifier: BSD-2-Clause-Patent
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| 
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| **/
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| 
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| #include "CpuCommonFeatures.h"
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| 
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| /**
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|   Detects if Machine Check Exception feature supported on current processor.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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| 
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|   @retval TRUE     Machine Check Exception feature is supported.
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|   @retval FALSE    Machine Check Exception feature is not supported.
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| 
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|   @note This service could be called by BSP/APs.
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| **/
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| BOOLEAN
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| EFIAPI
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| MceSupport (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData  OPTIONAL
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|   )
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| {
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|   return (CpuInfo->CpuIdVersionInfoEdx.Bits.MCE == 1);
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| }
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| 
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| /**
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|   Initializes Machine Check Exception feature to specific state.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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|   @param[in]  State            If TRUE, then the Machine Check Exception feature must be enabled.
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|                                If FALSE, then the Machine Check Exception feature must be disabled.
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| 
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|   @retval RETURN_SUCCESS       Machine Check Exception feature is initialized.
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| 
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|   @note This service could be called by BSP only.
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| **/
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| RETURN_STATUS
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| EFIAPI
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| MceInitialize (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData   OPTIONAL,
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|   IN BOOLEAN                           State
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|   )
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| {
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|   //
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|   // Set MCE bit in CR4
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|   //
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|   CPU_REGISTER_TABLE_WRITE_FIELD (
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|     ProcessorNumber,
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|     ControlRegister,
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|     4,
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|     IA32_CR4,
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|     Bits.MCE,
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|     (State) ? 1 : 0
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|     );
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|   return RETURN_SUCCESS;
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| }
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| 
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| /**
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|   Detects if Machine Check Architecture feature supported on current processor.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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| 
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|   @retval TRUE     Machine Check Architecture feature is supported.
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|   @retval FALSE    Machine Check Architecture feature is not supported.
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| 
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|   @note This service could be called by BSP/APs.
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| **/
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| BOOLEAN
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| EFIAPI
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| McaSupport (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData  OPTIONAL
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|   )
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| {
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|   if (!MceSupport (ProcessorNumber, CpuInfo, ConfigData)) {
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|     return FALSE;
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|   }
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| 
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|   return (CpuInfo->CpuIdVersionInfoEdx.Bits.MCA == 1);
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| }
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| 
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| /**
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|   Initializes Machine Check Architecture feature to specific state.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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|   @param[in]  State            If TRUE, then the Machine Check Architecture feature must be enabled.
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|                                If FALSE, then the Machine Check Architecture feature must be disabled.
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| 
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|   @retval RETURN_SUCCESS       Machine Check Architecture feature is initialized.
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| 
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|   @note This service could be called by BSP only.
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| **/
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| RETURN_STATUS
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| EFIAPI
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| McaInitialize (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData   OPTIONAL,
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|   IN BOOLEAN                           State
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|   )
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| {
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|   MSR_IA32_MCG_CAP_REGISTER  McgCap;
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|   UINT32                     BankIndex;
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| 
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|   //
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|   // The scope of MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS is core for below processor type, only program
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|   // MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS for thread 0 in each core.
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|   //
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|   if (IS_ATOM_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_SANDY_BRIDGE_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_SKYLAKE_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_XEON_PHI_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_PENTIUM_4_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_CORE_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))
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|   {
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|     if (CpuInfo->ProcessorInfo.Location.Thread != 0) {
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|       return RETURN_SUCCESS;
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|     }
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|   }
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| 
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|   //
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|   // The scope of MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS is package for below processor type, only program
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|   // MSR_IA32_MC*_CTL/MSR_IA32_MC*_STATUS once for each package.
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|   //
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|   if (IS_NEHALEM_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel)) {
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|     if ((CpuInfo->First.Thread == 0) || (CpuInfo->First.Core == 0)) {
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|       return RETURN_SUCCESS;
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|     }
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|   }
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| 
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|   if (State) {
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|     McgCap.Uint64 = AsmReadMsr64 (MSR_IA32_MCG_CAP);
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|     for (BankIndex = 0; BankIndex < (UINT32)McgCap.Bits.Count; BankIndex++) {
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|       CPU_REGISTER_TABLE_WRITE64 (
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|         ProcessorNumber,
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|         Msr,
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|         MSR_IA32_MC0_CTL + BankIndex * 4,
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|         MAX_UINT64
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|         );
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|     }
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| 
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|     if (PcdGetBool (PcdIsPowerOnReset)) {
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|       for (BankIndex = 0; BankIndex < (UINTN)McgCap.Bits.Count; BankIndex++) {
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|         CPU_REGISTER_TABLE_WRITE64 (
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|           ProcessorNumber,
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|           Msr,
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|           MSR_IA32_MC0_STATUS + BankIndex * 4,
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|           0
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|           );
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|       }
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|     }
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|   }
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| 
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|   return RETURN_SUCCESS;
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| }
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| 
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| /**
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|   Detects if IA32_MCG_CTL feature supported on current processor.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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| 
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|   @retval TRUE     IA32_MCG_CTL feature is supported.
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|   @retval FALSE    IA32_MCG_CTL feature is not supported.
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| 
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|   @note This service could be called by BSP/APs.
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| **/
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| BOOLEAN
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| EFIAPI
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| McgCtlSupport (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData  OPTIONAL
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|   )
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| {
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|   MSR_IA32_MCG_CAP_REGISTER  McgCap;
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| 
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|   if (!McaSupport (ProcessorNumber, CpuInfo, ConfigData)) {
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|     return FALSE;
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|   }
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| 
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|   McgCap.Uint64 = AsmReadMsr64 (MSR_IA32_MCG_CAP);
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|   return (McgCap.Bits.MCG_CTL_P == 1);
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| }
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| 
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| /**
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|   Initializes IA32_MCG_CTL feature to specific state.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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|   @param[in]  State            If TRUE, then the IA32_MCG_CTL feature must be enabled.
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|                                If FALSE, then the IA32_MCG_CTL feature must be disabled.
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| 
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|   @retval RETURN_SUCCESS       IA32_MCG_CTL feature is initialized.
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| 
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|   @note This service could be called by BSP only.
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| **/
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| RETURN_STATUS
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| EFIAPI
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| McgCtlInitialize (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData   OPTIONAL,
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|   IN BOOLEAN                           State
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|   )
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| {
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|   CPU_REGISTER_TABLE_WRITE64 (
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|     ProcessorNumber,
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|     Msr,
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|     MSR_IA32_MCG_CTL,
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|     (State) ? MAX_UINT64 : 0
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|     );
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|   return RETURN_SUCCESS;
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| }
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| 
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| /**
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|   Detects if Local machine check exception feature supported on current
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|   processor.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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| 
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|   @retval TRUE     Local machine check exception feature is supported.
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|   @retval FALSE    Local machine check exception feature is not supported.
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| 
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|   @note This service could be called by BSP/APs.
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| **/
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| BOOLEAN
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| EFIAPI
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| LmceSupport (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData  OPTIONAL
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|   )
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| {
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|   MSR_IA32_MCG_CAP_REGISTER  McgCap;
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| 
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|   if (!McaSupport (ProcessorNumber, CpuInfo, ConfigData)) {
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|     return FALSE;
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|   }
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| 
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|   McgCap.Uint64 = AsmReadMsr64 (MSR_IA32_MCG_CAP);
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|   if (ProcessorNumber == 0) {
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|     DEBUG ((DEBUG_INFO, "LMCE enable = %x\n", (BOOLEAN)(McgCap.Bits.MCG_LMCE_P != 0)));
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|   }
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| 
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|   return (BOOLEAN)(McgCap.Bits.MCG_LMCE_P != 0);
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| }
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| 
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| /**
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|   Initializes Local machine check exception feature to specific state.
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| 
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|   @param[in]  ProcessorNumber  The index of the CPU executing this function.
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|   @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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|                                structure for the CPU executing this function.
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|   @param[in]  ConfigData       A pointer to the configuration buffer returned
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|                                by CPU_FEATURE_GET_CONFIG_DATA.  NULL if
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|                                CPU_FEATURE_GET_CONFIG_DATA was not provided in
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|                                RegisterCpuFeature().
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|   @param[in]  State            If TRUE, then the Local machine check exception
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|                                feature must be enabled.
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|                                If FALSE, then the Local machine check exception
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|                                feature must be disabled.
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| 
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|   @retval RETURN_SUCCESS       Local machine check exception feature is initialized.
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| 
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| **/
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| RETURN_STATUS
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| EFIAPI
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| LmceInitialize (
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|   IN UINTN                             ProcessorNumber,
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|   IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,
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|   IN VOID                              *ConfigData   OPTIONAL,
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|   IN BOOLEAN                           State
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|   )
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| {
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|   //
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|   // The scope of LcmeOn bit in the MSR_IA32_MISC_ENABLE is core for below processor type, only program
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|   // MSR_IA32_MISC_ENABLE for thread 0 in each core.
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|   //
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|   if (IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||
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|       IS_PENTIUM_4_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))
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|   {
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|     if (CpuInfo->ProcessorInfo.Location.Thread != 0) {
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|       return RETURN_SUCCESS;
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|     }
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|   }
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| 
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|   CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (
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|     ProcessorNumber,
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|     Msr,
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|     MSR_IA32_FEATURE_CONTROL,
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|     MSR_IA32_FEATURE_CONTROL_REGISTER,
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|     Bits.LmceOn,
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|     (State) ? 1 : 0
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|     );
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| 
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|   return RETURN_SUCCESS;
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| }
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