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UefiCpuPkg: Enable Processor Trace feature.

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Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Eric Dong
2017-08-04 09:59:08 +08:00
parent a7e2a25377
commit bc2300577f
4 changed files with 543 additions and 1 deletions
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66
UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h
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@@ -961,4 +961,70 @@ LmceInitialize (
IN BOOLEAN State
);
/**
Prepares for the data used by CPU feature detection and initialization.
@param[in] NumberOfProcessors The number of CPUs in the platform.
@return Pointer to a buffer of CPU related configuration data.
@note This service could be called by BSP only.
**/
VOID *
EFIAPI
ProcTraceGetConfigData (
IN UINTN NumberOfProcessors
);
/**
Detects if Intel Processor Trace feature supported on current processor.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
structure for the CPU executing this function.
@param[in] ConfigData A pointer to the configuration buffer returned
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@retval TRUE Processor Trace feature is supported.
@retval FALSE Processor Trace feature is not supported.
@note This service could be called by BSP/APs.
**/
BOOLEAN
EFIAPI
ProcTraceSupport (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData OPTIONAL
);
/**
Initializes Intel Processor Trace feature to specific state.
@param[in] ProcessorNumber The index of the CPU executing this function.
@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
structure for the CPU executing this function.
@param[in] ConfigData A pointer to the configuration buffer returned
by CPU_FEATURE_GET_CONFIG_DATA. NULL if
CPU_FEATURE_GET_CONFIG_DATA was not provided in
RegisterCpuFeature().
@param[in] State If TRUE, then the Processor Trace feature must be
enabled.
If FALSE, then the Processor Trace feature must be
disabled.
@retval RETURN_SUCCESS Intel Processor Trace feature is initialized.
**/
RETURN_STATUS
EFIAPI
ProcTraceInitialize (
IN UINTN ProcessorNumber,
IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
IN VOID *ConfigData, OPTIONAL
IN BOOLEAN State
);
#endif