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| author | Eric Dong <eric.dong@intel.com> | 2017-08-04 09:59:08 +0800 |
|---|---|---|
| committer | Eric Dong <eric.dong@intel.com> | 2017-08-04 12:26:44 +0800 |
| commit | bc2300577ffddcdf5b4b015f252f8357663217a7 (patch) | |
| tree | f191dff1da648a26bcb808e8957db1af47f6f037 /UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h | |
| parent | a7e2a25377cd628a20eda370971d5555c2da1338 (diff) | |
| download | edk2-bc2300577ffddcdf5b4b015f252f8357663217a7.tar.gz edk2-bc2300577ffddcdf5b4b015f252f8357663217a7.tar.bz2 edk2-bc2300577ffddcdf5b4b015f252f8357663217a7.zip | |
UefiCpuPkg: Enable Processor Trace feature.
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>
Diffstat (limited to 'UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h')
| -rw-r--r-- | UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h index b8269b00f3..d04e2142e3 100644 --- a/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h +++ b/UefiCpuPkg/Library/CpuCommonFeaturesLib/CpuCommonFeatures.h @@ -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
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