C1e.c File Reference

#include "CpuCommonFeatures.h"

Go to the source code of this file.

Functions
BOOLEAN EFIAPI	C1eSupport (IN UINTN ProcessorNumber, IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo, IN VOID *ConfigData OPTIONAL)
RETURN_STATUS EFIAPI	C1eInitialize (IN UINTN ProcessorNumber, IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo, IN VOID *ConfigData OPTIONAL, IN BOOLEAN State)

Detailed Description

C1E feature.

Copyright (c) 2017, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file C1e.c.

Function Documentation

C1eInitialize()

RETURN_STATUS EFIAPI C1eInitialize	(	IN UINTN	ProcessorNumber,
		IN REGISTER_CPU_FEATURE_INFORMATION *	CpuInfo,
		IN VOID *ConfigData	OPTIONAL,
		IN BOOLEAN	State
	)

Initializes C1E feature to specific state.

Parameters

[in]	ProcessorNumber	The index of the CPU executing this function.
[in]	CpuInfo	A pointer to the REGISTER_CPU_FEATURE_INFORMATION structure for the CPU executing this function.
[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().
[in]	State	If TRUE, then the C1E feature must be enabled. If FALSE, then the C1E feature must be disabled.

Return values

RETURN_SUCCESS

C1E feature is initialized.

Note

This service could be called by BSP only.

Definition at line 57 of file C1e.c.

C1eSupport()

BOOLEAN EFIAPI C1eSupport	(	IN UINTN	ProcessorNumber,
		IN REGISTER_CPU_FEATURE_INFORMATION *	CpuInfo,
		IN VOID *ConfigData	OPTIONAL
	)

Detects if C1E feature supported on current processor.

Parameters

[in]	ProcessorNumber	The index of the CPU executing this function.
[in]	CpuInfo	A pointer to the REGISTER_CPU_FEATURE_INFORMATION structure for the CPU executing this function.
[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().

Return values

TRUE	C1E feature is supported.
FALSE	C1E feature is not supported.

Note

This service could be called by BSP/APs.

Definition at line 29 of file C1e.c.