SmbiosProcessorArmCommon.c File Reference

#include <Uefi.h>
#include <IndustryStandard/ArmCache.h>
#include <IndustryStandard/ArmStdSmc.h>
#include <IndustryStandard/SmBios.h>
#include <Library/ArmLib.h>
#include <Library/ArmSmcLib.h>
#include <Library/BaseMemoryLib.h>
#include "SmbiosProcessor.h"

Go to the source code of this file.

Functions
UINT8	SmbiosProcessorGetMaxCacheLevel (VOID)
BOOLEAN	SmbiosProcessorHasSeparateCaches (UINT8 CacheLevel)
BOOLEAN	HasSmcArm64SocId (VOID)
EFI_STATUS	SmbiosGetSmcArm64SocId (OUT INT32 *Jep106Code, OUT INT32 *SocRevision)
UINT64	SmbiosGetProcessorId (VOID)
UINTN	SmbiosGetExternalClockFrequency (VOID)
UINT8	SmbiosGetProcessorFamily (VOID)
UINT16	SmbiosGetProcessorFamily2 (VOID)
PROCESSOR_CHARACTERISTIC_FLAGS	SmbiosGetProcessorCharacteristics (VOID)

Detailed Description

Functions for processor information common to ARM and AARCH64.

Copyright (c) 2021, NUVIA Inc. All rights reserved.
Copyright (c) 2021 - 2022, Ampere Computing LLC. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SmbiosProcessorArmCommon.c.

Function Documentation

HasSmcArm64SocId()

BOOLEAN HasSmcArm64SocId

(

VOID

)

Checks if ther ARM64 SoC ID SMC call is supported

Returns

Whether the ARM64 SoC ID call is supported.

Definition at line 87 of file SmbiosProcessorArmCommon.c.

SmbiosGetExternalClockFrequency()

UINTN SmbiosGetExternalClockFrequency

(

VOID

)

Returns the external clock frequency.

Returns

The external clock frequency.

Definition at line 180 of file SmbiosProcessorArmCommon.c.

SmbiosGetProcessorCharacteristics()

PROCESSOR_CHARACTERISTIC_FLAGS SmbiosGetProcessorCharacteristics

(

VOID

)

Returns the SMBIOS Processor Characteristics.

Returns

Processor Characteristics bitfield.

Definition at line 231 of file SmbiosProcessorArmCommon.c.

SmbiosGetProcessorFamily()

UINT8 SmbiosGetProcessorFamily

(

VOID

)

Returns the SMBIOS ProcessorFamily field value.

Returns

The value for the ProcessorFamily field.

Definition at line 192 of file SmbiosProcessorArmCommon.c.

SmbiosGetProcessorFamily2()

UINT16 SmbiosGetProcessorFamily2

(

VOID

)

Returns the ProcessorFamily2 field value.

Returns

The value for the ProcessorFamily2 field.

Definition at line 204 of file SmbiosProcessorArmCommon.c.

SmbiosGetProcessorId()

UINT64 SmbiosGetProcessorId

(

VOID

)

Returns a value for the Processor ID field that conforms to SMBIOS requirements.

Returns

Processor ID.

Definition at line 157 of file SmbiosProcessorArmCommon.c.

SmbiosGetSmcArm64SocId()

EFI_STATUS SmbiosGetSmcArm64SocId	(	OUT INT32 *	Jep106Code,
		OUT INT32 *	SocRevision
	)

Fetches the JEP106 code and SoC Revision.

Parameters

Jep106Code	JEP 106 code.
SocRevision	SoC revision.

Return values

EFI_SUCCESS	Succeeded.
EFI_UNSUPPORTED	Failed.

Definition at line 119 of file SmbiosProcessorArmCommon.c.

SmbiosProcessorGetMaxCacheLevel()

UINT8 SmbiosProcessorGetMaxCacheLevel

(

VOID

)

Returns the maximum cache level implemented by the current CPU.

Returns

The maximum cache level implemented.

Definition at line 26 of file SmbiosProcessorArmCommon.c.

SmbiosProcessorHasSeparateCaches()

BOOLEAN SmbiosProcessorHasSeparateCaches

(

UINT8

CacheLevel

)

Returns whether or not the specified cache level has separate I/D caches.

Parameters

CacheLevel

The cache level (L1, L2 etc.).

Returns

TRUE if the cache level has separate I/D caches, FALSE otherwise.

Definition at line 61 of file SmbiosProcessorArmCommon.c.