AArch64Lib.c File Reference

#include <Base.h>
#include <Library/ArmLib.h>
#include <Library/DebugLib.h>
#include <AArch64/AArch64.h>
#include "AArch64Lib.h"
#include "ArmLibPrivate.h"

Go to the source code of this file.

Functions
BOOLEAN EFIAPI	ArmHasGicSystemRegisters (VOID)
BOOLEAN EFIAPI	ArmHasGicV5SystemRegisters (VOID)
BOOLEAN EFIAPI	ArmHasCcidx (VOID)
BOOLEAN EFIAPI	ArmHasVhe (VOID)
BOOLEAN EFIAPI	ArmHasTrbe (VOID)
BOOLEAN EFIAPI	ArmHasEte (VOID)
BOOLEAN EFIAPI	ArmHas52BitTgran4 (VOID)

Detailed Description

Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
Portions copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.
Copyright (c) 2021, NUVIA Inc. All rights reserved.

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

Definition in file AArch64Lib.c.

Function Documentation

ArmHas52BitTgran4()

BOOLEAN EFIAPI ArmHas52BitTgran4

(

VOID

)

Checks whether the CPU supports 52-bit addressing with 4KiB translation granule size

Return values

TRUE	52-bit addressing is implemented.
FALSE	52-bit addressing is not implemented.

Definition at line 122 of file AArch64Lib.c.

ArmHasCcidx()

BOOLEAN EFIAPI ArmHasCcidx

(

VOID

)

Checks if CCIDX is implemented.

Return values

TRUE	CCIDX is implemented.
FALSE	CCIDX is not implemented.

Definition at line 57 of file AArch64Lib.c.

ArmHasEte()

BOOLEAN EFIAPI ArmHasEte

(

VOID

)

Checks whether the CPU implements the Embedded Trace Extension.

Return values

TRUE	FEAT_ETE is implemented.
FALSE	FEAT_ETE is not implemented.

Definition at line 105 of file AArch64Lib.c.

ArmHasGicSystemRegisters()

BOOLEAN EFIAPI ArmHasGicSystemRegisters

(

VOID

)

Check whether the CPU supports the GIC system register interface (any version)

Returns

Whether GIC System Register Interface is supported

Definition at line 29 of file AArch64Lib.c.

ArmHasGicV5SystemRegisters()

BOOLEAN EFIAPI ArmHasGicV5SystemRegisters

(

VOID

)

Check whether the CPU supports the GICv5 system register interface

Returns

Whether GICv5 System Register Interface is supported

Definition at line 43 of file AArch64Lib.c.

ArmHasTrbe()

BOOLEAN EFIAPI ArmHasTrbe

(

VOID

)

Checks whether the CPU implements the Trace Buffer Extension.

Return values

TRUE	FEAT_TRBE is implemented.
FALSE	FEAT_TRBE is not implemented.

Definition at line 90 of file AArch64Lib.c.

ArmHasVhe()

BOOLEAN EFIAPI ArmHasVhe

(

VOID

)

Checks whether the CPU implements the Virtualization Host Extensions.

Return values

TRUE	FEAT_VHE is implemented.
FALSE	FEAT_VHE is not implemented.

Definition at line 75 of file AArch64Lib.c.