ArmFadtGenerator.c File Reference

#include <Library/AcpiLib.h>
#include <Library/DebugLib.h>
#include <Protocol/AcpiTable.h>
#include <AcpiTableGenerator.h>
#include <ConfigurationManagerObject.h>
#include <ConfigurationManagerHelper.h>
#include <Library/TableHelperLib.h>
#include <Protocol/ConfigurationManagerProtocol.h>
#include "FadtGenerator.h"

Go to the source code of this file.

Macros
#define	FADT_FLAGS

Functions
	GET_OBJECT_LIST (EObjNameSpaceArm, EArmObjBootArchInfo, CM_ARM_BOOT_ARCH_INFO)
STATIC EFI_STATUS EFIAPI	ArmFadtBootArchInfoUpdate (IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol, IN OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE *Fadt)
EFI_STATUS EFIAPI	FadtArchUpdate (IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST CfgMgrProtocol, IN OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE *Fadt)

Detailed Description

ARM FADT Table Helpers

Copyright (c) 2017 - 2023, Arm Limited. All rights reserved. SPDX-License-Identifier: BSD-2-Clause-Patent

Reference(s):

• ACPI 6.5 Specification, Aug 29, 2022

Definition in file ArmFadtGenerator.c.

Macro Definition Documentation

FADT_FLAGS

#define FADT_FLAGS

Value:

                     (EFI_ACPI_6_5_HW_REDUCED_ACPI |          \
                     EFI_ACPI_6_5_LOW_POWER_S0_IDLE_CAPABLE)

This macro defines the FADT flag options for ARM Platforms.

Definition at line 43 of file ArmFadtGenerator.c.

Function Documentation

ArmFadtBootArchInfoUpdate()

STATIC EFI_STATUS EFIAPI ArmFadtBootArchInfoUpdate	(	IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST	CfgMgrProtocol,
		IN OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE *	Fadt
	)

Updates the Architecture specific information in the FADT Table.

Parameters

[in]	CfgMgrProtocol	Pointer to the Configuration Manager Protocol Interface.
[in,out]	Fadt	Pointer to the constructed ACPI Table.

Return values

EFI_SUCCESS	Success.
EFI_INVALID_PARAMETER	A parameter is invalid.
EFI_NOT_FOUND	The required object was not found.
EFI_BAD_BUFFER_SIZE	The size returned by the Configuration Manager is less than the Object size for the requested object.

Definition at line 62 of file ArmFadtGenerator.c.

FadtArchUpdate()

EFI_STATUS EFIAPI FadtArchUpdate	(	IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL *CONST	CfgMgrProtocol,
		IN OUT EFI_ACPI_6_5_FIXED_ACPI_DESCRIPTION_TABLE *	Fadt
	)

Updates the Architecture specific information in the FADT Table.

Parameters

[in]	CfgMgrProtocol	Pointer to the Configuration Manager Protocol Interface.
[in,out]	Fadt	Pointer to the constructed ACPI Table.

Return values

EFI_SUCCESS	Success.
EFI_INVALID_PARAMETER	A parameter is invalid.
EFI_NOT_FOUND	The required object was not found.
EFI_BAD_BUFFER_SIZE	The size returned by the Configuration Manager is less than the Object size for the requested object.

Definition at line 115 of file ArmFadtGenerator.c.

GET_OBJECT_LIST()

GET_OBJECT_LIST	(	EObjNameSpaceArm	,
		EArmObjBootArchInfo	,
		CM_ARM_BOOT_ARCH_INFO
	)

ARM Standard FADT Generator

Requirements: The following Configuration Manager Object(s) are required by this Generator:

• EArmObjBootArchInfo This macro expands to a function that retrieves the Boot Architecture Information from the Configuration Manager.