AmlResourceData.c File Reference

#include <ResourceData/AmlResourceData.h>

Go to the source code of this file.

Functions
BOOLEAN EFIAPI	AmlRdCompareDescId (IN CONST AML_RD_HEADER *Header, IN AML_RD_HEADER DescriptorId)
AML_RD_HEADER EFIAPI	AmlRdGetDescId (IN CONST AML_RD_HEADER *Header)
UINT32 EFIAPI	AmlRdGetSize (IN CONST AML_RD_HEADER *Header)
EFI_STATUS EFIAPI	AmlRdSetEndTagChecksum (IN CONST AML_RD_HEADER *Header, IN UINT8 CheckSum)

Detailed Description

AML Resource Data.

Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.

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

Glossary:

• Rd or RD - Resource Data
• Rds or RDS - Resource Data Small
• Rdl or RDL - Resource Data Large

Definition in file AmlResourceData.c.

Function Documentation

AmlRdSetEndTagChecksum()

EFI_STATUS EFIAPI AmlRdSetEndTagChecksum	(	IN CONST AML_RD_HEADER *	Header,
		IN UINT8	CheckSum
	)

Set the Checksum of an EndTag resource data.

ACPI 6.4, s6.4.2.9 "End Tag": "This checksum is generated such that adding it to the sum of all the data bytes will produce a zero sum." "If the checksum field is zero, the resource data is treated as if the checksum operation succeeded. Configuration proceeds normally."

Parameters

[in]	Header	Pointer to the first byte of a resource data.
[in]	CheckSum	Checksum value to set.

Return values

EFI_SUCCESS	The function completed successfully.
EFI_INVALID_PARAMETER	Invalid parameter.

Definition at line 121 of file AmlResourceData.c.