linux/drivers/acpi/acpica/dsobject.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: dsobject - Dispatcher object management routines
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acparser.h"
#include "amlcode.h"
#include "acdispat.h"
#include "acnamesp.h"
#include "acinterp.h"

#define _COMPONENT …
ACPI_MODULE_NAME("dsobject")

/*******************************************************************************
 *
 * FUNCTION:    acpi_ds_build_internal_object
 *
 * PARAMETERS:  walk_state      - Current walk state
 *              op              - Parser object to be translated
 *              obj_desc_ptr    - Where the ACPI internal object is returned
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
 *              Simple objects are any objects other than a package object!
 *
 ******************************************************************************/
acpi_status
acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
			      union acpi_parse_object *op,
			      union acpi_operand_object **obj_desc_ptr)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ds_build_internal_buffer_obj
 *
 * PARAMETERS:  walk_state      - Current walk state
 *              op              - Parser object to be translated
 *              buffer_length   - Length of the buffer
 *              obj_desc_ptr    - Where the ACPI internal object is returned
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Translate a parser Op package object to the equivalent
 *              namespace object
 *
 ******************************************************************************/

acpi_status
acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
				  union acpi_parse_object *op,
				  u32 buffer_length,
				  union acpi_operand_object **obj_desc_ptr)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ds_create_node
 *
 * PARAMETERS:  walk_state      - Current walk state
 *              node            - NS Node to be initialized
 *              op              - Parser object to be translated
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Create the object to be associated with a namespace node
 *
 ******************************************************************************/

acpi_status
acpi_ds_create_node(struct acpi_walk_state *walk_state,
		    struct acpi_namespace_node *node,
		    union acpi_parse_object *op)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ds_init_object_from_op
 *
 * PARAMETERS:  walk_state      - Current walk state
 *              op              - Parser op used to init the internal object
 *              opcode          - AML opcode associated with the object
 *              ret_obj_desc    - Namespace object to be initialized
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Initialize a namespace object from a parser Op and its
 *              associated arguments. The namespace object is a more compact
 *              representation of the Op and its arguments.
 *
 ******************************************************************************/

acpi_status
acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
			    union acpi_parse_object *op,
			    u16 opcode,
			    union acpi_operand_object **ret_obj_desc)
{ … }