linux/drivers/acpi/acpica/psopinfo.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: psopinfo - AML opcode information functions and dispatch tables
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acparser.h"
#include "acopcode.h"
#include "amlcode.h"

#define _COMPONENT …
ACPI_MODULE_NAME("psopinfo")

static const u8 acpi_gbl_argument_count[] = …;

/*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_opcode_info
 *
 * PARAMETERS:  opcode              - The AML opcode
 *
 * RETURN:      A pointer to the info about the opcode.
 *
 * DESCRIPTION: Find AML opcode description based on the opcode.
 *              NOTE: This procedure must ALWAYS return a valid pointer!
 *
 ******************************************************************************/

const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_opcode_name
 *
 * PARAMETERS:  opcode              - The AML opcode
 *
 * RETURN:      A pointer to the name of the opcode (ASCII String)
 *              Note: Never returns NULL.
 *
 * DESCRIPTION: Translate an opcode into a human-readable string
 *
 ******************************************************************************/

const char *acpi_ps_get_opcode_name(u16 opcode)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ps_get_argument_count
 *
 * PARAMETERS:  op_type             - Type associated with the AML opcode
 *
 * RETURN:      Argument count
 *
 * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
 *
 ******************************************************************************/

u8 acpi_ps_get_argument_count(u32 op_type)
{ … }

/*
 * This table is directly indexed by the opcodes It returns
 * an index into the opcode table (acpi_gbl_aml_op_info)
 */
const u8 acpi_gbl_short_op_index[256] = …;

/*
 * This table is indexed by the second opcode of the extended opcode
 * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
 */
const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = …;