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800ba7c5ea
ACPICA commit 8b9c69d0984067051ffbe8526f871448ead6a26b Link: https://github.com/acpica/acpica/commit/8b9c69d0 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
234 lines
7.3 KiB
C
234 lines
7.3 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/******************************************************************************
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*
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* Module Name: psopinfo - AML opcode information functions and dispatch tables
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*
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* Copyright (C) 2000 - 2020, Intel Corp.
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*
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*****************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acparser.h"
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#include "acopcode.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_PARSER
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ACPI_MODULE_NAME("psopinfo")
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static const u8 acpi_gbl_argument_count[] =
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{ 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
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/*******************************************************************************
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*
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* FUNCTION: acpi_ps_get_opcode_info
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*
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* PARAMETERS: opcode - The AML opcode
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*
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* RETURN: A pointer to the info about the opcode.
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*
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* DESCRIPTION: Find AML opcode description based on the opcode.
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* NOTE: This procedure must ALWAYS return a valid pointer!
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*
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******************************************************************************/
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const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
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{
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#ifdef ACPI_DEBUG_OUTPUT
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const char *opcode_name = "Unknown AML opcode";
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#endif
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ACPI_FUNCTION_NAME(ps_get_opcode_info);
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/*
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* Detect normal 8-bit opcode or extended 16-bit opcode
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*/
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if (!(opcode & 0xFF00)) {
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/* Simple (8-bit) opcode: 0-255, can't index beyond table */
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return (&acpi_gbl_aml_op_info
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[acpi_gbl_short_op_index[(u8)opcode]]);
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}
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if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
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(((u8)opcode) <= MAX_EXTENDED_OPCODE)) {
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/* Valid extended (16-bit) opcode */
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return (&acpi_gbl_aml_op_info
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[acpi_gbl_long_op_index[(u8)opcode]]);
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}
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#if defined ACPI_ASL_COMPILER && defined ACPI_DEBUG_OUTPUT
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#include "asldefine.h"
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switch (opcode) {
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case AML_RAW_DATA_BYTE:
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opcode_name = "-Raw Data Byte-";
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break;
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case AML_RAW_DATA_WORD:
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opcode_name = "-Raw Data Word-";
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break;
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case AML_RAW_DATA_DWORD:
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opcode_name = "-Raw Data Dword-";
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break;
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case AML_RAW_DATA_QWORD:
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opcode_name = "-Raw Data Qword-";
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break;
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case AML_RAW_DATA_BUFFER:
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opcode_name = "-Raw Data Buffer-";
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break;
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case AML_RAW_DATA_CHAIN:
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opcode_name = "-Raw Data Buffer Chain-";
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break;
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case AML_PACKAGE_LENGTH:
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opcode_name = "-Package Length-";
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break;
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case AML_UNASSIGNED_OPCODE:
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opcode_name = "-Unassigned Opcode-";
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break;
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case AML_DEFAULT_ARG_OP:
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opcode_name = "-Default Arg-";
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break;
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default:
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break;
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}
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#endif
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/* Unknown AML opcode */
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%4.4X]\n", opcode_name, opcode));
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return (&acpi_gbl_aml_op_info[_UNK]);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ps_get_opcode_name
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*
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* PARAMETERS: opcode - The AML opcode
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*
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* RETURN: A pointer to the name of the opcode (ASCII String)
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* Note: Never returns NULL.
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*
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* DESCRIPTION: Translate an opcode into a human-readable string
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*
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******************************************************************************/
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const char *acpi_ps_get_opcode_name(u16 opcode)
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{
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#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
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const struct acpi_opcode_info *op;
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op = acpi_ps_get_opcode_info(opcode);
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/* Always guaranteed to return a valid pointer */
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return (op->name);
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#else
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return ("OpcodeName unavailable");
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#endif
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ps_get_argument_count
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*
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* PARAMETERS: op_type - Type associated with the AML opcode
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*
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* RETURN: Argument count
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*
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* DESCRIPTION: Obtain the number of expected arguments for an AML opcode
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*
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******************************************************************************/
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u8 acpi_ps_get_argument_count(u32 op_type)
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{
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if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
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return (acpi_gbl_argument_count[op_type]);
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}
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return (0);
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}
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/*
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* This table is directly indexed by the opcodes It returns
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* an index into the opcode table (acpi_gbl_aml_op_info)
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*/
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const u8 acpi_gbl_short_op_index[256] = {
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/* 0 1 2 3 4 5 6 7 */
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/* 8 9 A B C D E F */
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/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
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/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
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/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, 0x81, _UNK, _UNK,
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/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
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/* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
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/* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
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/* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
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/* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
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/* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
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/* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
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/* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
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/* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
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/* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
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/* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
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/* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
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/* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
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/* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
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/* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
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/* 0xA8 */ 0x62, 0x82, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
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/* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
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};
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/*
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* This table is indexed by the second opcode of the extended opcode
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* pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
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*/
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const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
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/* 0 1 2 3 4 5 6 7 */
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/* 8 9 A B C D E F */
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/* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
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/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
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/* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
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/* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
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/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
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/* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
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/* 0x88 */ 0x7C,
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};
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