amlcode.h revision 199767f8919635c4928607450d9e0abb932109ce
/******************************************************************************
*
* Name: amlcode.h - Definitions for AML, as included in "definition blocks"
* Declarations and definitions contained herein are derived
* directly from the ACPI specification.
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2015, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#ifndef __AMLCODE_H__
#define __AMLCODE_H__
/* primary opcodes */
/* prefixed opcodes */
/*
* Combination opcodes (actually two one-byte opcodes)
* Used by the disassembler and iASL compiler
*/
/*
* Opcodes for "Field" operators
*/
/*
* Internal opcodes
* Use only "Unknown" AML opcodes, don't attempt to use
* any valid ACPI ASCII values (A-Z, 0-9, '-')
*/
#define ARG_NONE 0x0
/*
* Argument types for the AML Parser
* Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
* There can be up to 31 unique argument types
* Zero is reserved as end-of-list indicator
*/
#define ARGP_BYTEDATA 0x01
#define ARGP_BYTELIST 0x02
#define ARGP_CHARLIST 0x03
#define ARGP_DATAOBJ 0x04
#define ARGP_DATAOBJLIST 0x05
#define ARGP_DWORDDATA 0x06
#define ARGP_FIELDLIST 0x07
#define ARGP_NAME 0x08
#define ARGP_NAMESTRING 0x09
#define ARGP_OBJLIST 0x0A
#define ARGP_PKGLENGTH 0x0B
#define ARGP_SUPERNAME 0x0C
#define ARGP_TARGET 0x0D
#define ARGP_TERMARG 0x0E
#define ARGP_TERMLIST 0x0F
#define ARGP_WORDDATA 0x10
#define ARGP_QWORDDATA 0x11
#define ARGP_SIMPLENAME 0x12
/*
* Resolved argument types for the AML Interpreter
* Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
* There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
*
* Note1: These values are completely independent from the ACPI_TYPEs
* i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
*
* Note2: If and when 5 bits becomes insufficient, it would probably be best
* to convert to a 6-byte array of argument types, allowing 8 bits per argument.
*/
/* Single, simple types */
#define ARGI_PACKAGE 0x02
#define ARGI_EVENT 0x03
#define ARGI_MUTEX 0x04
#define ARGI_DDBHANDLE 0x05
/* Interchangeable types (via implicit conversion) */
#define ARGI_INTEGER 0x06
#define ARGI_STRING 0x07
#define ARGI_BUFFER 0x08
/* Reference objects */
#define ARGI_INTEGER_REF 0x0B
#define ARGI_OBJECT_REF 0x0C
#define ARGI_DEVICE_REF 0x0D
#define ARGI_REFERENCE 0x0E
#define ARGI_DATAOBJECT 0x12 /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
#define ARGI_DATAREFOBJ 0x16
/* Note: types above can expand to 0x1F maximum */
#define ARGI_INVALID_OPCODE 0xFFFFFFFF
/*
* hash offsets
*/
#define AML_EXTOP_HASH_OFFSET 22
#define AML_LNOT_HASH_OFFSET 19
/*
* opcode groups and types
*/
#define OPGRP_NAMED 0x01
#define OPGRP_FIELD 0x02
#define OPGRP_BYTELIST 0x04
/*
* Opcode information
*/
/* Opcode flags */
#define AML_LOGICAL 0x0001
#define AML_LOGICAL_NUMERIC 0x0002
#define AML_MATH 0x0004
#define AML_CREATE 0x0008
#define AML_FIELD 0x0010
#define AML_DEFER 0x0020
#define AML_NAMED 0x0040
#define AML_NSNODE 0x0080
#define AML_NSOPCODE 0x0100
#define AML_NSOBJECT 0x0200
#define AML_HAS_RETVAL 0x0400
#define AML_HAS_TARGET 0x0800
#define AML_HAS_ARGS 0x1000
#define AML_CONSTANT 0x2000
#define AML_NO_OPERAND_RESOLVE 0x4000
/* Convenient flag groupings */
#define AML_FLAGS_EXEC_3A_0T_0R AML_HAS_ARGS
/*
* The opcode Type is used in a dispatch table, do not change
* without updating the table.
*/
#define AML_TYPE_EXEC_0A_0T_1R 0x00
#define AML_TYPE_EXEC_1A_1T_0R 0x03
#define AML_TYPE_EXEC_2A_2T_1R 0x08
#define AML_TYPE_EXEC_3A_0T_0R 0x09
#define AML_TYPE_EXEC_3A_1T_1R 0x0A
#define AML_TYPE_EXEC_6A_0T_1R 0x0B
/* End of types used in dispatch table */
#define AML_TYPE_LITERAL 0x0B
#define AML_TYPE_CONSTANT 0x0C
#define AML_TYPE_METHOD_ARGUMENT 0x0D
#define AML_TYPE_LOCAL_VARIABLE 0x0E
#define AML_TYPE_DATA_TERM 0x0F
/* Generic for an op that returns a value */
#define AML_TYPE_METHOD_CALL 0x10
/* Misc */
#define AML_TYPE_CREATE_FIELD 0x11
#define AML_TYPE_CREATE_OBJECT 0x12
#define AML_TYPE_CONTROL 0x13
#define AML_TYPE_NAMED_NO_OBJ 0x14
#define AML_TYPE_NAMED_FIELD 0x15
#define AML_TYPE_NAMED_SIMPLE 0x16
#define AML_TYPE_NAMED_COMPLEX 0x17
#define AML_TYPE_RETURN 0x18
#define AML_TYPE_UNDEFINED 0x19
#define AML_TYPE_BOGUS 0x1A
/* AML Package Length encodings */
#define ACPI_AML_PACKAGE_TYPE1 0x40
#define ACPI_AML_PACKAGE_TYPE2 0x4000
#define ACPI_AML_PACKAGE_TYPE3 0x400000
#define ACPI_AML_PACKAGE_TYPE4 0x40000000
/*
* Opcode classes
*/
#define AML_CLASS_EXECUTE 0x00
#define AML_CLASS_CREATE 0x01
#define AML_CLASS_ARGUMENT 0x02
#define AML_CLASS_NAMED_OBJECT 0x03
#define AML_CLASS_CONTROL 0x04
#define AML_CLASS_ASCII 0x05
#define AML_CLASS_PREFIX 0x06
#define AML_CLASS_INTERNAL 0x07
#define AML_CLASS_RETURN_VALUE 0x08
#define AML_CLASS_METHOD_CALL 0x09
#define AML_CLASS_UNKNOWN 0x0A
/* Comparison operation codes for MatchOp operator */
typedef enum
{
MATCH_MTR = 0,
MATCH_MEQ = 1,
MATCH_MLE = 2,
MATCH_MLT = 3,
MATCH_MGE = 4,
MATCH_MGT = 5
#define MAX_MATCH_OPERATOR 5
/*
* FieldFlags
*
* This byte is extracted from the AML and includes three separate
* pieces of information about the field:
* 1) The field access type
* 2) The field update rule
* 3) The lock rule for the field
*
* Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
* 04 : LockRule (1 == Lock)
* 05 - 06 : UpdateRule
*/
#define AML_FIELD_ACCESS_TYPE_MASK 0x0F
#define AML_FIELD_LOCK_RULE_MASK 0x10
#define AML_FIELD_UPDATE_RULE_MASK 0x60
/* 1) Field Access Types */
typedef enum
{
AML_FIELD_ACCESS_ANY = 0x00,
AML_FIELD_ACCESS_BYTE = 0x01,
AML_FIELD_ACCESS_WORD = 0x02,
AML_FIELD_ACCESS_DWORD = 0x03,
/* 2) Field Lock Rules */
typedef enum
{
AML_FIELD_LOCK_NEVER = 0x00,
AML_FIELD_LOCK_ALWAYS = 0x10
/* 3) Field Update Rules */
typedef enum
{
AML_FIELD_UPDATE_PRESERVE = 0x00,
AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
/*
* Field Access Attributes.
* This byte is extracted from the AML via the
* AccessAs keyword
*/
typedef enum
{
AML_FIELD_ATTRIB_QUICK = 0x02,
AML_FIELD_ATTRIB_SEND_RCV = 0x04,
AML_FIELD_ATTRIB_BYTE = 0x06,
AML_FIELD_ATTRIB_WORD = 0x08,
AML_FIELD_ATTRIB_BLOCK = 0x0A,
AML_FIELD_ATTRIB_MULTIBYTE = 0x0B,
AML_FIELD_ATTRIB_WORD_CALL = 0x0C,
AML_FIELD_ATTRIB_BLOCK_CALL = 0x0D,
AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
AML_FIELD_ATTRIB_RAW_PROCESS = 0x0F
/* Bit fields in the AML MethodFlags byte */
#define AML_METHOD_ARG_COUNT 0x07
#define AML_METHOD_SERIALIZED 0x08
#define AML_METHOD_SYNC_LEVEL 0xF0
#endif /* __AMLCODE_H__ */