/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* 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 - 2025 , Intel Corp .
*
*****************************************************************************/
#ifndef __AMLCODE_H__
#define __AMLCODE_H__
/* primary opcodes */
#define AML_ZERO_OP (u16) 0 x00
#define AML_ONE_OP (u16) 0 x01
#define AML_ALIAS_OP (u16) 0 x06
#define AML_NAME_OP (u16) 0 x08
#define AML_BYTE_OP (u16) 0 x0a
#define AML_WORD_OP (u16) 0 x0b
#define AML_DWORD_OP (u16) 0 x0c
#define AML_STRING_OP (u16) 0 x0d
#define AML_QWORD_OP (u16) 0 x0e /* ACPI 2.0 */
#define AML_SCOPE_OP (u16) 0 x10
#define AML_BUFFER_OP (u16) 0 x11
#define AML_PACKAGE_OP (u16) 0 x12
#define AML_VARIABLE_PACKAGE_OP (u16) 0 x13 /* ACPI 2.0 */
#define AML_METHOD_OP (u16) 0 x14
#define AML_EXTERNAL_OP (u16) 0 x15 /* ACPI 6.0 */
#define AML_DUAL_NAME_PREFIX (u16) 0 x2e
#define AML_MULTI_NAME_PREFIX (u16) 0 x2f
#define AML_EXTENDED_PREFIX (u16) 0 x5b
#define AML_ROOT_PREFIX (u16) 0 x5c
#define AML_PARENT_PREFIX (u16) 0 x5e
#define AML_FIRST_LOCAL_OP (u16) 0 x60 /* Used for Local op # calculations */
#define AML_LOCAL0 (u16) 0 x60
#define AML_LOCAL1 (u16) 0 x61
#define AML_LOCAL2 (u16) 0 x62
#define AML_LOCAL3 (u16) 0 x63
#define AML_LOCAL4 (u16) 0 x64
#define AML_LOCAL5 (u16) 0 x65
#define AML_LOCAL6 (u16) 0 x66
#define AML_LOCAL7 (u16) 0 x67
#define AML_FIRST_ARG_OP (u16) 0 x68 /* Used for Arg op # calculations */
#define AML_ARG0 (u16) 0 x68
#define AML_ARG1 (u16) 0 x69
#define AML_ARG2 (u16) 0 x6a
#define AML_ARG3 (u16) 0 x6b
#define AML_ARG4 (u16) 0 x6c
#define AML_ARG5 (u16) 0 x6d
#define AML_ARG6 (u16) 0 x6e
#define AML_STORE_OP (u16) 0 x70
#define AML_REF_OF_OP (u16) 0 x71
#define AML_ADD_OP (u16) 0 x72
#define AML_CONCATENATE_OP (u16) 0 x73
#define AML_SUBTRACT_OP (u16) 0 x74
#define AML_INCREMENT_OP (u16) 0 x75
#define AML_DECREMENT_OP (u16) 0 x76
#define AML_MULTIPLY_OP (u16) 0 x77
#define AML_DIVIDE_OP (u16) 0 x78
#define AML_SHIFT_LEFT_OP (u16) 0 x79
#define AML_SHIFT_RIGHT_OP (u16) 0 x7a
#define AML_BIT_AND_OP (u16) 0 x7b
#define AML_BIT_NAND_OP (u16) 0 x7c
#define AML_BIT_OR_OP (u16) 0 x7d
#define AML_BIT_NOR_OP (u16) 0 x7e
#define AML_BIT_XOR_OP (u16) 0 x7f
#define AML_BIT_NOT_OP (u16) 0 x80
#define AML_FIND_SET_LEFT_BIT_OP (u16) 0 x81
#define AML_FIND_SET_RIGHT_BIT_OP (u16) 0 x82
#define AML_DEREF_OF_OP (u16) 0 x83
#define AML_CONCATENATE_TEMPLATE_OP (u16) 0 x84 /* ACPI 2.0 */
#define AML_MOD_OP (u16) 0 x85 /* ACPI 2.0 */
#define AML_NOTIFY_OP (u16) 0 x86
#define AML_SIZE_OF_OP (u16) 0 x87
#define AML_INDEX_OP (u16) 0 x88
#define AML_MATCH_OP (u16) 0 x89
#define AML_CREATE_DWORD_FIELD_OP (u16) 0 x8a
#define AML_CREATE_WORD_FIELD_OP (u16) 0 x8b
#define AML_CREATE_BYTE_FIELD_OP (u16) 0 x8c
#define AML_CREATE_BIT_FIELD_OP (u16) 0 x8d
#define AML_OBJECT_TYPE_OP (u16) 0 x8e
#define AML_CREATE_QWORD_FIELD_OP (u16) 0 x8f /* ACPI 2.0 */
#define AML_LOGICAL_AND_OP (u16) 0 x90
#define AML_LOGICAL_OR_OP (u16) 0 x91
#define AML_LOGICAL_NOT_OP (u16) 0 x92
#define AML_LOGICAL_EQUAL_OP (u16) 0 x93
#define AML_LOGICAL_GREATER_OP (u16) 0 x94
#define AML_LOGICAL_LESS_OP (u16) 0 x95
#define AML_TO_BUFFER_OP (u16) 0 x96 /* ACPI 2.0 */
#define AML_TO_DECIMAL_STRING_OP (u16) 0 x97 /* ACPI 2.0 */
#define AML_TO_HEX_STRING_OP (u16) 0 x98 /* ACPI 2.0 */
#define AML_TO_INTEGER_OP (u16) 0 x99 /* ACPI 2.0 */
#define AML_TO_STRING_OP (u16) 0 x9c /* ACPI 2.0 */
#define AML_COPY_OBJECT_OP (u16) 0 x9d /* ACPI 2.0 */
#define AML_MID_OP (u16) 0 x9e /* ACPI 2.0 */
#define AML_CONTINUE_OP (u16) 0 x9f /* ACPI 2.0 */
#define AML_IF_OP (u16) 0 xa0
#define AML_ELSE_OP (u16) 0 xa1
#define AML_WHILE_OP (u16) 0 xa2
#define AML_NOOP_OP (u16) 0 xa3
#define AML_RETURN_OP (u16) 0 xa4
#define AML_BREAK_OP (u16) 0 xa5
#define AML_COMMENT_OP (u16) 0 xa9
#define AML_BREAKPOINT_OP (u16) 0 xcc
#define AML_ONES_OP (u16) 0 xff
/*
* Combination opcodes ( actually two one - byte opcodes )
* Used by the disassembler and iASL compiler
*/
#define AML_LOGICAL_GREATER_EQUAL_OP (u16) 0 x9295 /* LNot (LLess) */
#define AML_LOGICAL_LESS_EQUAL_OP (u16) 0 x9294 /* LNot (LGreater) */
#define AML_LOGICAL_NOT_EQUAL_OP (u16) 0 x9293 /* LNot (LEqual) */
/* Prefixed (2-byte) opcodes (with AML_EXTENDED_PREFIX) */
#define AML_EXTENDED_OPCODE (u16) 0 x5b00 /* Prefix for 2-byte opcodes */
#define AML_MUTEX_OP (u16) 0 x5b01
#define AML_EVENT_OP (u16) 0 x5b02
#define AML_SHIFT_RIGHT_BIT_OP (u16) 0 x5b10 /* Obsolete, not in ACPI spec */
#define AML_SHIFT_LEFT_BIT_OP (u16) 0 x5b11 /* Obsolete, not in ACPI spec */
#define AML_CONDITIONAL_REF_OF_OP (u16) 0 x5b12
#define AML_CREATE_FIELD_OP (u16) 0 x5b13
#define AML_LOAD_TABLE_OP (u16) 0 x5b1f /* ACPI 2.0 */
#define AML_LOAD_OP (u16) 0 x5b20
#define AML_STALL_OP (u16) 0 x5b21
#define AML_SLEEP_OP (u16) 0 x5b22
#define AML_ACQUIRE_OP (u16) 0 x5b23
#define AML_SIGNAL_OP (u16) 0 x5b24
#define AML_WAIT_OP (u16) 0 x5b25
#define AML_RESET_OP (u16) 0 x5b26
#define AML_RELEASE_OP (u16) 0 x5b27
#define AML_FROM_BCD_OP (u16) 0 x5b28
#define AML_TO_BCD_OP (u16) 0 x5b29
#define AML_UNLOAD_OP (u16) 0 x5b2a
#define AML_REVISION_OP (u16) 0 x5b30
#define AML_DEBUG_OP (u16) 0 x5b31
#define AML_FATAL_OP (u16) 0 x5b32
#define AML_TIMER_OP (u16) 0 x5b33 /* ACPI 3.0 */
#define AML_REGION_OP (u16) 0 x5b80
#define AML_FIELD_OP (u16) 0 x5b81
#define AML_DEVICE_OP (u16) 0 x5b82
#define AML_PROCESSOR_OP (u16) 0 x5b83
#define AML_POWER_RESOURCE_OP (u16) 0 x5b84
#define AML_THERMAL_ZONE_OP (u16) 0 x5b85
#define AML_INDEX_FIELD_OP (u16) 0 x5b86
#define AML_BANK_FIELD_OP (u16) 0 x5b87
#define AML_DATA_REGION_OP (u16) 0 x5b88 /* ACPI 2.0 */
/*
* Opcodes for " Field " operators
*/
#define AML_FIELD_OFFSET_OP (u8) 0 x00
#define AML_FIELD_ACCESS_OP (u8) 0 x01
#define AML_FIELD_CONNECTION_OP (u8) 0 x02 /* ACPI 5.0 */
#define AML_FIELD_EXT_ACCESS_OP (u8) 0 x03 /* ACPI 5.0 */
/*
* Internal opcodes
* Use only " Unknown " AML opcodes , don ' t attempt to use
* any valid ACPI ASCII values ( A - Z , 0 - 9 , ' - ' )
*/
#define AML_INT_NAMEPATH_OP (u16) 0 x002d
#define AML_INT_NAMEDFIELD_OP (u16) 0 x0030
#define AML_INT_RESERVEDFIELD_OP (u16) 0 x0031
#define AML_INT_ACCESSFIELD_OP (u16) 0 x0032
#define AML_INT_BYTELIST_OP (u16) 0 x0033
#define AML_INT_METHODCALL_OP (u16) 0 x0035
#define AML_INT_RETURN_VALUE_OP (u16) 0 x0036
#define AML_INT_EVAL_SUBTREE_OP (u16) 0 x0037
#define AML_INT_CONNECTION_OP (u16) 0 x0038
#define AML_INT_EXTACCESSFIELD_OP (u16) 0 x0039
#define ARG_NONE 0 x0
/*
* Argument types for the AML Parser
* Each field in the arg_types u32 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 0 x01
#define ARGP_BYTELIST 0 x02
#define ARGP_CHARLIST 0 x03
#define ARGP_DATAOBJ 0 x04
#define ARGP_DATAOBJLIST 0 x05
#define ARGP_DWORDDATA 0 x06
#define ARGP_FIELDLIST 0 x07
#define ARGP_NAME 0 x08
#define ARGP_NAMESTRING 0 x09
#define ARGP_OBJLIST 0 x0A
#define ARGP_PKGLENGTH 0 x0B
#define ARGP_SUPERNAME 0 x0C
#define ARGP_TARGET 0 x0D
#define ARGP_TERMARG 0 x0E
#define ARGP_TERMLIST 0 x0F
#define ARGP_WORDDATA 0 x10
#define ARGP_QWORDDATA 0 x11
#define ARGP_SIMPLENAME 0 x12 /* name_string | local_term | arg_term */
#define ARGP_NAME_OR_REF 0 x13 /* For object_type only */
#define ARGP_MAX 0 x13
#define ARGP_COMMENT 0 x14
/*
* Resolved argument types for the AML Interpreter
* Each field in the arg_types u32 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_ANYTYPE 0 x01 /* Don't care */
#define ARGI_PACKAGE 0 x02
#define ARGI_EVENT 0 x03
#define ARGI_MUTEX 0 x04
#define ARGI_DDBHANDLE 0 x05
/* Interchangeable types (via implicit conversion) */
#define ARGI_INTEGER 0 x06
#define ARGI_STRING 0 x07
#define ARGI_BUFFER 0 x08
#define ARGI_BUFFER_OR_STRING 0 x09 /* Used by MID op only */
#define ARGI_COMPUTEDATA 0 x0A /* Buffer, String, or Integer */
/* Reference objects */
#define ARGI_INTEGER_REF 0 x0B
#define ARGI_OBJECT_REF 0 x0C
#define ARGI_DEVICE_REF 0 x0D
#define ARGI_REFERENCE 0 x0E
#define ARGI_TARGETREF 0 x0F /* Target, subject to implicit conversion */
#define ARGI_FIXED_TARGET 0 x10 /* Target, no implicit conversion */
#define ARGI_SIMPLE_TARGET 0 x11 /* Name, Local, Arg -- no implicit conversion */
#define ARGI_STORE_TARGET 0 x12 /* Target for store is TARGETREF + package objects */
/* Multiple/complex types */
#define ARGI_DATAOBJECT 0 x13 /* Buffer, String, package or reference to a node - Used only by size_of operator */
#define ARGI_COMPLEXOBJ 0 x14 /* Buffer, String, or package (Used by INDEX op only) */
#define ARGI_REF_OR_STRING 0 x15 /* Reference or String (Used by DEREFOF op only) */
#define ARGI_REGION_OR_BUFFER 0 x16 /* Used by LOAD op only */
#define ARGI_DATAREFOBJ 0 x17
/* Note: types above can expand to 0x1F maximum */
#define ARGI_INVALID_OPCODE 0 xFFFFFFFF
/*
* Some of the flags and types below are of the form :
*
* AML_FLAGS_EXEC_ # A_ # T , # R , or
* AML_TYPE_EXEC_ # A_ # T , # R where :
*
* # A is the number of required arguments
* # T is the number of target operands
* # R indicates whether there is a return value
*
* These types are used for the top - level dispatch of the AML
* opcode . They group similar operators that can share common
* front - end code before dispatch to the final code that implements
* the operator .
*/
/*
* Opcode information flags
*/
#define AML_LOGICAL 0 x0001
#define AML_LOGICAL_NUMERIC 0 x0002
#define AML_MATH 0 x0004
#define AML_CREATE 0 x0008
#define AML_FIELD 0 x0010
#define AML_DEFER 0 x0020
#define AML_NAMED 0 x0040
#define AML_NSNODE 0 x0080
#define AML_NSOPCODE 0 x0100
#define AML_NSOBJECT 0 x0200
#define AML_HAS_RETVAL 0 x0400
#define AML_HAS_TARGET 0 x0800
#define AML_HAS_ARGS 0 x1000
#define AML_CONSTANT 0 x2000
#define AML_NO_OPERAND_RESOLVE 0 x4000
/* Convenient flag groupings of the flags above */
#define AML_FLAGS_EXEC_0A_0T_1R AML_HAS_RETVAL
#define AML_FLAGS_EXEC_1A_0T_0R AML_HAS_ARGS /* Monadic1 */
#define AML_FLAGS_EXEC_1A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Monadic2 */
#define AML_FLAGS_EXEC_1A_1T_0R AML_HAS_ARGS | AML_HAS_TARGET
#define AML_FLAGS_EXEC_1A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* monadic2_r */
#define AML_FLAGS_EXEC_2A_0T_0R AML_HAS_ARGS /* Dyadic1 */
#define AML_FLAGS_EXEC_2A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Dyadic2 */
#define AML_FLAGS_EXEC_2A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* dyadic2_r */
#define AML_FLAGS_EXEC_2A_2T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
#define AML_FLAGS_EXEC_3A_0T_0R AML_HAS_ARGS
#define AML_FLAGS_EXEC_3A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
#define AML_FLAGS_EXEC_6A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL
/*
* The opcode Type is used in a dispatch table , do not change
* or add anything new without updating the table .
*/
#define AML_TYPE_EXEC_0A_0T_1R 0 x00 /* 0 Args, 0 Target, 1 ret_val */
#define AML_TYPE_EXEC_1A_0T_0R 0 x01 /* 1 Args, 0 Target, 0 ret_val */
#define AML_TYPE_EXEC_1A_0T_1R 0 x02 /* 1 Args, 0 Target, 1 ret_val */
#define AML_TYPE_EXEC_1A_1T_0R 0 x03 /* 1 Args, 1 Target, 0 ret_val */
#define AML_TYPE_EXEC_1A_1T_1R 0 x04 /* 1 Args, 1 Target, 1 ret_val */
#define AML_TYPE_EXEC_2A_0T_0R 0 x05 /* 2 Args, 0 Target, 0 ret_val */
#define AML_TYPE_EXEC_2A_0T_1R 0 x06 /* 2 Args, 0 Target, 1 ret_val */
#define AML_TYPE_EXEC_2A_1T_1R 0 x07 /* 2 Args, 1 Target, 1 ret_val */
#define AML_TYPE_EXEC_2A_2T_1R 0 x08 /* 2 Args, 2 Target, 1 ret_val */
#define AML_TYPE_EXEC_3A_0T_0R 0 x09 /* 3 Args, 0 Target, 0 ret_val */
#define AML_TYPE_EXEC_3A_1T_1R 0 x0A /* 3 Args, 1 Target, 1 ret_val */
#define AML_TYPE_EXEC_6A_0T_1R 0 x0B /* 6 Args, 0 Target, 1 ret_val */
/* End of types used in dispatch table */
#define AML_TYPE_LITERAL 0 x0C
#define AML_TYPE_CONSTANT 0 x0D
#define AML_TYPE_METHOD_ARGUMENT 0 x0E
#define AML_TYPE_LOCAL_VARIABLE 0 x0F
#define AML_TYPE_DATA_TERM 0 x10
/* Generic for an op that returns a value */
#define AML_TYPE_METHOD_CALL 0 x11
/* Miscellaneous types */
#define AML_TYPE_CREATE_FIELD 0 x12
#define AML_TYPE_CREATE_OBJECT 0 x13
#define AML_TYPE_CONTROL 0 x14
#define AML_TYPE_NAMED_NO_OBJ 0 x15
#define AML_TYPE_NAMED_FIELD 0 x16
#define AML_TYPE_NAMED_SIMPLE 0 x17
#define AML_TYPE_NAMED_COMPLEX 0 x18
#define AML_TYPE_RETURN 0 x19
#define AML_TYPE_UNDEFINED 0 x1A
#define AML_TYPE_BOGUS 0 x1B
/* AML Package Length encodings */
#define ACPI_AML_PACKAGE_TYPE1 0 x40
#define ACPI_AML_PACKAGE_TYPE2 0 x4000
#define ACPI_AML_PACKAGE_TYPE3 0 x400000
#define ACPI_AML_PACKAGE_TYPE4 0 x40000000
/*
* Opcode classes
*/
#define AML_CLASS_EXECUTE 0 x00
#define AML_CLASS_CREATE 0 x01
#define AML_CLASS_ARGUMENT 0 x02
#define AML_CLASS_NAMED_OBJECT 0 x03
#define AML_CLASS_CONTROL 0 x04
#define AML_CLASS_ASCII 0 x05
#define AML_CLASS_PREFIX 0 x06
#define AML_CLASS_INTERNAL 0 x07
#define AML_CLASS_RETURN_VALUE 0 x08
#define AML_CLASS_METHOD_CALL 0 x09
#define AML_CLASS_UNKNOWN 0 x0A
/* Comparison operation codes for match_op operator */
typedef enum {
MATCH_MTR = 0 ,
MATCH_MEQ = 1 ,
MATCH_MLE = 2 ,
MATCH_MLT = 3 ,
MATCH_MGE = 4 ,
MATCH_MGT = 5
} AML_MATCH_OPERATOR;
#define MAX_MATCH_OPERATOR 5
/*
* field_flags
*
* 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 : access_type ( any_acc , byte_acc , etc . )
* 04 : lock_rule ( 1 = = Lock )
* 05 - 06 : update_rule
*/
#define AML_FIELD_ACCESS_TYPE_MASK 0 x0F
#define AML_FIELD_LOCK_RULE_MASK 0 x10
#define AML_FIELD_UPDATE_RULE_MASK 0 x60
/* 1) Field Access Types */
typedef enum {
AML_FIELD_ACCESS_ANY = 0 x00,
AML_FIELD_ACCESS_BYTE = 0 x01,
AML_FIELD_ACCESS_WORD = 0 x02,
AML_FIELD_ACCESS_DWORD = 0 x03,
AML_FIELD_ACCESS_QWORD = 0 x04, /* ACPI 2.0 */
AML_FIELD_ACCESS_BUFFER = 0 x05 /* ACPI 2.0 */
} AML_ACCESS_TYPE;
/* 2) Field Lock Rules */
typedef enum {
AML_FIELD_LOCK_NEVER = 0 x00,
AML_FIELD_LOCK_ALWAYS = 0 x10
} AML_LOCK_RULE;
/* 3) Field Update Rules */
typedef enum {
AML_FIELD_UPDATE_PRESERVE = 0 x00,
AML_FIELD_UPDATE_WRITE_AS_ONES = 0 x20,
AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0 x40
} AML_UPDATE_RULE;
/*
* Field Access Attributes .
* This byte is extracted from the AML via the
* access_as keyword
*/
typedef enum {
AML_FIELD_ATTRIB_QUICK = 0 x02,
AML_FIELD_ATTRIB_SEND_RECEIVE = 0 x04,
AML_FIELD_ATTRIB_BYTE = 0 x06,
AML_FIELD_ATTRIB_WORD = 0 x08,
AML_FIELD_ATTRIB_BLOCK = 0 x0A,
AML_FIELD_ATTRIB_BYTES = 0 x0B,
AML_FIELD_ATTRIB_PROCESS_CALL = 0 x0C,
AML_FIELD_ATTRIB_BLOCK_PROCESS_CALL = 0 x0D,
AML_FIELD_ATTRIB_RAW_BYTES = 0 x0E,
AML_FIELD_ATTRIB_RAW_PROCESS_BYTES = 0 x0F
} AML_ACCESS_ATTRIBUTE;
/* Bit fields in the AML method_flags byte */
#define AML_METHOD_ARG_COUNT 0 x07
#define AML_METHOD_SERIALIZED 0 x08
#define AML_METHOD_SYNC_LEVEL 0 xF0
#endif /* __AMLCODE_H__ */
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