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amlcode.h
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1 /******************************************************************************
2  *
3  * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
4  * Declarations and definitions contained herein are derived
5  * directly from the ACPI specification.
6  *
7  *****************************************************************************/
8 
9 /*
10  * Copyright (C) 2000 - 2021, Intel Corp.
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  * notice, this list of conditions, and the following disclaimer,
18  * without modification.
19  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
20  * substantially similar to the "NO WARRANTY" disclaimer below
21  * ("Disclaimer") and any redistribution must be conditioned upon
22  * including a substantially similar Disclaimer requirement for further
23  * binary redistribution.
24  * 3. Neither the names of the above-listed copyright holders nor the names
25  * of any contributors may be used to endorse or promote products derived
26  * from this software without specific prior written permission.
27  *
28  * Alternatively, this software may be distributed under the terms of the
29  * GNU General Public License ("GPL") version 2 as published by the Free
30  * Software Foundation.
31  *
32  * NO WARRANTY
33  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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43  * POSSIBILITY OF SUCH DAMAGES.
44  */
45 
46 #ifndef __AMLCODE_H__
47 #define __AMLCODE_H__
48 
49 /* primary opcodes */
50 
51 #define AML_ZERO_OP (UINT16) 0x00
52 #define AML_ONE_OP (UINT16) 0x01
53 #define AML_ALIAS_OP (UINT16) 0x06
54 #define AML_NAME_OP (UINT16) 0x08
55 #define AML_BYTE_OP (UINT16) 0x0a
56 #define AML_WORD_OP (UINT16) 0x0b
57 #define AML_DWORD_OP (UINT16) 0x0c
58 #define AML_STRING_OP (UINT16) 0x0d
59 #define AML_QWORD_OP (UINT16) 0x0e /* ACPI 2.0 */
60 #define AML_SCOPE_OP (UINT16) 0x10
61 #define AML_BUFFER_OP (UINT16) 0x11
62 #define AML_PACKAGE_OP (UINT16) 0x12
63 #define AML_VARIABLE_PACKAGE_OP (UINT16) 0x13 /* ACPI 2.0 */
64 #define AML_METHOD_OP (UINT16) 0x14
65 #define AML_EXTERNAL_OP (UINT16) 0x15 /* ACPI 6.0 */
66 #define AML_DUAL_NAME_PREFIX (UINT16) 0x2e
67 #define AML_MULTI_NAME_PREFIX (UINT16) 0x2f
68 #define AML_EXTENDED_PREFIX (UINT16) 0x5b
69 #define AML_ROOT_PREFIX (UINT16) 0x5c
70 #define AML_PARENT_PREFIX (UINT16) 0x5e
71 #define AML_FIRST_LOCAL_OP (UINT16) 0x60 /* Used for Local op # calculations */
72 #define AML_LOCAL0 (UINT16) 0x60
73 #define AML_LOCAL1 (UINT16) 0x61
74 #define AML_LOCAL2 (UINT16) 0x62
75 #define AML_LOCAL3 (UINT16) 0x63
76 #define AML_LOCAL4 (UINT16) 0x64
77 #define AML_LOCAL5 (UINT16) 0x65
78 #define AML_LOCAL6 (UINT16) 0x66
79 #define AML_LOCAL7 (UINT16) 0x67
80 #define AML_FIRST_ARG_OP (UINT16) 0x68 /* Used for Arg op # calculations */
81 #define AML_ARG0 (UINT16) 0x68
82 #define AML_ARG1 (UINT16) 0x69
83 #define AML_ARG2 (UINT16) 0x6a
84 #define AML_ARG3 (UINT16) 0x6b
85 #define AML_ARG4 (UINT16) 0x6c
86 #define AML_ARG5 (UINT16) 0x6d
87 #define AML_ARG6 (UINT16) 0x6e
88 #define AML_STORE_OP (UINT16) 0x70
89 #define AML_REF_OF_OP (UINT16) 0x71
90 #define AML_ADD_OP (UINT16) 0x72
91 #define AML_CONCATENATE_OP (UINT16) 0x73
92 #define AML_SUBTRACT_OP (UINT16) 0x74
93 #define AML_INCREMENT_OP (UINT16) 0x75
94 #define AML_DECREMENT_OP (UINT16) 0x76
95 #define AML_MULTIPLY_OP (UINT16) 0x77
96 #define AML_DIVIDE_OP (UINT16) 0x78
97 #define AML_SHIFT_LEFT_OP (UINT16) 0x79
98 #define AML_SHIFT_RIGHT_OP (UINT16) 0x7a
99 #define AML_BIT_AND_OP (UINT16) 0x7b
100 #define AML_BIT_NAND_OP (UINT16) 0x7c
101 #define AML_BIT_OR_OP (UINT16) 0x7d
102 #define AML_BIT_NOR_OP (UINT16) 0x7e
103 #define AML_BIT_XOR_OP (UINT16) 0x7f
104 #define AML_BIT_NOT_OP (UINT16) 0x80
105 #define AML_FIND_SET_LEFT_BIT_OP (UINT16) 0x81
106 #define AML_FIND_SET_RIGHT_BIT_OP (UINT16) 0x82
107 #define AML_DEREF_OF_OP (UINT16) 0x83
108 #define AML_CONCATENATE_TEMPLATE_OP (UINT16) 0x84 /* ACPI 2.0 */
109 #define AML_MOD_OP (UINT16) 0x85 /* ACPI 2.0 */
110 #define AML_NOTIFY_OP (UINT16) 0x86
111 #define AML_SIZE_OF_OP (UINT16) 0x87
112 #define AML_INDEX_OP (UINT16) 0x88
113 #define AML_MATCH_OP (UINT16) 0x89
114 #define AML_CREATE_DWORD_FIELD_OP (UINT16) 0x8a
115 #define AML_CREATE_WORD_FIELD_OP (UINT16) 0x8b
116 #define AML_CREATE_BYTE_FIELD_OP (UINT16) 0x8c
117 #define AML_CREATE_BIT_FIELD_OP (UINT16) 0x8d
118 #define AML_OBJECT_TYPE_OP (UINT16) 0x8e
119 #define AML_CREATE_QWORD_FIELD_OP (UINT16) 0x8f /* ACPI 2.0 */
120 #define AML_LOGICAL_AND_OP (UINT16) 0x90
121 #define AML_LOGICAL_OR_OP (UINT16) 0x91
122 #define AML_LOGICAL_NOT_OP (UINT16) 0x92
123 #define AML_LOGICAL_EQUAL_OP (UINT16) 0x93
124 #define AML_LOGICAL_GREATER_OP (UINT16) 0x94
125 #define AML_LOGICAL_LESS_OP (UINT16) 0x95
126 #define AML_TO_BUFFER_OP (UINT16) 0x96 /* ACPI 2.0 */
127 #define AML_TO_DECIMAL_STRING_OP (UINT16) 0x97 /* ACPI 2.0 */
128 #define AML_TO_HEX_STRING_OP (UINT16) 0x98 /* ACPI 2.0 */
129 #define AML_TO_INTEGER_OP (UINT16) 0x99 /* ACPI 2.0 */
130 #define AML_TO_STRING_OP (UINT16) 0x9c /* ACPI 2.0 */
131 #define AML_COPY_OBJECT_OP (UINT16) 0x9d /* ACPI 2.0 */
132 #define AML_MID_OP (UINT16) 0x9e /* ACPI 2.0 */
133 #define AML_CONTINUE_OP (UINT16) 0x9f /* ACPI 2.0 */
134 #define AML_IF_OP (UINT16) 0xa0
135 #define AML_ELSE_OP (UINT16) 0xa1
136 #define AML_WHILE_OP (UINT16) 0xa2
137 #define AML_NOOP_OP (UINT16) 0xa3
138 #define AML_RETURN_OP (UINT16) 0xa4
139 #define AML_BREAK_OP (UINT16) 0xa5
140 #define AML_COMMENT_OP (UINT16) 0xa9
141 #define AML_BREAKPOINT_OP (UINT16) 0xcc
142 #define AML_ONES_OP (UINT16) 0xff
143 
144 
145 /*
146  * Combination opcodes (actually two one-byte opcodes)
147  * Used by the disassembler and iASL compiler
148  */
149 #define AML_LOGICAL_GREATER_EQUAL_OP (UINT16) 0x9295 /* LNot (LLess) */
150 #define AML_LOGICAL_LESS_EQUAL_OP (UINT16) 0x9294 /* LNot (LGreater) */
151 #define AML_LOGICAL_NOT_EQUAL_OP (UINT16) 0x9293 /* LNot (LEqual) */
152 
153 
154 /* Prefixed (2-byte) opcodes (with AML_EXTENDED_PREFIX) */
155 
156 #define AML_EXTENDED_OPCODE (UINT16) 0x5b00 /* Prefix for 2-byte opcodes */
157 
158 #define AML_MUTEX_OP (UINT16) 0x5b01
159 #define AML_EVENT_OP (UINT16) 0x5b02
160 #define AML_SHIFT_RIGHT_BIT_OP (UINT16) 0x5b10 /* Obsolete, not in ACPI spec */
161 #define AML_SHIFT_LEFT_BIT_OP (UINT16) 0x5b11 /* Obsolete, not in ACPI spec */
162 #define AML_CONDITIONAL_REF_OF_OP (UINT16) 0x5b12
163 #define AML_CREATE_FIELD_OP (UINT16) 0x5b13
164 #define AML_LOAD_TABLE_OP (UINT16) 0x5b1f /* ACPI 2.0 */
165 #define AML_LOAD_OP (UINT16) 0x5b20
166 #define AML_STALL_OP (UINT16) 0x5b21
167 #define AML_SLEEP_OP (UINT16) 0x5b22
168 #define AML_ACQUIRE_OP (UINT16) 0x5b23
169 #define AML_SIGNAL_OP (UINT16) 0x5b24
170 #define AML_WAIT_OP (UINT16) 0x5b25
171 #define AML_RESET_OP (UINT16) 0x5b26
172 #define AML_RELEASE_OP (UINT16) 0x5b27
173 #define AML_FROM_BCD_OP (UINT16) 0x5b28
174 #define AML_TO_BCD_OP (UINT16) 0x5b29
175 #define AML_UNLOAD_OP (UINT16) 0x5b2a
176 #define AML_REVISION_OP (UINT16) 0x5b30
177 #define AML_DEBUG_OP (UINT16) 0x5b31
178 #define AML_FATAL_OP (UINT16) 0x5b32
179 #define AML_TIMER_OP (UINT16) 0x5b33 /* ACPI 3.0 */
180 #define AML_REGION_OP (UINT16) 0x5b80
181 #define AML_FIELD_OP (UINT16) 0x5b81
182 #define AML_DEVICE_OP (UINT16) 0x5b82
183 #define AML_PROCESSOR_OP (UINT16) 0x5b83
184 #define AML_POWER_RESOURCE_OP (UINT16) 0x5b84
185 #define AML_THERMAL_ZONE_OP (UINT16) 0x5b85
186 #define AML_INDEX_FIELD_OP (UINT16) 0x5b86
187 #define AML_BANK_FIELD_OP (UINT16) 0x5b87
188 #define AML_DATA_REGION_OP (UINT16) 0x5b88 /* ACPI 2.0 */
189 
190 
191 /*
192  * Opcodes for "Field" operators
193  */
194 #define AML_FIELD_OFFSET_OP (UINT8) 0x00
195 #define AML_FIELD_ACCESS_OP (UINT8) 0x01
196 #define AML_FIELD_CONNECTION_OP (UINT8) 0x02 /* ACPI 5.0 */
197 #define AML_FIELD_EXT_ACCESS_OP (UINT8) 0x03 /* ACPI 5.0 */
198 
199 
200 /*
201  * Internal opcodes
202  * Use only "Unknown" AML opcodes, don't attempt to use
203  * any valid ACPI ASCII values (A-Z, 0-9, '-')
204  */
205 #define AML_INT_NAMEPATH_OP (UINT16) 0x002d
206 #define AML_INT_NAMEDFIELD_OP (UINT16) 0x0030
207 #define AML_INT_RESERVEDFIELD_OP (UINT16) 0x0031
208 #define AML_INT_ACCESSFIELD_OP (UINT16) 0x0032
209 #define AML_INT_BYTELIST_OP (UINT16) 0x0033
210 #define AML_INT_METHODCALL_OP (UINT16) 0x0035
211 #define AML_INT_RETURN_VALUE_OP (UINT16) 0x0036
212 #define AML_INT_EVAL_SUBTREE_OP (UINT16) 0x0037
213 #define AML_INT_CONNECTION_OP (UINT16) 0x0038
214 #define AML_INT_EXTACCESSFIELD_OP (UINT16) 0x0039
215 
216 #define ARG_NONE 0x0
217 
218 /*
219  * Argument types for the AML Parser
220  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
221  * There can be up to 31 unique argument types
222  * Zero is reserved as end-of-list indicator
223  */
224 #define ARGP_BYTEDATA 0x01
225 #define ARGP_BYTELIST 0x02
226 #define ARGP_CHARLIST 0x03
227 #define ARGP_DATAOBJ 0x04
228 #define ARGP_DATAOBJLIST 0x05
229 #define ARGP_DWORDDATA 0x06
230 #define ARGP_FIELDLIST 0x07
231 #define ARGP_NAME 0x08
232 #define ARGP_NAMESTRING 0x09
233 #define ARGP_OBJLIST 0x0A
234 #define ARGP_PKGLENGTH 0x0B
235 #define ARGP_SUPERNAME 0x0C
236 #define ARGP_TARGET 0x0D
237 #define ARGP_TERMARG 0x0E
238 #define ARGP_TERMLIST 0x0F
239 #define ARGP_WORDDATA 0x10
240 #define ARGP_QWORDDATA 0x11
241 #define ARGP_SIMPLENAME 0x12 /* NameString | LocalTerm | ArgTerm */
242 #define ARGP_NAME_OR_REF 0x13 /* For ObjectType only */
243 #define ARGP_MAX 0x13
244 #define ARGP_COMMENT 0x14
245 
246 /*
247  * Resolved argument types for the AML Interpreter
248  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
249  * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
250  *
251  * Note1: These values are completely independent from the ACPI_TYPEs
252  * i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
253  *
254  * Note2: If and when 5 bits becomes insufficient, it would probably be best
255  * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
256  */
257 
258 /* Single, simple types */
259 
260 #define ARGI_ANYTYPE 0x01 /* Don't care */
261 #define ARGI_PACKAGE 0x02
262 #define ARGI_EVENT 0x03
263 #define ARGI_MUTEX 0x04
264 #define ARGI_DDBHANDLE 0x05
265 
266 /* Interchangeable types (via implicit conversion) */
267 
268 #define ARGI_INTEGER 0x06
269 #define ARGI_STRING 0x07
270 #define ARGI_BUFFER 0x08
271 #define ARGI_BUFFER_OR_STRING 0x09 /* Used by MID op only */
272 #define ARGI_COMPUTEDATA 0x0A /* Buffer, String, or Integer */
273 
274 /* Reference objects */
275 
276 #define ARGI_INTEGER_REF 0x0B
277 #define ARGI_OBJECT_REF 0x0C
278 #define ARGI_DEVICE_REF 0x0D
279 #define ARGI_REFERENCE 0x0E
280 #define ARGI_TARGETREF 0x0F /* Target, subject to implicit conversion */
281 #define ARGI_FIXED_TARGET 0x10 /* Target, no implicit conversion */
282 #define ARGI_SIMPLE_TARGET 0x11 /* Name, Local, Arg -- no implicit conversion */
283 #define ARGI_STORE_TARGET 0x12 /* Target for store is TARGETREF + package objects */
284 
285 /* Multiple/complex types */
286 
287 #define ARGI_DATAOBJECT 0x13 /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
288 #define ARGI_COMPLEXOBJ 0x14 /* Buffer, String, or package (Used by INDEX op only) */
289 #define ARGI_REF_OR_STRING 0x15 /* Reference or String (Used by DEREFOF op only) */
290 #define ARGI_REGION_OR_BUFFER 0x16 /* Used by LOAD op only */
291 #define ARGI_DATAREFOBJ 0x17
292 
293 /* Note: types above can expand to 0x1F maximum */
294 
295 #define ARGI_INVALID_OPCODE 0xFFFFFFFF
296 
297 
298 /*
299  * Some of the flags and types below are of the form:
300  *
301  * AML_FLAGS_EXEC_#A_#T,#R, or
302  * AML_TYPE_EXEC_#A_#T,#R where:
303  *
304  * #A is the number of required arguments
305  * #T is the number of target operands
306  * #R indicates whether there is a return value
307  *
308  * These types are used for the top-level dispatch of the AML
309  * opcode. They group similar operators that can share common
310  * front-end code before dispatch to the final code that implements
311  * the operator.
312  */
313 
314 /*
315  * Opcode information flags
316  */
317 #define AML_LOGICAL 0x0001
318 #define AML_LOGICAL_NUMERIC 0x0002
319 #define AML_MATH 0x0004
320 #define AML_CREATE 0x0008
321 #define AML_FIELD 0x0010
322 #define AML_DEFER 0x0020
323 #define AML_NAMED 0x0040
324 #define AML_NSNODE 0x0080
325 #define AML_NSOPCODE 0x0100
326 #define AML_NSOBJECT 0x0200
327 #define AML_HAS_RETVAL 0x0400
328 #define AML_HAS_TARGET 0x0800
329 #define AML_HAS_ARGS 0x1000
330 #define AML_CONSTANT 0x2000
331 #define AML_NO_OPERAND_RESOLVE 0x4000
332 
333 /* Convenient flag groupings of the flags above */
334 
335 #define AML_FLAGS_EXEC_0A_0T_1R AML_HAS_RETVAL
336 #define AML_FLAGS_EXEC_1A_0T_0R AML_HAS_ARGS /* Monadic1 */
337 #define AML_FLAGS_EXEC_1A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Monadic2 */
338 #define AML_FLAGS_EXEC_1A_1T_0R AML_HAS_ARGS | AML_HAS_TARGET
339 #define AML_FLAGS_EXEC_1A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Monadic2R */
340 #define AML_FLAGS_EXEC_2A_0T_0R AML_HAS_ARGS /* Dyadic1 */
341 #define AML_FLAGS_EXEC_2A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Dyadic2 */
342 #define AML_FLAGS_EXEC_2A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Dyadic2R */
343 #define AML_FLAGS_EXEC_2A_2T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
344 #define AML_FLAGS_EXEC_3A_0T_0R AML_HAS_ARGS
345 #define AML_FLAGS_EXEC_3A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
346 #define AML_FLAGS_EXEC_6A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL
347 
348 
349 /*
350  * The opcode Type is used in a dispatch table, do not change
351  * or add anything new without updating the table.
352  */
353 #define AML_TYPE_EXEC_0A_0T_1R 0x00 /* 0 Args, 0 Target, 1 RetVal */
354 #define AML_TYPE_EXEC_1A_0T_0R 0x01 /* 1 Args, 0 Target, 0 RetVal */
355 #define AML_TYPE_EXEC_1A_0T_1R 0x02 /* 1 Args, 0 Target, 1 RetVal */
356 #define AML_TYPE_EXEC_1A_1T_0R 0x03 /* 1 Args, 1 Target, 0 RetVal */
357 #define AML_TYPE_EXEC_1A_1T_1R 0x04 /* 1 Args, 1 Target, 1 RetVal */
358 #define AML_TYPE_EXEC_2A_0T_0R 0x05 /* 2 Args, 0 Target, 0 RetVal */
359 #define AML_TYPE_EXEC_2A_0T_1R 0x06 /* 2 Args, 0 Target, 1 RetVal */
360 #define AML_TYPE_EXEC_2A_1T_1R 0x07 /* 2 Args, 1 Target, 1 RetVal */
361 #define AML_TYPE_EXEC_2A_2T_1R 0x08 /* 2 Args, 2 Target, 1 RetVal */
362 #define AML_TYPE_EXEC_3A_0T_0R 0x09 /* 3 Args, 0 Target, 0 RetVal */
363 #define AML_TYPE_EXEC_3A_1T_1R 0x0A /* 3 Args, 1 Target, 1 RetVal */
364 #define AML_TYPE_EXEC_6A_0T_1R 0x0B /* 6 Args, 0 Target, 1 RetVal */
365 /* End of types used in dispatch table */
366 
367 #define AML_TYPE_LITERAL 0x0C
368 #define AML_TYPE_CONSTANT 0x0D
369 #define AML_TYPE_METHOD_ARGUMENT 0x0E
370 #define AML_TYPE_LOCAL_VARIABLE 0x0F
371 #define AML_TYPE_DATA_TERM 0x10
372 
373 /* Generic for an op that returns a value */
374 
375 #define AML_TYPE_METHOD_CALL 0x11
376 
377 /* Miscellaneous types */
378 
379 #define AML_TYPE_CREATE_FIELD 0x12
380 #define AML_TYPE_CREATE_OBJECT 0x13
381 #define AML_TYPE_CONTROL 0x14
382 #define AML_TYPE_NAMED_NO_OBJ 0x15
383 #define AML_TYPE_NAMED_FIELD 0x16
384 #define AML_TYPE_NAMED_SIMPLE 0x17
385 #define AML_TYPE_NAMED_COMPLEX 0x18
386 #define AML_TYPE_RETURN 0x19
387 #define AML_TYPE_UNDEFINED 0x1A
388 #define AML_TYPE_BOGUS 0x1B
389 
390 /* AML Package Length encodings */
391 
392 #define ACPI_AML_PACKAGE_TYPE1 0x40
393 #define ACPI_AML_PACKAGE_TYPE2 0x4000
394 #define ACPI_AML_PACKAGE_TYPE3 0x400000
395 #define ACPI_AML_PACKAGE_TYPE4 0x40000000
396 
397 /*
398  * Opcode classes
399  */
400 #define AML_CLASS_EXECUTE 0x00
401 #define AML_CLASS_CREATE 0x01
402 #define AML_CLASS_ARGUMENT 0x02
403 #define AML_CLASS_NAMED_OBJECT 0x03
404 #define AML_CLASS_CONTROL 0x04
405 #define AML_CLASS_ASCII 0x05
406 #define AML_CLASS_PREFIX 0x06
407 #define AML_CLASS_INTERNAL 0x07
408 #define AML_CLASS_RETURN_VALUE 0x08
409 #define AML_CLASS_METHOD_CALL 0x09
410 #define AML_CLASS_UNKNOWN 0x0A
411 
412 
413 /* Comparison operation codes for MatchOp operator */
414 
415 typedef enum
416 {
417  MATCH_MTR = 0,
418  MATCH_MEQ = 1,
419  MATCH_MLE = 2,
420  MATCH_MLT = 3,
421  MATCH_MGE = 4,
422  MATCH_MGT = 5
423 
424 } AML_MATCH_OPERATOR;
425 
426 #define MAX_MATCH_OPERATOR 5
427 
428 
429 /*
430  * FieldFlags
431  *
432  * This byte is extracted from the AML and includes three separate
433  * pieces of information about the field:
434  * 1) The field access type
435  * 2) The field update rule
436  * 3) The lock rule for the field
437  *
438  * Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
439  * 04 : LockRule (1 == Lock)
440  * 05 - 06 : UpdateRule
441  */
442 #define AML_FIELD_ACCESS_TYPE_MASK 0x0F
443 #define AML_FIELD_LOCK_RULE_MASK 0x10
444 #define AML_FIELD_UPDATE_RULE_MASK 0x60
445 
446 
447 /* 1) Field Access Types */
448 
449 typedef enum
450 {
451  AML_FIELD_ACCESS_ANY = 0x00,
452  AML_FIELD_ACCESS_BYTE = 0x01,
453  AML_FIELD_ACCESS_WORD = 0x02,
454  AML_FIELD_ACCESS_DWORD = 0x03,
455  AML_FIELD_ACCESS_QWORD = 0x04, /* ACPI 2.0 */
456  AML_FIELD_ACCESS_BUFFER = 0x05 /* ACPI 2.0 */
457 
458 } AML_ACCESS_TYPE;
459 
460 
461 /* 2) Field Lock Rules */
462 
463 typedef enum
464 {
465  AML_FIELD_LOCK_NEVER = 0x00,
466  AML_FIELD_LOCK_ALWAYS = 0x10
467 
468 } AML_LOCK_RULE;
469 
470 
471 /* 3) Field Update Rules */
472 
473 typedef enum
474 {
475  AML_FIELD_UPDATE_PRESERVE = 0x00,
476  AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
477  AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
478 
479 } AML_UPDATE_RULE;
480 
481 
482 /*
483  * Field Access Attributes.
484  * This byte is extracted from the AML via the
485  * AccessAs keyword
486  */
487 typedef enum
488 {
489  AML_FIELD_ATTRIB_QUICK = 0x02,
490  AML_FIELD_ATTRIB_SEND_RECEIVE = 0x04,
491  AML_FIELD_ATTRIB_BYTE = 0x06,
492  AML_FIELD_ATTRIB_WORD = 0x08,
493  AML_FIELD_ATTRIB_BLOCK = 0x0A,
494  AML_FIELD_ATTRIB_BYTES = 0x0B,
495  AML_FIELD_ATTRIB_PROCESS_CALL = 0x0C,
496  AML_FIELD_ATTRIB_BLOCK_PROCESS_CALL = 0x0D,
497  AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
498  AML_FIELD_ATTRIB_RAW_PROCESS_BYTES = 0x0F
499 
500 } AML_ACCESS_ATTRIBUTE;
501 
502 
503 /* Bit fields in the AML MethodFlags byte */
504 
505 #define AML_METHOD_ARG_COUNT 0x07
506 #define AML_METHOD_SERIALIZED 0x08
507 #define AML_METHOD_SYNC_LEVEL 0xF0
508 
509 
510 #endif /* __AMLCODE_H__ */
AML_ACCESS_TYPE
AML_ACCESS_TYPE
Definition: amlcode.h:449
AML_MATCH_OPERATOR
AML_MATCH_OPERATOR
Definition: amlcode.h:415
AML_UPDATE_RULE
AML_UPDATE_RULE
Definition: amlcode.h:473
AML_ACCESS_ATTRIBUTE
AML_ACCESS_ATTRIBUTE
Definition: amlcode.h:487
AML_LOCK_RULE
AML_LOCK_RULE
Definition: amlcode.h:463