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 - 2004, R. Byron Moore
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 MERCHANTIBILITY AND FITNESS FOR
36  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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
42  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43  * POSSIBILITY OF SUCH DAMAGES.
44  */
45 
46 #ifndef __AMLCODE_H__
47 #define __AMLCODE_H__
48 
49 /* primary opcodes */
50 
51 #define AML_NULL_CHAR               (u16) 0x00
52 
53 #define AML_ZERO_OP                 (u16) 0x00
54 #define AML_ONE_OP                  (u16) 0x01
55 #define AML_UNASSIGNED              (u16) 0x02
56 #define AML_ALIAS_OP                (u16) 0x06
57 #define AML_NAME_OP                 (u16) 0x08
58 #define AML_BYTE_OP                 (u16) 0x0a
59 #define AML_WORD_OP                 (u16) 0x0b
60 #define AML_DWORD_OP                (u16) 0x0c
61 #define AML_STRING_OP               (u16) 0x0d
62 #define AML_QWORD_OP                (u16) 0x0e     /* ACPI 2.0 */
63 #define AML_SCOPE_OP                (u16) 0x10
64 #define AML_BUFFER_OP               (u16) 0x11
65 #define AML_PACKAGE_OP              (u16) 0x12
66 #define AML_VAR_PACKAGE_OP          (u16) 0x13     /* ACPI 2.0 */
67 #define AML_METHOD_OP               (u16) 0x14
68 #define AML_DUAL_NAME_PREFIX        (u16) 0x2e
69 #define AML_MULTI_NAME_PREFIX_OP    (u16) 0x2f
70 #define AML_NAME_CHAR_SUBSEQ        (u16) 0x30
71 #define AML_NAME_CHAR_FIRST         (u16) 0x41
72 #define AML_OP_PREFIX               (u16) 0x5b
73 #define AML_ROOT_PREFIX             (u16) 0x5c
74 #define AML_PARENT_PREFIX           (u16) 0x5e
75 #define AML_LOCAL_OP                (u16) 0x60
76 #define AML_LOCAL0                  (u16) 0x60
77 #define AML_LOCAL1                  (u16) 0x61
78 #define AML_LOCAL2                  (u16) 0x62
79 #define AML_LOCAL3                  (u16) 0x63
80 #define AML_LOCAL4                  (u16) 0x64
81 #define AML_LOCAL5                  (u16) 0x65
82 #define AML_LOCAL6                  (u16) 0x66
83 #define AML_LOCAL7                  (u16) 0x67
84 #define AML_ARG_OP                  (u16) 0x68
85 #define AML_ARG0                    (u16) 0x68
86 #define AML_ARG1                    (u16) 0x69
87 #define AML_ARG2                    (u16) 0x6a
88 #define AML_ARG3                    (u16) 0x6b
89 #define AML_ARG4                    (u16) 0x6c
90 #define AML_ARG5                    (u16) 0x6d
91 #define AML_ARG6                    (u16) 0x6e
92 #define AML_STORE_OP                (u16) 0x70
93 #define AML_REF_OF_OP               (u16) 0x71
94 #define AML_ADD_OP                  (u16) 0x72
95 #define AML_CONCAT_OP               (u16) 0x73
96 #define AML_SUBTRACT_OP             (u16) 0x74
97 #define AML_INCREMENT_OP            (u16) 0x75
98 #define AML_DECREMENT_OP            (u16) 0x76
99 #define AML_MULTIPLY_OP             (u16) 0x77
100 #define AML_DIVIDE_OP               (u16) 0x78
101 #define AML_SHIFT_LEFT_OP           (u16) 0x79
102 #define AML_SHIFT_RIGHT_OP          (u16) 0x7a
103 #define AML_BIT_AND_OP              (u16) 0x7b
104 #define AML_BIT_NAND_OP             (u16) 0x7c
105 #define AML_BIT_OR_OP               (u16) 0x7d
106 #define AML_BIT_NOR_OP              (u16) 0x7e
107 #define AML_BIT_XOR_OP              (u16) 0x7f
108 #define AML_BIT_NOT_OP              (u16) 0x80
109 #define AML_FIND_SET_LEFT_BIT_OP    (u16) 0x81
110 #define AML_FIND_SET_RIGHT_BIT_OP   (u16) 0x82
111 #define AML_DEREF_OF_OP             (u16) 0x83
112 #define AML_CONCAT_RES_OP           (u16) 0x84     /* ACPI 2.0 */
113 #define AML_MOD_OP                  (u16) 0x85     /* ACPI 2.0 */
114 #define AML_NOTIFY_OP               (u16) 0x86
115 #define AML_SIZE_OF_OP              (u16) 0x87
116 #define AML_INDEX_OP                (u16) 0x88
117 #define AML_MATCH_OP                (u16) 0x89
118 #define AML_CREATE_DWORD_FIELD_OP   (u16) 0x8a
119 #define AML_CREATE_WORD_FIELD_OP    (u16) 0x8b
120 #define AML_CREATE_BYTE_FIELD_OP    (u16) 0x8c
121 #define AML_CREATE_BIT_FIELD_OP     (u16) 0x8d
122 #define AML_TYPE_OP                 (u16) 0x8e
123 #define AML_CREATE_QWORD_FIELD_OP   (u16) 0x8f     /* ACPI 2.0 */
124 #define AML_LAND_OP                 (u16) 0x90
125 #define AML_LOR_OP                  (u16) 0x91
126 #define AML_LNOT_OP                 (u16) 0x92
127 #define AML_LEQUAL_OP               (u16) 0x93
128 #define AML_LGREATER_OP             (u16) 0x94
129 #define AML_LLESS_OP                (u16) 0x95
130 #define AML_TO_BUFFER_OP            (u16) 0x96     /* ACPI 2.0 */
131 #define AML_TO_DECSTRING_OP         (u16) 0x97     /* ACPI 2.0 */
132 #define AML_TO_HEXSTRING_OP         (u16) 0x98     /* ACPI 2.0 */
133 #define AML_TO_INTEGER_OP           (u16) 0x99     /* ACPI 2.0 */
134 #define AML_TO_STRING_OP            (u16) 0x9c     /* ACPI 2.0 */
135 #define AML_COPY_OP                 (u16) 0x9d     /* ACPI 2.0 */
136 #define AML_MID_OP                  (u16) 0x9e     /* ACPI 2.0 */
137 #define AML_CONTINUE_OP             (u16) 0x9f     /* ACPI 2.0 */
138 #define AML_IF_OP                   (u16) 0xa0
139 #define AML_ELSE_OP                 (u16) 0xa1
140 #define AML_WHILE_OP                (u16) 0xa2
141 #define AML_NOOP_OP                 (u16) 0xa3
142 #define AML_RETURN_OP               (u16) 0xa4
143 #define AML_BREAK_OP                (u16) 0xa5
144 #define AML_BREAK_POINT_OP          (u16) 0xcc
145 #define AML_ONES_OP                 (u16) 0xff
146 
147 /* prefixed opcodes */
148 
149 #define AML_EXTOP                   (u16) 0x005b
150 
151 
152 #define AML_MUTEX_OP                (u16) 0x5b01
153 #define AML_EVENT_OP                (u16) 0x5b02
154 #define AML_SHIFT_RIGHT_BIT_OP      (u16) 0x5b10
155 #define AML_SHIFT_LEFT_BIT_OP       (u16) 0x5b11
156 #define AML_COND_REF_OF_OP          (u16) 0x5b12
157 #define AML_CREATE_FIELD_OP         (u16) 0x5b13
158 #define AML_LOAD_TABLE_OP           (u16) 0x5b1f     /* ACPI 2.0 */
159 #define AML_LOAD_OP                 (u16) 0x5b20
160 #define AML_STALL_OP                (u16) 0x5b21
161 #define AML_SLEEP_OP                (u16) 0x5b22
162 #define AML_ACQUIRE_OP              (u16) 0x5b23
163 #define AML_SIGNAL_OP               (u16) 0x5b24
164 #define AML_WAIT_OP                 (u16) 0x5b25
165 #define AML_RESET_OP                (u16) 0x5b26
166 #define AML_RELEASE_OP              (u16) 0x5b27
167 #define AML_FROM_BCD_OP             (u16) 0x5b28
168 #define AML_TO_BCD_OP               (u16) 0x5b29
169 #define AML_UNLOAD_OP               (u16) 0x5b2a
170 #define AML_REVISION_OP             (u16) 0x5b30
171 #define AML_DEBUG_OP                (u16) 0x5b31
172 #define AML_FATAL_OP                (u16) 0x5b32
173 #define AML_REGION_OP               (u16) 0x5b80
174 #define AML_FIELD_OP                (u16) 0x5b81
175 #define AML_DEVICE_OP               (u16) 0x5b82
176 #define AML_PROCESSOR_OP            (u16) 0x5b83
177 #define AML_POWER_RES_OP            (u16) 0x5b84
178 #define AML_THERMAL_ZONE_OP         (u16) 0x5b85
179 #define AML_INDEX_FIELD_OP          (u16) 0x5b86
180 #define AML_BANK_FIELD_OP           (u16) 0x5b87
181 #define AML_DATA_REGION_OP          (u16) 0x5b88     /* ACPI 2.0 */
182 
183 
184 /* Bogus opcodes (they are actually two separate opcodes) */
185 
186 #define AML_LGREATEREQUAL_OP        (u16) 0x9295
187 #define AML_LLESSEQUAL_OP           (u16) 0x9294
188 #define AML_LNOTEQUAL_OP            (u16) 0x9293
189 
190 
191 /*
192  * Internal opcodes
193  * Use only "Unknown" AML opcodes, don't attempt to use
194  * any valid ACPI ASCII values (A-Z, 0-9, '-')
195  */
196 
197 #define AML_INT_NAMEPATH_OP         (u16) 0x002d
198 #define AML_INT_NAMEDFIELD_OP       (u16) 0x0030
199 #define AML_INT_RESERVEDFIELD_OP    (u16) 0x0031
200 #define AML_INT_ACCESSFIELD_OP      (u16) 0x0032
201 #define AML_INT_BYTELIST_OP         (u16) 0x0033
202 #define AML_INT_STATICSTRING_OP     (u16) 0x0034
203 #define AML_INT_METHODCALL_OP       (u16) 0x0035
204 #define AML_INT_RETURN_VALUE_OP     (u16) 0x0036
205 #define AML_INT_EVAL_SUBTREE_OP     (u16) 0x0037
206 
207 
208 #define ARG_NONE                    0x0
209 
210 /*
211  * Argument types for the AML Parser
212  * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
213  * There can be up to 31 unique argument types
214  * Zero is reserved as end-of-list indicator
215  */
216 
217 #define ARGP_BYTEDATA               0x01
218 #define ARGP_BYTELIST               0x02
219 #define ARGP_CHARLIST               0x03
220 #define ARGP_DATAOBJ                0x04
221 #define ARGP_DATAOBJLIST            0x05
222 #define ARGP_DWORDDATA              0x06
223 #define ARGP_FIELDLIST              0x07
224 #define ARGP_NAME                   0x08
225 #define ARGP_NAMESTRING             0x09
226 #define ARGP_OBJLIST                0x0A
227 #define ARGP_PKGLENGTH              0x0B
228 #define ARGP_SUPERNAME              0x0C
229 #define ARGP_TARGET                 0x0D
230 #define ARGP_TERMARG                0x0E
231 #define ARGP_TERMLIST               0x0F
232 #define ARGP_WORDDATA               0x10
233 #define ARGP_QWORDDATA              0x11
234 #define ARGP_SIMPLENAME             0x12
235 
236 /*
237  * Resolved argument types for the AML Interpreter
238  * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
239  * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
240  *
241  * Note1: These values are completely independent from the ACPI_TYPEs
242  *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
243  *
244  * Note2: If and when 5 bits becomes insufficient, it would probably be best
245  * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
246  */
247 
248 /* Single, simple types */
249 
250 #define ARGI_ANYTYPE                0x01    /* Don't care */
251 #define ARGI_PACKAGE                0x02
252 #define ARGI_EVENT                  0x03
253 #define ARGI_MUTEX                  0x04
254 #define ARGI_DDBHANDLE              0x05
255 
256 /* Interchangeable types (via implicit conversion) */
257 
258 #define ARGI_INTEGER                0x06
259 #define ARGI_STRING                 0x07
260 #define ARGI_BUFFER                 0x08
261 #define ARGI_BUFFER_OR_STRING       0x09    /* Used by MID op only */
262 #define ARGI_COMPUTEDATA            0x0A    /* Buffer, String, or Integer */
263 
264 /* Reference objects */
265 
266 #define ARGI_INTEGER_REF            0x0B
267 #define ARGI_OBJECT_REF             0x0C
268 #define ARGI_DEVICE_REF             0x0D
269 #define ARGI_REFERENCE              0x0E
270 #define ARGI_TARGETREF              0x0F    /* Target, subject to implicit conversion */
271 #define ARGI_FIXED_TARGET           0x10    /* Target, no implicit conversion */
272 #define ARGI_SIMPLE_TARGET          0x11    /* Name, Local, Arg -- no implicit conversion */
273 
274 /* Multiple/complex types */
275 
276 #define ARGI_DATAOBJECT             0x12    /* Buffer, String, package or reference to a Node - Used only by size_of operator*/
277 #define ARGI_COMPLEXOBJ             0x13    /* Buffer, String, or package (Used by INDEX op only) */
278 #define ARGI_REF_OR_STRING          0x14    /* Reference or String (Used by DEREFOF op only) */
279 #define ARGI_REGION_OR_FIELD        0x15    /* Used by LOAD op only */
280 
281 /* Note: types above can expand to 0x1F maximum */
282 
283 #define ARGI_INVALID_OPCODE         0xFFFFFFFF
284 
285 
286 /*
287  * hash offsets
288  */
289 #define AML_EXTOP_HASH_OFFSET       22
290 #define AML_LNOT_HASH_OFFSET        19
291 
292 
293 /*
294  * opcode groups and types
295  */
296 
297 #define OPGRP_NAMED                 0x01
298 #define OPGRP_FIELD                 0x02
299 #define OPGRP_BYTELIST              0x04
300 
301 
302 /*
303  * Opcode information
304  */
305 
306 /* Opcode flags */
307 
308 #define AML_HAS_ARGS                0x0800
309 #define AML_HAS_TARGET              0x0400
310 #define AML_HAS_RETVAL              0x0200
311 #define AML_NSOBJECT                0x0100
312 #define AML_NSOPCODE                0x0080
313 #define AML_NSNODE                  0x0040
314 #define AML_NAMED                   0x0020
315 #define AML_DEFER                   0x0010
316 #define AML_FIELD                   0x0008
317 #define AML_CREATE                  0x0004
318 #define AML_MATH                    0x0002
319 #define AML_LOGICAL                 0x0001
320 #define AML_CONSTANT                0x1000
321 
322 /* Convenient flag groupings */
323 
324 #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS                                   /* Monadic1  */
325 #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Monadic2  */
326 #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
327 #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* monadic2_r */
328 #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS                                   /* Dyadic1   */
329 #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Dyadic2   */
330 #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* dyadic2_r  */
331 #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
332 #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
333 #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
334 #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
335 
336 
337 /*
338  * The opcode Type is used in a dispatch table, do not change
339  * without updating the table.
340  */
341 #define AML_TYPE_EXEC_1A_0T_0R      0x00 /* Monadic1  */
342 #define AML_TYPE_EXEC_1A_0T_1R      0x01 /* Monadic2  */
343 #define AML_TYPE_EXEC_1A_1T_0R      0x02
344 #define AML_TYPE_EXEC_1A_1T_1R      0x03 /* monadic2_r */
345 #define AML_TYPE_EXEC_2A_0T_0R      0x04 /* Dyadic1   */
346 #define AML_TYPE_EXEC_2A_0T_1R      0x05 /* Dyadic2   */
347 #define AML_TYPE_EXEC_2A_1T_1R      0x06 /* dyadic2_r  */
348 #define AML_TYPE_EXEC_2A_2T_1R      0x07
349 #define AML_TYPE_EXEC_3A_0T_0R      0x08
350 #define AML_TYPE_EXEC_3A_1T_1R      0x09
351 #define AML_TYPE_EXEC_6A_0T_1R      0x0A
352 /* End of types used in dispatch table */
353 
354 #define AML_TYPE_LITERAL            0x0B
355 #define AML_TYPE_CONSTANT           0x0C
356 #define AML_TYPE_METHOD_ARGUMENT    0x0D
357 #define AML_TYPE_LOCAL_VARIABLE     0x0E
358 #define AML_TYPE_DATA_TERM          0x0F
359 
360 /* Generic for an op that returns a value */
361 
362 #define AML_TYPE_METHOD_CALL        0x10
363 
364 /* Misc */
365 
366 #define AML_TYPE_CREATE_FIELD       0x11
367 #define AML_TYPE_CREATE_OBJECT      0x12
368 #define AML_TYPE_CONTROL            0x13
369 #define AML_TYPE_NAMED_NO_OBJ       0x14
370 #define AML_TYPE_NAMED_FIELD        0x15
371 #define AML_TYPE_NAMED_SIMPLE       0x16
372 #define AML_TYPE_NAMED_COMPLEX      0x17
373 #define AML_TYPE_RETURN             0x18
374 
375 #define AML_TYPE_UNDEFINED          0x19
376 #define AML_TYPE_BOGUS              0x1A
377 
378 
379 /*
380  * Opcode classes
381  */
382 #define AML_CLASS_EXECUTE           0x00
383 #define AML_CLASS_CREATE            0x01
384 #define AML_CLASS_ARGUMENT          0x02
385 #define AML_CLASS_NAMED_OBJECT      0x03
386 #define AML_CLASS_CONTROL           0x04
387 #define AML_CLASS_ASCII             0x05
388 #define AML_CLASS_PREFIX            0x06
389 #define AML_CLASS_INTERNAL          0x07
390 #define AML_CLASS_RETURN_VALUE      0x08
391 #define AML_CLASS_METHOD_CALL       0x09
392 #define AML_CLASS_UNKNOWN           0x0A
393 
394 
395 /* Predefined Operation Region space_iDs */
396 
397 typedef enum
398 {
399 	REGION_MEMORY                   = 0,
400 	REGION_IO,
401 	REGION_PCI_CONFIG,
402 	REGION_EC,
403 	REGION_SMBUS,
404 	REGION_CMOS,
405 	REGION_PCI_BAR,
406 	REGION_DATA_TABLE,              /* Internal use only */
407 	REGION_FIXED_HW                 = 0x7F
408 
409 } AML_REGION_TYPES;
410 
411 
412 /* Comparison operation codes for match_op operator */
413 
414 typedef enum
415 {
416 	MATCH_MTR                       = 0,
417 	MATCH_MEQ                       = 1,
418 	MATCH_MLE                       = 2,
419 	MATCH_MLT                       = 3,
420 	MATCH_MGE                       = 4,
421 	MATCH_MGT                       = 5
422 
423 } AML_MATCH_OPERATOR;
424 
425 #define MAX_MATCH_OPERATOR          5
426 
427 
428 /*
429  * field_flags
430  *
431  * This byte is extracted from the AML and includes three separate
432  * pieces of information about the field:
433  * 1) The field access type
434  * 2) The field update rule
435  * 3) The lock rule for the field
436  *
437  * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
438  *      04      : lock_rule (1 == Lock)
439  *      05 - 06 : update_rule
440  */
441 #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
442 #define AML_FIELD_LOCK_RULE_MASK    0x10
443 #define AML_FIELD_UPDATE_RULE_MASK  0x60
444 
445 
446 /* 1) Field Access Types */
447 
448 typedef enum
449 {
450 	AML_FIELD_ACCESS_ANY            = 0x00,
451 	AML_FIELD_ACCESS_BYTE           = 0x01,
452 	AML_FIELD_ACCESS_WORD           = 0x02,
453 	AML_FIELD_ACCESS_DWORD          = 0x03,
454 	AML_FIELD_ACCESS_QWORD          = 0x04,    /* ACPI 2.0 */
455 	AML_FIELD_ACCESS_BUFFER         = 0x05     /* ACPI 2.0 */
456 
457 } AML_ACCESS_TYPE;
458 
459 
460 /* 2) Field Lock Rules */
461 
462 typedef enum
463 {
464 	AML_FIELD_LOCK_NEVER            = 0x00,
465 	AML_FIELD_LOCK_ALWAYS           = 0x10
466 
467 } AML_LOCK_RULE;
468 
469 
470 /* 3) Field Update Rules */
471 
472 typedef enum
473 {
474 	AML_FIELD_UPDATE_PRESERVE       = 0x00,
475 	AML_FIELD_UPDATE_WRITE_AS_ONES  = 0x20,
476 	AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
477 
478 } AML_UPDATE_RULE;
479 
480 
481 /*
482  * Field Access Attributes.
483  * This byte is extracted from the AML via the
484  * access_as keyword
485  */
486 typedef enum
487 {
488 	AML_FIELD_ATTRIB_SMB_QUICK      = 0x02,
489 	AML_FIELD_ATTRIB_SMB_SEND_RCV   = 0x04,
490 	AML_FIELD_ATTRIB_SMB_BYTE       = 0x06,
491 	AML_FIELD_ATTRIB_SMB_WORD       = 0x08,
492 	AML_FIELD_ATTRIB_SMB_BLOCK      = 0x0A,
493 	AML_FIELD_ATTRIB_SMB_WORD_CALL  = 0x0C,
494 	AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
495 
496 } AML_ACCESS_ATTRIBUTE;
497 
498 
499 /* Bit fields in method_flags byte */
500 
501 #define AML_METHOD_ARG_COUNT        0x07
502 #define AML_METHOD_SERIALIZED       0x08
503 #define AML_METHOD_SYNCH_LEVEL      0xF0
504 
505 /* METHOD_FLAGS_ARG_COUNT is not used internally, define additional flags */
506 
507 #define AML_METHOD_INTERNAL_ONLY    0x01
508 #define AML_METHOD_RESERVED1        0x02
509 #define AML_METHOD_RESERVED2        0x04
510 
511 
512 #endif /* __AMLCODE_H__ */
513