1  /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2  /******************************************************************************
3   *
4   * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
5   *                   Declarations and definitions contained herein are derived
6   *                   directly from the ACPI specification.
7   *
8   * Copyright (C) 2000 - 2023, Intel Corp.
9   *
10   *****************************************************************************/
11  
12  #ifndef __AMLCODE_H__
13  #define __AMLCODE_H__
14  
15  /* primary opcodes */
16  
17  #define AML_ZERO_OP                 (u16) 0x00
18  #define AML_ONE_OP                  (u16) 0x01
19  #define AML_ALIAS_OP                (u16) 0x06
20  #define AML_NAME_OP                 (u16) 0x08
21  #define AML_BYTE_OP                 (u16) 0x0a
22  #define AML_WORD_OP                 (u16) 0x0b
23  #define AML_DWORD_OP                (u16) 0x0c
24  #define AML_STRING_OP               (u16) 0x0d
25  #define AML_QWORD_OP                (u16) 0x0e	/* ACPI 2.0 */
26  #define AML_SCOPE_OP                (u16) 0x10
27  #define AML_BUFFER_OP               (u16) 0x11
28  #define AML_PACKAGE_OP              (u16) 0x12
29  #define AML_VARIABLE_PACKAGE_OP     (u16) 0x13	/* ACPI 2.0 */
30  #define AML_METHOD_OP               (u16) 0x14
31  #define AML_EXTERNAL_OP             (u16) 0x15	/* ACPI 6.0 */
32  #define AML_DUAL_NAME_PREFIX        (u16) 0x2e
33  #define AML_MULTI_NAME_PREFIX       (u16) 0x2f
34  #define AML_EXTENDED_PREFIX         (u16) 0x5b
35  #define AML_ROOT_PREFIX             (u16) 0x5c
36  #define AML_PARENT_PREFIX           (u16) 0x5e
37  #define AML_FIRST_LOCAL_OP          (u16) 0x60	/* Used for Local op # calculations */
38  #define AML_LOCAL0                  (u16) 0x60
39  #define AML_LOCAL1                  (u16) 0x61
40  #define AML_LOCAL2                  (u16) 0x62
41  #define AML_LOCAL3                  (u16) 0x63
42  #define AML_LOCAL4                  (u16) 0x64
43  #define AML_LOCAL5                  (u16) 0x65
44  #define AML_LOCAL6                  (u16) 0x66
45  #define AML_LOCAL7                  (u16) 0x67
46  #define AML_FIRST_ARG_OP            (u16) 0x68	/* Used for Arg op # calculations */
47  #define AML_ARG0                    (u16) 0x68
48  #define AML_ARG1                    (u16) 0x69
49  #define AML_ARG2                    (u16) 0x6a
50  #define AML_ARG3                    (u16) 0x6b
51  #define AML_ARG4                    (u16) 0x6c
52  #define AML_ARG5                    (u16) 0x6d
53  #define AML_ARG6                    (u16) 0x6e
54  #define AML_STORE_OP                (u16) 0x70
55  #define AML_REF_OF_OP               (u16) 0x71
56  #define AML_ADD_OP                  (u16) 0x72
57  #define AML_CONCATENATE_OP          (u16) 0x73
58  #define AML_SUBTRACT_OP             (u16) 0x74
59  #define AML_INCREMENT_OP            (u16) 0x75
60  #define AML_DECREMENT_OP            (u16) 0x76
61  #define AML_MULTIPLY_OP             (u16) 0x77
62  #define AML_DIVIDE_OP               (u16) 0x78
63  #define AML_SHIFT_LEFT_OP           (u16) 0x79
64  #define AML_SHIFT_RIGHT_OP          (u16) 0x7a
65  #define AML_BIT_AND_OP              (u16) 0x7b
66  #define AML_BIT_NAND_OP             (u16) 0x7c
67  #define AML_BIT_OR_OP               (u16) 0x7d
68  #define AML_BIT_NOR_OP              (u16) 0x7e
69  #define AML_BIT_XOR_OP              (u16) 0x7f
70  #define AML_BIT_NOT_OP              (u16) 0x80
71  #define AML_FIND_SET_LEFT_BIT_OP    (u16) 0x81
72  #define AML_FIND_SET_RIGHT_BIT_OP   (u16) 0x82
73  #define AML_DEREF_OF_OP             (u16) 0x83
74  #define AML_CONCATENATE_TEMPLATE_OP (u16) 0x84	/* ACPI 2.0 */
75  #define AML_MOD_OP                  (u16) 0x85	/* ACPI 2.0 */
76  #define AML_NOTIFY_OP               (u16) 0x86
77  #define AML_SIZE_OF_OP              (u16) 0x87
78  #define AML_INDEX_OP                (u16) 0x88
79  #define AML_MATCH_OP                (u16) 0x89
80  #define AML_CREATE_DWORD_FIELD_OP   (u16) 0x8a
81  #define AML_CREATE_WORD_FIELD_OP    (u16) 0x8b
82  #define AML_CREATE_BYTE_FIELD_OP    (u16) 0x8c
83  #define AML_CREATE_BIT_FIELD_OP     (u16) 0x8d
84  #define AML_OBJECT_TYPE_OP          (u16) 0x8e
85  #define AML_CREATE_QWORD_FIELD_OP   (u16) 0x8f	/* ACPI 2.0 */
86  #define AML_LOGICAL_AND_OP          (u16) 0x90
87  #define AML_LOGICAL_OR_OP           (u16) 0x91
88  #define AML_LOGICAL_NOT_OP          (u16) 0x92
89  #define AML_LOGICAL_EQUAL_OP        (u16) 0x93
90  #define AML_LOGICAL_GREATER_OP      (u16) 0x94
91  #define AML_LOGICAL_LESS_OP         (u16) 0x95
92  #define AML_TO_BUFFER_OP            (u16) 0x96	/* ACPI 2.0 */
93  #define AML_TO_DECIMAL_STRING_OP    (u16) 0x97	/* ACPI 2.0 */
94  #define AML_TO_HEX_STRING_OP        (u16) 0x98	/* ACPI 2.0 */
95  #define AML_TO_INTEGER_OP           (u16) 0x99	/* ACPI 2.0 */
96  #define AML_TO_STRING_OP            (u16) 0x9c	/* ACPI 2.0 */
97  #define AML_COPY_OBJECT_OP          (u16) 0x9d	/* ACPI 2.0 */
98  #define AML_MID_OP                  (u16) 0x9e	/* ACPI 2.0 */
99  #define AML_CONTINUE_OP             (u16) 0x9f	/* ACPI 2.0 */
100  #define AML_IF_OP                   (u16) 0xa0
101  #define AML_ELSE_OP                 (u16) 0xa1
102  #define AML_WHILE_OP                (u16) 0xa2
103  #define AML_NOOP_OP                 (u16) 0xa3
104  #define AML_RETURN_OP               (u16) 0xa4
105  #define AML_BREAK_OP                (u16) 0xa5
106  #define AML_COMMENT_OP              (u16) 0xa9
107  #define AML_BREAKPOINT_OP          (u16) 0xcc
108  #define AML_ONES_OP                 (u16) 0xff
109  
110  /*
111   * Combination opcodes (actually two one-byte opcodes)
112   * Used by the disassembler and iASL compiler
113   */
114  #define AML_LOGICAL_GREATER_EQUAL_OP (u16) 0x9295	/* LNot (LLess) */
115  #define AML_LOGICAL_LESS_EQUAL_OP    (u16) 0x9294	/* LNot (LGreater) */
116  #define AML_LOGICAL_NOT_EQUAL_OP     (u16) 0x9293	/* LNot (LEqual) */
117  
118  /* Prefixed (2-byte) opcodes (with AML_EXTENDED_PREFIX) */
119  
120  #define AML_EXTENDED_OPCODE         (u16) 0x5b00	/* Prefix for 2-byte opcodes */
121  
122  #define AML_MUTEX_OP                (u16) 0x5b01
123  #define AML_EVENT_OP                (u16) 0x5b02
124  #define AML_SHIFT_RIGHT_BIT_OP      (u16) 0x5b10	/* Obsolete, not in ACPI spec */
125  #define AML_SHIFT_LEFT_BIT_OP       (u16) 0x5b11	/* Obsolete, not in ACPI spec */
126  #define AML_CONDITIONAL_REF_OF_OP   (u16) 0x5b12
127  #define AML_CREATE_FIELD_OP         (u16) 0x5b13
128  #define AML_LOAD_TABLE_OP           (u16) 0x5b1f	/* ACPI 2.0 */
129  #define AML_LOAD_OP                 (u16) 0x5b20
130  #define AML_STALL_OP                (u16) 0x5b21
131  #define AML_SLEEP_OP                (u16) 0x5b22
132  #define AML_ACQUIRE_OP              (u16) 0x5b23
133  #define AML_SIGNAL_OP               (u16) 0x5b24
134  #define AML_WAIT_OP                 (u16) 0x5b25
135  #define AML_RESET_OP                (u16) 0x5b26
136  #define AML_RELEASE_OP              (u16) 0x5b27
137  #define AML_FROM_BCD_OP             (u16) 0x5b28
138  #define AML_TO_BCD_OP               (u16) 0x5b29
139  #define AML_UNLOAD_OP               (u16) 0x5b2a
140  #define AML_REVISION_OP             (u16) 0x5b30
141  #define AML_DEBUG_OP                (u16) 0x5b31
142  #define AML_FATAL_OP                (u16) 0x5b32
143  #define AML_TIMER_OP                (u16) 0x5b33	/* ACPI 3.0 */
144  #define AML_REGION_OP               (u16) 0x5b80
145  #define AML_FIELD_OP                (u16) 0x5b81
146  #define AML_DEVICE_OP               (u16) 0x5b82
147  #define AML_PROCESSOR_OP            (u16) 0x5b83
148  #define AML_POWER_RESOURCE_OP       (u16) 0x5b84
149  #define AML_THERMAL_ZONE_OP         (u16) 0x5b85
150  #define AML_INDEX_FIELD_OP          (u16) 0x5b86
151  #define AML_BANK_FIELD_OP           (u16) 0x5b87
152  #define AML_DATA_REGION_OP          (u16) 0x5b88	/* ACPI 2.0 */
153  
154  /*
155   * Opcodes for "Field" operators
156   */
157  #define AML_FIELD_OFFSET_OP         (u8) 0x00
158  #define AML_FIELD_ACCESS_OP         (u8) 0x01
159  #define AML_FIELD_CONNECTION_OP     (u8) 0x02	/* ACPI 5.0 */
160  #define AML_FIELD_EXT_ACCESS_OP     (u8) 0x03	/* ACPI 5.0 */
161  
162  /*
163   * Internal opcodes
164   * Use only "Unknown" AML opcodes, don't attempt to use
165   * any valid ACPI ASCII values (A-Z, 0-9, '-')
166   */
167  #define AML_INT_NAMEPATH_OP         (u16) 0x002d
168  #define AML_INT_NAMEDFIELD_OP       (u16) 0x0030
169  #define AML_INT_RESERVEDFIELD_OP    (u16) 0x0031
170  #define AML_INT_ACCESSFIELD_OP      (u16) 0x0032
171  #define AML_INT_BYTELIST_OP         (u16) 0x0033
172  #define AML_INT_METHODCALL_OP       (u16) 0x0035
173  #define AML_INT_RETURN_VALUE_OP     (u16) 0x0036
174  #define AML_INT_EVAL_SUBTREE_OP     (u16) 0x0037
175  #define AML_INT_CONNECTION_OP       (u16) 0x0038
176  #define AML_INT_EXTACCESSFIELD_OP   (u16) 0x0039
177  
178  #define ARG_NONE                    0x0
179  
180  /*
181   * Argument types for the AML Parser
182   * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
183   * There can be up to 31 unique argument types
184   * Zero is reserved as end-of-list indicator
185   */
186  #define ARGP_BYTEDATA               0x01
187  #define ARGP_BYTELIST               0x02
188  #define ARGP_CHARLIST               0x03
189  #define ARGP_DATAOBJ                0x04
190  #define ARGP_DATAOBJLIST            0x05
191  #define ARGP_DWORDDATA              0x06
192  #define ARGP_FIELDLIST              0x07
193  #define ARGP_NAME                   0x08
194  #define ARGP_NAMESTRING             0x09
195  #define ARGP_OBJLIST                0x0A
196  #define ARGP_PKGLENGTH              0x0B
197  #define ARGP_SUPERNAME              0x0C
198  #define ARGP_TARGET                 0x0D
199  #define ARGP_TERMARG                0x0E
200  #define ARGP_TERMLIST               0x0F
201  #define ARGP_WORDDATA               0x10
202  #define ARGP_QWORDDATA              0x11
203  #define ARGP_SIMPLENAME             0x12	/* name_string | local_term | arg_term */
204  #define ARGP_NAME_OR_REF            0x13	/* For object_type only */
205  #define ARGP_MAX                    0x13
206  #define ARGP_COMMENT                0x14
207  
208  /*
209   * Resolved argument types for the AML Interpreter
210   * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
211   * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
212   *
213   * Note1: These values are completely independent from the ACPI_TYPEs
214   *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
215   *
216   * Note2: If and when 5 bits becomes insufficient, it would probably be best
217   * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
218   */
219  
220  /* Single, simple types */
221  
222  #define ARGI_ANYTYPE                0x01	/* Don't care */
223  #define ARGI_PACKAGE                0x02
224  #define ARGI_EVENT                  0x03
225  #define ARGI_MUTEX                  0x04
226  #define ARGI_DDBHANDLE              0x05
227  
228  /* Interchangeable types (via implicit conversion) */
229  
230  #define ARGI_INTEGER                0x06
231  #define ARGI_STRING                 0x07
232  #define ARGI_BUFFER                 0x08
233  #define ARGI_BUFFER_OR_STRING       0x09	/* Used by MID op only */
234  #define ARGI_COMPUTEDATA            0x0A	/* Buffer, String, or Integer */
235  
236  /* Reference objects */
237  
238  #define ARGI_INTEGER_REF            0x0B
239  #define ARGI_OBJECT_REF             0x0C
240  #define ARGI_DEVICE_REF             0x0D
241  #define ARGI_REFERENCE              0x0E
242  #define ARGI_TARGETREF              0x0F	/* Target, subject to implicit conversion */
243  #define ARGI_FIXED_TARGET           0x10	/* Target, no implicit conversion */
244  #define ARGI_SIMPLE_TARGET          0x11	/* Name, Local, Arg -- no implicit conversion */
245  #define ARGI_STORE_TARGET           0x12	/* Target for store is TARGETREF + package objects */
246  
247  /* Multiple/complex types */
248  
249  #define ARGI_DATAOBJECT             0x13	/* Buffer, String, package or reference to a node - Used only by size_of operator */
250  #define ARGI_COMPLEXOBJ             0x14	/* Buffer, String, or package (Used by INDEX op only) */
251  #define ARGI_REF_OR_STRING          0x15	/* Reference or String (Used by DEREFOF op only) */
252  #define ARGI_REGION_OR_BUFFER       0x16	/* Used by LOAD op only */
253  #define ARGI_DATAREFOBJ             0x17
254  
255  /* Note: types above can expand to 0x1F maximum */
256  
257  #define ARGI_INVALID_OPCODE         0xFFFFFFFF
258  
259  /*
260   * Some of the flags and types below are of the form:
261   *
262   * AML_FLAGS_EXEC_#A_#T,#R, or
263   * AML_TYPE_EXEC_#A_#T,#R where:
264   *
265   *      #A is the number of required arguments
266   *      #T is the number of target operands
267   *      #R indicates whether there is a return value
268   *
269   * These types are used for the top-level dispatch of the AML
270   * opcode. They group similar operators that can share common
271   * front-end code before dispatch to the final code that implements
272   * the operator.
273   */
274  
275  /*
276   * Opcode information flags
277   */
278  #define AML_LOGICAL                 0x0001
279  #define AML_LOGICAL_NUMERIC         0x0002
280  #define AML_MATH                    0x0004
281  #define AML_CREATE                  0x0008
282  #define AML_FIELD                   0x0010
283  #define AML_DEFER                   0x0020
284  #define AML_NAMED                   0x0040
285  #define AML_NSNODE                  0x0080
286  #define AML_NSOPCODE                0x0100
287  #define AML_NSOBJECT                0x0200
288  #define AML_HAS_RETVAL              0x0400
289  #define AML_HAS_TARGET              0x0800
290  #define AML_HAS_ARGS                0x1000
291  #define AML_CONSTANT                0x2000
292  #define AML_NO_OPERAND_RESOLVE      0x4000
293  
294  /* Convenient flag groupings of the flags above */
295  
296  #define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
297  #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS	/* Monadic1  */
298  #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL	/* Monadic2  */
299  #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
300  #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL	/* monadic2_r */
301  #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS	/* Dyadic1   */
302  #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL	/* Dyadic2   */
303  #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL	/* dyadic2_r  */
304  #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
305  #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
306  #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
307  #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
308  
309  /*
310   * The opcode Type is used in a dispatch table, do not change
311   * or add anything new without updating the table.
312   */
313  #define AML_TYPE_EXEC_0A_0T_1R      0x00	/* 0 Args, 0 Target, 1 ret_val */
314  #define AML_TYPE_EXEC_1A_0T_0R      0x01	/* 1 Args, 0 Target, 0 ret_val */
315  #define AML_TYPE_EXEC_1A_0T_1R      0x02	/* 1 Args, 0 Target, 1 ret_val */
316  #define AML_TYPE_EXEC_1A_1T_0R      0x03	/* 1 Args, 1 Target, 0 ret_val */
317  #define AML_TYPE_EXEC_1A_1T_1R      0x04	/* 1 Args, 1 Target, 1 ret_val */
318  #define AML_TYPE_EXEC_2A_0T_0R      0x05	/* 2 Args, 0 Target, 0 ret_val */
319  #define AML_TYPE_EXEC_2A_0T_1R      0x06	/* 2 Args, 0 Target, 1 ret_val */
320  #define AML_TYPE_EXEC_2A_1T_1R      0x07	/* 2 Args, 1 Target, 1 ret_val */
321  #define AML_TYPE_EXEC_2A_2T_1R      0x08	/* 2 Args, 2 Target, 1 ret_val */
322  #define AML_TYPE_EXEC_3A_0T_0R      0x09	/* 3 Args, 0 Target, 0 ret_val */
323  #define AML_TYPE_EXEC_3A_1T_1R      0x0A	/* 3 Args, 1 Target, 1 ret_val */
324  #define AML_TYPE_EXEC_6A_0T_1R      0x0B	/* 6 Args, 0 Target, 1 ret_val */
325  /* End of types used in dispatch table */
326  
327  #define AML_TYPE_LITERAL            0x0C
328  #define AML_TYPE_CONSTANT           0x0D
329  #define AML_TYPE_METHOD_ARGUMENT    0x0E
330  #define AML_TYPE_LOCAL_VARIABLE     0x0F
331  #define AML_TYPE_DATA_TERM          0x10
332  
333  /* Generic for an op that returns a value */
334  
335  #define AML_TYPE_METHOD_CALL        0x11
336  
337  /* Miscellaneous types */
338  
339  #define AML_TYPE_CREATE_FIELD       0x12
340  #define AML_TYPE_CREATE_OBJECT      0x13
341  #define AML_TYPE_CONTROL            0x14
342  #define AML_TYPE_NAMED_NO_OBJ       0x15
343  #define AML_TYPE_NAMED_FIELD        0x16
344  #define AML_TYPE_NAMED_SIMPLE       0x17
345  #define AML_TYPE_NAMED_COMPLEX      0x18
346  #define AML_TYPE_RETURN             0x19
347  #define AML_TYPE_UNDEFINED          0x1A
348  #define AML_TYPE_BOGUS              0x1B
349  
350  /* AML Package Length encodings */
351  
352  #define ACPI_AML_PACKAGE_TYPE1      0x40
353  #define ACPI_AML_PACKAGE_TYPE2      0x4000
354  #define ACPI_AML_PACKAGE_TYPE3      0x400000
355  #define ACPI_AML_PACKAGE_TYPE4      0x40000000
356  
357  /*
358   * Opcode classes
359   */
360  #define AML_CLASS_EXECUTE           0x00
361  #define AML_CLASS_CREATE            0x01
362  #define AML_CLASS_ARGUMENT          0x02
363  #define AML_CLASS_NAMED_OBJECT      0x03
364  #define AML_CLASS_CONTROL           0x04
365  #define AML_CLASS_ASCII             0x05
366  #define AML_CLASS_PREFIX            0x06
367  #define AML_CLASS_INTERNAL          0x07
368  #define AML_CLASS_RETURN_VALUE      0x08
369  #define AML_CLASS_METHOD_CALL       0x09
370  #define AML_CLASS_UNKNOWN           0x0A
371  
372  /* Comparison operation codes for match_op operator */
373  
374  typedef enum {
375  	MATCH_MTR = 0,
376  	MATCH_MEQ = 1,
377  	MATCH_MLE = 2,
378  	MATCH_MLT = 3,
379  	MATCH_MGE = 4,
380  	MATCH_MGT = 5
381  } AML_MATCH_OPERATOR;
382  
383  #define MAX_MATCH_OPERATOR          5
384  
385  /*
386   * field_flags
387   *
388   * This byte is extracted from the AML and includes three separate
389   * pieces of information about the field:
390   * 1) The field access type
391   * 2) The field update rule
392   * 3) The lock rule for the field
393   *
394   * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
395   *      04      : lock_rule (1 == Lock)
396   *      05 - 06 : update_rule
397   */
398  #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
399  #define AML_FIELD_LOCK_RULE_MASK    0x10
400  #define AML_FIELD_UPDATE_RULE_MASK  0x60
401  
402  /* 1) Field Access Types */
403  
404  typedef enum {
405  	AML_FIELD_ACCESS_ANY = 0x00,
406  	AML_FIELD_ACCESS_BYTE = 0x01,
407  	AML_FIELD_ACCESS_WORD = 0x02,
408  	AML_FIELD_ACCESS_DWORD = 0x03,
409  	AML_FIELD_ACCESS_QWORD = 0x04,	/* ACPI 2.0 */
410  	AML_FIELD_ACCESS_BUFFER = 0x05	/* ACPI 2.0 */
411  } AML_ACCESS_TYPE;
412  
413  /* 2) Field Lock Rules */
414  
415  typedef enum {
416  	AML_FIELD_LOCK_NEVER = 0x00,
417  	AML_FIELD_LOCK_ALWAYS = 0x10
418  } AML_LOCK_RULE;
419  
420  /* 3) Field Update Rules */
421  
422  typedef enum {
423  	AML_FIELD_UPDATE_PRESERVE = 0x00,
424  	AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
425  	AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
426  } AML_UPDATE_RULE;
427  
428  /*
429   * Field Access Attributes.
430   * This byte is extracted from the AML via the
431   * access_as keyword
432   */
433  typedef enum {
434  	AML_FIELD_ATTRIB_QUICK = 0x02,
435  	AML_FIELD_ATTRIB_SEND_RECEIVE = 0x04,
436  	AML_FIELD_ATTRIB_BYTE = 0x06,
437  	AML_FIELD_ATTRIB_WORD = 0x08,
438  	AML_FIELD_ATTRIB_BLOCK = 0x0A,
439  	AML_FIELD_ATTRIB_BYTES = 0x0B,
440  	AML_FIELD_ATTRIB_PROCESS_CALL = 0x0C,
441  	AML_FIELD_ATTRIB_BLOCK_PROCESS_CALL = 0x0D,
442  	AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
443  	AML_FIELD_ATTRIB_RAW_PROCESS_BYTES = 0x0F
444  } AML_ACCESS_ATTRIBUTE;
445  
446  /* Bit fields in the AML method_flags byte */
447  
448  #define AML_METHOD_ARG_COUNT        0x07
449  #define AML_METHOD_SERIALIZED       0x08
450  #define AML_METHOD_SYNC_LEVEL       0xF0
451  
452  #endif				/* __AMLCODE_H__ */
453