xref: /haiku/src/add-ons/kernel/bus_managers/acpi/acpica/include/acmacros.h (revision f8da8f3477d3c18142e59d17d05a545982faa5a8)
1 /******************************************************************************
2  *
3  * Name: acmacros.h - C macros for the entire subsystem.
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2013, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************/
115 
116 #ifndef __ACMACROS_H__
117 #define __ACMACROS_H__
118 
119 
120 /*
121  * Extract data using a pointer. Any more than a byte and we
122  * get into potential aligment issues -- see the STORE macros below.
123  * Use with care.
124  */
125 #define ACPI_CAST8(ptr)                 ACPI_CAST_PTR (UINT8, (ptr))
126 #define ACPI_CAST16(ptr)                ACPI_CAST_PTR (UINT16, (ptr))
127 #define ACPI_CAST32(ptr)                ACPI_CAST_PTR (UINT32, (ptr))
128 #define ACPI_CAST64(ptr)                ACPI_CAST_PTR (UINT64, (ptr))
129 #define ACPI_GET8(ptr)                  (*ACPI_CAST8 (ptr))
130 #define ACPI_GET16(ptr)                 (*ACPI_CAST16 (ptr))
131 #define ACPI_GET32(ptr)                 (*ACPI_CAST32 (ptr))
132 #define ACPI_GET64(ptr)                 (*ACPI_CAST64 (ptr))
133 #define ACPI_SET8(ptr, val)             (*ACPI_CAST8 (ptr) = (UINT8) (val))
134 #define ACPI_SET16(ptr, val)            (*ACPI_CAST16 (ptr) = (UINT16) (val))
135 #define ACPI_SET32(ptr, val)            (*ACPI_CAST32 (ptr) = (UINT32) (val))
136 #define ACPI_SET64(ptr, val)            (*ACPI_CAST64 (ptr) = (UINT64) (val))
137 
138 /*
139  * printf() format helpers
140  */
141 
142 /* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */
143 
144 #define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
145 
146 #if ACPI_MACHINE_WIDTH == 64
147 #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
148 #else
149 #define ACPI_FORMAT_NATIVE_UINT(i)      0, (i)
150 #endif
151 
152 
153 /*
154  * Macros for moving data around to/from buffers that are possibly unaligned.
155  * If the hardware supports the transfer of unaligned data, just do the store.
156  * Otherwise, we have to move one byte at a time.
157  */
158 #ifdef ACPI_BIG_ENDIAN
159 /*
160  * Macros for big-endian machines
161  */
162 
163 /* These macros reverse the bytes during the move, converting little-endian to big endian */
164 
165                                                      /* Big Endian      <==        Little Endian */
166                                                      /*  Hi...Lo                     Lo...Hi     */
167 /* 16-bit source, 16/32/64 destination */
168 
169 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[1];\
170                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[0];}
171 
172 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d))=0;\
173                                            ((UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
174                                            ((UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
175 
176 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
177                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
178                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
179 
180 /* 32-bit source, 16/32/64 destination */
181 
182 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
183 
184 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[3];\
185                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[2];\
186                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[1];\
187                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[0];}
188 
189 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d))=0;\
190                                            ((UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
191                                            ((UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
192                                            ((UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
193                                            ((UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
194 
195 /* 64-bit source, 16/32/64 destination */
196 
197 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
198 
199 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
200 
201 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[7];\
202                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[6];\
203                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[5];\
204                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[4];\
205                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[3];\
206                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[2];\
207                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[1];\
208                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[0];}
209 #else
210 /*
211  * Macros for little-endian machines
212  */
213 
214 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
215 
216 /* The hardware supports unaligned transfers, just do the little-endian move */
217 
218 /* 16-bit source, 16/32/64 destination */
219 
220 #define ACPI_MOVE_16_TO_16(d, s)        *(UINT16 *)(void *)(d) = *(UINT16 *)(void *)(s)
221 #define ACPI_MOVE_16_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT16 *)(void *)(s)
222 #define ACPI_MOVE_16_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT16 *)(void *)(s)
223 
224 /* 32-bit source, 16/32/64 destination */
225 
226 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
227 #define ACPI_MOVE_32_TO_32(d, s)        *(UINT32 *)(void *)(d) = *(UINT32 *)(void *)(s)
228 #define ACPI_MOVE_32_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT32 *)(void *)(s)
229 
230 /* 64-bit source, 16/32/64 destination */
231 
232 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
233 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
234 #define ACPI_MOVE_64_TO_64(d, s)        *(UINT64 *)(void *)(d) = *(UINT64 *)(void *)(s)
235 
236 #else
237 /*
238  * The hardware does not support unaligned transfers. We must move the
239  * data one byte at a time. These macros work whether the source or
240  * the destination (or both) is/are unaligned. (Little-endian move)
241  */
242 
243 /* 16-bit source, 16/32/64 destination */
244 
245 #define ACPI_MOVE_16_TO_16(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
246                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];}
247 
248 #define ACPI_MOVE_16_TO_32(d, s)        {(*(UINT32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
249 #define ACPI_MOVE_16_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
250 
251 /* 32-bit source, 16/32/64 destination */
252 
253 #define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
254 
255 #define ACPI_MOVE_32_TO_32(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
256                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
257                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
258                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];}
259 
260 #define ACPI_MOVE_32_TO_64(d, s)        {(*(UINT64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
261 
262 /* 64-bit source, 16/32/64 destination */
263 
264 #define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)    /* Truncate to 16 */
265 #define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)    /* Truncate to 32 */
266 #define ACPI_MOVE_64_TO_64(d, s)        {((  UINT8 *)(void *)(d))[0] = ((UINT8 *)(void *)(s))[0];\
267                                          ((  UINT8 *)(void *)(d))[1] = ((UINT8 *)(void *)(s))[1];\
268                                          ((  UINT8 *)(void *)(d))[2] = ((UINT8 *)(void *)(s))[2];\
269                                          ((  UINT8 *)(void *)(d))[3] = ((UINT8 *)(void *)(s))[3];\
270                                          ((  UINT8 *)(void *)(d))[4] = ((UINT8 *)(void *)(s))[4];\
271                                          ((  UINT8 *)(void *)(d))[5] = ((UINT8 *)(void *)(s))[5];\
272                                          ((  UINT8 *)(void *)(d))[6] = ((UINT8 *)(void *)(s))[6];\
273                                          ((  UINT8 *)(void *)(d))[7] = ((UINT8 *)(void *)(s))[7];}
274 #endif
275 #endif
276 
277 
278 /*
279  * Fast power-of-two math macros for non-optimized compilers
280  */
281 #define _ACPI_DIV(value, PowerOf2)      ((UINT32) ((value) >> (PowerOf2)))
282 #define _ACPI_MUL(value, PowerOf2)      ((UINT32) ((value) << (PowerOf2)))
283 #define _ACPI_MOD(value, Divisor)       ((UINT32) ((value) & ((Divisor) -1)))
284 
285 #define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
286 #define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
287 #define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
288 
289 #define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
290 #define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
291 #define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
292 
293 #define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
294 #define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
295 #define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
296 
297 #define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
298 #define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
299 #define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
300 
301 #define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
302 #define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
303 #define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
304 
305 /*
306  * Rounding macros (Power of two boundaries only)
307  */
308 #define ACPI_ROUND_DOWN(value, boundary)    (((ACPI_SIZE)(value)) & \
309                                                 (~(((ACPI_SIZE) boundary)-1)))
310 
311 #define ACPI_ROUND_UP(value, boundary)      ((((ACPI_SIZE)(value)) + \
312                                                 (((ACPI_SIZE) boundary)-1)) & \
313                                                 (~(((ACPI_SIZE) boundary)-1)))
314 
315 /* Note: sizeof(ACPI_SIZE) evaluates to either 4 or 8 (32- vs 64-bit mode) */
316 
317 #define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
318 #define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
319 #define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(ACPI_SIZE))
320 
321 #define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
322 #define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
323 #define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(ACPI_SIZE))
324 
325 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
326 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
327 
328 #define ACPI_ROUND_UP_TO_1K(a)              (((a) + 1023) >> 10)
329 
330 /* Generic (non-power-of-two) rounding */
331 
332 #define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
333 
334 #define ACPI_IS_MISALIGNED(value)           (((ACPI_SIZE) value) & (sizeof(ACPI_SIZE)-1))
335 
336 /*
337  * Bitmask creation
338  * Bit positions start at zero.
339  * MASK_BITS_ABOVE creates a mask starting AT the position and above
340  * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
341  */
342 #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_UINT64_MAX) << ((UINT32) (position))))
343 #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_UINT64_MAX) << ((UINT32) (position)))
344 
345 /* Bitfields within ACPI registers */
346 
347 #define ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask) \
348     ((Val << Pos) & Mask)
349 
350 #define ACPI_REGISTER_INSERT_VALUE(Reg, Pos, Mask, Val) \
351     Reg = (Reg & (~(Mask))) | ACPI_REGISTER_PREPARE_BITS(Val, Pos, Mask)
352 
353 #define ACPI_INSERT_BITS(Target, Mask, Source) \
354     Target = ((Target & (~(Mask))) | (Source & Mask))
355 
356 /* Generic bitfield macros and masks */
357 
358 #define ACPI_GET_BITS(SourcePtr, Position, Mask) \
359     ((*SourcePtr >> Position) & Mask)
360 
361 #define ACPI_SET_BITS(TargetPtr, Position, Mask, Value) \
362     (*TargetPtr |= ((Value & Mask) << Position))
363 
364 #define ACPI_1BIT_MASK      0x00000001
365 #define ACPI_2BIT_MASK      0x00000003
366 #define ACPI_3BIT_MASK      0x00000007
367 #define ACPI_4BIT_MASK      0x0000000F
368 #define ACPI_5BIT_MASK      0x0000001F
369 #define ACPI_6BIT_MASK      0x0000003F
370 #define ACPI_7BIT_MASK      0x0000007F
371 #define ACPI_8BIT_MASK      0x000000FF
372 #define ACPI_16BIT_MASK     0x0000FFFF
373 #define ACPI_24BIT_MASK     0x00FFFFFF
374 
375 /* Macros to extract flag bits from position zero */
376 
377 #define ACPI_GET_1BIT_FLAG(Value)                   ((Value) & ACPI_1BIT_MASK)
378 #define ACPI_GET_2BIT_FLAG(Value)                   ((Value) & ACPI_2BIT_MASK)
379 #define ACPI_GET_3BIT_FLAG(Value)                   ((Value) & ACPI_3BIT_MASK)
380 #define ACPI_GET_4BIT_FLAG(Value)                   ((Value) & ACPI_4BIT_MASK)
381 
382 /* Macros to extract flag bits from position one and above */
383 
384 #define ACPI_EXTRACT_1BIT_FLAG(Field, Position)     (ACPI_GET_1BIT_FLAG ((Field) >> Position))
385 #define ACPI_EXTRACT_2BIT_FLAG(Field, Position)     (ACPI_GET_2BIT_FLAG ((Field) >> Position))
386 #define ACPI_EXTRACT_3BIT_FLAG(Field, Position)     (ACPI_GET_3BIT_FLAG ((Field) >> Position))
387 #define ACPI_EXTRACT_4BIT_FLAG(Field, Position)     (ACPI_GET_4BIT_FLAG ((Field) >> Position))
388 
389 /* ACPI Pathname helpers */
390 
391 #define ACPI_IS_ROOT_PREFIX(c)      ((c) == (UINT8) 0x5C) /* Backslash */
392 #define ACPI_IS_PARENT_PREFIX(c)    ((c) == (UINT8) 0x5E) /* Carat */
393 #define ACPI_IS_PATH_SEPARATOR(c)   ((c) == (UINT8) 0x2E) /* Period (dot) */
394 
395 /*
396  * An object of type ACPI_NAMESPACE_NODE can appear in some contexts
397  * where a pointer to an object of type ACPI_OPERAND_OBJECT can also
398  * appear. This macro is used to distinguish them.
399  *
400  * The "DescriptorType" field is the second field in both structures.
401  */
402 #define ACPI_GET_DESCRIPTOR_PTR(d)      (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer)
403 #define ACPI_SET_DESCRIPTOR_PTR(d, p)   (((ACPI_DESCRIPTOR *)(void *)(d))->Common.CommonPointer = (p))
404 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType)
405 #define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((ACPI_DESCRIPTOR *)(void *)(d))->Common.DescriptorType = (t))
406 
407 /*
408  * Macros for the master AML opcode table
409  */
410 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
411 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
412     {Name, (UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
413 #else
414 #define ACPI_OP(Name, PArgs, IArgs, ObjType, Class, Type, Flags) \
415     {(UINT32)(PArgs), (UINT32)(IArgs), (UINT32)(Flags), ObjType, Class, Type}
416 #endif
417 
418 #define ARG_TYPE_WIDTH                  5
419 #define ARG_1(x)                        ((UINT32)(x))
420 #define ARG_2(x)                        ((UINT32)(x) << (1 * ARG_TYPE_WIDTH))
421 #define ARG_3(x)                        ((UINT32)(x) << (2 * ARG_TYPE_WIDTH))
422 #define ARG_4(x)                        ((UINT32)(x) << (3 * ARG_TYPE_WIDTH))
423 #define ARG_5(x)                        ((UINT32)(x) << (4 * ARG_TYPE_WIDTH))
424 #define ARG_6(x)                        ((UINT32)(x) << (5 * ARG_TYPE_WIDTH))
425 
426 #define ARGI_LIST1(a)                   (ARG_1(a))
427 #define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
428 #define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
429 #define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
430 #define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
431 #define ARGI_LIST6(a, b, c, d, e, f)    (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
432 
433 #define ARGP_LIST1(a)                   (ARG_1(a))
434 #define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
435 #define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
436 #define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
437 #define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
438 #define ARGP_LIST6(a, b, c, d, e, f)    (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
439 
440 #define GET_CURRENT_ARG_TYPE(List)      (List & ((UINT32) 0x1F))
441 #define INCREMENT_ARG_LIST(List)        (List >>= ((UINT32) ARG_TYPE_WIDTH))
442 
443 /*
444  * Ascii error messages can be configured out
445  */
446 #ifndef ACPI_NO_ERROR_MESSAGES
447 /*
448  * Error reporting. Callers module and line number are inserted by AE_INFO,
449  * the plist contains a set of parens to allow variable-length lists.
450  * These macros are used for both the debug and non-debug versions of the code.
451  */
452 #define ACPI_ERROR_NAMESPACE(s, e)          AcpiUtNamespaceError (AE_INFO, s, e);
453 #define ACPI_ERROR_METHOD(s, n, p, e)       AcpiUtMethodError (AE_INFO, s, n, p, e);
454 #define ACPI_WARN_PREDEFINED(plist)         AcpiUtPredefinedWarning plist
455 #define ACPI_INFO_PREDEFINED(plist)         AcpiUtPredefinedInfo plist
456 #define ACPI_BIOS_ERROR_PREDEFINED(plist)   AcpiUtPredefinedBiosError plist
457 
458 #else
459 
460 /* No error messages */
461 
462 #define ACPI_ERROR_NAMESPACE(s, e)
463 #define ACPI_ERROR_METHOD(s, n, p, e)
464 #define ACPI_WARN_PREDEFINED(plist)
465 #define ACPI_INFO_PREDEFINED(plist)
466 #define ACPI_BIOS_ERROR_PREDEFINED(plist)
467 
468 #endif /* ACPI_NO_ERROR_MESSAGES */
469 
470 #if (!ACPI_REDUCED_HARDWARE)
471 #define ACPI_HW_OPTIONAL_FUNCTION(addr)     addr
472 #else
473 #define ACPI_HW_OPTIONAL_FUNCTION(addr)     NULL
474 #endif
475 
476 
477 /*
478  * Some code only gets executed when the debugger is built in.
479  * Note that this is entirely independent of whether the
480  * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
481  */
482 #ifdef ACPI_DEBUGGER
483 #define ACPI_DEBUGGER_EXEC(a)           a
484 #else
485 #define ACPI_DEBUGGER_EXEC(a)
486 #endif
487 
488 
489 /*
490  * Memory allocation tracking (DEBUG ONLY)
491  */
492 #define ACPI_MEM_PARAMETERS         _COMPONENT, _AcpiModuleName, __LINE__
493 
494 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
495 
496 /* Memory allocation */
497 
498 #define ACPI_ALLOCATE(a)            AcpiUtAllocate((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
499 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroed((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
500 #define ACPI_FREE(a)                AcpiOsFree(a)
501 #define ACPI_MEM_TRACKING(a)
502 
503 #else
504 
505 /* Memory allocation */
506 
507 #define ACPI_ALLOCATE(a)            AcpiUtAllocateAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
508 #define ACPI_ALLOCATE_ZEROED(a)     AcpiUtAllocateZeroedAndTrack((ACPI_SIZE) (a), ACPI_MEM_PARAMETERS)
509 #define ACPI_FREE(a)                AcpiUtFreeAndTrack(a, ACPI_MEM_PARAMETERS)
510 #define ACPI_MEM_TRACKING(a)        a
511 
512 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
513 
514 
515 /*
516  * Macros used for ACPICA utilities only
517  */
518 
519 /* Generate a UUID */
520 
521 #define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
522     (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
523     (b) & 0xFF, ((b) >> 8) & 0xFF, \
524     (c) & 0xFF, ((c) >> 8) & 0xFF, \
525     (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
526 
527 #define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
528 
529 
530 #endif /* ACMACROS_H */
531