summaryrefslogtreecommitdiffstats
path: root/include/acpi/acmacros.h
blob: fcdef0a4b01b835a54a359581aa6fb44b38108fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
/******************************************************************************
 *
 * Name: acmacros.h - C macros for the entire subsystem.
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, R. Byron Moore
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACMACROS_H__
#define __ACMACROS_H__


/*
 * Data manipulation macros
 */
#define ACPI_LOWORD(l)                  ((u16)(u32)(l))
#define ACPI_HIWORD(l)                  ((u16)((((u32)(l)) >> 16) & 0xFFFF))
#define ACPI_LOBYTE(l)                  ((u8)(u16)(l))
#define ACPI_HIBYTE(l)                  ((u8)((((u16)(l)) >> 8) & 0xFF))

#define ACPI_SET_BIT(target,bit)        ((target) |= (bit))
#define ACPI_CLEAR_BIT(target,bit)      ((target) &= ~(bit))
#define ACPI_MIN(a,b)                   (((a)<(b))?(a):(b))


#if ACPI_MACHINE_WIDTH == 16

/*
 * For 16-bit addresses, we have to assume that the upper 32 bits
 * are zero.
 */
#define ACPI_LODWORD(l)                 ((u32)(l))
#define ACPI_HIDWORD(l)                 ((u32)(0))

#define ACPI_GET_ADDRESS(a)             ((a).lo)
#define ACPI_STORE_ADDRESS(a,b)         {(a).hi=0;(a).lo=(u32)(b);}
#define ACPI_VALID_ADDRESS(a)           ((a).hi | (a).lo)

#else
#ifdef ACPI_NO_INTEGER64_SUPPORT
/*
 * acpi_integer is 32-bits, no 64-bit support on this platform
 */
#define ACPI_LODWORD(l)                 ((u32)(l))
#define ACPI_HIDWORD(l)                 ((u32)(0))

#define ACPI_GET_ADDRESS(a)             (a)
#define ACPI_STORE_ADDRESS(a,b)         ((a)=(b))
#define ACPI_VALID_ADDRESS(a)           (a)

#else

/*
 * Full 64-bit address/integer on both 32-bit and 64-bit platforms
 */
#define ACPI_LODWORD(l)                 ((u32)(u64)(l))
#define ACPI_HIDWORD(l)                 ((u32)(((*(struct uint64_struct *)(void *)(&l))).hi))

#define ACPI_GET_ADDRESS(a)             (a)
#define ACPI_STORE_ADDRESS(a,b)         ((a)=(acpi_physical_address)(b))
#define ACPI_VALID_ADDRESS(a)           (a)
#endif
#endif

/*
 * printf() format helpers
 */

/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */

#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i),ACPI_LODWORD(i)

/*
 * Extract a byte of data using a pointer.  Any more than a byte and we
 * get into potential aligment issues -- see the STORE macros below
 */
#define ACPI_GET8(addr)                 (*(u8*)(addr))

/* Pointer arithmetic */

#define ACPI_PTR_ADD(t,a,b)             (t *) (void *)((char *)(a) + (acpi_native_uint)(b))
#define ACPI_PTR_DIFF(a,b)              (acpi_native_uint) ((char *)(a) - (char *)(b))

/* Pointer/Integer type conversions */

#define ACPI_TO_POINTER(i)              ACPI_PTR_ADD (void, (void *) NULL,(acpi_native_uint)i)
#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
#define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
#define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)

#define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))

#if ACPI_MACHINE_WIDTH == 16
#define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
#define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
#define ACPI_PTR_TO_PHYSADDR(i)         (u32) (char *)(i)
#else
#define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
#define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
#endif

/*
 * Macros for moving data around to/from buffers that are possibly unaligned.
 * If the hardware supports the transfer of unaligned data, just do the store.
 * Otherwise, we have to move one byte at a time.
 */
#ifdef ACPI_BIG_ENDIAN
/*
 * Macros for big-endian machines
 */

/* This macro sets a buffer index, starting from the end of the buffer */

#define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) ((buf_len) - (((buf_offset)+1) * (byte_gran)))

/* These macros reverse the bytes during the move, converting little-endian to big endian */

	 /* Big Endian      <==        Little Endian */
	 /*  Hi...Lo                     Lo...Hi     */
/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
			  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}

#define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d))=0;\
					  ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
					  ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}

#define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
							   ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
							   ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */

#define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
									  ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
									  ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
									  ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}

#define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
										   ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
										   ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
										   ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
										   ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */

#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */

#define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
										 ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
										 ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
										 ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
										 ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
#else
/*
 * Macros for little-endian machines
 */

/* This macro sets a buffer index, starting from the beginning of the buffer */

#define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) (buf_offset)

#ifdef ACPI_MISALIGNED_TRANSFERS

/* The hardware supports unaligned transfers, just do the little-endian move */

#if ACPI_MACHINE_WIDTH == 16

/* No 64-bit integers */
/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
#define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
#define ACPI_MOVE_16_TO_64(d,s)         ACPI_MOVE_16_TO_32(d,s)

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
#define ACPI_MOVE_32_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
#define ACPI_MOVE_64_TO_64(d,s)         ACPI_MOVE_32_TO_32(d,s)

#else
/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
#define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
#define ACPI_MOVE_16_TO_64(d,s)         *(u64 *)(void *)(d) = *(u16 *)(void *)(s)

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
#define ACPI_MOVE_32_TO_64(d,s)         *(u64 *)(void *)(d) = *(u32 *)(void *)(s)

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
#define ACPI_MOVE_64_TO_64(d,s)         *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
#endif

#else
/*
 * The hardware does not support unaligned transfers.  We must move the
 * data one byte at a time.  These macros work whether the source or
 * the destination (or both) is/are unaligned.  (Little-endian move)
 */

/* 16-bit source, 16/32/64 destination */

#define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}

#define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
#define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}

/* 32-bit source, 16/32/64 destination */

#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */

#define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}

#define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}

/* 64-bit source, 16/32/64 destination */

#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)    /* Truncate to 16 */
#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)    /* Truncate to 32 */
#define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
										 ((  u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[4];\
										 ((  u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[5];\
										 ((  u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[6];\
										 ((  u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[7];}
#endif
#endif

/* Macros based on machine integer width */

#if ACPI_MACHINE_WIDTH == 16
#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_16_TO_16(d,s)

#elif ACPI_MACHINE_WIDTH == 32
#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)

#elif ACPI_MACHINE_WIDTH == 64
#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_64_TO_16(d,s)

#else
#error unknown ACPI_MACHINE_WIDTH
#endif


/*
 * Fast power-of-two math macros for non-optimized compilers
 */
#define _ACPI_DIV(value,power_of2)      ((u32) ((value) >> (power_of2)))
#define _ACPI_MUL(value,power_of2)      ((u32) ((value) << (power_of2)))
#define _ACPI_MOD(value,divisor)        ((u32) ((value) & ((divisor) -1)))

#define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
#define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
#define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)

#define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
#define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
#define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)

#define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
#define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
#define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)

#define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
#define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
#define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)


/*
 * Rounding macros (Power of two boundaries only)
 */
#define ACPI_ROUND_DOWN(value,boundary)      (((acpi_native_uint)(value)) & (~(((acpi_native_uint) boundary)-1)))
#define ACPI_ROUND_UP(value,boundary)        ((((acpi_native_uint)(value)) + (((acpi_native_uint) boundary)-1)) & (~(((acpi_native_uint) boundary)-1)))

#define ACPI_ROUND_DOWN_TO_32_BITS(a)        ACPI_ROUND_DOWN(a,4)
#define ACPI_ROUND_DOWN_TO_64_BITS(a)        ACPI_ROUND_DOWN(a,8)
#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)    ACPI_ROUND_DOWN(a,ALIGNED_ADDRESS_BOUNDARY)

#define ACPI_ROUND_UP_to_32_bITS(a)          ACPI_ROUND_UP(a,4)
#define ACPI_ROUND_UP_to_64_bITS(a)          ACPI_ROUND_UP(a,8)
#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)      ACPI_ROUND_UP(a,ALIGNED_ADDRESS_BOUNDARY)


#define ACPI_ROUND_BITS_UP_TO_BYTES(a)       ACPI_DIV_8((a) + 7)
#define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)     ACPI_DIV_8((a))

#define ACPI_ROUND_UP_TO_1K(a)               (((a) + 1023) >> 10)

/* Generic (non-power-of-two) rounding */

#define ACPI_ROUND_UP_TO(value,boundary)     (((value) + ((boundary)-1)) / (boundary))

/*
 * Bitmask creation
 * Bit positions start at zero.
 * MASK_BITS_ABOVE creates a mask starting AT the position and above
 * MASK_BITS_BELOW creates a mask starting one bit BELOW the position
 */
#define ACPI_MASK_BITS_ABOVE(position)       (~((ACPI_INTEGER_MAX) << ((u32) (position))))
#define ACPI_MASK_BITS_BELOW(position)       ((ACPI_INTEGER_MAX) << ((u32) (position)))

#define ACPI_IS_OCTAL_DIGIT(d)               (((char)(d) >= '0') && ((char)(d) <= '7'))


/* Bitfields within ACPI registers */

#define ACPI_REGISTER_PREPARE_BITS(val, pos, mask)      ((val << pos) & mask)
#define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val)  reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)

/*
 * An struct acpi_namespace_node * can appear in some contexts,
 * where a pointer to an union acpi_operand_object    can also
 * appear.  This macro is used to distinguish them.
 *
 * The "Descriptor" field is the first field in both structures.
 */
#define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->descriptor_id)
#define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((union acpi_descriptor *)(void *)(d))->descriptor_id = t)


/* Macro to test the object type */

#define ACPI_GET_OBJECT_TYPE(d)         (((union acpi_operand_object *)(void *)(d))->common.type)

/* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */

#define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)

/*
 * Macros for the master AML opcode table
 */
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
#define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {name,(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
#else
#define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
#endif

#ifdef ACPI_DISASSEMBLER
#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
#else
#define ACPI_DISASM_ONLY_MEMBERS(a)
#endif

#define ARG_TYPE_WIDTH                  5
#define ARG_1(x)                        ((u32)(x))
#define ARG_2(x)                        ((u32)(x) << (1 * ARG_TYPE_WIDTH))
#define ARG_3(x)                        ((u32)(x) << (2 * ARG_TYPE_WIDTH))
#define ARG_4(x)                        ((u32)(x) << (3 * ARG_TYPE_WIDTH))
#define ARG_5(x)                        ((u32)(x) << (4 * ARG_TYPE_WIDTH))
#define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))

#define ARGI_LIST1(a)                   (ARG_1(a))
#define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
#define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
#define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
#define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
#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))

#define ARGP_LIST1(a)                   (ARG_1(a))
#define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
#define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
#define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
#define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
#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))

#define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
#define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))


/*
 * Reporting macros that are never compiled out
 */
#define ACPI_PARAM_LIST(pl)                 pl

/*
 * Error reporting.  These versions add callers module and line#.
 *
 * Since _acpi_module_name gets compiled out when ACPI_DEBUG_OUTPUT
 * isn't defined, only use it in debug mode.
 */
#ifdef ACPI_DEBUG_OUTPUT

#define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info(_acpi_module_name,__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error(_acpi_module_name,__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning(_acpi_module_name,__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error(_acpi_module_name,__LINE__,_COMPONENT, s, e);

#define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error(_acpi_module_name,__LINE__,_COMPONENT, s, n, p, e);

#else

#define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info("ACPI",__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error("ACPI",__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning("ACPI",__LINE__,_COMPONENT); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error("ACPI",__LINE__,_COMPONENT, s, e);

#define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error("ACPI",__LINE__,_COMPONENT, s, n, p, e);

#endif

/* Error reporting.  These versions pass thru the module and line# */

#define _ACPI_REPORT_INFO(a,b,c,fp)         {acpi_ut_report_info(a,b,c); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define _ACPI_REPORT_ERROR(a,b,c,fp)        {acpi_ut_report_error(a,b,c); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}
#define _ACPI_REPORT_WARNING(a,b,c,fp)      {acpi_ut_report_warning(a,b,c); \
												acpi_os_printf ACPI_PARAM_LIST(fp);}

/*
 * Debug macros that are conditionally compiled
 */
#ifdef ACPI_DEBUG_OUTPUT
#define ACPI_MODULE_NAME(name)          static char ACPI_UNUSED_VAR *_acpi_module_name = name;

/*
 * Common parameters used for debug output functions:
 * line number, function name, module(file) name, component ID
 */
#define ACPI_DEBUG_PARAMETERS           __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT

/*
 * Function entry tracing
 */

/*
 * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
 * define it now. This is the case where there the compiler does not support
 * a __FUNCTION__ macro or equivalent. We save the function name on the
 * local stack.
 */
#ifndef ACPI_GET_FUNCTION_NAME
#define ACPI_GET_FUNCTION_NAME          _acpi_function_name
/*
 * The Name parameter should be the procedure name as a quoted string.
 * This is declared as a local string ("my_function_name") so that it can
 * be also used by the function exit macros below.
 * Note: (const char) is used to be compatible with the debug interfaces
 * and macros such as __FUNCTION__.
 */
#define ACPI_FUNCTION_NAME(name)        const char *_acpi_function_name = name;

#else
/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */

#define ACPI_FUNCTION_NAME(name)
#endif

#define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
											acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
#define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a) \
											acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
#define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a) \
											acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
#define ACPI_FUNCTION_TRACE_STR(a,b)    ACPI_FUNCTION_NAME(a) \
											acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)

#define ACPI_FUNCTION_ENTRY()           acpi_ut_track_stack_ptr()

/*
 * Function exit tracing.
 * WARNING: These macros include a return statement.  This is usually considered
 * bad form, but having a separate exit macro is very ugly and difficult to maintain.
 * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
 * so that "_acpi_function_name" is defined.
 */
#ifdef ACPI_USE_DO_WHILE_0
#define ACPI_DO_WHILE0(a)               do a while(0)
#else
#define ACPI_DO_WHILE0(a)               a
#endif

#define return_VOID                     ACPI_DO_WHILE0 ({acpi_ut_exit(ACPI_DEBUG_PARAMETERS);return;})
#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({acpi_ut_status_exit(ACPI_DEBUG_PARAMETERS,(s));return((s));})
#define return_VALUE(s)                 ACPI_DO_WHILE0 ({acpi_ut_value_exit(ACPI_DEBUG_PARAMETERS,(acpi_integer)(s));return((s));})
#define return_PTR(s)                   ACPI_DO_WHILE0 ({acpi_ut_ptr_exit(ACPI_DEBUG_PARAMETERS,(u8 *)(s));return((s));})

/* Conditional execution */

#define ACPI_DEBUG_EXEC(a)              a
#define ACPI_NORMAL_EXEC(a)

#define ACPI_DEBUG_DEFINE(a)            a;
#define ACPI_DEBUG_ONLY_MEMBERS(a)      a;
#define _VERBOSE_STRUCTURES


/* Stack and buffer dumping */

#define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a),0)
#define ACPI_DUMP_OPERANDS(a,b,c,d,e)   acpi_ex_dump_operands(a,b,c,d,e,_acpi_module_name,__LINE__)


#define ACPI_DUMP_ENTRY(a,b)            acpi_ns_dump_entry (a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d)     acpi_ns_dump_pathname(a,b,c,d)
#define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
#define ACPI_DUMP_BUFFER(a,b)           acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
#define ACPI_BREAK_MSG(a)               acpi_os_signal (ACPI_SIGNAL_BREAKPOINT,(a))


/*
 * Generate INT3 on ACPI_ERROR (Debug only!)
 */
#define ACPI_ERROR_BREAK
#ifdef  ACPI_ERROR_BREAK
#define ACPI_BREAK_ON_ERROR(lvl)        if ((lvl)&ACPI_ERROR) \
											acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,"Fatal error encountered\n")
#else
#define ACPI_BREAK_ON_ERROR(lvl)
#endif

/*
 * Master debug print macros
 * Print iff:
 *    1) Debug print for the current component is enabled
 *    2) Debug error level or trace level for the print statement is enabled
 */
#define ACPI_DEBUG_PRINT(pl)            acpi_ut_debug_print ACPI_PARAM_LIST(pl)
#define ACPI_DEBUG_PRINT_RAW(pl)        acpi_ut_debug_print_raw ACPI_PARAM_LIST(pl)


#else
/*
 * This is the non-debug case -- make everything go away,
 * leaving no executable debug code!
 */
#define ACPI_MODULE_NAME(name)
#define _acpi_module_name ""

#define ACPI_DEBUG_EXEC(a)
#define ACPI_NORMAL_EXEC(a)             a;

#define ACPI_DEBUG_DEFINE(a)
#define ACPI_DEBUG_ONLY_MEMBERS(a)
#define ACPI_FUNCTION_NAME(a)
#define ACPI_FUNCTION_TRACE(a)
#define ACPI_FUNCTION_TRACE_PTR(a,b)
#define ACPI_FUNCTION_TRACE_U32(a,b)
#define ACPI_FUNCTION_TRACE_STR(a,b)
#define ACPI_FUNCTION_EXIT
#define ACPI_FUNCTION_STATUS_EXIT(s)
#define ACPI_FUNCTION_VALUE_EXIT(s)
#define ACPI_FUNCTION_ENTRY()
#define ACPI_DUMP_STACK_ENTRY(a)
#define ACPI_DUMP_OPERANDS(a,b,c,d,e)
#define ACPI_DUMP_ENTRY(a,b)
#define ACPI_DUMP_PATHNAME(a,b,c,d)
#define ACPI_DUMP_RESOURCE_LIST(a)
#define ACPI_DUMP_BUFFER(a,b)
#define ACPI_DEBUG_PRINT(pl)
#define ACPI_DEBUG_PRINT_RAW(pl)
#define ACPI_BREAK_MSG(a)

#define return_VOID                     return
#define return_ACPI_STATUS(s)           return(s)
#define return_VALUE(s)                 return(s)
#define return_PTR(s)                   return(s)

#endif

/*
 * Some code only gets executed when the debugger is built in.
 * Note that this is entirely independent of whether the
 * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not.
 */
#ifdef ACPI_DEBUGGER
#define ACPI_DEBUGGER_EXEC(a)           a
#else
#define ACPI_DEBUGGER_EXEC(a)
#endif


/*
 * For 16-bit code, we want to shrink some things even though
 * we are using ACPI_DEBUG_OUTPUT to get the debug output
 */
#if ACPI_MACHINE_WIDTH == 16
#undef ACPI_DEBUG_ONLY_MEMBERS
#undef _VERBOSE_STRUCTURES
#define ACPI_DEBUG_ONLY_MEMBERS(a)
#endif


#ifdef ACPI_DEBUG_OUTPUT
/*
 * 1) Set name to blanks
 * 2) Copy the object name
 */
#define ACPI_ADD_OBJECT_NAME(a,b)       ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\
										ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name))
#else

#define ACPI_ADD_OBJECT_NAME(a,b)
#endif


/*
 * Memory allocation tracking (DEBUG ONLY)
 */
#ifndef ACPI_DBG_TRACK_ALLOCATIONS

/* Memory allocation */

#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
#define ACPI_MEM_FREE(a)                acpi_os_free(a)
#define ACPI_MEM_TRACKING(a)

#else

/* Memory allocation */

#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
#define ACPI_MEM_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
#define ACPI_MEM_TRACKING(a)            a

#endif /* ACPI_DBG_TRACK_ALLOCATIONS */

#endif /* ACMACROS_H */
OpenPOWER on IntegriCloud