1 /*******************************************************************************
2 *
3 * Module Name: rsmisc - Miscellaneous resource descriptors
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2016, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include "acpi.h"
45 #include "accommon.h"
46 #include "acresrc.h"
47
48 #define _COMPONENT ACPI_RESOURCES
49 ACPI_MODULE_NAME ("rsmisc")
50
51
52 #define INIT_RESOURCE_TYPE(i) i->ResourceOffset
53 #define INIT_RESOURCE_LENGTH(i) i->AmlOffset
54 #define INIT_TABLE_LENGTH(i) i->Value
55
56 #define COMPARE_OPCODE(i) i->ResourceOffset
57 #define COMPARE_TARGET(i) i->AmlOffset
58 #define COMPARE_VALUE(i) i->Value
59
60
61 /*******************************************************************************
62 *
63 * FUNCTION: AcpiRsConvertAmlToResource
64 *
65 * PARAMETERS: Resource - Pointer to the resource descriptor
66 * Aml - Where the AML descriptor is returned
67 * Info - Pointer to appropriate conversion table
68 *
69 * RETURN: Status
70 *
71 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
72 * internal resource descriptor
73 *
74 ******************************************************************************/
75
76 ACPI_STATUS
AcpiRsConvertAmlToResource(ACPI_RESOURCE * Resource,AML_RESOURCE * Aml,ACPI_RSCONVERT_INFO * Info)77 AcpiRsConvertAmlToResource (
78 ACPI_RESOURCE *Resource,
79 AML_RESOURCE *Aml,
80 ACPI_RSCONVERT_INFO *Info)
81 {
82 ACPI_RS_LENGTH AmlResourceLength;
83 void *Source;
84 void *Destination;
85 char *Target;
86 UINT8 Count;
87 UINT8 FlagsMode = FALSE;
88 UINT16 ItemCount = 0;
89 UINT16 Temp16 = 0;
90
91
92 ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
93
94
95 if (!Info)
96 {
97 return_ACPI_STATUS (AE_BAD_PARAMETER);
98 }
99
100 if (((ACPI_SIZE) Resource) & 0x3)
101 {
102 /* Each internal resource struct is expected to be 32-bit aligned */
103
104 ACPI_WARNING ((AE_INFO,
105 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
106 Resource, Resource->Type, Resource->Length));
107 }
108
109 /* Extract the resource Length field (does not include header length) */
110
111 AmlResourceLength = AcpiUtGetResourceLength (Aml);
112
113 /*
114 * First table entry must be ACPI_RSC_INITxxx and must contain the
115 * table length (# of table entries)
116 */
117 Count = INIT_TABLE_LENGTH (Info);
118 while (Count)
119 {
120 /*
121 * Source is the external AML byte stream buffer,
122 * destination is the internal resource descriptor
123 */
124 Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
125 Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
126
127 switch (Info->Opcode)
128 {
129 case ACPI_RSC_INITGET:
130 /*
131 * Get the resource type and the initial (minimum) length
132 */
133 memset (Resource, 0, INIT_RESOURCE_LENGTH (Info));
134 Resource->Type = INIT_RESOURCE_TYPE (Info);
135 Resource->Length = INIT_RESOURCE_LENGTH (Info);
136 break;
137
138 case ACPI_RSC_INITSET:
139 break;
140
141 case ACPI_RSC_FLAGINIT:
142
143 FlagsMode = TRUE;
144 break;
145
146 case ACPI_RSC_1BITFLAG:
147 /*
148 * Mask and shift the flag bit
149 */
150 ACPI_SET8 (Destination,
151 ((ACPI_GET8 (Source) >> Info->Value) & 0x01));
152 break;
153
154 case ACPI_RSC_2BITFLAG:
155 /*
156 * Mask and shift the flag bits
157 */
158 ACPI_SET8 (Destination,
159 ((ACPI_GET8 (Source) >> Info->Value) & 0x03));
160 break;
161
162 case ACPI_RSC_3BITFLAG:
163 /*
164 * Mask and shift the flag bits
165 */
166 ACPI_SET8 (Destination,
167 ((ACPI_GET8 (Source) >> Info->Value) & 0x07));
168 break;
169
170 case ACPI_RSC_COUNT:
171
172 ItemCount = ACPI_GET8 (Source);
173 ACPI_SET8 (Destination, ItemCount);
174
175 Resource->Length = Resource->Length +
176 (Info->Value * (ItemCount - 1));
177 break;
178
179 case ACPI_RSC_COUNT16:
180
181 ItemCount = AmlResourceLength;
182 ACPI_SET16 (Destination, ItemCount);
183
184 Resource->Length = Resource->Length +
185 (Info->Value * (ItemCount - 1));
186 break;
187
188 case ACPI_RSC_COUNT_GPIO_PIN:
189
190 Target = ACPI_ADD_PTR (void, Aml, Info->Value);
191 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
192
193 Resource->Length = Resource->Length + ItemCount;
194 ItemCount = ItemCount / 2;
195 ACPI_SET16 (Destination, ItemCount);
196 break;
197
198 case ACPI_RSC_COUNT_GPIO_VEN:
199
200 ItemCount = ACPI_GET8 (Source);
201 ACPI_SET8 (Destination, ItemCount);
202
203 Resource->Length = Resource->Length + (Info->Value * ItemCount);
204 break;
205
206 case ACPI_RSC_COUNT_GPIO_RES:
207 /*
208 * Vendor data is optional (length/offset may both be zero)
209 * Examine vendor data length field first
210 */
211 Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
212 if (ACPI_GET16 (Target))
213 {
214 /* Use vendor offset to get resource source length */
215
216 Target = ACPI_ADD_PTR (void, Aml, Info->Value);
217 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
218 }
219 else
220 {
221 /* No vendor data to worry about */
222
223 ItemCount = Aml->LargeHeader.ResourceLength +
224 sizeof (AML_RESOURCE_LARGE_HEADER) -
225 ACPI_GET16 (Source);
226 }
227
228 Resource->Length = Resource->Length + ItemCount;
229 ACPI_SET16 (Destination, ItemCount);
230 break;
231
232 case ACPI_RSC_COUNT_SERIAL_VEN:
233
234 ItemCount = ACPI_GET16 (Source) - Info->Value;
235
236 Resource->Length = Resource->Length + ItemCount;
237 ACPI_SET16 (Destination, ItemCount);
238 break;
239
240 case ACPI_RSC_COUNT_SERIAL_RES:
241
242 ItemCount = (AmlResourceLength +
243 sizeof (AML_RESOURCE_LARGE_HEADER)) -
244 ACPI_GET16 (Source) - Info->Value;
245
246 Resource->Length = Resource->Length + ItemCount;
247 ACPI_SET16 (Destination, ItemCount);
248 break;
249
250 case ACPI_RSC_LENGTH:
251
252 Resource->Length = Resource->Length + Info->Value;
253 break;
254
255 case ACPI_RSC_MOVE8:
256 case ACPI_RSC_MOVE16:
257 case ACPI_RSC_MOVE32:
258 case ACPI_RSC_MOVE64:
259 /*
260 * Raw data move. Use the Info value field unless ItemCount has
261 * been previously initialized via a COUNT opcode
262 */
263 if (Info->Value)
264 {
265 ItemCount = Info->Value;
266 }
267 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
268 break;
269
270 case ACPI_RSC_MOVE_GPIO_PIN:
271
272 /* Generate and set the PIN data pointer */
273
274 Target = (char *) ACPI_ADD_PTR (void, Resource,
275 (Resource->Length - ItemCount * 2));
276 *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
277
278 /* Copy the PIN data */
279
280 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
281 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
282 break;
283
284 case ACPI_RSC_MOVE_GPIO_RES:
285
286 /* Generate and set the ResourceSource string pointer */
287
288 Target = (char *) ACPI_ADD_PTR (void, Resource,
289 (Resource->Length - ItemCount));
290 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
291
292 /* Copy the ResourceSource string */
293
294 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
295 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
296 break;
297
298 case ACPI_RSC_MOVE_SERIAL_VEN:
299
300 /* Generate and set the Vendor Data pointer */
301
302 Target = (char *) ACPI_ADD_PTR (void, Resource,
303 (Resource->Length - ItemCount));
304 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
305
306 /* Copy the Vendor Data */
307
308 Source = ACPI_ADD_PTR (void, Aml, Info->Value);
309 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
310 break;
311
312 case ACPI_RSC_MOVE_SERIAL_RES:
313
314 /* Generate and set the ResourceSource string pointer */
315
316 Target = (char *) ACPI_ADD_PTR (void, Resource,
317 (Resource->Length - ItemCount));
318 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
319
320 /* Copy the ResourceSource string */
321
322 Source = ACPI_ADD_PTR (
323 void, Aml, (ACPI_GET16 (Source) + Info->Value));
324 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
325 break;
326
327 case ACPI_RSC_SET8:
328
329 memset (Destination, Info->AmlOffset, Info->Value);
330 break;
331
332 case ACPI_RSC_DATA8:
333
334 Target = ACPI_ADD_PTR (char, Resource, Info->Value);
335 memcpy (Destination, Source, ACPI_GET16 (Target));
336 break;
337
338 case ACPI_RSC_ADDRESS:
339 /*
340 * Common handler for address descriptor flags
341 */
342 if (!AcpiRsGetAddressCommon (Resource, Aml))
343 {
344 return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
345 }
346 break;
347
348 case ACPI_RSC_SOURCE:
349 /*
350 * Optional ResourceSource (Index and String)
351 */
352 Resource->Length +=
353 AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
354 Destination, Aml, NULL);
355 break;
356
357 case ACPI_RSC_SOURCEX:
358 /*
359 * Optional ResourceSource (Index and String). This is the more
360 * complicated case used by the Interrupt() macro
361 */
362 Target = ACPI_ADD_PTR (char, Resource,
363 Info->AmlOffset + (ItemCount * 4));
364
365 Resource->Length +=
366 AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
367 (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
368 Destination, Aml, Target);
369 break;
370
371 case ACPI_RSC_BITMASK:
372 /*
373 * 8-bit encoded bitmask (DMA macro)
374 */
375 ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
376 if (ItemCount)
377 {
378 Resource->Length += (ItemCount - 1);
379 }
380
381 Target = ACPI_ADD_PTR (char, Resource, Info->Value);
382 ACPI_SET8 (Target, ItemCount);
383 break;
384
385 case ACPI_RSC_BITMASK16:
386 /*
387 * 16-bit encoded bitmask (IRQ macro)
388 */
389 ACPI_MOVE_16_TO_16 (&Temp16, Source);
390
391 ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
392 if (ItemCount)
393 {
394 Resource->Length += (ItemCount - 1);
395 }
396
397 Target = ACPI_ADD_PTR (char, Resource, Info->Value);
398 ACPI_SET8 (Target, ItemCount);
399 break;
400
401 case ACPI_RSC_EXIT_NE:
402 /*
403 * Control - Exit conversion if not equal
404 */
405 switch (Info->ResourceOffset)
406 {
407 case ACPI_RSC_COMPARE_AML_LENGTH:
408
409 if (AmlResourceLength != Info->Value)
410 {
411 goto Exit;
412 }
413 break;
414
415 case ACPI_RSC_COMPARE_VALUE:
416
417 if (ACPI_GET8 (Source) != Info->Value)
418 {
419 goto Exit;
420 }
421 break;
422
423 default:
424
425 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
426 return_ACPI_STATUS (AE_BAD_PARAMETER);
427 }
428 break;
429
430 default:
431
432 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
433 return_ACPI_STATUS (AE_BAD_PARAMETER);
434 }
435
436 Count--;
437 Info++;
438 }
439
440 Exit:
441 if (!FlagsMode)
442 {
443 /* Round the resource struct length up to the next boundary (32 or 64) */
444
445 Resource->Length = (UINT32)
446 ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
447 }
448 return_ACPI_STATUS (AE_OK);
449 }
450
451
452 /*******************************************************************************
453 *
454 * FUNCTION: AcpiRsConvertResourceToAml
455 *
456 * PARAMETERS: Resource - Pointer to the resource descriptor
457 * Aml - Where the AML descriptor is returned
458 * Info - Pointer to appropriate conversion table
459 *
460 * RETURN: Status
461 *
462 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
463 * external AML resource descriptor.
464 *
465 ******************************************************************************/
466
467 ACPI_STATUS
AcpiRsConvertResourceToAml(ACPI_RESOURCE * Resource,AML_RESOURCE * Aml,ACPI_RSCONVERT_INFO * Info)468 AcpiRsConvertResourceToAml (
469 ACPI_RESOURCE *Resource,
470 AML_RESOURCE *Aml,
471 ACPI_RSCONVERT_INFO *Info)
472 {
473 void *Source = NULL;
474 void *Destination;
475 char *Target;
476 ACPI_RSDESC_SIZE AmlLength = 0;
477 UINT8 Count;
478 UINT16 Temp16 = 0;
479 UINT16 ItemCount = 0;
480
481
482 ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
483
484
485 if (!Info)
486 {
487 return_ACPI_STATUS (AE_BAD_PARAMETER);
488 }
489
490 /*
491 * First table entry must be ACPI_RSC_INITxxx and must contain the
492 * table length (# of table entries)
493 */
494 Count = INIT_TABLE_LENGTH (Info);
495
496 while (Count)
497 {
498 /*
499 * Source is the internal resource descriptor,
500 * destination is the external AML byte stream buffer
501 */
502 Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
503 Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
504
505 switch (Info->Opcode)
506 {
507 case ACPI_RSC_INITSET:
508
509 memset (Aml, 0, INIT_RESOURCE_LENGTH (Info));
510 AmlLength = INIT_RESOURCE_LENGTH (Info);
511 AcpiRsSetResourceHeader (
512 INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
513 break;
514
515 case ACPI_RSC_INITGET:
516 break;
517
518 case ACPI_RSC_FLAGINIT:
519 /*
520 * Clear the flag byte
521 */
522 ACPI_SET8 (Destination, 0);
523 break;
524
525 case ACPI_RSC_1BITFLAG:
526 /*
527 * Mask and shift the flag bit
528 */
529 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
530 ((ACPI_GET8 (Source) & 0x01) << Info->Value));
531 break;
532
533 case ACPI_RSC_2BITFLAG:
534 /*
535 * Mask and shift the flag bits
536 */
537 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
538 ((ACPI_GET8 (Source) & 0x03) << Info->Value));
539 break;
540
541 case ACPI_RSC_3BITFLAG:
542 /*
543 * Mask and shift the flag bits
544 */
545 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
546 ((ACPI_GET8 (Source) & 0x07) << Info->Value));
547 break;
548
549 case ACPI_RSC_COUNT:
550
551 ItemCount = ACPI_GET8 (Source);
552 ACPI_SET8 (Destination, ItemCount);
553
554 AmlLength = (UINT16)
555 (AmlLength + (Info->Value * (ItemCount - 1)));
556 break;
557
558 case ACPI_RSC_COUNT16:
559
560 ItemCount = ACPI_GET16 (Source);
561 AmlLength = (UINT16) (AmlLength + ItemCount);
562 AcpiRsSetResourceLength (AmlLength, Aml);
563 break;
564
565 case ACPI_RSC_COUNT_GPIO_PIN:
566
567 ItemCount = ACPI_GET16 (Source);
568 ACPI_SET16 (Destination, AmlLength);
569
570 AmlLength = (UINT16) (AmlLength + ItemCount * 2);
571 Target = ACPI_ADD_PTR (void, Aml, Info->Value);
572 ACPI_SET16 (Target, AmlLength);
573 AcpiRsSetResourceLength (AmlLength, Aml);
574 break;
575
576 case ACPI_RSC_COUNT_GPIO_VEN:
577
578 ItemCount = ACPI_GET16 (Source);
579 ACPI_SET16 (Destination, ItemCount);
580
581 AmlLength = (UINT16) (
582 AmlLength + (Info->Value * ItemCount));
583 AcpiRsSetResourceLength (AmlLength, Aml);
584 break;
585
586 case ACPI_RSC_COUNT_GPIO_RES:
587
588 /* Set resource source string length */
589
590 ItemCount = ACPI_GET16 (Source);
591 ACPI_SET16 (Destination, AmlLength);
592
593 /* Compute offset for the Vendor Data */
594
595 AmlLength = (UINT16) (AmlLength + ItemCount);
596 Target = ACPI_ADD_PTR (void, Aml, Info->Value);
597
598 /* Set vendor offset only if there is vendor data */
599
600 if (Resource->Data.Gpio.VendorLength)
601 {
602 ACPI_SET16 (Target, AmlLength);
603 }
604
605 AcpiRsSetResourceLength (AmlLength, Aml);
606 break;
607
608 case ACPI_RSC_COUNT_SERIAL_VEN:
609
610 ItemCount = ACPI_GET16 (Source);
611 ACPI_SET16 (Destination, ItemCount + Info->Value);
612 AmlLength = (UINT16) (AmlLength + ItemCount);
613 AcpiRsSetResourceLength (AmlLength, Aml);
614 break;
615
616 case ACPI_RSC_COUNT_SERIAL_RES:
617
618 ItemCount = ACPI_GET16 (Source);
619 AmlLength = (UINT16) (AmlLength + ItemCount);
620 AcpiRsSetResourceLength (AmlLength, Aml);
621 break;
622
623 case ACPI_RSC_LENGTH:
624
625 AcpiRsSetResourceLength (Info->Value, Aml);
626 break;
627
628 case ACPI_RSC_MOVE8:
629 case ACPI_RSC_MOVE16:
630 case ACPI_RSC_MOVE32:
631 case ACPI_RSC_MOVE64:
632
633 if (Info->Value)
634 {
635 ItemCount = Info->Value;
636 }
637 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
638 break;
639
640 case ACPI_RSC_MOVE_GPIO_PIN:
641
642 Destination = (char *) ACPI_ADD_PTR (void, Aml,
643 ACPI_GET16 (Destination));
644 Source = * (UINT16 **) Source;
645 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
646 break;
647
648 case ACPI_RSC_MOVE_GPIO_RES:
649
650 /* Used for both ResourceSource string and VendorData */
651
652 Destination = (char *) ACPI_ADD_PTR (void, Aml,
653 ACPI_GET16 (Destination));
654 Source = * (UINT8 **) Source;
655 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
656 break;
657
658 case ACPI_RSC_MOVE_SERIAL_VEN:
659
660 Destination = (char *) ACPI_ADD_PTR (void, Aml,
661 (AmlLength - ItemCount));
662 Source = * (UINT8 **) Source;
663 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
664 break;
665
666 case ACPI_RSC_MOVE_SERIAL_RES:
667
668 Destination = (char *) ACPI_ADD_PTR (void, Aml,
669 (AmlLength - ItemCount));
670 Source = * (UINT8 **) Source;
671 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
672 break;
673
674 case ACPI_RSC_ADDRESS:
675
676 /* Set the Resource Type, General Flags, and Type-Specific Flags */
677
678 AcpiRsSetAddressCommon (Aml, Resource);
679 break;
680
681 case ACPI_RSC_SOURCEX:
682 /*
683 * Optional ResourceSource (Index and String)
684 */
685 AmlLength = AcpiRsSetResourceSource (
686 Aml, (ACPI_RS_LENGTH) AmlLength, Source);
687 AcpiRsSetResourceLength (AmlLength, Aml);
688 break;
689
690 case ACPI_RSC_SOURCE:
691 /*
692 * Optional ResourceSource (Index and String). This is the more
693 * complicated case used by the Interrupt() macro
694 */
695 AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
696 AcpiRsSetResourceLength (AmlLength, Aml);
697 break;
698
699 case ACPI_RSC_BITMASK:
700 /*
701 * 8-bit encoded bitmask (DMA macro)
702 */
703 ACPI_SET8 (Destination,
704 AcpiRsEncodeBitmask (Source,
705 *ACPI_ADD_PTR (UINT8, Resource, Info->Value)));
706 break;
707
708 case ACPI_RSC_BITMASK16:
709 /*
710 * 16-bit encoded bitmask (IRQ macro)
711 */
712 Temp16 = AcpiRsEncodeBitmask (
713 Source, *ACPI_ADD_PTR (UINT8, Resource, Info->Value));
714 ACPI_MOVE_16_TO_16 (Destination, &Temp16);
715 break;
716
717 case ACPI_RSC_EXIT_LE:
718 /*
719 * Control - Exit conversion if less than or equal
720 */
721 if (ItemCount <= Info->Value)
722 {
723 goto Exit;
724 }
725 break;
726
727 case ACPI_RSC_EXIT_NE:
728 /*
729 * Control - Exit conversion if not equal
730 */
731 switch (COMPARE_OPCODE (Info))
732 {
733 case ACPI_RSC_COMPARE_VALUE:
734
735 if (*ACPI_ADD_PTR (UINT8, Resource,
736 COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
737 {
738 goto Exit;
739 }
740 break;
741
742 default:
743
744 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
745 return_ACPI_STATUS (AE_BAD_PARAMETER);
746 }
747 break;
748
749 case ACPI_RSC_EXIT_EQ:
750 /*
751 * Control - Exit conversion if equal
752 */
753 if (*ACPI_ADD_PTR (UINT8, Resource,
754 COMPARE_TARGET (Info)) == COMPARE_VALUE (Info))
755 {
756 goto Exit;
757 }
758 break;
759
760 default:
761
762 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
763 return_ACPI_STATUS (AE_BAD_PARAMETER);
764 }
765
766 Count--;
767 Info++;
768 }
769
770 Exit:
771 return_ACPI_STATUS (AE_OK);
772 }
773
774
775 #if 0
776 /* Previous resource validations */
777
778 if (Aml->ExtAddress64.RevisionID !=
779 AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
780 {
781 return_ACPI_STATUS (AE_SUPPORT);
782 }
783
784 if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
785 {
786 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
787 }
788
789 if (((Aml->Irq.Flags & 0x09) == 0x00) ||
790 ((Aml->Irq.Flags & 0x09) == 0x09))
791 {
792 /*
793 * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
794 * polarity/trigger interrupts are allowed (ACPI spec, section
795 * "IRQ Format"), so 0x00 and 0x09 are illegal.
796 */
797 ACPI_ERROR ((AE_INFO,
798 "Invalid interrupt polarity/trigger in resource list, 0x%X",
799 Aml->Irq.Flags));
800 return_ACPI_STATUS (AE_BAD_DATA);
801 }
802
803 Resource->Data.ExtendedIrq.InterruptCount = Temp8;
804 if (Temp8 < 1)
805 {
806 /* Must have at least one IRQ */
807
808 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
809 }
810
811 if (Resource->Data.Dma.Transfer == 0x03)
812 {
813 ACPI_ERROR ((AE_INFO,
814 "Invalid DMA.Transfer preference (3)"));
815 return_ACPI_STATUS (AE_BAD_DATA);
816 }
817 #endif
818