1/*******************************************************************************
2 *
3 * Module Name: rsmisc - Miscellaneous resource descriptors
4 *
5 ******************************************************************************/
6
7/******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2023, 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 * Alternatively, you may choose to be licensed under the terms of the
117 * following license:
118 *
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
121 * are met:
122 * 1. Redistributions of source code must retain the above copyright
123 *    notice, this list of conditions, and the following disclaimer,
124 *    without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 *    substantially similar to the "NO WARRANTY" disclaimer below
127 *    ("Disclaimer") and any redistribution must be conditioned upon
128 *    including a substantially similar Disclaimer requirement for further
129 *    binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 *    of any contributors may be used to endorse or promote products derived
132 *    from this software without specific prior written permission.
133 *
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145 *
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
149 *
150 *****************************************************************************/
151
152#include "acpi.h"
153#include "accommon.h"
154#include "acresrc.h"
155
156#define _COMPONENT          ACPI_RESOURCES
157        ACPI_MODULE_NAME    ("rsmisc")
158
159
160#define INIT_RESOURCE_TYPE(i)       i->ResourceOffset
161#define INIT_RESOURCE_LENGTH(i)     i->AmlOffset
162#define INIT_TABLE_LENGTH(i)        i->Value
163
164#define COMPARE_OPCODE(i)           i->ResourceOffset
165#define COMPARE_TARGET(i)           i->AmlOffset
166#define COMPARE_VALUE(i)            i->Value
167
168
169/*******************************************************************************
170 *
171 * FUNCTION:    AcpiRsConvertAmlToResource
172 *
173 * PARAMETERS:  Resource            - Pointer to the resource descriptor
174 *              Aml                 - Where the AML descriptor is returned
175 *              Info                - Pointer to appropriate conversion table
176 *
177 * RETURN:      Status
178 *
179 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
180 *              internal resource descriptor
181 *
182 ******************************************************************************/
183
184ACPI_STATUS
185AcpiRsConvertAmlToResource (
186    ACPI_RESOURCE           *Resource,
187    AML_RESOURCE            *Aml,
188    ACPI_RSCONVERT_INFO     *Info)
189{
190    ACPI_RS_LENGTH          AmlResourceLength;
191    void                    *Source;
192    void                    *Destination;
193    char                    *Target;
194    UINT8                   Count;
195    UINT8                   FlagsMode = FALSE;
196    UINT16                  ItemCount = 0;
197    UINT16                  Temp16 = 0;
198
199
200    ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
201
202
203    if (!Info)
204    {
205        return_ACPI_STATUS (AE_BAD_PARAMETER);
206    }
207
208    if (((ACPI_SIZE) Resource) & 0x3)
209    {
210        /* Each internal resource struct is expected to be 32-bit aligned */
211
212        ACPI_WARNING ((AE_INFO,
213            "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
214            Resource, Resource->Type, Resource->Length));
215    }
216
217    /* Extract the resource Length field (does not include header length) */
218
219    AmlResourceLength = AcpiUtGetResourceLength (Aml);
220
221    /*
222     * First table entry must be ACPI_RSC_INITxxx and must contain the
223     * table length (# of table entries)
224     */
225    Count = INIT_TABLE_LENGTH (Info);
226    while (Count)
227    {
228        Target = NULL;
229
230        /*
231         * Source is the external AML byte stream buffer,
232         * destination is the internal resource descriptor
233         */
234        Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
235        Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
236
237        switch (Info->Opcode)
238        {
239        case ACPI_RSC_INITGET:
240            /*
241             * Get the resource type and the initial (minimum) length
242             */
243            memset (Resource, 0, INIT_RESOURCE_LENGTH (Info));
244            Resource->Type = INIT_RESOURCE_TYPE (Info);
245            Resource->Length = INIT_RESOURCE_LENGTH (Info);
246            break;
247
248        case ACPI_RSC_INITSET:
249            break;
250
251        case ACPI_RSC_FLAGINIT:
252
253            FlagsMode = TRUE;
254            break;
255
256        case ACPI_RSC_1BITFLAG:
257            /*
258             * Mask and shift the flag bit
259             */
260            ACPI_SET8 (Destination,
261                ((ACPI_GET8 (Source) >> Info->Value) & 0x01));
262            break;
263
264        case ACPI_RSC_2BITFLAG:
265            /*
266             * Mask and shift the flag bits
267             */
268            ACPI_SET8 (Destination,
269                ((ACPI_GET8 (Source) >> Info->Value) & 0x03));
270            break;
271
272        case ACPI_RSC_3BITFLAG:
273            /*
274             * Mask and shift the flag bits
275             */
276            ACPI_SET8 (Destination,
277                ((ACPI_GET8 (Source) >> Info->Value) & 0x07));
278            break;
279
280        case ACPI_RSC_6BITFLAG:
281            /*
282             * Mask and shift the flag bits
283             */
284            ACPI_SET8 (Destination,
285                ((ACPI_GET8 (Source) >> Info->Value) & 0x3F));
286            break;
287
288        case ACPI_RSC_COUNT:
289
290            ItemCount = ACPI_GET8 (Source);
291            ACPI_SET8 (Destination, ItemCount);
292
293            Resource->Length = Resource->Length +
294                (Info->Value * (ItemCount - 1));
295            break;
296
297        case ACPI_RSC_COUNT16:
298
299            ItemCount = AmlResourceLength;
300            ACPI_SET16 (Destination, ItemCount);
301
302            Resource->Length = Resource->Length +
303                (Info->Value * (ItemCount - 1));
304            break;
305
306        case ACPI_RSC_COUNT_GPIO_PIN:
307
308            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
309            ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
310
311            Resource->Length = Resource->Length + ItemCount;
312            ItemCount = ItemCount / 2;
313            ACPI_SET16 (Destination, ItemCount);
314            break;
315
316        case ACPI_RSC_COUNT_GPIO_VEN:
317
318            ItemCount = ACPI_GET8 (Source);
319            ACPI_SET8 (Destination, ItemCount);
320
321            Resource->Length = Resource->Length + (Info->Value * ItemCount);
322            break;
323
324        case ACPI_RSC_COUNT_GPIO_RES:
325            /*
326             * Vendor data is optional (length/offset may both be zero)
327             * Examine vendor data length field first
328             */
329            Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
330            if (ACPI_GET16 (Target))
331            {
332                /* Use vendor offset to get resource source length */
333
334                Target = ACPI_ADD_PTR (void, Aml, Info->Value);
335                ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
336            }
337            else
338            {
339                /* No vendor data to worry about */
340
341                ItemCount = Aml->LargeHeader.ResourceLength +
342                    sizeof (AML_RESOURCE_LARGE_HEADER) -
343                    ACPI_GET16 (Source);
344            }
345
346            Resource->Length = Resource->Length + ItemCount;
347            ACPI_SET16 (Destination, ItemCount);
348            break;
349
350        case ACPI_RSC_COUNT_SERIAL_VEN:
351
352            ACPI_MOVE_16_TO_16(&Temp16, Source);
353            ItemCount = Temp16 - Info->Value;
354
355            Resource->Length = Resource->Length + ItemCount;
356            ACPI_SET16 (Destination, ItemCount);
357            break;
358
359        case ACPI_RSC_COUNT_SERIAL_RES:
360
361            ACPI_MOVE_16_TO_16(&Temp16, Source);
362            ItemCount = (AmlResourceLength +
363                sizeof (AML_RESOURCE_LARGE_HEADER)) -
364                Temp16 - Info->Value;
365
366            Resource->Length = Resource->Length + ItemCount;
367            ACPI_SET16 (Destination, ItemCount);
368            break;
369
370        case ACPI_RSC_LENGTH:
371
372            Resource->Length = Resource->Length + Info->Value;
373            break;
374
375        case ACPI_RSC_MOVE8:
376        case ACPI_RSC_MOVE16:
377        case ACPI_RSC_MOVE32:
378        case ACPI_RSC_MOVE64:
379            /*
380             * Raw data move. Use the Info value field unless ItemCount has
381             * been previously initialized via a COUNT opcode
382             */
383            if (Info->Value)
384            {
385                ItemCount = Info->Value;
386            }
387            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
388            break;
389
390        case ACPI_RSC_MOVE_GPIO_PIN:
391
392            /* Generate and set the PIN data pointer */
393
394            Target = (char *) ACPI_ADD_PTR (void, Resource,
395                (Resource->Length - ItemCount * 2));
396            *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
397
398            /* Copy the PIN data */
399
400            Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
401            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
402            break;
403
404        case ACPI_RSC_MOVE_GPIO_RES:
405
406            /* Generate and set the ResourceSource string pointer */
407
408            Target = (char *) ACPI_ADD_PTR (void, Resource,
409                (Resource->Length - ItemCount));
410            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
411
412            /* Copy the ResourceSource string */
413
414            Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
415            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
416            break;
417
418        case ACPI_RSC_MOVE_SERIAL_VEN:
419
420            /* Generate and set the Vendor Data pointer */
421
422            Target = (char *) ACPI_ADD_PTR (void, Resource,
423                (Resource->Length - ItemCount));
424            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
425
426            /* Copy the Vendor Data */
427
428            Source = ACPI_ADD_PTR (void, Aml, Info->Value);
429            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
430            break;
431
432        case ACPI_RSC_MOVE_SERIAL_RES:
433
434            /* Generate and set the ResourceSource string pointer */
435
436            Target = (char *) ACPI_ADD_PTR (void, Resource,
437                (Resource->Length - ItemCount));
438            *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
439
440            /* Copy the ResourceSource string */
441
442            ACPI_MOVE_16_TO_16 (&Temp16, Source);
443            Source = ACPI_ADD_PTR (
444                void, Aml, (Temp16 + Info->Value));
445            AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
446            break;
447
448        case ACPI_RSC_SET8:
449
450            memset (Destination, Info->AmlOffset, Info->Value);
451            break;
452
453        case ACPI_RSC_DATA8:
454
455            Target = ACPI_ADD_PTR (char, Resource, Info->Value);
456            memcpy (Destination, Source,  ACPI_GET16 (Target));
457            break;
458
459        case ACPI_RSC_ADDRESS:
460            /*
461             * Common handler for address descriptor flags
462             */
463            if (!AcpiRsGetAddressCommon (Resource, Aml))
464            {
465                return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
466            }
467            break;
468
469        case ACPI_RSC_SOURCE:
470            /*
471             * Optional ResourceSource (Index and String)
472             */
473            Resource->Length +=
474                AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
475                    Destination, Aml, NULL);
476            break;
477
478        case ACPI_RSC_SOURCEX:
479            /*
480             * Optional ResourceSource (Index and String). This is the more
481             * complicated case used by the Interrupt() macro
482             */
483            Target = ACPI_ADD_PTR (char, Resource,
484                Info->AmlOffset + (ItemCount * 4));
485
486            Resource->Length +=
487                AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
488                    (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
489                    Destination, Aml, Target);
490            break;
491
492        case ACPI_RSC_BITMASK:
493            /*
494             * 8-bit encoded bitmask (DMA macro)
495             */
496            ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
497            if (ItemCount)
498            {
499                Resource->Length += (ItemCount - 1);
500            }
501
502            Target = ACPI_ADD_PTR (char, Resource, Info->Value);
503            ACPI_SET8 (Target, ItemCount);
504            break;
505
506        case ACPI_RSC_BITMASK16:
507            /*
508             * 16-bit encoded bitmask (IRQ macro)
509             */
510            ACPI_MOVE_16_TO_16 (&Temp16, Source);
511
512            ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
513            if (ItemCount)
514            {
515                Resource->Length += (ItemCount - 1);
516            }
517
518            Target = ACPI_ADD_PTR (char, Resource, Info->Value);
519            ACPI_SET8 (Target, ItemCount);
520            break;
521
522        case ACPI_RSC_EXIT_NE:
523            /*
524             * Control - Exit conversion if not equal
525             */
526            switch (Info->ResourceOffset)
527            {
528            case ACPI_RSC_COMPARE_AML_LENGTH:
529
530                if (AmlResourceLength != Info->Value)
531                {
532                    goto Exit;
533                }
534                break;
535
536            case ACPI_RSC_COMPARE_VALUE:
537
538                if (ACPI_GET8 (Source) != Info->Value)
539                {
540                    goto Exit;
541                }
542                break;
543
544            default:
545
546                ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
547                return_ACPI_STATUS (AE_BAD_PARAMETER);
548            }
549            break;
550
551        default:
552
553            ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
554            return_ACPI_STATUS (AE_BAD_PARAMETER);
555        }
556
557        Count--;
558        Info++;
559    }
560
561Exit:
562    if (!FlagsMode)
563    {
564        /* Round the resource struct length up to the next boundary (32 or 64) */
565
566        Resource->Length = (UINT32)
567            ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
568    }
569    return_ACPI_STATUS (AE_OK);
570}
571
572
573/*******************************************************************************
574 *
575 * FUNCTION:    AcpiRsConvertResourceToAml
576 *
577 * PARAMETERS:  Resource            - Pointer to the resource descriptor
578 *              Aml                 - Where the AML descriptor is returned
579 *              Info                - Pointer to appropriate conversion table
580 *
581 * RETURN:      Status
582 *
583 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
584 *              external AML resource descriptor.
585 *
586 ******************************************************************************/
587
588ACPI_STATUS
589AcpiRsConvertResourceToAml (
590    ACPI_RESOURCE           *Resource,
591    AML_RESOURCE            *Aml,
592    ACPI_RSCONVERT_INFO     *Info)
593{
594    void                    *Source = NULL;
595    void                    *Destination;
596    char                    *Target;
597    ACPI_RSDESC_SIZE        AmlLength = 0;
598    UINT8                   Count;
599    UINT16                  Temp16 = 0;
600    UINT16                  ItemCount = 0;
601
602
603    ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
604
605
606    if (!Info)
607    {
608        return_ACPI_STATUS (AE_BAD_PARAMETER);
609    }
610
611    /*
612     * First table entry must be ACPI_RSC_INITxxx and must contain the
613     * table length (# of table entries)
614     */
615    Count = INIT_TABLE_LENGTH (Info);
616
617    while (Count)
618    {
619        /*
620         * Source is the internal resource descriptor,
621         * destination is the external AML byte stream buffer
622         */
623        Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
624        Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
625
626        switch (Info->Opcode)
627        {
628        case ACPI_RSC_INITSET:
629
630            memset (Aml, 0, INIT_RESOURCE_LENGTH (Info));
631            AmlLength = INIT_RESOURCE_LENGTH (Info);
632            AcpiRsSetResourceHeader (
633                INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
634            break;
635
636        case ACPI_RSC_INITGET:
637            break;
638
639        case ACPI_RSC_FLAGINIT:
640            /*
641             * Clear the flag byte
642             */
643            ACPI_SET8 (Destination, 0);
644            break;
645
646        case ACPI_RSC_1BITFLAG:
647            /*
648             * Mask and shift the flag bit
649             */
650            ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
651                ((ACPI_GET8 (Source) & 0x01) << Info->Value));
652            break;
653
654        case ACPI_RSC_2BITFLAG:
655            /*
656             * Mask and shift the flag bits
657             */
658            ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
659                ((ACPI_GET8 (Source) & 0x03) << Info->Value));
660            break;
661
662        case ACPI_RSC_3BITFLAG:
663            /*
664             * Mask and shift the flag bits
665             */
666            ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
667                ((ACPI_GET8 (Source) & 0x07) << Info->Value));
668            break;
669
670        case ACPI_RSC_6BITFLAG:
671            /*
672             * Mask and shift the flag bits
673             */
674            ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
675                ((ACPI_GET8 (Source) & 0x3F) << Info->Value));
676            break;
677
678        case ACPI_RSC_COUNT:
679
680            ItemCount = ACPI_GET8 (Source);
681            ACPI_SET8 (Destination, ItemCount);
682
683            AmlLength = (UINT16)
684                (AmlLength + (Info->Value * (ItemCount - 1)));
685            break;
686
687        case ACPI_RSC_COUNT16:
688
689            ItemCount = ACPI_GET16 (Source);
690            AmlLength = (UINT16) (AmlLength + ItemCount);
691            AcpiRsSetResourceLength (AmlLength, Aml);
692            break;
693
694        case ACPI_RSC_COUNT_GPIO_PIN:
695
696            ItemCount = ACPI_GET16 (Source);
697            ACPI_SET16 (Destination, AmlLength);
698
699            AmlLength = (UINT16) (AmlLength + ItemCount * 2);
700            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
701            ACPI_SET16 (Target, AmlLength);
702            AcpiRsSetResourceLength (AmlLength, Aml);
703            break;
704
705        case ACPI_RSC_COUNT_GPIO_VEN:
706
707            ItemCount = ACPI_GET16 (Source);
708            ACPI_SET16 (Destination, ItemCount);
709
710            AmlLength = (UINT16) (
711                AmlLength + (Info->Value * ItemCount));
712            AcpiRsSetResourceLength (AmlLength, Aml);
713            break;
714
715        case ACPI_RSC_COUNT_GPIO_RES:
716
717            /* Set resource source string length */
718
719            ItemCount = ACPI_GET16 (Source);
720            ACPI_SET16 (Destination, AmlLength);
721
722            /* Compute offset for the Vendor Data */
723
724            AmlLength = (UINT16) (AmlLength + ItemCount);
725            Target = ACPI_ADD_PTR (void, Aml, Info->Value);
726
727            /* Set vendor offset only if there is vendor data */
728
729            ACPI_SET16 (Target, AmlLength);
730
731            AcpiRsSetResourceLength (AmlLength, Aml);
732            break;
733
734        case ACPI_RSC_COUNT_SERIAL_VEN:
735
736            ItemCount = ACPI_GET16 (Source);
737            ACPI_SET16 (Destination, ItemCount + Info->Value);
738            AmlLength = (UINT16) (AmlLength + ItemCount);
739            AcpiRsSetResourceLength (AmlLength, Aml);
740            break;
741
742        case ACPI_RSC_COUNT_SERIAL_RES:
743
744            ItemCount = ACPI_GET16 (Source);
745            AmlLength = (UINT16) (AmlLength + ItemCount);
746            AcpiRsSetResourceLength (AmlLength, Aml);
747            break;
748
749        case ACPI_RSC_LENGTH:
750
751            AcpiRsSetResourceLength (Info->Value, Aml);
752            break;
753
754        case ACPI_RSC_MOVE8:
755        case ACPI_RSC_MOVE16:
756        case ACPI_RSC_MOVE32:
757        case ACPI_RSC_MOVE64:
758
759            if (Info->Value)
760            {
761                ItemCount = Info->Value;
762            }
763            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
764            break;
765
766        case ACPI_RSC_MOVE_GPIO_PIN:
767
768            Destination = (char *) ACPI_ADD_PTR (void, Aml,
769                ACPI_GET16 (Destination));
770            Source = * (UINT16 **) Source;
771            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
772            break;
773
774        case ACPI_RSC_MOVE_GPIO_RES:
775
776            /* Used for both ResourceSource string and VendorData */
777
778            Destination = (char *) ACPI_ADD_PTR (void, Aml,
779                ACPI_GET16 (Destination));
780            Source = * (UINT8 **) Source;
781            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
782            break;
783
784        case ACPI_RSC_MOVE_SERIAL_VEN:
785
786            Destination = (char *) ACPI_ADD_PTR (void, Aml,
787                (AmlLength - ItemCount));
788            Source = * (UINT8 **) Source;
789            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
790            break;
791
792        case ACPI_RSC_MOVE_SERIAL_RES:
793
794            Destination = (char *) ACPI_ADD_PTR (void, Aml,
795                (AmlLength - ItemCount));
796            Source = * (UINT8 **) Source;
797            AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
798            break;
799
800        case ACPI_RSC_ADDRESS:
801
802            /* Set the Resource Type, General Flags, and Type-Specific Flags */
803
804            AcpiRsSetAddressCommon (Aml, Resource);
805            break;
806
807        case ACPI_RSC_SOURCEX:
808            /*
809             * Optional ResourceSource (Index and String)
810             */
811            AmlLength = AcpiRsSetResourceSource (
812                Aml, (ACPI_RS_LENGTH) AmlLength, Source);
813            AcpiRsSetResourceLength (AmlLength, Aml);
814            break;
815
816        case ACPI_RSC_SOURCE:
817            /*
818             * Optional ResourceSource (Index and String). This is the more
819             * complicated case used by the Interrupt() macro
820             */
821            AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
822            AcpiRsSetResourceLength (AmlLength, Aml);
823            break;
824
825        case ACPI_RSC_BITMASK:
826            /*
827             * 8-bit encoded bitmask (DMA macro)
828             */
829            ACPI_SET8 (Destination,
830                AcpiRsEncodeBitmask (Source,
831                    *ACPI_ADD_PTR (UINT8, Resource, Info->Value)));
832            break;
833
834        case ACPI_RSC_BITMASK16:
835            /*
836             * 16-bit encoded bitmask (IRQ macro)
837             */
838            Temp16 = AcpiRsEncodeBitmask (
839                Source, *ACPI_ADD_PTR (UINT8, Resource, Info->Value));
840            ACPI_MOVE_16_TO_16 (Destination, &Temp16);
841            break;
842
843        case ACPI_RSC_EXIT_LE:
844            /*
845             * Control - Exit conversion if less than or equal
846             */
847            if (ItemCount <= Info->Value)
848            {
849                goto Exit;
850            }
851            break;
852
853        case ACPI_RSC_EXIT_NE:
854            /*
855             * Control - Exit conversion if not equal
856             */
857            switch (COMPARE_OPCODE (Info))
858            {
859            case ACPI_RSC_COMPARE_VALUE:
860
861                if (*ACPI_ADD_PTR (UINT8, Resource,
862                    COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
863                {
864                    goto Exit;
865                }
866                break;
867
868            default:
869
870                ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
871                return_ACPI_STATUS (AE_BAD_PARAMETER);
872            }
873            break;
874
875        case ACPI_RSC_EXIT_EQ:
876            /*
877             * Control - Exit conversion if equal
878             */
879            if (*ACPI_ADD_PTR (UINT8, Resource,
880                COMPARE_TARGET (Info)) == COMPARE_VALUE (Info))
881            {
882                goto Exit;
883            }
884            break;
885
886        default:
887
888            ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
889            return_ACPI_STATUS (AE_BAD_PARAMETER);
890        }
891
892        Count--;
893        Info++;
894    }
895
896Exit:
897    return_ACPI_STATUS (AE_OK);
898}
899
900
901#if 0
902/* Previous resource validations */
903
904    if (Aml->ExtAddress64.RevisionID !=
905        AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
906    {
907        return_ACPI_STATUS (AE_SUPPORT);
908    }
909
910    if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
911    {
912        return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
913    }
914
915    if (((Aml->Irq.Flags & 0x09) == 0x00) ||
916        ((Aml->Irq.Flags & 0x09) == 0x09))
917    {
918        /*
919         * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
920         * polarity/trigger interrupts are allowed (ACPI spec, section
921         * "IRQ Format"), so 0x00 and 0x09 are illegal.
922         */
923        ACPI_ERROR ((AE_INFO,
924            "Invalid interrupt polarity/trigger in resource list, 0x%X",
925            Aml->Irq.Flags));
926        return_ACPI_STATUS (AE_BAD_DATA);
927    }
928
929    Resource->Data.ExtendedIrq.InterruptCount = Temp8;
930    if (Temp8 < 1)
931    {
932        /* Must have at least one IRQ */
933
934        return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
935    }
936
937    if (Resource->Data.Dma.Transfer == 0x03)
938    {
939        ACPI_ERROR ((AE_INFO,
940            "Invalid DMA.Transfer preference (3)"));
941        return_ACPI_STATUS (AE_BAD_DATA);
942    }
943#endif
944