1 /******************************************************************************
2  *
3  * Module Name: aslrestype2 - Miscellaneous Large 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 "aslcompiler.h"
153 #include "aslcompiler.y.h"
154 #include "amlcode.h"
155 
156 #define _COMPONENT          ACPI_COMPILER
157         ACPI_MODULE_NAME    ("aslrestype2")
158 
159 /*
160  * This module contains miscellaneous large resource descriptors:
161  *
162  * Register
163  * Interrupt
164  * VendorLong
165  */
166 
167 /*******************************************************************************
168  *
169  * FUNCTION:    RsDoGeneralRegisterDescriptor
170  *
171  * PARAMETERS:  Info                - Parse Op and resource template offset
172  *
173  * RETURN:      Completed resource node
174  *
175  * DESCRIPTION: Construct a long "Register" descriptor
176  *
177  ******************************************************************************/
178 
179 ASL_RESOURCE_NODE *
RsDoGeneralRegisterDescriptor(ASL_RESOURCE_INFO * Info)180 RsDoGeneralRegisterDescriptor (
181     ASL_RESOURCE_INFO       *Info)
182 {
183     AML_RESOURCE            *Descriptor;
184     ACPI_PARSE_OBJECT       *InitializerOp;
185     ASL_RESOURCE_NODE       *Rnode;
186     UINT32                  CurrentByteOffset;
187     UINT32                  i;
188 
189 
190     InitializerOp = Info->DescriptorTypeOp->Asl.Child;
191     CurrentByteOffset = Info->CurrentByteOffset;
192     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
193 
194     Descriptor = Rnode->Buffer;
195     Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
196     Descriptor->GenericReg.ResourceLength = 12;
197 
198     /* Process all child initialization nodes */
199 
200     for (i = 0; InitializerOp; i++)
201     {
202         switch (i)
203         {
204         case 0: /* Address space */
205 
206             Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
207             RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
208                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
209            break;
210 
211         case 1: /* Register Bit Width */
212 
213             Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
214             RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
215                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
216             break;
217 
218         case 2: /* Register Bit Offset */
219 
220             Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
221             RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
222                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
223             break;
224 
225         case 3: /* Register Address */
226 
227             Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
228             RsCreateQwordField (InitializerOp, ACPI_RESTAG_ADDRESS,
229                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
230             break;
231 
232         case 4: /* Access Size (ACPI 3.0) */
233 
234             Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
235             RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
236                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
237 
238             if (Descriptor->GenericReg.AddressSpaceId == ACPI_ADR_SPACE_PLATFORM_COMM)
239             {
240                 break;
241             }
242 
243             if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
244             {
245                 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
246                     InitializerOp, NULL);
247             }
248             break;
249 
250         case 5: /* ResourceTag (ACPI 3.0b) */
251 
252             UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
253             break;
254 
255         default:
256 
257             AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
258             break;
259         }
260 
261         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
262     }
263 
264     return (Rnode);
265 }
266 
267 
268 /*******************************************************************************
269  *
270  * FUNCTION:    RsDoInterruptDescriptor
271  *
272  * PARAMETERS:  Info                - Parse Op and resource template offset
273  *
274  * RETURN:      Completed resource node
275  *
276  * DESCRIPTION: Construct a long "Interrupt" descriptor
277  *
278  ******************************************************************************/
279 
280 ASL_RESOURCE_NODE *
RsDoInterruptDescriptor(ASL_RESOURCE_INFO * Info)281 RsDoInterruptDescriptor (
282     ASL_RESOURCE_INFO       *Info)
283 {
284     AML_RESOURCE            *Descriptor;
285     AML_RESOURCE            *Rover = NULL;
286     ACPI_PARSE_OBJECT       *InitializerOp;
287     ASL_RESOURCE_NODE       *Rnode;
288     UINT16                  StringLength = 0;
289     UINT32                  OptionIndex = 0;
290     UINT32                  CurrentByteOffset;
291     UINT32                  i;
292     BOOLEAN                 HasResSourceIndex = FALSE;
293     UINT8                   ResSourceIndex = 0;
294     UINT8                   *ResSourceString = NULL;
295 
296 
297     InitializerOp = Info->DescriptorTypeOp->Asl.Child;
298     CurrentByteOffset = Info->CurrentByteOffset;
299     StringLength = RsGetStringDataLength (InitializerOp);
300 
301     /* Count the interrupt numbers */
302 
303     for (i = 0; InitializerOp; i++)
304     {
305         InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
306 
307         if (i <= 6)
308         {
309             if (i == 3 &&
310                 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
311             {
312                 /*
313                  * ResourceSourceIndex was specified, always make room for
314                  * it, even if the ResourceSource was omitted.
315                  */
316                 OptionIndex++;
317             }
318 
319             continue;
320         }
321 
322         OptionIndex += 4;
323     }
324 
325     InitializerOp = Info->DescriptorTypeOp->Asl.Child;
326     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
327         1 + OptionIndex + StringLength);
328 
329     Descriptor = Rnode->Buffer;
330     Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
331 
332     /*
333      * Initial descriptor length -- may be enlarged if there are
334      * optional fields present
335      */
336     Descriptor->ExtendedIrq.ResourceLength  = 2;  /* Flags and table length byte */
337     Descriptor->ExtendedIrq.InterruptCount  = 0;
338 
339     Rover = ACPI_CAST_PTR (AML_RESOURCE,
340         (&(Descriptor->ExtendedIrq.Interrupts[0])));
341 
342     /* Process all child initialization nodes */
343 
344     for (i = 0; InitializerOp; i++)
345     {
346         switch (i)
347         {
348         case 0: /* Resource Usage (Default: consumer (1) */
349 
350             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
351             break;
352 
353         case 1: /* Interrupt Type (or Mode - edge/level) */
354 
355             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
356             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
357                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
358             break;
359 
360         case 2: /* Interrupt Level (or Polarity - Active high/low) */
361 
362             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
363             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
364                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
365             break;
366 
367         case 3: /* Share Type - Default: exclusive (0) */
368 
369             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
370             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
371                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
372             break;
373 
374         case 4: /* ResSourceIndex [Optional Field - BYTE] */
375 
376             if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
377             {
378                 HasResSourceIndex = TRUE;
379                 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
380             }
381             break;
382 
383         case 5: /* ResSource [Optional Field - STRING] */
384 
385             if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
386                 (InitializerOp->Asl.Value.String))
387             {
388                 if (StringLength)
389                 {
390                     ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
391                 }
392 
393                 /* ResourceSourceIndex must also be valid */
394 
395                 if (!HasResSourceIndex)
396                 {
397                     AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
398                         InitializerOp, NULL);
399                 }
400             }
401 
402 #if 0
403             /*
404              * Not a valid ResourceSource, ResourceSourceIndex must also
405              * be invalid
406              */
407             else if (HasResSourceIndex)
408             {
409                 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
410                     InitializerOp, NULL);
411             }
412 #endif
413             break;
414 
415         case 6: /* ResourceTag */
416 
417             UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
418             break;
419 
420         default:
421             /*
422              * Interrupt Numbers come through here, repeatedly
423              */
424 
425             /* Maximum 255 interrupts allowed for this descriptor */
426 
427             if (Descriptor->ExtendedIrq.InterruptCount == 255)
428             {
429                 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
430                     InitializerOp, NULL);
431                 return (Rnode);
432             }
433 
434             /* Each interrupt number must be a 32-bit value */
435 
436             if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
437             {
438                 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
439                     InitializerOp, NULL);
440             }
441 
442             /* Save the integer and move pointer to the next one */
443 
444             Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
445             Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
446             Descriptor->ExtendedIrq.InterruptCount++;
447             Descriptor->ExtendedIrq.ResourceLength += 4;
448 
449             /* Case 7: First interrupt number in list */
450 
451             if (i == 7)
452             {
453                 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
454                 {
455                     /* Must be at least one interrupt */
456 
457                     AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
458                         InitializerOp, NULL);
459                 }
460 
461                 /* Check now for duplicates in list */
462 
463                 RsCheckListForDuplicates (InitializerOp);
464 
465                 /* Create a named field at the start of the list */
466 
467                 RsCreateDwordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
468                     CurrentByteOffset +
469                     ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
470             }
471         }
472 
473         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
474     }
475 
476 
477     /* Add optional ResSourceIndex if present */
478 
479     if (HasResSourceIndex)
480     {
481         Rover->ByteItem = ResSourceIndex;
482         Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
483         Descriptor->ExtendedIrq.ResourceLength += 1;
484     }
485 
486     /* Add optional ResSource string if present */
487 
488     if (StringLength && ResSourceString)
489     {
490         strcpy ((char *) Rover, (char *) ResSourceString);
491 
492         Descriptor->ExtendedIrq.ResourceLength = (UINT16)
493             (Descriptor->ExtendedIrq.ResourceLength + StringLength);
494     }
495 
496     Rnode->BufferLength =
497         (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
498         ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
499         + OptionIndex + StringLength;
500     return (Rnode);
501 }
502 
503 
504 /*******************************************************************************
505  *
506  * FUNCTION:    RsDoVendorLargeDescriptor
507  *
508  * PARAMETERS:  Info                - Parse Op and resource template offset
509  *
510  * RETURN:      Completed resource node
511  *
512  * DESCRIPTION: Construct a long "VendorLong" descriptor
513  *
514  ******************************************************************************/
515 
516 ASL_RESOURCE_NODE *
RsDoVendorLargeDescriptor(ASL_RESOURCE_INFO * Info)517 RsDoVendorLargeDescriptor (
518     ASL_RESOURCE_INFO       *Info)
519 {
520     AML_RESOURCE            *Descriptor;
521     ACPI_PARSE_OBJECT       *InitializerOp;
522     ASL_RESOURCE_NODE       *Rnode;
523     UINT8                   *VendorData;
524     UINT32                  i;
525 
526 
527     /* Count the number of data bytes */
528 
529     InitializerOp = Info->DescriptorTypeOp->Asl.Child;
530     InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
531 
532     for (i = 0; InitializerOp; i++)
533     {
534         if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
535         {
536             break;
537         }
538         InitializerOp = InitializerOp->Asl.Next;
539     }
540 
541     InitializerOp = Info->DescriptorTypeOp->Asl.Child;
542     InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
543     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
544 
545     Descriptor = Rnode->Buffer;
546     Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
547     Descriptor->VendorLarge.ResourceLength = (UINT16) i;
548 
549     /* Point to end-of-descriptor for vendor data */
550 
551     VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
552 
553     /* Process all child initialization nodes */
554 
555     for (i = 0; InitializerOp; i++)
556     {
557         if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
558         {
559             break;
560         }
561 
562         VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
563         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
564     }
565 
566     return (Rnode);
567 }
568