1 /******************************************************************************
2 *
3 * Module Name: aslrestype2 - Miscellaneous Large resource descriptors
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2022, 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 MERCHANTABILITY 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 "aslcompiler.h"
45 #include "aslcompiler.y.h"
46 #include "amlcode.h"
47
48 #define _COMPONENT ACPI_COMPILER
49 ACPI_MODULE_NAME ("aslrestype2")
50
51 /*
52 * This module contains miscellaneous large resource descriptors:
53 *
54 * Register
55 * Interrupt
56 * VendorLong
57 */
58
59 /*******************************************************************************
60 *
61 * FUNCTION: RsDoGeneralRegisterDescriptor
62 *
63 * PARAMETERS: Info - Parse Op and resource template offset
64 *
65 * RETURN: Completed resource node
66 *
67 * DESCRIPTION: Construct a long "Register" descriptor
68 *
69 ******************************************************************************/
70
71 ASL_RESOURCE_NODE *
RsDoGeneralRegisterDescriptor(ASL_RESOURCE_INFO * Info)72 RsDoGeneralRegisterDescriptor (
73 ASL_RESOURCE_INFO *Info)
74 {
75 AML_RESOURCE *Descriptor;
76 ACPI_PARSE_OBJECT *InitializerOp;
77 ASL_RESOURCE_NODE *Rnode;
78 UINT32 CurrentByteOffset;
79 UINT32 i;
80
81
82 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
83 CurrentByteOffset = Info->CurrentByteOffset;
84 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
85
86 Descriptor = Rnode->Buffer;
87 Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
88 Descriptor->GenericReg.ResourceLength = 12;
89
90 /* Process all child initialization nodes */
91
92 for (i = 0; InitializerOp; i++)
93 {
94 switch (i)
95 {
96 case 0: /* Address space */
97
98 Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
99 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
100 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
101 break;
102
103 case 1: /* Register Bit Width */
104
105 Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
106 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
107 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
108 break;
109
110 case 2: /* Register Bit Offset */
111
112 Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
113 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
114 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
115 break;
116
117 case 3: /* Register Address */
118
119 Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
120 RsCreateQwordField (InitializerOp, ACPI_RESTAG_ADDRESS,
121 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
122 break;
123
124 case 4: /* Access Size (ACPI 3.0) */
125
126 Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
127 RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
128 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
129
130 if (Descriptor->GenericReg.AddressSpaceId == ACPI_ADR_SPACE_PLATFORM_COMM)
131 {
132 break;
133 }
134
135 if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
136 {
137 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
138 InitializerOp, NULL);
139 }
140 break;
141
142 case 5: /* ResourceTag (ACPI 3.0b) */
143
144 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
145 break;
146
147 default:
148
149 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
150 break;
151 }
152
153 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
154 }
155
156 return (Rnode);
157 }
158
159
160 /*******************************************************************************
161 *
162 * FUNCTION: RsDoInterruptDescriptor
163 *
164 * PARAMETERS: Info - Parse Op and resource template offset
165 *
166 * RETURN: Completed resource node
167 *
168 * DESCRIPTION: Construct a long "Interrupt" descriptor
169 *
170 ******************************************************************************/
171
172 ASL_RESOURCE_NODE *
RsDoInterruptDescriptor(ASL_RESOURCE_INFO * Info)173 RsDoInterruptDescriptor (
174 ASL_RESOURCE_INFO *Info)
175 {
176 AML_RESOURCE *Descriptor;
177 AML_RESOURCE *Rover = NULL;
178 ACPI_PARSE_OBJECT *InitializerOp;
179 ASL_RESOURCE_NODE *Rnode;
180 UINT16 StringLength = 0;
181 UINT32 OptionIndex = 0;
182 UINT32 CurrentByteOffset;
183 UINT32 i;
184 BOOLEAN HasResSourceIndex = FALSE;
185 UINT8 ResSourceIndex = 0;
186 UINT8 *ResSourceString = NULL;
187
188
189 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
190 CurrentByteOffset = Info->CurrentByteOffset;
191 StringLength = RsGetStringDataLength (InitializerOp);
192
193 /* Count the interrupt numbers */
194
195 for (i = 0; InitializerOp; i++)
196 {
197 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
198
199 if (i <= 6)
200 {
201 if (i == 3 &&
202 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
203 {
204 /*
205 * ResourceSourceIndex was specified, always make room for
206 * it, even if the ResourceSource was omitted.
207 */
208 OptionIndex++;
209 }
210
211 continue;
212 }
213
214 OptionIndex += 4;
215 }
216
217 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
218 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
219 1 + OptionIndex + StringLength);
220
221 Descriptor = Rnode->Buffer;
222 Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
223
224 /*
225 * Initial descriptor length -- may be enlarged if there are
226 * optional fields present
227 */
228 Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */
229 Descriptor->ExtendedIrq.InterruptCount = 0;
230
231 Rover = ACPI_CAST_PTR (AML_RESOURCE,
232 (&(Descriptor->ExtendedIrq.Interrupts[0])));
233
234 /* Process all child initialization nodes */
235
236 for (i = 0; InitializerOp; i++)
237 {
238 switch (i)
239 {
240 case 0: /* Resource Usage (Default: consumer (1) */
241
242 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
243 break;
244
245 case 1: /* Interrupt Type (or Mode - edge/level) */
246
247 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
248 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
249 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
250 break;
251
252 case 2: /* Interrupt Level (or Polarity - Active high/low) */
253
254 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
255 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
256 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
257 break;
258
259 case 3: /* Share Type - Default: exclusive (0) */
260
261 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
262 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
263 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
264 break;
265
266 case 4: /* ResSourceIndex [Optional Field - BYTE] */
267
268 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
269 {
270 HasResSourceIndex = TRUE;
271 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
272 }
273 break;
274
275 case 5: /* ResSource [Optional Field - STRING] */
276
277 if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
278 (InitializerOp->Asl.Value.String))
279 {
280 if (StringLength)
281 {
282 ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
283 }
284
285 /* ResourceSourceIndex must also be valid */
286
287 if (!HasResSourceIndex)
288 {
289 AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
290 InitializerOp, NULL);
291 }
292 }
293
294 #if 0
295 /*
296 * Not a valid ResourceSource, ResourceSourceIndex must also
297 * be invalid
298 */
299 else if (HasResSourceIndex)
300 {
301 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
302 InitializerOp, NULL);
303 }
304 #endif
305 break;
306
307 case 6: /* ResourceTag */
308
309 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
310 break;
311
312 default:
313 /*
314 * Interrupt Numbers come through here, repeatedly
315 */
316
317 /* Maximum 255 interrupts allowed for this descriptor */
318
319 if (Descriptor->ExtendedIrq.InterruptCount == 255)
320 {
321 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
322 InitializerOp, NULL);
323 return (Rnode);
324 }
325
326 /* Each interrupt number must be a 32-bit value */
327
328 if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
329 {
330 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
331 InitializerOp, NULL);
332 }
333
334 /* Save the integer and move pointer to the next one */
335
336 Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
337 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
338 Descriptor->ExtendedIrq.InterruptCount++;
339 Descriptor->ExtendedIrq.ResourceLength += 4;
340
341 /* Case 7: First interrupt number in list */
342
343 if (i == 7)
344 {
345 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
346 {
347 /* Must be at least one interrupt */
348
349 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
350 InitializerOp, NULL);
351 }
352
353 /* Check now for duplicates in list */
354
355 RsCheckListForDuplicates (InitializerOp);
356
357 /* Create a named field at the start of the list */
358
359 RsCreateDwordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
360 CurrentByteOffset +
361 ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
362 }
363 }
364
365 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
366 }
367
368
369 /* Add optional ResSourceIndex if present */
370
371 if (HasResSourceIndex)
372 {
373 Rover->ByteItem = ResSourceIndex;
374 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
375 Descriptor->ExtendedIrq.ResourceLength += 1;
376 }
377
378 /* Add optional ResSource string if present */
379
380 if (StringLength && ResSourceString)
381 {
382 strcpy ((char *) Rover, (char *) ResSourceString);
383
384 Descriptor->ExtendedIrq.ResourceLength = (UINT16)
385 (Descriptor->ExtendedIrq.ResourceLength + StringLength);
386 }
387
388 Rnode->BufferLength =
389 (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
390 ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
391 + OptionIndex + StringLength;
392 return (Rnode);
393 }
394
395
396 /*******************************************************************************
397 *
398 * FUNCTION: RsDoVendorLargeDescriptor
399 *
400 * PARAMETERS: Info - Parse Op and resource template offset
401 *
402 * RETURN: Completed resource node
403 *
404 * DESCRIPTION: Construct a long "VendorLong" descriptor
405 *
406 ******************************************************************************/
407
408 ASL_RESOURCE_NODE *
RsDoVendorLargeDescriptor(ASL_RESOURCE_INFO * Info)409 RsDoVendorLargeDescriptor (
410 ASL_RESOURCE_INFO *Info)
411 {
412 AML_RESOURCE *Descriptor;
413 ACPI_PARSE_OBJECT *InitializerOp;
414 ASL_RESOURCE_NODE *Rnode;
415 UINT8 *VendorData;
416 UINT32 i;
417
418
419 /* Count the number of data bytes */
420
421 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
422 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
423
424 for (i = 0; InitializerOp; i++)
425 {
426 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
427 {
428 break;
429 }
430 InitializerOp = InitializerOp->Asl.Next;
431 }
432
433 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
434 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
435 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
436
437 Descriptor = Rnode->Buffer;
438 Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
439 Descriptor->VendorLarge.ResourceLength = (UINT16) i;
440
441 /* Point to end-of-descriptor for vendor data */
442
443 VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
444
445 /* Process all child initialization nodes */
446
447 for (i = 0; InitializerOp; i++)
448 {
449 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
450 {
451 break;
452 }
453
454 VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
455 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
456 }
457
458 return (Rnode);
459 }
460