1 /******************************************************************************
2 *
3 * Module Name: aslrestype2 - Miscellaneous Large resource descriptors
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, 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
45 #include "aslcompiler.h"
46 #include "aslcompiler.y.h"
47 #include "amlcode.h"
48
49 #define _COMPONENT ACPI_COMPILER
50 ACPI_MODULE_NAME ("aslrestype2")
51
52 /*
53 * This module contains miscellaneous large resource descriptors:
54 *
55 * Register
56 * Interrupt
57 * VendorLong
58 */
59
60 /*******************************************************************************
61 *
62 * FUNCTION: RsDoGeneralRegisterDescriptor
63 *
64 * PARAMETERS: Op - Parent resource descriptor parse node
65 * CurrentByteOffset - Offset into the resource template AML
66 * buffer (to track references to the desc)
67 *
68 * RETURN: Completed resource node
69 *
70 * DESCRIPTION: Construct a long "Register" descriptor
71 *
72 ******************************************************************************/
73
74 ASL_RESOURCE_NODE *
75 RsDoGeneralRegisterDescriptor (
76 ACPI_PARSE_OBJECT *Op,
77 UINT32 CurrentByteOffset)
78 {
79 AML_RESOURCE *Descriptor;
80 ACPI_PARSE_OBJECT *InitializerOp;
81 ASL_RESOURCE_NODE *Rnode;
82 UINT32 i;
83
84
85 InitializerOp = Op->Asl.Child;
86 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
87
88 Descriptor = Rnode->Buffer;
89 Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
90 Descriptor->GenericReg.ResourceLength = 12;
91
92 /* Process all child initialization nodes */
93
94 for (i = 0; InitializerOp; i++)
95 {
96 switch (i)
97 {
98 case 0: /* Address space */
99
100 Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
101 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
102 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
103 break;
104
105 case 1: /* Register Bit Width */
106
107 Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
108 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
109 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
110 break;
111
112 case 2: /* Register Bit Offset */
113
114 Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
115 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
116 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
117 break;
118
119 case 3: /* Register Address */
120
121 Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
122 RsCreateQwordField (InitializerOp, ACPI_RESTAG_ADDRESS,
123 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
124 break;
125
126 case 4: /* Access Size (ACPI 3.0) */
127
128 Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
129 RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
130 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
131
132 if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
133 {
134 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
135 InitializerOp, NULL);
136 }
137 break;
138
139 case 5: /* ResourceTag (ACPI 3.0b) */
140
141 UtAttachNamepathToOwner (Op, InitializerOp);
142 break;
143
144 default:
145
146 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
147 break;
148 }
149
150 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
151 }
152 return (Rnode);
153 }
154
155
156 /*******************************************************************************
157 *
158 * FUNCTION: RsDoInterruptDescriptor
159 *
160 * PARAMETERS: Op - Parent resource descriptor parse node
161 * CurrentByteOffset - Offset into the resource template AML
162 * buffer (to track references to the desc)
163 *
164 * RETURN: Completed resource node
165 *
166 * DESCRIPTION: Construct a long "Interrupt" descriptor
167 *
168 ******************************************************************************/
169
170 ASL_RESOURCE_NODE *
171 RsDoInterruptDescriptor (
172 ACPI_PARSE_OBJECT *Op,
173 UINT32 CurrentByteOffset)
174 {
175 AML_RESOURCE *Descriptor;
176 AML_RESOURCE *Rover = NULL;
177 ACPI_PARSE_OBJECT *InitializerOp;
178 ASL_RESOURCE_NODE *Rnode;
179 UINT16 StringLength = 0;
180 UINT32 OptionIndex = 0;
181 UINT32 i;
182 BOOLEAN HasResSourceIndex = FALSE;
183 UINT8 ResSourceIndex = 0;
184 UINT8 *ResSourceString = NULL;
185
186
187 InitializerOp = Op->Asl.Child;
188 StringLength = RsGetStringDataLength (InitializerOp);
189
190 /* Count the interrupt numbers */
191
192 for (i = 0; InitializerOp; i++)
193 {
194 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
195
196 if (i <= 6)
197 {
198 if (i == 3 &&
199 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
200 {
201 /*
202 * ResourceSourceIndex was specified, always make room for
203 * it, even if the ResourceSource was omitted.
204 */
205 OptionIndex++;
206 }
207
208 continue;
209 }
210
211 OptionIndex += 4;
212 }
213
214 InitializerOp = Op->Asl.Child;
215 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
216 1 + OptionIndex + StringLength);
217
218 Descriptor = Rnode->Buffer;
219 Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
220
221 /*
222 * Initial descriptor length -- may be enlarged if there are
223 * optional fields present
224 */
225 Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */
226 Descriptor->ExtendedIrq.InterruptCount = 0;
227
228 Rover = ACPI_CAST_PTR (AML_RESOURCE,
229 (&(Descriptor->ExtendedIrq.Interrupts[0])));
230
231 /* Process all child initialization nodes */
232
233 for (i = 0; InitializerOp; i++)
234 {
235 switch (i)
236 {
237 case 0: /* Resource Usage (Default: consumer (1) */
238
239 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
240 break;
241
242 case 1: /* Interrupt Type (or Mode - edge/level) */
243
244 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
245 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
246 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
247 break;
248
249 case 2: /* Interrupt Level (or Polarity - Active high/low) */
250
251 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
252 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
253 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
254 break;
255
256 case 3: /* Share Type - Default: exclusive (0) */
257
258 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
259 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
260 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
261 break;
262
263 case 4: /* ResSourceIndex [Optional Field - BYTE] */
264
265 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
266 {
267 HasResSourceIndex = TRUE;
268 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
269 }
270 break;
271
272 case 5: /* ResSource [Optional Field - STRING] */
273
274 if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
275 (InitializerOp->Asl.Value.String))
276 {
277 if (StringLength)
278 {
279 ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
280 }
281
282 /* ResourceSourceIndex must also be valid */
283
284 if (!HasResSourceIndex)
285 {
286 AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
287 InitializerOp, NULL);
288 }
289 }
290
291 #if 0
292 /*
293 * Not a valid ResourceSource, ResourceSourceIndex must also
294 * be invalid
295 */
296 else if (HasResSourceIndex)
297 {
298 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
299 InitializerOp, NULL);
300 }
301 #endif
302 break;
303
304 case 6: /* ResourceTag */
305
306 UtAttachNamepathToOwner (Op, InitializerOp);
307 break;
308
309 default:
310 /*
311 * Interrupt Numbers come through here, repeatedly
312 */
313
314 /* Maximum 255 interrupts allowed for this descriptor */
315
316 if (Descriptor->ExtendedIrq.InterruptCount == 255)
317 {
318 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
319 InitializerOp, NULL);
320 return (Rnode);
321 }
322
323 /* Each interrupt number must be a 32-bit value */
324
325 if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
326 {
327 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
328 InitializerOp, NULL);
329 }
330
331 /* Save the integer and move pointer to the next one */
332
333 Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
334 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
335 Descriptor->ExtendedIrq.InterruptCount++;
336 Descriptor->ExtendedIrq.ResourceLength += 4;
337
338 /* Case 7: First interrupt number in list */
339
340 if (i == 7)
341 {
342 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
343 {
344 /* Must be at least one interrupt */
345
346 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
347 InitializerOp, NULL);
348 }
349
350 /* Check now for duplicates in list */
351
352 RsCheckListForDuplicates (InitializerOp);
353
354 /* Create a named field at the start of the list */
355
356 RsCreateDwordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
357 CurrentByteOffset +
358 ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
359 }
360 }
361
362 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
363 }
364
365
366 /* Add optional ResSourceIndex if present */
367
368 if (HasResSourceIndex)
369 {
370 Rover->ByteItem = ResSourceIndex;
371 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
372 Descriptor->ExtendedIrq.ResourceLength += 1;
373 }
374
375 /* Add optional ResSource string if present */
376
377 if (StringLength && ResSourceString)
378 {
379
380 strcpy ((char *) Rover, (char *) ResSourceString);
381 Rover = ACPI_ADD_PTR (
382 AML_RESOURCE, &(Rover->ByteItem), StringLength);
383
384 Descriptor->ExtendedIrq.ResourceLength = (UINT16)
385 (Descriptor->ExtendedIrq.ResourceLength + StringLength);
386 }
387
388 Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
389 ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
390 + OptionIndex + StringLength;
391 return (Rnode);
392 }
393
394
395 /*******************************************************************************
396 *
397 * FUNCTION: RsDoVendorLargeDescriptor
398 *
399 * PARAMETERS: Op - Parent resource descriptor parse node
400 * CurrentByteOffset - Offset into the resource template AML
401 * buffer (to track references to the desc)
402 *
403 * RETURN: Completed resource node
404 *
405 * DESCRIPTION: Construct a long "VendorLong" descriptor
406 *
407 ******************************************************************************/
408
409 ASL_RESOURCE_NODE *
410 RsDoVendorLargeDescriptor (
411 ACPI_PARSE_OBJECT *Op,
412 UINT32 CurrentByteOffset)
413 {
414 AML_RESOURCE *Descriptor;
415 ACPI_PARSE_OBJECT *InitializerOp;
416 ASL_RESOURCE_NODE *Rnode;
417 UINT8 *VendorData;
418 UINT32 i;
419
420
421 /* Count the number of data bytes */
422
423 InitializerOp = Op->Asl.Child;
424 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
425
426 for (i = 0; InitializerOp; i++)
427 {
428 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
429 {
430 break;
431 }
432 InitializerOp = InitializerOp->Asl.Next;
433 }
434
435 InitializerOp = Op->Asl.Child;
436 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
437 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
438
439 Descriptor = Rnode->Buffer;
440 Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
441 Descriptor->VendorLarge.ResourceLength = (UINT16) i;
442
443 /* Point to end-of-descriptor for vendor data */
444
445 VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
446
447 /* Process all child initialization nodes */
448
449 for (i = 0; InitializerOp; i++)
450 {
451 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
452 {
453 break;
454 }
455
456 VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
457 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
458 }
459
460 return (Rnode);
461 }