1
2 /******************************************************************************
3 *
4 * Module Name: aslrestype2 - Miscellaneous Large resource descriptors
5 *
6 *****************************************************************************/
7
8 /*
9 * Copyright (C) 2000 - 2011, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45
46 #include <contrib/dev/acpica/compiler/aslcompiler.h>
47 #include "aslcompiler.y.h"
48 #include <contrib/dev/acpica/include/amlcode.h>
49
50 #define _COMPONENT ACPI_COMPILER
51 ACPI_MODULE_NAME ("aslrestype2")
52
53 /*
54 * This module contains miscellaneous large resource descriptors:
55 *
56 * Register
57 * Interrupt
58 * VendorLong
59 */
60
61 /*******************************************************************************
62 *
63 * FUNCTION: RsDoGeneralRegisterDescriptor
64 *
65 * PARAMETERS: Op - Parent resource descriptor parse node
66 * CurrentByteOffset - Offset into the resource template AML
67 * buffer (to track references to the desc)
68 *
69 * RETURN: Completed resource node
70 *
71 * DESCRIPTION: Construct a long "Register" descriptor
72 *
73 ******************************************************************************/
74
75 ASL_RESOURCE_NODE *
RsDoGeneralRegisterDescriptor(ACPI_PARSE_OBJECT * Op,UINT32 CurrentByteOffset)76 RsDoGeneralRegisterDescriptor (
77 ACPI_PARSE_OBJECT *Op,
78 UINT32 CurrentByteOffset)
79 {
80 AML_RESOURCE *Descriptor;
81 ACPI_PARSE_OBJECT *InitializerOp;
82 ASL_RESOURCE_NODE *Rnode;
83 UINT32 i;
84
85
86 InitializerOp = Op->Asl.Child;
87 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
88
89 Descriptor = Rnode->Buffer;
90 Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
91 Descriptor->GenericReg.ResourceLength = 12;
92
93 /* Process all child initialization nodes */
94
95 for (i = 0; InitializerOp; i++)
96 {
97 switch (i)
98 {
99 case 0: /* Address space */
100
101 Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
102 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
103 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
104 break;
105
106 case 1: /* Register Bit Width */
107
108 Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
109 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
110 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
111 break;
112
113 case 2: /* Register Bit Offset */
114
115 Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
116 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
117 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
118 break;
119
120 case 3: /* Register Address */
121
122 Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
123 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESS,
124 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
125 break;
126
127 case 4: /* Access Size (ACPI 3.0) */
128
129 Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
130 RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
131 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
132
133 if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
134 {
135 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
136 InitializerOp, NULL);
137 }
138 break;
139
140 case 5: /* ResourceTag (ACPI 3.0b) */
141
142 UtAttachNamepathToOwner (Op, InitializerOp);
143 break;
144
145 default:
146
147 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
148 break;
149 }
150
151 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
152 }
153 return (Rnode);
154 }
155
156
157 /*******************************************************************************
158 *
159 * FUNCTION: RsDoInterruptDescriptor
160 *
161 * PARAMETERS: Op - Parent resource descriptor parse node
162 * CurrentByteOffset - Offset into the resource template AML
163 * buffer (to track references to the desc)
164 *
165 * RETURN: Completed resource node
166 *
167 * DESCRIPTION: Construct a long "Interrupt" descriptor
168 *
169 ******************************************************************************/
170
171 ASL_RESOURCE_NODE *
RsDoInterruptDescriptor(ACPI_PARSE_OBJECT * Op,UINT32 CurrentByteOffset)172 RsDoInterruptDescriptor (
173 ACPI_PARSE_OBJECT *Op,
174 UINT32 CurrentByteOffset)
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 i;
183 BOOLEAN HasResSourceIndex = FALSE;
184 UINT8 ResSourceIndex = 0;
185 UINT8 *ResSourceString = NULL;
186
187
188 InitializerOp = Op->Asl.Child;
189 StringLength = RsGetStringDataLength (InitializerOp);
190
191 /* Count the interrupt numbers */
192
193 for (i = 0; InitializerOp; i++)
194 {
195 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
196
197 if (i <= 6)
198 {
199 if (i == 3 &&
200 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
201 {
202 /*
203 * ResourceSourceIndex was specified, always make room for
204 * it, even if the ResourceSource was omitted.
205 */
206 OptionIndex++;
207 }
208
209 continue;
210 }
211
212 OptionIndex += 4;
213 }
214
215 InitializerOp = Op->Asl.Child;
216 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
217 1 + OptionIndex + StringLength);
218
219 Descriptor = Rnode->Buffer;
220 Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
221
222 /*
223 * Initial descriptor length -- may be enlarged if there are
224 * optional fields present
225 */
226 Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */
227 Descriptor->ExtendedIrq.InterruptCount = 0;
228
229 Rover = ACPI_CAST_PTR (AML_RESOURCE,
230 (&(Descriptor->ExtendedIrq.Interrupts[0])));
231
232 /* Process all child initialization nodes */
233
234 for (i = 0; InitializerOp; i++)
235 {
236 switch (i)
237 {
238 case 0: /* Resource Usage (Default: consumer (1) */
239
240 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
241 break;
242
243 case 1: /* Interrupt Type (or Mode - edge/level) */
244
245 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
246 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
247 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
248 break;
249
250 case 2: /* Interrupt Level (or Polarity - Active high/low) */
251
252 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
253 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
254 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
255 break;
256
257 case 3: /* Share Type - Default: exclusive (0) */
258
259 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
260 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
261 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
262 break;
263
264 case 4: /* ResSourceIndex [Optional Field - BYTE] */
265
266 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
267 {
268 HasResSourceIndex = TRUE;
269 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
270 }
271 break;
272
273 case 5: /* ResSource [Optional Field - STRING] */
274
275 if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
276 (InitializerOp->Asl.Value.String))
277 {
278 if (StringLength)
279 {
280 ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
281 }
282
283 /* ResourceSourceIndex must also be valid */
284
285 if (!HasResSourceIndex)
286 {
287 AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
288 InitializerOp, NULL);
289 }
290 }
291
292 #if 0
293 /*
294 * Not a valid ResourceSource, ResourceSourceIndex must also
295 * be invalid
296 */
297 else if (HasResSourceIndex)
298 {
299 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
300 InitializerOp, NULL);
301 }
302 #endif
303 break;
304
305 case 6: /* ResourceTag */
306
307 UtAttachNamepathToOwner (Op, InitializerOp);
308 break;
309
310 default:
311 /*
312 * Interrupt Numbers come through here, repeatedly
313 */
314
315 /* Maximum 255 interrupts allowed for this descriptor */
316
317 if (Descriptor->ExtendedIrq.InterruptCount == 255)
318 {
319 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
320 InitializerOp, NULL);
321 return (Rnode);
322 }
323
324 /* Each interrupt number must be a 32-bit value */
325
326 if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
327 {
328 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
329 InitializerOp, NULL);
330 }
331
332 /* Save the integer and move pointer to the next one */
333
334 Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
335 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
336 Descriptor->ExtendedIrq.InterruptCount++;
337 Descriptor->ExtendedIrq.ResourceLength += 4;
338
339 /* Case 7: First interrupt number in list */
340
341 if (i == 7)
342 {
343 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
344 {
345 /* Must be at least one interrupt */
346
347 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
348 InitializerOp, NULL);
349 }
350
351 /* Check now for duplicates in list */
352
353 RsCheckListForDuplicates (InitializerOp);
354
355 /* Create a named field at the start of the list */
356
357 RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT,
358 CurrentByteOffset +
359 ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
360 }
361 }
362
363 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
364 }
365
366
367 /* Add optional ResSourceIndex if present */
368
369 if (HasResSourceIndex)
370 {
371 Rover->ByteItem = ResSourceIndex;
372 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
373 Descriptor->ExtendedIrq.ResourceLength += 1;
374 }
375
376 /* Add optional ResSource string if present */
377
378 if (StringLength && ResSourceString)
379 {
380
381 strcpy ((char *) Rover, (char *) ResSourceString);
382 Rover = ACPI_ADD_PTR (
383 AML_RESOURCE, &(Rover->ByteItem), StringLength);
384
385 Descriptor->ExtendedIrq.ResourceLength = (UINT16)
386 (Descriptor->ExtendedIrq.ResourceLength + StringLength);
387 }
388
389 Rnode->BufferLength = (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: Op - Parent resource descriptor parse node
401 * CurrentByteOffset - Offset into the resource template AML
402 * buffer (to track references to the desc)
403 *
404 * RETURN: Completed resource node
405 *
406 * DESCRIPTION: Construct a long "VendorLong" descriptor
407 *
408 ******************************************************************************/
409
410 ASL_RESOURCE_NODE *
RsDoVendorLargeDescriptor(ACPI_PARSE_OBJECT * Op,UINT32 CurrentByteOffset)411 RsDoVendorLargeDescriptor (
412 ACPI_PARSE_OBJECT *Op,
413 UINT32 CurrentByteOffset)
414 {
415 AML_RESOURCE *Descriptor;
416 ACPI_PARSE_OBJECT *InitializerOp;
417 ASL_RESOURCE_NODE *Rnode;
418 UINT8 *VendorData;
419 UINT32 i;
420
421
422 /* Count the number of data bytes */
423
424 InitializerOp = Op->Asl.Child;
425 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
426
427 for (i = 0; InitializerOp; i++)
428 {
429 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
430 {
431 break;
432 }
433 InitializerOp = InitializerOp->Asl.Next;
434 }
435
436 InitializerOp = Op->Asl.Child;
437 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
438 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
439
440 Descriptor = Rnode->Buffer;
441 Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
442 Descriptor->VendorLarge.ResourceLength = (UINT16) i;
443
444 /* Point to end-of-descriptor for vendor data */
445
446 VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
447
448 /* Process all child initialization nodes */
449
450 for (i = 0; InitializerOp; i++)
451 {
452 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
453 {
454 break;
455 }
456
457 VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
458 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
459 }
460
461 return (Rnode);
462 }
463