1 /******************************************************************************
2 *
3 * Module Name: aslrestype2 - Miscellaneous Large resource descriptors
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2015, 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 #include <contrib/dev/acpica/compiler/aslcompiler.h>
45 #include "aslcompiler.y.h"
46 #include <contrib/dev/acpica/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.AccessSize > AML_FIELD_ACCESS_QWORD)
131 {
132 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
133 InitializerOp, NULL);
134 }
135 break;
136
137 case 5: /* ResourceTag (ACPI 3.0b) */
138
139 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
140 break;
141
142 default:
143
144 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
145 break;
146 }
147
148 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
149 }
150 return (Rnode);
151 }
152
153
154 /*******************************************************************************
155 *
156 * FUNCTION: RsDoInterruptDescriptor
157 *
158 * PARAMETERS: Info - Parse Op and resource template offset
159 *
160 * RETURN: Completed resource node
161 *
162 * DESCRIPTION: Construct a long "Interrupt" descriptor
163 *
164 ******************************************************************************/
165
166 ASL_RESOURCE_NODE *
RsDoInterruptDescriptor(ASL_RESOURCE_INFO * Info)167 RsDoInterruptDescriptor (
168 ASL_RESOURCE_INFO *Info)
169 {
170 AML_RESOURCE *Descriptor;
171 AML_RESOURCE *Rover = NULL;
172 ACPI_PARSE_OBJECT *InitializerOp;
173 ASL_RESOURCE_NODE *Rnode;
174 UINT16 StringLength = 0;
175 UINT32 OptionIndex = 0;
176 UINT32 CurrentByteOffset;
177 UINT32 i;
178 BOOLEAN HasResSourceIndex = FALSE;
179 UINT8 ResSourceIndex = 0;
180 UINT8 *ResSourceString = NULL;
181
182
183 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
184 CurrentByteOffset = Info->CurrentByteOffset;
185 StringLength = RsGetStringDataLength (InitializerOp);
186
187 /* Count the interrupt numbers */
188
189 for (i = 0; InitializerOp; i++)
190 {
191 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
192
193 if (i <= 6)
194 {
195 if (i == 3 &&
196 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
197 {
198 /*
199 * ResourceSourceIndex was specified, always make room for
200 * it, even if the ResourceSource was omitted.
201 */
202 OptionIndex++;
203 }
204
205 continue;
206 }
207
208 OptionIndex += 4;
209 }
210
211 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
212 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
213 1 + OptionIndex + StringLength);
214
215 Descriptor = Rnode->Buffer;
216 Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
217
218 /*
219 * Initial descriptor length -- may be enlarged if there are
220 * optional fields present
221 */
222 Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */
223 Descriptor->ExtendedIrq.InterruptCount = 0;
224
225 Rover = ACPI_CAST_PTR (AML_RESOURCE,
226 (&(Descriptor->ExtendedIrq.Interrupts[0])));
227
228 /* Process all child initialization nodes */
229
230 for (i = 0; InitializerOp; i++)
231 {
232 switch (i)
233 {
234 case 0: /* Resource Usage (Default: consumer (1) */
235
236 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
237 break;
238
239 case 1: /* Interrupt Type (or Mode - edge/level) */
240
241 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
242 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
243 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
244 break;
245
246 case 2: /* Interrupt Level (or Polarity - Active high/low) */
247
248 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
249 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
250 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
251 break;
252
253 case 3: /* Share Type - Default: exclusive (0) */
254
255 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
256 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
257 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
258 break;
259
260 case 4: /* ResSourceIndex [Optional Field - BYTE] */
261
262 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
263 {
264 HasResSourceIndex = TRUE;
265 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
266 }
267 break;
268
269 case 5: /* ResSource [Optional Field - STRING] */
270
271 if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
272 (InitializerOp->Asl.Value.String))
273 {
274 if (StringLength)
275 {
276 ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
277 }
278
279 /* ResourceSourceIndex must also be valid */
280
281 if (!HasResSourceIndex)
282 {
283 AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
284 InitializerOp, NULL);
285 }
286 }
287
288 #if 0
289 /*
290 * Not a valid ResourceSource, ResourceSourceIndex must also
291 * be invalid
292 */
293 else if (HasResSourceIndex)
294 {
295 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
296 InitializerOp, NULL);
297 }
298 #endif
299 break;
300
301 case 6: /* ResourceTag */
302
303 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
304 break;
305
306 default:
307 /*
308 * Interrupt Numbers come through here, repeatedly
309 */
310
311 /* Maximum 255 interrupts allowed for this descriptor */
312
313 if (Descriptor->ExtendedIrq.InterruptCount == 255)
314 {
315 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
316 InitializerOp, NULL);
317 return (Rnode);
318 }
319
320 /* Each interrupt number must be a 32-bit value */
321
322 if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
323 {
324 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
325 InitializerOp, NULL);
326 }
327
328 /* Save the integer and move pointer to the next one */
329
330 Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
331 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
332 Descriptor->ExtendedIrq.InterruptCount++;
333 Descriptor->ExtendedIrq.ResourceLength += 4;
334
335 /* Case 7: First interrupt number in list */
336
337 if (i == 7)
338 {
339 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
340 {
341 /* Must be at least one interrupt */
342
343 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
344 InitializerOp, NULL);
345 }
346
347 /* Check now for duplicates in list */
348
349 RsCheckListForDuplicates (InitializerOp);
350
351 /* Create a named field at the start of the list */
352
353 RsCreateDwordField (InitializerOp, ACPI_RESTAG_INTERRUPT,
354 CurrentByteOffset +
355 ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
356 }
357 }
358
359 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
360 }
361
362
363 /* Add optional ResSourceIndex if present */
364
365 if (HasResSourceIndex)
366 {
367 Rover->ByteItem = ResSourceIndex;
368 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
369 Descriptor->ExtendedIrq.ResourceLength += 1;
370 }
371
372 /* Add optional ResSource string if present */
373
374 if (StringLength && ResSourceString)
375 {
376
377 strcpy ((char *) Rover, (char *) ResSourceString);
378 Rover = ACPI_ADD_PTR (
379 AML_RESOURCE, &(Rover->ByteItem), StringLength);
380
381 Descriptor->ExtendedIrq.ResourceLength = (UINT16)
382 (Descriptor->ExtendedIrq.ResourceLength + StringLength);
383 }
384
385 Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
386 ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
387 + OptionIndex + StringLength;
388 return (Rnode);
389 }
390
391
392 /*******************************************************************************
393 *
394 * FUNCTION: RsDoVendorLargeDescriptor
395 *
396 * PARAMETERS: Info - Parse Op and resource template offset
397 *
398 * RETURN: Completed resource node
399 *
400 * DESCRIPTION: Construct a long "VendorLong" descriptor
401 *
402 ******************************************************************************/
403
404 ASL_RESOURCE_NODE *
RsDoVendorLargeDescriptor(ASL_RESOURCE_INFO * Info)405 RsDoVendorLargeDescriptor (
406 ASL_RESOURCE_INFO *Info)
407 {
408 AML_RESOURCE *Descriptor;
409 ACPI_PARSE_OBJECT *InitializerOp;
410 ASL_RESOURCE_NODE *Rnode;
411 UINT8 *VendorData;
412 UINT32 i;
413
414
415 /* Count the number of data bytes */
416
417 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
418 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
419
420 for (i = 0; InitializerOp; i++)
421 {
422 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
423 {
424 break;
425 }
426 InitializerOp = InitializerOp->Asl.Next;
427 }
428
429 InitializerOp = Info->DescriptorTypeOp->Asl.Child;
430 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
431 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
432
433 Descriptor = Rnode->Buffer;
434 Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE;
435 Descriptor->VendorLarge.ResourceLength = (UINT16) i;
436
437 /* Point to end-of-descriptor for vendor data */
438
439 VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
440
441 /* Process all child initialization nodes */
442
443 for (i = 0; InitializerOp; i++)
444 {
445 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
446 {
447 break;
448 }
449
450 VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
451 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
452 }
453
454 return (Rnode);
455 }
456