1/*******************************************************************************
2 *
3 * Module Name: dmresrc.c - Resource Descriptor disassembly
4 * $Revision: 13 $
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117
118#include "acpi.h"
119#include "amlcode.h"
120#include "acdisasm.h"
121
122#ifdef ACPI_DISASSEMBLER
123
124#define _COMPONENT ACPI_CA_DEBUGGER
125 ACPI_MODULE_NAME ("dbresrc")
126
127
128/*******************************************************************************
129 *
130 * FUNCTION: AcpiDmBitList
131 *
132 * PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt
133 * or DMA values
134 *
135 * RETURN: None
136 *
137 * DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels.
138 *
139 ******************************************************************************/
140
141void
142AcpiDmBitList (
143 UINT16 Mask)
144{
145 UINT32 i;
146 BOOLEAN Previous = FALSE;
147
148
149 /* Open the initializer list */
150
151 AcpiOsPrintf (") {");
152
153 /* Examine each bit */
154
155 for (i = 0; i < 16; i++)
156 {
157 /* Only interested in bits that are set to 1 */
158
159 if (Mask & 1)
160 {
161 if (Previous)
162 {
163 AcpiOsPrintf (",");
164 }
165 Previous = TRUE;
166 AcpiOsPrintf ("%d", i);
167 }
168
169 Mask >>= 1;
170 }
171
172 /* Close list */
173
174 AcpiOsPrintf ("}\n");
175}
176
177
178/*******************************************************************************
179 *
180 * FUNCTION: AcpiDmResourceDescriptor
181 *
182 * PARAMETERS: Info - Curent parse tree walk info
183 * ByteData - Pointer to the byte list data
184 * ByteCount - Length of the byte list
185 *
186 * RETURN: None
187 *
188 * DESCRIPTION: Dump the contents of one ResourceTemplate descriptor.
189 *
190 ******************************************************************************/
191
192void
193AcpiDmResourceDescriptor (
194 ACPI_OP_WALK_INFO *Info,
195 UINT8 *ByteData,
196 UINT32 ByteCount)
197{
198 ACPI_NATIVE_UINT CurrentByteOffset;
199 UINT8 CurrentByte;
200 UINT8 DescriptorId;
201 UINT32 Length;
202 void *DescriptorBody;
203 UINT32 Level;
204 BOOLEAN DependentFns = FALSE;
205
206
207 Level = Info->Level;
208
209 for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; )
210 {
211 CurrentByte = ByteData[CurrentByteOffset];
212 DescriptorBody = &ByteData[CurrentByteOffset];
213
214 if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
215 {
216 DescriptorId = CurrentByte;
217 Length = (* (ACPI_CAST_PTR (UINT16, &ByteData[CurrentByteOffset + 1])));
218 CurrentByteOffset += 3;
219 }
220 else
221 {
222 DescriptorId = (UINT8) (CurrentByte & 0xF8);
223 Length = (ByteData[CurrentByteOffset] & 0x7);
224 CurrentByteOffset += 1;
225 }
226
227 CurrentByteOffset += (ACPI_NATIVE_UINT) Length;
228
229 /* Determine type of resource */
230
231 switch (DescriptorId)
232 {
233 /*
234 * "Small" type descriptors
235 */
236 case ACPI_RDESC_TYPE_IRQ_FORMAT:
237
238 AcpiDmIrqDescriptor (DescriptorBody, Length, Level);
239 break;
240
241
242 case ACPI_RDESC_TYPE_DMA_FORMAT:
243
244 AcpiDmDmaDescriptor (DescriptorBody, Length, Level);
245 break;
246
247
248 case ACPI_RDESC_TYPE_START_DEPENDENT:
249
250 /* Finish a previous StartDependentFns */
251
252 if (DependentFns)
253 {
254 Level--;
255 AcpiDmIndent (Level);
256 AcpiOsPrintf ("}\n");
257 }
258
259 AcpiDmStartDependentDescriptor (DescriptorBody, Length, Level);
260 DependentFns = TRUE;
261 Level++;
262 break;
263
264
265 case ACPI_RDESC_TYPE_END_DEPENDENT:
266
267 Level--;
268 DependentFns = FALSE;
269 AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
270 break;
271
272
273 case ACPI_RDESC_TYPE_IO_PORT:
274
275 AcpiDmIoDescriptor (DescriptorBody, Length, Level);
276 break;
277
278
279 case ACPI_RDESC_TYPE_FIXED_IO_PORT:
280
281 AcpiDmFixedIoDescriptor (DescriptorBody, Length, Level);
282 break;
283
284
285 case ACPI_RDESC_TYPE_SMALL_VENDOR:
286
287 AcpiDmVendorSmallDescriptor (DescriptorBody, Length, Level);
288 break;
289
290
291 case ACPI_RDESC_TYPE_END_TAG:
292
293 if (DependentFns)
294 {
295 /*
296 * Close an open StartDependentDescriptor. This indicates a missing
297 * EndDependentDescriptor.
298 */
299 Level--;
300 DependentFns = FALSE;
301 AcpiDmIndent (Level);
302 AcpiOsPrintf ("}\n");
303 AcpiDmIndent (Level);
304
305 AcpiOsPrintf ("/*** Missing EndDependentFunctions descriptor */");
306
307 /*
308 * We could fix the problem, but then the ASL would not match the AML
309 * So, we don't do this:
310 * AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
311 */
312 }
313 return;
314
315
316 /*
317 * "Large" type descriptors
318 */
319 case ACPI_RDESC_TYPE_MEMORY_24:
320
321 AcpiDmMemory24Descriptor (DescriptorBody, Length, Level);
322 break;
323
324
325 case ACPI_RDESC_TYPE_GENERAL_REGISTER:
326
327 AcpiDmGenericRegisterDescriptor (DescriptorBody, Length, Level);
328 break;
329
330
331 case ACPI_RDESC_TYPE_LARGE_VENDOR:
332
333 AcpiDmVendorLargeDescriptor (DescriptorBody, Length, Level);
334 break;
335
336
337 case ACPI_RDESC_TYPE_MEMORY_32:
338
339 AcpiDmMemory32Descriptor (DescriptorBody, Length, Level);
340 break;
341
342
343 case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
344
345 AcpiDmFixedMem32Descriptor (DescriptorBody, Length, Level);
346 break;
347
348
349 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
350
351 AcpiDmDwordDescriptor (DescriptorBody, Length, Level);
352 break;
353
354
355 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
356
357 AcpiDmWordDescriptor (DescriptorBody, Length, Level);
358 break;
359
360
361 case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
362
363 AcpiDmInterruptDescriptor (DescriptorBody, Length, Level);
364 break;
365
366
367 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
368
369 AcpiDmQwordDescriptor (DescriptorBody, Length, Level);
370 break;
371
372
373 default:
374 /*
375 * Anything else is unrecognized.
376 *
377 * Since the entire resource buffer has been already walked and
378 * validated, this is a very serious error indicating that someone
379 * overwrote the buffer.
380 */
381 AcpiOsPrintf ("/* Unknown Resource type (%X) */\n", DescriptorId);
382 return;
383 }
384 }
385}
386
387
388/*******************************************************************************
389 *
390 * FUNCTION: AcpiDmIsResourceDescriptor
391 *
392 * PARAMETERS: Op - Buffer Op to be examined
393 *
394 * RETURN: TRUE if this Buffer Op contains a valid resource
395 * descriptor.
396 *
397 * DESCRIPTION: Walk a byte list to determine if it consists of a valid set
398 * of resource descriptors. Nothing is output.
399 *
400 ******************************************************************************/
401
402BOOLEAN
403AcpiDmIsResourceDescriptor (
404 ACPI_PARSE_OBJECT *Op)
405{
406 UINT8 *ByteData;
407 UINT32 ByteCount;
408 ACPI_PARSE_OBJECT *NextOp;
409 ACPI_NATIVE_UINT CurrentByteOffset;
410 UINT8 CurrentByte;
411 UINT8 DescriptorId;
412 UINT32 Length;
413
414
415 /* This op must be a buffer */
416
417 if (Op->Common.AmlOpcode != AML_BUFFER_OP)
418 {
419 return FALSE;
420 }
421
422 /* Get to the ByteData list */
423
424 NextOp = Op->Common.Value.Arg;
425 NextOp = NextOp->Common.Next;
426 if (!NextOp)
427 {
428 return (FALSE);
429 }
430
431 /* Extract the data pointer and data length */
432
433 ByteCount = (UINT32) NextOp->Common.Value.Integer;
434 ByteData = NextOp->Named.Data;
435
436 /* Absolute minimum descriptor is an END_TAG (2 bytes) */
437
438 if (ByteCount < 2)
439 {
440 return (FALSE);
441 }
442
443 /* The list must have a valid 2-byte END_TAG */
444
445 if (ByteData[ByteCount-2] != (ACPI_RDESC_TYPE_END_TAG | 1))
446 {
447 return FALSE;
448 }
449
450 /*
451 * Walk the byte list. Abort on any invalid descriptor ID or
452 * or length
453 */
454 for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;)
455 {
456 CurrentByte = ByteData[CurrentByteOffset];
457
458 /* Large or small resource? */
459
460 if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
461 {
462 DescriptorId = CurrentByte;
463 Length = (* (ACPI_CAST_PTR (UINT16, (&ByteData[CurrentByteOffset + 1]))));
464 CurrentByteOffset += 3;
465 }
466 else
467 {
468 DescriptorId = (UINT8) (CurrentByte & 0xF8);
469 Length = (ByteData[CurrentByteOffset] & 0x7);
470 CurrentByteOffset += 1;
471 }
472
473 CurrentByteOffset += (ACPI_NATIVE_UINT) Length;
474
475 /* Determine type of resource */
476
477 switch (DescriptorId)
478 {
479 /*
480 * "Small" type descriptors
481 */
482 case ACPI_RDESC_TYPE_IRQ_FORMAT:
483 case ACPI_RDESC_TYPE_DMA_FORMAT:
484 case ACPI_RDESC_TYPE_START_DEPENDENT:
485 case ACPI_RDESC_TYPE_END_DEPENDENT:
486 case ACPI_RDESC_TYPE_IO_PORT:
487 case ACPI_RDESC_TYPE_FIXED_IO_PORT:
488 case ACPI_RDESC_TYPE_SMALL_VENDOR:
489
490 /*
491 * "Large" type descriptors
492 */
493 case ACPI_RDESC_TYPE_MEMORY_24:
494 case ACPI_RDESC_TYPE_GENERAL_REGISTER:
495 case ACPI_RDESC_TYPE_LARGE_VENDOR:
496 case ACPI_RDESC_TYPE_MEMORY_32:
497 case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
498 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
499 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
500 case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
501 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
502
503 /* Valid descriptor ID, keep going */
504
505 break;
506
507
508 case ACPI_RDESC_TYPE_END_TAG:
509
510 /* We must be at the end of the ByteList */
511
512 if (CurrentByteOffset != ByteCount)
513 {
514 return (FALSE);
515 }
516
517 /* All descriptors/lengths valid, this is a valid descriptor */
518
519 return (TRUE);
520
521
522 default:
523
524 /* Bad descriptor, abort */
525
526 return (FALSE);
527 }
528 }
529
530 /* Did not find an END_TAG, something seriously wrong */
531
532 return (FALSE);
533}
534
535
536#endif
2 *
3 * Module Name: dmresrc.c - Resource Descriptor disassembly
4 * $Revision: 13 $
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117
118#include "acpi.h"
119#include "amlcode.h"
120#include "acdisasm.h"
121
122#ifdef ACPI_DISASSEMBLER
123
124#define _COMPONENT ACPI_CA_DEBUGGER
125 ACPI_MODULE_NAME ("dbresrc")
126
127
128/*******************************************************************************
129 *
130 * FUNCTION: AcpiDmBitList
131 *
132 * PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt
133 * or DMA values
134 *
135 * RETURN: None
136 *
137 * DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels.
138 *
139 ******************************************************************************/
140
141void
142AcpiDmBitList (
143 UINT16 Mask)
144{
145 UINT32 i;
146 BOOLEAN Previous = FALSE;
147
148
149 /* Open the initializer list */
150
151 AcpiOsPrintf (") {");
152
153 /* Examine each bit */
154
155 for (i = 0; i < 16; i++)
156 {
157 /* Only interested in bits that are set to 1 */
158
159 if (Mask & 1)
160 {
161 if (Previous)
162 {
163 AcpiOsPrintf (",");
164 }
165 Previous = TRUE;
166 AcpiOsPrintf ("%d", i);
167 }
168
169 Mask >>= 1;
170 }
171
172 /* Close list */
173
174 AcpiOsPrintf ("}\n");
175}
176
177
178/*******************************************************************************
179 *
180 * FUNCTION: AcpiDmResourceDescriptor
181 *
182 * PARAMETERS: Info - Curent parse tree walk info
183 * ByteData - Pointer to the byte list data
184 * ByteCount - Length of the byte list
185 *
186 * RETURN: None
187 *
188 * DESCRIPTION: Dump the contents of one ResourceTemplate descriptor.
189 *
190 ******************************************************************************/
191
192void
193AcpiDmResourceDescriptor (
194 ACPI_OP_WALK_INFO *Info,
195 UINT8 *ByteData,
196 UINT32 ByteCount)
197{
198 ACPI_NATIVE_UINT CurrentByteOffset;
199 UINT8 CurrentByte;
200 UINT8 DescriptorId;
201 UINT32 Length;
202 void *DescriptorBody;
203 UINT32 Level;
204 BOOLEAN DependentFns = FALSE;
205
206
207 Level = Info->Level;
208
209 for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; )
210 {
211 CurrentByte = ByteData[CurrentByteOffset];
212 DescriptorBody = &ByteData[CurrentByteOffset];
213
214 if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
215 {
216 DescriptorId = CurrentByte;
217 Length = (* (ACPI_CAST_PTR (UINT16, &ByteData[CurrentByteOffset + 1])));
218 CurrentByteOffset += 3;
219 }
220 else
221 {
222 DescriptorId = (UINT8) (CurrentByte & 0xF8);
223 Length = (ByteData[CurrentByteOffset] & 0x7);
224 CurrentByteOffset += 1;
225 }
226
227 CurrentByteOffset += (ACPI_NATIVE_UINT) Length;
228
229 /* Determine type of resource */
230
231 switch (DescriptorId)
232 {
233 /*
234 * "Small" type descriptors
235 */
236 case ACPI_RDESC_TYPE_IRQ_FORMAT:
237
238 AcpiDmIrqDescriptor (DescriptorBody, Length, Level);
239 break;
240
241
242 case ACPI_RDESC_TYPE_DMA_FORMAT:
243
244 AcpiDmDmaDescriptor (DescriptorBody, Length, Level);
245 break;
246
247
248 case ACPI_RDESC_TYPE_START_DEPENDENT:
249
250 /* Finish a previous StartDependentFns */
251
252 if (DependentFns)
253 {
254 Level--;
255 AcpiDmIndent (Level);
256 AcpiOsPrintf ("}\n");
257 }
258
259 AcpiDmStartDependentDescriptor (DescriptorBody, Length, Level);
260 DependentFns = TRUE;
261 Level++;
262 break;
263
264
265 case ACPI_RDESC_TYPE_END_DEPENDENT:
266
267 Level--;
268 DependentFns = FALSE;
269 AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
270 break;
271
272
273 case ACPI_RDESC_TYPE_IO_PORT:
274
275 AcpiDmIoDescriptor (DescriptorBody, Length, Level);
276 break;
277
278
279 case ACPI_RDESC_TYPE_FIXED_IO_PORT:
280
281 AcpiDmFixedIoDescriptor (DescriptorBody, Length, Level);
282 break;
283
284
285 case ACPI_RDESC_TYPE_SMALL_VENDOR:
286
287 AcpiDmVendorSmallDescriptor (DescriptorBody, Length, Level);
288 break;
289
290
291 case ACPI_RDESC_TYPE_END_TAG:
292
293 if (DependentFns)
294 {
295 /*
296 * Close an open StartDependentDescriptor. This indicates a missing
297 * EndDependentDescriptor.
298 */
299 Level--;
300 DependentFns = FALSE;
301 AcpiDmIndent (Level);
302 AcpiOsPrintf ("}\n");
303 AcpiDmIndent (Level);
304
305 AcpiOsPrintf ("/*** Missing EndDependentFunctions descriptor */");
306
307 /*
308 * We could fix the problem, but then the ASL would not match the AML
309 * So, we don't do this:
310 * AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level);
311 */
312 }
313 return;
314
315
316 /*
317 * "Large" type descriptors
318 */
319 case ACPI_RDESC_TYPE_MEMORY_24:
320
321 AcpiDmMemory24Descriptor (DescriptorBody, Length, Level);
322 break;
323
324
325 case ACPI_RDESC_TYPE_GENERAL_REGISTER:
326
327 AcpiDmGenericRegisterDescriptor (DescriptorBody, Length, Level);
328 break;
329
330
331 case ACPI_RDESC_TYPE_LARGE_VENDOR:
332
333 AcpiDmVendorLargeDescriptor (DescriptorBody, Length, Level);
334 break;
335
336
337 case ACPI_RDESC_TYPE_MEMORY_32:
338
339 AcpiDmMemory32Descriptor (DescriptorBody, Length, Level);
340 break;
341
342
343 case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
344
345 AcpiDmFixedMem32Descriptor (DescriptorBody, Length, Level);
346 break;
347
348
349 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
350
351 AcpiDmDwordDescriptor (DescriptorBody, Length, Level);
352 break;
353
354
355 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
356
357 AcpiDmWordDescriptor (DescriptorBody, Length, Level);
358 break;
359
360
361 case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
362
363 AcpiDmInterruptDescriptor (DescriptorBody, Length, Level);
364 break;
365
366
367 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
368
369 AcpiDmQwordDescriptor (DescriptorBody, Length, Level);
370 break;
371
372
373 default:
374 /*
375 * Anything else is unrecognized.
376 *
377 * Since the entire resource buffer has been already walked and
378 * validated, this is a very serious error indicating that someone
379 * overwrote the buffer.
380 */
381 AcpiOsPrintf ("/* Unknown Resource type (%X) */\n", DescriptorId);
382 return;
383 }
384 }
385}
386
387
388/*******************************************************************************
389 *
390 * FUNCTION: AcpiDmIsResourceDescriptor
391 *
392 * PARAMETERS: Op - Buffer Op to be examined
393 *
394 * RETURN: TRUE if this Buffer Op contains a valid resource
395 * descriptor.
396 *
397 * DESCRIPTION: Walk a byte list to determine if it consists of a valid set
398 * of resource descriptors. Nothing is output.
399 *
400 ******************************************************************************/
401
402BOOLEAN
403AcpiDmIsResourceDescriptor (
404 ACPI_PARSE_OBJECT *Op)
405{
406 UINT8 *ByteData;
407 UINT32 ByteCount;
408 ACPI_PARSE_OBJECT *NextOp;
409 ACPI_NATIVE_UINT CurrentByteOffset;
410 UINT8 CurrentByte;
411 UINT8 DescriptorId;
412 UINT32 Length;
413
414
415 /* This op must be a buffer */
416
417 if (Op->Common.AmlOpcode != AML_BUFFER_OP)
418 {
419 return FALSE;
420 }
421
422 /* Get to the ByteData list */
423
424 NextOp = Op->Common.Value.Arg;
425 NextOp = NextOp->Common.Next;
426 if (!NextOp)
427 {
428 return (FALSE);
429 }
430
431 /* Extract the data pointer and data length */
432
433 ByteCount = (UINT32) NextOp->Common.Value.Integer;
434 ByteData = NextOp->Named.Data;
435
436 /* Absolute minimum descriptor is an END_TAG (2 bytes) */
437
438 if (ByteCount < 2)
439 {
440 return (FALSE);
441 }
442
443 /* The list must have a valid 2-byte END_TAG */
444
445 if (ByteData[ByteCount-2] != (ACPI_RDESC_TYPE_END_TAG | 1))
446 {
447 return FALSE;
448 }
449
450 /*
451 * Walk the byte list. Abort on any invalid descriptor ID or
452 * or length
453 */
454 for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;)
455 {
456 CurrentByte = ByteData[CurrentByteOffset];
457
458 /* Large or small resource? */
459
460 if (CurrentByte & ACPI_RDESC_TYPE_LARGE)
461 {
462 DescriptorId = CurrentByte;
463 Length = (* (ACPI_CAST_PTR (UINT16, (&ByteData[CurrentByteOffset + 1]))));
464 CurrentByteOffset += 3;
465 }
466 else
467 {
468 DescriptorId = (UINT8) (CurrentByte & 0xF8);
469 Length = (ByteData[CurrentByteOffset] & 0x7);
470 CurrentByteOffset += 1;
471 }
472
473 CurrentByteOffset += (ACPI_NATIVE_UINT) Length;
474
475 /* Determine type of resource */
476
477 switch (DescriptorId)
478 {
479 /*
480 * "Small" type descriptors
481 */
482 case ACPI_RDESC_TYPE_IRQ_FORMAT:
483 case ACPI_RDESC_TYPE_DMA_FORMAT:
484 case ACPI_RDESC_TYPE_START_DEPENDENT:
485 case ACPI_RDESC_TYPE_END_DEPENDENT:
486 case ACPI_RDESC_TYPE_IO_PORT:
487 case ACPI_RDESC_TYPE_FIXED_IO_PORT:
488 case ACPI_RDESC_TYPE_SMALL_VENDOR:
489
490 /*
491 * "Large" type descriptors
492 */
493 case ACPI_RDESC_TYPE_MEMORY_24:
494 case ACPI_RDESC_TYPE_GENERAL_REGISTER:
495 case ACPI_RDESC_TYPE_LARGE_VENDOR:
496 case ACPI_RDESC_TYPE_MEMORY_32:
497 case ACPI_RDESC_TYPE_FIXED_MEMORY_32:
498 case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE:
499 case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE:
500 case ACPI_RDESC_TYPE_EXTENDED_XRUPT:
501 case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE:
502
503 /* Valid descriptor ID, keep going */
504
505 break;
506
507
508 case ACPI_RDESC_TYPE_END_TAG:
509
510 /* We must be at the end of the ByteList */
511
512 if (CurrentByteOffset != ByteCount)
513 {
514 return (FALSE);
515 }
516
517 /* All descriptors/lengths valid, this is a valid descriptor */
518
519 return (TRUE);
520
521
522 default:
523
524 /* Bad descriptor, abort */
525
526 return (FALSE);
527 }
528 }
529
530 /* Did not find an END_TAG, something seriously wrong */
531
532 return (FALSE);
533}
534
535
536#endif