Rev 1498 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1498 | serge | 1 | /****************************************************************************** |
2 | * |
||
3 | * Module Name: adwalk - Application-level disassembler parse tree walk routines |
||
4 | * |
||
5 | *****************************************************************************/ |
||
6 | |||
7 | /****************************************************************************** |
||
8 | * |
||
9 | * 1. Copyright Notice |
||
10 | * |
||
2216 | Serge | 11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
1498 | serge | 12 | * All rights reserved. |
13 | * |
||
14 | * 2. License |
||
15 | * |
||
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
||
17 | * rights. You may have additional license terms from the party that provided |
||
18 | * you this software, covering your right to use that party's intellectual |
||
19 | * property rights. |
||
20 | * |
||
21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
||
22 | * copy of the source code appearing in this file ("Covered Code") an |
||
23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
||
24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
||
25 | * make derivatives, distribute, use and display any portion of the Covered |
||
26 | * Code in any form, with the right to sublicense such rights; and |
||
27 | * |
||
28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
||
29 | * license (with the right to sublicense), under only those claims of Intel |
||
30 | * patents that are infringed by the Original Intel Code, to make, use, sell, |
||
31 | * offer to sell, and import the Covered Code and derivative works thereof |
||
32 | * solely to the minimum extent necessary to exercise the above copyright |
||
33 | * license, and in no event shall the patent license extend to any additions |
||
34 | * to or modifications of the Original Intel Code. No other license or right |
||
35 | * is granted directly or by implication, estoppel or otherwise; |
||
36 | * |
||
37 | * The above copyright and patent license is granted only if the following |
||
38 | * conditions are met: |
||
39 | * |
||
40 | * 3. Conditions |
||
41 | * |
||
42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
||
43 | * Redistribution of source code of any substantial portion of the Covered |
||
44 | * Code or modification with rights to further distribute source must include |
||
45 | * the above Copyright Notice, the above License, this list of Conditions, |
||
46 | * and the following Disclaimer and Export Compliance provision. In addition, |
||
47 | * Licensee must cause all Covered Code to which Licensee contributes to |
||
48 | * contain a file documenting the changes Licensee made to create that Covered |
||
49 | * Code and the date of any change. Licensee must include in that file the |
||
50 | * documentation of any changes made by any predecessor Licensee. Licensee |
||
51 | * must include a prominent statement that the modification is derived, |
||
52 | * directly or indirectly, from Original Intel Code. |
||
53 | * |
||
54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
||
55 | * Redistribution of source code of any substantial portion of the Covered |
||
56 | * Code or modification without rights to further distribute source must |
||
57 | * include the following Disclaimer and Export Compliance provision in the |
||
58 | * documentation and/or other materials provided with distribution. In |
||
59 | * addition, Licensee may not authorize further sublicense of source of any |
||
60 | * portion of the Covered Code, and must include terms to the effect that the |
||
61 | * license from Licensee to its licensee is limited to the intellectual |
||
62 | * property embodied in the software Licensee provides to its licensee, and |
||
63 | * not to intellectual property embodied in modifications its licensee may |
||
64 | * make. |
||
65 | * |
||
66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
||
67 | * substantial portion of the Covered Code or modification must reproduce the |
||
68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
||
69 | * provision in the documentation and/or other materials provided with the |
||
70 | * distribution. |
||
71 | * |
||
72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
||
73 | * Intel Code. |
||
74 | * |
||
75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
||
76 | * Intel shall be used in advertising or otherwise to promote the sale, use or |
||
77 | * other dealings in products derived from or relating to the Covered Code |
||
78 | * without prior written authorization from Intel. |
||
79 | * |
||
80 | * 4. Disclaimer and Export Compliance |
||
81 | * |
||
82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
||
83 | * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE |
||
84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
||
85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
||
86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
||
87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
||
88 | * PARTICULAR PURPOSE. |
||
89 | * |
||
90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
||
91 | * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR |
||
92 | * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, |
||
93 | * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY |
||
94 | * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL |
||
95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
||
96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
||
97 | * LIMITED REMEDY. |
||
98 | * |
||
99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
||
100 | * software or system incorporating such software without first obtaining any |
||
101 | * required license or other approval from the U. S. Department of Commerce or |
||
102 | * any other agency or department of the United States Government. In the |
||
103 | * event Licensee exports any such software from the United States or |
||
104 | * re-exports any such software from a foreign destination, Licensee shall |
||
105 | * ensure that the distribution and export/re-export of the software is in |
||
106 | * compliance with all laws, regulations, orders, or other restrictions of the |
||
107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
||
108 | * any of its subsidiaries will export/re-export any technical data, process, |
||
109 | * software, or service, directly or indirectly, to any country for which the |
||
110 | * United States government or any agency thereof requires an export license, |
||
111 | * other governmental approval, or letter of assurance, without first obtaining |
||
112 | * such license, approval or letter. |
||
113 | * |
||
114 | *****************************************************************************/ |
||
115 | |||
116 | |||
117 | #include "acpi.h" |
||
118 | #include "accommon.h" |
||
119 | #include "acparser.h" |
||
120 | #include "amlcode.h" |
||
121 | #include "acdisasm.h" |
||
122 | #include "acdispat.h" |
||
123 | #include "acnamesp.h" |
||
124 | #include "acapps.h" |
||
125 | |||
126 | |||
127 | #define _COMPONENT ACPI_TOOLS |
||
128 | ACPI_MODULE_NAME ("adwalk") |
||
129 | |||
130 | /* |
||
131 | * aslmap - opcode mappings and reserved method names |
||
132 | */ |
||
133 | ACPI_OBJECT_TYPE |
||
134 | AslMapNamedOpcodeToDataType ( |
||
135 | UINT16 Opcode); |
||
136 | |||
137 | /* Local prototypes */ |
||
138 | |||
139 | static ACPI_STATUS |
||
140 | AcpiDmFindOrphanDescending ( |
||
141 | ACPI_PARSE_OBJECT *Op, |
||
142 | UINT32 Level, |
||
143 | void *Context); |
||
144 | |||
145 | static ACPI_STATUS |
||
146 | AcpiDmDumpDescending ( |
||
147 | ACPI_PARSE_OBJECT *Op, |
||
148 | UINT32 Level, |
||
149 | void *Context); |
||
150 | |||
151 | static ACPI_STATUS |
||
152 | AcpiDmXrefDescendingOp ( |
||
153 | ACPI_PARSE_OBJECT *Op, |
||
154 | UINT32 Level, |
||
155 | void *Context); |
||
156 | |||
157 | static ACPI_STATUS |
||
158 | AcpiDmCommonAscendingOp ( |
||
159 | ACPI_PARSE_OBJECT *Op, |
||
160 | UINT32 Level, |
||
161 | void *Context); |
||
162 | |||
163 | static ACPI_STATUS |
||
164 | AcpiDmLoadDescendingOp ( |
||
165 | ACPI_PARSE_OBJECT *Op, |
||
166 | UINT32 Level, |
||
167 | void *Context); |
||
168 | |||
169 | static UINT32 |
||
170 | AcpiDmInspectPossibleArgs ( |
||
171 | UINT32 CurrentOpArgCount, |
||
172 | UINT32 TargetCount, |
||
173 | ACPI_PARSE_OBJECT *Op); |
||
174 | |||
175 | static ACPI_STATUS |
||
176 | AcpiDmResourceDescendingOp ( |
||
177 | ACPI_PARSE_OBJECT *Op, |
||
178 | UINT32 Level, |
||
179 | void *Context); |
||
180 | |||
181 | |||
182 | /******************************************************************************* |
||
183 | * |
||
184 | * FUNCTION: AcpiDmDumpTree |
||
185 | * |
||
186 | * PARAMETERS: Origin - Starting object |
||
187 | * |
||
188 | * RETURN: None |
||
189 | * |
||
190 | * DESCRIPTION: Parse tree walk to format and output the nodes |
||
191 | * |
||
192 | ******************************************************************************/ |
||
193 | |||
194 | void |
||
195 | AcpiDmDumpTree ( |
||
196 | ACPI_PARSE_OBJECT *Origin) |
||
197 | { |
||
198 | ACPI_OP_WALK_INFO Info; |
||
199 | |||
200 | |||
201 | if (!Origin) |
||
202 | { |
||
203 | return; |
||
204 | } |
||
205 | |||
206 | AcpiOsPrintf ("/*\nAML Parse Tree\n\n"); |
||
207 | Info.Flags = 0; |
||
208 | Info.Count = 0; |
||
209 | Info.Level = 0; |
||
210 | Info.WalkState = NULL; |
||
211 | AcpiDmWalkParseTree (Origin, AcpiDmDumpDescending, NULL, &Info); |
||
212 | AcpiOsPrintf ("*/\n\n"); |
||
213 | } |
||
214 | |||
215 | |||
216 | /******************************************************************************* |
||
217 | * |
||
218 | * FUNCTION: AcpiDmFindOrphanMethods |
||
219 | * |
||
220 | * PARAMETERS: Origin - Starting object |
||
221 | * |
||
222 | * RETURN: None |
||
223 | * |
||
224 | * DESCRIPTION: Parse tree walk to find "orphaned" method invocations -- methods |
||
225 | * that are not resolved in the namespace |
||
226 | * |
||
227 | ******************************************************************************/ |
||
228 | |||
229 | void |
||
230 | AcpiDmFindOrphanMethods ( |
||
231 | ACPI_PARSE_OBJECT *Origin) |
||
232 | { |
||
233 | ACPI_OP_WALK_INFO Info; |
||
234 | |||
235 | |||
236 | if (!Origin) |
||
237 | { |
||
238 | return; |
||
239 | } |
||
240 | |||
241 | Info.Flags = 0; |
||
242 | Info.Level = 0; |
||
243 | Info.WalkState = NULL; |
||
244 | AcpiDmWalkParseTree (Origin, AcpiDmFindOrphanDescending, NULL, &Info); |
||
245 | } |
||
246 | |||
247 | |||
248 | /******************************************************************************* |
||
249 | * |
||
250 | * FUNCTION: AcpiDmFinishNamespaceLoad |
||
251 | * |
||
252 | * PARAMETERS: ParseTreeRoot - Root of the parse tree |
||
253 | * NamespaceRoot - Root of the internal namespace |
||
254 | * OwnerId - OwnerId of the table to be disassembled |
||
255 | * |
||
256 | * RETURN: None |
||
257 | * |
||
258 | * DESCRIPTION: Load all namespace items that are created within control |
||
259 | * methods. Used before namespace cross reference |
||
260 | * |
||
261 | ******************************************************************************/ |
||
262 | |||
263 | void |
||
264 | AcpiDmFinishNamespaceLoad ( |
||
265 | ACPI_PARSE_OBJECT *ParseTreeRoot, |
||
266 | ACPI_NAMESPACE_NODE *NamespaceRoot, |
||
267 | ACPI_OWNER_ID OwnerId) |
||
268 | { |
||
269 | ACPI_STATUS Status; |
||
270 | ACPI_OP_WALK_INFO Info; |
||
271 | ACPI_WALK_STATE *WalkState; |
||
272 | |||
273 | |||
274 | if (!ParseTreeRoot) |
||
275 | { |
||
276 | return; |
||
277 | } |
||
278 | |||
279 | /* Create and initialize a new walk state */ |
||
280 | |||
281 | WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL); |
||
282 | if (!WalkState) |
||
283 | { |
||
284 | return; |
||
285 | } |
||
286 | |||
287 | Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); |
||
288 | if (ACPI_FAILURE (Status)) |
||
289 | { |
||
290 | return; |
||
291 | } |
||
292 | |||
293 | Info.Flags = 0; |
||
294 | Info.Level = 0; |
||
295 | Info.WalkState = WalkState; |
||
296 | AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmLoadDescendingOp, |
||
297 | AcpiDmCommonAscendingOp, &Info); |
||
298 | ACPI_FREE (WalkState); |
||
299 | } |
||
300 | |||
301 | |||
302 | /******************************************************************************* |
||
303 | * |
||
304 | * FUNCTION: AcpiDmCrossReferenceNamespace |
||
305 | * |
||
306 | * PARAMETERS: ParseTreeRoot - Root of the parse tree |
||
307 | * NamespaceRoot - Root of the internal namespace |
||
308 | * OwnerId - OwnerId of the table to be disassembled |
||
309 | * |
||
310 | * RETURN: None |
||
311 | * |
||
312 | * DESCRIPTION: Cross reference the namespace to create externals |
||
313 | * |
||
314 | ******************************************************************************/ |
||
315 | |||
316 | void |
||
317 | AcpiDmCrossReferenceNamespace ( |
||
318 | ACPI_PARSE_OBJECT *ParseTreeRoot, |
||
319 | ACPI_NAMESPACE_NODE *NamespaceRoot, |
||
320 | ACPI_OWNER_ID OwnerId) |
||
321 | { |
||
322 | ACPI_STATUS Status; |
||
323 | ACPI_OP_WALK_INFO Info; |
||
324 | ACPI_WALK_STATE *WalkState; |
||
325 | |||
326 | |||
327 | if (!ParseTreeRoot) |
||
328 | { |
||
329 | return; |
||
330 | } |
||
331 | |||
332 | /* Create and initialize a new walk state */ |
||
333 | |||
334 | WalkState = AcpiDsCreateWalkState (OwnerId, ParseTreeRoot, NULL, NULL); |
||
335 | if (!WalkState) |
||
336 | { |
||
337 | return; |
||
338 | } |
||
339 | |||
340 | Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); |
||
341 | if (ACPI_FAILURE (Status)) |
||
342 | { |
||
343 | return; |
||
344 | } |
||
345 | |||
346 | Info.Flags = 0; |
||
347 | Info.Level = 0; |
||
348 | Info.WalkState = WalkState; |
||
349 | AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmXrefDescendingOp, |
||
350 | AcpiDmCommonAscendingOp, &Info); |
||
351 | ACPI_FREE (WalkState); |
||
352 | } |
||
353 | |||
354 | |||
355 | /******************************************************************************* |
||
356 | * |
||
357 | * FUNCTION: AcpiDmConvertResourceIndexes |
||
358 | * |
||
359 | * PARAMETERS: ParseTreeRoot - Root of the parse tree |
||
360 | * NamespaceRoot - Root of the internal namespace |
||
361 | * |
||
362 | * RETURN: None |
||
363 | * |
||
364 | * DESCRIPTION: Convert fixed-offset references to resource descriptors to |
||
365 | * symbolic references. Should only be called after namespace has |
||
366 | * been cross referenced. |
||
367 | * |
||
368 | ******************************************************************************/ |
||
369 | |||
370 | void |
||
371 | AcpiDmConvertResourceIndexes ( |
||
372 | ACPI_PARSE_OBJECT *ParseTreeRoot, |
||
373 | ACPI_NAMESPACE_NODE *NamespaceRoot) |
||
374 | { |
||
375 | ACPI_STATUS Status; |
||
376 | ACPI_OP_WALK_INFO Info; |
||
377 | ACPI_WALK_STATE *WalkState; |
||
378 | |||
379 | |||
380 | if (!ParseTreeRoot) |
||
381 | { |
||
382 | return; |
||
383 | } |
||
384 | |||
385 | /* Create and initialize a new walk state */ |
||
386 | |||
387 | WalkState = AcpiDsCreateWalkState (0, ParseTreeRoot, NULL, NULL); |
||
388 | if (!WalkState) |
||
389 | { |
||
390 | return; |
||
391 | } |
||
392 | |||
393 | Status = AcpiDsScopeStackPush (NamespaceRoot, NamespaceRoot->Type, WalkState); |
||
394 | if (ACPI_FAILURE (Status)) |
||
395 | { |
||
396 | return; |
||
397 | } |
||
398 | |||
399 | Info.Flags = 0; |
||
400 | Info.Level = 0; |
||
401 | Info.WalkState = WalkState; |
||
402 | AcpiDmWalkParseTree (ParseTreeRoot, AcpiDmResourceDescendingOp, |
||
403 | AcpiDmCommonAscendingOp, &Info); |
||
404 | ACPI_FREE (WalkState); |
||
405 | return; |
||
406 | } |
||
407 | |||
408 | |||
409 | /******************************************************************************* |
||
410 | * |
||
411 | * FUNCTION: AcpiDmDumpDescending |
||
412 | * |
||
413 | * PARAMETERS: ASL_WALK_CALLBACK |
||
414 | * |
||
415 | * RETURN: Status |
||
416 | * |
||
417 | * DESCRIPTION: Format and print contents of one parse Op. |
||
418 | * |
||
419 | ******************************************************************************/ |
||
420 | |||
421 | static ACPI_STATUS |
||
422 | AcpiDmDumpDescending ( |
||
423 | ACPI_PARSE_OBJECT *Op, |
||
424 | UINT32 Level, |
||
425 | void *Context) |
||
426 | { |
||
427 | ACPI_OP_WALK_INFO *Info = Context; |
||
428 | char *Path; |
||
429 | |||
430 | |||
431 | if (!Op) |
||
432 | { |
||
433 | return (AE_OK); |
||
434 | } |
||
435 | |||
436 | /* Most of the information (count, level, name) here */ |
||
437 | |||
438 | Info->Count++; |
||
439 | AcpiOsPrintf ("% 5d [%2.2d] ", Info->Count, Level); |
||
440 | AcpiDmIndent (Level); |
||
441 | AcpiOsPrintf ("%-28s", AcpiPsGetOpcodeName (Op->Common.AmlOpcode)); |
||
442 | |||
443 | /* Extra info is helpful */ |
||
444 | |||
445 | switch (Op->Common.AmlOpcode) |
||
446 | { |
||
447 | case AML_BYTE_OP: |
||
448 | case AML_WORD_OP: |
||
449 | case AML_DWORD_OP: |
||
450 | AcpiOsPrintf ("%X", (UINT32) Op->Common.Value.Integer); |
||
451 | break; |
||
452 | |||
453 | case AML_INT_NAMEPATH_OP: |
||
454 | if (Op->Common.Value.String) |
||
455 | { |
||
456 | AcpiNsExternalizeName (ACPI_UINT32_MAX, Op->Common.Value.String, |
||
457 | NULL, &Path); |
||
458 | AcpiOsPrintf ("%s %p", Path, Op->Common.Node); |
||
459 | ACPI_FREE (Path); |
||
460 | } |
||
461 | else |
||
462 | { |
||
463 | AcpiOsPrintf ("[NULL]"); |
||
464 | } |
||
465 | break; |
||
466 | |||
467 | case AML_NAME_OP: |
||
468 | case AML_METHOD_OP: |
||
469 | case AML_DEVICE_OP: |
||
470 | case AML_INT_NAMEDFIELD_OP: |
||
471 | AcpiOsPrintf ("%4.4s", ACPI_CAST_PTR (char, &Op->Named.Name)); |
||
472 | break; |
||
473 | |||
474 | default: |
||
475 | break; |
||
476 | } |
||
477 | |||
478 | AcpiOsPrintf ("\n"); |
||
479 | return (AE_OK); |
||
480 | } |
||
481 | |||
482 | |||
483 | /******************************************************************************* |
||
484 | * |
||
485 | * FUNCTION: AcpiDmFindOrphanDescending |
||
486 | * |
||
487 | * PARAMETERS: ASL_WALK_CALLBACK |
||
488 | * |
||
489 | * RETURN: Status |
||
490 | * |
||
491 | * DESCRIPTION: Check namepath Ops for orphaned method invocations |
||
492 | * |
||
493 | * Note: Experimental. |
||
494 | * |
||
495 | ******************************************************************************/ |
||
496 | |||
497 | static ACPI_STATUS |
||
498 | AcpiDmFindOrphanDescending ( |
||
499 | ACPI_PARSE_OBJECT *Op, |
||
500 | UINT32 Level, |
||
501 | void *Context) |
||
502 | { |
||
503 | const ACPI_OPCODE_INFO *OpInfo; |
||
504 | ACPI_PARSE_OBJECT *ChildOp; |
||
505 | ACPI_PARSE_OBJECT *NextOp; |
||
506 | ACPI_PARSE_OBJECT *ParentOp; |
||
507 | UINT32 ArgCount; |
||
508 | |||
509 | |||
510 | if (!Op) |
||
511 | { |
||
512 | return (AE_OK); |
||
513 | } |
||
514 | |||
515 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
516 | |||
517 | switch (Op->Common.AmlOpcode) |
||
518 | { |
||
519 | #ifdef ACPI_UNDER_DEVELOPMENT |
||
520 | case AML_ADD_OP: |
||
521 | ChildOp = Op->Common.Value.Arg; |
||
522 | if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && |
||
523 | !ChildOp->Common.Node) |
||
524 | { |
||
525 | AcpiNsExternalizeName (ACPI_UINT32_MAX, ChildOp->Common.Value.String, |
||
526 | NULL, &Path); |
||
527 | AcpiOsPrintf ("/* %-16s A-NAMEPATH: %s */\n", Op->Common.AmlOpName, Path); |
||
528 | ACPI_FREE (Path); |
||
529 | |||
530 | NextOp = Op->Common.Next; |
||
531 | if (!NextOp) |
||
532 | { |
||
533 | /* This NamePath has no args, assume it is an integer */ |
||
534 | |||
535 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); |
||
536 | return (AE_OK); |
||
537 | } |
||
538 | |||
539 | ArgCount = AcpiDmInspectPossibleArgs (3, 1, NextOp); |
||
540 | AcpiOsPrintf ("/* A-CHILDREN: %u Actual %u */\n", ArgCount, AcpiDmCountChildren (Op)); |
||
541 | |||
542 | if (ArgCount < 1) |
||
543 | { |
||
544 | /* One Arg means this is just a Store(Name,Target) */ |
||
545 | |||
546 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); |
||
547 | return (AE_OK); |
||
548 | } |
||
549 | |||
550 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); |
||
551 | } |
||
552 | break; |
||
553 | #endif |
||
554 | |||
555 | case AML_STORE_OP: |
||
556 | |||
557 | ChildOp = Op->Common.Value.Arg; |
||
558 | if ((ChildOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && |
||
559 | !ChildOp->Common.Node) |
||
560 | { |
||
561 | NextOp = Op->Common.Next; |
||
562 | if (!NextOp) |
||
563 | { |
||
564 | /* This NamePath has no args, assume it is an integer */ |
||
565 | |||
566 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); |
||
567 | return (AE_OK); |
||
568 | } |
||
569 | |||
570 | ArgCount = AcpiDmInspectPossibleArgs (2, 1, NextOp); |
||
571 | if (ArgCount <= 1) |
||
572 | { |
||
573 | /* One Arg means this is just a Store(Name,Target) */ |
||
574 | |||
575 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_INTEGER, 0); |
||
576 | return (AE_OK); |
||
577 | } |
||
578 | |||
579 | AcpiDmAddToExternalList (ChildOp, ChildOp->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); |
||
580 | } |
||
581 | break; |
||
582 | |||
583 | case AML_INT_NAMEPATH_OP: |
||
584 | |||
585 | /* Must examine parent to see if this namepath is an argument */ |
||
586 | |||
587 | ParentOp = Op->Common.Parent; |
||
588 | OpInfo = AcpiPsGetOpcodeInfo (ParentOp->Common.AmlOpcode); |
||
589 | |||
590 | if ((OpInfo->Class != AML_CLASS_EXECUTE) && |
||
591 | (OpInfo->Class != AML_CLASS_CREATE) && |
||
592 | (ParentOp->Common.AmlOpcode != AML_INT_METHODCALL_OP) && |
||
593 | !Op->Common.Node) |
||
594 | { |
||
595 | ArgCount = AcpiDmInspectPossibleArgs (0, 0, Op->Common.Next); |
||
596 | |||
597 | /* |
||
598 | * Check if namepath is a predicate for if/while or lone parameter to |
||
599 | * a return. |
||
600 | */ |
||
601 | if (ArgCount == 0) |
||
602 | { |
||
603 | if (((ParentOp->Common.AmlOpcode == AML_IF_OP) || |
||
604 | (ParentOp->Common.AmlOpcode == AML_WHILE_OP) || |
||
605 | (ParentOp->Common.AmlOpcode == AML_RETURN_OP)) && |
||
606 | |||
607 | /* And namepath is the first argument */ |
||
608 | (ParentOp->Common.Value.Arg == Op)) |
||
609 | { |
||
610 | AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_INTEGER, 0); |
||
611 | break; |
||
612 | } |
||
613 | } |
||
614 | |||
615 | /* |
||
616 | * This is a standalone namestring (not a parameter to another |
||
617 | * operator) - it *must* be a method invocation, nothing else is |
||
618 | * grammatically possible. |
||
619 | */ |
||
620 | AcpiDmAddToExternalList (Op, Op->Common.Value.String, ACPI_TYPE_METHOD, ArgCount); |
||
621 | |||
622 | } |
||
623 | break; |
||
624 | |||
625 | default: |
||
626 | break; |
||
627 | } |
||
628 | |||
629 | return (AE_OK); |
||
630 | } |
||
631 | |||
632 | |||
633 | /******************************************************************************* |
||
634 | * |
||
635 | * FUNCTION: AcpiDmLoadDescendingOp |
||
636 | * |
||
637 | * PARAMETERS: ASL_WALK_CALLBACK |
||
638 | * |
||
639 | * RETURN: Status |
||
640 | * |
||
641 | * DESCRIPTION: Descending handler for namespace control method object load |
||
642 | * |
||
643 | ******************************************************************************/ |
||
644 | |||
645 | static ACPI_STATUS |
||
646 | AcpiDmLoadDescendingOp ( |
||
647 | ACPI_PARSE_OBJECT *Op, |
||
648 | UINT32 Level, |
||
649 | void *Context) |
||
650 | { |
||
651 | ACPI_OP_WALK_INFO *Info = Context; |
||
652 | const ACPI_OPCODE_INFO *OpInfo; |
||
653 | ACPI_WALK_STATE *WalkState; |
||
654 | ACPI_OBJECT_TYPE ObjectType; |
||
655 | ACPI_STATUS Status; |
||
656 | char *Path = NULL; |
||
657 | ACPI_PARSE_OBJECT *NextOp; |
||
658 | ACPI_NAMESPACE_NODE *Node; |
||
659 | char FieldPath[5]; |
||
660 | BOOLEAN PreDefined = FALSE; |
||
661 | UINT8 PreDefineIndex = 0; |
||
662 | |||
663 | |||
664 | WalkState = Info->WalkState; |
||
665 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
666 | ObjectType = OpInfo->ObjectType; |
||
667 | ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); |
||
668 | |||
669 | /* Only interested in operators that create new names */ |
||
670 | |||
671 | if (!(OpInfo->Flags & AML_NAMED) && |
||
672 | !(OpInfo->Flags & AML_CREATE)) |
||
673 | { |
||
674 | goto Exit; |
||
675 | } |
||
676 | |||
677 | /* Get the NamePath from the appropriate place */ |
||
678 | |||
679 | if (OpInfo->Flags & AML_NAMED) |
||
680 | { |
||
681 | /* For all named operators, get the new name */ |
||
682 | |||
683 | Path = (char *) Op->Named.Path; |
||
684 | |||
685 | if (!Path && Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP) |
||
686 | { |
||
687 | *ACPI_CAST_PTR (UINT32, &FieldPath[0]) = Op->Named.Name; |
||
688 | FieldPath[4] = 0; |
||
689 | Path = FieldPath; |
||
690 | } |
||
691 | } |
||
692 | else if (OpInfo->Flags & AML_CREATE) |
||
693 | { |
||
694 | /* New name is the last child */ |
||
695 | |||
696 | NextOp = Op->Common.Value.Arg; |
||
697 | |||
698 | while (NextOp->Common.Next) |
||
699 | { |
||
700 | NextOp = NextOp->Common.Next; |
||
701 | } |
||
702 | Path = NextOp->Common.Value.String; |
||
703 | } |
||
704 | |||
705 | if (!Path) |
||
706 | { |
||
707 | goto Exit; |
||
708 | } |
||
709 | |||
710 | /* Insert the name into the namespace */ |
||
711 | |||
712 | Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ObjectType, |
||
713 | ACPI_IMODE_LOAD_PASS2, ACPI_NS_DONT_OPEN_SCOPE, |
||
714 | WalkState, &Node); |
||
715 | |||
716 | Op->Common.Node = Node; |
||
717 | |||
718 | if (ACPI_SUCCESS (Status)) |
||
719 | { |
||
720 | /* Check if it's a predefined node */ |
||
721 | |||
722 | while (AcpiGbl_PreDefinedNames[PreDefineIndex].Name) |
||
723 | { |
||
724 | if (!ACPI_STRNCMP (Node->Name.Ascii, |
||
725 | AcpiGbl_PreDefinedNames[PreDefineIndex].Name, 4)) |
||
726 | { |
||
727 | PreDefined = TRUE; |
||
728 | break; |
||
729 | } |
||
730 | |||
731 | PreDefineIndex++; |
||
732 | } |
||
733 | |||
734 | /* |
||
735 | * Set node owner id if it satisfies all the following conditions: |
||
736 | * 1) Not a predefined node, _SB_ etc |
||
737 | * 2) Not the root node |
||
738 | * 3) Not a node created by Scope |
||
739 | */ |
||
740 | |||
741 | if (!PreDefined && Node != AcpiGbl_RootNode && |
||
742 | Op->Common.AmlOpcode != AML_SCOPE_OP) |
||
743 | { |
||
744 | Node->OwnerId = WalkState->OwnerId; |
||
745 | } |
||
746 | } |
||
747 | |||
748 | |||
749 | Exit: |
||
750 | |||
751 | if (AcpiNsOpensScope (ObjectType)) |
||
752 | { |
||
753 | if (Op->Common.Node) |
||
754 | { |
||
755 | Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); |
||
756 | if (ACPI_FAILURE (Status)) |
||
757 | { |
||
758 | return (Status); |
||
759 | } |
||
760 | } |
||
761 | } |
||
762 | |||
763 | return (AE_OK); |
||
764 | } |
||
765 | |||
766 | |||
767 | /******************************************************************************* |
||
768 | * |
||
769 | * FUNCTION: AcpiDmXrefDescendingOp |
||
770 | * |
||
771 | * PARAMETERS: ASL_WALK_CALLBACK |
||
772 | * |
||
773 | * RETURN: Status |
||
774 | * |
||
775 | * DESCRIPTION: Descending handler for namespace cross reference |
||
776 | * |
||
777 | ******************************************************************************/ |
||
778 | |||
779 | static ACPI_STATUS |
||
780 | AcpiDmXrefDescendingOp ( |
||
781 | ACPI_PARSE_OBJECT *Op, |
||
782 | UINT32 Level, |
||
783 | void *Context) |
||
784 | { |
||
785 | ACPI_OP_WALK_INFO *Info = Context; |
||
786 | const ACPI_OPCODE_INFO *OpInfo; |
||
787 | ACPI_WALK_STATE *WalkState; |
||
788 | ACPI_OBJECT_TYPE ObjectType; |
||
789 | ACPI_OBJECT_TYPE ObjectType2; |
||
790 | ACPI_STATUS Status; |
||
791 | char *Path = NULL; |
||
792 | ACPI_PARSE_OBJECT *NextOp; |
||
793 | ACPI_NAMESPACE_NODE *Node; |
||
794 | ACPI_OPERAND_OBJECT *Object; |
||
2216 | Serge | 795 | UINT32 ParamCount = 0; |
1498 | serge | 796 | |
797 | |||
798 | WalkState = Info->WalkState; |
||
799 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
800 | ObjectType = OpInfo->ObjectType; |
||
801 | ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); |
||
802 | |||
803 | if ((!(OpInfo->Flags & AML_NAMED)) && |
||
804 | (!(OpInfo->Flags & AML_CREATE)) && |
||
805 | (Op->Common.AmlOpcode != AML_INT_NAMEPATH_OP)) |
||
806 | { |
||
807 | goto Exit; |
||
808 | } |
||
809 | |||
810 | /* Get the NamePath from the appropriate place */ |
||
811 | |||
812 | if (OpInfo->Flags & AML_NAMED) |
||
813 | { |
||
814 | if ((Op->Common.AmlOpcode == AML_ALIAS_OP) || |
||
815 | (Op->Common.AmlOpcode == AML_SCOPE_OP)) |
||
816 | { |
||
817 | /* |
||
818 | * Only these two operators refer to an existing name, |
||
819 | * first argument |
||
820 | */ |
||
821 | Path = (char *) Op->Named.Path; |
||
822 | } |
||
823 | } |
||
824 | else if (OpInfo->Flags & AML_CREATE) |
||
825 | { |
||
826 | /* Referenced Buffer Name is the first child */ |
||
827 | |||
828 | NextOp = Op->Common.Value.Arg; |
||
829 | if (NextOp->Common.AmlOpcode == AML_INT_NAMEPATH_OP) |
||
830 | { |
||
831 | Path = NextOp->Common.Value.String; |
||
832 | } |
||
833 | } |
||
834 | else |
||
835 | { |
||
836 | Path = Op->Common.Value.String; |
||
837 | } |
||
838 | |||
839 | if (!Path) |
||
840 | { |
||
841 | goto Exit; |
||
842 | } |
||
843 | |||
844 | /* |
||
845 | * Lookup the name in the namespace. Name must exist at this point, or it |
||
846 | * is an invalid reference. |
||
847 | * |
||
848 | * The namespace is also used as a lookup table for references to resource |
||
849 | * descriptors and the fields within them. |
||
850 | */ |
||
851 | Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY, |
||
852 | ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, |
||
853 | WalkState, &Node); |
||
854 | if (ACPI_FAILURE (Status)) |
||
855 | { |
||
856 | if (Status == AE_NOT_FOUND) |
||
857 | { |
||
858 | AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType, 0); |
||
859 | |||
860 | /* |
||
861 | * We could install this into the namespace, but we catch duplicate |
||
862 | * externals when they are added to the list. |
||
863 | */ |
||
864 | #if 0 |
||
865 | Status = AcpiNsLookup (WalkState->ScopeInfo, Path, ACPI_TYPE_ANY, |
||
866 | ACPI_IMODE_LOAD_PASS1, ACPI_NS_DONT_OPEN_SCOPE, |
||
867 | WalkState, &Node); |
||
868 | #endif |
||
869 | } |
||
870 | } |
||
871 | |||
872 | /* |
||
873 | * Found the node in external table, add it to external list |
||
874 | * Node->OwnerId == 0 indicates built-in ACPI Names, _OS_ etc |
||
875 | */ |
||
876 | else if (Node->OwnerId && WalkState->OwnerId != Node->OwnerId) |
||
877 | { |
||
878 | ObjectType2 = ObjectType; |
||
879 | |||
880 | Object = AcpiNsGetAttachedObject (Node); |
||
881 | if (Object) |
||
882 | { |
||
883 | ObjectType2 = Object->Common.Type; |
||
884 | if (ObjectType2 == ACPI_TYPE_METHOD) |
||
885 | { |
||
2216 | Serge | 886 | ParamCount = Object->Method.ParamCount; |
1498 | serge | 887 | } |
888 | } |
||
889 | |||
2216 | Serge | 890 | AcpiDmAddToExternalList (Op, Path, (UINT8) ObjectType2, ParamCount); |
1498 | serge | 891 | Op->Common.Node = Node; |
892 | } |
||
893 | else |
||
894 | { |
||
895 | Op->Common.Node = Node; |
||
896 | } |
||
897 | |||
898 | |||
899 | Exit: |
||
900 | /* Open new scope if necessary */ |
||
901 | |||
902 | if (AcpiNsOpensScope (ObjectType)) |
||
903 | { |
||
904 | if (Op->Common.Node) |
||
905 | { |
||
906 | Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); |
||
907 | if (ACPI_FAILURE (Status)) |
||
908 | { |
||
909 | return (Status); |
||
910 | } |
||
911 | } |
||
912 | } |
||
913 | |||
914 | return (AE_OK); |
||
915 | } |
||
916 | |||
917 | |||
918 | /******************************************************************************* |
||
919 | * |
||
920 | * FUNCTION: AcpiDmResourceDescendingOp |
||
921 | * |
||
922 | * PARAMETERS: ASL_WALK_CALLBACK |
||
923 | * |
||
924 | * RETURN: None |
||
925 | * |
||
926 | * DESCRIPTION: Process one parse op during symbolic resource index conversion. |
||
927 | * |
||
928 | ******************************************************************************/ |
||
929 | |||
930 | static ACPI_STATUS |
||
931 | AcpiDmResourceDescendingOp ( |
||
932 | ACPI_PARSE_OBJECT *Op, |
||
933 | UINT32 Level, |
||
934 | void *Context) |
||
935 | { |
||
936 | ACPI_OP_WALK_INFO *Info = Context; |
||
937 | const ACPI_OPCODE_INFO *OpInfo; |
||
938 | ACPI_WALK_STATE *WalkState; |
||
939 | ACPI_OBJECT_TYPE ObjectType; |
||
940 | ACPI_STATUS Status; |
||
941 | |||
942 | |||
943 | WalkState = Info->WalkState; |
||
944 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
945 | |||
946 | /* Open new scope if necessary */ |
||
947 | |||
948 | ObjectType = OpInfo->ObjectType; |
||
949 | if (AcpiNsOpensScope (ObjectType)) |
||
950 | { |
||
951 | if (Op->Common.Node) |
||
952 | { |
||
953 | |||
954 | Status = AcpiDsScopeStackPush (Op->Common.Node, ObjectType, WalkState); |
||
955 | if (ACPI_FAILURE (Status)) |
||
956 | { |
||
957 | return (Status); |
||
958 | } |
||
959 | } |
||
960 | } |
||
961 | |||
962 | /* |
||
963 | * Check if this operator contains a reference to a resource descriptor. |
||
964 | * If so, convert the reference into a symbolic reference. |
||
965 | */ |
||
966 | AcpiDmCheckResourceReference (Op, WalkState); |
||
967 | return (AE_OK); |
||
968 | } |
||
969 | |||
970 | |||
971 | /******************************************************************************* |
||
972 | * |
||
973 | * FUNCTION: AcpiDmCommonAscendingOp |
||
974 | * |
||
975 | * PARAMETERS: ASL_WALK_CALLBACK |
||
976 | * |
||
977 | * RETURN: None |
||
978 | * |
||
979 | * DESCRIPTION: Ascending handler for combined parse/namespace walks. Closes |
||
980 | * scope if necessary. |
||
981 | * |
||
982 | ******************************************************************************/ |
||
983 | |||
984 | static ACPI_STATUS |
||
985 | AcpiDmCommonAscendingOp ( |
||
986 | ACPI_PARSE_OBJECT *Op, |
||
987 | UINT32 Level, |
||
988 | void *Context) |
||
989 | { |
||
990 | ACPI_OP_WALK_INFO *Info = Context; |
||
991 | const ACPI_OPCODE_INFO *OpInfo; |
||
992 | ACPI_OBJECT_TYPE ObjectType; |
||
993 | |||
994 | |||
995 | /* Close scope if necessary */ |
||
996 | |||
997 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
998 | ObjectType = OpInfo->ObjectType; |
||
999 | ObjectType = AslMapNamedOpcodeToDataType (Op->Asl.AmlOpcode); |
||
1000 | |||
1001 | if (AcpiNsOpensScope (ObjectType)) |
||
1002 | { |
||
1003 | (void) AcpiDsScopeStackPop (Info->WalkState); |
||
1004 | } |
||
1005 | |||
1006 | return (AE_OK); |
||
1007 | } |
||
1008 | |||
1009 | |||
1010 | /******************************************************************************* |
||
1011 | * |
||
1012 | * FUNCTION: AcpiDmInspectPossibleArgs |
||
1013 | * |
||
1014 | * PARAMETERS: CurrentOpArgCount - Which arg of the current op was the |
||
1015 | * possible method invocation found |
||
1016 | * TargetCount - Number of targets (0,1,2) for this op |
||
1017 | * Op - Parse op |
||
1018 | * |
||
1019 | * RETURN: Status |
||
1020 | * |
||
1021 | * DESCRIPTION: Examine following args and next ops for possible arguments |
||
1022 | * for an unrecognized method invocation. |
||
1023 | * |
||
1024 | ******************************************************************************/ |
||
1025 | |||
1026 | static UINT32 |
||
1027 | AcpiDmInspectPossibleArgs ( |
||
1028 | UINT32 CurrentOpArgCount, |
||
1029 | UINT32 TargetCount, |
||
1030 | ACPI_PARSE_OBJECT *Op) |
||
1031 | { |
||
1032 | const ACPI_OPCODE_INFO *OpInfo; |
||
1033 | UINT32 i; |
||
1034 | UINT32 Last = 0; |
||
1035 | UINT32 Lookahead; |
||
1036 | |||
1037 | |||
1038 | Lookahead = (ACPI_METHOD_NUM_ARGS + TargetCount) - CurrentOpArgCount; |
||
1039 | |||
1040 | /* Lookahead for the maximum number of possible arguments */ |
||
1041 | |||
1042 | for (i = 0; i < Lookahead; i++) |
||
1043 | { |
||
1044 | if (!Op) |
||
1045 | { |
||
1046 | break; |
||
1047 | } |
||
1048 | |||
1049 | OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
||
1050 | |||
1051 | /* |
||
1052 | * Any one of these operators is "very probably" not a method arg |
||
1053 | */ |
||
1054 | if ((Op->Common.AmlOpcode == AML_STORE_OP) || |
||
1055 | (Op->Common.AmlOpcode == AML_NOTIFY_OP)) |
||
1056 | { |
||
1057 | break; |
||
1058 | } |
||
1059 | |||
1060 | if ((OpInfo->Class != AML_CLASS_EXECUTE) && |
||
1061 | (OpInfo->Class != AML_CLASS_CONTROL)) |
||
1062 | { |
||
1063 | Last = i+1; |
||
1064 | } |
||
1065 | |||
1066 | Op = Op->Common.Next; |
||
1067 | } |
||
1068 | |||
1069 | return (Last); |
||
1070 | }>=>> |
||
1071 |