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: dmresrc.c - Resource Descriptor disassembly |
||
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 "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 | /* Dispatch tables for Resource disassembly functions */ |
||
129 | |||
130 | typedef |
||
131 | void (*ACPI_RESOURCE_HANDLER) ( |
||
132 | AML_RESOURCE *Resource, |
||
133 | UINT32 Length, |
||
134 | UINT32 Level); |
||
135 | |||
136 | static ACPI_RESOURCE_HANDLER AcpiGbl_DmResourceDispatch [] = |
||
137 | { |
||
138 | /* Small descriptors */ |
||
139 | |||
140 | NULL, /* 0x00, Reserved */ |
||
141 | NULL, /* 0x01, Reserved */ |
||
142 | NULL, /* 0x02, Reserved */ |
||
143 | NULL, /* 0x03, Reserved */ |
||
144 | AcpiDmIrqDescriptor, /* 0x04, ACPI_RESOURCE_NAME_IRQ_FORMAT */ |
||
145 | AcpiDmDmaDescriptor, /* 0x05, ACPI_RESOURCE_NAME_DMA_FORMAT */ |
||
146 | AcpiDmStartDependentDescriptor, /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */ |
||
147 | AcpiDmEndDependentDescriptor, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */ |
||
148 | AcpiDmIoDescriptor, /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */ |
||
149 | AcpiDmFixedIoDescriptor, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */ |
||
150 | NULL, /* 0x0A, Reserved */ |
||
151 | NULL, /* 0x0B, Reserved */ |
||
152 | NULL, /* 0x0C, Reserved */ |
||
153 | NULL, /* 0x0D, Reserved */ |
||
154 | AcpiDmVendorSmallDescriptor, /* 0x0E, ACPI_RESOURCE_NAME_SMALL_VENDOR */ |
||
155 | NULL, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG (not used) */ |
||
156 | |||
157 | /* Large descriptors */ |
||
158 | |||
159 | NULL, /* 0x00, Reserved */ |
||
160 | AcpiDmMemory24Descriptor, /* 0x01, ACPI_RESOURCE_NAME_MEMORY_24 */ |
||
161 | AcpiDmGenericRegisterDescriptor,/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */ |
||
162 | NULL, /* 0x03, Reserved */ |
||
163 | AcpiDmVendorLargeDescriptor, /* 0x04, ACPI_RESOURCE_NAME_LARGE_VENDOR */ |
||
164 | AcpiDmMemory32Descriptor, /* 0x05, ACPI_RESOURCE_NAME_MEMORY_32 */ |
||
165 | AcpiDmFixedMemory32Descriptor, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY_32 */ |
||
166 | AcpiDmDwordDescriptor, /* 0x07, ACPI_RESOURCE_NAME_DWORD_ADDRESS_SPACE */ |
||
167 | AcpiDmWordDescriptor, /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */ |
||
168 | AcpiDmInterruptDescriptor, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */ |
||
169 | AcpiDmQwordDescriptor, /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */ |
||
170 | AcpiDmExtendedDescriptor /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */ |
||
171 | }; |
||
172 | |||
173 | |||
174 | /* Only used for single-threaded applications */ |
||
175 | /* TBD: remove when name is passed as parameter to the dump functions */ |
||
176 | |||
177 | static UINT32 ResourceName; |
||
178 | |||
179 | |||
180 | /******************************************************************************* |
||
181 | * |
||
182 | * FUNCTION: AcpiDmDescriptorName |
||
183 | * |
||
184 | * PARAMETERS: None |
||
185 | * |
||
186 | * RETURN: None |
||
187 | * |
||
188 | * DESCRIPTION: Emit a name for the descriptor if one is present (indicated |
||
189 | * by the name being changed from the default name.) A name is only |
||
190 | * emitted if a reference to the descriptor has been made somewhere |
||
191 | * in the original ASL code. |
||
192 | * |
||
193 | ******************************************************************************/ |
||
194 | |||
195 | void |
||
196 | AcpiDmDescriptorName ( |
||
197 | void) |
||
198 | { |
||
199 | |||
200 | if (ResourceName == ACPI_DEFAULT_RESNAME) |
||
201 | { |
||
202 | return; |
||
203 | } |
||
204 | |||
205 | AcpiOsPrintf ("%4.4s", (char *) &ResourceName); |
||
206 | } |
||
207 | |||
208 | |||
209 | /******************************************************************************* |
||
210 | * |
||
211 | * FUNCTION: AcpiDmDumpInteger* |
||
212 | * |
||
213 | * PARAMETERS: Value - Value to emit |
||
214 | * Name - Associated name (emitted as a comment) |
||
215 | * |
||
216 | * RETURN: None |
||
217 | * |
||
218 | * DESCRIPTION: Integer output helper functions |
||
219 | * |
||
220 | ******************************************************************************/ |
||
221 | |||
222 | void |
||
223 | AcpiDmDumpInteger8 ( |
||
224 | UINT8 Value, |
||
225 | char *Name) |
||
226 | { |
||
227 | AcpiOsPrintf ("0x%2.2X, // %s\n", Value, Name); |
||
228 | } |
||
229 | |||
230 | void |
||
231 | AcpiDmDumpInteger16 ( |
||
232 | UINT16 Value, |
||
233 | char *Name) |
||
234 | { |
||
235 | AcpiOsPrintf ("0x%4.4X, // %s\n", Value, Name); |
||
236 | } |
||
237 | |||
238 | void |
||
239 | AcpiDmDumpInteger32 ( |
||
240 | UINT32 Value, |
||
241 | char *Name) |
||
242 | { |
||
243 | AcpiOsPrintf ("0x%8.8X, // %s\n", Value, Name); |
||
244 | } |
||
245 | |||
246 | void |
||
247 | AcpiDmDumpInteger64 ( |
||
248 | UINT64 Value, |
||
249 | char *Name) |
||
250 | { |
||
251 | AcpiOsPrintf ("0x%8.8X%8.8X, // %s\n", ACPI_FORMAT_UINT64 (Value), Name); |
||
252 | } |
||
253 | |||
254 | |||
255 | /******************************************************************************* |
||
256 | * |
||
257 | * FUNCTION: AcpiDmBitList |
||
258 | * |
||
259 | * PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt |
||
260 | * or DMA values |
||
261 | * |
||
262 | * RETURN: None |
||
263 | * |
||
264 | * DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels. |
||
265 | * |
||
266 | ******************************************************************************/ |
||
267 | |||
268 | void |
||
269 | AcpiDmBitList ( |
||
270 | UINT16 Mask) |
||
271 | { |
||
272 | UINT32 i; |
||
273 | BOOLEAN Previous = FALSE; |
||
274 | |||
275 | |||
276 | /* Open the initializer list */ |
||
277 | |||
278 | AcpiOsPrintf ("{"); |
||
279 | |||
280 | /* Examine each bit */ |
||
281 | |||
282 | for (i = 0; i < 16; i++) |
||
283 | { |
||
284 | /* Only interested in bits that are set to 1 */ |
||
285 | |||
286 | if (Mask & 1) |
||
287 | { |
||
288 | if (Previous) |
||
289 | { |
||
290 | AcpiOsPrintf (","); |
||
291 | } |
||
292 | Previous = TRUE; |
||
293 | AcpiOsPrintf ("%u", i); |
||
294 | } |
||
295 | |||
296 | Mask >>= 1; |
||
297 | } |
||
298 | |||
299 | /* Close list */ |
||
300 | |||
301 | AcpiOsPrintf ("}\n"); |
||
302 | } |
||
303 | |||
304 | |||
305 | /******************************************************************************* |
||
306 | * |
||
307 | * FUNCTION: AcpiDmResourceTemplate |
||
308 | * |
||
309 | * PARAMETERS: Info - Curent parse tree walk info |
||
310 | * ByteData - Pointer to the byte list data |
||
311 | * ByteCount - Length of the byte list |
||
312 | * |
||
313 | * RETURN: None |
||
314 | * |
||
315 | * DESCRIPTION: Dump the contents of a Resource Template containing a set of |
||
316 | * Resource Descriptors. |
||
317 | * |
||
318 | ******************************************************************************/ |
||
319 | |||
320 | void |
||
321 | AcpiDmResourceTemplate ( |
||
322 | ACPI_OP_WALK_INFO *Info, |
||
323 | ACPI_PARSE_OBJECT *Op, |
||
324 | UINT8 *ByteData, |
||
325 | UINT32 ByteCount) |
||
326 | { |
||
327 | ACPI_STATUS Status; |
||
328 | UINT32 CurrentByteOffset; |
||
329 | UINT8 ResourceType; |
||
330 | UINT32 ResourceLength; |
||
331 | void *Aml; |
||
332 | UINT32 Level; |
||
333 | BOOLEAN DependentFns = FALSE; |
||
334 | UINT8 ResourceIndex; |
||
335 | ACPI_NAMESPACE_NODE *Node; |
||
336 | |||
337 | |||
338 | Level = Info->Level; |
||
339 | ResourceName = ACPI_DEFAULT_RESNAME; |
||
340 | Node = Op->Common.Node; |
||
341 | if (Node) |
||
342 | { |
||
343 | Node = Node->Child; |
||
344 | } |
||
345 | |||
346 | for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;) |
||
347 | { |
||
348 | Aml = &ByteData[CurrentByteOffset]; |
||
349 | |||
350 | /* Get the descriptor type and length */ |
||
351 | |||
352 | ResourceType = AcpiUtGetResourceType (Aml); |
||
353 | ResourceLength = AcpiUtGetResourceLength (Aml); |
||
354 | |||
355 | /* Validate the Resource Type and Resource Length */ |
||
356 | |||
357 | Status = AcpiUtValidateResource (Aml, &ResourceIndex); |
||
358 | if (ACPI_FAILURE (Status)) |
||
359 | { |
||
360 | AcpiOsPrintf ("/*** Could not validate Resource, type (%X) %s***/\n", |
||
361 | ResourceType, AcpiFormatException (Status)); |
||
362 | return; |
||
363 | } |
||
364 | |||
365 | /* Point to next descriptor */ |
||
366 | |||
367 | CurrentByteOffset += AcpiUtGetDescriptorLength (Aml); |
||
368 | |||
369 | /* Descriptor pre-processing */ |
||
370 | |||
371 | switch (ResourceType) |
||
372 | { |
||
373 | case ACPI_RESOURCE_NAME_START_DEPENDENT: |
||
374 | |||
375 | /* Finish a previous StartDependentFns */ |
||
376 | |||
377 | if (DependentFns) |
||
378 | { |
||
379 | Level--; |
||
380 | AcpiDmIndent (Level); |
||
381 | AcpiOsPrintf ("}\n"); |
||
382 | } |
||
383 | break; |
||
384 | |||
385 | case ACPI_RESOURCE_NAME_END_DEPENDENT: |
||
386 | |||
387 | Level--; |
||
388 | DependentFns = FALSE; |
||
389 | break; |
||
390 | |||
391 | case ACPI_RESOURCE_NAME_END_TAG: |
||
392 | |||
393 | /* Normal exit, the resource list is finished */ |
||
394 | |||
395 | if (DependentFns) |
||
396 | { |
||
397 | /* |
||
398 | * Close an open StartDependentDescriptor. This indicates a |
||
399 | * missing EndDependentDescriptor. |
||
400 | */ |
||
401 | Level--; |
||
402 | DependentFns = FALSE; |
||
403 | |||
404 | /* Go ahead and insert EndDependentFn() */ |
||
405 | |||
406 | AcpiDmEndDependentDescriptor (Aml, ResourceLength, Level); |
||
407 | |||
408 | AcpiDmIndent (Level); |
||
409 | AcpiOsPrintf ( |
||
410 | "/*** Disassembler: inserted missing EndDependentFn () ***/\n"); |
||
411 | } |
||
412 | return; |
||
413 | |||
414 | default: |
||
415 | break; |
||
416 | } |
||
417 | |||
418 | /* Disassemble the resource structure */ |
||
419 | |||
420 | if (Node) |
||
421 | { |
||
422 | ResourceName = Node->Name.Integer; |
||
423 | Node = Node->Peer; |
||
424 | } |
||
425 | |||
426 | AcpiGbl_DmResourceDispatch [ResourceIndex] ( |
||
427 | Aml, ResourceLength, Level); |
||
428 | |||
429 | /* Descriptor post-processing */ |
||
430 | |||
431 | if (ResourceType == ACPI_RESOURCE_NAME_START_DEPENDENT) |
||
432 | { |
||
433 | DependentFns = TRUE; |
||
434 | Level++; |
||
435 | } |
||
436 | } |
||
437 | } |
||
438 | |||
439 | |||
440 | /******************************************************************************* |
||
441 | * |
||
442 | * FUNCTION: AcpiDmIsResourceTemplate |
||
443 | * |
||
444 | * PARAMETERS: Op - Buffer Op to be examined |
||
445 | * |
||
446 | * RETURN: Status. AE_OK if valid template |
||
447 | * |
||
448 | * DESCRIPTION: Walk a byte list to determine if it consists of a valid set |
||
449 | * of resource descriptors. Nothing is output. |
||
450 | * |
||
451 | ******************************************************************************/ |
||
452 | |||
453 | ACPI_STATUS |
||
454 | AcpiDmIsResourceTemplate ( |
||
455 | ACPI_PARSE_OBJECT *Op) |
||
456 | { |
||
457 | ACPI_STATUS Status; |
||
458 | ACPI_PARSE_OBJECT *NextOp; |
||
459 | UINT8 *Aml; |
||
460 | UINT8 *EndAml; |
||
461 | ACPI_SIZE Length; |
||
462 | |||
463 | |||
464 | /* This op must be a buffer */ |
||
465 | |||
466 | if (Op->Common.AmlOpcode != AML_BUFFER_OP) |
||
467 | { |
||
468 | return (AE_TYPE); |
||
469 | } |
||
470 | |||
471 | /* Get the ByteData list and length */ |
||
472 | |||
473 | NextOp = Op->Common.Value.Arg; |
||
474 | NextOp = NextOp->Common.Next; |
||
475 | if (!NextOp) |
||
476 | { |
||
477 | return (AE_TYPE); |
||
478 | } |
||
479 | |||
480 | Aml = NextOp->Named.Data; |
||
481 | Length = (ACPI_SIZE) NextOp->Common.Value.Integer; |
||
482 | |||
483 | /* Walk the byte list, abort on any invalid descriptor type or length */ |
||
484 | |||
485 | Status = AcpiUtWalkAmlResources (Aml, Length, NULL, &EndAml); |
||
486 | if (ACPI_FAILURE (Status)) |
||
487 | { |
||
488 | return (AE_TYPE); |
||
489 | } |
||
490 | |||
491 | /* |
||
492 | * For the resource template to be valid, one EndTag must appear |
||
493 | * at the very end of the ByteList, not before. (For proper disassembly |
||
494 | * of a ResourceTemplate, the buffer must not have any extra data after |
||
495 | * the EndTag.) |
||
496 | */ |
||
497 | if ((Aml + Length - sizeof (AML_RESOURCE_END_TAG)) != EndAml) |
||
498 | { |
||
499 | return (AE_AML_NO_RESOURCE_END_TAG); |
||
500 | } |
||
501 | |||
502 | /* |
||
503 | * All resource descriptors are valid, therefore this list appears |
||
504 | * to be a valid resource template |
||
505 | */ |
||
506 | return (AE_OK); |
||
507 | } |
||
508 | |||
509 | #endif>> |