1 /*******************************************************************************
2 *
3 * Module Name: dbutils - AML debugger utilities
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, 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
45 #include "acpi.h"
46 #include "accommon.h"
47 #include "acnamesp.h"
48 #include "acdebug.h"
49 #include "acdisasm.h"
50
51
52 #ifdef ACPI_DEBUGGER
53
54 #define _COMPONENT ACPI_CA_DEBUGGER
55 ACPI_MODULE_NAME ("dbutils")
56
57 /* Local prototypes */
58
59 #ifdef ACPI_OBSOLETE_FUNCTIONS
60 ACPI_STATUS
61 AcpiDbSecondPassParse (
62 ACPI_PARSE_OBJECT *Root);
63
64 void
65 AcpiDbDumpBuffer (
66 UINT32 Address);
67 #endif
68
69 static char *Converter = "0123456789ABCDEF";
70
71
72 /*******************************************************************************
73 *
74 * FUNCTION: AcpiDbMatchArgument
75 *
76 * PARAMETERS: UserArgument - User command line
77 * Arguments - Array of commands to match against
78 *
79 * RETURN: Index into command array or ACPI_TYPE_NOT_FOUND if not found
80 *
81 * DESCRIPTION: Search command array for a command match
82 *
83 ******************************************************************************/
84
85 ACPI_OBJECT_TYPE
86 AcpiDbMatchArgument (
87 char *UserArgument,
88 ACPI_DB_ARGUMENT_INFO *Arguments)
89 {
90 UINT32 i;
91
92
93 if (!UserArgument || UserArgument[0] == 0)
94 {
95 return (ACPI_TYPE_NOT_FOUND);
96 }
97
98 for (i = 0; Arguments[i].Name; i++)
99 {
100 if (ACPI_STRSTR (Arguments[i].Name, UserArgument) == Arguments[i].Name)
101 {
102 return (i);
103 }
104 }
105
106 /* Argument not recognized */
107
108 return (ACPI_TYPE_NOT_FOUND);
109 }
110
111
112 /*******************************************************************************
113 *
114 * FUNCTION: AcpiDbSetOutputDestination
115 *
116 * PARAMETERS: OutputFlags - Current flags word
117 *
118 * RETURN: None
119 *
120 * DESCRIPTION: Set the current destination for debugger output. Also sets
121 * the debug output level accordingly.
122 *
123 ******************************************************************************/
124
125 void
126 AcpiDbSetOutputDestination (
127 UINT32 OutputFlags)
128 {
129
130 AcpiGbl_DbOutputFlags = (UINT8) OutputFlags;
131
132 if ((OutputFlags & ACPI_DB_REDIRECTABLE_OUTPUT) && AcpiGbl_DbOutputToFile)
133 {
134 AcpiDbgLevel = AcpiGbl_DbDebugLevel;
135 }
136 else
137 {
138 AcpiDbgLevel = AcpiGbl_DbConsoleDebugLevel;
139 }
140 }
141
142
143 /*******************************************************************************
144 *
145 * FUNCTION: AcpiDbDumpExternalObject
146 *
147 * PARAMETERS: ObjDesc - External ACPI object to dump
148 * Level - Nesting level.
149 *
150 * RETURN: None
151 *
152 * DESCRIPTION: Dump the contents of an ACPI external object
153 *
154 ******************************************************************************/
155
156 void
157 AcpiDbDumpExternalObject (
158 ACPI_OBJECT *ObjDesc,
159 UINT32 Level)
160 {
161 UINT32 i;
162
163
164 if (!ObjDesc)
165 {
166 AcpiOsPrintf ("[Null Object]\n");
167 return;
168 }
169
170 for (i = 0; i < Level; i++)
171 {
172 AcpiOsPrintf (" ");
173 }
174
175 switch (ObjDesc->Type)
176 {
177 case ACPI_TYPE_ANY:
178
179 AcpiOsPrintf ("[Null Object] (Type=0)\n");
180 break;
181
182 case ACPI_TYPE_INTEGER:
183
184 AcpiOsPrintf ("[Integer] = %8.8X%8.8X\n",
185 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
186 break;
187
188 case ACPI_TYPE_STRING:
189
190 AcpiOsPrintf ("[String] Length %.2X = ", ObjDesc->String.Length);
191 AcpiUtPrintString (ObjDesc->String.Pointer, ACPI_UINT8_MAX);
192 AcpiOsPrintf ("\n");
193 break;
194
195 case ACPI_TYPE_BUFFER:
196
197 AcpiOsPrintf ("[Buffer] Length %.2X = ", ObjDesc->Buffer.Length);
198 if (ObjDesc->Buffer.Length)
199 {
200 if (ObjDesc->Buffer.Length > 16)
201 {
202 AcpiOsPrintf ("\n");
203 }
204 AcpiUtDebugDumpBuffer (ACPI_CAST_PTR (UINT8, ObjDesc->Buffer.Pointer),
205 ObjDesc->Buffer.Length, DB_BYTE_DISPLAY, _COMPONENT);
206 }
207 else
208 {
209 AcpiOsPrintf ("\n");
210 }
211 break;
212
213 case ACPI_TYPE_PACKAGE:
214
215 AcpiOsPrintf ("[Package] Contains %u Elements:\n",
216 ObjDesc->Package.Count);
217
218 for (i = 0; i < ObjDesc->Package.Count; i++)
219 {
220 AcpiDbDumpExternalObject (&ObjDesc->Package.Elements[i], Level+1);
221 }
222 break;
223
224 case ACPI_TYPE_LOCAL_REFERENCE:
225
226 AcpiOsPrintf ("[Object Reference] = ");
227 AcpiDmDisplayInternalObject (ObjDesc->Reference.Handle, NULL);
228 break;
229
230 case ACPI_TYPE_PROCESSOR:
231
232 AcpiOsPrintf ("[Processor]\n");
233 break;
234
235 case ACPI_TYPE_POWER:
236
237 AcpiOsPrintf ("[Power Resource]\n");
238 break;
239
240 default:
241
242 AcpiOsPrintf ("[Unknown Type] %X\n", ObjDesc->Type);
243 break;
244 }
245 }
246
247
248 /*******************************************************************************
249 *
250 * FUNCTION: AcpiDbPrepNamestring
251 *
252 * PARAMETERS: Name - String to prepare
253 *
254 * RETURN: None
255 *
256 * DESCRIPTION: Translate all forward slashes and dots to backslashes.
257 *
258 ******************************************************************************/
259
260 void
261 AcpiDbPrepNamestring (
262 char *Name)
263 {
264
265 if (!Name)
266 {
267 return;
268 }
269
270 AcpiUtStrupr (Name);
271
272 /* Convert a leading forward slash to a backslash */
273
274 if (*Name == '/')
275 {
276 *Name = '\\';
277 }
278
279 /* Ignore a leading backslash, this is the root prefix */
280
281 if (ACPI_IS_ROOT_PREFIX (*Name))
282 {
283 Name++;
284 }
285
286 /* Convert all slash path separators to dots */
287
288 while (*Name)
289 {
290 if ((*Name == '/') ||
291 (*Name == '\\'))
292 {
293 *Name = '.';
294 }
295
296 Name++;
297 }
298 }
299
300
301 /*******************************************************************************
302 *
303 * FUNCTION: AcpiDbLocalNsLookup
304 *
305 * PARAMETERS: Name - Name to lookup
306 *
307 * RETURN: Pointer to a namespace node, null on failure
308 *
309 * DESCRIPTION: Lookup a name in the ACPI namespace
310 *
311 * Note: Currently begins search from the root. Could be enhanced to use
312 * the current prefix (scope) node as the search beginning point.
313 *
314 ******************************************************************************/
315
316 ACPI_NAMESPACE_NODE *
317 AcpiDbLocalNsLookup (
318 char *Name)
319 {
320 char *InternalPath;
321 ACPI_STATUS Status;
322 ACPI_NAMESPACE_NODE *Node = NULL;
323
324
325 AcpiDbPrepNamestring (Name);
326
327 /* Build an internal namestring */
328
329 Status = AcpiNsInternalizeName (Name, &InternalPath);
330 if (ACPI_FAILURE (Status))
331 {
332 AcpiOsPrintf ("Invalid namestring: %s\n", Name);
333 return (NULL);
334 }
335
336 /*
337 * Lookup the name.
338 * (Uses root node as the search starting point)
339 */
340 Status = AcpiNsLookup (NULL, InternalPath, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
341 ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
342 if (ACPI_FAILURE (Status))
343 {
344 AcpiOsPrintf ("Could not locate name: %s, %s\n",
345 Name, AcpiFormatException (Status));
346 }
347
348 ACPI_FREE (InternalPath);
349 return (Node);
350 }
351
352
353 /*******************************************************************************
354 *
355 * FUNCTION: AcpiDbUint32ToHexString
356 *
357 * PARAMETERS: Value - The value to be converted to string
358 * Buffer - Buffer for result (not less than 11 bytes)
359 *
360 * RETURN: None
361 *
362 * DESCRIPTION: Convert the unsigned 32-bit value to the hexadecimal image
363 *
364 * NOTE: It is the caller's responsibility to ensure that the length of buffer
365 * is sufficient.
366 *
367 ******************************************************************************/
368
369 void
370 AcpiDbUint32ToHexString (
371 UINT32 Value,
372 char *Buffer)
373 {
374 int i;
375
376
377 if (Value == 0)
378 {
379 ACPI_STRCPY (Buffer, "0");
380 return;
381 }
382
383 Buffer[8] = '\0';
384
385 for (i = 7; i >= 0; i--)
386 {
387 Buffer[i] = Converter [Value & 0x0F];
388 Value = Value >> 4;
389 }
390 }
391
392
393 #ifdef ACPI_OBSOLETE_FUNCTIONS
394 /*******************************************************************************
395 *
396 * FUNCTION: AcpiDbSecondPassParse
397 *
398 * PARAMETERS: Root - Root of the parse tree
399 *
400 * RETURN: Status
401 *
402 * DESCRIPTION: Second pass parse of the ACPI tables. We need to wait until
403 * second pass to parse the control methods
404 *
405 ******************************************************************************/
406
407 ACPI_STATUS
408 AcpiDbSecondPassParse (
409 ACPI_PARSE_OBJECT *Root)
410 {
411 ACPI_PARSE_OBJECT *Op = Root;
412 ACPI_PARSE_OBJECT *Method;
413 ACPI_PARSE_OBJECT *SearchOp;
414 ACPI_PARSE_OBJECT *StartOp;
415 ACPI_STATUS Status = AE_OK;
416 UINT32 BaseAmlOffset;
417 ACPI_WALK_STATE *WalkState;
418
419
420 ACPI_FUNCTION_ENTRY ();
421
422
423 AcpiOsPrintf ("Pass two parse ....\n");
424
425 while (Op)
426 {
427 if (Op->Common.AmlOpcode == AML_METHOD_OP)
428 {
429 Method = Op;
430
431 /* Create a new walk state for the parse */
432
433 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
434 if (!WalkState)
435 {
436 return (AE_NO_MEMORY);
437 }
438
439 /* Init the Walk State */
440
441 WalkState->ParserState.Aml =
442 WalkState->ParserState.AmlStart = Method->Named.Data;
443 WalkState->ParserState.AmlEnd =
444 WalkState->ParserState.PkgEnd = Method->Named.Data +
445 Method->Named.Length;
446 WalkState->ParserState.StartScope = Op;
447
448 WalkState->DescendingCallback = AcpiDsLoad1BeginOp;
449 WalkState->AscendingCallback = AcpiDsLoad1EndOp;
450
451 /* Perform the AML parse */
452
453 Status = AcpiPsParseAml (WalkState);
454
455 BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
456 StartOp = (Method->Common.Value.Arg)->Common.Next;
457 SearchOp = StartOp;
458
459 while (SearchOp)
460 {
461 SearchOp->Common.AmlOffset += BaseAmlOffset;
462 SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
463 }
464 }
465
466 if (Op->Common.AmlOpcode == AML_REGION_OP)
467 {
468 /* TBD: [Investigate] this isn't quite the right thing to do! */
469 /*
470 *
471 * Method = (ACPI_DEFERRED_OP *) Op;
472 * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
473 */
474 }
475
476 if (ACPI_FAILURE (Status))
477 {
478 break;
479 }
480
481 Op = AcpiPsGetDepthNext (Root, Op);
482 }
483
484 return (Status);
485 }
486
487
488 /*******************************************************************************
489 *
490 * FUNCTION: AcpiDbDumpBuffer
491 *
492 * PARAMETERS: Address - Pointer to the buffer
493 *
494 * RETURN: None
495 *
496 * DESCRIPTION: Print a portion of a buffer
497 *
498 ******************************************************************************/
499
500 void
501 AcpiDbDumpBuffer (
502 UINT32 Address)
503 {
504
505 AcpiOsPrintf ("\nLocation %X:\n", Address);
506
507 AcpiDbgLevel |= ACPI_LV_TABLES;
508 AcpiUtDebugDumpBuffer (ACPI_TO_POINTER (Address), 64, DB_BYTE_DISPLAY,
509 ACPI_UINT32_MAX);
510 }
511 #endif
512
513 #endif /* ACPI_DEBUGGER */