xref: /linux/drivers/acpi/acpica/exdump.c (revision d524dac9279b6a41ffdf7ff7958c577f2e387db6)
1 /******************************************************************************
2  *
3  * Module Name: exdump - Interpreter debug output routines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2011, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #include <acpi/acpi.h>
45 #include "accommon.h"
46 #include "acinterp.h"
47 #include "amlcode.h"
48 #include "acnamesp.h"
49 
50 #define _COMPONENT          ACPI_EXECUTER
51 ACPI_MODULE_NAME("exdump")
52 
53 /*
54  * The following routines are used for debug output only
55  */
56 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
57 /* Local prototypes */
58 static void acpi_ex_out_string(char *title, char *value);
59 
60 static void acpi_ex_out_pointer(char *title, void *value);
61 
62 static void
63 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
64 		    struct acpi_exdump_info *info);
65 
66 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
67 
68 static void
69 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
70 			 u32 level, u32 index);
71 
72 /*******************************************************************************
73  *
74  * Object Descriptor info tables
75  *
76  * Note: The first table entry must be an INIT opcode and must contain
77  * the table length (number of table entries)
78  *
79  ******************************************************************************/
80 
81 static struct acpi_exdump_info acpi_ex_dump_integer[2] = {
82 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL},
83 	{ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"}
84 };
85 
86 static struct acpi_exdump_info acpi_ex_dump_string[4] = {
87 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL},
88 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"},
89 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"},
90 	{ACPI_EXD_STRING, 0, NULL}
91 };
92 
93 static struct acpi_exdump_info acpi_ex_dump_buffer[5] = {
94 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
95 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
96 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
97 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.node), "Parent Node"},
98 	{ACPI_EXD_BUFFER, 0, NULL}
99 };
100 
101 static struct acpi_exdump_info acpi_ex_dump_package[5] = {
102 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
103 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
104 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
105 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
106 	{ACPI_EXD_PACKAGE, 0, NULL}
107 };
108 
109 static struct acpi_exdump_info acpi_ex_dump_device[4] = {
110 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL},
111 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.handler), "Handler"},
112 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.system_notify),
113 	 "System Notify"},
114 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.device_notify),
115 	 "Device Notify"}
116 };
117 
118 static struct acpi_exdump_info acpi_ex_dump_event[2] = {
119 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
120 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
121 };
122 
123 static struct acpi_exdump_info acpi_ex_dump_method[9] = {
124 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
125 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.info_flags), "Info Flags"},
126 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
127 	 "Parameter Count"},
128 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
129 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
130 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
131 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
132 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
133 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
134 };
135 
136 static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
137 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
138 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
139 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
140 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
141 	 "Acquire Depth"},
142 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
143 };
144 
145 static struct acpi_exdump_info acpi_ex_dump_region[7] = {
146 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
147 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
148 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
149 	{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
150 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
151 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"},
152 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
153 };
154 
155 static struct acpi_exdump_info acpi_ex_dump_power[5] = {
156 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
157 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
158 	 "System Level"},
159 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
160 	 "Resource Order"},
161 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify),
162 	 "System Notify"},
163 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify),
164 	 "Device Notify"}
165 };
166 
167 static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
168 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
169 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
170 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
171 	{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
172 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
173 	 "System Notify"},
174 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify),
175 	 "Device Notify"},
176 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
177 };
178 
179 static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
180 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
181 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify),
182 	 "System Notify"},
183 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify),
184 	 "Device Notify"},
185 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
186 };
187 
188 static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
189 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
190 	{ACPI_EXD_FIELD, 0, NULL},
191 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
192 	 "Buffer Object"}
193 };
194 
195 static struct acpi_exdump_info acpi_ex_dump_region_field[3] = {
196 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
197 	{ACPI_EXD_FIELD, 0, NULL},
198 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"}
199 };
200 
201 static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
202 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
203 	{ACPI_EXD_FIELD, 0, NULL},
204 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
205 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
206 	 "Region Object"},
207 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
208 };
209 
210 static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
211 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
212 	{ACPI_EXD_FIELD, 0, NULL},
213 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
214 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
215 	 "Index Object"},
216 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
217 };
218 
219 static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
220 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
221 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
222 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
223 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
224 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
225 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
226 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
227 	{ACPI_EXD_REFERENCE, 0, NULL}
228 };
229 
230 static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
231 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
232 	 NULL},
233 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
234 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"},
235 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list),
236 	 "Region List"},
237 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"},
238 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
239 };
240 
241 static struct acpi_exdump_info acpi_ex_dump_notify[3] = {
242 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
243 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"},
244 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}
245 };
246 
247 /* Miscellaneous tables */
248 
249 static struct acpi_exdump_info acpi_ex_dump_common[4] = {
250 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
251 	{ACPI_EXD_TYPE, 0, NULL},
252 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
253 	 "Reference Count"},
254 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"}
255 };
256 
257 static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
258 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
259 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
260 	 "Field Flags"},
261 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
262 	 "Access Byte Width"},
263 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
264 	 "Bit Length"},
265 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
266 	 "Field Bit Offset"},
267 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
268 	 "Base Byte Offset"},
269 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
270 };
271 
272 static struct acpi_exdump_info acpi_ex_dump_node[5] = {
273 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
274 	{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
275 	{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
276 	{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
277 	{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
278 };
279 
280 /* Dispatch table, indexed by object type */
281 
282 static struct acpi_exdump_info *acpi_ex_dump_info[] = {
283 	NULL,
284 	acpi_ex_dump_integer,
285 	acpi_ex_dump_string,
286 	acpi_ex_dump_buffer,
287 	acpi_ex_dump_package,
288 	NULL,
289 	acpi_ex_dump_device,
290 	acpi_ex_dump_event,
291 	acpi_ex_dump_method,
292 	acpi_ex_dump_mutex,
293 	acpi_ex_dump_region,
294 	acpi_ex_dump_power,
295 	acpi_ex_dump_processor,
296 	acpi_ex_dump_thermal,
297 	acpi_ex_dump_buffer_field,
298 	NULL,
299 	NULL,
300 	acpi_ex_dump_region_field,
301 	acpi_ex_dump_bank_field,
302 	acpi_ex_dump_index_field,
303 	acpi_ex_dump_reference,
304 	NULL,
305 	NULL,
306 	acpi_ex_dump_notify,
307 	acpi_ex_dump_address_handler,
308 	NULL,
309 	NULL,
310 	NULL
311 };
312 
313 /*******************************************************************************
314  *
315  * FUNCTION:    acpi_ex_dump_object
316  *
317  * PARAMETERS:  obj_desc            - Descriptor to dump
318  *              Info                - Info table corresponding to this object
319  *                                    type
320  *
321  * RETURN:      None
322  *
323  * DESCRIPTION: Walk the info table for this object
324  *
325  ******************************************************************************/
326 
327 static void
328 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
329 		    struct acpi_exdump_info *info)
330 {
331 	u8 *target;
332 	char *name;
333 	u8 count;
334 
335 	if (!info) {
336 		acpi_os_printf
337 		    ("ExDumpObject: Display not implemented for object type %s\n",
338 		     acpi_ut_get_object_type_name(obj_desc));
339 		return;
340 	}
341 
342 	/* First table entry must contain the table length (# of table entries) */
343 
344 	count = info->offset;
345 
346 	while (count) {
347 		target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
348 		name = info->name;
349 
350 		switch (info->opcode) {
351 		case ACPI_EXD_INIT:
352 			break;
353 
354 		case ACPI_EXD_TYPE:
355 
356 			acpi_ex_out_string("Type",
357 					   acpi_ut_get_object_type_name
358 					   (obj_desc));
359 			break;
360 
361 		case ACPI_EXD_UINT8:
362 
363 			acpi_os_printf("%20s : %2.2X\n", name, *target);
364 			break;
365 
366 		case ACPI_EXD_UINT16:
367 
368 			acpi_os_printf("%20s : %4.4X\n", name,
369 				       ACPI_GET16(target));
370 			break;
371 
372 		case ACPI_EXD_UINT32:
373 
374 			acpi_os_printf("%20s : %8.8X\n", name,
375 				       ACPI_GET32(target));
376 			break;
377 
378 		case ACPI_EXD_UINT64:
379 
380 			acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
381 				       ACPI_FORMAT_UINT64(ACPI_GET64(target)));
382 			break;
383 
384 		case ACPI_EXD_POINTER:
385 		case ACPI_EXD_ADDRESS:
386 
387 			acpi_ex_out_pointer(name,
388 					    *ACPI_CAST_PTR(void *, target));
389 			break;
390 
391 		case ACPI_EXD_STRING:
392 
393 			acpi_ut_print_string(obj_desc->string.pointer,
394 					     ACPI_UINT8_MAX);
395 			acpi_os_printf("\n");
396 			break;
397 
398 		case ACPI_EXD_BUFFER:
399 
400 			ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
401 					 obj_desc->buffer.length);
402 			break;
403 
404 		case ACPI_EXD_PACKAGE:
405 
406 			/* Dump the package contents */
407 
408 			acpi_os_printf("\nPackage Contents:\n");
409 			acpi_ex_dump_package_obj(obj_desc, 0, 0);
410 			break;
411 
412 		case ACPI_EXD_FIELD:
413 
414 			acpi_ex_dump_object(obj_desc,
415 					    acpi_ex_dump_field_common);
416 			break;
417 
418 		case ACPI_EXD_REFERENCE:
419 
420 			acpi_ex_out_string("Class Name",
421 					   ACPI_CAST_PTR(char,
422 							 acpi_ut_get_reference_name
423 							 (obj_desc)));
424 			acpi_ex_dump_reference_obj(obj_desc);
425 			break;
426 
427 		default:
428 
429 			acpi_os_printf("**** Invalid table opcode [%X] ****\n",
430 				       info->opcode);
431 			return;
432 		}
433 
434 		info++;
435 		count--;
436 	}
437 }
438 
439 /*******************************************************************************
440  *
441  * FUNCTION:    acpi_ex_dump_operand
442  *
443  * PARAMETERS:  *obj_desc       - Pointer to entry to be dumped
444  *              Depth           - Current nesting depth
445  *
446  * RETURN:      None
447  *
448  * DESCRIPTION: Dump an operand object
449  *
450  ******************************************************************************/
451 
452 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
453 {
454 	u32 length;
455 	u32 index;
456 
457 	ACPI_FUNCTION_NAME(ex_dump_operand)
458 
459 	    if (!((ACPI_LV_EXEC & acpi_dbg_level)
460 		  && (_COMPONENT & acpi_dbg_layer))) {
461 		return;
462 	}
463 
464 	if (!obj_desc) {
465 
466 		/* This could be a null element of a package */
467 
468 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
469 		return;
470 	}
471 
472 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
473 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
474 				  obj_desc));
475 		ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
476 		return;
477 	}
478 
479 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
480 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
481 				  "%p is not a node or operand object: [%s]\n",
482 				  obj_desc,
483 				  acpi_ut_get_descriptor_name(obj_desc)));
484 		ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
485 		return;
486 	}
487 
488 	/* obj_desc is a valid object */
489 
490 	if (depth > 0) {
491 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
492 				  depth, " ", depth, obj_desc));
493 	} else {
494 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
495 	}
496 
497 	/* Decode object type */
498 
499 	switch (obj_desc->common.type) {
500 	case ACPI_TYPE_LOCAL_REFERENCE:
501 
502 		acpi_os_printf("Reference: [%s] ",
503 			       acpi_ut_get_reference_name(obj_desc));
504 
505 		switch (obj_desc->reference.class) {
506 		case ACPI_REFCLASS_DEBUG:
507 
508 			acpi_os_printf("\n");
509 			break;
510 
511 		case ACPI_REFCLASS_INDEX:
512 
513 			acpi_os_printf("%p\n", obj_desc->reference.object);
514 			break;
515 
516 		case ACPI_REFCLASS_TABLE:
517 
518 			acpi_os_printf("Table Index %X\n",
519 				       obj_desc->reference.value);
520 			break;
521 
522 		case ACPI_REFCLASS_REFOF:
523 
524 			acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
525 				       acpi_ut_get_type_name(((union
526 							       acpi_operand_object
527 							       *)
528 							      obj_desc->
529 							      reference.
530 							      object)->common.
531 							     type));
532 			break;
533 
534 		case ACPI_REFCLASS_NAME:
535 
536 			acpi_os_printf("- [%4.4s]\n",
537 				       obj_desc->reference.node->name.ascii);
538 			break;
539 
540 		case ACPI_REFCLASS_ARG:
541 		case ACPI_REFCLASS_LOCAL:
542 
543 			acpi_os_printf("%X\n", obj_desc->reference.value);
544 			break;
545 
546 		default:	/* Unknown reference class */
547 
548 			acpi_os_printf("%2.2X\n", obj_desc->reference.class);
549 			break;
550 		}
551 		break;
552 
553 	case ACPI_TYPE_BUFFER:
554 
555 		acpi_os_printf("Buffer length %.2X @ %p\n",
556 			       obj_desc->buffer.length,
557 			       obj_desc->buffer.pointer);
558 
559 		/* Debug only -- dump the buffer contents */
560 
561 		if (obj_desc->buffer.pointer) {
562 			length = obj_desc->buffer.length;
563 			if (length > 128) {
564 				length = 128;
565 			}
566 
567 			acpi_os_printf
568 			    ("Buffer Contents: (displaying length 0x%.2X)\n",
569 			     length);
570 			ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
571 		}
572 		break;
573 
574 	case ACPI_TYPE_INTEGER:
575 
576 		acpi_os_printf("Integer %8.8X%8.8X\n",
577 			       ACPI_FORMAT_UINT64(obj_desc->integer.value));
578 		break;
579 
580 	case ACPI_TYPE_PACKAGE:
581 
582 		acpi_os_printf("Package [Len %X] ElementArray %p\n",
583 			       obj_desc->package.count,
584 			       obj_desc->package.elements);
585 
586 		/*
587 		 * If elements exist, package element pointer is valid,
588 		 * and debug_level exceeds 1, dump package's elements.
589 		 */
590 		if (obj_desc->package.count &&
591 		    obj_desc->package.elements && acpi_dbg_level > 1) {
592 			for (index = 0; index < obj_desc->package.count;
593 			     index++) {
594 				acpi_ex_dump_operand(obj_desc->package.
595 						     elements[index],
596 						     depth + 1);
597 			}
598 		}
599 		break;
600 
601 	case ACPI_TYPE_REGION:
602 
603 		acpi_os_printf("Region %s (%X)",
604 			       acpi_ut_get_region_name(obj_desc->region.
605 						       space_id),
606 			       obj_desc->region.space_id);
607 
608 		/*
609 		 * If the address and length have not been evaluated,
610 		 * don't print them.
611 		 */
612 		if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
613 			acpi_os_printf("\n");
614 		} else {
615 			acpi_os_printf(" base %8.8X%8.8X Length %X\n",
616 				       ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
617 							       address),
618 				       obj_desc->region.length);
619 		}
620 		break;
621 
622 	case ACPI_TYPE_STRING:
623 
624 		acpi_os_printf("String length %X @ %p ",
625 			       obj_desc->string.length,
626 			       obj_desc->string.pointer);
627 
628 		acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
629 		acpi_os_printf("\n");
630 		break;
631 
632 	case ACPI_TYPE_LOCAL_BANK_FIELD:
633 
634 		acpi_os_printf("BankField\n");
635 		break;
636 
637 	case ACPI_TYPE_LOCAL_REGION_FIELD:
638 
639 		acpi_os_printf
640 		    ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
641 		     "byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
642 		     obj_desc->field.access_byte_width,
643 		     obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
644 		     obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
645 		     obj_desc->field.base_byte_offset,
646 		     obj_desc->field.start_field_bit_offset);
647 
648 		acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
649 		break;
650 
651 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
652 
653 		acpi_os_printf("IndexField\n");
654 		break;
655 
656 	case ACPI_TYPE_BUFFER_FIELD:
657 
658 		acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
659 			       obj_desc->buffer_field.bit_length,
660 			       obj_desc->buffer_field.base_byte_offset,
661 			       obj_desc->buffer_field.start_field_bit_offset);
662 
663 		if (!obj_desc->buffer_field.buffer_obj) {
664 			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
665 		} else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
666 			   ACPI_TYPE_BUFFER) {
667 			acpi_os_printf("*not a Buffer*\n");
668 		} else {
669 			acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
670 					     depth + 1);
671 		}
672 		break;
673 
674 	case ACPI_TYPE_EVENT:
675 
676 		acpi_os_printf("Event\n");
677 		break;
678 
679 	case ACPI_TYPE_METHOD:
680 
681 		acpi_os_printf("Method(%X) @ %p:%X\n",
682 			       obj_desc->method.param_count,
683 			       obj_desc->method.aml_start,
684 			       obj_desc->method.aml_length);
685 		break;
686 
687 	case ACPI_TYPE_MUTEX:
688 
689 		acpi_os_printf("Mutex\n");
690 		break;
691 
692 	case ACPI_TYPE_DEVICE:
693 
694 		acpi_os_printf("Device\n");
695 		break;
696 
697 	case ACPI_TYPE_POWER:
698 
699 		acpi_os_printf("Power\n");
700 		break;
701 
702 	case ACPI_TYPE_PROCESSOR:
703 
704 		acpi_os_printf("Processor\n");
705 		break;
706 
707 	case ACPI_TYPE_THERMAL:
708 
709 		acpi_os_printf("Thermal\n");
710 		break;
711 
712 	default:
713 		/* Unknown Type */
714 
715 		acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
716 		break;
717 	}
718 
719 	return;
720 }
721 
722 /*******************************************************************************
723  *
724  * FUNCTION:    acpi_ex_dump_operands
725  *
726  * PARAMETERS:	Operands	    - A list of Operand objects
727  *		opcode_name	    - AML opcode name
728  *		num_operands	    - Operand count for this opcode
729  *
730  * DESCRIPTION: Dump the operands associated with the opcode
731  *
732  ******************************************************************************/
733 
734 void
735 acpi_ex_dump_operands(union acpi_operand_object **operands,
736 		      const char *opcode_name, u32 num_operands)
737 {
738 	ACPI_FUNCTION_NAME(ex_dump_operands);
739 
740 	if (!opcode_name) {
741 		opcode_name = "UNKNOWN";
742 	}
743 
744 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
745 			  "**** Start operand dump for opcode [%s], %u operands\n",
746 			  opcode_name, num_operands));
747 
748 	if (num_operands == 0) {
749 		num_operands = 1;
750 	}
751 
752 	/* Dump the individual operands */
753 
754 	while (num_operands) {
755 		acpi_ex_dump_operand(*operands, 0);
756 		operands++;
757 		num_operands--;
758 	}
759 
760 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
761 			  "**** End operand dump for [%s]\n", opcode_name));
762 	return;
763 }
764 
765 /*******************************************************************************
766  *
767  * FUNCTION:    acpi_ex_out* functions
768  *
769  * PARAMETERS:  Title               - Descriptive text
770  *              Value               - Value to be displayed
771  *
772  * DESCRIPTION: Object dump output formatting functions.  These functions
773  *              reduce the number of format strings required and keeps them
774  *              all in one place for easy modification.
775  *
776  ******************************************************************************/
777 
778 static void acpi_ex_out_string(char *title, char *value)
779 {
780 	acpi_os_printf("%20s : %s\n", title, value);
781 }
782 
783 static void acpi_ex_out_pointer(char *title, void *value)
784 {
785 	acpi_os_printf("%20s : %p\n", title, value);
786 }
787 
788 /*******************************************************************************
789  *
790  * FUNCTION:    acpi_ex_dump_namespace_node
791  *
792  * PARAMETERS:  Node                - Descriptor to dump
793  *              Flags               - Force display if TRUE
794  *
795  * DESCRIPTION: Dumps the members of the given.Node
796  *
797  ******************************************************************************/
798 
799 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
800 {
801 
802 	ACPI_FUNCTION_ENTRY();
803 
804 	if (!flags) {
805 		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
806 		      && (_COMPONENT & acpi_dbg_layer))) {
807 			return;
808 		}
809 	}
810 
811 	acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
812 	acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
813 	acpi_ex_out_pointer("Attached Object",
814 			    acpi_ns_get_attached_object(node));
815 	acpi_ex_out_pointer("Parent", node->parent);
816 
817 	acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
818 			    acpi_ex_dump_node);
819 }
820 
821 /*******************************************************************************
822  *
823  * FUNCTION:    acpi_ex_dump_reference_obj
824  *
825  * PARAMETERS:  Object              - Descriptor to dump
826  *
827  * DESCRIPTION: Dumps a reference object
828  *
829  ******************************************************************************/
830 
831 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
832 {
833 	struct acpi_buffer ret_buf;
834 	acpi_status status;
835 
836 	ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
837 
838 	if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
839 		acpi_os_printf(" %p ", obj_desc->reference.node);
840 
841 		status =
842 		    acpi_ns_handle_to_pathname(obj_desc->reference.node,
843 					       &ret_buf);
844 		if (ACPI_FAILURE(status)) {
845 			acpi_os_printf(" Could not convert name to pathname\n");
846 		} else {
847 			acpi_os_printf("%s\n", (char *)ret_buf.pointer);
848 			ACPI_FREE(ret_buf.pointer);
849 		}
850 	} else if (obj_desc->reference.object) {
851 		if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
852 		    ACPI_DESC_TYPE_OPERAND) {
853 			acpi_os_printf(" Target: %p",
854 				       obj_desc->reference.object);
855 			if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
856 				acpi_os_printf(" Table Index: %X\n",
857 					       obj_desc->reference.value);
858 			} else {
859 				acpi_os_printf(" Target: %p [%s]\n",
860 					       obj_desc->reference.object,
861 					       acpi_ut_get_type_name(((union
862 								       acpi_operand_object
863 								       *)
864 								      obj_desc->
865 								      reference.
866 								      object)->
867 								     common.
868 								     type));
869 			}
870 		} else {
871 			acpi_os_printf(" Target: %p\n",
872 				       obj_desc->reference.object);
873 		}
874 	}
875 }
876 
877 /*******************************************************************************
878  *
879  * FUNCTION:    acpi_ex_dump_package_obj
880  *
881  * PARAMETERS:  obj_desc            - Descriptor to dump
882  *              Level               - Indentation Level
883  *              Index               - Package index for this object
884  *
885  * DESCRIPTION: Dumps the elements of the package
886  *
887  ******************************************************************************/
888 
889 static void
890 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
891 			 u32 level, u32 index)
892 {
893 	u32 i;
894 
895 	/* Indentation and index output */
896 
897 	if (level > 0) {
898 		for (i = 0; i < level; i++) {
899 			acpi_os_printf(" ");
900 		}
901 
902 		acpi_os_printf("[%.2d] ", index);
903 	}
904 
905 	acpi_os_printf("%p ", obj_desc);
906 
907 	/* Null package elements are allowed */
908 
909 	if (!obj_desc) {
910 		acpi_os_printf("[Null Object]\n");
911 		return;
912 	}
913 
914 	/* Packages may only contain a few object types */
915 
916 	switch (obj_desc->common.type) {
917 	case ACPI_TYPE_INTEGER:
918 
919 		acpi_os_printf("[Integer] = %8.8X%8.8X\n",
920 			       ACPI_FORMAT_UINT64(obj_desc->integer.value));
921 		break;
922 
923 	case ACPI_TYPE_STRING:
924 
925 		acpi_os_printf("[String] Value: ");
926 		for (i = 0; i < obj_desc->string.length; i++) {
927 			acpi_os_printf("%c", obj_desc->string.pointer[i]);
928 		}
929 		acpi_os_printf("\n");
930 		break;
931 
932 	case ACPI_TYPE_BUFFER:
933 
934 		acpi_os_printf("[Buffer] Length %.2X = ",
935 			       obj_desc->buffer.length);
936 		if (obj_desc->buffer.length) {
937 			acpi_ut_dump_buffer(ACPI_CAST_PTR
938 					    (u8, obj_desc->buffer.pointer),
939 					    obj_desc->buffer.length,
940 					    DB_DWORD_DISPLAY, _COMPONENT);
941 		} else {
942 			acpi_os_printf("\n");
943 		}
944 		break;
945 
946 	case ACPI_TYPE_PACKAGE:
947 
948 		acpi_os_printf("[Package] Contains %u Elements:\n",
949 			       obj_desc->package.count);
950 
951 		for (i = 0; i < obj_desc->package.count; i++) {
952 			acpi_ex_dump_package_obj(obj_desc->package.elements[i],
953 						 level + 1, i);
954 		}
955 		break;
956 
957 	case ACPI_TYPE_LOCAL_REFERENCE:
958 
959 		acpi_os_printf("[Object Reference] Type [%s] %2.2X",
960 			       acpi_ut_get_reference_name(obj_desc),
961 			       obj_desc->reference.class);
962 		acpi_ex_dump_reference_obj(obj_desc);
963 		break;
964 
965 	default:
966 
967 		acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
968 		break;
969 	}
970 }
971 
972 /*******************************************************************************
973  *
974  * FUNCTION:    acpi_ex_dump_object_descriptor
975  *
976  * PARAMETERS:  obj_desc            - Descriptor to dump
977  *              Flags               - Force display if TRUE
978  *
979  * DESCRIPTION: Dumps the members of the object descriptor given.
980  *
981  ******************************************************************************/
982 
983 void
984 acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
985 {
986 	ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
987 
988 	if (!obj_desc) {
989 		return_VOID;
990 	}
991 
992 	if (!flags) {
993 		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
994 		      && (_COMPONENT & acpi_dbg_layer))) {
995 			return_VOID;
996 		}
997 	}
998 
999 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
1000 		acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
1001 					    obj_desc, flags);
1002 
1003 		acpi_os_printf("\nAttached Object (%p):\n",
1004 			       ((struct acpi_namespace_node *)obj_desc)->
1005 			       object);
1006 
1007 		acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *)
1008 						obj_desc)->object, flags);
1009 		return_VOID;
1010 	}
1011 
1012 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
1013 		acpi_os_printf
1014 		    ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
1015 		     obj_desc, acpi_ut_get_descriptor_name(obj_desc));
1016 		return_VOID;
1017 	}
1018 
1019 	if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
1020 		return_VOID;
1021 	}
1022 
1023 	/* Common Fields */
1024 
1025 	acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
1026 
1027 	/* Object-specific fields */
1028 
1029 	acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
1030 	return_VOID;
1031 }
1032 
1033 #endif
1034