xref: /openbmc/linux/drivers/acpi/acpica/exdump.c (revision b04b4f78)
1 /******************************************************************************
2  *
3  * Module Name: exdump - Interpreter debug output routines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2008, 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[8] = {
124 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
125 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
126 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
127 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
128 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
129 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
130 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
131 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
132 };
133 
134 static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
135 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
136 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
137 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
138 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
139 	 "Acquire Depth"},
140 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
141 };
142 
143 static struct acpi_exdump_info acpi_ex_dump_region[7] = {
144 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
145 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
146 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
147 	{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
148 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
149 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"},
150 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
151 };
152 
153 static struct acpi_exdump_info acpi_ex_dump_power[5] = {
154 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
155 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
156 	 "System Level"},
157 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
158 	 "Resource Order"},
159 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify),
160 	 "System Notify"},
161 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify),
162 	 "Device Notify"}
163 };
164 
165 static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
166 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
167 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
168 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
169 	{ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
170 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
171 	 "System Notify"},
172 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify),
173 	 "Device Notify"},
174 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
175 };
176 
177 static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
178 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
179 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify),
180 	 "System Notify"},
181 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify),
182 	 "Device Notify"},
183 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
184 };
185 
186 static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
187 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
188 	{ACPI_EXD_FIELD, 0, NULL},
189 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
190 	 "Buffer Object"}
191 };
192 
193 static struct acpi_exdump_info acpi_ex_dump_region_field[3] = {
194 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
195 	{ACPI_EXD_FIELD, 0, NULL},
196 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"}
197 };
198 
199 static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
200 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
201 	{ACPI_EXD_FIELD, 0, NULL},
202 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
203 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
204 	 "Region Object"},
205 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
206 };
207 
208 static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
209 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
210 	{ACPI_EXD_FIELD, 0, NULL},
211 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
212 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
213 	 "Index Object"},
214 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
215 };
216 
217 static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
218 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
219 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
220 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
221 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
222 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
223 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
224 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
225 	{ACPI_EXD_REFERENCE, 0, NULL}
226 };
227 
228 static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
229 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
230 	 NULL},
231 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
232 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"},
233 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list),
234 	 "Region List"},
235 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"},
236 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
237 };
238 
239 static struct acpi_exdump_info acpi_ex_dump_notify[3] = {
240 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
241 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"},
242 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}
243 };
244 
245 /* Miscellaneous tables */
246 
247 static struct acpi_exdump_info acpi_ex_dump_common[4] = {
248 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
249 	{ACPI_EXD_TYPE, 0, NULL},
250 	{ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
251 	 "Reference Count"},
252 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"}
253 };
254 
255 static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
256 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
257 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
258 	 "Field Flags"},
259 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
260 	 "Access Byte Width"},
261 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
262 	 "Bit Length"},
263 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
264 	 "Field Bit Offset"},
265 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
266 	 "Base Byte Offset"},
267 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
268 };
269 
270 static struct acpi_exdump_info acpi_ex_dump_node[5] = {
271 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
272 	{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
273 	{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
274 	{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
275 	{ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
276 };
277 
278 /* Dispatch table, indexed by object type */
279 
280 static struct acpi_exdump_info *acpi_ex_dump_info[] = {
281 	NULL,
282 	acpi_ex_dump_integer,
283 	acpi_ex_dump_string,
284 	acpi_ex_dump_buffer,
285 	acpi_ex_dump_package,
286 	NULL,
287 	acpi_ex_dump_device,
288 	acpi_ex_dump_event,
289 	acpi_ex_dump_method,
290 	acpi_ex_dump_mutex,
291 	acpi_ex_dump_region,
292 	acpi_ex_dump_power,
293 	acpi_ex_dump_processor,
294 	acpi_ex_dump_thermal,
295 	acpi_ex_dump_buffer_field,
296 	NULL,
297 	NULL,
298 	acpi_ex_dump_region_field,
299 	acpi_ex_dump_bank_field,
300 	acpi_ex_dump_index_field,
301 	acpi_ex_dump_reference,
302 	NULL,
303 	NULL,
304 	acpi_ex_dump_notify,
305 	acpi_ex_dump_address_handler,
306 	NULL,
307 	NULL,
308 	NULL
309 };
310 
311 /*******************************************************************************
312  *
313  * FUNCTION:    acpi_ex_dump_object
314  *
315  * PARAMETERS:  obj_desc            - Descriptor to dump
316  *              Info                - Info table corresponding to this object
317  *                                    type
318  *
319  * RETURN:      None
320  *
321  * DESCRIPTION: Walk the info table for this object
322  *
323  ******************************************************************************/
324 
325 static void
326 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
327 		    struct acpi_exdump_info *info)
328 {
329 	u8 *target;
330 	char *name;
331 	u8 count;
332 
333 	if (!info) {
334 		acpi_os_printf
335 		    ("ExDumpObject: Display not implemented for object type %s\n",
336 		     acpi_ut_get_object_type_name(obj_desc));
337 		return;
338 	}
339 
340 	/* First table entry must contain the table length (# of table entries) */
341 
342 	count = info->offset;
343 
344 	while (count) {
345 		target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
346 		name = info->name;
347 
348 		switch (info->opcode) {
349 		case ACPI_EXD_INIT:
350 			break;
351 
352 		case ACPI_EXD_TYPE:
353 
354 			acpi_ex_out_string("Type",
355 					   acpi_ut_get_object_type_name
356 					   (obj_desc));
357 			break;
358 
359 		case ACPI_EXD_UINT8:
360 
361 			acpi_os_printf("%20s : %2.2X\n", name, *target);
362 			break;
363 
364 		case ACPI_EXD_UINT16:
365 
366 			acpi_os_printf("%20s : %4.4X\n", name,
367 				       ACPI_GET16(target));
368 			break;
369 
370 		case ACPI_EXD_UINT32:
371 
372 			acpi_os_printf("%20s : %8.8X\n", name,
373 				       ACPI_GET32(target));
374 			break;
375 
376 		case ACPI_EXD_UINT64:
377 
378 			acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
379 				       ACPI_FORMAT_UINT64(ACPI_GET64(target)));
380 			break;
381 
382 		case ACPI_EXD_POINTER:
383 		case ACPI_EXD_ADDRESS:
384 
385 			acpi_ex_out_pointer(name,
386 					    *ACPI_CAST_PTR(void *, target));
387 			break;
388 
389 		case ACPI_EXD_STRING:
390 
391 			acpi_ut_print_string(obj_desc->string.pointer,
392 					     ACPI_UINT8_MAX);
393 			acpi_os_printf("\n");
394 			break;
395 
396 		case ACPI_EXD_BUFFER:
397 
398 			ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
399 					 obj_desc->buffer.length);
400 			break;
401 
402 		case ACPI_EXD_PACKAGE:
403 
404 			/* Dump the package contents */
405 
406 			acpi_os_printf("\nPackage Contents:\n");
407 			acpi_ex_dump_package_obj(obj_desc, 0, 0);
408 			break;
409 
410 		case ACPI_EXD_FIELD:
411 
412 			acpi_ex_dump_object(obj_desc,
413 					    acpi_ex_dump_field_common);
414 			break;
415 
416 		case ACPI_EXD_REFERENCE:
417 
418 			acpi_ex_out_string("Class Name",
419 					   (char *)
420 					   acpi_ut_get_reference_name
421 					   (obj_desc));
422 			acpi_ex_dump_reference_obj(obj_desc);
423 			break;
424 
425 		default:
426 
427 			acpi_os_printf("**** Invalid table opcode [%X] ****\n",
428 				       info->opcode);
429 			return;
430 		}
431 
432 		info++;
433 		count--;
434 	}
435 }
436 
437 /*******************************************************************************
438  *
439  * FUNCTION:    acpi_ex_dump_operand
440  *
441  * PARAMETERS:  *obj_desc       - Pointer to entry to be dumped
442  *              Depth           - Current nesting depth
443  *
444  * RETURN:      None
445  *
446  * DESCRIPTION: Dump an operand object
447  *
448  ******************************************************************************/
449 
450 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
451 {
452 	u32 length;
453 	u32 index;
454 
455 	ACPI_FUNCTION_NAME(ex_dump_operand)
456 
457 	    if (!((ACPI_LV_EXEC & acpi_dbg_level)
458 		  && (_COMPONENT & acpi_dbg_layer))) {
459 		return;
460 	}
461 
462 	if (!obj_desc) {
463 
464 		/* This could be a null element of a package */
465 
466 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
467 		return;
468 	}
469 
470 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
471 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
472 				  obj_desc));
473 		ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
474 		return;
475 	}
476 
477 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
478 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
479 				  "%p is not a node or operand object: [%s]\n",
480 				  obj_desc,
481 				  acpi_ut_get_descriptor_name(obj_desc)));
482 		ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
483 		return;
484 	}
485 
486 	/* obj_desc is a valid object */
487 
488 	if (depth > 0) {
489 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
490 				  depth, " ", depth, obj_desc));
491 	} else {
492 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
493 	}
494 
495 	/* Decode object type */
496 
497 	switch (obj_desc->common.type) {
498 	case ACPI_TYPE_LOCAL_REFERENCE:
499 
500 		acpi_os_printf("Reference: [%s] ",
501 			       acpi_ut_get_reference_name(obj_desc));
502 
503 		switch (obj_desc->reference.class) {
504 		case ACPI_REFCLASS_DEBUG:
505 
506 			acpi_os_printf("\n");
507 			break;
508 
509 		case ACPI_REFCLASS_INDEX:
510 
511 			acpi_os_printf("%p\n", obj_desc->reference.object);
512 			break;
513 
514 		case ACPI_REFCLASS_TABLE:
515 
516 			acpi_os_printf("Table Index %X\n",
517 				       obj_desc->reference.value);
518 			break;
519 
520 		case ACPI_REFCLASS_REFOF:
521 
522 			acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
523 				       acpi_ut_get_type_name(((union
524 							       acpi_operand_object
525 							       *)
526 							      obj_desc->
527 							      reference.
528 							      object)->common.
529 							     type));
530 			break;
531 
532 		case ACPI_REFCLASS_NAME:
533 
534 			acpi_os_printf("- [%4.4s]\n",
535 				       obj_desc->reference.node->name.ascii);
536 			break;
537 
538 		case ACPI_REFCLASS_ARG:
539 		case ACPI_REFCLASS_LOCAL:
540 
541 			acpi_os_printf("%X\n", obj_desc->reference.value);
542 			break;
543 
544 		default:	/* Unknown reference class */
545 
546 			acpi_os_printf("%2.2X\n", obj_desc->reference.class);
547 			break;
548 		}
549 		break;
550 
551 	case ACPI_TYPE_BUFFER:
552 
553 		acpi_os_printf("Buffer length %.2X @ %p\n",
554 			       obj_desc->buffer.length,
555 			       obj_desc->buffer.pointer);
556 
557 		/* Debug only -- dump the buffer contents */
558 
559 		if (obj_desc->buffer.pointer) {
560 			length = obj_desc->buffer.length;
561 			if (length > 128) {
562 				length = 128;
563 			}
564 
565 			acpi_os_printf
566 			    ("Buffer Contents: (displaying length 0x%.2X)\n",
567 			     length);
568 			ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
569 		}
570 		break;
571 
572 	case ACPI_TYPE_INTEGER:
573 
574 		acpi_os_printf("Integer %8.8X%8.8X\n",
575 			       ACPI_FORMAT_UINT64(obj_desc->integer.value));
576 		break;
577 
578 	case ACPI_TYPE_PACKAGE:
579 
580 		acpi_os_printf("Package [Len %X] ElementArray %p\n",
581 			       obj_desc->package.count,
582 			       obj_desc->package.elements);
583 
584 		/*
585 		 * If elements exist, package element pointer is valid,
586 		 * and debug_level exceeds 1, dump package's elements.
587 		 */
588 		if (obj_desc->package.count &&
589 		    obj_desc->package.elements && acpi_dbg_level > 1) {
590 			for (index = 0; index < obj_desc->package.count;
591 			     index++) {
592 				acpi_ex_dump_operand(obj_desc->package.
593 						     elements[index],
594 						     depth + 1);
595 			}
596 		}
597 		break;
598 
599 	case ACPI_TYPE_REGION:
600 
601 		acpi_os_printf("Region %s (%X)",
602 			       acpi_ut_get_region_name(obj_desc->region.
603 						       space_id),
604 			       obj_desc->region.space_id);
605 
606 		/*
607 		 * If the address and length have not been evaluated,
608 		 * don't print them.
609 		 */
610 		if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
611 			acpi_os_printf("\n");
612 		} else {
613 			acpi_os_printf(" base %8.8X%8.8X Length %X\n",
614 				       ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
615 							       address),
616 				       obj_desc->region.length);
617 		}
618 		break;
619 
620 	case ACPI_TYPE_STRING:
621 
622 		acpi_os_printf("String length %X @ %p ",
623 			       obj_desc->string.length,
624 			       obj_desc->string.pointer);
625 
626 		acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
627 		acpi_os_printf("\n");
628 		break;
629 
630 	case ACPI_TYPE_LOCAL_BANK_FIELD:
631 
632 		acpi_os_printf("BankField\n");
633 		break;
634 
635 	case ACPI_TYPE_LOCAL_REGION_FIELD:
636 
637 		acpi_os_printf
638 		    ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
639 		     "byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
640 		     obj_desc->field.access_byte_width,
641 		     obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
642 		     obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
643 		     obj_desc->field.base_byte_offset,
644 		     obj_desc->field.start_field_bit_offset);
645 
646 		acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
647 		break;
648 
649 	case ACPI_TYPE_LOCAL_INDEX_FIELD:
650 
651 		acpi_os_printf("IndexField\n");
652 		break;
653 
654 	case ACPI_TYPE_BUFFER_FIELD:
655 
656 		acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
657 			       obj_desc->buffer_field.bit_length,
658 			       obj_desc->buffer_field.base_byte_offset,
659 			       obj_desc->buffer_field.start_field_bit_offset);
660 
661 		if (!obj_desc->buffer_field.buffer_obj) {
662 			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
663 		} else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
664 			   ACPI_TYPE_BUFFER) {
665 			acpi_os_printf("*not a Buffer*\n");
666 		} else {
667 			acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
668 					     depth + 1);
669 		}
670 		break;
671 
672 	case ACPI_TYPE_EVENT:
673 
674 		acpi_os_printf("Event\n");
675 		break;
676 
677 	case ACPI_TYPE_METHOD:
678 
679 		acpi_os_printf("Method(%X) @ %p:%X\n",
680 			       obj_desc->method.param_count,
681 			       obj_desc->method.aml_start,
682 			       obj_desc->method.aml_length);
683 		break;
684 
685 	case ACPI_TYPE_MUTEX:
686 
687 		acpi_os_printf("Mutex\n");
688 		break;
689 
690 	case ACPI_TYPE_DEVICE:
691 
692 		acpi_os_printf("Device\n");
693 		break;
694 
695 	case ACPI_TYPE_POWER:
696 
697 		acpi_os_printf("Power\n");
698 		break;
699 
700 	case ACPI_TYPE_PROCESSOR:
701 
702 		acpi_os_printf("Processor\n");
703 		break;
704 
705 	case ACPI_TYPE_THERMAL:
706 
707 		acpi_os_printf("Thermal\n");
708 		break;
709 
710 	default:
711 		/* Unknown Type */
712 
713 		acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
714 		break;
715 	}
716 
717 	return;
718 }
719 
720 /*******************************************************************************
721  *
722  * FUNCTION:    acpi_ex_dump_operands
723  *
724  * PARAMETERS:	Operands	    - A list of Operand objects
725  *		opcode_name	    - AML opcode name
726  *		num_operands	    - Operand count for this opcode
727  *
728  * DESCRIPTION: Dump the operands associated with the opcode
729  *
730  ******************************************************************************/
731 
732 void
733 acpi_ex_dump_operands(union acpi_operand_object **operands,
734 		      const char *opcode_name, u32 num_operands)
735 {
736 	ACPI_FUNCTION_NAME(ex_dump_operands);
737 
738 	if (!opcode_name) {
739 		opcode_name = "UNKNOWN";
740 	}
741 
742 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
743 			  "**** Start operand dump for opcode [%s], %d operands\n",
744 			  opcode_name, num_operands));
745 
746 	if (num_operands == 0) {
747 		num_operands = 1;
748 	}
749 
750 	/* Dump the individual operands */
751 
752 	while (num_operands) {
753 		acpi_ex_dump_operand(*operands, 0);
754 		operands++;
755 		num_operands--;
756 	}
757 
758 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
759 			  "**** End operand dump for [%s]\n", opcode_name));
760 	return;
761 }
762 
763 /*******************************************************************************
764  *
765  * FUNCTION:    acpi_ex_out* functions
766  *
767  * PARAMETERS:  Title               - Descriptive text
768  *              Value               - Value to be displayed
769  *
770  * DESCRIPTION: Object dump output formatting functions.  These functions
771  *              reduce the number of format strings required and keeps them
772  *              all in one place for easy modification.
773  *
774  ******************************************************************************/
775 
776 static void acpi_ex_out_string(char *title, char *value)
777 {
778 	acpi_os_printf("%20s : %s\n", title, value);
779 }
780 
781 static void acpi_ex_out_pointer(char *title, void *value)
782 {
783 	acpi_os_printf("%20s : %p\n", title, value);
784 }
785 
786 /*******************************************************************************
787  *
788  * FUNCTION:    acpi_ex_dump_namespace_node
789  *
790  * PARAMETERS:  Node                - Descriptor to dump
791  *              Flags               - Force display if TRUE
792  *
793  * DESCRIPTION: Dumps the members of the given.Node
794  *
795  ******************************************************************************/
796 
797 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
798 {
799 
800 	ACPI_FUNCTION_ENTRY();
801 
802 	if (!flags) {
803 		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
804 		      && (_COMPONENT & acpi_dbg_layer))) {
805 			return;
806 		}
807 	}
808 
809 	acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
810 	acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
811 	acpi_ex_out_pointer("Attached Object",
812 			    acpi_ns_get_attached_object(node));
813 	acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node));
814 
815 	acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
816 			    acpi_ex_dump_node);
817 }
818 
819 /*******************************************************************************
820  *
821  * FUNCTION:    acpi_ex_dump_reference_obj
822  *
823  * PARAMETERS:  Object              - Descriptor to dump
824  *
825  * DESCRIPTION: Dumps a reference object
826  *
827  ******************************************************************************/
828 
829 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
830 {
831 	struct acpi_buffer ret_buf;
832 	acpi_status status;
833 
834 	ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
835 
836 	if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
837 		acpi_os_printf(" %p ", obj_desc->reference.node);
838 
839 		status =
840 		    acpi_ns_handle_to_pathname(obj_desc->reference.node,
841 					       &ret_buf);
842 		if (ACPI_FAILURE(status)) {
843 			acpi_os_printf(" Could not convert name to pathname\n");
844 		} else {
845 			acpi_os_printf("%s\n", (char *)ret_buf.pointer);
846 			ACPI_FREE(ret_buf.pointer);
847 		}
848 	} else if (obj_desc->reference.object) {
849 		if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
850 		    ACPI_DESC_TYPE_OPERAND) {
851 			acpi_os_printf(" Target: %p",
852 				       obj_desc->reference.object);
853 			if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
854 				acpi_os_printf(" Table Index: %X\n",
855 					       obj_desc->reference.value);
856 			} else {
857 				acpi_os_printf(" Target: %p [%s]\n",
858 					       obj_desc->reference.object,
859 					       acpi_ut_get_type_name(((union
860 								       acpi_operand_object
861 								       *)
862 								      obj_desc->
863 								      reference.
864 								      object)->
865 								     common.
866 								     type));
867 			}
868 		} else {
869 			acpi_os_printf(" Target: %p\n",
870 				       obj_desc->reference.object);
871 		}
872 	}
873 }
874 
875 /*******************************************************************************
876  *
877  * FUNCTION:    acpi_ex_dump_package_obj
878  *
879  * PARAMETERS:  obj_desc            - Descriptor to dump
880  *              Level               - Indentation Level
881  *              Index               - Package index for this object
882  *
883  * DESCRIPTION: Dumps the elements of the package
884  *
885  ******************************************************************************/
886 
887 static void
888 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
889 			 u32 level, u32 index)
890 {
891 	u32 i;
892 
893 	/* Indentation and index output */
894 
895 	if (level > 0) {
896 		for (i = 0; i < level; i++) {
897 			acpi_os_printf(" ");
898 		}
899 
900 		acpi_os_printf("[%.2d] ", index);
901 	}
902 
903 	acpi_os_printf("%p ", obj_desc);
904 
905 	/* Null package elements are allowed */
906 
907 	if (!obj_desc) {
908 		acpi_os_printf("[Null Object]\n");
909 		return;
910 	}
911 
912 	/* Packages may only contain a few object types */
913 
914 	switch (obj_desc->common.type) {
915 	case ACPI_TYPE_INTEGER:
916 
917 		acpi_os_printf("[Integer] = %8.8X%8.8X\n",
918 			       ACPI_FORMAT_UINT64(obj_desc->integer.value));
919 		break;
920 
921 	case ACPI_TYPE_STRING:
922 
923 		acpi_os_printf("[String] Value: ");
924 		for (i = 0; i < obj_desc->string.length; i++) {
925 			acpi_os_printf("%c", obj_desc->string.pointer[i]);
926 		}
927 		acpi_os_printf("\n");
928 		break;
929 
930 	case ACPI_TYPE_BUFFER:
931 
932 		acpi_os_printf("[Buffer] Length %.2X = ",
933 			       obj_desc->buffer.length);
934 		if (obj_desc->buffer.length) {
935 			acpi_ut_dump_buffer(ACPI_CAST_PTR
936 					    (u8, obj_desc->buffer.pointer),
937 					    obj_desc->buffer.length,
938 					    DB_DWORD_DISPLAY, _COMPONENT);
939 		} else {
940 			acpi_os_printf("\n");
941 		}
942 		break;
943 
944 	case ACPI_TYPE_PACKAGE:
945 
946 		acpi_os_printf("[Package] Contains %d Elements:\n",
947 			       obj_desc->package.count);
948 
949 		for (i = 0; i < obj_desc->package.count; i++) {
950 			acpi_ex_dump_package_obj(obj_desc->package.elements[i],
951 						 level + 1, i);
952 		}
953 		break;
954 
955 	case ACPI_TYPE_LOCAL_REFERENCE:
956 
957 		acpi_os_printf("[Object Reference] Type [%s] %2.2X",
958 			       acpi_ut_get_reference_name(obj_desc),
959 			       obj_desc->reference.class);
960 		acpi_ex_dump_reference_obj(obj_desc);
961 		break;
962 
963 	default:
964 
965 		acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
966 		break;
967 	}
968 }
969 
970 /*******************************************************************************
971  *
972  * FUNCTION:    acpi_ex_dump_object_descriptor
973  *
974  * PARAMETERS:  obj_desc            - Descriptor to dump
975  *              Flags               - Force display if TRUE
976  *
977  * DESCRIPTION: Dumps the members of the object descriptor given.
978  *
979  ******************************************************************************/
980 
981 void
982 acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
983 {
984 	ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
985 
986 	if (!obj_desc) {
987 		return_VOID;
988 	}
989 
990 	if (!flags) {
991 		if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
992 		      && (_COMPONENT & acpi_dbg_layer))) {
993 			return_VOID;
994 		}
995 	}
996 
997 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
998 		acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
999 					    obj_desc, flags);
1000 
1001 		acpi_os_printf("\nAttached Object (%p):\n",
1002 			       ((struct acpi_namespace_node *)obj_desc)->
1003 			       object);
1004 
1005 		acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *)
1006 						obj_desc)->object, flags);
1007 		return_VOID;
1008 	}
1009 
1010 	if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
1011 		acpi_os_printf
1012 		    ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
1013 		     obj_desc, acpi_ut_get_descriptor_name(obj_desc));
1014 		return_VOID;
1015 	}
1016 
1017 	if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
1018 		return_VOID;
1019 	}
1020 
1021 	/* Common Fields */
1022 
1023 	acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
1024 
1025 	/* Object-specific fields */
1026 
1027 	acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
1028 	return_VOID;
1029 }
1030 
1031 #endif
1032