xref: /openbmc/linux/drivers/acpi/acpica/dbdisply.c (revision a8fe58ce)
1 /*******************************************************************************
2  *
3  * Module Name: dbdisply - debug display commands
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 "amlcode.h"
47 #include "acdispat.h"
48 #include "acnamesp.h"
49 #include "acparser.h"
50 #include "acinterp.h"
51 #include "acevents.h"
52 #include "acdebug.h"
53 
54 #define _COMPONENT          ACPI_CA_DEBUGGER
55 ACPI_MODULE_NAME("dbdisply")
56 
57 /* Local prototypes */
58 static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op);
59 
60 static void *acpi_db_get_pointer(void *target);
61 
62 static acpi_status
63 acpi_db_display_non_root_handlers(acpi_handle obj_handle,
64 				  u32 nesting_level,
65 				  void *context, void **return_value);
66 
67 /*
68  * System handler information.
69  * Used for Handlers command, in acpi_db_display_handlers.
70  */
71 #define ACPI_PREDEFINED_PREFIX          "%25s (%.2X) : "
72 #define ACPI_HANDLER_NAME_STRING               "%30s : "
73 #define ACPI_HANDLER_PRESENT_STRING                    "%-9s (%p)\n"
74 #define ACPI_HANDLER_PRESENT_STRING2                   "%-9s (%p)"
75 #define ACPI_HANDLER_NOT_PRESENT_STRING                "%-9s\n"
76 
77 /* All predefined Address Space IDs */
78 
79 static acpi_adr_space_type acpi_gbl_space_id_list[] = {
80 	ACPI_ADR_SPACE_SYSTEM_MEMORY,
81 	ACPI_ADR_SPACE_SYSTEM_IO,
82 	ACPI_ADR_SPACE_PCI_CONFIG,
83 	ACPI_ADR_SPACE_EC,
84 	ACPI_ADR_SPACE_SMBUS,
85 	ACPI_ADR_SPACE_CMOS,
86 	ACPI_ADR_SPACE_PCI_BAR_TARGET,
87 	ACPI_ADR_SPACE_IPMI,
88 	ACPI_ADR_SPACE_GPIO,
89 	ACPI_ADR_SPACE_GSBUS,
90 	ACPI_ADR_SPACE_DATA_TABLE,
91 	ACPI_ADR_SPACE_FIXED_HARDWARE
92 };
93 
94 /* Global handler information */
95 
96 typedef struct acpi_handler_info {
97 	void *handler;
98 	char *name;
99 
100 } acpi_handler_info;
101 
102 static struct acpi_handler_info acpi_gbl_handler_list[] = {
103 	{&acpi_gbl_global_notify[0].handler, "System Notifications"},
104 	{&acpi_gbl_global_notify[1].handler, "Device Notifications"},
105 	{&acpi_gbl_table_handler, "ACPI Table Events"},
106 	{&acpi_gbl_exception_handler, "Control Method Exceptions"},
107 	{&acpi_gbl_interface_handler, "OSI Invocations"}
108 };
109 
110 /*******************************************************************************
111  *
112  * FUNCTION:    acpi_db_get_pointer
113  *
114  * PARAMETERS:  target          - Pointer to string to be converted
115  *
116  * RETURN:      Converted pointer
117  *
118  * DESCRIPTION: Convert an ascii pointer value to a real value
119  *
120  ******************************************************************************/
121 
122 static void *acpi_db_get_pointer(void *target)
123 {
124 	void *obj_ptr;
125 	acpi_size address;
126 
127 	address = strtoul(target, NULL, 16);
128 	obj_ptr = ACPI_TO_POINTER(address);
129 	return (obj_ptr);
130 }
131 
132 /*******************************************************************************
133  *
134  * FUNCTION:    acpi_db_dump_parser_descriptor
135  *
136  * PARAMETERS:  op              - A parser Op descriptor
137  *
138  * RETURN:      None
139  *
140  * DESCRIPTION: Display a formatted parser object
141  *
142  ******************************************************************************/
143 
144 static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op)
145 {
146 	const struct acpi_opcode_info *info;
147 
148 	info = acpi_ps_get_opcode_info(op->common.aml_opcode);
149 
150 	acpi_os_printf("Parser Op Descriptor:\n");
151 	acpi_os_printf("%20.20s : %4.4X\n", "Opcode", op->common.aml_opcode);
152 
153 	ACPI_DEBUG_ONLY_MEMBERS(acpi_os_printf("%20.20s : %s\n", "Opcode Name",
154 					       info->name));
155 
156 	acpi_os_printf("%20.20s : %p\n", "Value/ArgList", op->common.value.arg);
157 	acpi_os_printf("%20.20s : %p\n", "Parent", op->common.parent);
158 	acpi_os_printf("%20.20s : %p\n", "NextOp", op->common.next);
159 }
160 
161 /*******************************************************************************
162  *
163  * FUNCTION:    acpi_db_decode_and_display_object
164  *
165  * PARAMETERS:  target          - String with object to be displayed. Names
166  *                                and hex pointers are supported.
167  *              output_type     - Byte, Word, Dword, or Qword (B|W|D|Q)
168  *
169  * RETURN:      None
170  *
171  * DESCRIPTION: Display a formatted ACPI object
172  *
173  ******************************************************************************/
174 
175 void acpi_db_decode_and_display_object(char *target, char *output_type)
176 {
177 	void *obj_ptr;
178 	struct acpi_namespace_node *node;
179 	union acpi_operand_object *obj_desc;
180 	u32 display = DB_BYTE_DISPLAY;
181 	char buffer[80];
182 	struct acpi_buffer ret_buf;
183 	acpi_status status;
184 	u32 size;
185 
186 	if (!target) {
187 		return;
188 	}
189 
190 	/* Decode the output type */
191 
192 	if (output_type) {
193 		acpi_ut_strupr(output_type);
194 		if (output_type[0] == 'W') {
195 			display = DB_WORD_DISPLAY;
196 		} else if (output_type[0] == 'D') {
197 			display = DB_DWORD_DISPLAY;
198 		} else if (output_type[0] == 'Q') {
199 			display = DB_QWORD_DISPLAY;
200 		}
201 	}
202 
203 	ret_buf.length = sizeof(buffer);
204 	ret_buf.pointer = buffer;
205 
206 	/* Differentiate between a number and a name */
207 
208 	if ((target[0] >= 0x30) && (target[0] <= 0x39)) {
209 		obj_ptr = acpi_db_get_pointer(target);
210 		if (!acpi_os_readable(obj_ptr, 16)) {
211 			acpi_os_printf
212 			    ("Address %p is invalid in this address space\n",
213 			     obj_ptr);
214 			return;
215 		}
216 
217 		/* Decode the object type */
218 
219 		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_ptr)) {
220 		case ACPI_DESC_TYPE_NAMED:
221 
222 			/* This is a namespace Node */
223 
224 			if (!acpi_os_readable
225 			    (obj_ptr, sizeof(struct acpi_namespace_node))) {
226 				acpi_os_printf
227 				    ("Cannot read entire Named object at address %p\n",
228 				     obj_ptr);
229 				return;
230 			}
231 
232 			node = obj_ptr;
233 			goto dump_node;
234 
235 		case ACPI_DESC_TYPE_OPERAND:
236 
237 			/* This is a ACPI OPERAND OBJECT */
238 
239 			if (!acpi_os_readable
240 			    (obj_ptr, sizeof(union acpi_operand_object))) {
241 				acpi_os_printf
242 				    ("Cannot read entire ACPI object at address %p\n",
243 				     obj_ptr);
244 				return;
245 			}
246 
247 			acpi_ut_debug_dump_buffer(obj_ptr,
248 						  sizeof(union
249 							 acpi_operand_object),
250 						  display, ACPI_UINT32_MAX);
251 			acpi_ex_dump_object_descriptor(obj_ptr, 1);
252 			break;
253 
254 		case ACPI_DESC_TYPE_PARSER:
255 
256 			/* This is a Parser Op object */
257 
258 			if (!acpi_os_readable
259 			    (obj_ptr, sizeof(union acpi_parse_object))) {
260 				acpi_os_printf
261 				    ("Cannot read entire Parser object at address %p\n",
262 				     obj_ptr);
263 				return;
264 			}
265 
266 			acpi_ut_debug_dump_buffer(obj_ptr,
267 						  sizeof(union
268 							 acpi_parse_object),
269 						  display, ACPI_UINT32_MAX);
270 			acpi_db_dump_parser_descriptor((union acpi_parse_object
271 							*)obj_ptr);
272 			break;
273 
274 		default:
275 
276 			/* Is not a recognizeable object */
277 
278 			acpi_os_printf
279 			    ("Not a known ACPI internal object, descriptor type %2.2X\n",
280 			     ACPI_GET_DESCRIPTOR_TYPE(obj_ptr));
281 
282 			size = 16;
283 			if (acpi_os_readable(obj_ptr, 64)) {
284 				size = 64;
285 			}
286 
287 			/* Just dump some memory */
288 
289 			acpi_ut_debug_dump_buffer(obj_ptr, size, display,
290 						  ACPI_UINT32_MAX);
291 			break;
292 		}
293 
294 		return;
295 	}
296 
297 	/* The parameter is a name string that must be resolved to a Named obj */
298 
299 	node = acpi_db_local_ns_lookup(target);
300 	if (!node) {
301 		return;
302 	}
303 
304 dump_node:
305 	/* Now dump the NS node */
306 
307 	status = acpi_get_name(node, ACPI_FULL_PATHNAME_NO_TRAILING, &ret_buf);
308 	if (ACPI_FAILURE(status)) {
309 		acpi_os_printf("Could not convert name to pathname\n");
310 	}
311 
312 	else {
313 		acpi_os_printf("Object (%p) Pathname: %s\n",
314 			       node, (char *)ret_buf.pointer);
315 	}
316 
317 	if (!acpi_os_readable(node, sizeof(struct acpi_namespace_node))) {
318 		acpi_os_printf("Invalid Named object at address %p\n", node);
319 		return;
320 	}
321 
322 	acpi_ut_debug_dump_buffer((void *)node,
323 				  sizeof(struct acpi_namespace_node), display,
324 				  ACPI_UINT32_MAX);
325 	acpi_ex_dump_namespace_node(node, 1);
326 
327 	obj_desc = acpi_ns_get_attached_object(node);
328 	if (obj_desc) {
329 		acpi_os_printf("\nAttached Object (%p):\n", obj_desc);
330 		if (!acpi_os_readable
331 		    (obj_desc, sizeof(union acpi_operand_object))) {
332 			acpi_os_printf
333 			    ("Invalid internal ACPI Object at address %p\n",
334 			     obj_desc);
335 			return;
336 		}
337 
338 		acpi_ut_debug_dump_buffer((void *)obj_desc,
339 					  sizeof(union acpi_operand_object),
340 					  display, ACPI_UINT32_MAX);
341 		acpi_ex_dump_object_descriptor(obj_desc, 1);
342 	}
343 }
344 
345 /*******************************************************************************
346  *
347  * FUNCTION:    acpi_db_display_method_info
348  *
349  * PARAMETERS:  start_op        - Root of the control method parse tree
350  *
351  * RETURN:      None
352  *
353  * DESCRIPTION: Display information about the current method
354  *
355  ******************************************************************************/
356 
357 void acpi_db_display_method_info(union acpi_parse_object *start_op)
358 {
359 	struct acpi_walk_state *walk_state;
360 	union acpi_operand_object *obj_desc;
361 	struct acpi_namespace_node *node;
362 	union acpi_parse_object *root_op;
363 	union acpi_parse_object *op;
364 	const struct acpi_opcode_info *op_info;
365 	u32 num_ops = 0;
366 	u32 num_operands = 0;
367 	u32 num_operators = 0;
368 	u32 num_remaining_ops = 0;
369 	u32 num_remaining_operands = 0;
370 	u32 num_remaining_operators = 0;
371 	u8 count_remaining = FALSE;
372 
373 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
374 	if (!walk_state) {
375 		acpi_os_printf("There is no method currently executing\n");
376 		return;
377 	}
378 
379 	obj_desc = walk_state->method_desc;
380 	node = walk_state->method_node;
381 
382 	acpi_os_printf("Currently executing control method is [%4.4s]\n",
383 		       acpi_ut_get_node_name(node));
384 	acpi_os_printf("%X Arguments, SyncLevel = %X\n",
385 		       (u32)obj_desc->method.param_count,
386 		       (u32)obj_desc->method.sync_level);
387 
388 	root_op = start_op;
389 	while (root_op->common.parent) {
390 		root_op = root_op->common.parent;
391 	}
392 
393 	op = root_op;
394 
395 	while (op) {
396 		if (op == start_op) {
397 			count_remaining = TRUE;
398 		}
399 
400 		num_ops++;
401 		if (count_remaining) {
402 			num_remaining_ops++;
403 		}
404 
405 		/* Decode the opcode */
406 
407 		op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
408 		switch (op_info->class) {
409 		case AML_CLASS_ARGUMENT:
410 
411 			if (count_remaining) {
412 				num_remaining_operands++;
413 			}
414 
415 			num_operands++;
416 			break;
417 
418 		case AML_CLASS_UNKNOWN:
419 
420 			/* Bad opcode or ASCII character */
421 
422 			continue;
423 
424 		default:
425 
426 			if (count_remaining) {
427 				num_remaining_operators++;
428 			}
429 
430 			num_operators++;
431 			break;
432 		}
433 
434 		op = acpi_ps_get_depth_next(start_op, op);
435 	}
436 
437 	acpi_os_printf
438 	    ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
439 	     num_ops, num_operators, num_operands);
440 
441 	acpi_os_printf
442 	    ("Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
443 	     num_remaining_ops, num_remaining_operators,
444 	     num_remaining_operands);
445 }
446 
447 /*******************************************************************************
448  *
449  * FUNCTION:    acpi_db_display_locals
450  *
451  * PARAMETERS:  None
452  *
453  * RETURN:      None
454  *
455  * DESCRIPTION: Display all locals for the currently running control method
456  *
457  ******************************************************************************/
458 
459 void acpi_db_display_locals(void)
460 {
461 	struct acpi_walk_state *walk_state;
462 
463 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
464 	if (!walk_state) {
465 		acpi_os_printf("There is no method currently executing\n");
466 		return;
467 	}
468 
469 	acpi_db_decode_locals(walk_state);
470 }
471 
472 /*******************************************************************************
473  *
474  * FUNCTION:    acpi_db_display_arguments
475  *
476  * PARAMETERS:  None
477  *
478  * RETURN:      None
479  *
480  * DESCRIPTION: Display all arguments for the currently running control method
481  *
482  ******************************************************************************/
483 
484 void acpi_db_display_arguments(void)
485 {
486 	struct acpi_walk_state *walk_state;
487 
488 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
489 	if (!walk_state) {
490 		acpi_os_printf("There is no method currently executing\n");
491 		return;
492 	}
493 
494 	acpi_db_decode_arguments(walk_state);
495 }
496 
497 /*******************************************************************************
498  *
499  * FUNCTION:    acpi_db_display_results
500  *
501  * PARAMETERS:  None
502  *
503  * RETURN:      None
504  *
505  * DESCRIPTION: Display current contents of a method result stack
506  *
507  ******************************************************************************/
508 
509 void acpi_db_display_results(void)
510 {
511 	u32 i;
512 	struct acpi_walk_state *walk_state;
513 	union acpi_operand_object *obj_desc;
514 	u32 result_count = 0;
515 	struct acpi_namespace_node *node;
516 	union acpi_generic_state *frame;
517 	u32 index;		/* Index onto current frame */
518 
519 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
520 	if (!walk_state) {
521 		acpi_os_printf("There is no method currently executing\n");
522 		return;
523 	}
524 
525 	obj_desc = walk_state->method_desc;
526 	node = walk_state->method_node;
527 
528 	if (walk_state->results) {
529 		result_count = walk_state->result_count;
530 	}
531 
532 	acpi_os_printf("Method [%4.4s] has %X stacked result objects\n",
533 		       acpi_ut_get_node_name(node), result_count);
534 
535 	/* From the top element of result stack */
536 
537 	frame = walk_state->results;
538 	index = (result_count - 1) % ACPI_RESULTS_FRAME_OBJ_NUM;
539 
540 	for (i = 0; i < result_count; i++) {
541 		obj_desc = frame->results.obj_desc[index];
542 		acpi_os_printf("Result%u: ", i);
543 		acpi_db_display_internal_object(obj_desc, walk_state);
544 
545 		if (index == 0) {
546 			frame = frame->results.next;
547 			index = ACPI_RESULTS_FRAME_OBJ_NUM;
548 		}
549 
550 		index--;
551 	}
552 }
553 
554 /*******************************************************************************
555  *
556  * FUNCTION:    acpi_db_display_calling_tree
557  *
558  * PARAMETERS:  None
559  *
560  * RETURN:      None
561  *
562  * DESCRIPTION: Display current calling tree of nested control methods
563  *
564  ******************************************************************************/
565 
566 void acpi_db_display_calling_tree(void)
567 {
568 	struct acpi_walk_state *walk_state;
569 	struct acpi_namespace_node *node;
570 
571 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
572 	if (!walk_state) {
573 		acpi_os_printf("There is no method currently executing\n");
574 		return;
575 	}
576 
577 	node = walk_state->method_node;
578 	acpi_os_printf("Current Control Method Call Tree\n");
579 
580 	while (walk_state) {
581 		node = walk_state->method_node;
582 		acpi_os_printf("  [%4.4s]\n", acpi_ut_get_node_name(node));
583 
584 		walk_state = walk_state->next;
585 	}
586 }
587 
588 /*******************************************************************************
589  *
590  * FUNCTION:    acpi_db_display_object_type
591  *
592  * PARAMETERS:  object_arg      - User entered NS node handle
593  *
594  * RETURN:      None
595  *
596  * DESCRIPTION: Display type of an arbitrary NS node
597  *
598  ******************************************************************************/
599 
600 void acpi_db_display_object_type(char *object_arg)
601 {
602 	acpi_size arg;
603 	acpi_handle handle;
604 	struct acpi_device_info *info;
605 	acpi_status status;
606 	u32 i;
607 
608 	arg = strtoul(object_arg, NULL, 16);
609 	handle = ACPI_TO_POINTER(arg);
610 
611 	status = acpi_get_object_info(handle, &info);
612 	if (ACPI_FAILURE(status)) {
613 		acpi_os_printf("Could not get object info, %s\n",
614 			       acpi_format_exception(status));
615 		return;
616 	}
617 
618 	acpi_os_printf("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n",
619 		       ACPI_FORMAT_UINT64(info->address),
620 		       info->current_status, info->flags);
621 
622 	acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
623 		       info->highest_dstates[0], info->highest_dstates[1],
624 		       info->highest_dstates[2], info->highest_dstates[3]);
625 
626 	acpi_os_printf("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
627 		       info->lowest_dstates[0], info->lowest_dstates[1],
628 		       info->lowest_dstates[2], info->lowest_dstates[3],
629 		       info->lowest_dstates[4]);
630 
631 	if (info->valid & ACPI_VALID_HID) {
632 		acpi_os_printf("HID: %s\n", info->hardware_id.string);
633 	}
634 
635 	if (info->valid & ACPI_VALID_UID) {
636 		acpi_os_printf("UID: %s\n", info->unique_id.string);
637 	}
638 
639 	if (info->valid & ACPI_VALID_CID) {
640 		for (i = 0; i < info->compatible_id_list.count; i++) {
641 			acpi_os_printf("CID %u: %s\n", i,
642 				       info->compatible_id_list.ids[i].string);
643 		}
644 	}
645 
646 	ACPI_FREE(info);
647 }
648 
649 /*******************************************************************************
650  *
651  * FUNCTION:    acpi_db_display_result_object
652  *
653  * PARAMETERS:  obj_desc        - Object to be displayed
654  *              walk_state      - Current walk state
655  *
656  * RETURN:      None
657  *
658  * DESCRIPTION: Display the result of an AML opcode
659  *
660  * Note: Curently only displays the result object if we are single stepping.
661  * However, this output may be useful in other contexts and could be enabled
662  * to do so if needed.
663  *
664  ******************************************************************************/
665 
666 void
667 acpi_db_display_result_object(union acpi_operand_object *obj_desc,
668 			      struct acpi_walk_state *walk_state)
669 {
670 
671 #ifndef ACPI_APPLICATION
672 	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
673 		return;
674 	}
675 #endif
676 
677 	/* Only display if single stepping */
678 
679 	if (!acpi_gbl_cm_single_step) {
680 		return;
681 	}
682 
683 	acpi_os_printf("ResultObj: ");
684 	acpi_db_display_internal_object(obj_desc, walk_state);
685 	acpi_os_printf("\n");
686 }
687 
688 /*******************************************************************************
689  *
690  * FUNCTION:    acpi_db_display_argument_object
691  *
692  * PARAMETERS:  obj_desc        - Object to be displayed
693  *              walk_state      - Current walk state
694  *
695  * RETURN:      None
696  *
697  * DESCRIPTION: Display the result of an AML opcode
698  *
699  ******************************************************************************/
700 
701 void
702 acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
703 				struct acpi_walk_state *walk_state)
704 {
705 
706 #ifndef ACPI_APPLICATION
707 	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
708 		return;
709 	}
710 #endif
711 
712 	if (!acpi_gbl_cm_single_step) {
713 		return;
714 	}
715 
716 	acpi_os_printf("ArgObj:  ");
717 	acpi_db_display_internal_object(obj_desc, walk_state);
718 }
719 
720 #if (!ACPI_REDUCED_HARDWARE)
721 /*******************************************************************************
722  *
723  * FUNCTION:    acpi_db_display_gpes
724  *
725  * PARAMETERS:  None
726  *
727  * RETURN:      None
728  *
729  * DESCRIPTION: Display the current GPE structures
730  *
731  ******************************************************************************/
732 
733 void acpi_db_display_gpes(void)
734 {
735 	struct acpi_gpe_block_info *gpe_block;
736 	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
737 	struct acpi_gpe_event_info *gpe_event_info;
738 	struct acpi_gpe_register_info *gpe_register_info;
739 	char *gpe_type;
740 	struct acpi_gpe_notify_info *notify;
741 	u32 gpe_index;
742 	u32 block = 0;
743 	u32 i;
744 	u32 j;
745 	u32 count;
746 	char buffer[80];
747 	struct acpi_buffer ret_buf;
748 	acpi_status status;
749 
750 	ret_buf.length = sizeof(buffer);
751 	ret_buf.pointer = buffer;
752 
753 	block = 0;
754 
755 	/* Walk the GPE lists */
756 
757 	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
758 	while (gpe_xrupt_info) {
759 		gpe_block = gpe_xrupt_info->gpe_block_list_head;
760 		while (gpe_block) {
761 			status = acpi_get_name(gpe_block->node,
762 					       ACPI_FULL_PATHNAME_NO_TRAILING,
763 					       &ret_buf);
764 			if (ACPI_FAILURE(status)) {
765 				acpi_os_printf
766 				    ("Could not convert name to pathname\n");
767 			}
768 
769 			if (gpe_block->node == acpi_gbl_fadt_gpe_device) {
770 				gpe_type = "FADT-defined GPE block";
771 			} else {
772 				gpe_type = "GPE Block Device";
773 			}
774 
775 			acpi_os_printf
776 			    ("\nBlock %u - Info %p  DeviceNode %p [%s] - %s\n",
777 			     block, gpe_block, gpe_block->node, buffer,
778 			     gpe_type);
779 
780 			acpi_os_printf("    Registers:    %u (%u GPEs)\n",
781 				       gpe_block->register_count,
782 				       gpe_block->gpe_count);
783 
784 			acpi_os_printf
785 			    ("    GPE range:    0x%X to 0x%X on interrupt %u\n",
786 			     gpe_block->block_base_number,
787 			     gpe_block->block_base_number +
788 			     (gpe_block->gpe_count - 1),
789 			     gpe_xrupt_info->interrupt_number);
790 
791 			acpi_os_printf
792 			    ("    RegisterInfo: %p  Status %8.8X%8.8X Enable %8.8X%8.8X\n",
793 			     gpe_block->register_info,
794 			     ACPI_FORMAT_UINT64(gpe_block->register_info->
795 						status_address.address),
796 			     ACPI_FORMAT_UINT64(gpe_block->register_info->
797 						enable_address.address));
798 
799 			acpi_os_printf("  EventInfo:    %p\n",
800 				       gpe_block->event_info);
801 
802 			/* Examine each GPE Register within the block */
803 
804 			for (i = 0; i < gpe_block->register_count; i++) {
805 				gpe_register_info =
806 				    &gpe_block->register_info[i];
807 
808 				acpi_os_printf("    Reg %u: (GPE %.2X-%.2X)  "
809 					       "RunEnable %2.2X WakeEnable %2.2X"
810 					       " Status %8.8X%8.8X Enable %8.8X%8.8X\n",
811 					       i,
812 					       gpe_register_info->
813 					       base_gpe_number,
814 					       gpe_register_info->
815 					       base_gpe_number +
816 					       (ACPI_GPE_REGISTER_WIDTH - 1),
817 					       gpe_register_info->
818 					       enable_for_run,
819 					       gpe_register_info->
820 					       enable_for_wake,
821 					       ACPI_FORMAT_UINT64
822 					       (gpe_register_info->
823 						status_address.address),
824 					       ACPI_FORMAT_UINT64
825 					       (gpe_register_info->
826 						enable_address.address));
827 
828 				/* Now look at the individual GPEs in this byte register */
829 
830 				for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
831 					gpe_index =
832 					    (i * ACPI_GPE_REGISTER_WIDTH) + j;
833 					gpe_event_info =
834 					    &gpe_block->event_info[gpe_index];
835 
836 					if (ACPI_GPE_DISPATCH_TYPE
837 					    (gpe_event_info->flags) ==
838 					    ACPI_GPE_DISPATCH_NONE) {
839 
840 						/* This GPE is not used (no method or handler), ignore it */
841 
842 						continue;
843 					}
844 
845 					acpi_os_printf
846 					    ("        GPE %.2X: %p  RunRefs %2.2X Flags %2.2X (",
847 					     gpe_block->block_base_number +
848 					     gpe_index, gpe_event_info,
849 					     gpe_event_info->runtime_count,
850 					     gpe_event_info->flags);
851 
852 					/* Decode the flags byte */
853 
854 					if (gpe_event_info->
855 					    flags & ACPI_GPE_LEVEL_TRIGGERED) {
856 						acpi_os_printf("Level, ");
857 					} else {
858 						acpi_os_printf("Edge, ");
859 					}
860 
861 					if (gpe_event_info->
862 					    flags & ACPI_GPE_CAN_WAKE) {
863 						acpi_os_printf("CanWake, ");
864 					} else {
865 						acpi_os_printf("RunOnly, ");
866 					}
867 
868 					switch (ACPI_GPE_DISPATCH_TYPE
869 						(gpe_event_info->flags)) {
870 					case ACPI_GPE_DISPATCH_NONE:
871 
872 						acpi_os_printf("NotUsed");
873 						break;
874 
875 					case ACPI_GPE_DISPATCH_METHOD:
876 
877 						acpi_os_printf("Method");
878 						break;
879 
880 					case ACPI_GPE_DISPATCH_HANDLER:
881 
882 						acpi_os_printf("Handler");
883 						break;
884 
885 					case ACPI_GPE_DISPATCH_NOTIFY:
886 
887 						count = 0;
888 						notify =
889 						    gpe_event_info->dispatch.
890 						    notify_list;
891 						while (notify) {
892 							count++;
893 							notify = notify->next;
894 						}
895 
896 						acpi_os_printf
897 						    ("Implicit Notify on %u devices",
898 						     count);
899 						break;
900 
901 					case ACPI_GPE_DISPATCH_RAW_HANDLER:
902 
903 						acpi_os_printf("RawHandler");
904 						break;
905 
906 					default:
907 
908 						acpi_os_printf("UNKNOWN: %X",
909 							       ACPI_GPE_DISPATCH_TYPE
910 							       (gpe_event_info->
911 								flags));
912 						break;
913 					}
914 
915 					acpi_os_printf(")\n");
916 				}
917 			}
918 
919 			block++;
920 			gpe_block = gpe_block->next;
921 		}
922 
923 		gpe_xrupt_info = gpe_xrupt_info->next;
924 	}
925 }
926 #endif				/* !ACPI_REDUCED_HARDWARE */
927 
928 /*******************************************************************************
929  *
930  * FUNCTION:    acpi_db_display_handlers
931  *
932  * PARAMETERS:  None
933  *
934  * RETURN:      None
935  *
936  * DESCRIPTION: Display the currently installed global handlers
937  *
938  ******************************************************************************/
939 
940 void acpi_db_display_handlers(void)
941 {
942 	union acpi_operand_object *obj_desc;
943 	union acpi_operand_object *handler_obj;
944 	acpi_adr_space_type space_id;
945 	u32 i;
946 
947 	/* Operation region handlers */
948 
949 	acpi_os_printf("\nOperation Region Handlers at the namespace root:\n");
950 
951 	obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
952 	if (obj_desc) {
953 		for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
954 			space_id = acpi_gbl_space_id_list[i];
955 
956 			acpi_os_printf(ACPI_PREDEFINED_PREFIX,
957 				       acpi_ut_get_region_name((u8)space_id),
958 				       space_id);
959 
960 			handler_obj =
961 			    acpi_ev_find_region_handler(space_id,
962 							obj_desc->common_notify.
963 							handler);
964 			if (handler_obj) {
965 				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
966 					       (handler_obj->address_space.
967 						handler_flags &
968 						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
969 					       ? "Default" : "User",
970 					       handler_obj->address_space.
971 					       handler);
972 
973 				goto found_handler;
974 			}
975 
976 			/* There is no handler for this space_id */
977 
978 			acpi_os_printf("None\n");
979 
980 found_handler:		;
981 		}
982 
983 		/* Find all handlers for user-defined space_IDs */
984 
985 		handler_obj = obj_desc->common_notify.handler;
986 		while (handler_obj) {
987 			if (handler_obj->address_space.space_id >=
988 			    ACPI_USER_REGION_BEGIN) {
989 				acpi_os_printf(ACPI_PREDEFINED_PREFIX,
990 					       "User-defined ID",
991 					       handler_obj->address_space.
992 					       space_id);
993 				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
994 					       (handler_obj->address_space.
995 						handler_flags &
996 						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
997 					       ? "Default" : "User",
998 					       handler_obj->address_space.
999 					       handler);
1000 			}
1001 
1002 			handler_obj = handler_obj->address_space.next;
1003 		}
1004 	}
1005 #if (!ACPI_REDUCED_HARDWARE)
1006 
1007 	/* Fixed event handlers */
1008 
1009 	acpi_os_printf("\nFixed Event Handlers:\n");
1010 
1011 	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
1012 		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1013 			       acpi_ut_get_event_name(i), i);
1014 		if (acpi_gbl_fixed_event_handlers[i].handler) {
1015 			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1016 				       acpi_gbl_fixed_event_handlers[i].
1017 				       handler);
1018 		} else {
1019 			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1020 		}
1021 	}
1022 
1023 #endif				/* !ACPI_REDUCED_HARDWARE */
1024 
1025 	/* Miscellaneous global handlers */
1026 
1027 	acpi_os_printf("\nMiscellaneous Global Handlers:\n");
1028 
1029 	for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
1030 		acpi_os_printf(ACPI_HANDLER_NAME_STRING,
1031 			       acpi_gbl_handler_list[i].name);
1032 
1033 		if (acpi_gbl_handler_list[i].handler) {
1034 			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1035 				       acpi_gbl_handler_list[i].handler);
1036 		} else {
1037 			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1038 		}
1039 	}
1040 
1041 	/* Other handlers that are installed throughout the namespace */
1042 
1043 	acpi_os_printf("\nOperation Region Handlers for specific devices:\n");
1044 
1045 	(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1046 				  ACPI_UINT32_MAX,
1047 				  acpi_db_display_non_root_handlers, NULL, NULL,
1048 				  NULL);
1049 }
1050 
1051 /*******************************************************************************
1052  *
1053  * FUNCTION:    acpi_db_display_non_root_handlers
1054  *
1055  * PARAMETERS:  acpi_walk_callback
1056  *
1057  * RETURN:      Status
1058  *
1059  * DESCRIPTION: Display information about all handlers installed for a
1060  *              device object.
1061  *
1062  ******************************************************************************/
1063 
1064 static acpi_status
1065 acpi_db_display_non_root_handlers(acpi_handle obj_handle,
1066 				  u32 nesting_level,
1067 				  void *context, void **return_value)
1068 {
1069 	struct acpi_namespace_node *node =
1070 	    ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
1071 	union acpi_operand_object *obj_desc;
1072 	union acpi_operand_object *handler_obj;
1073 	char *pathname;
1074 
1075 	obj_desc = acpi_ns_get_attached_object(node);
1076 	if (!obj_desc) {
1077 		return (AE_OK);
1078 	}
1079 
1080 	pathname = acpi_ns_get_normalized_pathname(node, TRUE);
1081 	if (!pathname) {
1082 		return (AE_OK);
1083 	}
1084 
1085 	/* Display all handlers associated with this device */
1086 
1087 	handler_obj = obj_desc->common_notify.handler;
1088 	while (handler_obj) {
1089 		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1090 			       acpi_ut_get_region_name((u8)handler_obj->
1091 						       address_space.space_id),
1092 			       handler_obj->address_space.space_id);
1093 
1094 		acpi_os_printf(ACPI_HANDLER_PRESENT_STRING2,
1095 			       (handler_obj->address_space.handler_flags &
1096 				ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default"
1097 			       : "User", handler_obj->address_space.handler);
1098 
1099 		acpi_os_printf(" Device Name: %s (%p)\n", pathname, node);
1100 
1101 		handler_obj = handler_obj->address_space.next;
1102 	}
1103 
1104 	ACPI_FREE(pathname);
1105 	return (AE_OK);
1106 }
1107