xref: /openbmc/linux/drivers/acpi/acpica/dbdisply.c (revision b2441318)
1 /*******************************************************************************
2  *
3  * Module Name: dbdisply - debug display commands
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2017, 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: Namespace Node - 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:", 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 		if (ACPI_GET_DESCRIPTOR_TYPE(((struct acpi_namespace_node *)
339 					      obj_desc)) ==
340 		    ACPI_DESC_TYPE_NAMED) {
341 			acpi_os_printf(" Namespace Node - ");
342 			status =
343 			    acpi_get_name((struct acpi_namespace_node *)
344 					  obj_desc,
345 					  ACPI_FULL_PATHNAME_NO_TRAILING,
346 					  &ret_buf);
347 			if (ACPI_FAILURE(status)) {
348 				acpi_os_printf
349 				    ("Could not convert name to pathname\n");
350 			} else {
351 				acpi_os_printf("Pathname: %s",
352 					       (char *)ret_buf.pointer);
353 			}
354 
355 			acpi_os_printf("\n");
356 			acpi_ut_debug_dump_buffer((void *)obj_desc,
357 						  sizeof(struct
358 							 acpi_namespace_node),
359 						  display, ACPI_UINT32_MAX);
360 		} else {
361 			acpi_os_printf("\n");
362 			acpi_ut_debug_dump_buffer((void *)obj_desc,
363 						  sizeof(union
364 							 acpi_operand_object),
365 						  display, ACPI_UINT32_MAX);
366 		}
367 
368 		acpi_ex_dump_object_descriptor(obj_desc, 1);
369 	}
370 }
371 
372 /*******************************************************************************
373  *
374  * FUNCTION:    acpi_db_display_method_info
375  *
376  * PARAMETERS:  start_op        - Root of the control method parse tree
377  *
378  * RETURN:      None
379  *
380  * DESCRIPTION: Display information about the current method
381  *
382  ******************************************************************************/
383 
384 void acpi_db_display_method_info(union acpi_parse_object *start_op)
385 {
386 	struct acpi_walk_state *walk_state;
387 	union acpi_operand_object *obj_desc;
388 	struct acpi_namespace_node *node;
389 	union acpi_parse_object *root_op;
390 	union acpi_parse_object *op;
391 	const struct acpi_opcode_info *op_info;
392 	u32 num_ops = 0;
393 	u32 num_operands = 0;
394 	u32 num_operators = 0;
395 	u32 num_remaining_ops = 0;
396 	u32 num_remaining_operands = 0;
397 	u32 num_remaining_operators = 0;
398 	u8 count_remaining = FALSE;
399 
400 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
401 	if (!walk_state) {
402 		acpi_os_printf("There is no method currently executing\n");
403 		return;
404 	}
405 
406 	obj_desc = walk_state->method_desc;
407 	node = walk_state->method_node;
408 
409 	acpi_os_printf("Currently executing control method is [%4.4s]\n",
410 		       acpi_ut_get_node_name(node));
411 	acpi_os_printf("%X Arguments, SyncLevel = %X\n",
412 		       (u32)obj_desc->method.param_count,
413 		       (u32)obj_desc->method.sync_level);
414 
415 	root_op = start_op;
416 	while (root_op->common.parent) {
417 		root_op = root_op->common.parent;
418 	}
419 
420 	op = root_op;
421 
422 	while (op) {
423 		if (op == start_op) {
424 			count_remaining = TRUE;
425 		}
426 
427 		num_ops++;
428 		if (count_remaining) {
429 			num_remaining_ops++;
430 		}
431 
432 		/* Decode the opcode */
433 
434 		op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
435 		switch (op_info->class) {
436 		case AML_CLASS_ARGUMENT:
437 
438 			if (count_remaining) {
439 				num_remaining_operands++;
440 			}
441 
442 			num_operands++;
443 			break;
444 
445 		case AML_CLASS_UNKNOWN:
446 
447 			/* Bad opcode or ASCII character */
448 
449 			continue;
450 
451 		default:
452 
453 			if (count_remaining) {
454 				num_remaining_operators++;
455 			}
456 
457 			num_operators++;
458 			break;
459 		}
460 
461 		op = acpi_ps_get_depth_next(start_op, op);
462 	}
463 
464 	acpi_os_printf
465 	    ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
466 	     num_ops, num_operators, num_operands);
467 
468 	acpi_os_printf
469 	    ("Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
470 	     num_remaining_ops, num_remaining_operators,
471 	     num_remaining_operands);
472 }
473 
474 /*******************************************************************************
475  *
476  * FUNCTION:    acpi_db_display_locals
477  *
478  * PARAMETERS:  None
479  *
480  * RETURN:      None
481  *
482  * DESCRIPTION: Display all locals for the currently running control method
483  *
484  ******************************************************************************/
485 
486 void acpi_db_display_locals(void)
487 {
488 	struct acpi_walk_state *walk_state;
489 
490 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
491 	if (!walk_state) {
492 		acpi_os_printf("There is no method currently executing\n");
493 		return;
494 	}
495 
496 	acpi_db_decode_locals(walk_state);
497 }
498 
499 /*******************************************************************************
500  *
501  * FUNCTION:    acpi_db_display_arguments
502  *
503  * PARAMETERS:  None
504  *
505  * RETURN:      None
506  *
507  * DESCRIPTION: Display all arguments for the currently running control method
508  *
509  ******************************************************************************/
510 
511 void acpi_db_display_arguments(void)
512 {
513 	struct acpi_walk_state *walk_state;
514 
515 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
516 	if (!walk_state) {
517 		acpi_os_printf("There is no method currently executing\n");
518 		return;
519 	}
520 
521 	acpi_db_decode_arguments(walk_state);
522 }
523 
524 /*******************************************************************************
525  *
526  * FUNCTION:    acpi_db_display_results
527  *
528  * PARAMETERS:  None
529  *
530  * RETURN:      None
531  *
532  * DESCRIPTION: Display current contents of a method result stack
533  *
534  ******************************************************************************/
535 
536 void acpi_db_display_results(void)
537 {
538 	u32 i;
539 	struct acpi_walk_state *walk_state;
540 	union acpi_operand_object *obj_desc;
541 	u32 result_count = 0;
542 	struct acpi_namespace_node *node;
543 	union acpi_generic_state *frame;
544 	u32 index;		/* Index onto current frame */
545 
546 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
547 	if (!walk_state) {
548 		acpi_os_printf("There is no method currently executing\n");
549 		return;
550 	}
551 
552 	obj_desc = walk_state->method_desc;
553 	node = walk_state->method_node;
554 
555 	if (walk_state->results) {
556 		result_count = walk_state->result_count;
557 	}
558 
559 	acpi_os_printf("Method [%4.4s] has %X stacked result objects\n",
560 		       acpi_ut_get_node_name(node), result_count);
561 
562 	/* From the top element of result stack */
563 
564 	frame = walk_state->results;
565 	index = (result_count - 1) % ACPI_RESULTS_FRAME_OBJ_NUM;
566 
567 	for (i = 0; i < result_count; i++) {
568 		obj_desc = frame->results.obj_desc[index];
569 		acpi_os_printf("Result%u: ", i);
570 		acpi_db_display_internal_object(obj_desc, walk_state);
571 
572 		if (index == 0) {
573 			frame = frame->results.next;
574 			index = ACPI_RESULTS_FRAME_OBJ_NUM;
575 		}
576 
577 		index--;
578 	}
579 }
580 
581 /*******************************************************************************
582  *
583  * FUNCTION:    acpi_db_display_calling_tree
584  *
585  * PARAMETERS:  None
586  *
587  * RETURN:      None
588  *
589  * DESCRIPTION: Display current calling tree of nested control methods
590  *
591  ******************************************************************************/
592 
593 void acpi_db_display_calling_tree(void)
594 {
595 	struct acpi_walk_state *walk_state;
596 	struct acpi_namespace_node *node;
597 
598 	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
599 	if (!walk_state) {
600 		acpi_os_printf("There is no method currently executing\n");
601 		return;
602 	}
603 
604 	node = walk_state->method_node;
605 	acpi_os_printf("Current Control Method Call Tree\n");
606 
607 	while (walk_state) {
608 		node = walk_state->method_node;
609 		acpi_os_printf("  [%4.4s]\n", acpi_ut_get_node_name(node));
610 
611 		walk_state = walk_state->next;
612 	}
613 }
614 
615 /*******************************************************************************
616  *
617  * FUNCTION:    acpi_db_display_object_type
618  *
619  * PARAMETERS:  object_arg      - User entered NS node handle
620  *
621  * RETURN:      None
622  *
623  * DESCRIPTION: Display type of an arbitrary NS node
624  *
625  ******************************************************************************/
626 
627 void acpi_db_display_object_type(char *object_arg)
628 {
629 	acpi_size arg;
630 	acpi_handle handle;
631 	struct acpi_device_info *info;
632 	acpi_status status;
633 	u32 i;
634 
635 	arg = strtoul(object_arg, NULL, 16);
636 	handle = ACPI_TO_POINTER(arg);
637 
638 	status = acpi_get_object_info(handle, &info);
639 	if (ACPI_FAILURE(status)) {
640 		acpi_os_printf("Could not get object info, %s\n",
641 			       acpi_format_exception(status));
642 		return;
643 	}
644 
645 	acpi_os_printf("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n",
646 		       ACPI_FORMAT_UINT64(info->address),
647 		       info->current_status, info->flags);
648 
649 	acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
650 		       info->highest_dstates[0], info->highest_dstates[1],
651 		       info->highest_dstates[2], info->highest_dstates[3]);
652 
653 	acpi_os_printf("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
654 		       info->lowest_dstates[0], info->lowest_dstates[1],
655 		       info->lowest_dstates[2], info->lowest_dstates[3],
656 		       info->lowest_dstates[4]);
657 
658 	if (info->valid & ACPI_VALID_HID) {
659 		acpi_os_printf("HID: %s\n", info->hardware_id.string);
660 	}
661 
662 	if (info->valid & ACPI_VALID_UID) {
663 		acpi_os_printf("UID: %s\n", info->unique_id.string);
664 	}
665 
666 	if (info->valid & ACPI_VALID_CID) {
667 		for (i = 0; i < info->compatible_id_list.count; i++) {
668 			acpi_os_printf("CID %u: %s\n", i,
669 				       info->compatible_id_list.ids[i].string);
670 		}
671 	}
672 
673 	ACPI_FREE(info);
674 }
675 
676 /*******************************************************************************
677  *
678  * FUNCTION:    acpi_db_display_result_object
679  *
680  * PARAMETERS:  obj_desc        - Object to be displayed
681  *              walk_state      - Current walk state
682  *
683  * RETURN:      None
684  *
685  * DESCRIPTION: Display the result of an AML opcode
686  *
687  * Note: Curently only displays the result object if we are single stepping.
688  * However, this output may be useful in other contexts and could be enabled
689  * to do so if needed.
690  *
691  ******************************************************************************/
692 
693 void
694 acpi_db_display_result_object(union acpi_operand_object *obj_desc,
695 			      struct acpi_walk_state *walk_state)
696 {
697 
698 #ifndef ACPI_APPLICATION
699 	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
700 		return;
701 	}
702 #endif
703 
704 	/* Only display if single stepping */
705 
706 	if (!acpi_gbl_cm_single_step) {
707 		return;
708 	}
709 
710 	acpi_os_printf("ResultObj: ");
711 	acpi_db_display_internal_object(obj_desc, walk_state);
712 	acpi_os_printf("\n");
713 }
714 
715 /*******************************************************************************
716  *
717  * FUNCTION:    acpi_db_display_argument_object
718  *
719  * PARAMETERS:  obj_desc        - Object to be displayed
720  *              walk_state      - Current walk state
721  *
722  * RETURN:      None
723  *
724  * DESCRIPTION: Display the result of an AML opcode
725  *
726  ******************************************************************************/
727 
728 void
729 acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
730 				struct acpi_walk_state *walk_state)
731 {
732 
733 #ifndef ACPI_APPLICATION
734 	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
735 		return;
736 	}
737 #endif
738 
739 	if (!acpi_gbl_cm_single_step) {
740 		return;
741 	}
742 
743 	acpi_os_printf("ArgObj:  ");
744 	acpi_db_display_internal_object(obj_desc, walk_state);
745 }
746 
747 #if (!ACPI_REDUCED_HARDWARE)
748 /*******************************************************************************
749  *
750  * FUNCTION:    acpi_db_display_gpes
751  *
752  * PARAMETERS:  None
753  *
754  * RETURN:      None
755  *
756  * DESCRIPTION: Display the current GPE structures
757  *
758  ******************************************************************************/
759 
760 void acpi_db_display_gpes(void)
761 {
762 	struct acpi_gpe_block_info *gpe_block;
763 	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
764 	struct acpi_gpe_event_info *gpe_event_info;
765 	struct acpi_gpe_register_info *gpe_register_info;
766 	char *gpe_type;
767 	struct acpi_gpe_notify_info *notify;
768 	u32 gpe_index;
769 	u32 block = 0;
770 	u32 i;
771 	u32 j;
772 	u32 count;
773 	char buffer[80];
774 	struct acpi_buffer ret_buf;
775 	acpi_status status;
776 
777 	ret_buf.length = sizeof(buffer);
778 	ret_buf.pointer = buffer;
779 
780 	block = 0;
781 
782 	/* Walk the GPE lists */
783 
784 	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
785 	while (gpe_xrupt_info) {
786 		gpe_block = gpe_xrupt_info->gpe_block_list_head;
787 		while (gpe_block) {
788 			status = acpi_get_name(gpe_block->node,
789 					       ACPI_FULL_PATHNAME_NO_TRAILING,
790 					       &ret_buf);
791 			if (ACPI_FAILURE(status)) {
792 				acpi_os_printf
793 				    ("Could not convert name to pathname\n");
794 			}
795 
796 			if (gpe_block->node == acpi_gbl_fadt_gpe_device) {
797 				gpe_type = "FADT-defined GPE block";
798 			} else {
799 				gpe_type = "GPE Block Device";
800 			}
801 
802 			acpi_os_printf
803 			    ("\nBlock %u - Info %p  DeviceNode %p [%s] - %s\n",
804 			     block, gpe_block, gpe_block->node, buffer,
805 			     gpe_type);
806 
807 			acpi_os_printf("    Registers:    %u (%u GPEs)\n",
808 				       gpe_block->register_count,
809 				       gpe_block->gpe_count);
810 
811 			acpi_os_printf
812 			    ("    GPE range:    0x%X to 0x%X on interrupt %u\n",
813 			     gpe_block->block_base_number,
814 			     gpe_block->block_base_number +
815 			     (gpe_block->gpe_count - 1),
816 			     gpe_xrupt_info->interrupt_number);
817 
818 			acpi_os_printf
819 			    ("    RegisterInfo: %p  Status %8.8X%8.8X Enable %8.8X%8.8X\n",
820 			     gpe_block->register_info,
821 			     ACPI_FORMAT_UINT64(gpe_block->register_info->
822 						status_address.address),
823 			     ACPI_FORMAT_UINT64(gpe_block->register_info->
824 						enable_address.address));
825 
826 			acpi_os_printf("  EventInfo:    %p\n",
827 				       gpe_block->event_info);
828 
829 			/* Examine each GPE Register within the block */
830 
831 			for (i = 0; i < gpe_block->register_count; i++) {
832 				gpe_register_info =
833 				    &gpe_block->register_info[i];
834 
835 				acpi_os_printf("    Reg %u: (GPE %.2X-%.2X)  "
836 					       "RunEnable %2.2X WakeEnable %2.2X"
837 					       " Status %8.8X%8.8X Enable %8.8X%8.8X\n",
838 					       i,
839 					       gpe_register_info->
840 					       base_gpe_number,
841 					       gpe_register_info->
842 					       base_gpe_number +
843 					       (ACPI_GPE_REGISTER_WIDTH - 1),
844 					       gpe_register_info->
845 					       enable_for_run,
846 					       gpe_register_info->
847 					       enable_for_wake,
848 					       ACPI_FORMAT_UINT64
849 					       (gpe_register_info->
850 						status_address.address),
851 					       ACPI_FORMAT_UINT64
852 					       (gpe_register_info->
853 						enable_address.address));
854 
855 				/* Now look at the individual GPEs in this byte register */
856 
857 				for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
858 					gpe_index =
859 					    (i * ACPI_GPE_REGISTER_WIDTH) + j;
860 					gpe_event_info =
861 					    &gpe_block->event_info[gpe_index];
862 
863 					if (ACPI_GPE_DISPATCH_TYPE
864 					    (gpe_event_info->flags) ==
865 					    ACPI_GPE_DISPATCH_NONE) {
866 
867 						/* This GPE is not used (no method or handler), ignore it */
868 
869 						continue;
870 					}
871 
872 					acpi_os_printf
873 					    ("        GPE %.2X: %p  RunRefs %2.2X Flags %2.2X (",
874 					     gpe_block->block_base_number +
875 					     gpe_index, gpe_event_info,
876 					     gpe_event_info->runtime_count,
877 					     gpe_event_info->flags);
878 
879 					/* Decode the flags byte */
880 
881 					if (gpe_event_info->
882 					    flags & ACPI_GPE_LEVEL_TRIGGERED) {
883 						acpi_os_printf("Level, ");
884 					} else {
885 						acpi_os_printf("Edge, ");
886 					}
887 
888 					if (gpe_event_info->
889 					    flags & ACPI_GPE_CAN_WAKE) {
890 						acpi_os_printf("CanWake, ");
891 					} else {
892 						acpi_os_printf("RunOnly, ");
893 					}
894 
895 					switch (ACPI_GPE_DISPATCH_TYPE
896 						(gpe_event_info->flags)) {
897 					case ACPI_GPE_DISPATCH_NONE:
898 
899 						acpi_os_printf("NotUsed");
900 						break;
901 
902 					case ACPI_GPE_DISPATCH_METHOD:
903 
904 						acpi_os_printf("Method");
905 						break;
906 
907 					case ACPI_GPE_DISPATCH_HANDLER:
908 
909 						acpi_os_printf("Handler");
910 						break;
911 
912 					case ACPI_GPE_DISPATCH_NOTIFY:
913 
914 						count = 0;
915 						notify =
916 						    gpe_event_info->dispatch.
917 						    notify_list;
918 						while (notify) {
919 							count++;
920 							notify = notify->next;
921 						}
922 
923 						acpi_os_printf
924 						    ("Implicit Notify on %u devices",
925 						     count);
926 						break;
927 
928 					case ACPI_GPE_DISPATCH_RAW_HANDLER:
929 
930 						acpi_os_printf("RawHandler");
931 						break;
932 
933 					default:
934 
935 						acpi_os_printf("UNKNOWN: %X",
936 							       ACPI_GPE_DISPATCH_TYPE
937 							       (gpe_event_info->
938 								flags));
939 						break;
940 					}
941 
942 					acpi_os_printf(")\n");
943 				}
944 			}
945 
946 			block++;
947 			gpe_block = gpe_block->next;
948 		}
949 
950 		gpe_xrupt_info = gpe_xrupt_info->next;
951 	}
952 }
953 #endif				/* !ACPI_REDUCED_HARDWARE */
954 
955 /*******************************************************************************
956  *
957  * FUNCTION:    acpi_db_display_handlers
958  *
959  * PARAMETERS:  None
960  *
961  * RETURN:      None
962  *
963  * DESCRIPTION: Display the currently installed global handlers
964  *
965  ******************************************************************************/
966 
967 void acpi_db_display_handlers(void)
968 {
969 	union acpi_operand_object *obj_desc;
970 	union acpi_operand_object *handler_obj;
971 	acpi_adr_space_type space_id;
972 	u32 i;
973 
974 	/* Operation region handlers */
975 
976 	acpi_os_printf("\nOperation Region Handlers at the namespace root:\n");
977 
978 	obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
979 	if (obj_desc) {
980 		for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
981 			space_id = acpi_gbl_space_id_list[i];
982 
983 			acpi_os_printf(ACPI_PREDEFINED_PREFIX,
984 				       acpi_ut_get_region_name((u8)space_id),
985 				       space_id);
986 
987 			handler_obj =
988 			    acpi_ev_find_region_handler(space_id,
989 							obj_desc->common_notify.
990 							handler);
991 			if (handler_obj) {
992 				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
993 					       (handler_obj->address_space.
994 						handler_flags &
995 						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
996 					       ? "Default" : "User",
997 					       handler_obj->address_space.
998 					       handler);
999 
1000 				goto found_handler;
1001 			}
1002 
1003 			/* There is no handler for this space_id */
1004 
1005 			acpi_os_printf("None\n");
1006 
1007 found_handler:		;
1008 		}
1009 
1010 		/* Find all handlers for user-defined space_IDs */
1011 
1012 		handler_obj = obj_desc->common_notify.handler;
1013 		while (handler_obj) {
1014 			if (handler_obj->address_space.space_id >=
1015 			    ACPI_USER_REGION_BEGIN) {
1016 				acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1017 					       "User-defined ID",
1018 					       handler_obj->address_space.
1019 					       space_id);
1020 				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
1021 					       (handler_obj->address_space.
1022 						handler_flags &
1023 						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
1024 					       ? "Default" : "User",
1025 					       handler_obj->address_space.
1026 					       handler);
1027 			}
1028 
1029 			handler_obj = handler_obj->address_space.next;
1030 		}
1031 	}
1032 #if (!ACPI_REDUCED_HARDWARE)
1033 
1034 	/* Fixed event handlers */
1035 
1036 	acpi_os_printf("\nFixed Event Handlers:\n");
1037 
1038 	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
1039 		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1040 			       acpi_ut_get_event_name(i), i);
1041 		if (acpi_gbl_fixed_event_handlers[i].handler) {
1042 			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1043 				       acpi_gbl_fixed_event_handlers[i].
1044 				       handler);
1045 		} else {
1046 			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1047 		}
1048 	}
1049 
1050 #endif				/* !ACPI_REDUCED_HARDWARE */
1051 
1052 	/* Miscellaneous global handlers */
1053 
1054 	acpi_os_printf("\nMiscellaneous Global Handlers:\n");
1055 
1056 	for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
1057 		acpi_os_printf(ACPI_HANDLER_NAME_STRING,
1058 			       acpi_gbl_handler_list[i].name);
1059 
1060 		if (acpi_gbl_handler_list[i].handler) {
1061 			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1062 				       acpi_gbl_handler_list[i].handler);
1063 		} else {
1064 			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1065 		}
1066 	}
1067 
1068 	/* Other handlers that are installed throughout the namespace */
1069 
1070 	acpi_os_printf("\nOperation Region Handlers for specific devices:\n");
1071 
1072 	(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1073 				  ACPI_UINT32_MAX,
1074 				  acpi_db_display_non_root_handlers, NULL, NULL,
1075 				  NULL);
1076 }
1077 
1078 /*******************************************************************************
1079  *
1080  * FUNCTION:    acpi_db_display_non_root_handlers
1081  *
1082  * PARAMETERS:  acpi_walk_callback
1083  *
1084  * RETURN:      Status
1085  *
1086  * DESCRIPTION: Display information about all handlers installed for a
1087  *              device object.
1088  *
1089  ******************************************************************************/
1090 
1091 static acpi_status
1092 acpi_db_display_non_root_handlers(acpi_handle obj_handle,
1093 				  u32 nesting_level,
1094 				  void *context, void **return_value)
1095 {
1096 	struct acpi_namespace_node *node =
1097 	    ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
1098 	union acpi_operand_object *obj_desc;
1099 	union acpi_operand_object *handler_obj;
1100 	char *pathname;
1101 
1102 	obj_desc = acpi_ns_get_attached_object(node);
1103 	if (!obj_desc) {
1104 		return (AE_OK);
1105 	}
1106 
1107 	pathname = acpi_ns_get_normalized_pathname(node, TRUE);
1108 	if (!pathname) {
1109 		return (AE_OK);
1110 	}
1111 
1112 	/* Display all handlers associated with this device */
1113 
1114 	handler_obj = obj_desc->common_notify.handler;
1115 	while (handler_obj) {
1116 		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1117 			       acpi_ut_get_region_name((u8)handler_obj->
1118 						       address_space.space_id),
1119 			       handler_obj->address_space.space_id);
1120 
1121 		acpi_os_printf(ACPI_HANDLER_PRESENT_STRING2,
1122 			       (handler_obj->address_space.handler_flags &
1123 				ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default"
1124 			       : "User", handler_obj->address_space.handler);
1125 
1126 		acpi_os_printf(" Device Name: %s (%p)\n", pathname, node);
1127 
1128 		handler_obj = handler_obj->address_space.next;
1129 	}
1130 
1131 	ACPI_FREE(pathname);
1132 	return (AE_OK);
1133 }
1134