1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/*******************************************************************************
3 *
4 * Module Name: dbdisply - debug display commands
5 *
6 ******************************************************************************/
7
8#include <acpi/acpi.h>
9#include "accommon.h"
10#include "amlcode.h"
11#include "acdispat.h"
12#include "acnamesp.h"
13#include "acparser.h"
14#include "acinterp.h"
15#include "acevents.h"
16#include "acdebug.h"
17
18#define _COMPONENT          ACPI_CA_DEBUGGER
19ACPI_MODULE_NAME("dbdisply")
20
21/* Local prototypes */
22static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op);
23
24static void *acpi_db_get_pointer(void *target);
25
26static acpi_status
27acpi_db_display_non_root_handlers(acpi_handle obj_handle,
28				  u32 nesting_level,
29				  void *context, void **return_value);
30
31/*
32 * System handler information.
33 * Used for Handlers command, in acpi_db_display_handlers.
34 */
35#define ACPI_PREDEFINED_PREFIX          "%25s (%.2X) : "
36#define ACPI_HANDLER_NAME_STRING               "%30s : "
37#define ACPI_HANDLER_PRESENT_STRING                    "%-9s (%p)\n"
38#define ACPI_HANDLER_PRESENT_STRING2                   "%-9s (%p)"
39#define ACPI_HANDLER_NOT_PRESENT_STRING                "%-9s\n"
40
41/* All predefined Address Space IDs */
42
43static acpi_adr_space_type acpi_gbl_space_id_list[] = {
44	ACPI_ADR_SPACE_SYSTEM_MEMORY,
45	ACPI_ADR_SPACE_SYSTEM_IO,
46	ACPI_ADR_SPACE_PCI_CONFIG,
47	ACPI_ADR_SPACE_EC,
48	ACPI_ADR_SPACE_SMBUS,
49	ACPI_ADR_SPACE_CMOS,
50	ACPI_ADR_SPACE_PCI_BAR_TARGET,
51	ACPI_ADR_SPACE_IPMI,
52	ACPI_ADR_SPACE_GPIO,
53	ACPI_ADR_SPACE_GSBUS,
54	ACPI_ADR_SPACE_PLATFORM_COMM,
55	ACPI_ADR_SPACE_PLATFORM_RT,
56	ACPI_ADR_SPACE_DATA_TABLE,
57	ACPI_ADR_SPACE_FIXED_HARDWARE
58};
59
60/* Global handler information */
61
62typedef struct acpi_handler_info {
63	void *handler;
64	char *name;
65
66} acpi_handler_info;
67
68static struct acpi_handler_info acpi_gbl_handler_list[] = {
69	{&acpi_gbl_global_notify[0].handler, "System Notifications"},
70	{&acpi_gbl_global_notify[1].handler, "Device Notifications"},
71	{&acpi_gbl_table_handler, "ACPI Table Events"},
72	{&acpi_gbl_exception_handler, "Control Method Exceptions"},
73	{&acpi_gbl_interface_handler, "OSI Invocations"}
74};
75
76/*******************************************************************************
77 *
78 * FUNCTION:    acpi_db_get_pointer
79 *
80 * PARAMETERS:  target          - Pointer to string to be converted
81 *
82 * RETURN:      Converted pointer
83 *
84 * DESCRIPTION: Convert an ascii pointer value to a real value
85 *
86 ******************************************************************************/
87
88static void *acpi_db_get_pointer(void *target)
89{
90	void *obj_ptr;
91	acpi_size address;
92
93	address = strtoul(target, NULL, 16);
94	obj_ptr = ACPI_TO_POINTER(address);
95	return (obj_ptr);
96}
97
98/*******************************************************************************
99 *
100 * FUNCTION:    acpi_db_dump_parser_descriptor
101 *
102 * PARAMETERS:  op              - A parser Op descriptor
103 *
104 * RETURN:      None
105 *
106 * DESCRIPTION: Display a formatted parser object
107 *
108 ******************************************************************************/
109
110static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op)
111{
112	const struct acpi_opcode_info *info;
113
114	info = acpi_ps_get_opcode_info(op->common.aml_opcode);
115
116	acpi_os_printf("Parser Op Descriptor:\n");
117	acpi_os_printf("%20.20s : %4.4X\n", "Opcode", op->common.aml_opcode);
118
119	ACPI_DEBUG_ONLY_MEMBERS(acpi_os_printf("%20.20s : %s\n", "Opcode Name",
120					       info->name));
121
122	acpi_os_printf("%20.20s : %p\n", "Value/ArgList", op->common.value.arg);
123	acpi_os_printf("%20.20s : %p\n", "Parent", op->common.parent);
124	acpi_os_printf("%20.20s : %p\n", "NextOp", op->common.next);
125}
126
127/*******************************************************************************
128 *
129 * FUNCTION:    acpi_db_decode_and_display_object
130 *
131 * PARAMETERS:  target          - String with object to be displayed. Names
132 *                                and hex pointers are supported.
133 *              output_type     - Byte, Word, Dword, or Qword (B|W|D|Q)
134 *
135 * RETURN:      None
136 *
137 * DESCRIPTION: Display a formatted ACPI object
138 *
139 ******************************************************************************/
140
141void acpi_db_decode_and_display_object(char *target, char *output_type)
142{
143	void *obj_ptr;
144	struct acpi_namespace_node *node;
145	union acpi_operand_object *obj_desc;
146	u32 display = DB_BYTE_DISPLAY;
147	char buffer[80];
148	struct acpi_buffer ret_buf;
149	acpi_status status;
150	u32 size;
151
152	if (!target) {
153		return;
154	}
155
156	/* Decode the output type */
157
158	if (output_type) {
159		acpi_ut_strupr(output_type);
160		if (output_type[0] == 'W') {
161			display = DB_WORD_DISPLAY;
162		} else if (output_type[0] == 'D') {
163			display = DB_DWORD_DISPLAY;
164		} else if (output_type[0] == 'Q') {
165			display = DB_QWORD_DISPLAY;
166		}
167	}
168
169	ret_buf.length = sizeof(buffer);
170	ret_buf.pointer = buffer;
171
172	/* Differentiate between a number and a name */
173
174	if ((target[0] >= 0x30) && (target[0] <= 0x39)) {
175		obj_ptr = acpi_db_get_pointer(target);
176		if (!acpi_os_readable(obj_ptr, 16)) {
177			acpi_os_printf
178			    ("Address %p is invalid in this address space\n",
179			     obj_ptr);
180			return;
181		}
182
183		/* Decode the object type */
184
185		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_ptr)) {
186		case ACPI_DESC_TYPE_NAMED:
187
188			/* This is a namespace Node */
189
190			if (!acpi_os_readable
191			    (obj_ptr, sizeof(struct acpi_namespace_node))) {
192				acpi_os_printf
193				    ("Cannot read entire Named object at address %p\n",
194				     obj_ptr);
195				return;
196			}
197
198			node = obj_ptr;
199			goto dump_node;
200
201		case ACPI_DESC_TYPE_OPERAND:
202
203			/* This is a ACPI OPERAND OBJECT */
204
205			if (!acpi_os_readable
206			    (obj_ptr, sizeof(union acpi_operand_object))) {
207				acpi_os_printf
208				    ("Cannot read entire ACPI object at address %p\n",
209				     obj_ptr);
210				return;
211			}
212
213			acpi_ut_debug_dump_buffer(obj_ptr,
214						  sizeof(union
215							 acpi_operand_object),
216						  display, ACPI_UINT32_MAX);
217			acpi_ex_dump_object_descriptor(obj_ptr, 1);
218			break;
219
220		case ACPI_DESC_TYPE_PARSER:
221
222			/* This is a Parser Op object */
223
224			if (!acpi_os_readable
225			    (obj_ptr, sizeof(union acpi_parse_object))) {
226				acpi_os_printf
227				    ("Cannot read entire Parser object at address %p\n",
228				     obj_ptr);
229				return;
230			}
231
232			acpi_ut_debug_dump_buffer(obj_ptr,
233						  sizeof(union
234							 acpi_parse_object),
235						  display, ACPI_UINT32_MAX);
236			acpi_db_dump_parser_descriptor((union acpi_parse_object
237							*)obj_ptr);
238			break;
239
240		default:
241
242			/* Is not a recognizable object */
243
244			acpi_os_printf
245			    ("Not a known ACPI internal object, descriptor type %2.2X\n",
246			     ACPI_GET_DESCRIPTOR_TYPE(obj_ptr));
247
248			size = 16;
249			if (acpi_os_readable(obj_ptr, 64)) {
250				size = 64;
251			}
252
253			/* Just dump some memory */
254
255			acpi_ut_debug_dump_buffer(obj_ptr, size, display,
256						  ACPI_UINT32_MAX);
257			break;
258		}
259
260		return;
261	}
262
263	/* The parameter is a name string that must be resolved to a Named obj */
264
265	node = acpi_db_local_ns_lookup(target);
266	if (!node) {
267		return;
268	}
269
270dump_node:
271	/* Now dump the NS node */
272
273	status = acpi_get_name(node, ACPI_FULL_PATHNAME_NO_TRAILING, &ret_buf);
274	if (ACPI_FAILURE(status)) {
275		acpi_os_printf("Could not convert name to pathname\n");
276	}
277
278	else {
279		acpi_os_printf("Object %p: Namespace Node - Pathname: %s\n",
280			       node, (char *)ret_buf.pointer);
281	}
282
283	if (!acpi_os_readable(node, sizeof(struct acpi_namespace_node))) {
284		acpi_os_printf("Invalid Named object at address %p\n", node);
285		return;
286	}
287
288	acpi_ut_debug_dump_buffer((void *)node,
289				  sizeof(struct acpi_namespace_node), display,
290				  ACPI_UINT32_MAX);
291	acpi_ex_dump_namespace_node(node, 1);
292
293	obj_desc = acpi_ns_get_attached_object(node);
294	if (obj_desc) {
295		acpi_os_printf("\nAttached Object %p:", obj_desc);
296		if (!acpi_os_readable
297		    (obj_desc, sizeof(union acpi_operand_object))) {
298			acpi_os_printf
299			    ("Invalid internal ACPI Object at address %p\n",
300			     obj_desc);
301			return;
302		}
303
304		if (ACPI_GET_DESCRIPTOR_TYPE(((struct acpi_namespace_node *)
305					      obj_desc)) ==
306		    ACPI_DESC_TYPE_NAMED) {
307			acpi_os_printf(" Namespace Node - ");
308			status =
309			    acpi_get_name((struct acpi_namespace_node *)
310					  obj_desc,
311					  ACPI_FULL_PATHNAME_NO_TRAILING,
312					  &ret_buf);
313			if (ACPI_FAILURE(status)) {
314				acpi_os_printf
315				    ("Could not convert name to pathname\n");
316			} else {
317				acpi_os_printf("Pathname: %s",
318					       (char *)ret_buf.pointer);
319			}
320
321			acpi_os_printf("\n");
322			acpi_ut_debug_dump_buffer((void *)obj_desc,
323						  sizeof(struct
324							 acpi_namespace_node),
325						  display, ACPI_UINT32_MAX);
326		} else {
327			acpi_os_printf("\n");
328			acpi_ut_debug_dump_buffer((void *)obj_desc,
329						  sizeof(union
330							 acpi_operand_object),
331						  display, ACPI_UINT32_MAX);
332		}
333
334		acpi_ex_dump_object_descriptor(obj_desc, 1);
335	}
336}
337
338/*******************************************************************************
339 *
340 * FUNCTION:    acpi_db_display_method_info
341 *
342 * PARAMETERS:  start_op        - Root of the control method parse tree
343 *
344 * RETURN:      None
345 *
346 * DESCRIPTION: Display information about the current method
347 *
348 ******************************************************************************/
349
350void acpi_db_display_method_info(union acpi_parse_object *start_op)
351{
352	struct acpi_walk_state *walk_state;
353	union acpi_operand_object *obj_desc;
354	struct acpi_namespace_node *node;
355	union acpi_parse_object *root_op;
356	union acpi_parse_object *op;
357	const struct acpi_opcode_info *op_info;
358	u32 num_ops = 0;
359	u32 num_operands = 0;
360	u32 num_operators = 0;
361	u32 num_remaining_ops = 0;
362	u32 num_remaining_operands = 0;
363	u32 num_remaining_operators = 0;
364	u8 count_remaining = FALSE;
365
366	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
367	if (!walk_state) {
368		acpi_os_printf("There is no method currently executing\n");
369		return;
370	}
371
372	obj_desc = walk_state->method_desc;
373	node = walk_state->method_node;
374
375	acpi_os_printf("Currently executing control method is [%4.4s]\n",
376		       acpi_ut_get_node_name(node));
377	acpi_os_printf("%X Arguments, SyncLevel = %X\n",
378		       (u32)obj_desc->method.param_count,
379		       (u32)obj_desc->method.sync_level);
380
381	root_op = start_op;
382	while (root_op->common.parent) {
383		root_op = root_op->common.parent;
384	}
385
386	op = root_op;
387
388	while (op) {
389		if (op == start_op) {
390			count_remaining = TRUE;
391		}
392
393		num_ops++;
394		if (count_remaining) {
395			num_remaining_ops++;
396		}
397
398		/* Decode the opcode */
399
400		op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
401		switch (op_info->class) {
402		case AML_CLASS_ARGUMENT:
403
404			if (count_remaining) {
405				num_remaining_operands++;
406			}
407
408			num_operands++;
409			break;
410
411		case AML_CLASS_UNKNOWN:
412
413			/* Bad opcode or ASCII character */
414
415			continue;
416
417		default:
418
419			if (count_remaining) {
420				num_remaining_operators++;
421			}
422
423			num_operators++;
424			break;
425		}
426
427		op = acpi_ps_get_depth_next(start_op, op);
428	}
429
430	acpi_os_printf
431	    ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
432	     num_ops, num_operators, num_operands);
433
434	acpi_os_printf
435	    ("Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
436	     num_remaining_ops, num_remaining_operators,
437	     num_remaining_operands);
438}
439
440/*******************************************************************************
441 *
442 * FUNCTION:    acpi_db_display_locals
443 *
444 * PARAMETERS:  None
445 *
446 * RETURN:      None
447 *
448 * DESCRIPTION: Display all locals for the currently running control method
449 *
450 ******************************************************************************/
451
452void acpi_db_display_locals(void)
453{
454	struct acpi_walk_state *walk_state;
455
456	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
457	if (!walk_state) {
458		acpi_os_printf("There is no method currently executing\n");
459		return;
460	}
461
462	acpi_db_decode_locals(walk_state);
463}
464
465/*******************************************************************************
466 *
467 * FUNCTION:    acpi_db_display_arguments
468 *
469 * PARAMETERS:  None
470 *
471 * RETURN:      None
472 *
473 * DESCRIPTION: Display all arguments for the currently running control method
474 *
475 ******************************************************************************/
476
477void acpi_db_display_arguments(void)
478{
479	struct acpi_walk_state *walk_state;
480
481	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
482	if (!walk_state) {
483		acpi_os_printf("There is no method currently executing\n");
484		return;
485	}
486
487	acpi_db_decode_arguments(walk_state);
488}
489
490/*******************************************************************************
491 *
492 * FUNCTION:    acpi_db_display_results
493 *
494 * PARAMETERS:  None
495 *
496 * RETURN:      None
497 *
498 * DESCRIPTION: Display current contents of a method result stack
499 *
500 ******************************************************************************/
501
502void acpi_db_display_results(void)
503{
504	u32 i;
505	struct acpi_walk_state *walk_state;
506	union acpi_operand_object *obj_desc;
507	u32 result_count = 0;
508	struct acpi_namespace_node *node;
509	union acpi_generic_state *frame;
510	u32 index;		/* Index onto current frame */
511
512	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
513	if (!walk_state) {
514		acpi_os_printf("There is no method currently executing\n");
515		return;
516	}
517
518	node = walk_state->method_node;
519
520	if (walk_state->results) {
521		result_count = walk_state->result_count;
522	}
523
524	acpi_os_printf("Method [%4.4s] has %X stacked result objects\n",
525		       acpi_ut_get_node_name(node), result_count);
526
527	/* From the top element of result stack */
528
529	frame = walk_state->results;
530	index = (result_count - 1) % ACPI_RESULTS_FRAME_OBJ_NUM;
531
532	for (i = 0; i < result_count; i++) {
533		obj_desc = frame->results.obj_desc[index];
534		acpi_os_printf("Result%u: ", i);
535		acpi_db_display_internal_object(obj_desc, walk_state);
536
537		if (index == 0) {
538			frame = frame->results.next;
539			index = ACPI_RESULTS_FRAME_OBJ_NUM;
540		}
541
542		index--;
543	}
544}
545
546/*******************************************************************************
547 *
548 * FUNCTION:    acpi_db_display_calling_tree
549 *
550 * PARAMETERS:  None
551 *
552 * RETURN:      None
553 *
554 * DESCRIPTION: Display current calling tree of nested control methods
555 *
556 ******************************************************************************/
557
558void acpi_db_display_calling_tree(void)
559{
560	struct acpi_walk_state *walk_state;
561	struct acpi_namespace_node *node;
562
563	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
564	if (!walk_state) {
565		acpi_os_printf("There is no method currently executing\n");
566		return;
567	}
568
569	acpi_os_printf("Current Control Method Call Tree\n");
570
571	while (walk_state) {
572		node = walk_state->method_node;
573		acpi_os_printf("  [%4.4s]\n", acpi_ut_get_node_name(node));
574
575		walk_state = walk_state->next;
576	}
577}
578
579/*******************************************************************************
580 *
581 * FUNCTION:    acpi_db_display_object_type
582 *
583 * PARAMETERS:  object_arg      - User entered NS node handle
584 *
585 * RETURN:      None
586 *
587 * DESCRIPTION: Display type of an arbitrary NS node
588 *
589 ******************************************************************************/
590
591void acpi_db_display_object_type(char *object_arg)
592{
593	acpi_size arg;
594	acpi_handle handle;
595	struct acpi_device_info *info;
596	acpi_status status;
597	u32 i;
598
599	arg = strtoul(object_arg, NULL, 16);
600	handle = ACPI_TO_POINTER(arg);
601
602	status = acpi_get_object_info(handle, &info);
603	if (ACPI_FAILURE(status)) {
604		acpi_os_printf("Could not get object info, %s\n",
605			       acpi_format_exception(status));
606		return;
607	}
608
609	acpi_os_printf("ADR: %8.8X%8.8X, Flags: %X\n",
610		       ACPI_FORMAT_UINT64(info->address), info->flags);
611
612	acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
613		       info->highest_dstates[0], info->highest_dstates[1],
614		       info->highest_dstates[2], info->highest_dstates[3]);
615
616	acpi_os_printf("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
617		       info->lowest_dstates[0], info->lowest_dstates[1],
618		       info->lowest_dstates[2], info->lowest_dstates[3],
619		       info->lowest_dstates[4]);
620
621	if (info->valid & ACPI_VALID_HID) {
622		acpi_os_printf("HID: %s\n", info->hardware_id.string);
623	}
624
625	if (info->valid & ACPI_VALID_UID) {
626		acpi_os_printf("UID: %s\n", info->unique_id.string);
627	}
628
629	if (info->valid & ACPI_VALID_CID) {
630		for (i = 0; i < info->compatible_id_list.count; i++) {
631			acpi_os_printf("CID %u: %s\n", i,
632				       info->compatible_id_list.ids[i].string);
633		}
634	}
635
636	ACPI_FREE(info);
637}
638
639/*******************************************************************************
640 *
641 * FUNCTION:    acpi_db_display_result_object
642 *
643 * PARAMETERS:  obj_desc        - Object to be displayed
644 *              walk_state      - Current walk state
645 *
646 * RETURN:      None
647 *
648 * DESCRIPTION: Display the result of an AML opcode
649 *
650 * Note: Currently only displays the result object if we are single stepping.
651 * However, this output may be useful in other contexts and could be enabled
652 * to do so if needed.
653 *
654 ******************************************************************************/
655
656void
657acpi_db_display_result_object(union acpi_operand_object *obj_desc,
658			      struct acpi_walk_state *walk_state)
659{
660
661#ifndef ACPI_APPLICATION
662	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
663		return;
664	}
665#endif
666
667	/* Only display if single stepping */
668
669	if (!acpi_gbl_cm_single_step) {
670		return;
671	}
672
673	acpi_os_printf("ResultObj: ");
674	acpi_db_display_internal_object(obj_desc, walk_state);
675	acpi_os_printf("\n");
676}
677
678/*******************************************************************************
679 *
680 * FUNCTION:    acpi_db_display_argument_object
681 *
682 * PARAMETERS:  obj_desc        - Object to be displayed
683 *              walk_state      - Current walk state
684 *
685 * RETURN:      None
686 *
687 * DESCRIPTION: Display the result of an AML opcode
688 *
689 ******************************************************************************/
690
691void
692acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
693				struct acpi_walk_state *walk_state)
694{
695
696#ifndef ACPI_APPLICATION
697	if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) {
698		return;
699	}
700#endif
701
702	if (!acpi_gbl_cm_single_step) {
703		return;
704	}
705
706	acpi_os_printf("ArgObj:  ");
707	acpi_db_display_internal_object(obj_desc, walk_state);
708}
709
710#if (!ACPI_REDUCED_HARDWARE)
711/*******************************************************************************
712 *
713 * FUNCTION:    acpi_db_display_gpes
714 *
715 * PARAMETERS:  None
716 *
717 * RETURN:      None
718 *
719 * DESCRIPTION: Display the current GPE structures
720 *
721 ******************************************************************************/
722
723void acpi_db_display_gpes(void)
724{
725	struct acpi_gpe_block_info *gpe_block;
726	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
727	struct acpi_gpe_event_info *gpe_event_info;
728	struct acpi_gpe_register_info *gpe_register_info;
729	char *gpe_type;
730	struct acpi_gpe_notify_info *notify;
731	u32 gpe_index;
732	u32 block = 0;
733	u32 i;
734	u32 j;
735	u32 count;
736	char buffer[80];
737	struct acpi_buffer ret_buf;
738	acpi_status status;
739
740	ret_buf.length = sizeof(buffer);
741	ret_buf.pointer = buffer;
742
743	block = 0;
744
745	/* Walk the GPE lists */
746
747	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
748	while (gpe_xrupt_info) {
749		gpe_block = gpe_xrupt_info->gpe_block_list_head;
750		while (gpe_block) {
751			status = acpi_get_name(gpe_block->node,
752					       ACPI_FULL_PATHNAME_NO_TRAILING,
753					       &ret_buf);
754			if (ACPI_FAILURE(status)) {
755				acpi_os_printf
756				    ("Could not convert name to pathname\n");
757			}
758
759			if (gpe_block->node == acpi_gbl_fadt_gpe_device) {
760				gpe_type = "FADT-defined GPE block";
761			} else {
762				gpe_type = "GPE Block Device";
763			}
764
765			acpi_os_printf
766			    ("\nBlock %u - Info %p  DeviceNode %p [%s] - %s\n",
767			     block, gpe_block, gpe_block->node, buffer,
768			     gpe_type);
769
770			acpi_os_printf("    Registers:    %u (%u GPEs)\n",
771				       gpe_block->register_count,
772				       gpe_block->gpe_count);
773
774			acpi_os_printf
775			    ("    GPE range:    0x%X to 0x%X on interrupt %u\n",
776			     gpe_block->block_base_number,
777			     gpe_block->block_base_number +
778			     (gpe_block->gpe_count - 1),
779			     gpe_xrupt_info->interrupt_number);
780
781			acpi_os_printf
782			    ("    RegisterInfo: %p  Status %8.8X%8.8X Enable %8.8X%8.8X\n",
783			     gpe_block->register_info,
784			     ACPI_FORMAT_UINT64(gpe_block->register_info->
785						status_address.address),
786			     ACPI_FORMAT_UINT64(gpe_block->register_info->
787						enable_address.address));
788
789			acpi_os_printf("  EventInfo:    %p\n",
790				       gpe_block->event_info);
791
792			/* Examine each GPE Register within the block */
793
794			for (i = 0; i < gpe_block->register_count; i++) {
795				gpe_register_info =
796				    &gpe_block->register_info[i];
797
798				acpi_os_printf("    Reg %u: (GPE %.2X-%.2X)  "
799					       "RunEnable %2.2X WakeEnable %2.2X"
800					       " Status %8.8X%8.8X Enable %8.8X%8.8X\n",
801					       i,
802					       gpe_register_info->
803					       base_gpe_number,
804					       gpe_register_info->
805					       base_gpe_number +
806					       (ACPI_GPE_REGISTER_WIDTH - 1),
807					       gpe_register_info->
808					       enable_for_run,
809					       gpe_register_info->
810					       enable_for_wake,
811					       ACPI_FORMAT_UINT64
812					       (gpe_register_info->
813						status_address.address),
814					       ACPI_FORMAT_UINT64
815					       (gpe_register_info->
816						enable_address.address));
817
818				/* Now look at the individual GPEs in this byte register */
819
820				for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
821					gpe_index =
822					    (i * ACPI_GPE_REGISTER_WIDTH) + j;
823					gpe_event_info =
824					    &gpe_block->event_info[gpe_index];
825
826					if (ACPI_GPE_DISPATCH_TYPE
827					    (gpe_event_info->flags) ==
828					    ACPI_GPE_DISPATCH_NONE) {
829
830						/* This GPE is not used (no method or handler), ignore it */
831
832						continue;
833					}
834
835					acpi_os_printf
836					    ("        GPE %.2X: %p  RunRefs %2.2X Flags %2.2X (",
837					     gpe_block->block_base_number +
838					     gpe_index, gpe_event_info,
839					     gpe_event_info->runtime_count,
840					     gpe_event_info->flags);
841
842					/* Decode the flags byte */
843
844					if (gpe_event_info->
845					    flags & ACPI_GPE_LEVEL_TRIGGERED) {
846						acpi_os_printf("Level, ");
847					} else {
848						acpi_os_printf("Edge, ");
849					}
850
851					if (gpe_event_info->
852					    flags & ACPI_GPE_CAN_WAKE) {
853						acpi_os_printf("CanWake, ");
854					} else {
855						acpi_os_printf("RunOnly, ");
856					}
857
858					switch (ACPI_GPE_DISPATCH_TYPE
859						(gpe_event_info->flags)) {
860					case ACPI_GPE_DISPATCH_NONE:
861
862						acpi_os_printf("NotUsed");
863						break;
864
865					case ACPI_GPE_DISPATCH_METHOD:
866
867						acpi_os_printf("Method");
868						break;
869
870					case ACPI_GPE_DISPATCH_HANDLER:
871
872						acpi_os_printf("Handler");
873						break;
874
875					case ACPI_GPE_DISPATCH_NOTIFY:
876
877						count = 0;
878						notify =
879						    gpe_event_info->dispatch.
880						    notify_list;
881						while (notify) {
882							count++;
883							notify = notify->next;
884						}
885
886						acpi_os_printf
887						    ("Implicit Notify on %u devices",
888						     count);
889						break;
890
891					case ACPI_GPE_DISPATCH_RAW_HANDLER:
892
893						acpi_os_printf("RawHandler");
894						break;
895
896					default:
897
898						acpi_os_printf("UNKNOWN: %X",
899							       ACPI_GPE_DISPATCH_TYPE
900							       (gpe_event_info->
901								flags));
902						break;
903					}
904
905					acpi_os_printf(")\n");
906				}
907			}
908
909			block++;
910			gpe_block = gpe_block->next;
911		}
912
913		gpe_xrupt_info = gpe_xrupt_info->next;
914	}
915}
916#endif				/* !ACPI_REDUCED_HARDWARE */
917
918/*******************************************************************************
919 *
920 * FUNCTION:    acpi_db_display_handlers
921 *
922 * PARAMETERS:  None
923 *
924 * RETURN:      None
925 *
926 * DESCRIPTION: Display the currently installed global handlers
927 *
928 ******************************************************************************/
929
930void acpi_db_display_handlers(void)
931{
932	union acpi_operand_object *obj_desc;
933	union acpi_operand_object *handler_obj;
934	acpi_adr_space_type space_id;
935	u32 i;
936
937	/* Operation region handlers */
938
939	acpi_os_printf("\nOperation Region Handlers at the namespace root:\n");
940
941	obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
942	if (obj_desc) {
943		for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
944			space_id = acpi_gbl_space_id_list[i];
945
946			acpi_os_printf(ACPI_PREDEFINED_PREFIX,
947				       acpi_ut_get_region_name((u8)space_id),
948				       space_id);
949
950			handler_obj =
951			    acpi_ev_find_region_handler(space_id,
952							obj_desc->common_notify.
953							handler);
954			if (handler_obj) {
955				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
956					       (handler_obj->address_space.
957						handler_flags &
958						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
959					       ? "Default" : "User",
960					       handler_obj->address_space.
961					       handler);
962
963				goto found_handler;
964			}
965
966			/* There is no handler for this space_id */
967
968			acpi_os_printf("None\n");
969
970found_handler:		;
971		}
972
973		/* Find all handlers for user-defined space_IDs */
974
975		handler_obj = obj_desc->common_notify.handler;
976		while (handler_obj) {
977			if (handler_obj->address_space.space_id >=
978			    ACPI_USER_REGION_BEGIN) {
979				acpi_os_printf(ACPI_PREDEFINED_PREFIX,
980					       "User-defined ID",
981					       handler_obj->address_space.
982					       space_id);
983				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
984					       (handler_obj->address_space.
985						handler_flags &
986						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
987					       ? "Default" : "User",
988					       handler_obj->address_space.
989					       handler);
990			}
991
992			handler_obj = handler_obj->address_space.next;
993		}
994	}
995#if (!ACPI_REDUCED_HARDWARE)
996
997	/* Fixed event handlers */
998
999	acpi_os_printf("\nFixed Event Handlers:\n");
1000
1001	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
1002		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1003			       acpi_ut_get_event_name(i), i);
1004		if (acpi_gbl_fixed_event_handlers[i].handler) {
1005			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1006				       acpi_gbl_fixed_event_handlers[i].
1007				       handler);
1008		} else {
1009			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1010		}
1011	}
1012
1013#endif				/* !ACPI_REDUCED_HARDWARE */
1014
1015	/* Miscellaneous global handlers */
1016
1017	acpi_os_printf("\nMiscellaneous Global Handlers:\n");
1018
1019	for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
1020		acpi_os_printf(ACPI_HANDLER_NAME_STRING,
1021			       acpi_gbl_handler_list[i].name);
1022
1023		if (acpi_gbl_handler_list[i].handler) {
1024			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1025				       acpi_gbl_handler_list[i].handler);
1026		} else {
1027			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1028		}
1029	}
1030
1031	/* Other handlers that are installed throughout the namespace */
1032
1033	acpi_os_printf("\nOperation Region Handlers for specific devices:\n");
1034
1035	(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1036				  ACPI_UINT32_MAX,
1037				  acpi_db_display_non_root_handlers, NULL, NULL,
1038				  NULL);
1039}
1040
1041/*******************************************************************************
1042 *
1043 * FUNCTION:    acpi_db_display_non_root_handlers
1044 *
1045 * PARAMETERS:  acpi_walk_callback
1046 *
1047 * RETURN:      Status
1048 *
1049 * DESCRIPTION: Display information about all handlers installed for a
1050 *              device object.
1051 *
1052 ******************************************************************************/
1053
1054static acpi_status
1055acpi_db_display_non_root_handlers(acpi_handle obj_handle,
1056				  u32 nesting_level,
1057				  void *context, void **return_value)
1058{
1059	struct acpi_namespace_node *node =
1060	    ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
1061	union acpi_operand_object *obj_desc;
1062	union acpi_operand_object *handler_obj;
1063	char *pathname;
1064
1065	obj_desc = acpi_ns_get_attached_object(node);
1066	if (!obj_desc) {
1067		return (AE_OK);
1068	}
1069
1070	pathname = acpi_ns_get_normalized_pathname(node, TRUE);
1071	if (!pathname) {
1072		return (AE_OK);
1073	}
1074
1075	/* Display all handlers associated with this device */
1076
1077	handler_obj = obj_desc->common_notify.handler;
1078	while (handler_obj) {
1079		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1080			       acpi_ut_get_region_name((u8)handler_obj->
1081						       address_space.space_id),
1082			       handler_obj->address_space.space_id);
1083
1084		acpi_os_printf(ACPI_HANDLER_PRESENT_STRING2,
1085			       (handler_obj->address_space.handler_flags &
1086				ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default"
1087			       : "User", handler_obj->address_space.handler);
1088
1089		acpi_os_printf(" Device Name: %s (%p)\n", pathname, node);
1090
1091		handler_obj = handler_obj->address_space.next;
1092	}
1093
1094	ACPI_FREE(pathname);
1095	return (AE_OK);
1096}
1097