drivers/acpi/acpica/exdump.c

   1 /******************************************************************************
   2  *
   3  * Module Name: exdump - Interpreter debug output routines
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2008, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #include <acpi/acpi.h>
  45 #include "accommon.h"
  46 #include "acinterp.h"
  47 #include "amlcode.h"
  48 #include "acnamesp.h"
  49
  50 #define _COMPONENT          ACPI_EXECUTER
  51 ACPI_MODULE_NAME("exdump")
  52
  53 /*
  54  * The following routines are used for debug output only
  55  */
  56 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
  57 /* Local prototypes */
  58 static void acpi_ex_out_string(char *title, char *value);
  59
  60 static void acpi_ex_out_pointer(char *title, void *value);
  61
  62 static void
  63 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
  64                     struct acpi_exdump_info *info);
  65
  66 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
  67
  68 static void
  69 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
  70                          u32 level, u32 index);
  71
  72 /*******************************************************************************
  73  *
  74  * Object Descriptor info tables
  75  *
  76  * Note: The first table entry must be an INIT opcode and must contain
  77  * the table length (number of table entries)
  78  *
  79  ******************************************************************************/
  80
  81 static struct acpi_exdump_info acpi_ex_dump_integer[2] = {
  82         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL},
  83         {ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"}
  84 };
  85
  86 static struct acpi_exdump_info acpi_ex_dump_string[4] = {
  87         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL},
  88         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"},
  89         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"},
  90         {ACPI_EXD_STRING, 0, NULL}
  91 };
  92
  93 static struct acpi_exdump_info acpi_ex_dump_buffer[5] = {
  94         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL},
  95         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"},
  96         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"},
  97         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.node), "Parent Node"},
  98         {ACPI_EXD_BUFFER, 0, NULL}
  99 };
 100
 101 static struct acpi_exdump_info acpi_ex_dump_package[5] = {
 102         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
 103         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
 104         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
 105         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
 106         {ACPI_EXD_PACKAGE, 0, NULL}
 107 };
 108
 109 static struct acpi_exdump_info acpi_ex_dump_device[4] = {
 110         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL},
 111         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.handler), "Handler"},
 112         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.system_notify),
 113          "System Notify"},
 114         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.device_notify),
 115          "Device Notify"}
 116 };
 117
 118 static struct acpi_exdump_info acpi_ex_dump_event[2] = {
 119         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL},
 120         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
 121 };
 122
 123 static struct acpi_exdump_info acpi_ex_dump_method[8] = {
 124         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
 125         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
 126         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
 127         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
 128         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
 129         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
 130         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
 131         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
 132 };
 133
 134 static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
 135         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
 136         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
 137         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
 138         {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
 139          "Acquire Depth"},
 140         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
 141 };
 142
 143 static struct acpi_exdump_info acpi_ex_dump_region[7] = {
 144         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
 145         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
 146         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
 147         {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
 148         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
 149         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"},
 150         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
 151 };
 152
 153 static struct acpi_exdump_info acpi_ex_dump_power[5] = {
 154         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
 155         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
 156          "System Level"},
 157         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
 158          "Resource Order"},
 159         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify),
 160          "System Notify"},
 161         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify),
 162          "Device Notify"}
 163 };
 164
 165 static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
 166         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
 167         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
 168         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
 169         {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
 170         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
 171          "System Notify"},
 172         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify),
 173          "Device Notify"},
 174         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
 175 };
 176
 177 static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
 178         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
 179         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify),
 180          "System Notify"},
 181         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify),
 182          "Device Notify"},
 183         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
 184 };
 185
 186 static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
 187         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
 188         {ACPI_EXD_FIELD, 0, NULL},
 189         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
 190          "Buffer Object"}
 191 };
 192
 193 static struct acpi_exdump_info acpi_ex_dump_region_field[3] = {
 194         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
 195         {ACPI_EXD_FIELD, 0, NULL},
 196         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"}
 197 };
 198
 199 static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
 200         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
 201         {ACPI_EXD_FIELD, 0, NULL},
 202         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
 203         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
 204          "Region Object"},
 205         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
 206 };
 207
 208 static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
 209         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
 210         {ACPI_EXD_FIELD, 0, NULL},
 211         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
 212         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
 213          "Index Object"},
 214         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
 215 };
 216
 217 static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
 218         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
 219         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
 220         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
 221         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
 222         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
 223         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
 224         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
 225         {ACPI_EXD_REFERENCE, 0, NULL}
 226 };
 227
 228 static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
 229         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
 230          NULL},
 231         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
 232         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"},
 233         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list),
 234          "Region List"},
 235         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"},
 236         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
 237 };
 238
 239 static struct acpi_exdump_info acpi_ex_dump_notify[3] = {
 240         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
 241         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"},
 242         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}
 243 };
 244
 245 /* Miscellaneous tables */
 246
 247 static struct acpi_exdump_info acpi_ex_dump_common[4] = {
 248         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
 249         {ACPI_EXD_TYPE, 0, NULL},
 250         {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
 251          "Reference Count"},
 252         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"}
 253 };
 254
 255 static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
 256         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
 257         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
 258          "Field Flags"},
 259         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
 260          "Access Byte Width"},
 261         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
 262          "Bit Length"},
 263         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
 264          "Field Bit Offset"},
 265         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
 266          "Base Byte Offset"},
 267         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
 268 };
 269
 270 static struct acpi_exdump_info acpi_ex_dump_node[5] = {
 271         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
 272         {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
 273         {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
 274         {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
 275         {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
 276 };
 277
 278 /* Dispatch table, indexed by object type */
 279
 280 static struct acpi_exdump_info *acpi_ex_dump_info[] = {
 281         NULL,
 282         acpi_ex_dump_integer,
 283         acpi_ex_dump_string,
 284         acpi_ex_dump_buffer,
 285         acpi_ex_dump_package,
 286         NULL,
 287         acpi_ex_dump_device,
 288         acpi_ex_dump_event,
 289         acpi_ex_dump_method,
 290         acpi_ex_dump_mutex,
 291         acpi_ex_dump_region,
 292         acpi_ex_dump_power,
 293         acpi_ex_dump_processor,
 294         acpi_ex_dump_thermal,
 295         acpi_ex_dump_buffer_field,
 296         NULL,
 297         NULL,
 298         acpi_ex_dump_region_field,
 299         acpi_ex_dump_bank_field,
 300         acpi_ex_dump_index_field,
 301         acpi_ex_dump_reference,
 302         NULL,
 303         NULL,
 304         acpi_ex_dump_notify,
 305         acpi_ex_dump_address_handler,
 306         NULL,
 307         NULL,
 308         NULL
 309 };
 310
 311 /*******************************************************************************
 312  *
 313  * FUNCTION:    acpi_ex_dump_object
 314  *
 315  * PARAMETERS:  obj_desc            - Descriptor to dump
 316  *              Info                - Info table corresponding to this object
 317  *                                    type
 318  *
 319  * RETURN:      None
 320  *
 321  * DESCRIPTION: Walk the info table for this object
 322  *
 323  ******************************************************************************/
 324
 325 static void
 326 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
 327                     struct acpi_exdump_info *info)
 328 {
 329         u8 *target;
 330         char *name;
 331         u8 count;
 332
 333         if (!info) {
 334                 acpi_os_printf
 335                     ("ExDumpObject: Display not implemented for object type %s\n",
 336                      acpi_ut_get_object_type_name(obj_desc));
 337                 return;
 338         }
 339
 340         /* First table entry must contain the table length (# of table entries) */
 341
 342         count = info->offset;
 343
 344         while (count) {
 345                 target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
 346                 name = info->name;
 347
 348                 switch (info->opcode) {
 349                 case ACPI_EXD_INIT:
 350                         break;
 351
 352                 case ACPI_EXD_TYPE:
 353
 354                         acpi_ex_out_string("Type",
 355                                            acpi_ut_get_object_type_name
 356                                            (obj_desc));
 357                         break;
 358
 359                 case ACPI_EXD_UINT8:
 360
 361                         acpi_os_printf("%20s : %2.2X\n", name, *target);
 362                         break;
 363
 364                 case ACPI_EXD_UINT16:
 365
 366                         acpi_os_printf("%20s : %4.4X\n", name,
 367                                        ACPI_GET16(target));
 368                         break;
 369
 370                 case ACPI_EXD_UINT32:
 371
 372                         acpi_os_printf("%20s : %8.8X\n", name,
 373                                        ACPI_GET32(target));
 374                         break;
 375
 376                 case ACPI_EXD_UINT64:
 377
 378                         acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
 379                                        ACPI_FORMAT_UINT64(ACPI_GET64(target)));
 380                         break;
 381
 382                 case ACPI_EXD_POINTER:
 383                 case ACPI_EXD_ADDRESS:
 384
 385                         acpi_ex_out_pointer(name,
 386                                             *ACPI_CAST_PTR(void *, target));
 387                         break;
 388
 389                 case ACPI_EXD_STRING:
 390
 391                         acpi_ut_print_string(obj_desc->string.pointer,
 392                                              ACPI_UINT8_MAX);
 393                         acpi_os_printf("\n");
 394                         break;
 395
 396                 case ACPI_EXD_BUFFER:
 397
 398                         ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
 399                                          obj_desc->buffer.length);
 400                         break;
 401
 402                 case ACPI_EXD_PACKAGE:
 403
 404                         /* Dump the package contents */
 405
 406                         acpi_os_printf("\nPackage Contents:\n");
 407                         acpi_ex_dump_package_obj(obj_desc, 0, 0);
 408                         break;
 409
 410                 case ACPI_EXD_FIELD:
 411
 412                         acpi_ex_dump_object(obj_desc,
 413                                             acpi_ex_dump_field_common);
 414                         break;
 415
 416                 case ACPI_EXD_REFERENCE:
 417
 418                         acpi_ex_out_string("Class Name",
 419                                            (char *)
 420                                            acpi_ut_get_reference_name
 421                                            (obj_desc));
 422                         acpi_ex_dump_reference_obj(obj_desc);
 423                         break;
 424
 425                 default:
 426
 427                         acpi_os_printf("**** Invalid table opcode [%X] ****\n",
 428                                        info->opcode);
 429                         return;
 430                 }
 431
 432                 info++;
 433                 count--;
 434         }
 435 }
 436
 437 /*******************************************************************************
 438  *
 439  * FUNCTION:    acpi_ex_dump_operand
 440  *
 441  * PARAMETERS:  *obj_desc       - Pointer to entry to be dumped
 442  *              Depth           - Current nesting depth
 443  *
 444  * RETURN:      None
 445  *
 446  * DESCRIPTION: Dump an operand object
 447  *
 448  ******************************************************************************/
 449
 450 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 451 {
 452         u32 length;
 453         u32 index;
 454
 455         ACPI_FUNCTION_NAME(ex_dump_operand)
 456
 457             if (!((ACPI_LV_EXEC & acpi_dbg_level)
 458                   && (_COMPONENT & acpi_dbg_layer))) {
 459                 return;
 460         }
 461
 462         if (!obj_desc) {
 463
 464                 /* This could be a null element of a package */
 465
 466                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
 467                 return;
 468         }
 469
 470         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
 471                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
 472                                   obj_desc));
 473                 ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
 474                 return;
 475         }
 476
 477         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
 478                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 479                                   "%p is not a node or operand object: [%s]\n",
 480                                   obj_desc,
 481                                   acpi_ut_get_descriptor_name(obj_desc)));
 482                 ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
 483                 return;
 484         }
 485
 486         /* obj_desc is a valid object */
 487
 488         if (depth > 0) {
 489                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
 490                                   depth, " ", depth, obj_desc));
 491         } else {
 492                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
 493         }
 494
 495         /* Decode object type */
 496
 497         switch (obj_desc->common.type) {
 498         case ACPI_TYPE_LOCAL_REFERENCE:
 499
 500                 acpi_os_printf("Reference: [%s] ",
 501                                acpi_ut_get_reference_name(obj_desc));
 502
 503                 switch (obj_desc->reference.class) {
 504                 case ACPI_REFCLASS_DEBUG:
 505
 506                         acpi_os_printf("\n");
 507                         break;
 508
 509                 case ACPI_REFCLASS_INDEX:
 510
 511                         acpi_os_printf("%p\n", obj_desc->reference.object);
 512                         break;
 513
 514                 case ACPI_REFCLASS_TABLE:
 515
 516                         acpi_os_printf("Table Index %X\n",
 517                                        obj_desc->reference.value);
 518                         break;
 519
 520                 case ACPI_REFCLASS_REFOF:
 521
 522                         acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
 523                                        acpi_ut_get_type_name(((union
 524                                                                acpi_operand_object
 525                                                                *)
 526                                                               obj_desc->
 527                                                               reference.
 528                                                               object)->common.
 529                                                              type));
 530                         break;
 531
 532                 case ACPI_REFCLASS_NAME:
 533
 534                         acpi_os_printf("- [%4.4s]\n",
 535                                        obj_desc->reference.node->name.ascii);
 536                         break;
 537
 538                 case ACPI_REFCLASS_ARG:
 539                 case ACPI_REFCLASS_LOCAL:
 540
 541                         acpi_os_printf("%X\n", obj_desc->reference.value);
 542                         break;
 543
 544                 default:        /* Unknown reference class */
 545
 546                         acpi_os_printf("%2.2X\n", obj_desc->reference.class);
 547                         break;
 548                 }
 549                 break;
 550
 551         case ACPI_TYPE_BUFFER:
 552
 553                 acpi_os_printf("Buffer length %.2X @ %p\n",
 554                                obj_desc->buffer.length,
 555                                obj_desc->buffer.pointer);
 556
 557                 /* Debug only -- dump the buffer contents */
 558
 559                 if (obj_desc->buffer.pointer) {
 560                         length = obj_desc->buffer.length;
 561                         if (length > 128) {
 562                                 length = 128;
 563                         }
 564
 565                         acpi_os_printf
 566                             ("Buffer Contents: (displaying length 0x%.2X)\n",
 567                              length);
 568                         ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
 569                 }
 570                 break;
 571
 572         case ACPI_TYPE_INTEGER:
 573
 574                 acpi_os_printf("Integer %8.8X%8.8X\n",
 575                                ACPI_FORMAT_UINT64(obj_desc->integer.value));
 576                 break;
 577
 578         case ACPI_TYPE_PACKAGE:
 579
 580                 acpi_os_printf("Package [Len %X] ElementArray %p\n",
 581                                obj_desc->package.count,
 582                                obj_desc->package.elements);
 583
 584                 /*
 585                  * If elements exist, package element pointer is valid,
 586                  * and debug_level exceeds 1, dump package's elements.
 587                  */
 588                 if (obj_desc->package.count &&
 589                     obj_desc->package.elements && acpi_dbg_level > 1) {
 590                         for (index = 0; index < obj_desc->package.count;
 591                              index++) {
 592                                 acpi_ex_dump_operand(obj_desc->package.
 593                                                      elements[index],
 594                                                      depth + 1);
 595                         }
 596                 }
 597                 break;
 598
 599         case ACPI_TYPE_REGION:
 600
 601                 acpi_os_printf("Region %s (%X)",
 602                                acpi_ut_get_region_name(obj_desc->region.
 603                                                        space_id),
 604                                obj_desc->region.space_id);
 605
 606                 /*
 607                  * If the address and length have not been evaluated,
 608                  * don't print them.
 609                  */
 610                 if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
 611                         acpi_os_printf("\n");
 612                 } else {
 613                         acpi_os_printf(" base %8.8X%8.8X Length %X\n",
 614                                        ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
 615                                                                address),
 616                                        obj_desc->region.length);
 617                 }
 618                 break;
 619
 620         case ACPI_TYPE_STRING:
 621
 622                 acpi_os_printf("String length %X @ %p ",
 623                                obj_desc->string.length,
 624                                obj_desc->string.pointer);
 625
 626                 acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
 627                 acpi_os_printf("\n");
 628                 break;
 629
 630         case ACPI_TYPE_LOCAL_BANK_FIELD:
 631
 632                 acpi_os_printf("BankField\n");
 633                 break;
 634
 635         case ACPI_TYPE_LOCAL_REGION_FIELD:
 636
 637                 acpi_os_printf
 638                     ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
 639                      "byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
 640                      obj_desc->field.access_byte_width,
 641                      obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
 642                      obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
 643                      obj_desc->field.base_byte_offset,
 644                      obj_desc->field.start_field_bit_offset);
 645
 646                 acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
 647                 break;
 648
 649         case ACPI_TYPE_LOCAL_INDEX_FIELD:
 650
 651                 acpi_os_printf("IndexField\n");
 652                 break;
 653
 654         case ACPI_TYPE_BUFFER_FIELD:
 655
 656                 acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
 657                                obj_desc->buffer_field.bit_length,
 658                                obj_desc->buffer_field.base_byte_offset,
 659                                obj_desc->buffer_field.start_field_bit_offset);
 660
 661                 if (!obj_desc->buffer_field.buffer_obj) {
 662                         ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
 663                 } else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
 664                            ACPI_TYPE_BUFFER) {
 665                         acpi_os_printf("*not a Buffer*\n");
 666                 } else {
 667                         acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
 668                                              depth + 1);
 669                 }
 670                 break;
 671
 672         case ACPI_TYPE_EVENT:
 673
 674                 acpi_os_printf("Event\n");
 675                 break;
 676
 677         case ACPI_TYPE_METHOD:
 678
 679                 acpi_os_printf("Method(%X) @ %p:%X\n",
 680                                obj_desc->method.param_count,
 681                                obj_desc->method.aml_start,
 682                                obj_desc->method.aml_length);
 683                 break;
 684
 685         case ACPI_TYPE_MUTEX:
 686
 687                 acpi_os_printf("Mutex\n");
 688                 break;
 689
 690         case ACPI_TYPE_DEVICE:
 691
 692                 acpi_os_printf("Device\n");
 693                 break;
 694
 695         case ACPI_TYPE_POWER:
 696
 697                 acpi_os_printf("Power\n");
 698                 break;
 699
 700         case ACPI_TYPE_PROCESSOR:
 701
 702                 acpi_os_printf("Processor\n");
 703                 break;
 704
 705         case ACPI_TYPE_THERMAL:
 706
 707                 acpi_os_printf("Thermal\n");
 708                 break;
 709
 710         default:
 711                 /* Unknown Type */
 712
 713                 acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
 714                 break;
 715         }
 716
 717         return;
 718 }
 719
 720 /*******************************************************************************
 721  *
 722  * FUNCTION:    acpi_ex_dump_operands
 723  *
 724  * PARAMETERS:  Operands            - A list of Operand objects
 725  *              opcode_name         - AML opcode name
 726  *              num_operands        - Operand count for this opcode
 727  *
 728  * DESCRIPTION: Dump the operands associated with the opcode
 729  *
 730  ******************************************************************************/
 731
 732 void
 733 acpi_ex_dump_operands(union acpi_operand_object **operands,
 734                       const char *opcode_name, u32 num_operands)
 735 {
 736         ACPI_FUNCTION_NAME(ex_dump_operands);
 737
 738         if (!opcode_name) {
 739                 opcode_name = "UNKNOWN";
 740         }
 741
 742         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 743                           "**** Start operand dump for opcode [%s], %d operands\n",
 744                           opcode_name, num_operands));
 745
 746         if (num_operands == 0) {
 747                 num_operands = 1;
 748         }
 749
 750         /* Dump the individual operands */
 751
 752         while (num_operands) {
 753                 acpi_ex_dump_operand(*operands, 0);
 754                 operands++;
 755                 num_operands--;
 756         }
 757
 758         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 759                           "**** End operand dump for [%s]\n", opcode_name));
 760         return;
 761 }
 762
 763 /*******************************************************************************
 764  *
 765  * FUNCTION:    acpi_ex_out* functions
 766  *
 767  * PARAMETERS:  Title               - Descriptive text
 768  *              Value               - Value to be displayed
 769  *
 770  * DESCRIPTION: Object dump output formatting functions.  These functions
 771  *              reduce the number of format strings required and keeps them
 772  *              all in one place for easy modification.
 773  *
 774  ******************************************************************************/
 775
 776 static void acpi_ex_out_string(char *title, char *value)
 777 {
 778         acpi_os_printf("%20s : %s\n", title, value);
 779 }
 780
 781 static void acpi_ex_out_pointer(char *title, void *value)
 782 {
 783         acpi_os_printf("%20s : %p\n", title, value);
 784 }
 785
 786 /*******************************************************************************
 787  *
 788  * FUNCTION:    acpi_ex_dump_namespace_node
 789  *
 790  * PARAMETERS:  Node                - Descriptor to dump
 791  *              Flags               - Force display if TRUE
 792  *
 793  * DESCRIPTION: Dumps the members of the given.Node
 794  *
 795  ******************************************************************************/
 796
 797 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
 798 {
 799
 800         ACPI_FUNCTION_ENTRY();
 801
 802         if (!flags) {
 803                 if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 804                       && (_COMPONENT & acpi_dbg_layer))) {
 805                         return;
 806                 }
 807         }
 808
 809         acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
 810         acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
 811         acpi_ex_out_pointer("Attached Object",
 812                             acpi_ns_get_attached_object(node));
 813         acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node));
 814
 815         acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
 816                             acpi_ex_dump_node);
 817 }
 818
 819 /*******************************************************************************
 820  *
 821  * FUNCTION:    acpi_ex_dump_reference_obj
 822  *
 823  * PARAMETERS:  Object              - Descriptor to dump
 824  *
 825  * DESCRIPTION: Dumps a reference object
 826  *
 827  ******************************************************************************/
 828
 829 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
 830 {
 831         struct acpi_buffer ret_buf;
 832         acpi_status status;
 833
 834         ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
 835
 836         if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
 837                 acpi_os_printf(" %p ", obj_desc->reference.node);
 838
 839                 status =
 840                     acpi_ns_handle_to_pathname(obj_desc->reference.node,
 841                                                &ret_buf);
 842                 if (ACPI_FAILURE(status)) {
 843                         acpi_os_printf(" Could not convert name to pathname\n");
 844                 } else {
 845                         acpi_os_printf("%s\n", (char *)ret_buf.pointer);
 846                         ACPI_FREE(ret_buf.pointer);
 847                 }
 848         } else if (obj_desc->reference.object) {
 849                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
 850                     ACPI_DESC_TYPE_OPERAND) {
 851                         acpi_os_printf(" Target: %p",
 852                                        obj_desc->reference.object);
 853                         if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
 854                                 acpi_os_printf(" Table Index: %X\n",
 855                                                obj_desc->reference.value);
 856                         } else {
 857                                 acpi_os_printf(" Target: %p [%s]\n",
 858                                                obj_desc->reference.object,
 859                                                acpi_ut_get_type_name(((union
 860                                                                        acpi_operand_object
 861                                                                        *)
 862                                                                       obj_desc->
 863                                                                       reference.
 864                                                                       object)->
 865                                                                      common.
 866                                                                      type));
 867                         }
 868                 } else {
 869                         acpi_os_printf(" Target: %p\n",
 870                                        obj_desc->reference.object);
 871                 }
 872         }
 873 }
 874
 875 /*******************************************************************************
 876  *
 877  * FUNCTION:    acpi_ex_dump_package_obj
 878  *
 879  * PARAMETERS:  obj_desc            - Descriptor to dump
 880  *              Level               - Indentation Level
 881  *              Index               - Package index for this object
 882  *
 883  * DESCRIPTION: Dumps the elements of the package
 884  *
 885  ******************************************************************************/
 886
 887 static void
 888 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
 889                          u32 level, u32 index)
 890 {
 891         u32 i;
 892
 893         /* Indentation and index output */
 894
 895         if (level > 0) {
 896                 for (i = 0; i < level; i++) {
 897                         acpi_os_printf(" ");
 898                 }
 899
 900                 acpi_os_printf("[%.2d] ", index);
 901         }
 902
 903         acpi_os_printf("%p ", obj_desc);
 904
 905         /* Null package elements are allowed */
 906
 907         if (!obj_desc) {
 908                 acpi_os_printf("[Null Object]\n");
 909                 return;
 910         }
 911
 912         /* Packages may only contain a few object types */
 913
 914         switch (obj_desc->common.type) {
 915         case ACPI_TYPE_INTEGER:
 916
 917                 acpi_os_printf("[Integer] = %8.8X%8.8X\n",
 918                                ACPI_FORMAT_UINT64(obj_desc->integer.value));
 919                 break;
 920
 921         case ACPI_TYPE_STRING:
 922
 923                 acpi_os_printf("[String] Value: ");
 924                 for (i = 0; i < obj_desc->string.length; i++) {
 925                         acpi_os_printf("%c", obj_desc->string.pointer[i]);
 926                 }
 927                 acpi_os_printf("\n");
 928                 break;
 929
 930         case ACPI_TYPE_BUFFER:
 931
 932                 acpi_os_printf("[Buffer] Length %.2X = ",
 933                                obj_desc->buffer.length);
 934                 if (obj_desc->buffer.length) {
 935                         acpi_ut_dump_buffer(ACPI_CAST_PTR
 936                                             (u8, obj_desc->buffer.pointer),
 937                                             obj_desc->buffer.length,
 938                                             DB_DWORD_DISPLAY, _COMPONENT);
 939                 } else {
 940                         acpi_os_printf("\n");
 941                 }
 942                 break;
 943
 944         case ACPI_TYPE_PACKAGE:
 945
 946                 acpi_os_printf("[Package] Contains %d Elements:\n",
 947                                obj_desc->package.count);
 948
 949                 for (i = 0; i < obj_desc->package.count; i++) {
 950                         acpi_ex_dump_package_obj(obj_desc->package.elements[i],
 951                                                  level + 1, i);
 952                 }
 953                 break;
 954
 955         case ACPI_TYPE_LOCAL_REFERENCE:
 956
 957                 acpi_os_printf("[Object Reference] Type [%s] %2.2X",
 958                                acpi_ut_get_reference_name(obj_desc),
 959                                obj_desc->reference.class);
 960                 acpi_ex_dump_reference_obj(obj_desc);
 961                 break;
 962
 963         default:
 964
 965                 acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
 966                 break;
 967         }
 968 }
 969
 970 /*******************************************************************************
 971  *
 972  * FUNCTION:    acpi_ex_dump_object_descriptor
 973  *
 974  * PARAMETERS:  obj_desc            - Descriptor to dump
 975  *              Flags               - Force display if TRUE
 976  *
 977  * DESCRIPTION: Dumps the members of the object descriptor given.
 978  *
 979  ******************************************************************************/
 980
 981 void
 982 acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
 983 {
 984         ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
 985
 986         if (!obj_desc) {
 987                 return_VOID;
 988         }
 989
 990         if (!flags) {
 991                 if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 992                       && (_COMPONENT & acpi_dbg_layer))) {
 993                         return_VOID;
 994                 }
 995         }
 996
 997         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
 998                 acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
 999                                             obj_desc, flags);
1000
1001                 acpi_os_printf("\nAttached Object (%p):\n",
1002                                ((struct acpi_namespace_node *)obj_desc)->
1003                                object);
1004
1005                 acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *)
1006                                                 obj_desc)->object, flags);
1007                 return_VOID;
1008         }
1009
1010         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
1011                 acpi_os_printf
1012                     ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
1013                      obj_desc, acpi_ut_get_descriptor_name(obj_desc));
1014                 return_VOID;
1015         }
1016
1017         if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
1018                 return_VOID;
1019         }
1020
1021         /* Common Fields */
1022
1023         acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
1024
1025         /* Object-specific fields */
1026
1027         acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
1028         return_VOID;
1029 }
1030
1031 #endif