drivers/acpi/acpica/exdump.c

   1 /******************************************************************************
   2  *
   3  * Module Name: exdump - Interpreter debug output routines
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2012, 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[9] = {
 124         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
 125         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.info_flags), "Info Flags"},
 126         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
 127          "Parameter Count"},
 128         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
 129         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
 130         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
 131         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
 132         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
 133         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
 134 };
 135
 136 static struct acpi_exdump_info acpi_ex_dump_mutex[5] = {
 137         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL},
 138         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"},
 139         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"},
 140         {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth),
 141          "Acquire Depth"},
 142         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"}
 143 };
 144
 145 static struct acpi_exdump_info acpi_ex_dump_region[7] = {
 146         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL},
 147         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"},
 148         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"},
 149         {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"},
 150         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"},
 151         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"},
 152         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"}
 153 };
 154
 155 static struct acpi_exdump_info acpi_ex_dump_power[5] = {
 156         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL},
 157         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level),
 158          "System Level"},
 159         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order),
 160          "Resource Order"},
 161         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify),
 162          "System Notify"},
 163         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify),
 164          "Device Notify"}
 165 };
 166
 167 static struct acpi_exdump_info acpi_ex_dump_processor[7] = {
 168         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL},
 169         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"},
 170         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"},
 171         {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"},
 172         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify),
 173          "System Notify"},
 174         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify),
 175          "Device Notify"},
 176         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"}
 177 };
 178
 179 static struct acpi_exdump_info acpi_ex_dump_thermal[4] = {
 180         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL},
 181         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify),
 182          "System Notify"},
 183         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify),
 184          "Device Notify"},
 185         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"}
 186 };
 187
 188 static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = {
 189         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL},
 190         {ACPI_EXD_FIELD, 0, NULL},
 191         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj),
 192          "Buffer Object"}
 193 };
 194
 195 static struct acpi_exdump_info acpi_ex_dump_region_field[5] = {
 196         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL},
 197         {ACPI_EXD_FIELD, 0, NULL},
 198         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(field.access_length), "AccessLength"},
 199         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"},
 200         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.resource_buffer),
 201          "ResourceBuffer"}
 202 };
 203
 204 static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = {
 205         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
 206         {ACPI_EXD_FIELD, 0, NULL},
 207         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"},
 208         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj),
 209          "Region Object"},
 210         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"}
 211 };
 212
 213 static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
 214         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL},
 215         {ACPI_EXD_FIELD, 0, NULL},
 216         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"},
 217         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj),
 218          "Index Object"},
 219         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
 220 };
 221
 222 static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
 223         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
 224         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
 225         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
 226         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
 227         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
 228         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
 229         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
 230         {ACPI_EXD_REFERENCE, 0, NULL}
 231 };
 232
 233 static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = {
 234         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler),
 235          NULL},
 236         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"},
 237         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"},
 238         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list),
 239          "Region List"},
 240         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"},
 241         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"}
 242 };
 243
 244 static struct acpi_exdump_info acpi_ex_dump_notify[3] = {
 245         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL},
 246         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"},
 247         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}
 248 };
 249
 250 /* Miscellaneous tables */
 251
 252 static struct acpi_exdump_info acpi_ex_dump_common[4] = {
 253         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL},
 254         {ACPI_EXD_TYPE, 0, NULL},
 255         {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count),
 256          "Reference Count"},
 257         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"}
 258 };
 259
 260 static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
 261         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL},
 262         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags),
 263          "Field Flags"},
 264         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width),
 265          "Access Byte Width"},
 266         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length),
 267          "Bit Length"},
 268         {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset),
 269          "Field Bit Offset"},
 270         {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset),
 271          "Base Byte Offset"},
 272         {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
 273 };
 274
 275 static struct acpi_exdump_info acpi_ex_dump_node[5] = {
 276         {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
 277         {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
 278         {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
 279         {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
 280         {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
 281 };
 282
 283 /* Dispatch table, indexed by object type */
 284
 285 static struct acpi_exdump_info *acpi_ex_dump_info[] = {
 286         NULL,
 287         acpi_ex_dump_integer,
 288         acpi_ex_dump_string,
 289         acpi_ex_dump_buffer,
 290         acpi_ex_dump_package,
 291         NULL,
 292         acpi_ex_dump_device,
 293         acpi_ex_dump_event,
 294         acpi_ex_dump_method,
 295         acpi_ex_dump_mutex,
 296         acpi_ex_dump_region,
 297         acpi_ex_dump_power,
 298         acpi_ex_dump_processor,
 299         acpi_ex_dump_thermal,
 300         acpi_ex_dump_buffer_field,
 301         NULL,
 302         NULL,
 303         acpi_ex_dump_region_field,
 304         acpi_ex_dump_bank_field,
 305         acpi_ex_dump_index_field,
 306         acpi_ex_dump_reference,
 307         NULL,
 308         NULL,
 309         acpi_ex_dump_notify,
 310         acpi_ex_dump_address_handler,
 311         NULL,
 312         NULL,
 313         NULL
 314 };
 315
 316 /*******************************************************************************
 317  *
 318  * FUNCTION:    acpi_ex_dump_object
 319  *
 320  * PARAMETERS:  obj_desc            - Descriptor to dump
 321  *              Info                - Info table corresponding to this object
 322  *                                    type
 323  *
 324  * RETURN:      None
 325  *
 326  * DESCRIPTION: Walk the info table for this object
 327  *
 328  ******************************************************************************/
 329
 330 static void
 331 acpi_ex_dump_object(union acpi_operand_object *obj_desc,
 332                     struct acpi_exdump_info *info)
 333 {
 334         u8 *target;
 335         char *name;
 336         u8 count;
 337
 338         if (!info) {
 339                 acpi_os_printf
 340                     ("ExDumpObject: Display not implemented for object type %s\n",
 341                      acpi_ut_get_object_type_name(obj_desc));
 342                 return;
 343         }
 344
 345         /* First table entry must contain the table length (# of table entries) */
 346
 347         count = info->offset;
 348
 349         while (count) {
 350                 target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
 351                 name = info->name;
 352
 353                 switch (info->opcode) {
 354                 case ACPI_EXD_INIT:
 355                         break;
 356
 357                 case ACPI_EXD_TYPE:
 358
 359                         acpi_ex_out_string("Type",
 360                                            acpi_ut_get_object_type_name
 361                                            (obj_desc));
 362                         break;
 363
 364                 case ACPI_EXD_UINT8:
 365
 366                         acpi_os_printf("%20s : %2.2X\n", name, *target);
 367                         break;
 368
 369                 case ACPI_EXD_UINT16:
 370
 371                         acpi_os_printf("%20s : %4.4X\n", name,
 372                                        ACPI_GET16(target));
 373                         break;
 374
 375                 case ACPI_EXD_UINT32:
 376
 377                         acpi_os_printf("%20s : %8.8X\n", name,
 378                                        ACPI_GET32(target));
 379                         break;
 380
 381                 case ACPI_EXD_UINT64:
 382
 383                         acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
 384                                        ACPI_FORMAT_UINT64(ACPI_GET64(target)));
 385                         break;
 386
 387                 case ACPI_EXD_POINTER:
 388                 case ACPI_EXD_ADDRESS:
 389
 390                         acpi_ex_out_pointer(name,
 391                                             *ACPI_CAST_PTR(void *, target));
 392                         break;
 393
 394                 case ACPI_EXD_STRING:
 395
 396                         acpi_ut_print_string(obj_desc->string.pointer,
 397                                              ACPI_UINT8_MAX);
 398                         acpi_os_printf("\n");
 399                         break;
 400
 401                 case ACPI_EXD_BUFFER:
 402
 403                         ACPI_DUMP_BUFFER(obj_desc->buffer.pointer,
 404                                          obj_desc->buffer.length);
 405                         break;
 406
 407                 case ACPI_EXD_PACKAGE:
 408
 409                         /* Dump the package contents */
 410
 411                         acpi_os_printf("\nPackage Contents:\n");
 412                         acpi_ex_dump_package_obj(obj_desc, 0, 0);
 413                         break;
 414
 415                 case ACPI_EXD_FIELD:
 416
 417                         acpi_ex_dump_object(obj_desc,
 418                                             acpi_ex_dump_field_common);
 419                         break;
 420
 421                 case ACPI_EXD_REFERENCE:
 422
 423                         acpi_ex_out_string("Class Name",
 424                                            ACPI_CAST_PTR(char,
 425                                                          acpi_ut_get_reference_name
 426                                                          (obj_desc)));
 427                         acpi_ex_dump_reference_obj(obj_desc);
 428                         break;
 429
 430                 default:
 431
 432                         acpi_os_printf("**** Invalid table opcode [%X] ****\n",
 433                                        info->opcode);
 434                         return;
 435                 }
 436
 437                 info++;
 438                 count--;
 439         }
 440 }
 441
 442 /*******************************************************************************
 443  *
 444  * FUNCTION:    acpi_ex_dump_operand
 445  *
 446  * PARAMETERS:  *obj_desc       - Pointer to entry to be dumped
 447  *              Depth           - Current nesting depth
 448  *
 449  * RETURN:      None
 450  *
 451  * DESCRIPTION: Dump an operand object
 452  *
 453  ******************************************************************************/
 454
 455 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 456 {
 457         u32 length;
 458         u32 index;
 459
 460         ACPI_FUNCTION_NAME(ex_dump_operand)
 461
 462             if (!((ACPI_LV_EXEC & acpi_dbg_level)
 463                   && (_COMPONENT & acpi_dbg_layer))) {
 464                 return;
 465         }
 466
 467         if (!obj_desc) {
 468
 469                 /* This could be a null element of a package */
 470
 471                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
 472                 return;
 473         }
 474
 475         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
 476                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ",
 477                                   obj_desc));
 478                 ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC);
 479                 return;
 480         }
 481
 482         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
 483                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 484                                   "%p is not a node or operand object: [%s]\n",
 485                                   obj_desc,
 486                                   acpi_ut_get_descriptor_name(obj_desc)));
 487                 ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object));
 488                 return;
 489         }
 490
 491         /* obj_desc is a valid object */
 492
 493         if (depth > 0) {
 494                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ",
 495                                   depth, " ", depth, obj_desc));
 496         } else {
 497                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc));
 498         }
 499
 500         /* Decode object type */
 501
 502         switch (obj_desc->common.type) {
 503         case ACPI_TYPE_LOCAL_REFERENCE:
 504
 505                 acpi_os_printf("Reference: [%s] ",
 506                                acpi_ut_get_reference_name(obj_desc));
 507
 508                 switch (obj_desc->reference.class) {
 509                 case ACPI_REFCLASS_DEBUG:
 510
 511                         acpi_os_printf("\n");
 512                         break;
 513
 514                 case ACPI_REFCLASS_INDEX:
 515
 516                         acpi_os_printf("%p\n", obj_desc->reference.object);
 517                         break;
 518
 519                 case ACPI_REFCLASS_TABLE:
 520
 521                         acpi_os_printf("Table Index %X\n",
 522                                        obj_desc->reference.value);
 523                         break;
 524
 525                 case ACPI_REFCLASS_REFOF:
 526
 527                         acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
 528                                        acpi_ut_get_type_name(((union
 529                                                                acpi_operand_object
 530                                                                *)
 531                                                               obj_desc->
 532                                                               reference.
 533                                                               object)->common.
 534                                                              type));
 535                         break;
 536
 537                 case ACPI_REFCLASS_NAME:
 538
 539                         acpi_os_printf("- [%4.4s]\n",
 540                                        obj_desc->reference.node->name.ascii);
 541                         break;
 542
 543                 case ACPI_REFCLASS_ARG:
 544                 case ACPI_REFCLASS_LOCAL:
 545
 546                         acpi_os_printf("%X\n", obj_desc->reference.value);
 547                         break;
 548
 549                 default:        /* Unknown reference class */
 550
 551                         acpi_os_printf("%2.2X\n", obj_desc->reference.class);
 552                         break;
 553                 }
 554                 break;
 555
 556         case ACPI_TYPE_BUFFER:
 557
 558                 acpi_os_printf("Buffer length %.2X @ %p\n",
 559                                obj_desc->buffer.length,
 560                                obj_desc->buffer.pointer);
 561
 562                 /* Debug only -- dump the buffer contents */
 563
 564                 if (obj_desc->buffer.pointer) {
 565                         length = obj_desc->buffer.length;
 566                         if (length > 128) {
 567                                 length = 128;
 568                         }
 569
 570                         acpi_os_printf
 571                             ("Buffer Contents: (displaying length 0x%.2X)\n",
 572                              length);
 573                         ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
 574                 }
 575                 break;
 576
 577         case ACPI_TYPE_INTEGER:
 578
 579                 acpi_os_printf("Integer %8.8X%8.8X\n",
 580                                ACPI_FORMAT_UINT64(obj_desc->integer.value));
 581                 break;
 582
 583         case ACPI_TYPE_PACKAGE:
 584
 585                 acpi_os_printf("Package [Len %X] ElementArray %p\n",
 586                                obj_desc->package.count,
 587                                obj_desc->package.elements);
 588
 589                 /*
 590                  * If elements exist, package element pointer is valid,
 591                  * and debug_level exceeds 1, dump package's elements.
 592                  */
 593                 if (obj_desc->package.count &&
 594                     obj_desc->package.elements && acpi_dbg_level > 1) {
 595                         for (index = 0; index < obj_desc->package.count;
 596                              index++) {
 597                                 acpi_ex_dump_operand(obj_desc->package.
 598                                                      elements[index],
 599                                                      depth + 1);
 600                         }
 601                 }
 602                 break;
 603
 604         case ACPI_TYPE_REGION:
 605
 606                 acpi_os_printf("Region %s (%X)",
 607                                acpi_ut_get_region_name(obj_desc->region.
 608                                                        space_id),
 609                                obj_desc->region.space_id);
 610
 611                 /*
 612                  * If the address and length have not been evaluated,
 613                  * don't print them.
 614                  */
 615                 if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) {
 616                         acpi_os_printf("\n");
 617                 } else {
 618                         acpi_os_printf(" base %8.8X%8.8X Length %X\n",
 619                                        ACPI_FORMAT_NATIVE_UINT(obj_desc->region.
 620                                                                address),
 621                                        obj_desc->region.length);
 622                 }
 623                 break;
 624
 625         case ACPI_TYPE_STRING:
 626
 627                 acpi_os_printf("String length %X @ %p ",
 628                                obj_desc->string.length,
 629                                obj_desc->string.pointer);
 630
 631                 acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
 632                 acpi_os_printf("\n");
 633                 break;
 634
 635         case ACPI_TYPE_LOCAL_BANK_FIELD:
 636
 637                 acpi_os_printf("BankField\n");
 638                 break;
 639
 640         case ACPI_TYPE_LOCAL_REGION_FIELD:
 641
 642                 acpi_os_printf
 643                     ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at "
 644                      "byte=%X bit=%X of below:\n", obj_desc->field.bit_length,
 645                      obj_desc->field.access_byte_width,
 646                      obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
 647                      obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
 648                      obj_desc->field.base_byte_offset,
 649                      obj_desc->field.start_field_bit_offset);
 650
 651                 acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1);
 652                 break;
 653
 654         case ACPI_TYPE_LOCAL_INDEX_FIELD:
 655
 656                 acpi_os_printf("IndexField\n");
 657                 break;
 658
 659         case ACPI_TYPE_BUFFER_FIELD:
 660
 661                 acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
 662                                obj_desc->buffer_field.bit_length,
 663                                obj_desc->buffer_field.base_byte_offset,
 664                                obj_desc->buffer_field.start_field_bit_offset);
 665
 666                 if (!obj_desc->buffer_field.buffer_obj) {
 667                         ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n"));
 668                 } else if ((obj_desc->buffer_field.buffer_obj)->common.type !=
 669                            ACPI_TYPE_BUFFER) {
 670                         acpi_os_printf("*not a Buffer*\n");
 671                 } else {
 672                         acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj,
 673                                              depth + 1);
 674                 }
 675                 break;
 676
 677         case ACPI_TYPE_EVENT:
 678
 679                 acpi_os_printf("Event\n");
 680                 break;
 681
 682         case ACPI_TYPE_METHOD:
 683
 684                 acpi_os_printf("Method(%X) @ %p:%X\n",
 685                                obj_desc->method.param_count,
 686                                obj_desc->method.aml_start,
 687                                obj_desc->method.aml_length);
 688                 break;
 689
 690         case ACPI_TYPE_MUTEX:
 691
 692                 acpi_os_printf("Mutex\n");
 693                 break;
 694
 695         case ACPI_TYPE_DEVICE:
 696
 697                 acpi_os_printf("Device\n");
 698                 break;
 699
 700         case ACPI_TYPE_POWER:
 701
 702                 acpi_os_printf("Power\n");
 703                 break;
 704
 705         case ACPI_TYPE_PROCESSOR:
 706
 707                 acpi_os_printf("Processor\n");
 708                 break;
 709
 710         case ACPI_TYPE_THERMAL:
 711
 712                 acpi_os_printf("Thermal\n");
 713                 break;
 714
 715         default:
 716                 /* Unknown Type */
 717
 718                 acpi_os_printf("Unknown Type %X\n", obj_desc->common.type);
 719                 break;
 720         }
 721
 722         return;
 723 }
 724
 725 /*******************************************************************************
 726  *
 727  * FUNCTION:    acpi_ex_dump_operands
 728  *
 729  * PARAMETERS:  Operands            - A list of Operand objects
 730  *              opcode_name         - AML opcode name
 731  *              num_operands        - Operand count for this opcode
 732  *
 733  * DESCRIPTION: Dump the operands associated with the opcode
 734  *
 735  ******************************************************************************/
 736
 737 void
 738 acpi_ex_dump_operands(union acpi_operand_object **operands,
 739                       const char *opcode_name, u32 num_operands)
 740 {
 741         ACPI_FUNCTION_NAME(ex_dump_operands);
 742
 743         if (!opcode_name) {
 744                 opcode_name = "UNKNOWN";
 745         }
 746
 747         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 748                           "**** Start operand dump for opcode [%s], %u operands\n",
 749                           opcode_name, num_operands));
 750
 751         if (num_operands == 0) {
 752                 num_operands = 1;
 753         }
 754
 755         /* Dump the individual operands */
 756
 757         while (num_operands) {
 758                 acpi_ex_dump_operand(*operands, 0);
 759                 operands++;
 760                 num_operands--;
 761         }
 762
 763         ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 764                           "**** End operand dump for [%s]\n", opcode_name));
 765         return;
 766 }
 767
 768 /*******************************************************************************
 769  *
 770  * FUNCTION:    acpi_ex_out* functions
 771  *
 772  * PARAMETERS:  Title               - Descriptive text
 773  *              Value               - Value to be displayed
 774  *
 775  * DESCRIPTION: Object dump output formatting functions.  These functions
 776  *              reduce the number of format strings required and keeps them
 777  *              all in one place for easy modification.
 778  *
 779  ******************************************************************************/
 780
 781 static void acpi_ex_out_string(char *title, char *value)
 782 {
 783         acpi_os_printf("%20s : %s\n", title, value);
 784 }
 785
 786 static void acpi_ex_out_pointer(char *title, void *value)
 787 {
 788         acpi_os_printf("%20s : %p\n", title, value);
 789 }
 790
 791 /*******************************************************************************
 792  *
 793  * FUNCTION:    acpi_ex_dump_namespace_node
 794  *
 795  * PARAMETERS:  Node                - Descriptor to dump
 796  *              Flags               - Force display if TRUE
 797  *
 798  * DESCRIPTION: Dumps the members of the given.Node
 799  *
 800  ******************************************************************************/
 801
 802 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
 803 {
 804
 805         ACPI_FUNCTION_ENTRY();
 806
 807         if (!flags) {
 808                 if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 809                       && (_COMPONENT & acpi_dbg_layer))) {
 810                         return;
 811                 }
 812         }
 813
 814         acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node));
 815         acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
 816         acpi_ex_out_pointer("Attached Object",
 817                             acpi_ns_get_attached_object(node));
 818         acpi_ex_out_pointer("Parent", node->parent);
 819
 820         acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
 821                             acpi_ex_dump_node);
 822 }
 823
 824 /*******************************************************************************
 825  *
 826  * FUNCTION:    acpi_ex_dump_reference_obj
 827  *
 828  * PARAMETERS:  Object              - Descriptor to dump
 829  *
 830  * DESCRIPTION: Dumps a reference object
 831  *
 832  ******************************************************************************/
 833
 834 static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
 835 {
 836         struct acpi_buffer ret_buf;
 837         acpi_status status;
 838
 839         ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
 840
 841         if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
 842                 acpi_os_printf(" %p ", obj_desc->reference.node);
 843
 844                 status =
 845                     acpi_ns_handle_to_pathname(obj_desc->reference.node,
 846                                                &ret_buf);
 847                 if (ACPI_FAILURE(status)) {
 848                         acpi_os_printf(" Could not convert name to pathname\n");
 849                 } else {
 850                         acpi_os_printf("%s\n", (char *)ret_buf.pointer);
 851                         ACPI_FREE(ret_buf.pointer);
 852                 }
 853         } else if (obj_desc->reference.object) {
 854                 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
 855                     ACPI_DESC_TYPE_OPERAND) {
 856                         acpi_os_printf(" Target: %p",
 857                                        obj_desc->reference.object);
 858                         if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
 859                                 acpi_os_printf(" Table Index: %X\n",
 860                                                obj_desc->reference.value);
 861                         } else {
 862                                 acpi_os_printf(" Target: %p [%s]\n",
 863                                                obj_desc->reference.object,
 864                                                acpi_ut_get_type_name(((union
 865                                                                        acpi_operand_object
 866                                                                        *)
 867                                                                       obj_desc->
 868                                                                       reference.
 869                                                                       object)->
 870                                                                      common.
 871                                                                      type));
 872                         }
 873                 } else {
 874                         acpi_os_printf(" Target: %p\n",
 875                                        obj_desc->reference.object);
 876                 }
 877         }
 878 }
 879
 880 /*******************************************************************************
 881  *
 882  * FUNCTION:    acpi_ex_dump_package_obj
 883  *
 884  * PARAMETERS:  obj_desc            - Descriptor to dump
 885  *              Level               - Indentation Level
 886  *              Index               - Package index for this object
 887  *
 888  * DESCRIPTION: Dumps the elements of the package
 889  *
 890  ******************************************************************************/
 891
 892 static void
 893 acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
 894                          u32 level, u32 index)
 895 {
 896         u32 i;
 897
 898         /* Indentation and index output */
 899
 900         if (level > 0) {
 901                 for (i = 0; i < level; i++) {
 902                         acpi_os_printf(" ");
 903                 }
 904
 905                 acpi_os_printf("[%.2d] ", index);
 906         }
 907
 908         acpi_os_printf("%p ", obj_desc);
 909
 910         /* Null package elements are allowed */
 911
 912         if (!obj_desc) {
 913                 acpi_os_printf("[Null Object]\n");
 914                 return;
 915         }
 916
 917         /* Packages may only contain a few object types */
 918
 919         switch (obj_desc->common.type) {
 920         case ACPI_TYPE_INTEGER:
 921
 922                 acpi_os_printf("[Integer] = %8.8X%8.8X\n",
 923                                ACPI_FORMAT_UINT64(obj_desc->integer.value));
 924                 break;
 925
 926         case ACPI_TYPE_STRING:
 927
 928                 acpi_os_printf("[String] Value: ");
 929                 for (i = 0; i < obj_desc->string.length; i++) {
 930                         acpi_os_printf("%c", obj_desc->string.pointer[i]);
 931                 }
 932                 acpi_os_printf("\n");
 933                 break;
 934
 935         case ACPI_TYPE_BUFFER:
 936
 937                 acpi_os_printf("[Buffer] Length %.2X = ",
 938                                obj_desc->buffer.length);
 939                 if (obj_desc->buffer.length) {
 940                         acpi_ut_dump_buffer(ACPI_CAST_PTR
 941                                             (u8, obj_desc->buffer.pointer),
 942                                             obj_desc->buffer.length,
 943                                             DB_DWORD_DISPLAY, _COMPONENT);
 944                 } else {
 945                         acpi_os_printf("\n");
 946                 }
 947                 break;
 948
 949         case ACPI_TYPE_PACKAGE:
 950
 951                 acpi_os_printf("[Package] Contains %u Elements:\n",
 952                                obj_desc->package.count);
 953
 954                 for (i = 0; i < obj_desc->package.count; i++) {
 955                         acpi_ex_dump_package_obj(obj_desc->package.elements[i],
 956                                                  level + 1, i);
 957                 }
 958                 break;
 959
 960         case ACPI_TYPE_LOCAL_REFERENCE:
 961
 962                 acpi_os_printf("[Object Reference] Type [%s] %2.2X",
 963                                acpi_ut_get_reference_name(obj_desc),
 964                                obj_desc->reference.class);
 965                 acpi_ex_dump_reference_obj(obj_desc);
 966                 break;
 967
 968         default:
 969
 970                 acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
 971                 break;
 972         }
 973 }
 974
 975 /*******************************************************************************
 976  *
 977  * FUNCTION:    acpi_ex_dump_object_descriptor
 978  *
 979  * PARAMETERS:  obj_desc            - Descriptor to dump
 980  *              Flags               - Force display if TRUE
 981  *
 982  * DESCRIPTION: Dumps the members of the object descriptor given.
 983  *
 984  ******************************************************************************/
 985
 986 void
 987 acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
 988 {
 989         ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
 990
 991         if (!obj_desc) {
 992                 return_VOID;
 993         }
 994
 995         if (!flags) {
 996                 if (!((ACPI_LV_OBJECTS & acpi_dbg_level)
 997                       && (_COMPONENT & acpi_dbg_layer))) {
 998                         return_VOID;
 999                 }
1000         }
1001
1002         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
1003                 acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
1004                                             obj_desc, flags);
1005
1006                 acpi_os_printf("\nAttached Object (%p):\n",
1007                                ((struct acpi_namespace_node *)obj_desc)->
1008                                object);
1009
1010                 acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *)
1011                                                 obj_desc)->object, flags);
1012                 return_VOID;
1013         }
1014
1015         if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
1016                 acpi_os_printf
1017                     ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
1018                      obj_desc, acpi_ut_get_descriptor_name(obj_desc));
1019                 return_VOID;
1020         }
1021
1022         if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
1023                 return_VOID;
1024         }
1025
1026         /* Common Fields */
1027
1028         acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
1029
1030         /* Object-specific fields */
1031
1032         acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]);
1033         return_VOID;
1034 }
1035
1036 #endif