1/****************************************************************************** 2 * 3 * Module Name: utglobal - Global variables for the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2007, R. Byron Moore 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#define DEFINE_ACPI_GLOBALS 45 46#include <acpi/acpi.h> 47#include <acpi/acnamesp.h> 48 49ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) 50#define _COMPONENT ACPI_UTILITIES 51 ACPI_MODULE_NAME("utglobal") 52 53/******************************************************************************* 54 * 55 * Static global variable initialization. 56 * 57 ******************************************************************************/ 58/* 59 * We want the debug switches statically initialized so they 60 * are already set when the debugger is entered. 61 */ 62/* Debug switch - level and trace mask */ 63u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; 64 65/* Debug switch - layer (component) mask */ 66 67u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; 68u32 acpi_gbl_nesting_level = 0; 69 70/* Debugger globals */ 71 72u8 acpi_gbl_db_terminate_threads = FALSE; 73u8 acpi_gbl_abort_method = FALSE; 74u8 acpi_gbl_method_executing = FALSE; 75 76/* System flags */ 77 78u32 acpi_gbl_startup_flags = 0; 79 80/* System starts uninitialized */ 81 82u8 acpi_gbl_shutdown = TRUE; 83 84const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { 85 "\\_S0_", 86 "\\_S1_", 87 "\\_S2_", 88 "\\_S3_", 89 "\\_S4_", 90 "\\_S5_" 91}; 92 93const char *acpi_gbl_highest_dstate_names[4] = { 94 "_S1D", 95 "_S2D", 96 "_S3D", 97 "_S4D" 98}; 99 100/******************************************************************************* 101 * 102 * FUNCTION: acpi_format_exception 103 * 104 * PARAMETERS: Status - The acpi_status code to be formatted 105 * 106 * RETURN: A string containing the exception text. A valid pointer is 107 * always returned. 108 * 109 * DESCRIPTION: This function translates an ACPI exception into an ASCII string 110 * It is here instead of utxface.c so it is always present. 111 * 112 ******************************************************************************/ 113 114const char *acpi_format_exception(acpi_status status) 115{ 116 const char *exception = NULL; 117 118 ACPI_FUNCTION_ENTRY(); 119 120 exception = acpi_ut_validate_exception(status); 121 if (!exception) { 122 123 /* Exception code was not recognized */ 124 125 ACPI_ERROR((AE_INFO, 126 "Unknown exception code: 0x%8.8X", status)); 127 128 exception = "UNKNOWN_STATUS_CODE"; 129 } 130 131 return (ACPI_CAST_PTR(const char, exception)); 132} 133 134ACPI_EXPORT_SYMBOL(acpi_format_exception) 135 136/******************************************************************************* 137 * 138 * Namespace globals 139 * 140 ******************************************************************************/ 141/* 142 * Predefined ACPI Names (Built-in to the Interpreter) 143 * 144 * NOTES: 145 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 146 * during the initialization sequence. 147 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 148 * perform a Notify() operation on it. 149 */ 150const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { 151 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 152 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 153 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 154 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 155 {"_TZ_", ACPI_TYPE_THERMAL, NULL}, 156 {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, 157 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 158 {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, 159 160#if !defined(ACPI_NO_METHOD_EXECUTION) || defined(ACPI_CONSTANT_EVAL_ONLY) 161 {"_OSI", ACPI_TYPE_METHOD, (char *)1}, 162#endif 163 164 /* Table terminator */ 165 166 {NULL, ACPI_TYPE_ANY, NULL} 167}; 168 169/* 170 * Properties of the ACPI Object Types, both internal and external. 171 * The table is indexed by values of acpi_object_type 172 */ 173const u8 acpi_gbl_ns_properties[] = { 174 ACPI_NS_NORMAL, /* 00 Any */ 175 ACPI_NS_NORMAL, /* 01 Number */ 176 ACPI_NS_NORMAL, /* 02 String */ 177 ACPI_NS_NORMAL, /* 03 Buffer */ 178 ACPI_NS_NORMAL, /* 04 Package */ 179 ACPI_NS_NORMAL, /* 05 field_unit */ 180 ACPI_NS_NEWSCOPE, /* 06 Device */ 181 ACPI_NS_NORMAL, /* 07 Event */ 182 ACPI_NS_NEWSCOPE, /* 08 Method */ 183 ACPI_NS_NORMAL, /* 09 Mutex */ 184 ACPI_NS_NORMAL, /* 10 Region */ 185 ACPI_NS_NEWSCOPE, /* 11 Power */ 186 ACPI_NS_NEWSCOPE, /* 12 Processor */ 187 ACPI_NS_NEWSCOPE, /* 13 Thermal */ 188 ACPI_NS_NORMAL, /* 14 buffer_field */ 189 ACPI_NS_NORMAL, /* 15 ddb_handle */ 190 ACPI_NS_NORMAL, /* 16 Debug Object */ 191 ACPI_NS_NORMAL, /* 17 def_field */ 192 ACPI_NS_NORMAL, /* 18 bank_field */ 193 ACPI_NS_NORMAL, /* 19 index_field */ 194 ACPI_NS_NORMAL, /* 20 Reference */ 195 ACPI_NS_NORMAL, /* 21 Alias */ 196 ACPI_NS_NORMAL, /* 22 method_alias */ 197 ACPI_NS_NORMAL, /* 23 Notify */ 198 ACPI_NS_NORMAL, /* 24 Address Handler */ 199 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ 200 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ 201 ACPI_NS_NEWSCOPE, /* 27 Scope */ 202 ACPI_NS_NORMAL, /* 28 Extra */ 203 ACPI_NS_NORMAL, /* 29 Data */ 204 ACPI_NS_NORMAL /* 30 Invalid */ 205}; 206 207/* Hex to ASCII conversion table */ 208 209static const char acpi_gbl_hex_to_ascii[] = { 210 '0', '1', '2', '3', '4', '5', '6', '7', 211 '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' 212}; 213 214/******************************************************************************* 215 * 216 * FUNCTION: acpi_ut_hex_to_ascii_char 217 * 218 * PARAMETERS: Integer - Contains the hex digit 219 * Position - bit position of the digit within the 220 * integer (multiple of 4) 221 * 222 * RETURN: The converted Ascii character 223 * 224 * DESCRIPTION: Convert a hex digit to an Ascii character 225 * 226 ******************************************************************************/ 227 228char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) 229{ 230 231 return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); 232} 233 234/****************************************************************************** 235 * 236 * Event and Hardware globals 237 * 238 ******************************************************************************/ 239 240struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { 241 /* Name Parent Register Register Bit Position Register Bit Mask */ 242 243 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 244 ACPI_BITPOSITION_TIMER_STATUS, 245 ACPI_BITMASK_TIMER_STATUS}, 246 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 247 ACPI_BITPOSITION_BUS_MASTER_STATUS, 248 ACPI_BITMASK_BUS_MASTER_STATUS}, 249 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 250 ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, 251 ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 252 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 253 ACPI_BITPOSITION_POWER_BUTTON_STATUS, 254 ACPI_BITMASK_POWER_BUTTON_STATUS}, 255 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 256 ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, 257 ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 258 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 259 ACPI_BITPOSITION_RT_CLOCK_STATUS, 260 ACPI_BITMASK_RT_CLOCK_STATUS}, 261 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 262 ACPI_BITPOSITION_WAKE_STATUS, 263 ACPI_BITMASK_WAKE_STATUS}, 264 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 265 ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, 266 ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 267 268 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 269 ACPI_BITPOSITION_TIMER_ENABLE, 270 ACPI_BITMASK_TIMER_ENABLE}, 271 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 272 ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, 273 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 274 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 275 ACPI_BITPOSITION_POWER_BUTTON_ENABLE, 276 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 277 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 278 ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, 279 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 280 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 281 ACPI_BITPOSITION_RT_CLOCK_ENABLE, 282 ACPI_BITMASK_RT_CLOCK_ENABLE}, 283 /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, 284 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, 285 ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, 286 ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 287 288 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 289 ACPI_BITPOSITION_SCI_ENABLE, 290 ACPI_BITMASK_SCI_ENABLE}, 291 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, 292 ACPI_BITPOSITION_BUS_MASTER_RLD, 293 ACPI_BITMASK_BUS_MASTER_RLD}, 294 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, 295 ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, 296 ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 297 /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, 298 ACPI_BITPOSITION_SLEEP_TYPE_X, 299 ACPI_BITMASK_SLEEP_TYPE_X}, 300 /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, 301 ACPI_BITPOSITION_SLEEP_TYPE_X, 302 ACPI_BITMASK_SLEEP_TYPE_X}, 303 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 304 ACPI_BITPOSITION_SLEEP_ENABLE, 305 ACPI_BITMASK_SLEEP_ENABLE}, 306 307 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, 308 ACPI_BITPOSITION_ARB_DISABLE, 309 ACPI_BITMASK_ARB_DISABLE} 310}; 311 312struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { 313 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, 314 ACPI_BITREG_TIMER_ENABLE, 315 ACPI_BITMASK_TIMER_STATUS, 316 ACPI_BITMASK_TIMER_ENABLE}, 317 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, 318 ACPI_BITREG_GLOBAL_LOCK_ENABLE, 319 ACPI_BITMASK_GLOBAL_LOCK_STATUS, 320 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 321 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, 322 ACPI_BITREG_POWER_BUTTON_ENABLE, 323 ACPI_BITMASK_POWER_BUTTON_STATUS, 324 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 325 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, 326 ACPI_BITREG_SLEEP_BUTTON_ENABLE, 327 ACPI_BITMASK_SLEEP_BUTTON_STATUS, 328 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 329 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, 330 ACPI_BITREG_RT_CLOCK_ENABLE, 331 ACPI_BITMASK_RT_CLOCK_STATUS, 332 ACPI_BITMASK_RT_CLOCK_ENABLE}, 333}; 334 335/******************************************************************************* 336 * 337 * FUNCTION: acpi_ut_get_region_name 338 * 339 * PARAMETERS: None. 340 * 341 * RETURN: Status 342 * 343 * DESCRIPTION: Translate a Space ID into a name string (Debug only) 344 * 345 ******************************************************************************/ 346 347/* Region type decoding */ 348 349const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { 350 "SystemMemory", 351 "SystemIO", 352 "PCI_Config", 353 "EmbeddedControl", 354 "SMBus", 355 "CMOS", 356 "PCIBARTarget", 357 "DataTable" 358}; 359 360char *acpi_ut_get_region_name(u8 space_id) 361{ 362 363 if (space_id >= ACPI_USER_REGION_BEGIN) { 364 return ("UserDefinedRegion"); 365 } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { 366 return ("InvalidSpaceId"); 367 } 368 369 return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); 370} 371 372/******************************************************************************* 373 * 374 * FUNCTION: acpi_ut_get_event_name 375 * 376 * PARAMETERS: None. 377 * 378 * RETURN: Status 379 * 380 * DESCRIPTION: Translate a Event ID into a name string (Debug only) 381 * 382 ******************************************************************************/ 383 384/* Event type decoding */ 385 386static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { 387 "PM_Timer", 388 "GlobalLock", 389 "PowerButton", 390 "SleepButton", 391 "RealTimeClock", 392}; 393 394char *acpi_ut_get_event_name(u32 event_id) 395{ 396 397 if (event_id > ACPI_EVENT_MAX) { 398 return ("InvalidEventID"); 399 } 400 401 return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); 402} 403 404/******************************************************************************* 405 * 406 * FUNCTION: acpi_ut_get_type_name 407 * 408 * PARAMETERS: None. 409 * 410 * RETURN: Status 411 * 412 * DESCRIPTION: Translate a Type ID into a name string (Debug only) 413 * 414 ******************************************************************************/ 415 416/* 417 * Elements of acpi_gbl_ns_type_names below must match 418 * one-to-one with values of acpi_object_type 419 * 420 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; 421 * when stored in a table it really means that we have thus far seen no 422 * evidence to indicate what type is actually going to be stored for this entry. 423 */ 424static const char acpi_gbl_bad_type[] = "UNDEFINED"; 425 426/* Printable names of the ACPI object types */ 427 428static const char *acpi_gbl_ns_type_names[] = { 429 /* 00 */ "Untyped", 430 /* 01 */ "Integer", 431 /* 02 */ "String", 432 /* 03 */ "Buffer", 433 /* 04 */ "Package", 434 /* 05 */ "FieldUnit", 435 /* 06 */ "Device", 436 /* 07 */ "Event", 437 /* 08 */ "Method", 438 /* 09 */ "Mutex", 439 /* 10 */ "Region", 440 /* 11 */ "Power", 441 /* 12 */ "Processor", 442 /* 13 */ "Thermal", 443 /* 14 */ "BufferField", 444 /* 15 */ "DdbHandle", 445 /* 16 */ "DebugObject", 446 /* 17 */ "RegionField", 447 /* 18 */ "BankField", 448 /* 19 */ "IndexField", 449 /* 20 */ "Reference", 450 /* 21 */ "Alias", 451 /* 22 */ "MethodAlias", 452 /* 23 */ "Notify", 453 /* 24 */ "AddrHandler", 454 /* 25 */ "ResourceDesc", 455 /* 26 */ "ResourceFld", 456 /* 27 */ "Scope", 457 /* 28 */ "Extra", 458 /* 29 */ "Data", 459 /* 30 */ "Invalid" 460}; 461 462char *acpi_ut_get_type_name(acpi_object_type type) 463{ 464 465 if (type > ACPI_TYPE_INVALID) { 466 return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); 467 } 468 469 return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); 470} 471 472char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) 473{ 474 475 if (!obj_desc) { 476 return ("[NULL Object Descriptor]"); 477 } 478 479 return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); 480} 481 482/******************************************************************************* 483 * 484 * FUNCTION: acpi_ut_get_node_name 485 * 486 * PARAMETERS: Object - A namespace node 487 * 488 * RETURN: Pointer to a string 489 * 490 * DESCRIPTION: Validate the node and return the node's ACPI name. 491 * 492 ******************************************************************************/ 493 494char *acpi_ut_get_node_name(void *object) 495{ 496 struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; 497 498 /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ 499 500 if (!object) { 501 return ("NULL"); 502 } 503 504 /* Check for Root node */ 505 506 if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { 507 return ("\"\\\" "); 508 } 509 510 /* Descriptor must be a namespace node */ 511 512 if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { 513 return ("####"); 514 } 515 516 /* Name must be a valid ACPI name */ 517 518 if (!acpi_ut_valid_acpi_name(node->name.integer)) { 519 node->name.integer = acpi_ut_repair_name(node->name.ascii); 520 } 521 522 /* Return the name */ 523 524 return (node->name.ascii); 525} 526 527/******************************************************************************* 528 * 529 * FUNCTION: acpi_ut_get_descriptor_name 530 * 531 * PARAMETERS: Object - An ACPI object 532 * 533 * RETURN: Pointer to a string 534 * 535 * DESCRIPTION: Validate object and return the descriptor type 536 * 537 ******************************************************************************/ 538 539/* Printable names of object descriptor types */ 540 541static const char *acpi_gbl_desc_type_names[] = { 542 /* 00 */ "Invalid", 543 /* 01 */ "Cached", 544 /* 02 */ "State-Generic", 545 /* 03 */ "State-Update", 546 /* 04 */ "State-Package", 547 /* 05 */ "State-Control", 548 /* 06 */ "State-RootParseScope", 549 /* 07 */ "State-ParseScope", 550 /* 08 */ "State-WalkScope", 551 /* 09 */ "State-Result", 552 /* 10 */ "State-Notify", 553 /* 11 */ "State-Thread", 554 /* 12 */ "Walk", 555 /* 13 */ "Parser", 556 /* 14 */ "Operand", 557 /* 15 */ "Node" 558}; 559 560char *acpi_ut_get_descriptor_name(void *object) 561{ 562 563 if (!object) { 564 return ("NULL OBJECT"); 565 } 566 567 if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { 568 return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); 569 } 570 571 return (ACPI_CAST_PTR(char, 572 acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE 573 (object)])); 574 575} 576 577#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 578/* 579 * Strings and procedures used for debug only 580 */ 581 582/******************************************************************************* 583 * 584 * FUNCTION: acpi_ut_get_mutex_name 585 * 586 * PARAMETERS: mutex_id - The predefined ID for this mutex. 587 * 588 * RETURN: String containing the name of the mutex. Always returns a valid 589 * pointer. 590 * 591 * DESCRIPTION: Translate a mutex ID into a name string (Debug only) 592 * 593 ******************************************************************************/ 594 595char *acpi_ut_get_mutex_name(u32 mutex_id) 596{ 597 598 if (mutex_id > ACPI_MAX_MUTEX) { 599 return ("Invalid Mutex ID"); 600 } 601 602 return (acpi_gbl_mutex_names[mutex_id]); 603} 604#endif 605 606/******************************************************************************* 607 * 608 * FUNCTION: acpi_ut_valid_object_type 609 * 610 * PARAMETERS: Type - Object type to be validated 611 * 612 * RETURN: TRUE if valid object type, FALSE otherwise 613 * 614 * DESCRIPTION: Validate an object type 615 * 616 ******************************************************************************/ 617 618u8 acpi_ut_valid_object_type(acpi_object_type type) 619{ 620 621 if (type > ACPI_TYPE_LOCAL_MAX) { 622 623 /* Note: Assumes all TYPEs are contiguous (external/local) */ 624 625 return (FALSE); 626 } 627 628 return (TRUE); 629} 630 631/******************************************************************************* 632 * 633 * FUNCTION: acpi_ut_init_globals 634 * 635 * PARAMETERS: None 636 * 637 * RETURN: None 638 * 639 * DESCRIPTION: Init library globals. All globals that require specific 640 * initialization should be initialized here! 641 * 642 ******************************************************************************/ 643 644void acpi_ut_init_globals(void) 645{ 646 acpi_status status; 647 u32 i; 648 649 ACPI_FUNCTION_TRACE(ut_init_globals); 650 651 /* Create all memory caches */ 652 653 status = acpi_ut_create_caches(); 654 if (ACPI_FAILURE(status)) { 655 return; 656 } 657 658 /* Mutex locked flags */ 659 660 for (i = 0; i < ACPI_NUM_MUTEX; i++) { 661 acpi_gbl_mutex_info[i].mutex = NULL; 662 acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; 663 acpi_gbl_mutex_info[i].use_count = 0; 664 } 665 666 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { 667 acpi_gbl_owner_id_mask[i] = 0; 668 } 669 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ 670 671 /* GPE support */ 672 673 acpi_gpe_count = 0; 674 acpi_gbl_gpe_xrupt_list_head = NULL; 675 acpi_gbl_gpe_fadt_blocks[0] = NULL; 676 acpi_gbl_gpe_fadt_blocks[1] = NULL; 677 678 /* Global notify handlers */ 679 680 acpi_gbl_system_notify.handler = NULL; 681 acpi_gbl_device_notify.handler = NULL; 682 acpi_gbl_exception_handler = NULL; 683 acpi_gbl_init_handler = NULL; 684 685 /* Global Lock support */ 686 687 acpi_gbl_global_lock_semaphore = NULL; 688 acpi_gbl_global_lock_mutex = NULL; 689 acpi_gbl_global_lock_acquired = FALSE; 690 acpi_gbl_global_lock_handle = 0; 691 692 /* Miscellaneous variables */ 693 694 acpi_gbl_cm_single_step = FALSE; 695 acpi_gbl_db_terminate_threads = FALSE; 696 acpi_gbl_shutdown = FALSE; 697 acpi_gbl_ns_lookup_count = 0; 698 acpi_gbl_ps_find_count = 0; 699 acpi_gbl_acpi_hardware_present = TRUE; 700 acpi_gbl_last_owner_id_index = 0; 701 acpi_gbl_next_owner_id_offset = 0; 702 acpi_gbl_trace_method_name = 0; 703 acpi_gbl_trace_dbg_level = 0; 704 acpi_gbl_trace_dbg_layer = 0; 705 acpi_gbl_debugger_configuration = DEBUGGER_THREADING; 706 acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; 707 708 /* Hardware oriented */ 709 710 acpi_gbl_events_initialized = FALSE; 711 acpi_gbl_system_awake_and_running = TRUE; 712 713 /* Namespace */ 714 715 acpi_gbl_root_node = NULL; 716 acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; 717 acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; 718 acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; 719 acpi_gbl_root_node_struct.child = NULL; 720 acpi_gbl_root_node_struct.peer = NULL; 721 acpi_gbl_root_node_struct.object = NULL; 722 acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; 723 724#ifdef ACPI_DEBUG_OUTPUT 725 acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; 726#endif 727 728#ifdef ACPI_DBG_TRACK_ALLOCATIONS 729 acpi_gbl_display_final_mem_stats = FALSE; 730#endif 731 732 return_VOID; 733} 734 735ACPI_EXPORT_SYMBOL(acpi_dbg_level) 736 ACPI_EXPORT_SYMBOL(acpi_dbg_layer) 737 ACPI_EXPORT_SYMBOL(acpi_gpe_count) 738