1 /****************************************************************************** 2 * 3 * Module Name: utglobal - Global variables for the ACPI subsystem 4 * $Revision: 1.242 $ 5 * 6 *****************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 #define __UTGLOBAL_C__ 118 #define DEFINE_ACPI_GLOBALS 119 120 #include "acpi.h" 121 #include "acnamesp.h" 122 123 #define _COMPONENT ACPI_UTILITIES 124 ACPI_MODULE_NAME ("utglobal") 125 126 127 /******************************************************************************* 128 * 129 * FUNCTION: AcpiFormatException 130 * 131 * PARAMETERS: Status - The ACPI_STATUS code to be formatted 132 * 133 * RETURN: A string containing the exception text. A valid pointer is 134 * always returned. 135 * 136 * DESCRIPTION: This function translates an ACPI exception into an ASCII string. 137 * 138 ******************************************************************************/ 139 140 const char * 141 AcpiFormatException ( 142 ACPI_STATUS Status) 143 { 144 ACPI_STATUS SubStatus; 145 const char *Exception = NULL; 146 147 148 ACPI_FUNCTION_ENTRY (); 149 150 151 /* 152 * Status is composed of two parts, a "type" and an actual code 153 */ 154 SubStatus = (Status & ~AE_CODE_MASK); 155 156 switch (Status & AE_CODE_MASK) 157 { 158 case AE_CODE_ENVIRONMENTAL: 159 160 if (SubStatus <= AE_CODE_ENV_MAX) 161 { 162 Exception = AcpiGbl_ExceptionNames_Env [SubStatus]; 163 } 164 break; 165 166 case AE_CODE_PROGRAMMER: 167 168 if (SubStatus <= AE_CODE_PGM_MAX) 169 { 170 Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1]; 171 } 172 break; 173 174 case AE_CODE_ACPI_TABLES: 175 176 if (SubStatus <= AE_CODE_TBL_MAX) 177 { 178 Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1]; 179 } 180 break; 181 182 case AE_CODE_AML: 183 184 if (SubStatus <= AE_CODE_AML_MAX) 185 { 186 Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1]; 187 } 188 break; 189 190 case AE_CODE_CONTROL: 191 192 if (SubStatus <= AE_CODE_CTRL_MAX) 193 { 194 Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1]; 195 } 196 break; 197 198 default: 199 break; 200 } 201 202 if (!Exception) 203 { 204 /* Exception code was not recognized */ 205 206 ACPI_ERROR ((AE_INFO, 207 "Unknown exception code: 0x%8.8X", Status)); 208 209 Exception = "UNKNOWN_STATUS_CODE"; 210 } 211 212 return (ACPI_CAST_PTR (const char, Exception)); 213 } 214 215 216 /******************************************************************************* 217 * 218 * Static global variable initialization. 219 * 220 ******************************************************************************/ 221 222 /* 223 * We want the debug switches statically initialized so they 224 * are already set when the debugger is entered. 225 */ 226 227 /* Debug switch - level and trace mask */ 228 229 #ifdef ACPI_DEBUG_OUTPUT 230 UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 231 #else 232 UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT; 233 #endif 234 235 /* Debug switch - layer (component) mask */ 236 237 UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT; 238 UINT32 AcpiGbl_NestingLevel = 0; 239 240 /* Debugger globals */ 241 242 BOOLEAN AcpiGbl_DbTerminateThreads = FALSE; 243 BOOLEAN AcpiGbl_AbortMethod = FALSE; 244 BOOLEAN AcpiGbl_MethodExecuting = FALSE; 245 246 /* System flags */ 247 248 UINT32 AcpiGbl_StartupFlags = 0; 249 250 /* System starts uninitialized */ 251 252 BOOLEAN AcpiGbl_Shutdown = TRUE; 253 254 const UINT8 AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128}; 255 256 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] = 257 { 258 "\\_S0_", 259 "\\_S1_", 260 "\\_S2_", 261 "\\_S3_", 262 "\\_S4_", 263 "\\_S5_" 264 }; 265 266 const char *AcpiGbl_HighestDstateNames[4] = 267 { 268 "_S1D", 269 "_S2D", 270 "_S3D", 271 "_S4D" 272 }; 273 274 275 /******************************************************************************* 276 * 277 * Namespace globals 278 * 279 ******************************************************************************/ 280 281 /* 282 * Predefined ACPI Names (Built-in to the Interpreter) 283 * 284 * NOTES: 285 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 286 * during the initialization sequence. 287 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 288 * perform a Notify() operation on it. 289 */ 290 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] = 291 { 292 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 293 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 294 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 295 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 296 {"_TZ_", ACPI_TYPE_THERMAL, NULL}, 297 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, 298 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 299 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, 300 301 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 302 {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, 303 #endif 304 305 /* Table terminator */ 306 307 {NULL, ACPI_TYPE_ANY, NULL} 308 }; 309 310 /* 311 * Properties of the ACPI Object Types, both internal and external. 312 * The table is indexed by values of ACPI_OBJECT_TYPE 313 */ 314 const UINT8 AcpiGbl_NsProperties[] = 315 { 316 ACPI_NS_NORMAL, /* 00 Any */ 317 ACPI_NS_NORMAL, /* 01 Number */ 318 ACPI_NS_NORMAL, /* 02 String */ 319 ACPI_NS_NORMAL, /* 03 Buffer */ 320 ACPI_NS_NORMAL, /* 04 Package */ 321 ACPI_NS_NORMAL, /* 05 FieldUnit */ 322 ACPI_NS_NEWSCOPE, /* 06 Device */ 323 ACPI_NS_NORMAL, /* 07 Event */ 324 ACPI_NS_NEWSCOPE, /* 08 Method */ 325 ACPI_NS_NORMAL, /* 09 Mutex */ 326 ACPI_NS_NORMAL, /* 10 Region */ 327 ACPI_NS_NEWSCOPE, /* 11 Power */ 328 ACPI_NS_NEWSCOPE, /* 12 Processor */ 329 ACPI_NS_NEWSCOPE, /* 13 Thermal */ 330 ACPI_NS_NORMAL, /* 14 BufferField */ 331 ACPI_NS_NORMAL, /* 15 DdbHandle */ 332 ACPI_NS_NORMAL, /* 16 Debug Object */ 333 ACPI_NS_NORMAL, /* 17 DefField */ 334 ACPI_NS_NORMAL, /* 18 BankField */ 335 ACPI_NS_NORMAL, /* 19 IndexField */ 336 ACPI_NS_NORMAL, /* 20 Reference */ 337 ACPI_NS_NORMAL, /* 21 Alias */ 338 ACPI_NS_NORMAL, /* 22 MethodAlias */ 339 ACPI_NS_NORMAL, /* 23 Notify */ 340 ACPI_NS_NORMAL, /* 24 Address Handler */ 341 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ 342 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ 343 ACPI_NS_NEWSCOPE, /* 27 Scope */ 344 ACPI_NS_NORMAL, /* 28 Extra */ 345 ACPI_NS_NORMAL, /* 29 Data */ 346 ACPI_NS_NORMAL /* 30 Invalid */ 347 }; 348 349 350 /* Hex to ASCII conversion table */ 351 352 static const char AcpiGbl_HexToAscii[] = 353 { 354 '0','1','2','3','4','5','6','7', 355 '8','9','A','B','C','D','E','F' 356 }; 357 358 359 /******************************************************************************* 360 * 361 * FUNCTION: AcpiUtHexToAsciiChar 362 * 363 * PARAMETERS: Integer - Contains the hex digit 364 * Position - bit position of the digit within the 365 * integer (multiple of 4) 366 * 367 * RETURN: The converted Ascii character 368 * 369 * DESCRIPTION: Convert a hex digit to an Ascii character 370 * 371 ******************************************************************************/ 372 373 char 374 AcpiUtHexToAsciiChar ( 375 ACPI_INTEGER Integer, 376 UINT32 Position) 377 { 378 379 return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]); 380 } 381 382 383 /******************************************************************************* 384 * 385 * Table name globals 386 * 387 * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. 388 * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables 389 * that are not used by the subsystem are simply ignored. 390 * 391 * Do NOT add any table to this list that is not consumed directly by this 392 * subsystem (No MADT, ECDT, SBST, etc.) 393 * 394 ******************************************************************************/ 395 396 ACPI_TABLE_LIST AcpiGbl_TableLists[ACPI_TABLE_ID_MAX+1]; 397 398 ACPI_TABLE_SUPPORT AcpiGbl_TableData[ACPI_TABLE_ID_MAX+1] = 399 { 400 /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ 401 402 /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, 403 /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &AcpiGbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE}, 404 /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &AcpiGbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE}, 405 /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &AcpiGbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE}, 406 /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, 407 /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, 408 /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, 409 }; 410 411 412 /****************************************************************************** 413 * 414 * Event and Hardware globals 415 * 416 ******************************************************************************/ 417 418 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] = 419 { 420 /* Name Parent Register Register Bit Position Register Bit Mask */ 421 422 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, 423 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, 424 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 425 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, 426 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 427 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, 428 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, 429 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 430 431 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, 432 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 433 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 434 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 435 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, 436 /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, 437 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 438 439 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, 440 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, 441 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 442 /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, 443 /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, 444 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, 445 446 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} 447 }; 448 449 450 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] = 451 { 452 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, 453 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 454 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 455 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 456 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, 457 }; 458 459 /******************************************************************************* 460 * 461 * FUNCTION: AcpiUtGetRegionName 462 * 463 * PARAMETERS: None. 464 * 465 * RETURN: Status 466 * 467 * DESCRIPTION: Translate a Space ID into a name string (Debug only) 468 * 469 ******************************************************************************/ 470 471 /* Region type decoding */ 472 473 const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] = 474 { 475 "SystemMemory", 476 "SystemIO", 477 "PCI_Config", 478 "EmbeddedControl", 479 "SMBus", 480 "CMOS", 481 "PCIBARTarget", 482 "DataTable" 483 }; 484 485 486 char * 487 AcpiUtGetRegionName ( 488 UINT8 SpaceId) 489 { 490 491 if (SpaceId >= ACPI_USER_REGION_BEGIN) 492 { 493 return ("UserDefinedRegion"); 494 } 495 else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) 496 { 497 return ("InvalidSpaceId"); 498 } 499 500 return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId])); 501 } 502 503 504 /******************************************************************************* 505 * 506 * FUNCTION: AcpiUtGetEventName 507 * 508 * PARAMETERS: None. 509 * 510 * RETURN: Status 511 * 512 * DESCRIPTION: Translate a Event ID into a name string (Debug only) 513 * 514 ******************************************************************************/ 515 516 /* Event type decoding */ 517 518 static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] = 519 { 520 "PM_Timer", 521 "GlobalLock", 522 "PowerButton", 523 "SleepButton", 524 "RealTimeClock", 525 }; 526 527 528 char * 529 AcpiUtGetEventName ( 530 UINT32 EventId) 531 { 532 533 if (EventId > ACPI_EVENT_MAX) 534 { 535 return ("InvalidEventID"); 536 } 537 538 return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId])); 539 } 540 541 542 /******************************************************************************* 543 * 544 * FUNCTION: AcpiUtGetTypeName 545 * 546 * PARAMETERS: None. 547 * 548 * RETURN: Status 549 * 550 * DESCRIPTION: Translate a Type ID into a name string (Debug only) 551 * 552 ******************************************************************************/ 553 554 /* 555 * Elements of AcpiGbl_NsTypeNames below must match 556 * one-to-one with values of ACPI_OBJECT_TYPE 557 * 558 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; 559 * when stored in a table it really means that we have thus far seen no 560 * evidence to indicate what type is actually going to be stored for this entry. 561 */ 562 static const char AcpiGbl_BadType[] = "UNDEFINED"; 563 564 /* Printable names of the ACPI object types */ 565 566 static const char *AcpiGbl_NsTypeNames[] = 567 { 568 /* 00 */ "Untyped", 569 /* 01 */ "Integer", 570 /* 02 */ "String", 571 /* 03 */ "Buffer", 572 /* 04 */ "Package", 573 /* 05 */ "FieldUnit", 574 /* 06 */ "Device", 575 /* 07 */ "Event", 576 /* 08 */ "Method", 577 /* 09 */ "Mutex", 578 /* 10 */ "Region", 579 /* 11 */ "Power", 580 /* 12 */ "Processor", 581 /* 13 */ "Thermal", 582 /* 14 */ "BufferField", 583 /* 15 */ "DdbHandle", 584 /* 16 */ "DebugObject", 585 /* 17 */ "RegionField", 586 /* 18 */ "BankField", 587 /* 19 */ "IndexField", 588 /* 20 */ "Reference", 589 /* 21 */ "Alias", 590 /* 22 */ "MethodAlias", 591 /* 23 */ "Notify", 592 /* 24 */ "AddrHandler", 593 /* 25 */ "ResourceDesc", 594 /* 26 */ "ResourceFld", 595 /* 27 */ "Scope", 596 /* 28 */ "Extra", 597 /* 29 */ "Data", 598 /* 30 */ "Invalid" 599 }; 600 601 602 char * 603 AcpiUtGetTypeName ( 604 ACPI_OBJECT_TYPE Type) 605 { 606 607 if (Type > ACPI_TYPE_INVALID) 608 { 609 return (ACPI_CAST_PTR (char, AcpiGbl_BadType)); 610 } 611 612 return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type])); 613 } 614 615 616 char * 617 AcpiUtGetObjectTypeName ( 618 ACPI_OPERAND_OBJECT *ObjDesc) 619 { 620 621 if (!ObjDesc) 622 { 623 return ("[NULL Object Descriptor]"); 624 } 625 626 return (AcpiUtGetTypeName (ACPI_GET_OBJECT_TYPE (ObjDesc))); 627 } 628 629 630 /******************************************************************************* 631 * 632 * FUNCTION: AcpiUtGetNodeName 633 * 634 * PARAMETERS: Object - A namespace node 635 * 636 * RETURN: Pointer to a string 637 * 638 * DESCRIPTION: Validate the node and return the node's ACPI name. 639 * 640 ******************************************************************************/ 641 642 char * 643 AcpiUtGetNodeName ( 644 void *Object) 645 { 646 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object; 647 648 649 /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ 650 651 if (!Object) 652 { 653 return ("NULL"); 654 } 655 656 /* Check for Root node */ 657 658 if ((Object == ACPI_ROOT_OBJECT) || 659 (Object == AcpiGbl_RootNode)) 660 { 661 return ("\"\\\" "); 662 } 663 664 /* Descriptor must be a namespace node */ 665 666 if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED) 667 { 668 return ("####"); 669 } 670 671 /* Name must be a valid ACPI name */ 672 673 if (!AcpiUtValidAcpiName (Node->Name.Integer)) 674 { 675 Node->Name.Integer = AcpiUtRepairName (Node->Name.Integer); 676 } 677 678 /* Return the name */ 679 680 return (Node->Name.Ascii); 681 } 682 683 684 /******************************************************************************* 685 * 686 * FUNCTION: AcpiUtGetDescriptorName 687 * 688 * PARAMETERS: Object - An ACPI object 689 * 690 * RETURN: Pointer to a string 691 * 692 * DESCRIPTION: Validate object and return the descriptor type 693 * 694 ******************************************************************************/ 695 696 /* Printable names of object descriptor types */ 697 698 static const char *AcpiGbl_DescTypeNames[] = 699 { 700 /* 00 */ "Invalid", 701 /* 01 */ "Cached", 702 /* 02 */ "State-Generic", 703 /* 03 */ "State-Update", 704 /* 04 */ "State-Package", 705 /* 05 */ "State-Control", 706 /* 06 */ "State-RootParseScope", 707 /* 07 */ "State-ParseScope", 708 /* 08 */ "State-WalkScope", 709 /* 09 */ "State-Result", 710 /* 10 */ "State-Notify", 711 /* 11 */ "State-Thread", 712 /* 12 */ "Walk", 713 /* 13 */ "Parser", 714 /* 14 */ "Operand", 715 /* 15 */ "Node" 716 }; 717 718 719 char * 720 AcpiUtGetDescriptorName ( 721 void *Object) 722 { 723 724 if (!Object) 725 { 726 return ("NULL OBJECT"); 727 } 728 729 if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX) 730 { 731 return (ACPI_CAST_PTR (char, AcpiGbl_BadType)); 732 } 733 734 return (ACPI_CAST_PTR (char, 735 AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)])); 736 737 } 738 739 740 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 741 /* 742 * Strings and procedures used for debug only 743 */ 744 745 /******************************************************************************* 746 * 747 * FUNCTION: AcpiUtGetMutexName 748 * 749 * PARAMETERS: MutexId - The predefined ID for this mutex. 750 * 751 * RETURN: String containing the name of the mutex. Always returns a valid 752 * pointer. 753 * 754 * DESCRIPTION: Translate a mutex ID into a name string (Debug only) 755 * 756 ******************************************************************************/ 757 758 char * 759 AcpiUtGetMutexName ( 760 UINT32 MutexId) 761 { 762 763 if (MutexId > ACPI_MAX_MUTEX) 764 { 765 return ("Invalid Mutex ID"); 766 } 767 768 return (AcpiGbl_MutexNames[MutexId]); 769 } 770 #endif 771 772 773 /******************************************************************************* 774 * 775 * FUNCTION: AcpiUtValidObjectType 776 * 777 * PARAMETERS: Type - Object type to be validated 778 * 779 * RETURN: TRUE if valid object type, FALSE otherwise 780 * 781 * DESCRIPTION: Validate an object type 782 * 783 ******************************************************************************/ 784 785 BOOLEAN 786 AcpiUtValidObjectType ( 787 ACPI_OBJECT_TYPE Type) 788 { 789 790 if (Type > ACPI_TYPE_LOCAL_MAX) 791 { 792 /* Note: Assumes all TYPEs are contiguous (external/local) */ 793 794 return (FALSE); 795 } 796 797 return (TRUE); 798 } 799 800 801 /******************************************************************************* 802 * 803 * FUNCTION: AcpiUtInitGlobals 804 * 805 * PARAMETERS: None 806 * 807 * RETURN: None 808 * 809 * DESCRIPTION: Init library globals. All globals that require specific 810 * initialization should be initialized here! 811 * 812 ******************************************************************************/ 813 814 void 815 AcpiUtInitGlobals ( 816 void) 817 { 818 ACPI_STATUS Status; 819 UINT32 i; 820 821 822 ACPI_FUNCTION_TRACE (UtInitGlobals); 823 824 825 /* Create all memory caches */ 826 827 Status = AcpiUtCreateCaches (); 828 if (ACPI_FAILURE (Status)) 829 { 830 return; 831 } 832 833 /* ACPI table structure */ 834 835 for (i = 0; i < (ACPI_TABLE_ID_MAX+1); i++) 836 { 837 AcpiGbl_TableLists[i].Next = NULL; 838 AcpiGbl_TableLists[i].Count = 0; 839 } 840 841 /* Mutex locked flags */ 842 843 for (i = 0; i < ACPI_NUM_MUTEX; i++) 844 { 845 AcpiGbl_MutexInfo[i].Mutex = NULL; 846 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; 847 AcpiGbl_MutexInfo[i].UseCount = 0; 848 } 849 850 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) 851 { 852 AcpiGbl_OwnerIdMask[i] = 0; 853 } 854 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ 855 856 /* GPE support */ 857 858 AcpiGbl_GpeXruptListHead = NULL; 859 AcpiGbl_GpeFadtBlocks[0] = NULL; 860 AcpiGbl_GpeFadtBlocks[1] = NULL; 861 862 /* Global notify handlers */ 863 864 AcpiGbl_SystemNotify.Handler = NULL; 865 AcpiGbl_DeviceNotify.Handler = NULL; 866 AcpiGbl_ExceptionHandler = NULL; 867 AcpiGbl_InitHandler = NULL; 868 869 /* Global "typed" ACPI table pointers */ 870 871 AcpiGbl_RSDP = NULL; 872 AcpiGbl_XSDT = NULL; 873 AcpiGbl_FACS = NULL; 874 AcpiGbl_FADT = NULL; 875 AcpiGbl_DSDT = NULL; 876 877 /* Global Lock support */ 878 879 AcpiGbl_GlobalLockSemaphore = NULL; 880 AcpiGbl_GlobalLockMutex = NULL; 881 AcpiGbl_GlobalLockAcquired = FALSE; 882 AcpiGbl_GlobalLockHandle = 0; 883 884 /* Miscellaneous variables */ 885 886 AcpiGbl_TableFlags = ACPI_PHYSICAL_POINTER; 887 AcpiGbl_RsdpOriginalLocation = 0; 888 AcpiGbl_CmSingleStep = FALSE; 889 AcpiGbl_DbTerminateThreads = FALSE; 890 AcpiGbl_Shutdown = FALSE; 891 AcpiGbl_NsLookupCount = 0; 892 AcpiGbl_PsFindCount = 0; 893 AcpiGbl_AcpiHardwarePresent = TRUE; 894 AcpiGbl_LastOwnerIdIndex = 0; 895 AcpiGbl_NextOwnerIdOffset = 0; 896 AcpiGbl_TraceMethodName = 0; 897 AcpiGbl_TraceDbgLevel = 0; 898 AcpiGbl_TraceDbgLayer = 0; 899 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; 900 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; 901 902 /* Hardware oriented */ 903 904 AcpiGbl_EventsInitialized = FALSE; 905 AcpiGbl_SystemAwakeAndRunning = TRUE; 906 907 /* Namespace */ 908 909 AcpiGbl_RootNode = NULL; 910 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 911 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 912 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 913 AcpiGbl_RootNodeStruct.Child = NULL; 914 AcpiGbl_RootNodeStruct.Peer = NULL; 915 AcpiGbl_RootNodeStruct.Object = NULL; 916 AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST; 917 918 919 #ifdef ACPI_DEBUG_OUTPUT 920 AcpiGbl_LowestStackPointer = ACPI_SIZE_MAX; 921 #endif 922 923 return_VOID; 924 } 925 926 /* Public globals */ 927 928 ACPI_EXPORT_SYMBOL (AcpiDbgLevel) 929 ACPI_EXPORT_SYMBOL (AcpiDbgLayer) 930 931 932