1 /******************************************************************************
3 * Module Name: utglobal - Global variables for the ACPI subsystem
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
13 * All rights reserved.
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
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
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;
38 * The above copyright and patent license is granted only if the following
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.
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
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
73 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
81 * 4. Disclaimer and Export Compliance
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
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
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.
115 *****************************************************************************/
117 #define __UTGLOBAL_C__
118 #define DEFINE_ACPI_GLOBALS
121 #include "acnamesp.h"
123 #define _COMPONENT ACPI_UTILITIES
124 ACPI_MODULE_NAME ("utglobal")
127 /******************************************************************************
129 * FUNCTION: AcpiFormatException
131 * PARAMETERS: Status - The ACPI_STATUS code to be formatted
133 * RETURN: A string containing the exception text
135 * DESCRIPTION: This function translates an ACPI exception into an ASCII string.
137 ******************************************************************************/
140 AcpiFormatException (
143 const char *Exception = "UNKNOWN_STATUS_CODE";
144 ACPI_STATUS SubStatus;
147 ACPI_FUNCTION_NAME ("FormatException");
150 SubStatus = (Status & ~AE_CODE_MASK);
152 switch (Status & AE_CODE_MASK)
154 case AE_CODE_ENVIRONMENTAL:
156 if (SubStatus <= AE_CODE_ENV_MAX)
158 Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
163 case AE_CODE_PROGRAMMER:
165 if (SubStatus <= AE_CODE_PGM_MAX)
167 Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1];
172 case AE_CODE_ACPI_TABLES:
174 if (SubStatus <= AE_CODE_TBL_MAX)
176 Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1];
183 if (SubStatus <= AE_CODE_AML_MAX)
185 Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1];
190 case AE_CODE_CONTROL:
192 if (SubStatus <= AE_CODE_CTRL_MAX)
194 Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1];
204 return ((const char *) Exception);
208 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", Status));
209 return ((const char *) Exception);
213 /******************************************************************************
215 * Static global variable initialization.
217 ******************************************************************************/
220 * We want the debug switches statically initialized so they
221 * are already set when the debugger is entered.
224 /* Debug switch - level and trace mask */
226 #ifdef ACPI_DEBUG_OUTPUT
227 UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
229 UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
232 /* Debug switch - layer (component) mask */
234 UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
235 UINT32 AcpiGbl_NestingLevel = 0;
238 /* Debugger globals */
240 BOOLEAN AcpiGbl_DbTerminateThreads = FALSE;
241 BOOLEAN AcpiGbl_AbortMethod = FALSE;
242 BOOLEAN AcpiGbl_MethodExecuting = FALSE;
246 UINT32 AcpiGbl_StartupFlags = 0;
248 /* System starts uninitialized */
250 BOOLEAN AcpiGbl_Shutdown = TRUE;
252 const UINT8 AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128};
254 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
264 const char *AcpiGbl_HighestDstateNames[4] =
273 * Strings supported by the _OSI predefined (internal) method.
274 * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS.
276 const char *AcpiGbl_ValidOsiStrings[ACPI_NUM_OSI_STRINGS] =
290 /******************************************************************************
294 ******************************************************************************/
298 * Predefined ACPI Names (Built-in to the Interpreter)
301 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
302 * during the initialization sequence.
303 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
304 * perform a Notify() operation on it.
306 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
308 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
309 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
310 {"_SB_", ACPI_TYPE_DEVICE, NULL},
311 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
312 {"_TZ_", ACPI_TYPE_THERMAL, NULL},
313 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
314 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
315 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
317 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
318 {"_OSI", ACPI_TYPE_METHOD, (char *) 1},
320 {NULL, ACPI_TYPE_ANY, NULL} /* Table terminator */
325 * Properties of the ACPI Object Types, both internal and external.
326 * The table is indexed by values of ACPI_OBJECT_TYPE
328 const UINT8 AcpiGbl_NsProperties[] =
330 ACPI_NS_NORMAL, /* 00 Any */
331 ACPI_NS_NORMAL, /* 01 Number */
332 ACPI_NS_NORMAL, /* 02 String */
333 ACPI_NS_NORMAL, /* 03 Buffer */
334 ACPI_NS_NORMAL, /* 04 Package */
335 ACPI_NS_NORMAL, /* 05 FieldUnit */
336 ACPI_NS_NEWSCOPE, /* 06 Device */
337 ACPI_NS_NORMAL, /* 07 Event */
338 ACPI_NS_NEWSCOPE, /* 08 Method */
339 ACPI_NS_NORMAL, /* 09 Mutex */
340 ACPI_NS_NORMAL, /* 10 Region */
341 ACPI_NS_NEWSCOPE, /* 11 Power */
342 ACPI_NS_NEWSCOPE, /* 12 Processor */
343 ACPI_NS_NEWSCOPE, /* 13 Thermal */
344 ACPI_NS_NORMAL, /* 14 BufferField */
345 ACPI_NS_NORMAL, /* 15 DdbHandle */
346 ACPI_NS_NORMAL, /* 16 Debug Object */
347 ACPI_NS_NORMAL, /* 17 DefField */
348 ACPI_NS_NORMAL, /* 18 BankField */
349 ACPI_NS_NORMAL, /* 19 IndexField */
350 ACPI_NS_NORMAL, /* 20 Reference */
351 ACPI_NS_NORMAL, /* 21 Alias */
352 ACPI_NS_NORMAL, /* 22 MethodAlias */
353 ACPI_NS_NORMAL, /* 23 Notify */
354 ACPI_NS_NORMAL, /* 24 Address Handler */
355 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
356 ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
357 ACPI_NS_NEWSCOPE, /* 27 Scope */
358 ACPI_NS_NORMAL, /* 28 Extra */
359 ACPI_NS_NORMAL, /* 29 Data */
360 ACPI_NS_NORMAL /* 30 Invalid */
364 /* Hex to ASCII conversion table */
366 static const char AcpiGbl_HexToAscii[] =
367 {'0','1','2','3','4','5','6','7',
368 '8','9','A','B','C','D','E','F'};
370 /*****************************************************************************
372 * FUNCTION: AcpiUtHexToAsciiChar
374 * PARAMETERS: Integer - Contains the hex digit
375 * Position - bit position of the digit within the
378 * RETURN: Ascii character
380 * DESCRIPTION: Convert a hex digit to an ascii character
382 ****************************************************************************/
385 AcpiUtHexToAsciiChar (
386 ACPI_INTEGER Integer,
390 return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
394 /******************************************************************************
398 * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
399 * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables
400 * that are not used by the subsystem are simply ignored.
402 * Do NOT add any table to this list that is not consumed directly by this
405 ******************************************************************************/
407 ACPI_TABLE_LIST AcpiGbl_TableLists[NUM_ACPI_TABLE_TYPES];
409 ACPI_TABLE_SUPPORT AcpiGbl_TableData[NUM_ACPI_TABLE_TYPES] =
411 /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */
413 /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
414 /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &AcpiGbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE},
415 /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &AcpiGbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE},
416 /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &AcpiGbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
417 /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
418 /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
419 /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE},
423 /******************************************************************************
425 * Event and Hardware globals
427 ******************************************************************************/
429 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
431 /* Name Parent Register Register Bit Position Register Bit Mask */
433 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
434 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
435 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
436 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
437 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
438 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
439 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
441 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
442 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
443 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
444 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
445 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
446 /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0},
448 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
449 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
450 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
451 /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
452 /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X},
453 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
455 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
459 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
461 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
462 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
463 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
464 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
465 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
468 /*****************************************************************************
470 * FUNCTION: AcpiUtGetRegionName
476 * DESCRIPTION: Translate a Space ID into a name string (Debug only)
478 ****************************************************************************/
480 /* Region type decoding */
482 const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
484 /*! [Begin] no source code translation (keep these ASL Keywords as-is) */
493 /*! [End] no source code translation !*/
498 AcpiUtGetRegionName (
502 if (SpaceId >= ACPI_USER_REGION_BEGIN)
504 return ("UserDefinedRegion");
507 else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
509 return ("InvalidSpaceId");
512 return ((char *) AcpiGbl_RegionTypes[SpaceId]);
516 /*****************************************************************************
518 * FUNCTION: AcpiUtGetEventName
524 * DESCRIPTION: Translate a Event ID into a name string (Debug only)
526 ****************************************************************************/
528 /* Event type decoding */
530 static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
545 if (EventId > ACPI_EVENT_MAX)
547 return ("InvalidEventID");
550 return ((char *) AcpiGbl_EventTypes[EventId]);
554 /*****************************************************************************
556 * FUNCTION: AcpiUtGetTypeName
562 * DESCRIPTION: Translate a Type ID into a name string (Debug only)
564 ****************************************************************************/
567 * Elements of AcpiGbl_NsTypeNames below must match
568 * one-to-one with values of ACPI_OBJECT_TYPE
570 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; when
571 * stored in a table it really means that we have thus far seen no evidence to
572 * indicate what type is actually going to be stored for this entry.
574 static const char AcpiGbl_BadType[] = "UNDEFINED";
575 #define TYPE_NAME_LENGTH 12 /* Maximum length of each string */
577 static const char *AcpiGbl_NsTypeNames[] = /* printable names of ACPI types */
584 /* 05 */ "FieldUnit",
591 /* 12 */ "Processor",
593 /* 14 */ "BufferField",
594 /* 15 */ "DdbHandle",
595 /* 16 */ "DebugObject",
596 /* 17 */ "RegionField",
597 /* 18 */ "BankField",
598 /* 19 */ "IndexField",
599 /* 20 */ "Reference",
601 /* 22 */ "MethodAlias",
603 /* 24 */ "AddrHandler",
604 /* 25 */ "ResourceDesc",
605 /* 26 */ "ResourceFld",
615 ACPI_OBJECT_TYPE Type)
618 if (Type > ACPI_TYPE_INVALID)
620 return ((char *) AcpiGbl_BadType);
623 return ((char *) AcpiGbl_NsTypeNames[Type]);
628 AcpiUtGetObjectTypeName (
629 ACPI_OPERAND_OBJECT *ObjDesc)
634 return ("[NULL Object Descriptor]");
637 return (AcpiUtGetTypeName (ACPI_GET_OBJECT_TYPE (ObjDesc)));
641 /*****************************************************************************
643 * FUNCTION: AcpiUtGetNodeName
645 * PARAMETERS: Object - A namespace node
647 * RETURN: Pointer to a string
649 * DESCRIPTION: Validate the node and return the node's ACPI name.
651 ****************************************************************************/
657 ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object;
660 /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
667 /* Check for Root node */
669 if ((Object == ACPI_ROOT_OBJECT) ||
670 (Object == AcpiGbl_RootNode))
675 /* Descriptor must be a namespace node */
677 if (Node->Descriptor != ACPI_DESC_TYPE_NAMED)
682 /* Name must be a valid ACPI name */
684 if (!AcpiUtValidAcpiName (* (UINT32 *) Node->Name.Ascii))
689 /* Return the name */
691 return (Node->Name.Ascii);
695 /*****************************************************************************
697 * FUNCTION: AcpiUtGetDescriptorName
699 * PARAMETERS: Object - An ACPI object
701 * RETURN: Pointer to a string
703 * DESCRIPTION: Validate object and return the descriptor type
705 ****************************************************************************/
707 static const char *AcpiGbl_DescTypeNames[] = /* printable names of descriptor types */
711 /* 02 */ "State-Generic",
712 /* 03 */ "State-Update",
713 /* 04 */ "State-Package",
714 /* 05 */ "State-Control",
715 /* 06 */ "State-RootParseScope",
716 /* 07 */ "State-ParseScope",
717 /* 08 */ "State-WalkScope",
718 /* 09 */ "State-Result",
719 /* 10 */ "State-Notify",
720 /* 11 */ "State-Thread",
729 AcpiUtGetDescriptorName (
735 return ("NULL OBJECT");
738 if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
740 return ((char *) AcpiGbl_BadType);
743 return ((char *) AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]);
748 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
750 * Strings and procedures used for debug only
753 /*****************************************************************************
755 * FUNCTION: AcpiUtGetMutexName
761 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
763 ****************************************************************************/
770 if (MutexId > MAX_MUTEX)
772 return ("Invalid Mutex ID");
775 return (AcpiGbl_MutexNames[MutexId]);
781 /*****************************************************************************
783 * FUNCTION: AcpiUtValidObjectType
785 * PARAMETERS: Type - Object type to be validated
787 * RETURN: TRUE if valid object type
789 * DESCRIPTION: Validate an object type
791 ****************************************************************************/
794 AcpiUtValidObjectType (
795 ACPI_OBJECT_TYPE Type)
798 if (Type > ACPI_TYPE_LOCAL_MAX)
800 /* Note: Assumes all TYPEs are contiguous (external/local) */
809 /****************************************************************************
811 * FUNCTION: AcpiUtAllocateOwnerId
813 * PARAMETERS: IdType - Type of ID (method or table)
815 * DESCRIPTION: Allocate a table or method owner id
817 ***************************************************************************/
820 AcpiUtAllocateOwnerId (
823 ACPI_OWNER_ID OwnerId = 0xFFFF;
826 ACPI_FUNCTION_TRACE ("UtAllocateOwnerId");
829 if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
836 case ACPI_OWNER_TYPE_TABLE:
838 OwnerId = AcpiGbl_NextTableOwnerId;
839 AcpiGbl_NextTableOwnerId++;
841 /* Check for wraparound */
843 if (AcpiGbl_NextTableOwnerId == ACPI_FIRST_METHOD_ID)
845 AcpiGbl_NextTableOwnerId = ACPI_FIRST_TABLE_ID;
846 ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
851 case ACPI_OWNER_TYPE_METHOD:
853 OwnerId = AcpiGbl_NextMethodOwnerId;
854 AcpiGbl_NextMethodOwnerId++;
856 if (AcpiGbl_NextMethodOwnerId == ACPI_FIRST_TABLE_ID)
858 /* Check for wraparound */
860 AcpiGbl_NextMethodOwnerId = ACPI_FIRST_METHOD_ID;
868 (void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
869 return_VALUE (OwnerId);
873 /****************************************************************************
875 * FUNCTION: AcpiUtInitGlobals
879 * DESCRIPTION: Init library globals. All globals that require specific
880 * initialization should be initialized here!
882 ***************************************************************************/
891 ACPI_FUNCTION_TRACE ("UtInitGlobals");
894 /* Memory allocation and cache lists */
896 ACPI_MEMSET (AcpiGbl_MemoryLists, 0, sizeof (ACPI_MEMORY_LIST) * ACPI_NUM_MEM_LISTS);
898 AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_GENERIC_STATE *) NULL)->Common.Next), NULL);
899 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
900 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_PARSE_OBJECT *) NULL)->Common.Next), NULL);
901 AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_OPERAND_OBJECT *) NULL)->Cache.Next), NULL);
902 AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].LinkOffset = (UINT16) ACPI_PTR_DIFF (&(((ACPI_WALK_STATE *) NULL)->Next), NULL);
904 AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ObjectSize = sizeof (ACPI_NAMESPACE_NODE);
905 AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ObjectSize = sizeof (ACPI_GENERIC_STATE);
906 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ObjectSize = sizeof (ACPI_PARSE_OBJ_COMMON);
907 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ObjectSize = sizeof (ACPI_PARSE_OBJ_NAMED);
908 AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ObjectSize = sizeof (ACPI_OPERAND_OBJECT);
909 AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ObjectSize = sizeof (ACPI_WALK_STATE);
911 AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].MaxCacheDepth = ACPI_MAX_STATE_CACHE_DEPTH;
912 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].MaxCacheDepth = ACPI_MAX_PARSE_CACHE_DEPTH;
913 AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].MaxCacheDepth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
914 AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].MaxCacheDepth = ACPI_MAX_OBJECT_CACHE_DEPTH;
915 AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].MaxCacheDepth = ACPI_MAX_WALK_CACHE_DEPTH;
917 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_GLOBAL].ListName = "Global Memory Allocation");
918 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_NSNODE].ListName = "Namespace Nodes");
919 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_STATE].ListName = "State Object Cache");
920 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE].ListName = "Parse Node Cache");
921 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_PSNODE_EXT].ListName = "Extended Parse Node Cache");
922 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_OPERAND].ListName = "Operand Object Cache");
923 ACPI_MEM_TRACKING (AcpiGbl_MemoryLists[ACPI_MEM_LIST_WALK].ListName = "Tree Walk Node Cache");
925 /* ACPI table structure */
927 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++)
929 AcpiGbl_TableLists[i].Next = NULL;
930 AcpiGbl_TableLists[i].Count = 0;
933 /* Mutex locked flags */
935 for (i = 0; i < NUM_MUTEX; i++)
937 AcpiGbl_MutexInfo[i].Mutex = NULL;
938 AcpiGbl_MutexInfo[i].OwnerId = ACPI_MUTEX_NOT_ACQUIRED;
939 AcpiGbl_MutexInfo[i].UseCount = 0;
944 AcpiGbl_GpeXruptListHead = NULL;
945 AcpiGbl_GpeFadtBlocks[0] = NULL;
946 AcpiGbl_GpeFadtBlocks[1] = NULL;
948 /* Global notify handlers */
950 AcpiGbl_SystemNotify.Handler = NULL;
951 AcpiGbl_DeviceNotify.Handler = NULL;
952 AcpiGbl_ExceptionHandler = NULL;
953 AcpiGbl_InitHandler = NULL;
955 /* Global "typed" ACPI table pointers */
963 /* Global Lock support */
965 AcpiGbl_GlobalLockAcquired = FALSE;
966 AcpiGbl_GlobalLockThreadCount = 0;
967 AcpiGbl_GlobalLockHandle = 0;
969 /* Miscellaneous variables */
971 AcpiGbl_TableFlags = ACPI_PHYSICAL_POINTER;
972 AcpiGbl_RsdpOriginalLocation = 0;
973 AcpiGbl_CmSingleStep = FALSE;
974 AcpiGbl_DbTerminateThreads = FALSE;
975 AcpiGbl_Shutdown = FALSE;
976 AcpiGbl_NsLookupCount = 0;
977 AcpiGbl_PsFindCount = 0;
978 AcpiGbl_AcpiHardwarePresent = TRUE;
979 AcpiGbl_NextTableOwnerId = ACPI_FIRST_TABLE_ID;
980 AcpiGbl_NextMethodOwnerId = ACPI_FIRST_METHOD_ID;
981 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
982 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
984 /* Hardware oriented */
986 AcpiGbl_EventsInitialized = FALSE;
987 AcpiGbl_SystemAwakeAndRunning = TRUE;
991 AcpiGbl_RootNode = NULL;
993 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
994 AcpiGbl_RootNodeStruct.Descriptor = ACPI_DESC_TYPE_NAMED;
995 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
996 AcpiGbl_RootNodeStruct.Child = NULL;
997 AcpiGbl_RootNodeStruct.Peer = NULL;
998 AcpiGbl_RootNodeStruct.Object = NULL;
999 AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST;
1002 #ifdef ACPI_DEBUG_OUTPUT
1003 AcpiGbl_LowestStackPointer = ACPI_SIZE_MAX;