/****************************************************************************** * * Module Name: utglobal - Global variables for the ACPI subsystem * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * *****************************************************************************/ #define __UTGLOBAL_C__ #define DEFINE_ACPI_GLOBALS #include #include #include #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utglobal") /******************************************************************************* * * Static global variable initialization. * ******************************************************************************/ /* * We want the debug switches statically initialized so they * are already set when the debugger is entered. */ /* Debug switch - level and trace mask */ #ifdef ACPI_DEBUG_OUTPUT UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; #else UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT; #endif /* Debug switch - layer (component) mask */ UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT; UINT32 AcpiGbl_NestingLevel = 0; /* Debugger globals */ BOOLEAN AcpiGbl_DbTerminateThreads = FALSE; BOOLEAN AcpiGbl_AbortMethod = FALSE; BOOLEAN AcpiGbl_MethodExecuting = FALSE; /* System flags */ UINT32 AcpiGbl_StartupFlags = 0; /* System starts uninitialized */ BOOLEAN AcpiGbl_Shutdown = TRUE; const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] = { "\\_S0_", "\\_S1_", "\\_S2_", "\\_S3_", "\\_S4_", "\\_S5_" }; const char *AcpiGbl_HighestDstateNames[4] = { "_S1D", "_S2D", "_S3D", "_S4D" }; /******************************************************************************* * * FUNCTION: AcpiFormatException * * PARAMETERS: Status - The ACPI_STATUS code to be formatted * * RETURN: A string containing the exception text. A valid pointer is * always returned. * * DESCRIPTION: This function translates an ACPI exception into an ASCII string * It is here instead of utxface.c so it is always present. * ******************************************************************************/ const char * AcpiFormatException ( ACPI_STATUS Status) { const char *Exception = NULL; ACPI_FUNCTION_ENTRY (); Exception = AcpiUtValidateException (Status); if (!Exception) { /* Exception code was not recognized */ ACPI_ERROR ((AE_INFO, "Unknown exception code: 0x%8.8X", Status)); Exception = "UNKNOWN_STATUS_CODE"; } return (ACPI_CAST_PTR (const char, Exception)); } ACPI_EXPORT_SYMBOL (AcpiFormatException) /******************************************************************************* * * Namespace globals * ******************************************************************************/ /* * Predefined ACPI Names (Built-in to the Interpreter) * * NOTES: * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run * during the initialization sequence. * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to * perform a Notify() operation on it. */ const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] = { {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_SB_", ACPI_TYPE_DEVICE, NULL}, {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, {"_TZ_", ACPI_TYPE_THERMAL, NULL}, {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, #endif /* Table terminator */ {NULL, ACPI_TYPE_ANY, NULL} }; /* * Properties of the ACPI Object Types, both internal and external. * The table is indexed by values of ACPI_OBJECT_TYPE */ const UINT8 AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] = { ACPI_NS_NORMAL, /* 00 Any */ ACPI_NS_NORMAL, /* 01 Number */ ACPI_NS_NORMAL, /* 02 String */ ACPI_NS_NORMAL, /* 03 Buffer */ ACPI_NS_NORMAL, /* 04 Package */ ACPI_NS_NORMAL, /* 05 FieldUnit */ ACPI_NS_NEWSCOPE, /* 06 Device */ ACPI_NS_NORMAL, /* 07 Event */ ACPI_NS_NEWSCOPE, /* 08 Method */ ACPI_NS_NORMAL, /* 09 Mutex */ ACPI_NS_NORMAL, /* 10 Region */ ACPI_NS_NEWSCOPE, /* 11 Power */ ACPI_NS_NEWSCOPE, /* 12 Processor */ ACPI_NS_NEWSCOPE, /* 13 Thermal */ ACPI_NS_NORMAL, /* 14 BufferField */ ACPI_NS_NORMAL, /* 15 DdbHandle */ ACPI_NS_NORMAL, /* 16 Debug Object */ ACPI_NS_NORMAL, /* 17 DefField */ ACPI_NS_NORMAL, /* 18 BankField */ ACPI_NS_NORMAL, /* 19 IndexField */ ACPI_NS_NORMAL, /* 20 Reference */ ACPI_NS_NORMAL, /* 21 Alias */ ACPI_NS_NORMAL, /* 22 MethodAlias */ ACPI_NS_NORMAL, /* 23 Notify */ ACPI_NS_NORMAL, /* 24 Address Handler */ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ ACPI_NS_NEWSCOPE, /* 27 Scope */ ACPI_NS_NORMAL, /* 28 Extra */ ACPI_NS_NORMAL, /* 29 Data */ ACPI_NS_NORMAL /* 30 Invalid */ }; /* Hex to ASCII conversion table */ static const char AcpiGbl_HexToAscii[] = { '0','1','2','3','4','5','6','7', '8','9','A','B','C','D','E','F' }; /******************************************************************************* * * FUNCTION: AcpiUtHexToAsciiChar * * PARAMETERS: Integer - Contains the hex digit * Position - bit position of the digit within the * integer (multiple of 4) * * RETURN: The converted Ascii character * * DESCRIPTION: Convert a hex digit to an Ascii character * ******************************************************************************/ char AcpiUtHexToAsciiChar ( ACPI_INTEGER Integer, UINT32 Position) { return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]); } /****************************************************************************** * * Event and Hardware globals * ******************************************************************************/ ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] = { /* Name Parent Register Register Bit Position Register Bit Mask */ /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE}, /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} }; ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] = { /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, }; /******************************************************************************* * * FUNCTION: AcpiUtGetRegionName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Space ID into a name string (Debug only) * ******************************************************************************/ /* Region type decoding */ const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] = { "SystemMemory", "SystemIO", "PCI_Config", "EmbeddedControl", "SMBus", "SystemCMOS", "PCIBARTarget", "DataTable" }; char * AcpiUtGetRegionName ( UINT8 SpaceId) { if (SpaceId >= ACPI_USER_REGION_BEGIN) { return ("UserDefinedRegion"); } else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) { return ("InvalidSpaceId"); } return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId])); } /******************************************************************************* * * FUNCTION: AcpiUtGetEventName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Event ID into a name string (Debug only) * ******************************************************************************/ /* Event type decoding */ static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] = { "PM_Timer", "GlobalLock", "PowerButton", "SleepButton", "RealTimeClock", }; char * AcpiUtGetEventName ( UINT32 EventId) { if (EventId > ACPI_EVENT_MAX) { return ("InvalidEventID"); } return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId])); } /******************************************************************************* * * FUNCTION: AcpiUtGetTypeName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Type ID into a name string (Debug only) * ******************************************************************************/ /* * Elements of AcpiGbl_NsTypeNames below must match * one-to-one with values of ACPI_OBJECT_TYPE * * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; * when stored in a table it really means that we have thus far seen no * evidence to indicate what type is actually going to be stored for this entry. */ static const char AcpiGbl_BadType[] = "UNDEFINED"; /* Printable names of the ACPI object types */ static const char *AcpiGbl_NsTypeNames[] = { /* 00 */ "Untyped", /* 01 */ "Integer", /* 02 */ "String", /* 03 */ "Buffer", /* 04 */ "Package", /* 05 */ "FieldUnit", /* 06 */ "Device", /* 07 */ "Event", /* 08 */ "Method", /* 09 */ "Mutex", /* 10 */ "Region", /* 11 */ "Power", /* 12 */ "Processor", /* 13 */ "Thermal", /* 14 */ "BufferField", /* 15 */ "DdbHandle", /* 16 */ "DebugObject", /* 17 */ "RegionField", /* 18 */ "BankField", /* 19 */ "IndexField", /* 20 */ "Reference", /* 21 */ "Alias", /* 22 */ "MethodAlias", /* 23 */ "Notify", /* 24 */ "AddrHandler", /* 25 */ "ResourceDesc", /* 26 */ "ResourceFld", /* 27 */ "Scope", /* 28 */ "Extra", /* 29 */ "Data", /* 30 */ "Invalid" }; char * AcpiUtGetTypeName ( ACPI_OBJECT_TYPE Type) { if (Type > ACPI_TYPE_INVALID) { return (ACPI_CAST_PTR (char, AcpiGbl_BadType)); } return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type])); } char * AcpiUtGetObjectTypeName ( ACPI_OPERAND_OBJECT *ObjDesc) { if (!ObjDesc) { return ("[NULL Object Descriptor]"); } return (AcpiUtGetTypeName (ObjDesc->Common.Type)); } /******************************************************************************* * * FUNCTION: AcpiUtGetNodeName * * PARAMETERS: Object - A namespace node * * RETURN: Pointer to a string * * DESCRIPTION: Validate the node and return the node's ACPI name. * ******************************************************************************/ char * AcpiUtGetNodeName ( void *Object) { ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object; /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ if (!Object) { return ("NULL"); } /* Check for Root node */ if ((Object == ACPI_ROOT_OBJECT) || (Object == AcpiGbl_RootNode)) { return ("\"\\\" "); } /* Descriptor must be a namespace node */ if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED) { return ("####"); } /* * Ensure name is valid. The name was validated/repaired when the node * was created, but make sure it has not been corrupted. */ AcpiUtRepairName (Node->Name.Ascii); /* Return the name */ return (Node->Name.Ascii); } /******************************************************************************* * * FUNCTION: AcpiUtGetDescriptorName * * PARAMETERS: Object - An ACPI object * * RETURN: Pointer to a string * * DESCRIPTION: Validate object and return the descriptor type * ******************************************************************************/ /* Printable names of object descriptor types */ static const char *AcpiGbl_DescTypeNames[] = { /* 00 */ "Invalid", /* 01 */ "Cached", /* 02 */ "State-Generic", /* 03 */ "State-Update", /* 04 */ "State-Package", /* 05 */ "State-Control", /* 06 */ "State-RootParseScope", /* 07 */ "State-ParseScope", /* 08 */ "State-WalkScope", /* 09 */ "State-Result", /* 10 */ "State-Notify", /* 11 */ "State-Thread", /* 12 */ "Walk", /* 13 */ "Parser", /* 14 */ "Operand", /* 15 */ "Node" }; char * AcpiUtGetDescriptorName ( void *Object) { if (!Object) { return ("NULL OBJECT"); } if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX) { return (ACPI_CAST_PTR (char, AcpiGbl_BadType)); } return (ACPI_CAST_PTR (char, AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)])); } /******************************************************************************* * * FUNCTION: AcpiUtGetReferenceName * * PARAMETERS: Object - An ACPI reference object * * RETURN: Pointer to a string * * DESCRIPTION: Decode a reference object sub-type to a string. * ******************************************************************************/ /* Printable names of reference object sub-types */ static const char *AcpiGbl_RefClassNames[] = { /* 00 */ "Local", /* 01 */ "Argument", /* 02 */ "RefOf", /* 03 */ "Index", /* 04 */ "DdbHandle", /* 05 */ "Named Object", /* 06 */ "Debug" }; const char * AcpiUtGetReferenceName ( ACPI_OPERAND_OBJECT *Object) { if (!Object) { return ("NULL Object"); } if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND) { return ("Not an Operand object"); } if (Object->Common.Type != ACPI_TYPE_LOCAL_REFERENCE) { return ("Not a Reference object"); } if (Object->Reference.Class > ACPI_REFCLASS_MAX) { return ("Unknown Reference class"); } return (AcpiGbl_RefClassNames[Object->Reference.Class]); } #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) /* * Strings and procedures used for debug only */ /******************************************************************************* * * FUNCTION: AcpiUtGetMutexName * * PARAMETERS: MutexId - The predefined ID for this mutex. * * RETURN: String containing the name of the mutex. Always returns a valid * pointer. * * DESCRIPTION: Translate a mutex ID into a name string (Debug only) * ******************************************************************************/ char * AcpiUtGetMutexName ( UINT32 MutexId) { if (MutexId > ACPI_MAX_MUTEX) { return ("Invalid Mutex ID"); } return (AcpiGbl_MutexNames[MutexId]); } /******************************************************************************* * * FUNCTION: AcpiUtGetNotifyName * * PARAMETERS: NotifyValue - Value from the Notify() request * * RETURN: String corresponding to the Notify Value. * * DESCRIPTION: Translate a Notify Value to a notify namestring. * ******************************************************************************/ /* Names for Notify() values, used for debug output */ static const char *AcpiGbl_NotifyValueNames[] = { "Bus Check", "Device Check", "Device Wake", "Eject Request", "Device Check Light", "Frequency Mismatch", "Bus Mode Mismatch", "Power Fault", "Capabilities Check", "Device PLD Check", "Reserved", "System Locality Update" }; const char * AcpiUtGetNotifyName ( UINT32 NotifyValue) { if (NotifyValue <= ACPI_NOTIFY_MAX) { return (AcpiGbl_NotifyValueNames[NotifyValue]); } else if (NotifyValue <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); } else /* Greater or equal to 0x80 */ { return ("**Device Specific**"); } } #endif /******************************************************************************* * * FUNCTION: AcpiUtValidObjectType * * PARAMETERS: Type - Object type to be validated * * RETURN: TRUE if valid object type, FALSE otherwise * * DESCRIPTION: Validate an object type * ******************************************************************************/ BOOLEAN AcpiUtValidObjectType ( ACPI_OBJECT_TYPE Type) { if (Type > ACPI_TYPE_LOCAL_MAX) { /* Note: Assumes all TYPEs are contiguous (external/local) */ return (FALSE); } return (TRUE); } /******************************************************************************* * * FUNCTION: AcpiUtInitGlobals * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Init library globals. All globals that require specific * initialization should be initialized here! * ******************************************************************************/ ACPI_STATUS AcpiUtInitGlobals ( void) { ACPI_STATUS Status; UINT32 i; ACPI_FUNCTION_TRACE (UtInitGlobals); /* Create all memory caches */ Status = AcpiUtCreateCaches (); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); } /* Mutex locked flags */ for (i = 0; i < ACPI_NUM_MUTEX; i++) { AcpiGbl_MutexInfo[i].Mutex = NULL; AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; AcpiGbl_MutexInfo[i].UseCount = 0; } for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { AcpiGbl_OwnerIdMask[i] = 0; } /* Last OwnerID is never valid */ AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Event counters */ AcpiMethodCount = 0; AcpiSciCount = 0; AcpiGpeCount = 0; for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { AcpiFixedEventCount[i] = 0; } /* GPE support */ AcpiGbl_GpeXruptListHead = NULL; AcpiGbl_GpeFadtBlocks[0] = NULL; AcpiGbl_GpeFadtBlocks[1] = NULL; AcpiCurrentGpeCount = 0; /* Global handlers */ AcpiGbl_SystemNotify.Handler = NULL; AcpiGbl_DeviceNotify.Handler = NULL; AcpiGbl_ExceptionHandler = NULL; AcpiGbl_InitHandler = NULL; AcpiGbl_TableHandler = NULL; /* Global Lock support */ AcpiGbl_GlobalLockSemaphore = NULL; AcpiGbl_GlobalLockMutex = NULL; AcpiGbl_GlobalLockAcquired = FALSE; AcpiGbl_GlobalLockHandle = 0; AcpiGbl_GlobalLockPresent = FALSE; /* Miscellaneous variables */ AcpiGbl_CmSingleStep = FALSE; AcpiGbl_DbTerminateThreads = FALSE; AcpiGbl_Shutdown = FALSE; AcpiGbl_NsLookupCount = 0; AcpiGbl_PsFindCount = 0; AcpiGbl_AcpiHardwarePresent = TRUE; AcpiGbl_LastOwnerIdIndex = 0; AcpiGbl_NextOwnerIdOffset = 0; AcpiGbl_TraceMethodName = 0; AcpiGbl_TraceDbgLevel = 0; AcpiGbl_TraceDbgLayer = 0; AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; AcpiGbl_OsiData = 0; /* Hardware oriented */ AcpiGbl_EventsInitialized = FALSE; AcpiGbl_SystemAwakeAndRunning = TRUE; /* Namespace */ AcpiGbl_RootNode = NULL; AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; AcpiGbl_RootNodeStruct.Child = NULL; AcpiGbl_RootNodeStruct.Peer = NULL; AcpiGbl_RootNodeStruct.Object = NULL; AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST; #ifdef ACPI_DEBUG_OUTPUT AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX); #endif #ifdef ACPI_DBG_TRACK_ALLOCATIONS AcpiGbl_DisplayFinalMemStats = FALSE; #endif return_ACPI_STATUS (AE_OK); } /* Public globals */ ACPI_EXPORT_SYMBOL (AcpiGbl_FADT) ACPI_EXPORT_SYMBOL (AcpiDbgLevel) ACPI_EXPORT_SYMBOL (AcpiDbgLayer) ACPI_EXPORT_SYMBOL (AcpiGpeCount) ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)