/****************************************************************************** * * Module Name: cmglobal - Global variables for the ACPI subsystem * $Revision: 113 $ * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999, 2000, 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 __CMGLOBAL_C__ #define DEFINE_ACPI_GLOBALS #include "acpi.h" #include "acevents.h" #include "acnamesp.h" #include "acinterp.h" #include "amlcode.h" #define _COMPONENT MISCELLANEOUS MODULE_NAME ("cmglobal") /****************************************************************************** * * 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 UINT32 AcpiDbgLevel = DEBUG_DEFAULT; #else UINT32 AcpiDbgLevel = NORMAL_DEFAULT; #endif /* Debug switch - layer (component) mask */ UINT32 AcpiDbgLayer = COMPONENT_DEFAULT; UINT32 AcpiGbl_NestingLevel = 0; /* Debugger globals */ BOOLEAN AcpiGbl_DbTerminateThreads = FALSE; BOOLEAN AcpiGbl_MethodExecuting = FALSE; /* System flags */ UINT32 AcpiGbl_SystemFlags = 0; UINT32 AcpiGbl_StartupFlags = 0; /* System starts unitialized! */ BOOLEAN AcpiGbl_Shutdown = TRUE; UINT8 AcpiGbl_DecodeTo8bit [8] = {1,2,4,8,16,32,64,128}; /****************************************************************************** * * Namespace globals * ******************************************************************************/ /* * Names built-in to the interpreter * * Initial values are currently supported only for types String and Number. * To avoid type punning, both are specified as strings in this table. */ PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] = { {"_GPE", INTERNAL_TYPE_DEF_ANY}, {"_PR_", INTERNAL_TYPE_DEF_ANY}, {"_SB_", INTERNAL_TYPE_DEF_ANY}, {"_SI_", INTERNAL_TYPE_DEF_ANY}, {"_TZ_", INTERNAL_TYPE_DEF_ANY}, {"_REV", ACPI_TYPE_NUMBER, "2"}, {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, {"_GL_", ACPI_TYPE_MUTEX, "0"}, /* Table terminator */ {NULL, ACPI_TYPE_ANY} }; /* * Properties of the ACPI Object Types, both internal and external. * * Elements of AcpiNsProperties are bit significant * and the table is indexed by values of ACPI_OBJECT_TYPE */ UINT8 AcpiGbl_NsProperties[] = { NSP_NORMAL, /* 00 Any */ NSP_NORMAL, /* 01 Number */ NSP_NORMAL, /* 02 String */ NSP_NORMAL, /* 03 Buffer */ NSP_LOCAL, /* 04 Package */ NSP_NORMAL, /* 05 FieldUnit */ NSP_NEWSCOPE | NSP_LOCAL, /* 06 Device */ NSP_LOCAL, /* 07 AcpiEvent */ NSP_NEWSCOPE | NSP_LOCAL, /* 08 Method */ NSP_LOCAL, /* 09 Mutex */ NSP_LOCAL, /* 10 Region */ NSP_NEWSCOPE | NSP_LOCAL, /* 11 Power */ NSP_NEWSCOPE | NSP_LOCAL, /* 12 Processor */ NSP_NEWSCOPE | NSP_LOCAL, /* 13 Thermal */ NSP_NORMAL, /* 14 BufferField */ NSP_NORMAL, /* 15 DdbHandle */ NSP_NORMAL, /* 16 Debug Object */ NSP_NORMAL, /* 17 DefField */ NSP_NORMAL, /* 18 BankField */ NSP_NORMAL, /* 19 IndexField */ NSP_NORMAL, /* 20 Reference */ NSP_NORMAL, /* 21 Alias */ NSP_NORMAL, /* 22 Notify */ NSP_NORMAL, /* 23 Address Handler */ NSP_NEWSCOPE | NSP_LOCAL, /* 24 Resource */ NSP_NORMAL, /* 25 DefFieldDefn */ NSP_NORMAL, /* 26 BankFieldDefn */ NSP_NORMAL, /* 27 IndexFieldDefn */ NSP_NORMAL, /* 28 If */ NSP_NORMAL, /* 29 Else */ NSP_NORMAL, /* 30 While */ NSP_NEWSCOPE, /* 31 Scope */ NSP_LOCAL, /* 32 DefAny */ NSP_NORMAL, /* 33 Extra */ NSP_NORMAL /* 34 Invalid */ }; /****************************************************************************** * * Table globals * * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables * that are not used by the subsystem are simply ignored. * ******************************************************************************/ ACPI_TABLE_DESC AcpiGbl_AcpiTables[NUM_ACPI_TABLES]; ACPI_TABLE_SUPPORT AcpiGbl_AcpiTableData[NUM_ACPI_TABLES] = { /*********** Name, Signature, Signature size, How many allowed?, Supported? Global typed pointer */ /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, sizeof (RSDP_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, NULL}, /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, sizeof (DSDT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &AcpiGbl_DSDT}, /* FADT 2 */ {FADT_SIG, FADT_SIG, sizeof (FADT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &AcpiGbl_FADT}, /* FACS 3 */ {FACS_SIG, FACS_SIG, sizeof (FACS_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, (void **) &AcpiGbl_FACS}, /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, sizeof (PSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK, NULL}, /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, sizeof (SSDT_SIG)-1, ACPI_TABLE_MULTIPLE, AE_OK, NULL}, /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, sizeof (RSDT_SIG)-1, ACPI_TABLE_SINGLE, AE_OK, NULL}, }; #ifdef ACPI_DEBUG /****************************************************************************** * * Strings and procedures used for debug only * ******************************************************************************/ NATIVE_CHAR *MsgAcpiErrorBreak = "*** Break on ACPI_ERROR ***\n"; /***************************************************************************** * * FUNCTION: AcpiCmGetMutexName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a mutex ID into a name string (Debug only) * ****************************************************************************/ NATIVE_CHAR * AcpiCmGetMutexName ( UINT32 MutexId) { if (MutexId > MAX_MTX) { return ("Invalid Mutex ID"); } return (AcpiGbl_MutexNames[MutexId]); } /* * 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 * indicatewhat type is actually going to be stored for this entry. */ static NATIVE_CHAR AcpiGbl_BadType[] = "UNDEFINED"; #define TYPE_NAME_LENGTH 9 /* Maximum length of each string */ static NATIVE_CHAR *AcpiGbl_NsTypeNames[] = /* printable names of ACPI types */ { /* 00 */ "Untyped", /* 01 */ "Number", /* 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 */ "BufferFld", /* 15 */ "DdbHandle", /* 16 */ "DebugObj", /* 17 */ "DefField", /* 18 */ "BnkField", /* 19 */ "IdxField", /* 20 */ "Reference", /* 21 */ "Alias", /* 22 */ "Notify", /* 23 */ "AddrHndlr", /* 24 */ "Resource", /* 25 */ "DefFldDfn", /* 26 */ "BnkFldDfn", /* 27 */ "IdxFldDfn", /* 28 */ "If", /* 29 */ "Else", /* 30 */ "While", /* 31 */ "Scope", /* 32 */ "DefAny", /* 33 */ "Extra", /* 34 */ "Invalid" }; /***************************************************************************** * * FUNCTION: AcpiCmGetTypeName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Type ID into a name string (Debug only) * ****************************************************************************/ NATIVE_CHAR * AcpiCmGetTypeName ( UINT32 Type) { if (Type > INTERNAL_TYPE_INVALID) { return (AcpiGbl_BadType); } return (AcpiGbl_NsTypeNames[Type]); } /* Region type decoding */ NATIVE_CHAR *AcpiGbl_RegionTypes[NUM_REGION_TYPES] = { "SystemMemory", "SystemIO", "PCIConfig", "EmbeddedControl", "SMBus", "CMOS", "PCIBarTarget", }; /***************************************************************************** * * FUNCTION: AcpiCmGetRegionName * * PARAMETERS: None. * * RETURN: Status * * DESCRIPTION: Translate a Space ID into a name string (Debug only) * ****************************************************************************/ NATIVE_CHAR * AcpiCmGetRegionName ( UINT8 SpaceId) { if (SpaceId >= USER_REGION_BEGIN) { return ("UserDefinedRegion"); } else if (SpaceId >= NUM_REGION_TYPES) { return ("InvalidSpaceID"); } return (AcpiGbl_RegionTypes[SpaceId]); } /* Data used in keeping track of fields */ NATIVE_CHAR *AcpiGbl_FENames[NUM_FIELD_NAMES] = { "skip", "?access?" }; /* FE = Field Element */ NATIVE_CHAR *AcpiGbl_MatchOps[NUM_MATCH_OPS] = { "Error", "MTR", "MEQ", "MLE", "MLT", "MGE", "MGT" }; /* Access type decoding */ NATIVE_CHAR *AcpiGbl_AccessTypes[NUM_ACCESS_TYPES] = { "AnyAcc", "ByteAcc", "WordAcc", "DWordAcc", "BlockAcc", "SMBSendRecvAcc", "SMBQuickAcc" }; /* Update rule decoding */ NATIVE_CHAR *AcpiGbl_UpdateRules[NUM_UPDATE_RULES] = { "Preserve", "WriteAsOnes", "WriteAsZeros" }; #endif /***************************************************************************** * * FUNCTION: AcpiCmValidObjectType * * PARAMETERS: None. * * RETURN: TRUE if valid object type * * DESCRIPTION: Validate an object type * ****************************************************************************/ BOOLEAN AcpiCmValidObjectType ( UINT32 Type) { if (Type > ACPI_TYPE_MAX) { if ((Type < INTERNAL_TYPE_BEGIN) || (Type > INTERNAL_TYPE_MAX)) { return (FALSE); } } return (TRUE); } /***************************************************************************** * * FUNCTION: AcpiCmFormatException * * PARAMETERS: Status - Acpi status to be formatted * * RETURN: Formatted status string * * DESCRIPTION: Convert an ACPI exception to a string * ****************************************************************************/ NATIVE_CHAR * AcpiCmFormatException ( ACPI_STATUS Status) { NATIVE_CHAR *Exception = "UNKNOWN_STATUS"; ACPI_STATUS SubStatus; SubStatus = (Status & ~AE_CODE_MASK); switch (Status & AE_CODE_MASK) { case AE_CODE_ENVIRONMENTAL: if (SubStatus <= AE_CODE_ENV_MAX) { Exception = AcpiGbl_ExceptionNames_Env [SubStatus]; } break; case AE_CODE_PROGRAMMER: if (SubStatus <= AE_CODE_PGM_MAX) { Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus -1]; } break; case AE_CODE_ACPI_TABLES: if (SubStatus <= AE_CODE_TBL_MAX) { Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus -1]; } break; case AE_CODE_AML: if (SubStatus <= AE_CODE_AML_MAX) { Exception = AcpiGbl_ExceptionNames_Aml [SubStatus -1]; } break; case AE_CODE_CONTROL: if (SubStatus <= AE_CODE_CTRL_MAX) { Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus -1]; } break; default: break; } return (Exception); } /**************************************************************************** * * FUNCTION: AcpiCmAllocateOwnerId * * PARAMETERS: IdType - Type of ID (method or table) * * DESCRIPTION: Allocate a table or method owner id * ***************************************************************************/ ACPI_OWNER_ID AcpiCmAllocateOwnerId ( UINT32 IdType) { ACPI_OWNER_ID OwnerId = 0xFFFF; FUNCTION_TRACE ("CmAllocateOwnerId"); AcpiCmAcquireMutex (ACPI_MTX_CACHES); switch (IdType) { case OWNER_TYPE_TABLE: OwnerId = AcpiGbl_NextTableOwnerId; AcpiGbl_NextTableOwnerId++; if (AcpiGbl_NextTableOwnerId == FIRST_METHOD_ID) { AcpiGbl_NextTableOwnerId = FIRST_TABLE_ID; } break; case OWNER_TYPE_METHOD: OwnerId = AcpiGbl_NextMethodOwnerId; AcpiGbl_NextMethodOwnerId++; if (AcpiGbl_NextMethodOwnerId == FIRST_TABLE_ID) { AcpiGbl_NextMethodOwnerId = FIRST_METHOD_ID; } break; } AcpiCmReleaseMutex (ACPI_MTX_CACHES); return_VALUE (OwnerId); } /**************************************************************************** * * FUNCTION: AcpiCmInitGlobals * * PARAMETERS: none * * DESCRIPTION: Init library globals. All globals that require specific * initialization should be initialized here! * ***************************************************************************/ void AcpiCmInitGlobals ( void) { UINT32 i; FUNCTION_TRACE ("CmInitGlobals"); /* ACPI table structure */ for (i = 0; i < NUM_ACPI_TABLES; i++) { AcpiGbl_AcpiTables[i].Prev = &AcpiGbl_AcpiTables[i]; AcpiGbl_AcpiTables[i].Next = &AcpiGbl_AcpiTables[i]; AcpiGbl_AcpiTables[i].Pointer = NULL; AcpiGbl_AcpiTables[i].Length = 0; AcpiGbl_AcpiTables[i].Allocation = ACPI_MEM_NOT_ALLOCATED; AcpiGbl_AcpiTables[i].Count = 0; } /* Address Space handler array */ for (i = 0; i < ACPI_NUM_ADDRESS_SPACES; i++) { AcpiGbl_AddressSpaces[i].Handler = NULL; AcpiGbl_AddressSpaces[i].Context = NULL; } /* Mutex locked flags */ for (i = 0; i < NUM_MTX; i++) { AcpiGbl_AcpiMutexInfo[i].Mutex = NULL; AcpiGbl_AcpiMutexInfo[i].Locked = FALSE; AcpiGbl_AcpiMutexInfo[i].UseCount = 0; } /* Global notify handlers */ AcpiGbl_SysNotify.Handler = NULL; AcpiGbl_DrvNotify.Handler = NULL; /* Global "typed" ACPI table pointers */ AcpiGbl_RSDP = NULL; AcpiGbl_XSDT = NULL; AcpiGbl_FACS = NULL; AcpiGbl_FADT = NULL; AcpiGbl_DSDT = NULL; /* Global Lock support */ AcpiGbl_GlobalLockAcquired = FALSE; AcpiGbl_GlobalLockThreadCount = 0; /* Miscellaneous variables */ AcpiGbl_SystemFlags = 0; AcpiGbl_StartupFlags = 0; AcpiGbl_GlobalLockSet = FALSE; AcpiGbl_RsdpOriginalLocation = 0; AcpiGbl_CmSingleStep = FALSE; AcpiGbl_DbTerminateThreads = FALSE; AcpiGbl_Shutdown = FALSE; AcpiGbl_NsLookupCount = 0; AcpiGbl_PsFindCount = 0; AcpiGbl_AcpiHardwarePresent = TRUE; AcpiGbl_NextTableOwnerId = FIRST_TABLE_ID; AcpiGbl_NextMethodOwnerId = FIRST_METHOD_ID; AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; /* Cache of small "state" objects */ AcpiGbl_GenericStateCache = NULL; AcpiGbl_GenericStateCacheDepth = 0; AcpiGbl_StateCacheRequests = 0; AcpiGbl_StateCacheHits = 0; AcpiGbl_ParseCache = NULL; AcpiGbl_ParseCacheDepth = 0; AcpiGbl_ParseCacheRequests = 0; AcpiGbl_ParseCacheHits = 0; AcpiGbl_ExtParseCache = NULL; AcpiGbl_ExtParseCacheDepth = 0; AcpiGbl_ExtParseCacheRequests = 0; AcpiGbl_ExtParseCacheHits = 0; AcpiGbl_ObjectCache = NULL; AcpiGbl_ObjectCacheDepth = 0; AcpiGbl_ObjectCacheRequests = 0; AcpiGbl_ObjectCacheHits = 0; AcpiGbl_WalkStateCache = NULL; AcpiGbl_WalkStateCacheDepth = 0; AcpiGbl_WalkStateCacheRequests = 0; AcpiGbl_WalkStateCacheHits = 0; /* Hardware oriented */ AcpiGbl_Gpe0EnableRegisterSave = NULL; AcpiGbl_Gpe1EnableRegisterSave = NULL; AcpiGbl_OriginalMode = SYS_MODE_UNKNOWN; /* original ACPI/legacy mode */ AcpiGbl_GpeRegisters = NULL; AcpiGbl_GpeInfo = NULL; /* Namespace */ AcpiGbl_RootNode = NULL; AcpiGbl_RootNodeStruct.Name = ACPI_ROOT_NAME; AcpiGbl_RootNodeStruct.DataType = ACPI_DESC_TYPE_NAMED; AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_ANY; AcpiGbl_RootNodeStruct.Child = NULL; AcpiGbl_RootNodeStruct.Peer = NULL; AcpiGbl_RootNodeStruct.Object = NULL; AcpiGbl_RootNodeStruct.Flags = ANOBJ_END_OF_PEER_LIST; /* Memory allocation metrics - compiled out in non-debug mode. */ INITIALIZE_ALLOCATION_METRICS(); return_VOID; }