/****************************************************************************** * * Module Name: utglobal - Global variables for the ACPI subsystem * *****************************************************************************/ /* * Copyright (C) 2000 - 2011, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #define __UTGLOBAL_C__ #define DEFINE_ACPI_GLOBALS #include "acpi.h" #include "accommon.h" #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_LowestDstateNames[ACPI_NUM_SxW_METHODS] = { "_S0W", "_S1W", "_S2W", "_S3W", "_S4W" }; const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] = { "_S1D", "_S2D", "_S3D", "_S4D" }; /******************************************************************************* * * 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. 09/2010: Changed to type Device. * This still allows notifies, but does not confuse host code that * searches for valid ThermalZone objects. */ 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_DEVICE, 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} }; /****************************************************************************** * * 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: AcpiUtInitGlobals * * PARAMETERS: None * * RETURN: Status * * DESCRIPTION: Init ACPICA 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_AllGpesInitialized = FALSE; 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; AcpiGbl_InterfaceHandler = NULL; AcpiGbl_GlobalEventHandler = NULL; /* Global Lock support */ AcpiGbl_GlobalLockSemaphore = NULL; AcpiGbl_GlobalLockMutex = NULL; AcpiGbl_GlobalLockAcquired = FALSE; AcpiGbl_GlobalLockHandle = 0; AcpiGbl_GlobalLockPresent = FALSE; /* Miscellaneous variables */ AcpiGbl_DSDT = NULL; 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; AcpiGbl_OsiMutex = NULL; AcpiGbl_RegMethodsExecuted = FALSE; /* Hardware oriented */ AcpiGbl_EventsInitialized = FALSE; AcpiGbl_SystemAwakeAndRunning = TRUE; /* Namespace */ AcpiGbl_ModuleCodeList = NULL; 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.Parent = NULL; AcpiGbl_RootNodeStruct.Child = NULL; AcpiGbl_RootNodeStruct.Peer = NULL; AcpiGbl_RootNodeStruct.Object = NULL; #ifdef ACPI_DISASSEMBLER AcpiGbl_ExternalList = NULL; #endif #ifdef ACPI_DEBUG_OUTPUT AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX); #endif #ifdef ACPI_DBG_TRACK_ALLOCATIONS AcpiGbl_DisplayFinalMemStats = FALSE; AcpiGbl_DisableMemTracking = 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)