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Diffstat (limited to 'source/components/utilities/utglobal.c')
| -rw-r--r-- | source/components/utilities/utglobal.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/source/components/utilities/utglobal.c b/source/components/utilities/utglobal.c new file mode 100644 index 0000000..faccfb2 --- /dev/null +++ b/source/components/utilities/utglobal.c @@ -0,0 +1,365 @@ +/****************************************************************************** + * + * Module Name: utglobal - Global variables for the ACPI subsystem + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, 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} +}; + + +#if (!ACPI_REDUCED_HARDWARE) +/****************************************************************************** + * + * 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}, +}; +#endif /* !ACPI_REDUCED_HARDWARE */ + + +/******************************************************************************* + * + * 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); + } + + /* Address Range lists */ + + for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) + { + AcpiGbl_AddressRangeList[i] = NULL; + } + + /* 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; + } + +#if (!ACPI_REDUCED_HARDWARE) + + /* GPE support */ + + AcpiGbl_AllGpesInitialized = FALSE; + AcpiGbl_GpeXruptListHead = NULL; + AcpiGbl_GpeFadtBlocks[0] = NULL; + AcpiGbl_GpeFadtBlocks[1] = NULL; + AcpiCurrentGpeCount = 0; + + AcpiGbl_GlobalEventHandler = NULL; + +#endif /* !ACPI_REDUCED_HARDWARE */ + + /* Global handlers */ + + AcpiGbl_SystemNotify.Handler = NULL; + AcpiGbl_DeviceNotify.Handler = NULL; + AcpiGbl_ExceptionHandler = NULL; + AcpiGbl_InitHandler = NULL; + AcpiGbl_TableHandler = NULL; + AcpiGbl_InterfaceHandler = 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) |
