utglobal.c revision 26f3cdf03f1adcc98f6d3d99843ee71e9229a8c0
/******************************************************************************
*
* 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)