368 lines
14 KiB
C
368 lines
14 KiB
C
/******************************************************************************
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*
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* Module Name: utglobal - Global variables for the ACPI subsystem
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2014, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define __UTGLOBAL_C__
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#define EXPORT_ACPI_INTERFACES
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#define DEFINE_ACPI_GLOBALS
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#include "acpi.h"
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#include "accommon.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("utglobal")
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/*******************************************************************************
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*
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* Static global variable initialization.
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*
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******************************************************************************/
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/* Debug output control masks */
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#ifdef ACPI_DEBUG_OUTPUT
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UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
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#else
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UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
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#endif
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UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
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/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */
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ACPI_TABLE_FADT AcpiGbl_FADT;
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UINT32 AcpiGbl_TraceFlags;
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ACPI_NAME AcpiGbl_TraceMethodName;
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BOOLEAN AcpiGbl_SystemAwakeAndRunning;
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UINT32 AcpiCurrentGpeCount;
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/*
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* ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
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* that the ACPI hardware is no longer required. A flag in the FADT indicates
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* a reduced HW machine, and that flag is duplicated here for convenience.
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*/
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BOOLEAN AcpiGbl_ReducedHardware;
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/* Various state name strings */
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const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
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{
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"\\_S0_",
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"\\_S1_",
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"\\_S2_",
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"\\_S3_",
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"\\_S4_",
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"\\_S5_"
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};
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const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
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{
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"_S0W",
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"_S1W",
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"_S2W",
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"_S3W",
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"_S4W"
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};
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const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
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{
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"_S1D",
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"_S2D",
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"_S3D",
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"_S4D"
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};
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/*******************************************************************************
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*
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* Namespace globals
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*
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******************************************************************************/
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/*
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* Predefined ACPI Names (Built-in to the Interpreter)
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*
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* NOTES:
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* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
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* during the initialization sequence.
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* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
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* perform a Notify() operation on it. 09/2010: Changed to type Device.
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* This still allows notifies, but does not confuse host code that
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* searches for valid ThermalZone objects.
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*/
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const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
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{
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{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_SB_", ACPI_TYPE_DEVICE, NULL},
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{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_TZ_", ACPI_TYPE_DEVICE, NULL},
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{"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
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{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
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{"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
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#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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{"_OSI", ACPI_TYPE_METHOD, (char *) 1},
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#endif
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/* Table terminator */
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{NULL, ACPI_TYPE_ANY, NULL}
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};
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#if (!ACPI_REDUCED_HARDWARE)
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/******************************************************************************
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*
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* Event and Hardware globals
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*
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******************************************************************************/
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ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
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{
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/* Name Parent Register Register Bit Position Register Bit Mask */
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/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
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/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
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/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
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/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
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/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
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/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
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/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
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/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
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/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
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/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
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/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
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/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
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/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
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/* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE},
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/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
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/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
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};
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ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
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{
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/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
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};
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#endif /* !ACPI_REDUCED_HARDWARE */
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtInitGlobals
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Initialize ACPICA globals. All globals that require specific
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* initialization should be initialized here. This allows for
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* a warm restart.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiUtInitGlobals (
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void)
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{
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ACPI_STATUS Status;
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UINT32 i;
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ACPI_FUNCTION_TRACE (UtInitGlobals);
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/* Create all memory caches */
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Status = AcpiUtCreateCaches ();
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if (ACPI_FAILURE (Status))
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{
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return_ACPI_STATUS (Status);
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}
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/* Address Range lists */
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for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
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{
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AcpiGbl_AddressRangeList[i] = NULL;
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}
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/* Mutex locked flags */
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for (i = 0; i < ACPI_NUM_MUTEX; i++)
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{
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AcpiGbl_MutexInfo[i].Mutex = NULL;
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AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
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AcpiGbl_MutexInfo[i].UseCount = 0;
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}
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for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
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{
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AcpiGbl_OwnerIdMask[i] = 0;
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}
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/* Last OwnerID is never valid */
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AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
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/* Event counters */
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AcpiMethodCount = 0;
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AcpiSciCount = 0;
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AcpiGpeCount = 0;
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for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
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{
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AcpiFixedEventCount[i] = 0;
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}
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#if (!ACPI_REDUCED_HARDWARE)
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/* GPE/SCI support */
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AcpiGbl_AllGpesInitialized = FALSE;
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AcpiGbl_GpeXruptListHead = NULL;
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AcpiGbl_GpeFadtBlocks[0] = NULL;
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AcpiGbl_GpeFadtBlocks[1] = NULL;
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AcpiCurrentGpeCount = 0;
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AcpiGbl_GlobalEventHandler = NULL;
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AcpiGbl_SciHandlerList = NULL;
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#endif /* !ACPI_REDUCED_HARDWARE */
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/* Global handlers */
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AcpiGbl_GlobalNotify[0].Handler = NULL;
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AcpiGbl_GlobalNotify[1].Handler = NULL;
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AcpiGbl_ExceptionHandler = NULL;
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AcpiGbl_InitHandler = NULL;
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AcpiGbl_TableHandler = NULL;
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AcpiGbl_InterfaceHandler = NULL;
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/* Global Lock support */
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AcpiGbl_GlobalLockSemaphore = NULL;
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AcpiGbl_GlobalLockMutex = NULL;
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AcpiGbl_GlobalLockAcquired = FALSE;
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AcpiGbl_GlobalLockHandle = 0;
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AcpiGbl_GlobalLockPresent = FALSE;
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/* Miscellaneous variables */
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AcpiGbl_DSDT = NULL;
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AcpiGbl_CmSingleStep = FALSE;
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AcpiGbl_Shutdown = FALSE;
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AcpiGbl_NsLookupCount = 0;
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AcpiGbl_PsFindCount = 0;
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AcpiGbl_AcpiHardwarePresent = TRUE;
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AcpiGbl_LastOwnerIdIndex = 0;
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AcpiGbl_NextOwnerIdOffset = 0;
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AcpiGbl_TraceMethodName = 0;
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AcpiGbl_TraceDbgLevel = 0;
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AcpiGbl_TraceDbgLayer = 0;
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AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
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AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
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AcpiGbl_OsiMutex = NULL;
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AcpiGbl_RegMethodsExecuted = FALSE;
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/* Hardware oriented */
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AcpiGbl_EventsInitialized = FALSE;
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AcpiGbl_SystemAwakeAndRunning = TRUE;
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/* Namespace */
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AcpiGbl_ModuleCodeList = NULL;
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AcpiGbl_RootNode = NULL;
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AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
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AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
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AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
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AcpiGbl_RootNodeStruct.Parent = NULL;
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AcpiGbl_RootNodeStruct.Child = NULL;
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AcpiGbl_RootNodeStruct.Peer = NULL;
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AcpiGbl_RootNodeStruct.Object = NULL;
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#ifdef ACPI_DISASSEMBLER
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AcpiGbl_ExternalList = NULL;
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AcpiGbl_NumExternalMethods = 0;
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AcpiGbl_ResolvedExternalMethods = 0;
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#endif
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#ifdef ACPI_DEBUG_OUTPUT
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AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
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#endif
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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AcpiGbl_DisplayFinalMemStats = FALSE;
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AcpiGbl_DisableMemTracking = FALSE;
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#endif
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#ifdef ACPI_DEBUGGER
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AcpiGbl_DbTerminateThreads = FALSE;
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#endif
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return_ACPI_STATUS (AE_OK);
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}
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/* Public globals */
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ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
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ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
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ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
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ACPI_EXPORT_SYMBOL (AcpiGpeCount)
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ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
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