sys/contrib/dev/acpica/source/components/utilities/utglobal.c

   1 /******************************************************************************
   2  *
   3  * Module Name: utglobal - Global variables for the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2014, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #define __UTGLOBAL_C__
  45 #define EXPORT_ACPI_INTERFACES
  46 #define DEFINE_ACPI_GLOBALS
  47
  48 #include "acpi.h"
  49 #include "accommon.h"
  50
  51 #define _COMPONENT          ACPI_UTILITIES
  52         ACPI_MODULE_NAME    ("utglobal")
  53
  54
  55 /*******************************************************************************
  56  *
  57  * Static global variable initialization.
  58  *
  59  ******************************************************************************/
  60
  61 /* Various state name strings */
  62
  63 const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
  64 {
  65     "\\_S0_",
  66     "\\_S1_",
  67     "\\_S2_",
  68     "\\_S3_",
  69     "\\_S4_",
  70     "\\_S5_"
  71 };
  72
  73 const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
  74 {
  75     "_S0W",
  76     "_S1W",
  77     "_S2W",
  78     "_S3W",
  79     "_S4W"
  80 };
  81
  82 const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
  83 {
  84     "_S1D",
  85     "_S2D",
  86     "_S3D",
  87     "_S4D"
  88 };
  89
  90
  91 /*******************************************************************************
  92  *
  93  * Namespace globals
  94  *
  95  ******************************************************************************/
  96
  97 /*
  98  * Predefined ACPI Names (Built-in to the Interpreter)
  99  *
 100  * NOTES:
 101  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
 102  *    during the initialization sequence.
 103  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
 104  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
 105  *    This still allows notifies, but does not confuse host code that
 106  *    searches for valid ThermalZone objects.
 107  */
 108 const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
 109 {
 110     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 111     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 112     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
 113     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 114     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
 115     {"_REV",    ACPI_TYPE_INTEGER,          (char *) ACPI_CA_SUPPORT_LEVEL},
 116     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
 117     {"_GL_",    ACPI_TYPE_MUTEX,            (char *) 1},
 118
 119 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
 120     {"_OSI",    ACPI_TYPE_METHOD,           (char *) 1},
 121 #endif
 122
 123     /* Table terminator */
 124
 125     {NULL,      ACPI_TYPE_ANY,              NULL}
 126 };
 127
 128
 129 #if (!ACPI_REDUCED_HARDWARE)
 130 /******************************************************************************
 131  *
 132  * Event and Hardware globals
 133  *
 134  ******************************************************************************/
 135
 136 ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
 137 {
 138     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
 139
 140     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
 141     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
 142     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
 143     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
 144     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
 145     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
 146     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
 147     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
 148
 149     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
 150     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 151     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 152     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 153     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 154     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
 155
 156     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
 157     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
 158     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
 159     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
 160     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
 161
 162     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
 163 };
 164
 165
 166 ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
 167 {
 168     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
 169     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 170     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 171     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 172     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 173 };
 174 #endif /* !ACPI_REDUCED_HARDWARE */
 175
 176
 177 /*******************************************************************************
 178  *
 179  * FUNCTION:    AcpiUtInitGlobals
 180  *
 181  * PARAMETERS:  None
 182  *
 183  * RETURN:      Status
 184  *
 185  * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
 186  *              initialization should be initialized here. This allows for
 187  *              a warm restart.
 188  *
 189  ******************************************************************************/
 190
 191 ACPI_STATUS
 192 AcpiUtInitGlobals (
 193     void)
 194 {
 195     ACPI_STATUS             Status;
 196     UINT32                  i;
 197
 198
 199     ACPI_FUNCTION_TRACE (UtInitGlobals);
 200
 201
 202     /* Create all memory caches */
 203
 204     Status = AcpiUtCreateCaches ();
 205     if (ACPI_FAILURE (Status))
 206     {
 207         return_ACPI_STATUS (Status);
 208     }
 209
 210     /* Address Range lists */
 211
 212     for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
 213     {
 214         AcpiGbl_AddressRangeList[i] = NULL;
 215     }
 216
 217     /* Mutex locked flags */
 218
 219     for (i = 0; i < ACPI_NUM_MUTEX; i++)
 220     {
 221         AcpiGbl_MutexInfo[i].Mutex          = NULL;
 222         AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
 223         AcpiGbl_MutexInfo[i].UseCount       = 0;
 224     }
 225
 226     for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
 227     {
 228         AcpiGbl_OwnerIdMask[i]              = 0;
 229     }
 230
 231     /* Last OwnerID is never valid */
 232
 233     AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
 234
 235     /* Event counters */
 236
 237     AcpiMethodCount                     = 0;
 238     AcpiSciCount                        = 0;
 239     AcpiGpeCount                        = 0;
 240
 241     for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
 242     {
 243         AcpiFixedEventCount[i]              = 0;
 244     }
 245
 246 #if (!ACPI_REDUCED_HARDWARE)
 247
 248     /* GPE/SCI support */
 249
 250     AcpiGbl_AllGpesInitialized          = FALSE;
 251     AcpiGbl_GpeXruptListHead            = NULL;
 252     AcpiGbl_GpeFadtBlocks[0]            = NULL;
 253     AcpiGbl_GpeFadtBlocks[1]            = NULL;
 254     AcpiCurrentGpeCount                 = 0;
 255
 256     AcpiGbl_GlobalEventHandler          = NULL;
 257     AcpiGbl_SciHandlerList              = NULL;
 258
 259 #endif /* !ACPI_REDUCED_HARDWARE */
 260
 261     /* Global handlers */
 262
 263     AcpiGbl_GlobalNotify[0].Handler     = NULL;
 264     AcpiGbl_GlobalNotify[1].Handler     = NULL;
 265     AcpiGbl_ExceptionHandler            = NULL;
 266     AcpiGbl_InitHandler                 = NULL;
 267     AcpiGbl_TableHandler                = NULL;
 268     AcpiGbl_InterfaceHandler            = NULL;
 269
 270     /* Global Lock support */
 271
 272     AcpiGbl_GlobalLockSemaphore         = NULL;
 273     AcpiGbl_GlobalLockMutex             = NULL;
 274     AcpiGbl_GlobalLockAcquired          = FALSE;
 275     AcpiGbl_GlobalLockHandle            = 0;
 276     AcpiGbl_GlobalLockPresent           = FALSE;
 277
 278     /* Miscellaneous variables */
 279
 280     AcpiGbl_DSDT                        = NULL;
 281     AcpiGbl_CmSingleStep                = FALSE;
 282     AcpiGbl_Shutdown                    = FALSE;
 283     AcpiGbl_NsLookupCount               = 0;
 284     AcpiGbl_PsFindCount                 = 0;
 285     AcpiGbl_AcpiHardwarePresent         = TRUE;
 286     AcpiGbl_LastOwnerIdIndex            = 0;
 287     AcpiGbl_NextOwnerIdOffset           = 0;
 288     AcpiGbl_TraceDbgLevel               = 0;
 289     AcpiGbl_TraceDbgLayer               = 0;
 290     AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
 291     AcpiGbl_DbOutputFlags               = ACPI_DB_CONSOLE_OUTPUT;
 292     AcpiGbl_OsiMutex                    = NULL;
 293     AcpiGbl_RegMethodsExecuted          = FALSE;
 294
 295     /* Hardware oriented */
 296
 297     AcpiGbl_EventsInitialized           = FALSE;
 298     AcpiGbl_SystemAwakeAndRunning       = TRUE;
 299
 300     /* Namespace */
 301
 302     AcpiGbl_ModuleCodeList              = NULL;
 303     AcpiGbl_RootNode                    = NULL;
 304     AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
 305     AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
 306     AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
 307     AcpiGbl_RootNodeStruct.Parent       = NULL;
 308     AcpiGbl_RootNodeStruct.Child        = NULL;
 309     AcpiGbl_RootNodeStruct.Peer         = NULL;
 310     AcpiGbl_RootNodeStruct.Object       = NULL;
 311
 312
 313 #ifdef ACPI_DISASSEMBLER
 314     AcpiGbl_ExternalList                = NULL;
 315     AcpiGbl_NumExternalMethods          = 0;
 316     AcpiGbl_ResolvedExternalMethods     = 0;
 317 #endif
 318
 319 #ifdef ACPI_DEBUG_OUTPUT
 320     AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
 321 #endif
 322
 323 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 324     AcpiGbl_DisplayFinalMemStats        = FALSE;
 325     AcpiGbl_DisableMemTracking          = FALSE;
 326 #endif
 327
 328     ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = FALSE);
 329
 330     return_ACPI_STATUS (AE_OK);
 331 }
 332
 333 /* Public globals */
 334
 335 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
 336 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
 337 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
 338 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
 339 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)