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

   1 /******************************************************************************
   2  *
   3  * Module Name: utglobal - Global variables for the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2011, 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 DEFINE_ACPI_GLOBALS
  46
  47 #include <contrib/dev/acpica/include/acpi.h>
  48 #include <contrib/dev/acpica/include/accommon.h>
  49
  50 #define _COMPONENT          ACPI_UTILITIES
  51         ACPI_MODULE_NAME    ("utglobal")
  52
  53
  54 /*******************************************************************************
  55  *
  56  * Static global variable initialization.
  57  *
  58  ******************************************************************************/
  59
  60 /*
  61  * We want the debug switches statically initialized so they
  62  * are already set when the debugger is entered.
  63  */
  64
  65 /* Debug switch - level and trace mask */
  66
  67 #ifdef ACPI_DEBUG_OUTPUT
  68 UINT32                      AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
  69 #else
  70 UINT32                      AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
  71 #endif
  72
  73 /* Debug switch - layer (component) mask */
  74
  75 UINT32                      AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
  76 UINT32                      AcpiGbl_NestingLevel = 0;
  77
  78 /* Debugger globals */
  79
  80 BOOLEAN                     AcpiGbl_DbTerminateThreads = FALSE;
  81 BOOLEAN                     AcpiGbl_AbortMethod = FALSE;
  82 BOOLEAN                     AcpiGbl_MethodExecuting = FALSE;
  83
  84 /* System flags */
  85
  86 UINT32                      AcpiGbl_StartupFlags = 0;
  87
  88 /* System starts uninitialized */
  89
  90 BOOLEAN                     AcpiGbl_Shutdown = TRUE;
  91
  92 const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
  93 {
  94     "\\_S0_",
  95     "\\_S1_",
  96     "\\_S2_",
  97     "\\_S3_",
  98     "\\_S4_",
  99     "\\_S5_"
 100 };
 101
 102 const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
 103 {
 104     "_S0W",
 105     "_S1W",
 106     "_S2W",
 107     "_S3W",
 108     "_S4W"
 109 };
 110
 111 const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
 112 {
 113     "_S1D",
 114     "_S2D",
 115     "_S3D",
 116     "_S4D"
 117 };
 118
 119
 120 /*******************************************************************************
 121  *
 122  * Namespace globals
 123  *
 124  ******************************************************************************/
 125
 126 /*
 127  * Predefined ACPI Names (Built-in to the Interpreter)
 128  *
 129  * NOTES:
 130  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
 131  *    during the initialization sequence.
 132  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
 133  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
 134  *    This still allows notifies, but does not confuse host code that
 135  *    searches for valid ThermalZone objects.
 136  */
 137 const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
 138 {
 139     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 140     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 141     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
 142     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 143     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
 144     {"_REV",    ACPI_TYPE_INTEGER,          (char *) ACPI_CA_SUPPORT_LEVEL},
 145     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
 146     {"_GL_",    ACPI_TYPE_MUTEX,            (char *) 1},
 147
 148 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
 149     {"_OSI",    ACPI_TYPE_METHOD,           (char *) 1},
 150 #endif
 151
 152     /* Table terminator */
 153
 154     {NULL,      ACPI_TYPE_ANY,              NULL}
 155 };
 156
 157
 158 /******************************************************************************
 159  *
 160  * Event and Hardware globals
 161  *
 162  ******************************************************************************/
 163
 164 ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
 165 {
 166     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
 167
 168     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
 169     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
 170     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
 171     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
 172     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
 173     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
 174     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
 175     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
 176
 177     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
 178     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 179     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 180     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 181     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 182     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
 183
 184     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
 185     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
 186     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
 187     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
 188     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
 189
 190     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
 191 };
 192
 193
 194 ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
 195 {
 196     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
 197     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 198     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 199     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 200     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 201 };
 202
 203
 204 /*******************************************************************************
 205  *
 206  * FUNCTION:    AcpiUtInitGlobals
 207  *
 208  * PARAMETERS:  None
 209  *
 210  * RETURN:      Status
 211  *
 212  * DESCRIPTION: Init ACPICA globals.  All globals that require specific
 213  *              initialization should be initialized here!
 214  *
 215  ******************************************************************************/
 216
 217 ACPI_STATUS
 218 AcpiUtInitGlobals (
 219     void)
 220 {
 221     ACPI_STATUS             Status;
 222     UINT32                  i;
 223
 224
 225     ACPI_FUNCTION_TRACE (UtInitGlobals);
 226
 227
 228     /* Create all memory caches */
 229
 230     Status = AcpiUtCreateCaches ();
 231     if (ACPI_FAILURE (Status))
 232     {
 233         return_ACPI_STATUS (Status);
 234     }
 235
 236     /* Mutex locked flags */
 237
 238     for (i = 0; i < ACPI_NUM_MUTEX; i++)
 239     {
 240         AcpiGbl_MutexInfo[i].Mutex          = NULL;
 241         AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
 242         AcpiGbl_MutexInfo[i].UseCount       = 0;
 243     }
 244
 245     for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
 246     {
 247         AcpiGbl_OwnerIdMask[i]              = 0;
 248     }
 249
 250     /* Last OwnerID is never valid */
 251
 252     AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
 253
 254     /* Event counters */
 255
 256     AcpiMethodCount                     = 0;
 257     AcpiSciCount                        = 0;
 258     AcpiGpeCount                        = 0;
 259
 260     for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
 261     {
 262         AcpiFixedEventCount[i]              = 0;
 263     }
 264
 265     /* GPE support */
 266
 267     AcpiGbl_AllGpesInitialized          = FALSE;
 268     AcpiGbl_GpeXruptListHead            = NULL;
 269     AcpiGbl_GpeFadtBlocks[0]            = NULL;
 270     AcpiGbl_GpeFadtBlocks[1]            = NULL;
 271     AcpiCurrentGpeCount                 = 0;
 272
 273     /* Global handlers */
 274
 275     AcpiGbl_SystemNotify.Handler        = NULL;
 276     AcpiGbl_DeviceNotify.Handler        = NULL;
 277     AcpiGbl_ExceptionHandler            = NULL;
 278     AcpiGbl_InitHandler                 = NULL;
 279     AcpiGbl_TableHandler                = NULL;
 280     AcpiGbl_InterfaceHandler            = NULL;
 281     AcpiGbl_GlobalEventHandler          = NULL;
 282
 283     /* Global Lock support */
 284
 285     AcpiGbl_GlobalLockSemaphore         = NULL;
 286     AcpiGbl_GlobalLockMutex             = NULL;
 287     AcpiGbl_GlobalLockAcquired          = FALSE;
 288     AcpiGbl_GlobalLockHandle            = 0;
 289     AcpiGbl_GlobalLockPresent           = FALSE;
 290
 291     /* Miscellaneous variables */
 292
 293     AcpiGbl_DSDT                        = NULL;
 294     AcpiGbl_CmSingleStep                = FALSE;
 295     AcpiGbl_DbTerminateThreads          = FALSE;
 296     AcpiGbl_Shutdown                    = FALSE;
 297     AcpiGbl_NsLookupCount               = 0;
 298     AcpiGbl_PsFindCount                 = 0;
 299     AcpiGbl_AcpiHardwarePresent         = TRUE;
 300     AcpiGbl_LastOwnerIdIndex            = 0;
 301     AcpiGbl_NextOwnerIdOffset           = 0;
 302     AcpiGbl_TraceMethodName             = 0;
 303     AcpiGbl_TraceDbgLevel               = 0;
 304     AcpiGbl_TraceDbgLayer               = 0;
 305     AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
 306     AcpiGbl_DbOutputFlags               = ACPI_DB_CONSOLE_OUTPUT;
 307     AcpiGbl_OsiData                     = 0;
 308     AcpiGbl_OsiMutex                    = NULL;
 309     AcpiGbl_RegMethodsExecuted          = FALSE;
 310
 311     /* Hardware oriented */
 312
 313     AcpiGbl_EventsInitialized           = FALSE;
 314     AcpiGbl_SystemAwakeAndRunning       = TRUE;
 315
 316     /* Namespace */
 317
 318     AcpiGbl_ModuleCodeList              = NULL;
 319     AcpiGbl_RootNode                    = NULL;
 320     AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
 321     AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
 322     AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
 323     AcpiGbl_RootNodeStruct.Parent       = NULL;
 324     AcpiGbl_RootNodeStruct.Child        = NULL;
 325     AcpiGbl_RootNodeStruct.Peer         = NULL;
 326     AcpiGbl_RootNodeStruct.Object       = NULL;
 327
 328
 329 #ifdef ACPI_DISASSEMBLER
 330     AcpiGbl_ExternalList                = NULL;
 331 #endif
 332
 333 #ifdef ACPI_DEBUG_OUTPUT
 334     AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
 335 #endif
 336
 337 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 338     AcpiGbl_DisplayFinalMemStats        = FALSE;
 339     AcpiGbl_DisableMemTracking          = FALSE;
 340 #endif
 341
 342     return_ACPI_STATUS (AE_OK);
 343 }
 344
 345 /* Public globals */
 346
 347 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
 348 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
 349 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
 350 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
 351 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)