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

   1 /******************************************************************************
   2  *
   3  * Module Name: utinit - Common ACPI subsystem initialization
   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
  45 #define __UTINIT_C__
  46
  47 #include "acpi.h"
  48 #include "accommon.h"
  49 #include "acnamesp.h"
  50 #include "acevents.h"
  51 #include "actables.h"
  52
  53 #define _COMPONENT          ACPI_UTILITIES
  54         ACPI_MODULE_NAME    ("utinit")
  55
  56 /* Local prototypes */
  57
  58 static void AcpiUtTerminate (
  59     void);
  60
  61 #if (!ACPI_REDUCED_HARDWARE)
  62
  63 static void
  64 AcpiUtFreeGpeLists (
  65     void);
  66
  67 #else
  68
  69 #define AcpiUtFreeGpeLists()
  70 #endif /* !ACPI_REDUCED_HARDWARE */
  71
  72
  73 #if (!ACPI_REDUCED_HARDWARE)
  74 /******************************************************************************
  75  *
  76  * FUNCTION:    AcpiUtFreeGpeLists
  77  *
  78  * PARAMETERS:  none
  79  *
  80  * RETURN:      none
  81  *
  82  * DESCRIPTION: Free global GPE lists
  83  *
  84  ******************************************************************************/
  85
  86 static void
  87 AcpiUtFreeGpeLists (
  88     void)
  89 {
  90     ACPI_GPE_BLOCK_INFO     *GpeBlock;
  91     ACPI_GPE_BLOCK_INFO     *NextGpeBlock;
  92     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
  93     ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
  94
  95
  96     /* Free global GPE blocks and related info structures */
  97
  98     GpeXruptInfo = AcpiGbl_GpeXruptListHead;
  99     while (GpeXruptInfo)
 100     {
 101         GpeBlock = GpeXruptInfo->GpeBlockListHead;
 102         while (GpeBlock)
 103         {
 104             NextGpeBlock = GpeBlock->Next;
 105             ACPI_FREE (GpeBlock->EventInfo);
 106             ACPI_FREE (GpeBlock->RegisterInfo);
 107             ACPI_FREE (GpeBlock);
 108
 109             GpeBlock = NextGpeBlock;
 110         }
 111         NextGpeXruptInfo = GpeXruptInfo->Next;
 112         ACPI_FREE (GpeXruptInfo);
 113         GpeXruptInfo = NextGpeXruptInfo;
 114     }
 115 }
 116 #endif /* !ACPI_REDUCED_HARDWARE */
 117
 118
 119 /*******************************************************************************
 120  *
 121  * FUNCTION:    AcpiUtInitGlobals
 122  *
 123  * PARAMETERS:  None
 124  *
 125  * RETURN:      Status
 126  *
 127  * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
 128  *              initialization should be initialized here. This allows for
 129  *              a warm restart.
 130  *
 131  ******************************************************************************/
 132
 133 ACPI_STATUS
 134 AcpiUtInitGlobals (
 135     void)
 136 {
 137     ACPI_STATUS             Status;
 138     UINT32                  i;
 139
 140
 141     ACPI_FUNCTION_TRACE (UtInitGlobals);
 142
 143
 144     /* Create all memory caches */
 145
 146     Status = AcpiUtCreateCaches ();
 147     if (ACPI_FAILURE (Status))
 148     {
 149         return_ACPI_STATUS (Status);
 150     }
 151
 152     /* Address Range lists */
 153
 154     for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
 155     {
 156         AcpiGbl_AddressRangeList[i] = NULL;
 157     }
 158
 159     /* Mutex locked flags */
 160
 161     for (i = 0; i < ACPI_NUM_MUTEX; i++)
 162     {
 163         AcpiGbl_MutexInfo[i].Mutex          = NULL;
 164         AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
 165         AcpiGbl_MutexInfo[i].UseCount       = 0;
 166     }
 167
 168     for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
 169     {
 170         AcpiGbl_OwnerIdMask[i]              = 0;
 171     }
 172
 173     /* Last OwnerID is never valid */
 174
 175     AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
 176
 177     /* Event counters */
 178
 179     AcpiMethodCount                     = 0;
 180     AcpiSciCount                        = 0;
 181     AcpiGpeCount                        = 0;
 182
 183     for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
 184     {
 185         AcpiFixedEventCount[i]              = 0;
 186     }
 187
 188 #if (!ACPI_REDUCED_HARDWARE)
 189
 190     /* GPE/SCI support */
 191
 192     AcpiGbl_AllGpesInitialized          = FALSE;
 193     AcpiGbl_GpeXruptListHead            = NULL;
 194     AcpiGbl_GpeFadtBlocks[0]            = NULL;
 195     AcpiGbl_GpeFadtBlocks[1]            = NULL;
 196     AcpiCurrentGpeCount                 = 0;
 197
 198     AcpiGbl_GlobalEventHandler          = NULL;
 199     AcpiGbl_SciHandlerList              = NULL;
 200
 201 #endif /* !ACPI_REDUCED_HARDWARE */
 202
 203     /* Global handlers */
 204
 205     AcpiGbl_GlobalNotify[0].Handler     = NULL;
 206     AcpiGbl_GlobalNotify[1].Handler     = NULL;
 207     AcpiGbl_ExceptionHandler            = NULL;
 208     AcpiGbl_InitHandler                 = NULL;
 209     AcpiGbl_TableHandler                = NULL;
 210     AcpiGbl_InterfaceHandler            = NULL;
 211
 212     /* Global Lock support */
 213
 214     AcpiGbl_GlobalLockSemaphore         = NULL;
 215     AcpiGbl_GlobalLockMutex             = NULL;
 216     AcpiGbl_GlobalLockAcquired          = FALSE;
 217     AcpiGbl_GlobalLockHandle            = 0;
 218     AcpiGbl_GlobalLockPresent           = FALSE;
 219
 220     /* Miscellaneous variables */
 221
 222     AcpiGbl_DSDT                        = NULL;
 223     AcpiGbl_CmSingleStep                = FALSE;
 224     AcpiGbl_Shutdown                    = FALSE;
 225     AcpiGbl_NsLookupCount               = 0;
 226     AcpiGbl_PsFindCount                 = 0;
 227     AcpiGbl_AcpiHardwarePresent         = TRUE;
 228     AcpiGbl_LastOwnerIdIndex            = 0;
 229     AcpiGbl_NextOwnerIdOffset           = 0;
 230     AcpiGbl_TraceDbgLevel               = 0;
 231     AcpiGbl_TraceDbgLayer               = 0;
 232     AcpiGbl_DebuggerConfiguration       = DEBUGGER_THREADING;
 233     AcpiGbl_OsiMutex                    = NULL;
 234     AcpiGbl_RegMethodsExecuted          = FALSE;
 235
 236     /* Hardware oriented */
 237
 238     AcpiGbl_EventsInitialized           = FALSE;
 239     AcpiGbl_SystemAwakeAndRunning       = TRUE;
 240
 241     /* Namespace */
 242
 243     AcpiGbl_ModuleCodeList              = NULL;
 244     AcpiGbl_RootNode                    = NULL;
 245     AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
 246     AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
 247     AcpiGbl_RootNodeStruct.Type         = ACPI_TYPE_DEVICE;
 248     AcpiGbl_RootNodeStruct.Parent       = NULL;
 249     AcpiGbl_RootNodeStruct.Child        = NULL;
 250     AcpiGbl_RootNodeStruct.Peer         = NULL;
 251     AcpiGbl_RootNodeStruct.Object       = NULL;
 252
 253
 254 #ifdef ACPI_DISASSEMBLER
 255     AcpiGbl_ExternalList                = NULL;
 256     AcpiGbl_NumExternalMethods          = 0;
 257     AcpiGbl_ResolvedExternalMethods     = 0;
 258 #endif
 259
 260 #ifdef ACPI_DEBUG_OUTPUT
 261     AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
 262 #endif
 263
 264 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 265     AcpiGbl_DisplayFinalMemStats        = FALSE;
 266     AcpiGbl_DisableMemTracking          = FALSE;
 267 #endif
 268
 269     ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = FALSE);
 270
 271     return_ACPI_STATUS (AE_OK);
 272 }
 273
 274
 275 /******************************************************************************
 276  *
 277  * FUNCTION:    AcpiUtTerminate
 278  *
 279  * PARAMETERS:  none
 280  *
 281  * RETURN:      none
 282  *
 283  * DESCRIPTION: Free global memory
 284  *
 285  ******************************************************************************/
 286
 287 static void
 288 AcpiUtTerminate (
 289     void)
 290 {
 291     ACPI_FUNCTION_TRACE (UtTerminate);
 292
 293     AcpiUtFreeGpeLists ();
 294     AcpiUtDeleteAddressLists ();
 295     return_VOID;
 296 }
 297
 298
 299 /*******************************************************************************
 300  *
 301  * FUNCTION:    AcpiUtSubsystemShutdown
 302  *
 303  * PARAMETERS:  None
 304  *
 305  * RETURN:      None
 306  *
 307  * DESCRIPTION: Shutdown the various components. Do not delete the mutex
 308  *              objects here, because the AML debugger may be still running.
 309  *
 310  ******************************************************************************/
 311
 312 void
 313 AcpiUtSubsystemShutdown (
 314     void)
 315 {
 316     ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
 317
 318
 319 #ifndef ACPI_ASL_COMPILER
 320
 321     /* Close the AcpiEvent Handling */
 322
 323     AcpiEvTerminate ();
 324
 325     /* Delete any dynamic _OSI interfaces */
 326
 327     AcpiUtInterfaceTerminate ();
 328 #endif
 329
 330     /* Close the Namespace */
 331
 332     AcpiNsTerminate ();
 333
 334     /* Delete the ACPI tables */
 335
 336     AcpiTbTerminate ();
 337
 338     /* Close the globals */
 339
 340     AcpiUtTerminate ();
 341
 342     /* Purge the local caches */
 343
 344     (void) AcpiUtDeleteCaches ();
 345     return_VOID;
 346 }