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