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 <contrib/dev/acpica/include/acpi.h> 47 #include <contrib/dev/acpica/include/accommon.h> 48 #include <contrib/dev/acpica/include/acnamesp.h> 49 #include <contrib/dev/acpica/include/acevents.h> 50 #include <contrib/dev/acpica/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 } 346