utinit.c revision 1.1.1.2.20.2
1 1.1 jruoho /****************************************************************************** 2 1.1 jruoho * 3 1.1 jruoho * Module Name: utinit - Common ACPI subsystem initialization 4 1.1 jruoho * 5 1.1 jruoho *****************************************************************************/ 6 1.1 jruoho 7 1.1.1.2 jruoho /* 8 1.1.1.2.20.2 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1 jruoho * All rights reserved. 10 1.1 jruoho * 11 1.1.1.2 jruoho * Redistribution and use in source and binary forms, with or without 12 1.1.1.2 jruoho * modification, are permitted provided that the following conditions 13 1.1.1.2 jruoho * are met: 14 1.1.1.2 jruoho * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2 jruoho * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2 jruoho * without modification. 17 1.1.1.2 jruoho * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2 jruoho * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2 jruoho * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2 jruoho * including a substantially similar Disclaimer requirement for further 21 1.1.1.2 jruoho * binary redistribution. 22 1.1.1.2 jruoho * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2 jruoho * of any contributors may be used to endorse or promote products derived 24 1.1.1.2 jruoho * from this software without specific prior written permission. 25 1.1.1.2 jruoho * 26 1.1.1.2 jruoho * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2 jruoho * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2 jruoho * Software Foundation. 29 1.1.1.2 jruoho * 30 1.1.1.2 jruoho * NO WARRANTY 31 1.1.1.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2 jruoho * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2 jruoho * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2 jruoho * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2 jruoho * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2 jruoho * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2 jruoho * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2 jruoho * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2 jruoho * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2 jruoho * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2 jruoho * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2 jruoho */ 43 1.1 jruoho 44 1.1 jruoho #include "acpi.h" 45 1.1 jruoho #include "accommon.h" 46 1.1 jruoho #include "acnamesp.h" 47 1.1 jruoho #include "acevents.h" 48 1.1 jruoho #include "actables.h" 49 1.1 jruoho 50 1.1 jruoho #define _COMPONENT ACPI_UTILITIES 51 1.1 jruoho ACPI_MODULE_NAME ("utinit") 52 1.1 jruoho 53 1.1 jruoho /* Local prototypes */ 54 1.1 jruoho 55 1.1 jruoho static void AcpiUtTerminate ( 56 1.1 jruoho void); 57 1.1 jruoho 58 1.1.1.2.20.1 tls #if (!ACPI_REDUCED_HARDWARE) 59 1.1 jruoho 60 1.1.1.2.20.1 tls static void 61 1.1.1.2.20.1 tls AcpiUtFreeGpeLists ( 62 1.1.1.2.20.1 tls void); 63 1.1.1.2.20.1 tls 64 1.1.1.2.20.1 tls #else 65 1.1.1.2.20.1 tls 66 1.1.1.2.20.1 tls #define AcpiUtFreeGpeLists() 67 1.1.1.2.20.1 tls #endif /* !ACPI_REDUCED_HARDWARE */ 68 1.1.1.2.20.1 tls 69 1.1.1.2.20.1 tls 70 1.1.1.2.20.1 tls #if (!ACPI_REDUCED_HARDWARE) 71 1.1 jruoho /****************************************************************************** 72 1.1 jruoho * 73 1.1.1.2.20.1 tls * FUNCTION: AcpiUtFreeGpeLists 74 1.1 jruoho * 75 1.1 jruoho * PARAMETERS: none 76 1.1 jruoho * 77 1.1 jruoho * RETURN: none 78 1.1 jruoho * 79 1.1.1.2.20.1 tls * DESCRIPTION: Free global GPE lists 80 1.1 jruoho * 81 1.1 jruoho ******************************************************************************/ 82 1.1 jruoho 83 1.1 jruoho static void 84 1.1.1.2.20.1 tls AcpiUtFreeGpeLists ( 85 1.1 jruoho void) 86 1.1 jruoho { 87 1.1 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock; 88 1.1 jruoho ACPI_GPE_BLOCK_INFO *NextGpeBlock; 89 1.1 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo; 90 1.1 jruoho ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo; 91 1.1 jruoho 92 1.1 jruoho 93 1.1 jruoho /* Free global GPE blocks and related info structures */ 94 1.1 jruoho 95 1.1 jruoho GpeXruptInfo = AcpiGbl_GpeXruptListHead; 96 1.1 jruoho while (GpeXruptInfo) 97 1.1 jruoho { 98 1.1 jruoho GpeBlock = GpeXruptInfo->GpeBlockListHead; 99 1.1 jruoho while (GpeBlock) 100 1.1 jruoho { 101 1.1 jruoho NextGpeBlock = GpeBlock->Next; 102 1.1 jruoho ACPI_FREE (GpeBlock->EventInfo); 103 1.1 jruoho ACPI_FREE (GpeBlock->RegisterInfo); 104 1.1 jruoho ACPI_FREE (GpeBlock); 105 1.1 jruoho 106 1.1 jruoho GpeBlock = NextGpeBlock; 107 1.1 jruoho } 108 1.1 jruoho NextGpeXruptInfo = GpeXruptInfo->Next; 109 1.1 jruoho ACPI_FREE (GpeXruptInfo); 110 1.1 jruoho GpeXruptInfo = NextGpeXruptInfo; 111 1.1 jruoho } 112 1.1.1.2.20.1 tls } 113 1.1.1.2.20.1 tls #endif /* !ACPI_REDUCED_HARDWARE */ 114 1.1.1.2.20.1 tls 115 1.1.1.2.20.1 tls 116 1.1.1.2.20.2 jdolecek /******************************************************************************* 117 1.1.1.2.20.2 jdolecek * 118 1.1.1.2.20.2 jdolecek * FUNCTION: AcpiUtInitGlobals 119 1.1.1.2.20.2 jdolecek * 120 1.1.1.2.20.2 jdolecek * PARAMETERS: None 121 1.1.1.2.20.2 jdolecek * 122 1.1.1.2.20.2 jdolecek * RETURN: Status 123 1.1.1.2.20.2 jdolecek * 124 1.1.1.2.20.2 jdolecek * DESCRIPTION: Initialize ACPICA globals. All globals that require specific 125 1.1.1.2.20.2 jdolecek * initialization should be initialized here. This allows for 126 1.1.1.2.20.2 jdolecek * a warm restart. 127 1.1.1.2.20.2 jdolecek * 128 1.1.1.2.20.2 jdolecek ******************************************************************************/ 129 1.1.1.2.20.2 jdolecek 130 1.1.1.2.20.2 jdolecek ACPI_STATUS 131 1.1.1.2.20.2 jdolecek AcpiUtInitGlobals ( 132 1.1.1.2.20.2 jdolecek void) 133 1.1.1.2.20.2 jdolecek { 134 1.1.1.2.20.2 jdolecek ACPI_STATUS Status; 135 1.1.1.2.20.2 jdolecek UINT32 i; 136 1.1.1.2.20.2 jdolecek 137 1.1.1.2.20.2 jdolecek 138 1.1.1.2.20.2 jdolecek ACPI_FUNCTION_TRACE (UtInitGlobals); 139 1.1.1.2.20.2 jdolecek 140 1.1.1.2.20.2 jdolecek 141 1.1.1.2.20.2 jdolecek /* Create all memory caches */ 142 1.1.1.2.20.2 jdolecek 143 1.1.1.2.20.2 jdolecek Status = AcpiUtCreateCaches (); 144 1.1.1.2.20.2 jdolecek if (ACPI_FAILURE (Status)) 145 1.1.1.2.20.2 jdolecek { 146 1.1.1.2.20.2 jdolecek return_ACPI_STATUS (Status); 147 1.1.1.2.20.2 jdolecek } 148 1.1.1.2.20.2 jdolecek 149 1.1.1.2.20.2 jdolecek /* Address Range lists */ 150 1.1.1.2.20.2 jdolecek 151 1.1.1.2.20.2 jdolecek for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) 152 1.1.1.2.20.2 jdolecek { 153 1.1.1.2.20.2 jdolecek AcpiGbl_AddressRangeList[i] = NULL; 154 1.1.1.2.20.2 jdolecek } 155 1.1.1.2.20.2 jdolecek 156 1.1.1.2.20.2 jdolecek /* Mutex locked flags */ 157 1.1.1.2.20.2 jdolecek 158 1.1.1.2.20.2 jdolecek for (i = 0; i < ACPI_NUM_MUTEX; i++) 159 1.1.1.2.20.2 jdolecek { 160 1.1.1.2.20.2 jdolecek AcpiGbl_MutexInfo[i].Mutex = NULL; 161 1.1.1.2.20.2 jdolecek AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; 162 1.1.1.2.20.2 jdolecek AcpiGbl_MutexInfo[i].UseCount = 0; 163 1.1.1.2.20.2 jdolecek } 164 1.1.1.2.20.2 jdolecek 165 1.1.1.2.20.2 jdolecek for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) 166 1.1.1.2.20.2 jdolecek { 167 1.1.1.2.20.2 jdolecek AcpiGbl_OwnerIdMask[i] = 0; 168 1.1.1.2.20.2 jdolecek } 169 1.1.1.2.20.2 jdolecek 170 1.1.1.2.20.2 jdolecek /* Last OwnerID is never valid */ 171 1.1.1.2.20.2 jdolecek 172 1.1.1.2.20.2 jdolecek AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; 173 1.1.1.2.20.2 jdolecek 174 1.1.1.2.20.2 jdolecek /* Event counters */ 175 1.1.1.2.20.2 jdolecek 176 1.1.1.2.20.2 jdolecek AcpiMethodCount = 0; 177 1.1.1.2.20.2 jdolecek AcpiSciCount = 0; 178 1.1.1.2.20.2 jdolecek AcpiGpeCount = 0; 179 1.1.1.2.20.2 jdolecek 180 1.1.1.2.20.2 jdolecek for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) 181 1.1.1.2.20.2 jdolecek { 182 1.1.1.2.20.2 jdolecek AcpiFixedEventCount[i] = 0; 183 1.1.1.2.20.2 jdolecek } 184 1.1.1.2.20.2 jdolecek 185 1.1.1.2.20.2 jdolecek #if (!ACPI_REDUCED_HARDWARE) 186 1.1.1.2.20.2 jdolecek 187 1.1.1.2.20.2 jdolecek /* GPE/SCI support */ 188 1.1.1.2.20.2 jdolecek 189 1.1.1.2.20.2 jdolecek AcpiGbl_AllGpesInitialized = FALSE; 190 1.1.1.2.20.2 jdolecek AcpiGbl_GpeXruptListHead = NULL; 191 1.1.1.2.20.2 jdolecek AcpiGbl_GpeFadtBlocks[0] = NULL; 192 1.1.1.2.20.2 jdolecek AcpiGbl_GpeFadtBlocks[1] = NULL; 193 1.1.1.2.20.2 jdolecek AcpiCurrentGpeCount = 0; 194 1.1.1.2.20.2 jdolecek 195 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalEventHandler = NULL; 196 1.1.1.2.20.2 jdolecek AcpiGbl_SciHandlerList = NULL; 197 1.1.1.2.20.2 jdolecek 198 1.1.1.2.20.2 jdolecek #endif /* !ACPI_REDUCED_HARDWARE */ 199 1.1.1.2.20.2 jdolecek 200 1.1.1.2.20.2 jdolecek /* Global handlers */ 201 1.1.1.2.20.2 jdolecek 202 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalNotify[0].Handler = NULL; 203 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalNotify[1].Handler = NULL; 204 1.1.1.2.20.2 jdolecek AcpiGbl_ExceptionHandler = NULL; 205 1.1.1.2.20.2 jdolecek AcpiGbl_InitHandler = NULL; 206 1.1.1.2.20.2 jdolecek AcpiGbl_TableHandler = NULL; 207 1.1.1.2.20.2 jdolecek AcpiGbl_InterfaceHandler = NULL; 208 1.1.1.2.20.2 jdolecek 209 1.1.1.2.20.2 jdolecek /* Global Lock support */ 210 1.1.1.2.20.2 jdolecek 211 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalLockSemaphore = NULL; 212 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalLockMutex = NULL; 213 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalLockAcquired = FALSE; 214 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalLockHandle = 0; 215 1.1.1.2.20.2 jdolecek AcpiGbl_GlobalLockPresent = FALSE; 216 1.1.1.2.20.2 jdolecek 217 1.1.1.2.20.2 jdolecek /* Miscellaneous variables */ 218 1.1.1.2.20.2 jdolecek 219 1.1.1.2.20.2 jdolecek AcpiGbl_DSDT = NULL; 220 1.1.1.2.20.2 jdolecek AcpiGbl_CmSingleStep = FALSE; 221 1.1.1.2.20.2 jdolecek AcpiGbl_Shutdown = FALSE; 222 1.1.1.2.20.2 jdolecek AcpiGbl_NsLookupCount = 0; 223 1.1.1.2.20.2 jdolecek AcpiGbl_PsFindCount = 0; 224 1.1.1.2.20.2 jdolecek AcpiGbl_AcpiHardwarePresent = TRUE; 225 1.1.1.2.20.2 jdolecek AcpiGbl_LastOwnerIdIndex = 0; 226 1.1.1.2.20.2 jdolecek AcpiGbl_NextOwnerIdOffset = 0; 227 1.1.1.2.20.2 jdolecek AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; 228 1.1.1.2.20.2 jdolecek AcpiGbl_OsiMutex = NULL; 229 1.1.1.2.20.2 jdolecek 230 1.1.1.2.20.2 jdolecek /* Hardware oriented */ 231 1.1.1.2.20.2 jdolecek 232 1.1.1.2.20.2 jdolecek AcpiGbl_EventsInitialized = FALSE; 233 1.1.1.2.20.2 jdolecek AcpiGbl_SystemAwakeAndRunning = TRUE; 234 1.1.1.2.20.2 jdolecek 235 1.1.1.2.20.2 jdolecek /* Namespace */ 236 1.1.1.2.20.2 jdolecek 237 1.1.1.2.20.2 jdolecek AcpiGbl_ModuleCodeList = NULL; 238 1.1.1.2.20.2 jdolecek AcpiGbl_RootNode = NULL; 239 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 240 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 241 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 242 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Parent = NULL; 243 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Child = NULL; 244 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Peer = NULL; 245 1.1.1.2.20.2 jdolecek AcpiGbl_RootNodeStruct.Object = NULL; 246 1.1.1.2.20.2 jdolecek 247 1.1.1.2.20.2 jdolecek 248 1.1.1.2.20.2 jdolecek #ifdef ACPI_DISASSEMBLER 249 1.1.1.2.20.2 jdolecek AcpiGbl_ExternalList = NULL; 250 1.1.1.2.20.2 jdolecek AcpiGbl_NumExternalMethods = 0; 251 1.1.1.2.20.2 jdolecek AcpiGbl_ResolvedExternalMethods = 0; 252 1.1.1.2.20.2 jdolecek #endif 253 1.1.1.2.20.2 jdolecek 254 1.1.1.2.20.2 jdolecek #ifdef ACPI_DEBUG_OUTPUT 255 1.1.1.2.20.2 jdolecek AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX); 256 1.1.1.2.20.2 jdolecek #endif 257 1.1.1.2.20.2 jdolecek 258 1.1.1.2.20.2 jdolecek #ifdef ACPI_DBG_TRACK_ALLOCATIONS 259 1.1.1.2.20.2 jdolecek AcpiGbl_DisplayFinalMemStats = FALSE; 260 1.1.1.2.20.2 jdolecek AcpiGbl_DisableMemTracking = FALSE; 261 1.1.1.2.20.2 jdolecek #endif 262 1.1.1.2.20.2 jdolecek 263 1.1.1.2.20.2 jdolecek return_ACPI_STATUS (AE_OK); 264 1.1.1.2.20.2 jdolecek } 265 1.1.1.2.20.2 jdolecek 266 1.1.1.2.20.2 jdolecek 267 1.1.1.2.20.1 tls /****************************************************************************** 268 1.1.1.2.20.1 tls * 269 1.1.1.2.20.1 tls * FUNCTION: AcpiUtTerminate 270 1.1.1.2.20.1 tls * 271 1.1.1.2.20.1 tls * PARAMETERS: none 272 1.1.1.2.20.1 tls * 273 1.1.1.2.20.1 tls * RETURN: none 274 1.1.1.2.20.1 tls * 275 1.1.1.2.20.1 tls * DESCRIPTION: Free global memory 276 1.1.1.2.20.1 tls * 277 1.1.1.2.20.1 tls ******************************************************************************/ 278 1.1 jruoho 279 1.1.1.2.20.1 tls static void 280 1.1.1.2.20.1 tls AcpiUtTerminate ( 281 1.1.1.2.20.1 tls void) 282 1.1.1.2.20.1 tls { 283 1.1.1.2.20.1 tls ACPI_FUNCTION_TRACE (UtTerminate); 284 1.1.1.2.20.1 tls 285 1.1.1.2.20.1 tls AcpiUtFreeGpeLists (); 286 1.1.1.2.20.1 tls AcpiUtDeleteAddressLists (); 287 1.1 jruoho return_VOID; 288 1.1 jruoho } 289 1.1 jruoho 290 1.1 jruoho 291 1.1 jruoho /******************************************************************************* 292 1.1 jruoho * 293 1.1 jruoho * FUNCTION: AcpiUtSubsystemShutdown 294 1.1 jruoho * 295 1.1 jruoho * PARAMETERS: None 296 1.1 jruoho * 297 1.1 jruoho * RETURN: None 298 1.1 jruoho * 299 1.1 jruoho * DESCRIPTION: Shutdown the various components. Do not delete the mutex 300 1.1 jruoho * objects here, because the AML debugger may be still running. 301 1.1 jruoho * 302 1.1 jruoho ******************************************************************************/ 303 1.1 jruoho 304 1.1 jruoho void 305 1.1 jruoho AcpiUtSubsystemShutdown ( 306 1.1 jruoho void) 307 1.1 jruoho { 308 1.1 jruoho ACPI_FUNCTION_TRACE (UtSubsystemShutdown); 309 1.1 jruoho 310 1.1 jruoho 311 1.1.1.2.20.2 jdolecek /* Just exit if subsystem is already shutdown */ 312 1.1.1.2.20.2 jdolecek 313 1.1.1.2.20.2 jdolecek if (AcpiGbl_Shutdown) 314 1.1.1.2.20.2 jdolecek { 315 1.1.1.2.20.2 jdolecek ACPI_ERROR ((AE_INFO, "ACPI Subsystem is already terminated")); 316 1.1.1.2.20.2 jdolecek return_VOID; 317 1.1.1.2.20.2 jdolecek } 318 1.1.1.2.20.2 jdolecek 319 1.1.1.2.20.2 jdolecek /* Subsystem appears active, go ahead and shut it down */ 320 1.1.1.2.20.2 jdolecek 321 1.1.1.2.20.2 jdolecek AcpiGbl_Shutdown = TRUE; 322 1.1.1.2.20.2 jdolecek AcpiGbl_StartupFlags = 0; 323 1.1.1.2.20.2 jdolecek ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); 324 1.1.1.2.20.2 jdolecek 325 1.1 jruoho #ifndef ACPI_ASL_COMPILER 326 1.1 jruoho 327 1.1 jruoho /* Close the AcpiEvent Handling */ 328 1.1 jruoho 329 1.1 jruoho AcpiEvTerminate (); 330 1.1.1.2 jruoho 331 1.1.1.2 jruoho /* Delete any dynamic _OSI interfaces */ 332 1.1.1.2 jruoho 333 1.1.1.2 jruoho AcpiUtInterfaceTerminate (); 334 1.1 jruoho #endif 335 1.1 jruoho 336 1.1 jruoho /* Close the Namespace */ 337 1.1 jruoho 338 1.1 jruoho AcpiNsTerminate (); 339 1.1 jruoho 340 1.1 jruoho /* Delete the ACPI tables */ 341 1.1 jruoho 342 1.1 jruoho AcpiTbTerminate (); 343 1.1 jruoho 344 1.1 jruoho /* Close the globals */ 345 1.1 jruoho 346 1.1 jruoho AcpiUtTerminate (); 347 1.1 jruoho 348 1.1 jruoho /* Purge the local caches */ 349 1.1 jruoho 350 1.1 jruoho (void) AcpiUtDeleteCaches (); 351 1.1 jruoho return_VOID; 352 1.1 jruoho } 353
Indexes created Thu Oct 02 01:09:59 GMT 2025