1 /****************************************************************************** 2 * 3 * Module Name: utglobal - Global variables for the ACPI subsystem 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2013, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 #define __UTGLOBAL_C__ 117 #define DEFINE_ACPI_GLOBALS 118 119 #include "acpi.h" 120 #include "accommon.h" 121 122 #define _COMPONENT ACPI_UTILITIES 123 ACPI_MODULE_NAME ("utglobal") 124 125 126 /******************************************************************************* 127 * 128 * Static global variable initialization. 129 * 130 ******************************************************************************/ 131 132 /* 133 * We want the debug switches statically initialized so they 134 * are already set when the debugger is entered. 135 */ 136 137 /* Debug switch - level and trace mask */ 138 139 #ifdef ACPI_DEBUG_OUTPUT 140 UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT; 141 #else 142 UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT; 143 #endif 144 145 /* Debug switch - layer (component) mask */ 146 147 UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT; 148 UINT32 AcpiGbl_NestingLevel = 0; 149 150 /* Debugger globals */ 151 152 BOOLEAN AcpiGbl_DbTerminateThreads = FALSE; 153 BOOLEAN AcpiGbl_AbortMethod = FALSE; 154 BOOLEAN AcpiGbl_MethodExecuting = FALSE; 155 156 /* System flags */ 157 158 UINT32 AcpiGbl_StartupFlags = 0; 159 160 /* System starts uninitialized */ 161 162 BOOLEAN AcpiGbl_Shutdown = TRUE; 163 164 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] = 165 { 166 "\\_S0_", 167 "\\_S1_", 168 "\\_S2_", 169 "\\_S3_", 170 "\\_S4_", 171 "\\_S5_" 172 }; 173 174 const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] = 175 { 176 "_S0W", 177 "_S1W", 178 "_S2W", 179 "_S3W", 180 "_S4W" 181 }; 182 183 const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] = 184 { 185 "_S1D", 186 "_S2D", 187 "_S3D", 188 "_S4D" 189 }; 190 191 192 /******************************************************************************* 193 * 194 * Namespace globals 195 * 196 ******************************************************************************/ 197 198 /* 199 * Predefined ACPI Names (Built-in to the Interpreter) 200 * 201 * NOTES: 202 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 203 * during the initialization sequence. 204 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 205 * perform a Notify() operation on it. 09/2010: Changed to type Device. 206 * This still allows notifies, but does not confuse host code that 207 * searches for valid ThermalZone objects. 208 */ 209 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] = 210 { 211 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 212 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 213 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 214 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 215 {"_TZ_", ACPI_TYPE_DEVICE, NULL}, 216 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, 217 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 218 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, 219 220 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 221 {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, 222 #endif 223 224 /* Table terminator */ 225 226 {NULL, ACPI_TYPE_ANY, NULL} 227 }; 228 229 230 #if (!ACPI_REDUCED_HARDWARE) 231 /****************************************************************************** 232 * 233 * Event and Hardware globals 234 * 235 ******************************************************************************/ 236 237 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] = 238 { 239 /* Name Parent Register Register Bit Position Register Bit Mask */ 240 241 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, 242 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, 243 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 244 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, 245 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 246 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, 247 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, 248 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 249 250 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, 251 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 252 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 253 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 254 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, 255 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 256 257 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, 258 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, 259 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 260 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE}, 261 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, 262 263 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} 264 }; 265 266 267 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] = 268 { 269 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, 270 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 271 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, 272 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 273 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, 274 }; 275 #endif /* !ACPI_REDUCED_HARDWARE */ 276 277 278 /******************************************************************************* 279 * 280 * FUNCTION: AcpiUtInitGlobals 281 * 282 * PARAMETERS: None 283 * 284 * RETURN: Status 285 * 286 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific 287 * initialization should be initialized here. This allows for 288 * a warm restart. 289 * 290 ******************************************************************************/ 291 292 ACPI_STATUS 293 AcpiUtInitGlobals ( 294 void) 295 { 296 ACPI_STATUS Status; 297 UINT32 i; 298 299 300 ACPI_FUNCTION_TRACE (UtInitGlobals); 301 302 303 /* Create all memory caches */ 304 305 Status = AcpiUtCreateCaches (); 306 if (ACPI_FAILURE (Status)) 307 { 308 return_ACPI_STATUS (Status); 309 } 310 311 /* Address Range lists */ 312 313 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) 314 { 315 AcpiGbl_AddressRangeList[i] = NULL; 316 } 317 318 /* Mutex locked flags */ 319 320 for (i = 0; i < ACPI_NUM_MUTEX; i++) 321 { 322 AcpiGbl_MutexInfo[i].Mutex = NULL; 323 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED; 324 AcpiGbl_MutexInfo[i].UseCount = 0; 325 } 326 327 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) 328 { 329 AcpiGbl_OwnerIdMask[i] = 0; 330 } 331 332 /* Last OwnerID is never valid */ 333 334 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; 335 336 /* Event counters */ 337 338 AcpiMethodCount = 0; 339 AcpiSciCount = 0; 340 AcpiGpeCount = 0; 341 342 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) 343 { 344 AcpiFixedEventCount[i] = 0; 345 } 346 347 #if (!ACPI_REDUCED_HARDWARE) 348 349 /* GPE/SCI support */ 350 351 AcpiGbl_AllGpesInitialized = FALSE; 352 AcpiGbl_GpeXruptListHead = NULL; 353 AcpiGbl_GpeFadtBlocks[0] = NULL; 354 AcpiGbl_GpeFadtBlocks[1] = NULL; 355 AcpiCurrentGpeCount = 0; 356 357 AcpiGbl_GlobalEventHandler = NULL; 358 AcpiGbl_SciHandlerList = NULL; 359 360 #endif /* !ACPI_REDUCED_HARDWARE */ 361 362 /* Global handlers */ 363 364 AcpiGbl_GlobalNotify[0].Handler = NULL; 365 AcpiGbl_GlobalNotify[1].Handler = NULL; 366 AcpiGbl_ExceptionHandler = NULL; 367 AcpiGbl_InitHandler = NULL; 368 AcpiGbl_TableHandler = NULL; 369 AcpiGbl_InterfaceHandler = NULL; 370 371 /* Global Lock support */ 372 373 AcpiGbl_GlobalLockSemaphore = NULL; 374 AcpiGbl_GlobalLockMutex = NULL; 375 AcpiGbl_GlobalLockAcquired = FALSE; 376 AcpiGbl_GlobalLockHandle = 0; 377 AcpiGbl_GlobalLockPresent = FALSE; 378 379 /* Miscellaneous variables */ 380 381 AcpiGbl_DSDT = NULL; 382 AcpiGbl_CmSingleStep = FALSE; 383 AcpiGbl_DbTerminateThreads = FALSE; 384 AcpiGbl_Shutdown = FALSE; 385 AcpiGbl_NsLookupCount = 0; 386 AcpiGbl_PsFindCount = 0; 387 AcpiGbl_AcpiHardwarePresent = TRUE; 388 AcpiGbl_LastOwnerIdIndex = 0; 389 AcpiGbl_NextOwnerIdOffset = 0; 390 AcpiGbl_TraceMethodName = 0; 391 AcpiGbl_TraceDbgLevel = 0; 392 AcpiGbl_TraceDbgLayer = 0; 393 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING; 394 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT; 395 AcpiGbl_OsiMutex = NULL; 396 AcpiGbl_RegMethodsExecuted = FALSE; 397 398 /* Hardware oriented */ 399 400 AcpiGbl_EventsInitialized = FALSE; 401 AcpiGbl_SystemAwakeAndRunning = TRUE; 402 403 /* Namespace */ 404 405 AcpiGbl_ModuleCodeList = NULL; 406 AcpiGbl_RootNode = NULL; 407 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME; 408 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED; 409 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE; 410 AcpiGbl_RootNodeStruct.Parent = NULL; 411 AcpiGbl_RootNodeStruct.Child = NULL; 412 AcpiGbl_RootNodeStruct.Peer = NULL; 413 AcpiGbl_RootNodeStruct.Object = NULL; 414 415 416 #ifdef ACPI_DISASSEMBLER 417 AcpiGbl_ExternalList = NULL; 418 AcpiGbl_NumExternalMethods = 0; 419 AcpiGbl_ResolvedExternalMethods = 0; 420 #endif 421 422 #ifdef ACPI_DEBUG_OUTPUT 423 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX); 424 #endif 425 426 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 427 AcpiGbl_DisplayFinalMemStats = FALSE; 428 AcpiGbl_DisableMemTracking = FALSE; 429 #endif 430 431 return_ACPI_STATUS (AE_OK); 432 } 433 434 /* Public globals */ 435 436 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT) 437 ACPI_EXPORT_SYMBOL (AcpiDbgLevel) 438 ACPI_EXPORT_SYMBOL (AcpiDbgLayer) 439 ACPI_EXPORT_SYMBOL (AcpiGpeCount) 440 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount) 441