acglobal.h revision 231844
1/****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2012, 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#ifndef __ACGLOBAL_H__ 45#define __ACGLOBAL_H__ 46 47 48/* 49 * Ensure that the globals are actually defined and initialized only once. 50 * 51 * The use of these macros allows a single list of globals (here) in order 52 * to simplify maintenance of the code. 53 */ 54#ifdef DEFINE_ACPI_GLOBALS 55#define ACPI_EXTERN 56#define ACPI_INIT_GLOBAL(a,b) a=b 57#else 58#define ACPI_EXTERN extern 59#define ACPI_INIT_GLOBAL(a,b) a 60#endif 61 62 63#ifdef DEFINE_ACPI_GLOBALS 64 65/* Public globals, available from outside ACPICA subsystem */ 66 67/***************************************************************************** 68 * 69 * Runtime configuration (static defaults that can be overriden at runtime) 70 * 71 ****************************************************************************/ 72 73/* 74 * Enable "slack" in the AML interpreter? Default is FALSE, and the 75 * interpreter strictly follows the ACPI specification. Setting to TRUE 76 * allows the interpreter to ignore certain errors and/or bad AML constructs. 77 * 78 * Currently, these features are enabled by this flag: 79 * 80 * 1) Allow "implicit return" of last value in a control method 81 * 2) Allow access beyond the end of an operation region 82 * 3) Allow access to uninitialized locals/args (auto-init to integer 0) 83 * 4) Allow ANY object type to be a source operand for the Store() operator 84 * 5) Allow unresolved references (invalid target name) in package objects 85 * 6) Enable warning messages for behavior that is not ACPI spec compliant 86 */ 87UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableInterpreterSlack, FALSE); 88 89/* 90 * Automatically serialize ALL control methods? Default is FALSE, meaning 91 * to use the Serialized/NotSerialized method flags on a per method basis. 92 * Only change this if the ASL code is poorly written and cannot handle 93 * reentrancy even though methods are marked "NotSerialized". 94 */ 95UINT8 ACPI_INIT_GLOBAL (AcpiGbl_AllMethodsSerialized, FALSE); 96 97/* 98 * Create the predefined _OSI method in the namespace? Default is TRUE 99 * because ACPI CA is fully compatible with other ACPI implementations. 100 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. 101 */ 102UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CreateOsiMethod, TRUE); 103 104/* 105 * Optionally use default values for the ACPI register widths. Set this to 106 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths. 107 */ 108UINT8 ACPI_INIT_GLOBAL (AcpiGbl_UseDefaultRegisterWidths, TRUE); 109 110/* 111 * Optionally enable output from the AML Debug Object. 112 */ 113UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableAmlDebugObject, FALSE); 114 115/* 116 * Optionally copy the entire DSDT to local memory (instead of simply 117 * mapping it.) There are some BIOSs that corrupt or replace the original 118 * DSDT, creating the need for this option. Default is FALSE, do not copy 119 * the DSDT. 120 */ 121UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CopyDsdtLocally, FALSE); 122 123/* 124 * Optionally truncate I/O addresses to 16 bits. Provides compatibility 125 * with other ACPI implementations. NOTE: During ACPICA initialization, 126 * this value is set to TRUE if any Windows OSI strings have been 127 * requested by the BIOS. 128 */ 129UINT8 ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses, FALSE); 130 131/* 132 * Disable runtime checking and repair of values returned by control methods. 133 * Use only if the repair is causing a problem on a particular machine. 134 */ 135UINT8 ACPI_INIT_GLOBAL (AcpiGbl_DisableAutoRepair, FALSE); 136 137 138/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */ 139 140ACPI_TABLE_FADT AcpiGbl_FADT; 141UINT32 AcpiCurrentGpeCount; 142UINT32 AcpiGbl_TraceFlags; 143ACPI_NAME AcpiGbl_TraceMethodName; 144BOOLEAN AcpiGbl_SystemAwakeAndRunning; 145 146/* 147 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning 148 * that the ACPI hardware is no longer required. A flag in the FADT indicates 149 * a reduced HW machine, and that flag is duplicated here for convenience. 150 */ 151BOOLEAN AcpiGbl_ReducedHardware; 152 153#endif /* DEFINE_ACPI_GLOBALS */ 154 155/* Do not disassemble buffers to resource descriptors */ 156 157ACPI_EXTERN UINT8 ACPI_INIT_GLOBAL (AcpiGbl_NoResourceDisassembly, FALSE); 158 159/***************************************************************************** 160 * 161 * ACPI Table globals 162 * 163 ****************************************************************************/ 164 165/* 166 * AcpiGbl_RootTableList is the master list of ACPI tables that were 167 * found in the RSDT/XSDT. 168 */ 169ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList; 170 171#if (!ACPI_REDUCED_HARDWARE) 172ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS; 173 174#endif /* !ACPI_REDUCED_HARDWARE */ 175 176/* These addresses are calculated from the FADT Event Block addresses */ 177 178ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus; 179ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable; 180 181ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus; 182ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable; 183 184/* DSDT information. Used to check for DSDT corruption */ 185 186ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT; 187ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader; 188 189/* 190 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is 191 * determined by the revision of the DSDT: If the DSDT revision is less than 192 * 2, use only the lower 32 bits of the internal 64-bit Integer. 193 */ 194ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth; 195ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth; 196ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth; 197 198 199/***************************************************************************** 200 * 201 * Mutual exclusion within ACPICA subsystem 202 * 203 ****************************************************************************/ 204 205/* 206 * Predefined mutex objects. This array contains the 207 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 208 * (The table maps local handles to the real OS handles) 209 */ 210ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]; 211 212/* 213 * Global lock mutex is an actual AML mutex object 214 * Global lock semaphore works in conjunction with the actual global lock 215 * Global lock spinlock is used for "pending" handshake 216 */ 217ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 218ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 219ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock; 220ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 221ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 222ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 223ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending; 224 225/* 226 * Spinlocks are used for interfaces that can be possibly called at 227 * interrupt level 228 */ 229ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 230ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 231 232/* Mutex for _OSI support */ 233 234ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex; 235 236/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 237 238ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 239 240 241/***************************************************************************** 242 * 243 * Miscellaneous globals 244 * 245 ****************************************************************************/ 246 247/* Object caches */ 248 249ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 250ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 251ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 252ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 253ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 254 255/* Global handlers */ 256 257ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 258ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 259ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 260ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 261ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 262ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 263ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 264ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler; 265 266/* Owner ID support */ 267 268ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 269ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 270ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 271 272/* Initialization sequencing */ 273 274ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted; 275 276/* Misc */ 277 278ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 279ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 280ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 281ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 282ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 283ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 284ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 285ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 286ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 287ACPI_EXTERN UINT8 AcpiGbl_OsiData; 288ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces; 289ACPI_EXTERN ACPI_ADDRESS_RANGE *AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX]; 290 291 292#ifndef DEFINE_ACPI_GLOBALS 293 294/* Exception codes */ 295 296extern char const *AcpiGbl_ExceptionNames_Env[]; 297extern char const *AcpiGbl_ExceptionNames_Pgm[]; 298extern char const *AcpiGbl_ExceptionNames_Tbl[]; 299extern char const *AcpiGbl_ExceptionNames_Aml[]; 300extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 301 302/* Other miscellaneous */ 303 304extern BOOLEAN AcpiGbl_Shutdown; 305extern UINT32 AcpiGbl_StartupFlags; 306extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 307extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 308extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 309extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 310extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS]; 311#endif 312 313 314#ifdef ACPI_DBG_TRACK_ALLOCATIONS 315 316/* Lists for tracking memory allocations */ 317 318ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 319ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 320ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 321ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking; 322#endif 323 324 325/***************************************************************************** 326 * 327 * Namespace globals 328 * 329 ****************************************************************************/ 330 331#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 332#define NUM_PREDEFINED_NAMES 10 333#else 334#define NUM_PREDEFINED_NAMES 9 335#endif 336 337ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 338ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 339ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 340ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 341 342 343extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 344extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 345 346#ifdef ACPI_DEBUG_OUTPUT 347ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 348ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 349ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 350ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 351ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 352ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 353#endif 354 355 356/***************************************************************************** 357 * 358 * Interpreter globals 359 * 360 ****************************************************************************/ 361 362 363ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 364 365/* Control method single step flag */ 366 367ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 368 369 370/***************************************************************************** 371 * 372 * Hardware globals 373 * 374 ****************************************************************************/ 375 376extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 377ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 378ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 379 380 381/***************************************************************************** 382 * 383 * Event and GPE globals 384 * 385 ****************************************************************************/ 386 387#if (!ACPI_REDUCED_HARDWARE) 388 389ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized; 390ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 391ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 392ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler; 393ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext; 394ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 395extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS]; 396 397#endif /* !ACPI_REDUCED_HARDWARE */ 398 399/***************************************************************************** 400 * 401 * Debug support 402 * 403 ****************************************************************************/ 404 405/* Procedure nesting level for debug output */ 406 407extern UINT32 AcpiGbl_NestingLevel; 408 409/* Event counters */ 410 411ACPI_EXTERN UINT32 AcpiMethodCount; 412ACPI_EXTERN UINT32 AcpiGpeCount; 413ACPI_EXTERN UINT32 AcpiSciCount; 414ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 415 416/* Support for dynamic control method tracing mechanism */ 417 418ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 419ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 420ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 421ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 422 423 424/***************************************************************************** 425 * 426 * Debugger globals 427 * 428 ****************************************************************************/ 429 430ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 431 432#ifdef ACPI_DISASSEMBLER 433 434ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 435ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 436ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 437ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList; 438#endif 439 440 441#ifdef ACPI_DEBUGGER 442 443extern BOOLEAN AcpiGbl_MethodExecuting; 444extern BOOLEAN AcpiGbl_AbortMethod; 445extern BOOLEAN AcpiGbl_DbTerminateThreads; 446 447ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 448ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 449ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 450ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 451 452ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 453ACPI_EXTERN ACPI_OBJECT_TYPE AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]; 454ACPI_EXTERN char AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]; 455ACPI_EXTERN char AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]; 456ACPI_EXTERN char AcpiGbl_DbScopeBuf[80]; 457ACPI_EXTERN char AcpiGbl_DbDebugFilename[80]; 458ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 459ACPI_EXTERN char *AcpiGbl_DbBuffer; 460ACPI_EXTERN char *AcpiGbl_DbFilename; 461ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 462ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 463ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 464 465/* 466 * Statistic globals 467 */ 468ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 469ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 470ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 471ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 472ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 473ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 474 475 476ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 477ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 478ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 479ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 480 481#endif /* ACPI_DEBUGGER */ 482 483#endif /* __ACGLOBAL_H__ */ 484