acglobal.h revision 219707
1/****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2011, 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/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */ 133 134ACPI_TABLE_FADT AcpiGbl_FADT; 135UINT32 AcpiCurrentGpeCount; 136UINT32 AcpiGbl_TraceFlags; 137ACPI_NAME AcpiGbl_TraceMethodName; 138BOOLEAN AcpiGbl_SystemAwakeAndRunning; 139 140#endif 141 142/***************************************************************************** 143 * 144 * ACPI Table globals 145 * 146 ****************************************************************************/ 147 148/* 149 * AcpiGbl_RootTableList is the master list of ACPI tables that were 150 * found in the RSDT/XSDT. 151 */ 152ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList; 153ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS; 154 155/* These addresses are calculated from the FADT Event Block addresses */ 156 157ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus; 158ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable; 159 160ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus; 161ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable; 162 163/* DSDT information. Used to check for DSDT corruption */ 164 165ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT; 166ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader; 167 168/* 169 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is 170 * determined by the revision of the DSDT: If the DSDT revision is less than 171 * 2, use only the lower 32 bits of the internal 64-bit Integer. 172 */ 173ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth; 174ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth; 175ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth; 176 177 178/***************************************************************************** 179 * 180 * Mutual exlusion within ACPICA subsystem 181 * 182 ****************************************************************************/ 183 184/* 185 * Predefined mutex objects. This array contains the 186 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 187 * (The table maps local handles to the real OS handles) 188 */ 189ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]; 190 191/* 192 * Global lock mutex is an actual AML mutex object 193 * Global lock semaphore works in conjunction with the actual global lock 194 * Global lock spinlock is used for "pending" handshake 195 */ 196ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 197ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 198ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock; 199ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 200ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 201ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 202ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending; 203 204/* 205 * Spinlocks are used for interfaces that can be possibly called at 206 * interrupt level 207 */ 208ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 209ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 210 211/* Mutex for _OSI support */ 212 213ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex; 214 215/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 216 217ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 218 219 220/***************************************************************************** 221 * 222 * Miscellaneous globals 223 * 224 ****************************************************************************/ 225 226/* Object caches */ 227 228ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 229ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 230ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 231ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 232ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 233 234/* Global handlers */ 235 236ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 237ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 238ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 239ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 240ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 241ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 242ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 243ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler; 244 245/* Owner ID support */ 246 247ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 248ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 249ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 250 251/* Initialization sequencing */ 252 253ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted; 254 255/* Misc */ 256 257ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 258ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 259ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 260ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 261ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 262ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 263ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 264ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 265ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 266ACPI_EXTERN UINT8 AcpiGbl_OsiData; 267ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces; 268 269 270#ifndef DEFINE_ACPI_GLOBALS 271 272/* Exception codes */ 273 274extern char const *AcpiGbl_ExceptionNames_Env[]; 275extern char const *AcpiGbl_ExceptionNames_Pgm[]; 276extern char const *AcpiGbl_ExceptionNames_Tbl[]; 277extern char const *AcpiGbl_ExceptionNames_Aml[]; 278extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 279 280/* Other miscellaneous */ 281 282extern BOOLEAN AcpiGbl_Shutdown; 283extern UINT32 AcpiGbl_StartupFlags; 284extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 285extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 286extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 287extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 288extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS]; 289#endif 290 291 292#ifdef ACPI_DBG_TRACK_ALLOCATIONS 293 294/* Lists for tracking memory allocations */ 295 296ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 297ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 298ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 299ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking; 300#endif 301 302 303/***************************************************************************** 304 * 305 * Namespace globals 306 * 307 ****************************************************************************/ 308 309#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 310#define NUM_PREDEFINED_NAMES 10 311#else 312#define NUM_PREDEFINED_NAMES 9 313#endif 314 315ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 316ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 317ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 318ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 319 320 321extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 322extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 323 324#ifdef ACPI_DEBUG_OUTPUT 325ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 326ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 327ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 328ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 329ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 330ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 331#endif 332 333 334/***************************************************************************** 335 * 336 * Interpreter globals 337 * 338 ****************************************************************************/ 339 340 341ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 342 343/* Control method single step flag */ 344 345ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 346 347 348/***************************************************************************** 349 * 350 * Hardware globals 351 * 352 ****************************************************************************/ 353 354extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 355ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 356ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 357 358 359/***************************************************************************** 360 * 361 * Event and GPE globals 362 * 363 ****************************************************************************/ 364 365ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized; 366ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 367ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 368ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler; 369ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext; 370ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 371extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS]; 372 373 374/***************************************************************************** 375 * 376 * Debug support 377 * 378 ****************************************************************************/ 379 380/* Procedure nesting level for debug output */ 381 382extern UINT32 AcpiGbl_NestingLevel; 383 384/* Event counters */ 385 386ACPI_EXTERN UINT32 AcpiMethodCount; 387ACPI_EXTERN UINT32 AcpiGpeCount; 388ACPI_EXTERN UINT32 AcpiSciCount; 389ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 390 391/* Support for dynamic control method tracing mechanism */ 392 393ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 394ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 395ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 396ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 397 398 399/***************************************************************************** 400 * 401 * Debugger globals 402 * 403 ****************************************************************************/ 404 405ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 406 407#ifdef ACPI_DISASSEMBLER 408 409ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 410ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 411ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 412ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList; 413#endif 414 415 416#ifdef ACPI_DEBUGGER 417 418extern BOOLEAN AcpiGbl_MethodExecuting; 419extern BOOLEAN AcpiGbl_AbortMethod; 420extern BOOLEAN AcpiGbl_DbTerminateThreads; 421 422ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 423ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 424ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 425ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 426 427ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 428ACPI_EXTERN char AcpiGbl_DbLineBuf[80]; 429ACPI_EXTERN char AcpiGbl_DbParsedBuf[80]; 430ACPI_EXTERN char AcpiGbl_DbScopeBuf[40]; 431ACPI_EXTERN char AcpiGbl_DbDebugFilename[40]; 432ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 433ACPI_EXTERN char *AcpiGbl_DbBuffer; 434ACPI_EXTERN char *AcpiGbl_DbFilename; 435ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 436ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 437ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 438 439/* 440 * Statistic globals 441 */ 442ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 443ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 444ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 445ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 446ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 447ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 448 449 450ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 451ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 452ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 453ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 454 455#endif /* ACPI_DEBUGGER */ 456 457#endif /* __ACGLOBAL_H__ */ 458