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 * 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#endif 147 148/***************************************************************************** 149 * 150 * ACPI Table globals 151 * 152 ****************************************************************************/ 153 154/* 155 * AcpiGbl_RootTableList is the master list of ACPI tables that were 156 * found in the RSDT/XSDT. 157 */ 158ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList; 159ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS; 160 161/* These addresses are calculated from the FADT Event Block addresses */ 162 163ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus; 164ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable; 165 166ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus; 167ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable; 168 169/* DSDT information. Used to check for DSDT corruption */ 170 171ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT; 172ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader; 173 174/* 175 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is 176 * determined by the revision of the DSDT: If the DSDT revision is less than 177 * 2, use only the lower 32 bits of the internal 64-bit Integer. 178 */ 179ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth; 180ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth; 181ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth; 182 183 184/***************************************************************************** 185 * 186 * Mutual exlusion within ACPICA subsystem 187 * 188 ****************************************************************************/ 189 190/* 191 * Predefined mutex objects. This array contains the 192 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 193 * (The table maps local handles to the real OS handles) 194 */ 195ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]; 196 197/* 198 * Global lock mutex is an actual AML mutex object 199 * Global lock semaphore works in conjunction with the actual global lock 200 * Global lock spinlock is used for "pending" handshake 201 */ 202ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 203ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 204ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock; 205ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 206ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 207ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 208ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending; 209 210/* 211 * Spinlocks are used for interfaces that can be possibly called at 212 * interrupt level 213 */ 214ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 215ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 216 217/* Mutex for _OSI support */ 218 219ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex; 220 221/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 222 223ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 224 225 226/***************************************************************************** 227 * 228 * Miscellaneous globals 229 * 230 ****************************************************************************/ 231 232/* Object caches */ 233 234ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 235ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 236ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 237ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 238ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 239 240/* Global handlers */ 241 242ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 243ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 244ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 245ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 246ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 247ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 248ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 249ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler; 250 251/* Owner ID support */ 252 253ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 254ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 255ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 256 257/* Initialization sequencing */ 258 259ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted; 260 261/* Misc */ 262 263ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 264ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 265ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 266ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 267ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 268ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 269ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 270ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 271ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 272ACPI_EXTERN UINT8 AcpiGbl_OsiData; 273ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces; 274 275 276#ifndef DEFINE_ACPI_GLOBALS 277 278/* Exception codes */ 279 280extern char const *AcpiGbl_ExceptionNames_Env[]; 281extern char const *AcpiGbl_ExceptionNames_Pgm[]; 282extern char const *AcpiGbl_ExceptionNames_Tbl[]; 283extern char const *AcpiGbl_ExceptionNames_Aml[]; 284extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 285 286/* Other miscellaneous */ 287 288extern BOOLEAN AcpiGbl_Shutdown; 289extern UINT32 AcpiGbl_StartupFlags; 290extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 291extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 292extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 293extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 294extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS]; 295#endif 296 297 298#ifdef ACPI_DBG_TRACK_ALLOCATIONS 299 300/* Lists for tracking memory allocations */ 301 302ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 303ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 304ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 305ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking; 306#endif 307 308 309/***************************************************************************** 310 * 311 * Namespace globals 312 * 313 ****************************************************************************/ 314 315#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 316#define NUM_PREDEFINED_NAMES 10 317#else 318#define NUM_PREDEFINED_NAMES 9 319#endif 320 321ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 322ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 323ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 324ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 325 326 327extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 328extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 329 330#ifdef ACPI_DEBUG_OUTPUT 331ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 332ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 333ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 334ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 335ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 336ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 337#endif 338 339 340/***************************************************************************** 341 * 342 * Interpreter globals 343 * 344 ****************************************************************************/ 345 346 347ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 348 349/* Control method single step flag */ 350 351ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 352 353 354/***************************************************************************** 355 * 356 * Hardware globals 357 * 358 ****************************************************************************/ 359 360extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 361ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 362ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 363 364 365/***************************************************************************** 366 * 367 * Event and GPE globals 368 * 369 ****************************************************************************/ 370 371ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized; 372ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 373ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 374ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler; 375ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext; 376ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 377extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS]; 378 379 380/***************************************************************************** 381 * 382 * Debug support 383 * 384 ****************************************************************************/ 385 386/* Procedure nesting level for debug output */ 387 388extern UINT32 AcpiGbl_NestingLevel; 389 390/* Event counters */ 391 392ACPI_EXTERN UINT64 AcpiMethodCount; 393ACPI_EXTERN UINT64 AcpiGpeCount; 394ACPI_EXTERN UINT64 AcpiSciCount; 395ACPI_EXTERN UINT64 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 396 397/* Support for dynamic control method tracing mechanism */ 398 399ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 400ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 401ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 402ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 403 404 405/***************************************************************************** 406 * 407 * Debugger globals 408 * 409 ****************************************************************************/ 410 411ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 412 413#ifdef ACPI_DISASSEMBLER 414 415ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 416ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 417ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 418ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList; 419#endif 420 421 422#ifdef ACPI_DEBUGGER 423 424extern BOOLEAN AcpiGbl_MethodExecuting; 425extern BOOLEAN AcpiGbl_AbortMethod; 426extern BOOLEAN AcpiGbl_DbTerminateThreads; 427 428ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 429ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 430ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 431ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 432 433ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 434ACPI_EXTERN ACPI_OBJECT_TYPE AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]; 435ACPI_EXTERN char AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]; 436ACPI_EXTERN char AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]; 437ACPI_EXTERN char AcpiGbl_DbScopeBuf[80]; 438ACPI_EXTERN char AcpiGbl_DbDebugFilename[80]; 439ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 440ACPI_EXTERN char *AcpiGbl_DbBuffer; 441ACPI_EXTERN char *AcpiGbl_DbFilename; 442ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 443ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 444ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 445 446/* 447 * Statistic globals 448 */ 449ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 450ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 451ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 452ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 453ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 454ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 455 456 457ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 458ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 459ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 460ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 461 462#endif /* ACPI_DEBUGGER */ 463 464#endif /* __ACGLOBAL_H__ */ 465