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 */ 87 UINT8 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 */ 95 UINT8 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 */ 102 UINT8 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 */ 108 UINT8 ACPI_INIT_GLOBAL (AcpiGbl_UseDefaultRegisterWidths, TRUE); 109 110 /* 111 * Optionally enable output from the AML Debug Object. 112 */ 113 UINT8 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 */ 121 UINT8 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 */ 129 UINT8 ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses, FALSE); 130 131 132 /* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */ 133 134 ACPI_TABLE_FADT AcpiGbl_FADT; 135 UINT32 AcpiCurrentGpeCount; 136 UINT32 AcpiGbl_TraceFlags; 137 ACPI_NAME AcpiGbl_TraceMethodName; 138 BOOLEAN 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 */ 152 ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList; 153 ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS; 154 155 /* These addresses are calculated from the FADT Event Block addresses */ 156 157 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus; 158 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable; 159 160 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus; 161 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable; 162 163 /* DSDT information. Used to check for DSDT corruption */ 164 165 ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT; 166 ACPI_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 */ 173 ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth; 174 ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth; 175 ACPI_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 */ 189 ACPI_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 */ 196 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 197 ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 198 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock; 199 ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 200 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 201 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 202 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending; 203 204 /* 205 * Spinlocks are used for interfaces that can be possibly called at 206 * interrupt level 207 */ 208 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 209 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 210 211 /* Mutex for _OSI support */ 212 213 ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex; 214 215 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 216 217 ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 218 219 220 /***************************************************************************** 221 * 222 * Miscellaneous globals 223 * 224 ****************************************************************************/ 225 226 /* Object caches */ 227 228 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 229 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 230 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 231 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 232 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 233 234 /* Global handlers */ 235 236 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 237 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 238 ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 239 ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 240 ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 241 ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 242 ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 243 ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler; 244 245 /* Owner ID support */ 246 247 ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 248 ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 249 ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 250 251 /* Initialization sequencing */ 252 253 ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted; 254 255 /* Misc */ 256 257 ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 258 ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 259 ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 260 ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 261 ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 262 ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 263 ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 264 ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 265 ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 266 ACPI_EXTERN UINT8 AcpiGbl_OsiData; 267 ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces; 268 269 270 #ifndef DEFINE_ACPI_GLOBALS 271 272 /* Exception codes */ 273 274 extern char const *AcpiGbl_ExceptionNames_Env[]; 275 extern char const *AcpiGbl_ExceptionNames_Pgm[]; 276 extern char const *AcpiGbl_ExceptionNames_Tbl[]; 277 extern char const *AcpiGbl_ExceptionNames_Aml[]; 278 extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 279 280 /* Other miscellaneous */ 281 282 extern BOOLEAN AcpiGbl_Shutdown; 283 extern UINT32 AcpiGbl_StartupFlags; 284 extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 285 extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 286 extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 287 extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 288 extern 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 */ 295 296 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 297 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 298 ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 299 ACPI_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 314 315 ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 316 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 317 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 318 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 319 320 321 extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 322 extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 323 324 #ifdef ACPI_DEBUG_OUTPUT 325 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 326 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 327 ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 328 ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 329 ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 330 ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 331 #endif 332 333 334 /***************************************************************************** 335 * 336 * Interpreter globals 337 * 338 ****************************************************************************/ 339 340 341 ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 342 343 /* Control method single step flag */ 344 345 ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 346 347 348 /***************************************************************************** 349 * 350 * Hardware globals 351 * 352 ****************************************************************************/ 353 354 extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 355 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 356 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 357 358 359 /***************************************************************************** 360 * 361 * Event and GPE globals 362 * 363 ****************************************************************************/ 364 365 ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized; 366 ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 367 ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 368 ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler; 369 ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext; 370 ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 371 extern 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 */ 381 382 extern UINT32 AcpiGbl_NestingLevel; 383 384 /* Event counters */ 385 386 ACPI_EXTERN UINT32 AcpiMethodCount; 387 ACPI_EXTERN UINT32 AcpiGpeCount; 388 ACPI_EXTERN UINT32 AcpiSciCount; 389 ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 390 391 /* Support for dynamic control method tracing mechanism */ 392 393 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 394 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 395 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 396 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 397 398 399 /***************************************************************************** 400 * 401 * Debugger globals 402 * 403 ****************************************************************************/ 404 405 ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 406 407 #ifdef ACPI_DISASSEMBLER 408 409 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 410 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 411 ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 412 ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList; 413 #endif 414 415 416 #ifdef ACPI_DEBUGGER 417 418 extern BOOLEAN AcpiGbl_MethodExecuting; 419 extern BOOLEAN AcpiGbl_AbortMethod; 420 extern BOOLEAN AcpiGbl_DbTerminateThreads; 421 422 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 423 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 424 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 425 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 426 427 ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 428 ACPI_EXTERN ACPI_OBJECT_TYPE AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]; 429 ACPI_EXTERN char AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]; 430 ACPI_EXTERN char AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]; 431 ACPI_EXTERN char AcpiGbl_DbScopeBuf[80]; 432 ACPI_EXTERN char AcpiGbl_DbDebugFilename[80]; 433 ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 434 ACPI_EXTERN char *AcpiGbl_DbBuffer; 435 ACPI_EXTERN char *AcpiGbl_DbFilename; 436 ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 437 ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 438 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 439 440 /* 441 * Statistic globals 442 */ 443 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 444 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 445 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 446 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 447 ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 448 ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 449 450 451 ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 452 ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 453 ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 454 ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 455 456 #endif /* ACPI_DEBUGGER */ 457 458 #endif /* __ACGLOBAL_H__ */ 459