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 HW global lock 194 */ 195 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 196 ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 197 ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 198 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 199 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 200 201 /* 202 * Spinlocks are used for interfaces that can be possibly called at 203 * interrupt level 204 */ 205 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 206 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 207 208 /* Mutex for _OSI support */ 209 210 ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex; 211 212 /* Reader/Writer lock is used for namespace walk and dynamic table unload */ 213 214 ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 215 216 217 /***************************************************************************** 218 * 219 * Miscellaneous globals 220 * 221 ****************************************************************************/ 222 223 /* Object caches */ 224 225 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 226 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 227 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 228 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 229 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 230 231 /* Global handlers */ 232 233 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 234 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 235 ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 236 ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 237 ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 238 ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 239 ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 240 ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler; 241 242 /* Owner ID support */ 243 244 ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 245 ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 246 ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 247 248 /* Initialization sequencing */ 249 250 ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted; 251 252 /* Misc */ 253 254 ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 255 ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 256 ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 257 ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 258 ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 259 ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 260 ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 261 ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 262 ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 263 ACPI_EXTERN UINT8 AcpiGbl_OsiData; 264 ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces; 265 266 267 #ifndef DEFINE_ACPI_GLOBALS 268 269 /* Exception codes */ 270 271 extern char const *AcpiGbl_ExceptionNames_Env[]; 272 extern char const *AcpiGbl_ExceptionNames_Pgm[]; 273 extern char const *AcpiGbl_ExceptionNames_Tbl[]; 274 extern char const *AcpiGbl_ExceptionNames_Aml[]; 275 extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 276 277 /* Other miscellaneous */ 278 279 extern BOOLEAN AcpiGbl_Shutdown; 280 extern UINT32 AcpiGbl_StartupFlags; 281 extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 282 extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 283 extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 284 extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 285 extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS]; 286 #endif 287 288 289 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 290 291 /* Lists for tracking memory allocations */ 292 293 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 294 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 295 ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 296 ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking; 297 #endif 298 299 300 /***************************************************************************** 301 * 302 * Namespace globals 303 * 304 ****************************************************************************/ 305 306 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 307 #define NUM_PREDEFINED_NAMES 10 308 #else 309 #define NUM_PREDEFINED_NAMES 9 310 #endif 311 312 ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 313 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 314 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 315 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 316 317 318 extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 319 extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 320 321 #ifdef ACPI_DEBUG_OUTPUT 322 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 323 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 324 ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 325 ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 326 ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 327 ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 328 #endif 329 330 331 /***************************************************************************** 332 * 333 * Interpreter globals 334 * 335 ****************************************************************************/ 336 337 338 ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 339 340 /* Control method single step flag */ 341 342 ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 343 344 345 /***************************************************************************** 346 * 347 * Hardware globals 348 * 349 ****************************************************************************/ 350 351 extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 352 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 353 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 354 355 356 /***************************************************************************** 357 * 358 * Event and GPE globals 359 * 360 ****************************************************************************/ 361 362 ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized; 363 ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 364 ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 365 ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler; 366 ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext; 367 ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 368 extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS]; 369 370 371 /***************************************************************************** 372 * 373 * Debug support 374 * 375 ****************************************************************************/ 376 377 /* Procedure nesting level for debug output */ 378 379 extern UINT32 AcpiGbl_NestingLevel; 380 381 /* Event counters */ 382 383 ACPI_EXTERN UINT64 AcpiMethodCount; 384 ACPI_EXTERN UINT64 AcpiGpeCount; 385 ACPI_EXTERN UINT64 AcpiSciCount; 386 ACPI_EXTERN UINT64 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 387 388 /* Support for dynamic control method tracing mechanism */ 389 390 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 391 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 392 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 393 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 394 395 396 /***************************************************************************** 397 * 398 * Debugger globals 399 * 400 ****************************************************************************/ 401 402 ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 403 404 #ifdef ACPI_DISASSEMBLER 405 406 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 407 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 408 ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 409 ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList; 410 #endif 411 412 413 #ifdef ACPI_DEBUGGER 414 415 extern BOOLEAN AcpiGbl_MethodExecuting; 416 extern BOOLEAN AcpiGbl_AbortMethod; 417 extern BOOLEAN AcpiGbl_DbTerminateThreads; 418 419 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 420 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 421 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 422 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 423 424 ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 425 ACPI_EXTERN char AcpiGbl_DbLineBuf[80]; 426 ACPI_EXTERN char AcpiGbl_DbParsedBuf[80]; 427 ACPI_EXTERN char AcpiGbl_DbScopeBuf[40]; 428 ACPI_EXTERN char AcpiGbl_DbDebugFilename[40]; 429 ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 430 ACPI_EXTERN char *AcpiGbl_DbBuffer; 431 ACPI_EXTERN char *AcpiGbl_DbFilename; 432 ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 433 ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 434 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 435 436 /* 437 * Statistic globals 438 */ 439 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 440 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 441 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 442 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 443 ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 444 ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 445 446 447 ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 448 ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 449 ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 450 ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 451 452 #endif /* ACPI_DEBUGGER */ 453 454 #endif /* __ACGLOBAL_H__ */ 455