acglobal.h revision 204773
1/****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116#ifndef __ACGLOBAL_H__ 117#define __ACGLOBAL_H__ 118 119 120/* 121 * Ensure that the globals are actually defined and initialized only once. 122 * 123 * The use of these macros allows a single list of globals (here) in order 124 * to simplify maintenance of the code. 125 */ 126#ifdef DEFINE_ACPI_GLOBALS 127#define ACPI_EXTERN 128#define ACPI_INIT_GLOBAL(a,b) a=b 129#else 130#define ACPI_EXTERN extern 131#define ACPI_INIT_GLOBAL(a,b) a 132#endif 133 134 135#ifdef DEFINE_ACPI_GLOBALS 136 137/* Public globals, available from outside ACPICA subsystem */ 138 139/***************************************************************************** 140 * 141 * Runtime configuration (static defaults that can be overriden at runtime) 142 * 143 ****************************************************************************/ 144 145/* 146 * Enable "slack" in the AML interpreter? Default is FALSE, and the 147 * interpreter strictly follows the ACPI specification. Setting to TRUE 148 * allows the interpreter to ignore certain errors and/or bad AML constructs. 149 * 150 * Currently, these features are enabled by this flag: 151 * 152 * 1) Allow "implicit return" of last value in a control method 153 * 2) Allow access beyond the end of an operation region 154 * 3) Allow access to uninitialized locals/args (auto-init to integer 0) 155 * 4) Allow ANY object type to be a source operand for the Store() operator 156 * 5) Allow unresolved references (invalid target name) in package objects 157 * 6) Enable warning messages for behavior that is not ACPI spec compliant 158 */ 159UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableInterpreterSlack, FALSE); 160 161/* 162 * Automatically serialize ALL control methods? Default is FALSE, meaning 163 * to use the Serialized/NotSerialized method flags on a per method basis. 164 * Only change this if the ASL code is poorly written and cannot handle 165 * reentrancy even though methods are marked "NotSerialized". 166 */ 167UINT8 ACPI_INIT_GLOBAL (AcpiGbl_AllMethodsSerialized, FALSE); 168 169/* 170 * Create the predefined _OSI method in the namespace? Default is TRUE 171 * because ACPI CA is fully compatible with other ACPI implementations. 172 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. 173 */ 174UINT8 ACPI_INIT_GLOBAL (AcpiGbl_CreateOsiMethod, TRUE); 175 176/* 177 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and 178 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only 179 * be enabled just before going to sleep. 180 */ 181UINT8 ACPI_INIT_GLOBAL (AcpiGbl_LeaveWakeGpesDisabled, TRUE); 182 183/* 184 * Optionally use default values for the ACPI register widths. Set this to 185 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths. 186 */ 187UINT8 ACPI_INIT_GLOBAL (AcpiGbl_UseDefaultRegisterWidths, TRUE); 188 189/* 190 * Optionally enable output from the AML Debug Object. 191 */ 192UINT8 ACPI_INIT_GLOBAL (AcpiGbl_EnableAmlDebugObject, FALSE); 193 194 195/* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */ 196 197ACPI_TABLE_FADT AcpiGbl_FADT; 198UINT32 AcpiCurrentGpeCount; 199UINT32 AcpiGbl_TraceFlags; 200ACPI_NAME AcpiGbl_TraceMethodName; 201 202#endif 203 204/***************************************************************************** 205 * 206 * ACPI Table globals 207 * 208 ****************************************************************************/ 209 210/* 211 * AcpiGbl_RootTableList is the master list of ACPI tables found in the 212 * RSDT/XSDT. 213 * 214 */ 215ACPI_EXTERN ACPI_INTERNAL_RSDT AcpiGbl_RootTableList; 216ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS; 217 218/* These addresses are calculated from the FADT Event Block addresses */ 219 220ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus; 221ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable; 222 223ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus; 224ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable; 225 226/* 227 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is 228 * determined by the revision of the DSDT: If the DSDT revision is less than 229 * 2, use only the lower 32 bits of the internal 64-bit Integer. 230 */ 231ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth; 232ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth; 233ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth; 234 235 236/***************************************************************************** 237 * 238 * Mutual exlusion within ACPICA subsystem 239 * 240 ****************************************************************************/ 241 242/* 243 * Predefined mutex objects. This array contains the 244 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 245 * (The table maps local handles to the real OS handles) 246 */ 247ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]; 248 249/* 250 * Global lock mutex is an actual AML mutex object 251 * Global lock semaphore works in conjunction with the HW global lock 252 */ 253ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex; 254ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore; 255ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle; 256ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired; 257ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent; 258 259/* 260 * Spinlocks are used for interfaces that can be possibly called at 261 * interrupt level 262 */ 263ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */ 264ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */ 265 266/* Reader/Writer lock is used for namespace walk and dynamic table unload */ 267 268ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock; 269 270 271/***************************************************************************** 272 * 273 * Miscellaneous globals 274 * 275 ****************************************************************************/ 276 277/* Object caches */ 278 279ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache; 280ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache; 281ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache; 282ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache; 283ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache; 284 285/* Global handlers */ 286 287ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify; 288ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify; 289ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler; 290ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler; 291ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler; 292ACPI_EXTERN void *AcpiGbl_TableHandlerContext; 293ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk; 294 295 296/* Owner ID support */ 297 298ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]; 299ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex; 300ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset; 301 302/* Misc */ 303 304ACPI_EXTERN UINT32 AcpiGbl_OriginalMode; 305ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation; 306ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount; 307ACPI_EXTERN UINT32 AcpiGbl_PsFindCount; 308ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave; 309ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration; 310ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall; 311ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent; 312ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized; 313ACPI_EXTERN BOOLEAN AcpiGbl_SystemAwakeAndRunning; 314ACPI_EXTERN UINT8 AcpiGbl_OsiData; 315 316 317#ifndef DEFINE_ACPI_GLOBALS 318 319/* Exception codes */ 320 321extern char const *AcpiGbl_ExceptionNames_Env[]; 322extern char const *AcpiGbl_ExceptionNames_Pgm[]; 323extern char const *AcpiGbl_ExceptionNames_Tbl[]; 324extern char const *AcpiGbl_ExceptionNames_Aml[]; 325extern char const *AcpiGbl_ExceptionNames_Ctrl[]; 326 327/* Other miscellaneous */ 328 329extern BOOLEAN AcpiGbl_Shutdown; 330extern UINT32 AcpiGbl_StartupFlags; 331extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT]; 332extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS]; 333extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS]; 334extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES]; 335extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS]; 336#endif 337 338 339#ifdef ACPI_DBG_TRACK_ALLOCATIONS 340 341/* Lists for tracking memory allocations */ 342 343ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList; 344ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList; 345ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats; 346#endif 347 348 349/***************************************************************************** 350 * 351 * Namespace globals 352 * 353 ****************************************************************************/ 354 355#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 356#define NUM_PREDEFINED_NAMES 10 357#else 358#define NUM_PREDEFINED_NAMES 9 359#endif 360 361ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct; 362ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode; 363ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice; 364ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList; 365 366 367extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES]; 368extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES]; 369 370#ifdef ACPI_DEBUG_OUTPUT 371ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount; 372ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize; 373ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount; 374ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer; 375ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer; 376ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting; 377#endif 378 379 380/***************************************************************************** 381 * 382 * Interpreter globals 383 * 384 ****************************************************************************/ 385 386 387ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList; 388 389/* Control method single step flag */ 390 391ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep; 392 393 394/***************************************************************************** 395 * 396 * Hardware globals 397 * 398 ****************************************************************************/ 399 400extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG]; 401ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA; 402ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB; 403 404 405/***************************************************************************** 406 * 407 * Event and GPE globals 408 * 409 ****************************************************************************/ 410 411extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS]; 412ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]; 413ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead; 414ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]; 415 416 417/***************************************************************************** 418 * 419 * Debug support 420 * 421 ****************************************************************************/ 422 423/* Procedure nesting level for debug output */ 424 425extern UINT32 AcpiGbl_NestingLevel; 426 427/* Event counters */ 428 429ACPI_EXTERN UINT32 AcpiMethodCount; 430ACPI_EXTERN UINT32 AcpiGpeCount; 431ACPI_EXTERN UINT32 AcpiSciCount; 432ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]; 433 434/* Support for dynamic control method tracing mechanism */ 435 436ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel; 437ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer; 438ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel; 439ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer; 440 441 442/***************************************************************************** 443 * 444 * Debugger globals 445 * 446 ****************************************************************************/ 447 448ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags; 449 450#ifdef ACPI_DISASSEMBLER 451 452ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm; 453ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose; 454ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList; 455#endif 456 457 458#ifdef ACPI_DEBUGGER 459 460extern BOOLEAN AcpiGbl_MethodExecuting; 461extern BOOLEAN AcpiGbl_AbortMethod; 462extern BOOLEAN AcpiGbl_DbTerminateThreads; 463 464ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables; 465ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats; 466ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods; 467ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport; 468 469ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]; 470ACPI_EXTERN char AcpiGbl_DbLineBuf[80]; 471ACPI_EXTERN char AcpiGbl_DbParsedBuf[80]; 472ACPI_EXTERN char AcpiGbl_DbScopeBuf[40]; 473ACPI_EXTERN char AcpiGbl_DbDebugFilename[40]; 474ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile; 475ACPI_EXTERN char *AcpiGbl_DbBuffer; 476ACPI_EXTERN char *AcpiGbl_DbFilename; 477ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel; 478ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel; 479ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode; 480 481/* 482 * Statistic globals 483 */ 484ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 485ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]; 486ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc; 487ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc; 488ACPI_EXTERN UINT32 AcpiGbl_NumNodes; 489ACPI_EXTERN UINT32 AcpiGbl_NumObjects; 490 491 492ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree; 493ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees; 494ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries; 495ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects; 496 497#endif /* ACPI_DEBUGGER */ 498 499#endif /* __ACGLOBAL_H__ */ 500