1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
49 * Ensure that the globals are actually defined and initialized only once.
51 * The use of these macros allows a single list of globals (here) in order
52 * to simplify maintenance of the code.
54 #ifdef DEFINE_ACPI_GLOBALS
56 #define ACPI_INIT_GLOBAL(a,b) a=b
58 #define ACPI_EXTERN extern
59 #define ACPI_INIT_GLOBAL(a,b) a
63 #ifdef DEFINE_ACPI_GLOBALS
65 /* Public globals, available from outside ACPICA subsystem */
67 /*****************************************************************************
69 * Runtime configuration (static defaults that can be overriden at runtime)
71 ****************************************************************************/
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.
78 * Currently, these features are enabled by this flag:
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
87 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_EnableInterpreterSlack
, FALSE
);
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".
95 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_AllMethodsSerialized
, FALSE
);
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.
102 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_CreateOsiMethod
, TRUE
);
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.
108 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_UseDefaultRegisterWidths
, TRUE
);
111 * Optionally enable output from the AML Debug Object.
113 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_EnableAmlDebugObject
, FALSE
);
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
121 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_CopyDsdtLocally
, FALSE
);
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.
129 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_TruncateIoAddresses
, FALSE
);
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.
135 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_DisableAutoRepair
, FALSE
);
138 * Optionally do not load any SSDTs from the RSDT/XSDT during initialization.
139 * This can be useful for debugging ACPI problems on some machines.
141 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_DisableSsdtTableLoad
, FALSE
);
144 * We keep track of the latest version of Windows that has been requested by
147 UINT8
ACPI_INIT_GLOBAL (AcpiGbl_OsiData
, 0);
150 /* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */
152 ACPI_TABLE_FADT AcpiGbl_FADT
;
153 UINT32 AcpiCurrentGpeCount
;
154 UINT32 AcpiGbl_TraceFlags
;
155 ACPI_NAME AcpiGbl_TraceMethodName
;
156 BOOLEAN AcpiGbl_SystemAwakeAndRunning
;
159 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
160 * that the ACPI hardware is no longer required. A flag in the FADT indicates
161 * a reduced HW machine, and that flag is duplicated here for convenience.
163 BOOLEAN AcpiGbl_ReducedHardware
;
165 #endif /* DEFINE_ACPI_GLOBALS */
167 /* Do not disassemble buffers to resource descriptors */
169 ACPI_EXTERN UINT8
ACPI_INIT_GLOBAL (AcpiGbl_NoResourceDisassembly
, FALSE
);
171 /*****************************************************************************
175 ****************************************************************************/
178 * AcpiGbl_RootTableList is the master list of ACPI tables that were
179 * found in the RSDT/XSDT.
181 ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList
;
183 #if (!ACPI_REDUCED_HARDWARE)
184 ACPI_EXTERN ACPI_TABLE_FACS
*AcpiGbl_FACS
;
186 #endif /* !ACPI_REDUCED_HARDWARE */
188 /* These addresses are calculated from the FADT Event Block addresses */
190 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus
;
191 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable
;
193 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus
;
194 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable
;
196 /* DSDT information. Used to check for DSDT corruption */
198 ACPI_EXTERN ACPI_TABLE_HEADER
*AcpiGbl_DSDT
;
199 ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader
;
202 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
203 * determined by the revision of the DSDT: If the DSDT revision is less than
204 * 2, use only the lower 32 bits of the internal 64-bit Integer.
206 ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth
;
207 ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth
;
208 ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth
;
211 /*****************************************************************************
213 * Mutual exclusion within ACPICA subsystem
215 ****************************************************************************/
218 * Predefined mutex objects. This array contains the
219 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
220 * (The table maps local handles to the real OS handles)
222 ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo
[ACPI_NUM_MUTEX
];
225 * Global lock mutex is an actual AML mutex object
226 * Global lock semaphore works in conjunction with the actual global lock
227 * Global lock spinlock is used for "pending" handshake
229 ACPI_EXTERN ACPI_OPERAND_OBJECT
*AcpiGbl_GlobalLockMutex
;
230 ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore
;
231 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock
;
232 ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle
;
233 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired
;
234 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent
;
235 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending
;
238 * Spinlocks are used for interfaces that can be possibly called at
241 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock
; /* For GPE data structs and registers */
242 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock
; /* For ACPI H/W except GPE registers */
243 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_ReferenceCountLock
;
245 /* Mutex for _OSI support */
247 ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex
;
249 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
251 ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock
;
254 /*****************************************************************************
256 * Miscellaneous globals
258 ****************************************************************************/
262 ACPI_EXTERN ACPI_CACHE_T
*AcpiGbl_NamespaceCache
;
263 ACPI_EXTERN ACPI_CACHE_T
*AcpiGbl_StateCache
;
264 ACPI_EXTERN ACPI_CACHE_T
*AcpiGbl_PsNodeCache
;
265 ACPI_EXTERN ACPI_CACHE_T
*AcpiGbl_PsNodeExtCache
;
266 ACPI_EXTERN ACPI_CACHE_T
*AcpiGbl_OperandCache
;
268 /* Global handlers */
270 ACPI_EXTERN ACPI_GLOBAL_NOTIFY_HANDLER AcpiGbl_GlobalNotify
[2];
271 ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler
;
272 ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler
;
273 ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler
;
274 ACPI_EXTERN
void *AcpiGbl_TableHandlerContext
;
275 ACPI_EXTERN ACPI_WALK_STATE
*AcpiGbl_BreakpointWalk
;
276 ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler
;
277 ACPI_EXTERN ACPI_SCI_HANDLER_INFO
*AcpiGbl_SciHandlerList
;
279 /* Owner ID support */
281 ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask
[ACPI_NUM_OWNERID_MASKS
];
282 ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex
;
283 ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset
;
285 /* Initialization sequencing */
287 ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted
;
291 ACPI_EXTERN UINT32 AcpiGbl_OriginalMode
;
292 ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation
;
293 ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount
;
294 ACPI_EXTERN UINT32 AcpiGbl_PsFindCount
;
295 ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave
;
296 ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration
;
297 ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall
;
298 ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent
;
299 ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized
;
300 ACPI_EXTERN ACPI_INTERFACE_INFO
*AcpiGbl_SupportedInterfaces
;
301 ACPI_EXTERN ACPI_ADDRESS_RANGE
*AcpiGbl_AddressRangeList
[ACPI_ADDRESS_RANGE_MAX
];
303 #ifndef DEFINE_ACPI_GLOBALS
305 /* Other miscellaneous */
307 extern BOOLEAN AcpiGbl_Shutdown
;
308 extern UINT32 AcpiGbl_StartupFlags
;
309 extern const char *AcpiGbl_SleepStateNames
[ACPI_S_STATE_COUNT
];
310 extern const char *AcpiGbl_LowestDstateNames
[ACPI_NUM_SxW_METHODS
];
311 extern const char *AcpiGbl_HighestDstateNames
[ACPI_NUM_SxD_METHODS
];
312 extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo
[AML_NUM_OPCODES
];
313 extern const char *AcpiGbl_RegionTypes
[ACPI_NUM_PREDEFINED_REGIONS
];
317 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
319 /* Lists for tracking memory allocations */
321 ACPI_EXTERN ACPI_MEMORY_LIST
*AcpiGbl_GlobalList
;
322 ACPI_EXTERN ACPI_MEMORY_LIST
*AcpiGbl_NsNodeList
;
323 ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats
;
324 ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking
;
328 /*****************************************************************************
332 ****************************************************************************/
334 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
335 #define NUM_PREDEFINED_NAMES 10
337 #define NUM_PREDEFINED_NAMES 9
340 ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct
;
341 ACPI_EXTERN ACPI_NAMESPACE_NODE
*AcpiGbl_RootNode
;
342 ACPI_EXTERN ACPI_NAMESPACE_NODE
*AcpiGbl_FadtGpeDevice
;
343 ACPI_EXTERN ACPI_OPERAND_OBJECT
*AcpiGbl_ModuleCodeList
;
346 extern const UINT8 AcpiGbl_NsProperties
[ACPI_NUM_NS_TYPES
];
347 extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames
[NUM_PREDEFINED_NAMES
];
349 #ifdef ACPI_DEBUG_OUTPUT
350 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount
;
351 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize
;
352 ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount
;
353 ACPI_EXTERN ACPI_SIZE
*AcpiGbl_EntryStackPointer
;
354 ACPI_EXTERN ACPI_SIZE
*AcpiGbl_LowestStackPointer
;
355 ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting
;
359 /*****************************************************************************
361 * Interpreter globals
363 ****************************************************************************/
365 ACPI_EXTERN ACPI_THREAD_STATE
*AcpiGbl_CurrentWalkList
;
367 /* Control method single step flag */
369 ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep
;
372 /*****************************************************************************
376 ****************************************************************************/
378 extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo
[ACPI_NUM_BITREG
];
379 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA
;
380 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB
;
383 /*****************************************************************************
385 * Event and GPE globals
387 ****************************************************************************/
389 #if (!ACPI_REDUCED_HARDWARE)
391 ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized
;
392 ACPI_EXTERN ACPI_GPE_XRUPT_INFO
*AcpiGbl_GpeXruptListHead
;
393 ACPI_EXTERN ACPI_GPE_BLOCK_INFO
*AcpiGbl_GpeFadtBlocks
[ACPI_MAX_GPE_BLOCKS
];
394 ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler
;
395 ACPI_EXTERN
void *AcpiGbl_GlobalEventHandlerContext
;
396 ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers
[ACPI_NUM_FIXED_EVENTS
];
397 extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo
[ACPI_NUM_FIXED_EVENTS
];
399 #endif /* !ACPI_REDUCED_HARDWARE */
401 /*****************************************************************************
405 ****************************************************************************/
407 /* Procedure nesting level for debug output */
409 extern UINT32 AcpiGbl_NestingLevel
;
413 ACPI_EXTERN UINT32 AcpiMethodCount
;
414 ACPI_EXTERN UINT32 AcpiGpeCount
;
415 ACPI_EXTERN UINT32 AcpiSciCount
;
416 ACPI_EXTERN UINT32 AcpiFixedEventCount
[ACPI_NUM_FIXED_EVENTS
];
418 /* Support for dynamic control method tracing mechanism */
420 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel
;
421 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer
;
422 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel
;
423 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer
;
426 /*****************************************************************************
428 * Debugger and Disassembler globals
430 ****************************************************************************/
432 ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags
;
434 #ifdef ACPI_DISASSEMBLER
436 ACPI_EXTERN BOOLEAN
ACPI_INIT_GLOBAL (AcpiGbl_IgnoreNoopOperator
, FALSE
);
438 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm
;
439 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose
;
440 ACPI_EXTERN BOOLEAN AcpiGbl_NumExternalMethods
;
441 ACPI_EXTERN UINT32 AcpiGbl_ResolvedExternalMethods
;
442 ACPI_EXTERN ACPI_EXTERNAL_LIST
*AcpiGbl_ExternalList
;
443 ACPI_EXTERN ACPI_EXTERNAL_FILE
*AcpiGbl_ExternalFileList
;
449 extern BOOLEAN AcpiGbl_MethodExecuting
;
450 extern BOOLEAN AcpiGbl_AbortMethod
;
451 extern BOOLEAN AcpiGbl_DbTerminateThreads
;
453 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables
;
454 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats
;
455 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods
;
456 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport
;
457 ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile
;
458 ACPI_EXTERN
char *AcpiGbl_DbBuffer
;
459 ACPI_EXTERN
char *AcpiGbl_DbFilename
;
460 ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel
;
461 ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel
;
462 ACPI_EXTERN ACPI_NAMESPACE_NODE
*AcpiGbl_DbScopeNode
;
464 ACPI_EXTERN
char *AcpiGbl_DbArgs
[ACPI_DEBUGGER_MAX_ARGS
];
465 ACPI_EXTERN ACPI_OBJECT_TYPE AcpiGbl_DbArgTypes
[ACPI_DEBUGGER_MAX_ARGS
];
467 /* These buffers should all be the same size */
469 ACPI_EXTERN
char AcpiGbl_DbLineBuf
[ACPI_DB_LINE_BUFFER_SIZE
];
470 ACPI_EXTERN
char AcpiGbl_DbParsedBuf
[ACPI_DB_LINE_BUFFER_SIZE
];
471 ACPI_EXTERN
char AcpiGbl_DbScopeBuf
[ACPI_DB_LINE_BUFFER_SIZE
];
472 ACPI_EXTERN
char AcpiGbl_DbDebugFilename
[ACPI_DB_LINE_BUFFER_SIZE
];
477 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount
[ACPI_TYPE_NS_NODE_MAX
+1];
478 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount
[ACPI_TYPE_NS_NODE_MAX
+1];
479 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc
;
480 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc
;
481 ACPI_EXTERN UINT32 AcpiGbl_NumNodes
;
482 ACPI_EXTERN UINT32 AcpiGbl_NumObjects
;
485 ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree
;
486 ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees
;
487 ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries
;
488 ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects
;
490 #endif /* ACPI_DEBUGGER */
493 /*****************************************************************************
497 ****************************************************************************/
499 extern const AH_PREDEFINED_NAME AslPredefinedInfo
[];
502 #endif /* __ACGLOBAL_H__ */