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 /* AcpiGbl_FADT is a local copy of the FADT, converted to a common format. */
140 ACPI_TABLE_FADT AcpiGbl_FADT;
141 UINT32 AcpiCurrentGpeCount;
142 UINT32 AcpiGbl_TraceFlags;
143 ACPI_NAME AcpiGbl_TraceMethodName;
144 BOOLEAN AcpiGbl_SystemAwakeAndRunning;
147 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
148 * that the ACPI hardware is no longer required. A flag in the FADT indicates
149 * a reduced HW machine, and that flag is duplicated here for convenience.
151 BOOLEAN AcpiGbl_ReducedHardware;
153 #endif /* DEFINE_ACPI_GLOBALS */
155 /* Do not disassemble buffers to resource descriptors */
157 ACPI_EXTERN UINT8 ACPI_INIT_GLOBAL (AcpiGbl_NoResourceDisassembly, FALSE);
159 /*****************************************************************************
163 ****************************************************************************/
166 * AcpiGbl_RootTableList is the master list of ACPI tables that were
167 * found in the RSDT/XSDT.
169 ACPI_EXTERN ACPI_TABLE_LIST AcpiGbl_RootTableList;
171 #if (!ACPI_REDUCED_HARDWARE)
172 ACPI_EXTERN ACPI_TABLE_FACS *AcpiGbl_FACS;
174 #endif /* !ACPI_REDUCED_HARDWARE */
176 /* These addresses are calculated from the FADT Event Block addresses */
178 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aStatus;
179 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1aEnable;
181 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bStatus;
182 ACPI_EXTERN ACPI_GENERIC_ADDRESS AcpiGbl_XPm1bEnable;
184 /* DSDT information. Used to check for DSDT corruption */
186 ACPI_EXTERN ACPI_TABLE_HEADER *AcpiGbl_DSDT;
187 ACPI_EXTERN ACPI_TABLE_HEADER AcpiGbl_OriginalDsdtHeader;
190 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
191 * determined by the revision of the DSDT: If the DSDT revision is less than
192 * 2, use only the lower 32 bits of the internal 64-bit Integer.
194 ACPI_EXTERN UINT8 AcpiGbl_IntegerBitWidth;
195 ACPI_EXTERN UINT8 AcpiGbl_IntegerByteWidth;
196 ACPI_EXTERN UINT8 AcpiGbl_IntegerNybbleWidth;
199 /*****************************************************************************
201 * Mutual exclusion within ACPICA subsystem
203 ****************************************************************************/
206 * Predefined mutex objects. This array contains the
207 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
208 * (The table maps local handles to the real OS handles)
210 ACPI_EXTERN ACPI_MUTEX_INFO AcpiGbl_MutexInfo[ACPI_NUM_MUTEX];
213 * Global lock mutex is an actual AML mutex object
214 * Global lock semaphore works in conjunction with the actual global lock
215 * Global lock spinlock is used for "pending" handshake
217 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_GlobalLockMutex;
218 ACPI_EXTERN ACPI_SEMAPHORE AcpiGbl_GlobalLockSemaphore;
219 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GlobalLockPendingLock;
220 ACPI_EXTERN UINT16 AcpiGbl_GlobalLockHandle;
221 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockAcquired;
222 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPresent;
223 ACPI_EXTERN BOOLEAN AcpiGbl_GlobalLockPending;
226 * Spinlocks are used for interfaces that can be possibly called at
229 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_GpeLock; /* For GPE data structs and registers */
230 ACPI_EXTERN ACPI_SPINLOCK AcpiGbl_HardwareLock; /* For ACPI H/W except GPE registers */
232 /* Mutex for _OSI support */
234 ACPI_EXTERN ACPI_MUTEX AcpiGbl_OsiMutex;
236 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
238 ACPI_EXTERN ACPI_RW_LOCK AcpiGbl_NamespaceRwLock;
241 /*****************************************************************************
243 * Miscellaneous globals
245 ****************************************************************************/
249 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_NamespaceCache;
250 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_StateCache;
251 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeCache;
252 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_PsNodeExtCache;
253 ACPI_EXTERN ACPI_CACHE_T *AcpiGbl_OperandCache;
255 /* Global handlers */
257 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_DeviceNotify;
258 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER AcpiGbl_SystemNotify;
259 ACPI_EXTERN ACPI_EXCEPTION_HANDLER AcpiGbl_ExceptionHandler;
260 ACPI_EXTERN ACPI_INIT_HANDLER AcpiGbl_InitHandler;
261 ACPI_EXTERN ACPI_TABLE_HANDLER AcpiGbl_TableHandler;
262 ACPI_EXTERN void *AcpiGbl_TableHandlerContext;
263 ACPI_EXTERN ACPI_WALK_STATE *AcpiGbl_BreakpointWalk;
264 ACPI_EXTERN ACPI_INTERFACE_HANDLER AcpiGbl_InterfaceHandler;
266 /* Owner ID support */
268 ACPI_EXTERN UINT32 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS];
269 ACPI_EXTERN UINT8 AcpiGbl_LastOwnerIdIndex;
270 ACPI_EXTERN UINT8 AcpiGbl_NextOwnerIdOffset;
272 /* Initialization sequencing */
274 ACPI_EXTERN BOOLEAN AcpiGbl_RegMethodsExecuted;
278 ACPI_EXTERN UINT32 AcpiGbl_OriginalMode;
279 ACPI_EXTERN UINT32 AcpiGbl_RsdpOriginalLocation;
280 ACPI_EXTERN UINT32 AcpiGbl_NsLookupCount;
281 ACPI_EXTERN UINT32 AcpiGbl_PsFindCount;
282 ACPI_EXTERN UINT16 AcpiGbl_Pm1EnableRegisterSave;
283 ACPI_EXTERN UINT8 AcpiGbl_DebuggerConfiguration;
284 ACPI_EXTERN BOOLEAN AcpiGbl_StepToNextCall;
285 ACPI_EXTERN BOOLEAN AcpiGbl_AcpiHardwarePresent;
286 ACPI_EXTERN BOOLEAN AcpiGbl_EventsInitialized;
287 ACPI_EXTERN UINT8 AcpiGbl_OsiData;
288 ACPI_EXTERN ACPI_INTERFACE_INFO *AcpiGbl_SupportedInterfaces;
289 ACPI_EXTERN ACPI_ADDRESS_RANGE *AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX];
292 #ifndef DEFINE_ACPI_GLOBALS
294 /* Exception codes */
296 extern char const *AcpiGbl_ExceptionNames_Env[];
297 extern char const *AcpiGbl_ExceptionNames_Pgm[];
298 extern char const *AcpiGbl_ExceptionNames_Tbl[];
299 extern char const *AcpiGbl_ExceptionNames_Aml[];
300 extern char const *AcpiGbl_ExceptionNames_Ctrl[];
302 /* Other miscellaneous */
304 extern BOOLEAN AcpiGbl_Shutdown;
305 extern UINT32 AcpiGbl_StartupFlags;
306 extern const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT];
307 extern const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS];
308 extern const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS];
309 extern const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
310 extern const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
314 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
316 /* Lists for tracking memory allocations */
318 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_GlobalList;
319 ACPI_EXTERN ACPI_MEMORY_LIST *AcpiGbl_NsNodeList;
320 ACPI_EXTERN BOOLEAN AcpiGbl_DisplayFinalMemStats;
321 ACPI_EXTERN BOOLEAN AcpiGbl_DisableMemTracking;
325 /*****************************************************************************
329 ****************************************************************************/
331 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
332 #define NUM_PREDEFINED_NAMES 10
334 #define NUM_PREDEFINED_NAMES 9
337 ACPI_EXTERN ACPI_NAMESPACE_NODE AcpiGbl_RootNodeStruct;
338 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_RootNode;
339 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_FadtGpeDevice;
340 ACPI_EXTERN ACPI_OPERAND_OBJECT *AcpiGbl_ModuleCodeList;
343 extern const UINT8 AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES];
344 extern const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
346 #ifdef ACPI_DEBUG_OUTPUT
347 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeCount;
348 ACPI_EXTERN UINT32 AcpiGbl_CurrentNodeSize;
349 ACPI_EXTERN UINT32 AcpiGbl_MaxConcurrentNodeCount;
350 ACPI_EXTERN ACPI_SIZE *AcpiGbl_EntryStackPointer;
351 ACPI_EXTERN ACPI_SIZE *AcpiGbl_LowestStackPointer;
352 ACPI_EXTERN UINT32 AcpiGbl_DeepestNesting;
356 /*****************************************************************************
358 * Interpreter globals
360 ****************************************************************************/
363 ACPI_EXTERN ACPI_THREAD_STATE *AcpiGbl_CurrentWalkList;
365 /* Control method single step flag */
367 ACPI_EXTERN UINT8 AcpiGbl_CmSingleStep;
370 /*****************************************************************************
374 ****************************************************************************/
376 extern ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
377 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeA;
378 ACPI_EXTERN UINT8 AcpiGbl_SleepTypeB;
381 /*****************************************************************************
383 * Event and GPE globals
385 ****************************************************************************/
387 #if (!ACPI_REDUCED_HARDWARE)
389 ACPI_EXTERN UINT8 AcpiGbl_AllGpesInitialized;
390 ACPI_EXTERN ACPI_GPE_XRUPT_INFO *AcpiGbl_GpeXruptListHead;
391 ACPI_EXTERN ACPI_GPE_BLOCK_INFO *AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS];
392 ACPI_EXTERN ACPI_GBL_EVENT_HANDLER AcpiGbl_GlobalEventHandler;
393 ACPI_EXTERN void *AcpiGbl_GlobalEventHandlerContext;
394 ACPI_EXTERN ACPI_FIXED_EVENT_HANDLER AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS];
395 extern ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
397 #endif /* !ACPI_REDUCED_HARDWARE */
399 /*****************************************************************************
403 ****************************************************************************/
405 /* Procedure nesting level for debug output */
407 extern UINT32 AcpiGbl_NestingLevel;
411 ACPI_EXTERN UINT32 AcpiMethodCount;
412 ACPI_EXTERN UINT32 AcpiGpeCount;
413 ACPI_EXTERN UINT32 AcpiSciCount;
414 ACPI_EXTERN UINT32 AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS];
416 /* Support for dynamic control method tracing mechanism */
418 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLevel;
419 ACPI_EXTERN UINT32 AcpiGbl_OriginalDbgLayer;
420 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLevel;
421 ACPI_EXTERN UINT32 AcpiGbl_TraceDbgLayer;
424 /*****************************************************************************
428 ****************************************************************************/
430 ACPI_EXTERN UINT8 AcpiGbl_DbOutputFlags;
432 #ifdef ACPI_DISASSEMBLER
434 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_disasm;
435 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_verbose;
436 ACPI_EXTERN ACPI_EXTERNAL_LIST *AcpiGbl_ExternalList;
437 ACPI_EXTERN ACPI_EXTERNAL_FILE *AcpiGbl_ExternalFileList;
443 extern BOOLEAN AcpiGbl_MethodExecuting;
444 extern BOOLEAN AcpiGbl_AbortMethod;
445 extern BOOLEAN AcpiGbl_DbTerminateThreads;
447 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_tables;
448 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_stats;
449 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_ini_methods;
450 ACPI_EXTERN BOOLEAN AcpiGbl_DbOpt_NoRegionSupport;
452 ACPI_EXTERN char *AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS];
453 ACPI_EXTERN ACPI_OBJECT_TYPE AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS];
454 ACPI_EXTERN char AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE];
455 ACPI_EXTERN char AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE];
456 ACPI_EXTERN char AcpiGbl_DbScopeBuf[80];
457 ACPI_EXTERN char AcpiGbl_DbDebugFilename[80];
458 ACPI_EXTERN BOOLEAN AcpiGbl_DbOutputToFile;
459 ACPI_EXTERN char *AcpiGbl_DbBuffer;
460 ACPI_EXTERN char *AcpiGbl_DbFilename;
461 ACPI_EXTERN UINT32 AcpiGbl_DbDebugLevel;
462 ACPI_EXTERN UINT32 AcpiGbl_DbConsoleDebugLevel;
463 ACPI_EXTERN ACPI_NAMESPACE_NODE *AcpiGbl_DbScopeNode;
468 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
469 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1];
470 ACPI_EXTERN UINT16 AcpiGbl_ObjTypeCountMisc;
471 ACPI_EXTERN UINT16 AcpiGbl_NodeTypeCountMisc;
472 ACPI_EXTERN UINT32 AcpiGbl_NumNodes;
473 ACPI_EXTERN UINT32 AcpiGbl_NumObjects;
476 ACPI_EXTERN UINT32 AcpiGbl_SizeOfParseTree;
477 ACPI_EXTERN UINT32 AcpiGbl_SizeOfMethodTrees;
478 ACPI_EXTERN UINT32 AcpiGbl_SizeOfNodeEntries;
479 ACPI_EXTERN UINT32 AcpiGbl_SizeOfAcpiObjects;
481 #endif /* ACPI_DEBUGGER */
483 #endif /* __ACGLOBAL_H__ */