1 /******************************************************************************
2  *
3  * Name: acglobal.h - Declarations for global variables
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2015, 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  *
50  * Globals related to the ACPI tables
51  *
52  ****************************************************************************/
53 
54 /* Master list of all ACPI tables that were found in the RSDT/XSDT */
55 
56 ACPI_GLOBAL (ACPI_TABLE_LIST,           AcpiGbl_RootTableList);
57 
58 /* DSDT information. Used to check for DSDT corruption */
59 
60 ACPI_GLOBAL (ACPI_TABLE_HEADER *,       AcpiGbl_DSDT);
61 ACPI_GLOBAL (ACPI_TABLE_HEADER,         AcpiGbl_OriginalDsdtHeader);
62 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_DsdtIndex, ACPI_INVALID_TABLE_INDEX);
63 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_FacsIndex, ACPI_INVALID_TABLE_INDEX);
64 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_XFacsIndex, ACPI_INVALID_TABLE_INDEX);
65 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_FadtIndex, ACPI_INVALID_TABLE_INDEX);
66 
67 #if (!ACPI_REDUCED_HARDWARE)
68 ACPI_GLOBAL (ACPI_TABLE_FACS *,         AcpiGbl_FACS);
69 
70 #endif /* !ACPI_REDUCED_HARDWARE */
71 
72 /* These addresses are calculated from the FADT Event Block addresses */
73 
74 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1aStatus);
75 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1aEnable);
76 
77 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1bStatus);
78 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1bEnable);
79 
80 /*
81  * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
82  * determined by the revision of the DSDT: If the DSDT revision is less than
83  * 2, use only the lower 32 bits of the internal 64-bit Integer.
84  */
85 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerBitWidth);
86 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerByteWidth);
87 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerNybbleWidth);
88 
89 
90 /*****************************************************************************
91  *
92  * Mutual exclusion within ACPICA subsystem
93  *
94  ****************************************************************************/
95 
96 /*
97  * Predefined mutex objects. This array contains the
98  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
99  * (The table maps local handles to the real OS handles)
100  */
101 ACPI_GLOBAL (ACPI_MUTEX_INFO,           AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]);
102 
103 /*
104  * Global lock mutex is an actual AML mutex object
105  * Global lock semaphore works in conjunction with the actual global lock
106  * Global lock spinlock is used for "pending" handshake
107  */
108 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_GlobalLockMutex);
109 ACPI_GLOBAL (ACPI_SEMAPHORE,            AcpiGbl_GlobalLockSemaphore);
110 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GlobalLockPendingLock);
111 ACPI_GLOBAL (UINT16,                    AcpiGbl_GlobalLockHandle);
112 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockAcquired);
113 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPresent);
114 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPending);
115 
116 /*
117  * Spinlocks are used for interfaces that can be possibly called at
118  * interrupt level
119  */
120 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GpeLock);       /* For GPE data structs and registers */
121 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_HardwareLock);  /* For ACPI H/W except GPE registers */
122 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_ReferenceCountLock);
123 
124 /* Mutex for _OSI support */
125 
126 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_OsiMutex);
127 
128 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
129 
130 ACPI_GLOBAL (ACPI_RW_LOCK,              AcpiGbl_NamespaceRwLock);
131 
132 
133 /*****************************************************************************
134  *
135  * Miscellaneous globals
136  *
137  ****************************************************************************/
138 
139 /* Object caches */
140 
141 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_NamespaceCache);
142 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_StateCache);
143 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeCache);
144 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeExtCache);
145 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_OperandCache);
146 
147 /* System */
148 
149 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_StartupFlags, 0);
150 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_Shutdown, TRUE);
151 
152 /* Global handlers */
153 
154 ACPI_GLOBAL (ACPI_GLOBAL_NOTIFY_HANDLER,AcpiGbl_GlobalNotify[2]);
155 ACPI_GLOBAL (ACPI_EXCEPTION_HANDLER,    AcpiGbl_ExceptionHandler);
156 ACPI_GLOBAL (ACPI_INIT_HANDLER,         AcpiGbl_InitHandler);
157 ACPI_GLOBAL (ACPI_TABLE_HANDLER,        AcpiGbl_TableHandler);
158 ACPI_GLOBAL (void *,                    AcpiGbl_TableHandlerContext);
159 ACPI_GLOBAL (ACPI_INTERFACE_HANDLER,    AcpiGbl_InterfaceHandler);
160 ACPI_GLOBAL (ACPI_SCI_HANDLER_INFO *,   AcpiGbl_SciHandlerList);
161 
162 /* Owner ID support */
163 
164 ACPI_GLOBAL (UINT32,                    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]);
165 ACPI_GLOBAL (UINT8,                     AcpiGbl_LastOwnerIdIndex);
166 ACPI_GLOBAL (UINT8,                     AcpiGbl_NextOwnerIdOffset);
167 
168 /* Initialization sequencing */
169 
170 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_RegMethodsExecuted);
171 
172 /* Misc */
173 
174 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalMode);
175 ACPI_GLOBAL (UINT32,                    AcpiGbl_NsLookupCount);
176 ACPI_GLOBAL (UINT32,                    AcpiGbl_PsFindCount);
177 ACPI_GLOBAL (UINT16,                    AcpiGbl_Pm1EnableRegisterSave);
178 ACPI_GLOBAL (UINT8,                     AcpiGbl_DebuggerConfiguration);
179 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_StepToNextCall);
180 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_AcpiHardwarePresent);
181 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_EventsInitialized);
182 ACPI_GLOBAL (ACPI_INTERFACE_INFO *,     AcpiGbl_SupportedInterfaces);
183 ACPI_GLOBAL (ACPI_ADDRESS_RANGE *,      AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX]);
184 
185 /* Other miscellaneous, declared and initialized in utglobal */
186 
187 extern const char                      *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT];
188 extern const char                      *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS];
189 extern const char                      *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS];
190 extern const char                      *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
191 extern const ACPI_OPCODE_INFO           AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
192 
193 
194 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
195 
196 /* Lists for tracking memory allocations (debug only) */
197 
198 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_GlobalList);
199 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_NsNodeList);
200 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisplayFinalMemStats);
201 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisableMemTracking);
202 #endif
203 
204 
205 /*****************************************************************************
206  *
207  * Namespace globals
208  *
209  ****************************************************************************/
210 
211 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
212 #define NUM_PREDEFINED_NAMES            10
213 #else
214 #define NUM_PREDEFINED_NAMES            9
215 #endif
216 
217 ACPI_GLOBAL (ACPI_NAMESPACE_NODE,       AcpiGbl_RootNodeStruct);
218 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_RootNode);
219 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_FadtGpeDevice);
220 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_ModuleCodeList);
221 
222 
223 extern const UINT8                      AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES];
224 extern const ACPI_PREDEFINED_NAMES      AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
225 
226 #ifdef ACPI_DEBUG_OUTPUT
227 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeCount);
228 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeSize);
229 ACPI_GLOBAL (UINT32,                    AcpiGbl_MaxConcurrentNodeCount);
230 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_EntryStackPointer);
231 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_LowestStackPointer);
232 ACPI_GLOBAL (UINT32,                    AcpiGbl_DeepestNesting);
233 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_NestingLevel, 0);
234 #endif
235 
236 
237 /*****************************************************************************
238  *
239  * Interpreter globals
240  *
241  ****************************************************************************/
242 
243 ACPI_GLOBAL (ACPI_THREAD_STATE *,       AcpiGbl_CurrentWalkList);
244 
245 /* Maximum number of While() loop iterations before forced abort */
246 
247 ACPI_GLOBAL (UINT16,                    AcpiGbl_MaxLoopIterations);
248 
249 /* Control method single step flag */
250 
251 ACPI_GLOBAL (UINT8,                     AcpiGbl_CmSingleStep);
252 
253 
254 /*****************************************************************************
255  *
256  * Hardware globals
257  *
258  ****************************************************************************/
259 
260 extern ACPI_BIT_REGISTER_INFO           AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
261 
262 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeA);
263 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeB);
264 
265 
266 /*****************************************************************************
267  *
268  * Event and GPE globals
269  *
270  ****************************************************************************/
271 
272 #if (!ACPI_REDUCED_HARDWARE)
273 
274 ACPI_GLOBAL (UINT8,                     AcpiGbl_AllGpesInitialized);
275 ACPI_GLOBAL (ACPI_GPE_XRUPT_INFO *,     AcpiGbl_GpeXruptListHead);
276 ACPI_GLOBAL (ACPI_GPE_BLOCK_INFO *,     AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]);
277 ACPI_GLOBAL (ACPI_GBL_EVENT_HANDLER,    AcpiGbl_GlobalEventHandler);
278 ACPI_GLOBAL (void *,                    AcpiGbl_GlobalEventHandlerContext);
279 ACPI_GLOBAL (ACPI_FIXED_EVENT_HANDLER,  AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]);
280 
281 extern ACPI_FIXED_EVENT_INFO            AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
282 
283 #endif /* !ACPI_REDUCED_HARDWARE */
284 
285 /*****************************************************************************
286  *
287  * Debug support
288  *
289  ****************************************************************************/
290 
291 /* Event counters */
292 
293 ACPI_GLOBAL (UINT32,                    AcpiMethodCount);
294 ACPI_GLOBAL (UINT32,                    AcpiGpeCount);
295 ACPI_GLOBAL (UINT32,                    AcpiSciCount);
296 ACPI_GLOBAL (UINT32,                    AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]);
297 
298 /* Support for dynamic control method tracing mechanism */
299 
300 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLevel);
301 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLayer);
302 
303 
304 /*****************************************************************************
305  *
306  * Debugger and Disassembler globals
307  *
308  ****************************************************************************/
309 
310 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_DbOutputFlags, ACPI_DB_CONSOLE_OUTPUT);
311 
312 #ifdef ACPI_DISASSEMBLER
313 
314 /* Do not disassemble buffers to resource descriptors */
315 
316 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_NoResourceDisassembly, FALSE);
317 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_IgnoreNoopOperator, FALSE);
318 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_CstyleDisassembly, TRUE);
319 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_ForceAmlDisassembly, FALSE);
320 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_DmOpt_Verbose, TRUE);
321 
322 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DmOpt_Disasm);
323 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DmOpt_Listing);
324 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_NumExternalMethods);
325 ACPI_GLOBAL (UINT32,                    AcpiGbl_ResolvedExternalMethods);
326 ACPI_GLOBAL (ACPI_EXTERNAL_LIST *,      AcpiGbl_ExternalList);
327 ACPI_GLOBAL (ACPI_EXTERNAL_FILE *,      AcpiGbl_ExternalFileList);
328 #endif
329 
330 #ifdef ACPI_DEBUGGER
331 
332 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_AbortMethod, FALSE);
333 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_MethodExecuting, FALSE);
334 ACPI_INIT_GLOBAL (ACPI_THREAD_ID,       AcpiGbl_DbThreadId, ACPI_INVALID_THREAD_ID);
335 
336 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoIniMethods);
337 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoRegionSupport);
338 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOutputToFile);
339 ACPI_GLOBAL (char *,                    AcpiGbl_DbBuffer);
340 ACPI_GLOBAL (char *,                    AcpiGbl_DbFilename);
341 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbDebugLevel);
342 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbConsoleDebugLevel);
343 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_DbScopeNode);
344 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbTerminateLoop);
345 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbThreadsTerminated);
346 
347 ACPI_GLOBAL (char *,                    AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]);
348 ACPI_GLOBAL (ACPI_OBJECT_TYPE,          AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]);
349 
350 /* These buffers should all be the same size */
351 
352 ACPI_GLOBAL (char,                      AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]);
353 ACPI_GLOBAL (char,                      AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]);
354 ACPI_GLOBAL (char,                      AcpiGbl_DbScopeBuf[ACPI_DB_LINE_BUFFER_SIZE]);
355 ACPI_GLOBAL (char,                      AcpiGbl_DbDebugFilename[ACPI_DB_LINE_BUFFER_SIZE]);
356 
357 /*
358  * Statistic globals
359  */
360 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCount[ACPI_TOTAL_TYPES]);
361 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCount[ACPI_TOTAL_TYPES]);
362 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCountMisc);
363 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCountMisc);
364 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumNodes);
365 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumObjects);
366 
367 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_DbCommandReady);
368 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_DbCommandComplete);
369 
370 #endif /* ACPI_DEBUGGER */
371 
372 
373 /*****************************************************************************
374  *
375  * Application globals
376  *
377  ****************************************************************************/
378 
379 #ifdef ACPI_APPLICATION
380 
381 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_DebugFile, NULL);
382 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_OutputFile, NULL);
383 
384 /* Print buffer */
385 
386 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_PrintLock);     /* For print buffer */
387 ACPI_GLOBAL (char,                      AcpiGbl_PrintBuffer[1024]);
388 
389 #endif /* ACPI_APPLICATION */
390 
391 
392 /*****************************************************************************
393  *
394  * Info/help support
395  *
396  ****************************************************************************/
397 
398 extern const AH_PREDEFINED_NAME         AslPredefinedInfo[];
399 extern const AH_DEVICE_ID               AslDeviceIds[];
400 
401 
402 #endif /* __ACGLOBAL_H__ */
403