1 /******************************************************************************
2  *
3  * Name: acglobal.h - Declarations for global variables
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_GroupModuleLevelCode, FALSE);
90 
91 
92 /*****************************************************************************
93  *
94  * Mutual exclusion within ACPICA subsystem
95  *
96  ****************************************************************************/
97 
98 /*
99  * Predefined mutex objects. This array contains the
100  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
101  * (The table maps local handles to the real OS handles)
102  */
103 ACPI_GLOBAL (ACPI_MUTEX_INFO,           AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]);
104 
105 /*
106  * Global lock mutex is an actual AML mutex object
107  * Global lock semaphore works in conjunction with the actual global lock
108  * Global lock spinlock is used for "pending" handshake
109  */
110 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_GlobalLockMutex);
111 ACPI_GLOBAL (ACPI_SEMAPHORE,            AcpiGbl_GlobalLockSemaphore);
112 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GlobalLockPendingLock);
113 ACPI_GLOBAL (UINT16,                    AcpiGbl_GlobalLockHandle);
114 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockAcquired);
115 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPresent);
116 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPending);
117 
118 /*
119  * Spinlocks are used for interfaces that can be possibly called at
120  * interrupt level
121  */
122 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GpeLock);       /* For GPE data structs and registers */
123 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_HardwareLock);  /* For ACPI H/W except GPE registers */
124 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_ReferenceCountLock);
125 
126 /* Mutex for _OSI support */
127 
128 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_OsiMutex);
129 
130 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
131 
132 ACPI_GLOBAL (ACPI_RW_LOCK,              AcpiGbl_NamespaceRwLock);
133 
134 
135 /*****************************************************************************
136  *
137  * Miscellaneous globals
138  *
139  ****************************************************************************/
140 
141 /* Object caches */
142 
143 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_NamespaceCache);
144 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_StateCache);
145 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeCache);
146 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeExtCache);
147 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_OperandCache);
148 
149 /* System */
150 
151 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_StartupFlags, 0);
152 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_Shutdown, TRUE);
153 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_EarlyInitialization, TRUE);
154 
155 /* Global handlers */
156 
157 ACPI_GLOBAL (ACPI_GLOBAL_NOTIFY_HANDLER,AcpiGbl_GlobalNotify[2]);
158 ACPI_GLOBAL (ACPI_EXCEPTION_HANDLER,    AcpiGbl_ExceptionHandler);
159 ACPI_GLOBAL (ACPI_INIT_HANDLER,         AcpiGbl_InitHandler);
160 ACPI_GLOBAL (ACPI_TABLE_HANDLER,        AcpiGbl_TableHandler);
161 ACPI_GLOBAL (void *,                    AcpiGbl_TableHandlerContext);
162 ACPI_GLOBAL (ACPI_INTERFACE_HANDLER,    AcpiGbl_InterfaceHandler);
163 ACPI_GLOBAL (ACPI_SCI_HANDLER_INFO *,   AcpiGbl_SciHandlerList);
164 
165 /* Owner ID support */
166 
167 ACPI_GLOBAL (UINT32,                    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]);
168 ACPI_GLOBAL (UINT8,                     AcpiGbl_LastOwnerIdIndex);
169 ACPI_GLOBAL (UINT8,                     AcpiGbl_NextOwnerIdOffset);
170 
171 /* Initialization sequencing */
172 
173 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_RegMethodsEnabled, FALSE);
174 
175 /* Misc */
176 
177 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalMode);
178 ACPI_GLOBAL (UINT32,                    AcpiGbl_NsLookupCount);
179 ACPI_GLOBAL (UINT32,                    AcpiGbl_PsFindCount);
180 ACPI_GLOBAL (UINT16,                    AcpiGbl_Pm1EnableRegisterSave);
181 ACPI_GLOBAL (UINT8,                     AcpiGbl_DebuggerConfiguration);
182 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_StepToNextCall);
183 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_AcpiHardwarePresent);
184 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_EventsInitialized);
185 ACPI_GLOBAL (ACPI_INTERFACE_INFO *,     AcpiGbl_SupportedInterfaces);
186 ACPI_GLOBAL (ACPI_ADDRESS_RANGE *,      AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX]);
187 
188 /* Other miscellaneous, declared and initialized in utglobal */
189 
190 extern const char                      *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT];
191 extern const char                      *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS];
192 extern const char                      *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS];
193 extern const char                      *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
194 extern const ACPI_OPCODE_INFO           AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
195 
196 
197 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
198 
199 /* Lists for tracking memory allocations (debug only) */
200 
201 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_GlobalList);
202 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_NsNodeList);
203 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisplayFinalMemStats);
204 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisableMemTracking);
205 #endif
206 
207 
208 /*****************************************************************************
209  *
210  * Namespace globals
211  *
212  ****************************************************************************/
213 
214 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
215 #define NUM_PREDEFINED_NAMES            10
216 #else
217 #define NUM_PREDEFINED_NAMES            9
218 #endif
219 
220 ACPI_GLOBAL (ACPI_NAMESPACE_NODE,       AcpiGbl_RootNodeStruct);
221 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_RootNode);
222 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_FadtGpeDevice);
223 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_ModuleCodeList);
224 
225 
226 extern const UINT8                      AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES];
227 extern const ACPI_PREDEFINED_NAMES      AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
228 
229 #ifdef ACPI_DEBUG_OUTPUT
230 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeCount);
231 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeSize);
232 ACPI_GLOBAL (UINT32,                    AcpiGbl_MaxConcurrentNodeCount);
233 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_EntryStackPointer);
234 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_LowestStackPointer);
235 ACPI_GLOBAL (UINT32,                    AcpiGbl_DeepestNesting);
236 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_NestingLevel, 0);
237 #endif
238 
239 
240 /*****************************************************************************
241  *
242  * Interpreter globals
243  *
244  ****************************************************************************/
245 
246 ACPI_GLOBAL (ACPI_THREAD_STATE *,       AcpiGbl_CurrentWalkList);
247 
248 /* Maximum number of While() loop iterations before forced abort */
249 
250 ACPI_GLOBAL (UINT16,                    AcpiGbl_MaxLoopIterations);
251 
252 /* Control method single step flag */
253 
254 ACPI_GLOBAL (UINT8,                     AcpiGbl_CmSingleStep);
255 
256 
257 /*****************************************************************************
258  *
259  * Hardware globals
260  *
261  ****************************************************************************/
262 
263 extern ACPI_BIT_REGISTER_INFO           AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
264 
265 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeA);
266 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeB);
267 
268 
269 /*****************************************************************************
270  *
271  * Event and GPE globals
272  *
273  ****************************************************************************/
274 
275 #if (!ACPI_REDUCED_HARDWARE)
276 
277 ACPI_GLOBAL (UINT8,                     AcpiGbl_AllGpesInitialized);
278 ACPI_GLOBAL (ACPI_GPE_XRUPT_INFO *,     AcpiGbl_GpeXruptListHead);
279 ACPI_GLOBAL (ACPI_GPE_BLOCK_INFO *,     AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]);
280 ACPI_GLOBAL (ACPI_GBL_EVENT_HANDLER,    AcpiGbl_GlobalEventHandler);
281 ACPI_GLOBAL (void *,                    AcpiGbl_GlobalEventHandlerContext);
282 ACPI_GLOBAL (ACPI_FIXED_EVENT_HANDLER,  AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]);
283 
284 extern ACPI_FIXED_EVENT_INFO            AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
285 
286 #endif /* !ACPI_REDUCED_HARDWARE */
287 
288 /*****************************************************************************
289  *
290  * Debug support
291  *
292  ****************************************************************************/
293 
294 /* Event counters */
295 
296 ACPI_GLOBAL (UINT32,                    AcpiMethodCount);
297 ACPI_GLOBAL (UINT32,                    AcpiGpeCount);
298 ACPI_GLOBAL (UINT32,                    AcpiSciCount);
299 ACPI_GLOBAL (UINT32,                    AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]);
300 
301 /* Support for dynamic control method tracing mechanism */
302 
303 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLevel);
304 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLayer);
305 
306 
307 /*****************************************************************************
308  *
309  * Debugger and Disassembler globals
310  *
311  ****************************************************************************/
312 
313 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_DbOutputFlags, ACPI_DB_CONSOLE_OUTPUT);
314 
315 #ifdef ACPI_DISASSEMBLER
316 
317 /* Do not disassemble buffers to resource descriptors */
318 
319 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_NoResourceDisassembly, FALSE);
320 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_IgnoreNoopOperator, FALSE);
321 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_CstyleDisassembly, TRUE);
322 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_ForceAmlDisassembly, FALSE);
323 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_DmOpt_Verbose, TRUE);
324 
325 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DmOpt_Disasm);
326 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DmOpt_Listing);
327 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_NumExternalMethods);
328 ACPI_GLOBAL (UINT32,                    AcpiGbl_ResolvedExternalMethods);
329 ACPI_GLOBAL (ACPI_EXTERNAL_LIST *,      AcpiGbl_ExternalList);
330 ACPI_GLOBAL (ACPI_EXTERNAL_FILE *,      AcpiGbl_ExternalFileList);
331 #endif
332 
333 #ifdef ACPI_DEBUGGER
334 
335 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_AbortMethod, FALSE);
336 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_MethodExecuting, FALSE);
337 ACPI_INIT_GLOBAL (ACPI_THREAD_ID,       AcpiGbl_DbThreadId, ACPI_INVALID_THREAD_ID);
338 
339 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoIniMethods);
340 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoRegionSupport);
341 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOutputToFile);
342 ACPI_GLOBAL (char *,                    AcpiGbl_DbBuffer);
343 ACPI_GLOBAL (char *,                    AcpiGbl_DbFilename);
344 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbDebugLevel);
345 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbConsoleDebugLevel);
346 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_DbScopeNode);
347 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbTerminateLoop);
348 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbThreadsTerminated);
349 
350 ACPI_GLOBAL (char *,                    AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]);
351 ACPI_GLOBAL (ACPI_OBJECT_TYPE,          AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]);
352 
353 /* These buffers should all be the same size */
354 
355 ACPI_GLOBAL (char,                      AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]);
356 ACPI_GLOBAL (char,                      AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]);
357 ACPI_GLOBAL (char,                      AcpiGbl_DbScopeBuf[ACPI_DB_LINE_BUFFER_SIZE]);
358 ACPI_GLOBAL (char,                      AcpiGbl_DbDebugFilename[ACPI_DB_LINE_BUFFER_SIZE]);
359 
360 /*
361  * Statistic globals
362  */
363 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCount[ACPI_TOTAL_TYPES]);
364 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCount[ACPI_TOTAL_TYPES]);
365 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCountMisc);
366 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCountMisc);
367 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumNodes);
368 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumObjects);
369 
370 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_DbCommandReady);
371 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_DbCommandComplete);
372 
373 #endif /* ACPI_DEBUGGER */
374 
375 
376 /*****************************************************************************
377  *
378  * Application globals
379  *
380  ****************************************************************************/
381 
382 #ifdef ACPI_APPLICATION
383 
384 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_DebugFile, NULL);
385 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_OutputFile, NULL);
386 
387 /* Print buffer */
388 
389 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_PrintLock);     /* For print buffer */
390 ACPI_GLOBAL (char,                      AcpiGbl_PrintBuffer[1024]);
391 
392 #endif /* ACPI_APPLICATION */
393 
394 
395 /*****************************************************************************
396  *
397  * Info/help support
398  *
399  ****************************************************************************/
400 
401 extern const AH_PREDEFINED_NAME         AslPredefinedInfo[];
402 extern const AH_DEVICE_ID               AslDeviceIds[];
403 
404 
405 #endif /* __ACGLOBAL_H__ */
406