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 
63 #if (!ACPI_REDUCED_HARDWARE)
64 ACPI_GLOBAL (ACPI_TABLE_FACS *,         AcpiGbl_FACS);
65 ACPI_GLOBAL (ACPI_TABLE_FACS *,         AcpiGbl_Facs32);
66 ACPI_GLOBAL (ACPI_TABLE_FACS *,         AcpiGbl_Facs64);
67 
68 #endif /* !ACPI_REDUCED_HARDWARE */
69 
70 /* These addresses are calculated from the FADT Event Block addresses */
71 
72 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1aStatus);
73 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1aEnable);
74 
75 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1bStatus);
76 ACPI_GLOBAL (ACPI_GENERIC_ADDRESS,      AcpiGbl_XPm1bEnable);
77 
78 /*
79  * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
80  * determined by the revision of the DSDT: If the DSDT revision is less than
81  * 2, use only the lower 32 bits of the internal 64-bit Integer.
82  */
83 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerBitWidth);
84 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerByteWidth);
85 ACPI_GLOBAL (UINT8,                     AcpiGbl_IntegerNybbleWidth);
86 
87 
88 /*****************************************************************************
89  *
90  * Mutual exclusion within ACPICA subsystem
91  *
92  ****************************************************************************/
93 
94 /*
95  * Predefined mutex objects. This array contains the
96  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
97  * (The table maps local handles to the real OS handles)
98  */
99 ACPI_GLOBAL (ACPI_MUTEX_INFO,           AcpiGbl_MutexInfo[ACPI_NUM_MUTEX]);
100 
101 /*
102  * Global lock mutex is an actual AML mutex object
103  * Global lock semaphore works in conjunction with the actual global lock
104  * Global lock spinlock is used for "pending" handshake
105  */
106 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_GlobalLockMutex);
107 ACPI_GLOBAL (ACPI_SEMAPHORE,            AcpiGbl_GlobalLockSemaphore);
108 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GlobalLockPendingLock);
109 ACPI_GLOBAL (UINT16,                    AcpiGbl_GlobalLockHandle);
110 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockAcquired);
111 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPresent);
112 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_GlobalLockPending);
113 
114 /*
115  * Spinlocks are used for interfaces that can be possibly called at
116  * interrupt level
117  */
118 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_GpeLock);       /* For GPE data structs and registers */
119 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_HardwareLock);  /* For ACPI H/W except GPE registers */
120 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_ReferenceCountLock);
121 
122 /* Mutex for _OSI support */
123 
124 ACPI_GLOBAL (ACPI_MUTEX,                AcpiGbl_OsiMutex);
125 
126 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
127 
128 ACPI_GLOBAL (ACPI_RW_LOCK,              AcpiGbl_NamespaceRwLock);
129 
130 
131 /*****************************************************************************
132  *
133  * Miscellaneous globals
134  *
135  ****************************************************************************/
136 
137 /* Object caches */
138 
139 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_NamespaceCache);
140 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_StateCache);
141 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeCache);
142 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_PsNodeExtCache);
143 ACPI_GLOBAL (ACPI_CACHE_T *,            AcpiGbl_OperandCache);
144 
145 /* System */
146 
147 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_StartupFlags, 0);
148 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_Shutdown, TRUE);
149 
150 /* Global handlers */
151 
152 ACPI_GLOBAL (ACPI_GLOBAL_NOTIFY_HANDLER,AcpiGbl_GlobalNotify[2]);
153 ACPI_GLOBAL (ACPI_EXCEPTION_HANDLER,    AcpiGbl_ExceptionHandler);
154 ACPI_GLOBAL (ACPI_INIT_HANDLER,         AcpiGbl_InitHandler);
155 ACPI_GLOBAL (ACPI_TABLE_HANDLER,        AcpiGbl_TableHandler);
156 ACPI_GLOBAL (void *,                    AcpiGbl_TableHandlerContext);
157 ACPI_GLOBAL (ACPI_INTERFACE_HANDLER,    AcpiGbl_InterfaceHandler);
158 ACPI_GLOBAL (ACPI_SCI_HANDLER_INFO *,   AcpiGbl_SciHandlerList);
159 
160 /* Owner ID support */
161 
162 ACPI_GLOBAL (UINT32,                    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS]);
163 ACPI_GLOBAL (UINT8,                     AcpiGbl_LastOwnerIdIndex);
164 ACPI_GLOBAL (UINT8,                     AcpiGbl_NextOwnerIdOffset);
165 
166 /* Initialization sequencing */
167 
168 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_RegMethodsExecuted);
169 
170 /* Misc */
171 
172 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalMode);
173 ACPI_GLOBAL (UINT32,                    AcpiGbl_NsLookupCount);
174 ACPI_GLOBAL (UINT32,                    AcpiGbl_PsFindCount);
175 ACPI_GLOBAL (UINT16,                    AcpiGbl_Pm1EnableRegisterSave);
176 ACPI_GLOBAL (UINT8,                     AcpiGbl_DebuggerConfiguration);
177 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_StepToNextCall);
178 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_AcpiHardwarePresent);
179 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_EventsInitialized);
180 ACPI_GLOBAL (ACPI_INTERFACE_INFO *,     AcpiGbl_SupportedInterfaces);
181 ACPI_GLOBAL (ACPI_ADDRESS_RANGE *,      AcpiGbl_AddressRangeList[ACPI_ADDRESS_RANGE_MAX]);
182 
183 /* Other miscellaneous, declared and initialized in utglobal */
184 
185 extern const char                      *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT];
186 extern const char                      *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS];
187 extern const char                      *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS];
188 extern const char                      *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS];
189 extern const ACPI_OPCODE_INFO           AcpiGbl_AmlOpInfo[AML_NUM_OPCODES];
190 
191 
192 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
193 
194 /* Lists for tracking memory allocations (debug only) */
195 
196 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_GlobalList);
197 ACPI_GLOBAL (ACPI_MEMORY_LIST *,        AcpiGbl_NsNodeList);
198 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisplayFinalMemStats);
199 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DisableMemTracking);
200 #endif
201 
202 
203 /*****************************************************************************
204  *
205  * Namespace globals
206  *
207  ****************************************************************************/
208 
209 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
210 #define NUM_PREDEFINED_NAMES            10
211 #else
212 #define NUM_PREDEFINED_NAMES            9
213 #endif
214 
215 ACPI_GLOBAL (ACPI_NAMESPACE_NODE,       AcpiGbl_RootNodeStruct);
216 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_RootNode);
217 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_FadtGpeDevice);
218 ACPI_GLOBAL (ACPI_OPERAND_OBJECT *,     AcpiGbl_ModuleCodeList);
219 
220 
221 extern const UINT8                      AcpiGbl_NsProperties [ACPI_NUM_NS_TYPES];
222 extern const ACPI_PREDEFINED_NAMES      AcpiGbl_PreDefinedNames [NUM_PREDEFINED_NAMES];
223 
224 #ifdef ACPI_DEBUG_OUTPUT
225 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeCount);
226 ACPI_GLOBAL (UINT32,                    AcpiGbl_CurrentNodeSize);
227 ACPI_GLOBAL (UINT32,                    AcpiGbl_MaxConcurrentNodeCount);
228 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_EntryStackPointer);
229 ACPI_GLOBAL (ACPI_SIZE *,               AcpiGbl_LowestStackPointer);
230 ACPI_GLOBAL (UINT32,                    AcpiGbl_DeepestNesting);
231 ACPI_INIT_GLOBAL (UINT32,               AcpiGbl_NestingLevel, 0);
232 #endif
233 
234 
235 /*****************************************************************************
236  *
237  * Interpreter globals
238  *
239  ****************************************************************************/
240 
241 ACPI_GLOBAL (ACPI_THREAD_STATE *,       AcpiGbl_CurrentWalkList);
242 
243 /* Control method single step flag */
244 
245 ACPI_GLOBAL (UINT8,                     AcpiGbl_CmSingleStep);
246 
247 
248 /*****************************************************************************
249  *
250  * Hardware globals
251  *
252  ****************************************************************************/
253 
254 extern ACPI_BIT_REGISTER_INFO           AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG];
255 
256 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeA);
257 ACPI_GLOBAL (UINT8,                     AcpiGbl_SleepTypeB);
258 
259 
260 /*****************************************************************************
261  *
262  * Event and GPE globals
263  *
264  ****************************************************************************/
265 
266 #if (!ACPI_REDUCED_HARDWARE)
267 
268 ACPI_GLOBAL (UINT8,                     AcpiGbl_AllGpesInitialized);
269 ACPI_GLOBAL (ACPI_GPE_XRUPT_INFO *,     AcpiGbl_GpeXruptListHead);
270 ACPI_GLOBAL (ACPI_GPE_BLOCK_INFO *,     AcpiGbl_GpeFadtBlocks[ACPI_MAX_GPE_BLOCKS]);
271 ACPI_GLOBAL (ACPI_GBL_EVENT_HANDLER,    AcpiGbl_GlobalEventHandler);
272 ACPI_GLOBAL (void *,                    AcpiGbl_GlobalEventHandlerContext);
273 ACPI_GLOBAL (ACPI_FIXED_EVENT_HANDLER,  AcpiGbl_FixedEventHandlers[ACPI_NUM_FIXED_EVENTS]);
274 
275 extern ACPI_FIXED_EVENT_INFO            AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS];
276 
277 #endif /* !ACPI_REDUCED_HARDWARE */
278 
279 /*****************************************************************************
280  *
281  * Debug support
282  *
283  ****************************************************************************/
284 
285 /* Event counters */
286 
287 ACPI_GLOBAL (UINT32,                    AcpiMethodCount);
288 ACPI_GLOBAL (UINT32,                    AcpiGpeCount);
289 ACPI_GLOBAL (UINT32,                    AcpiSciCount);
290 ACPI_GLOBAL (UINT32,                    AcpiFixedEventCount[ACPI_NUM_FIXED_EVENTS]);
291 
292 /* Support for dynamic control method tracing mechanism */
293 
294 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLevel);
295 ACPI_GLOBAL (UINT32,                    AcpiGbl_OriginalDbgLayer);
296 ACPI_GLOBAL (UINT32,                    AcpiGbl_TraceDbgLevel);
297 ACPI_GLOBAL (UINT32,                    AcpiGbl_TraceDbgLayer);
298 
299 
300 /*****************************************************************************
301  *
302  * Debugger and Disassembler globals
303  *
304  ****************************************************************************/
305 
306 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_DbOutputFlags, ACPI_DB_CONSOLE_OUTPUT);
307 
308 #ifdef ACPI_DISASSEMBLER
309 
310 /* Do not disassemble buffers to resource descriptors */
311 
312 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_NoResourceDisassembly, FALSE);
313 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_IgnoreNoopOperator, FALSE);
314 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_CstyleDisassembly, TRUE);
315 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_ForceAmlDisassembly, FALSE);
316 
317 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_Disasm);
318 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_Verbose);
319 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_NumExternalMethods);
320 ACPI_GLOBAL (UINT32,                    AcpiGbl_ResolvedExternalMethods);
321 ACPI_GLOBAL (ACPI_EXTERNAL_LIST *,      AcpiGbl_ExternalList);
322 ACPI_GLOBAL (ACPI_EXTERNAL_FILE *,      AcpiGbl_ExternalFileList);
323 #endif
324 
325 #ifdef ACPI_DEBUGGER
326 
327 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_DbTerminateThreads, FALSE);
328 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_AbortMethod, FALSE);
329 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_MethodExecuting, FALSE);
330 
331 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoIniMethods);
332 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoRegionSupport);
333 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOutputToFile);
334 ACPI_GLOBAL (char *,                    AcpiGbl_DbBuffer);
335 ACPI_GLOBAL (char *,                    AcpiGbl_DbFilename);
336 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbDebugLevel);
337 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbConsoleDebugLevel);
338 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_DbScopeNode);
339 
340 ACPI_GLOBAL (char *,                    AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]);
341 ACPI_GLOBAL (ACPI_OBJECT_TYPE,          AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]);
342 
343 /* These buffers should all be the same size */
344 
345 ACPI_GLOBAL (char,                      AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]);
346 ACPI_GLOBAL (char,                      AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]);
347 ACPI_GLOBAL (char,                      AcpiGbl_DbScopeBuf[ACPI_DB_LINE_BUFFER_SIZE]);
348 ACPI_GLOBAL (char,                      AcpiGbl_DbDebugFilename[ACPI_DB_LINE_BUFFER_SIZE]);
349 
350 /*
351  * Statistic globals
352  */
353 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]);
354 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]);
355 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCountMisc);
356 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCountMisc);
357 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumNodes);
358 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumObjects);
359 
360 #endif /* ACPI_DEBUGGER */
361 
362 
363 /*****************************************************************************
364  *
365  * Application globals
366  *
367  ****************************************************************************/
368 
369 #ifdef ACPI_APPLICATION
370 
371 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_DebugFile, NULL);
372 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_OutputFile, NULL);
373 
374 /* Print buffer */
375 
376 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_PrintLock);     /* For print buffer */
377 ACPI_GLOBAL (char,                      AcpiGbl_PrintBuffer[1024]);
378 
379 #endif /* ACPI_APPLICATION */
380 
381 
382 /*****************************************************************************
383  *
384  * Info/help support
385  *
386  ****************************************************************************/
387 
388 extern const AH_PREDEFINED_NAME         AslPredefinedInfo[];
389 extern const AH_DEVICE_ID               AslDeviceIds[];
390 
391 
392 #endif /* __ACGLOBAL_H__ */
393