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acglobal.h revision 1.9
      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 (UINT64,                    AcpiMethodCount);
    288 ACPI_GLOBAL (UINT64,                    AcpiGpeCount);
    289 ACPI_GLOBAL (UINT64,                    AcpiSciCount);
    290 ACPI_GLOBAL (UINT64,                    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 
    297 
    298 /*****************************************************************************
    299  *
    300  * Debugger and Disassembler globals
    301  *
    302  ****************************************************************************/
    303 
    304 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_DbOutputFlags, ACPI_DB_CONSOLE_OUTPUT);
    305 
    306 #ifdef ACPI_DISASSEMBLER
    307 
    308 /* Do not disassemble buffers to resource descriptors */
    309 
    310 ACPI_INIT_GLOBAL (UINT8,                AcpiGbl_NoResourceDisassembly, FALSE);
    311 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_IgnoreNoopOperator, FALSE);
    312 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_CstyleDisassembly, TRUE);
    313 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_ForceAmlDisassembly, FALSE);
    314 ACPI_INIT_GLOBAL (ACPI_PARSE_OBJECT *,  AcpiGbl_PreviousOp, NULL);
    315 
    316 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_Disasm);
    317 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_Verbose);
    318 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_NumExternalMethods);
    319 ACPI_GLOBAL (UINT32,                    AcpiGbl_ResolvedExternalMethods);
    320 ACPI_GLOBAL (ACPI_EXTERNAL_LIST *,      AcpiGbl_ExternalList);
    321 ACPI_GLOBAL (ACPI_EXTERNAL_FILE *,      AcpiGbl_ExternalFileList);
    322 #endif
    323 
    324 #ifdef ACPI_DEBUGGER
    325 
    326 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_DbTerminateThreads, FALSE);
    327 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_AbortMethod, FALSE);
    328 ACPI_INIT_GLOBAL (BOOLEAN,              AcpiGbl_MethodExecuting, FALSE);
    329 
    330 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoIniMethods);
    331 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOpt_NoRegionSupport);
    332 ACPI_GLOBAL (BOOLEAN,                   AcpiGbl_DbOutputToFile);
    333 ACPI_GLOBAL (char *,                    AcpiGbl_DbBuffer);
    334 ACPI_GLOBAL (char *,                    AcpiGbl_DbFilename);
    335 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbDebugLevel);
    336 ACPI_GLOBAL (UINT32,                    AcpiGbl_DbConsoleDebugLevel);
    337 ACPI_GLOBAL (ACPI_NAMESPACE_NODE *,     AcpiGbl_DbScopeNode);
    338 
    339 ACPI_GLOBAL (char *,                    AcpiGbl_DbArgs[ACPI_DEBUGGER_MAX_ARGS]);
    340 ACPI_GLOBAL (ACPI_OBJECT_TYPE,          AcpiGbl_DbArgTypes[ACPI_DEBUGGER_MAX_ARGS]);
    341 
    342 /* These buffers should all be the same size */
    343 
    344 ACPI_GLOBAL (char,                      AcpiGbl_DbLineBuf[ACPI_DB_LINE_BUFFER_SIZE]);
    345 ACPI_GLOBAL (char,                      AcpiGbl_DbParsedBuf[ACPI_DB_LINE_BUFFER_SIZE]);
    346 ACPI_GLOBAL (char,                      AcpiGbl_DbScopeBuf[ACPI_DB_LINE_BUFFER_SIZE]);
    347 ACPI_GLOBAL (char,                      AcpiGbl_DbDebugFilename[ACPI_DB_LINE_BUFFER_SIZE]);
    348 
    349 /*
    350  * Statistic globals
    351  */
    352 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCount[ACPI_TYPE_NS_NODE_MAX+1]);
    353 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCount[ACPI_TYPE_NS_NODE_MAX+1]);
    354 ACPI_GLOBAL (UINT16,                    AcpiGbl_ObjTypeCountMisc);
    355 ACPI_GLOBAL (UINT16,                    AcpiGbl_NodeTypeCountMisc);
    356 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumNodes);
    357 ACPI_GLOBAL (UINT32,                    AcpiGbl_NumObjects);
    358 
    359 #endif /* ACPI_DEBUGGER */
    360 
    361 
    362 /*****************************************************************************
    363  *
    364  * Application globals
    365  *
    366  ****************************************************************************/
    367 
    368 #ifdef ACPI_APPLICATION
    369 
    370 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_DebugFile, NULL);
    371 ACPI_INIT_GLOBAL (ACPI_FILE,            AcpiGbl_OutputFile, NULL);
    372 
    373 /* Print buffer */
    374 
    375 ACPI_GLOBAL (ACPI_SPINLOCK,             AcpiGbl_PrintLock);     /* For print buffer */
    376 ACPI_GLOBAL (char,                      AcpiGbl_PrintBuffer[1024]);
    377 
    378 #endif /* ACPI_APPLICATION */
    379 
    380 
    381 /*****************************************************************************
    382  *
    383  * Info/help support
    384  *
    385  ****************************************************************************/
    386 
    387 extern const AH_PREDEFINED_NAME         AslPredefinedInfo[];
    388 extern const AH_DEVICE_ID               AslDeviceIds[];
    389 
    390 
    391 #endif /* __ACGLOBAL_H__ */
    392