1 /******************************************************************************
3 * Module Name: utglobal - Global variables for the ACPI subsystem
5 *****************************************************************************/
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44 #define __UTGLOBAL_C__
45 #define EXPORT_ACPI_INTERFACES
46 #define DEFINE_ACPI_GLOBALS
51 #define _COMPONENT ACPI_UTILITIES
52 ACPI_MODULE_NAME ("utglobal")
55 /*******************************************************************************
57 * Static global variable initialization.
59 ******************************************************************************/
61 /* Various state name strings */
63 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
73 const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
82 const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
91 /*******************************************************************************
95 ******************************************************************************/
98 * Predefined ACPI Names (Built-in to the Interpreter)
101 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
102 * during the initialization sequence.
103 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
104 * perform a Notify() operation on it. 09/2010: Changed to type Device.
105 * This still allows notifies, but does not confuse host code that
106 * searches for valid ThermalZone objects.
108 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
110 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
111 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
112 {"_SB_", ACPI_TYPE_DEVICE, NULL},
113 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
114 {"_TZ_", ACPI_TYPE_DEVICE, NULL},
115 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
116 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
117 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
119 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
120 {"_OSI", ACPI_TYPE_METHOD, (char *) 1},
123 /* Table terminator */
125 {NULL, ACPI_TYPE_ANY, NULL}
129 #if (!ACPI_REDUCED_HARDWARE)
130 /******************************************************************************
132 * Event and Hardware globals
134 ******************************************************************************/
136 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
138 /* Name Parent Register Register Bit Position Register Bit Mask */
140 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
141 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
142 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
143 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
144 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
145 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
146 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
147 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
149 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
150 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
151 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
152 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
153 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
154 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
156 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
157 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
158 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
159 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE},
160 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
162 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
166 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
168 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
169 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
170 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
171 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
172 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
174 #endif /* !ACPI_REDUCED_HARDWARE */
177 /*******************************************************************************
179 * FUNCTION: AcpiUtInitGlobals
185 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
186 * initialization should be initialized here. This allows for
189 ******************************************************************************/
199 ACPI_FUNCTION_TRACE (UtInitGlobals);
202 /* Create all memory caches */
204 Status = AcpiUtCreateCaches ();
205 if (ACPI_FAILURE (Status))
207 return_ACPI_STATUS (Status);
210 /* Address Range lists */
212 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
214 AcpiGbl_AddressRangeList[i] = NULL;
217 /* Mutex locked flags */
219 for (i = 0; i < ACPI_NUM_MUTEX; i++)
221 AcpiGbl_MutexInfo[i].Mutex = NULL;
222 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
223 AcpiGbl_MutexInfo[i].UseCount = 0;
226 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
228 AcpiGbl_OwnerIdMask[i] = 0;
231 /* Last OwnerID is never valid */
233 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
241 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
243 AcpiFixedEventCount[i] = 0;
246 #if (!ACPI_REDUCED_HARDWARE)
248 /* GPE/SCI support */
250 AcpiGbl_AllGpesInitialized = FALSE;
251 AcpiGbl_GpeXruptListHead = NULL;
252 AcpiGbl_GpeFadtBlocks[0] = NULL;
253 AcpiGbl_GpeFadtBlocks[1] = NULL;
254 AcpiCurrentGpeCount = 0;
256 AcpiGbl_GlobalEventHandler = NULL;
257 AcpiGbl_SciHandlerList = NULL;
259 #endif /* !ACPI_REDUCED_HARDWARE */
261 /* Global handlers */
263 AcpiGbl_GlobalNotify[0].Handler = NULL;
264 AcpiGbl_GlobalNotify[1].Handler = NULL;
265 AcpiGbl_ExceptionHandler = NULL;
266 AcpiGbl_InitHandler = NULL;
267 AcpiGbl_TableHandler = NULL;
268 AcpiGbl_InterfaceHandler = NULL;
270 /* Global Lock support */
272 AcpiGbl_GlobalLockSemaphore = NULL;
273 AcpiGbl_GlobalLockMutex = NULL;
274 AcpiGbl_GlobalLockAcquired = FALSE;
275 AcpiGbl_GlobalLockHandle = 0;
276 AcpiGbl_GlobalLockPresent = FALSE;
278 /* Miscellaneous variables */
281 AcpiGbl_CmSingleStep = FALSE;
282 AcpiGbl_Shutdown = FALSE;
283 AcpiGbl_NsLookupCount = 0;
284 AcpiGbl_PsFindCount = 0;
285 AcpiGbl_AcpiHardwarePresent = TRUE;
286 AcpiGbl_LastOwnerIdIndex = 0;
287 AcpiGbl_NextOwnerIdOffset = 0;
288 AcpiGbl_TraceDbgLevel = 0;
289 AcpiGbl_TraceDbgLayer = 0;
290 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
291 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
292 AcpiGbl_OsiMutex = NULL;
293 AcpiGbl_RegMethodsExecuted = FALSE;
295 /* Hardware oriented */
297 AcpiGbl_EventsInitialized = FALSE;
298 AcpiGbl_SystemAwakeAndRunning = TRUE;
302 AcpiGbl_ModuleCodeList = NULL;
303 AcpiGbl_RootNode = NULL;
304 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
305 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
306 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
307 AcpiGbl_RootNodeStruct.Parent = NULL;
308 AcpiGbl_RootNodeStruct.Child = NULL;
309 AcpiGbl_RootNodeStruct.Peer = NULL;
310 AcpiGbl_RootNodeStruct.Object = NULL;
313 #ifdef ACPI_DISASSEMBLER
314 AcpiGbl_ExternalList = NULL;
315 AcpiGbl_NumExternalMethods = 0;
316 AcpiGbl_ResolvedExternalMethods = 0;
319 #ifdef ACPI_DEBUG_OUTPUT
320 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
323 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
324 AcpiGbl_DisplayFinalMemStats = FALSE;
325 AcpiGbl_DisableMemTracking = FALSE;
328 ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = FALSE);
330 return_ACPI_STATUS (AE_OK);
335 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
336 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
337 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
338 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
339 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)