1 /******************************************************************************
3 * Module Name: utglobal - Global variables for the ACPI subsystem
5 *****************************************************************************/
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44 #define __UTGLOBAL_C__
45 #define DEFINE_ACPI_GLOBALS
47 #include <contrib/dev/acpica/include/acpi.h>
48 #include <contrib/dev/acpica/include/accommon.h>
50 #define _COMPONENT ACPI_UTILITIES
51 ACPI_MODULE_NAME ("utglobal")
54 /*******************************************************************************
56 * Static global variable initialization.
58 ******************************************************************************/
61 * We want the debug switches statically initialized so they
62 * are already set when the debugger is entered.
65 /* Debug switch - level and trace mask */
67 #ifdef ACPI_DEBUG_OUTPUT
68 UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
70 UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
73 /* Debug switch - layer (component) mask */
75 UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
76 UINT32 AcpiGbl_NestingLevel = 0;
78 /* Debugger globals */
80 BOOLEAN AcpiGbl_DbTerminateThreads = FALSE;
81 BOOLEAN AcpiGbl_AbortMethod = FALSE;
82 BOOLEAN AcpiGbl_MethodExecuting = FALSE;
86 UINT32 AcpiGbl_StartupFlags = 0;
88 /* System starts uninitialized */
90 BOOLEAN AcpiGbl_Shutdown = TRUE;
92 const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
102 const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
111 const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
120 /*******************************************************************************
124 ******************************************************************************/
127 * Predefined ACPI Names (Built-in to the Interpreter)
130 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
131 * during the initialization sequence.
132 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
133 * perform a Notify() operation on it. 09/2010: Changed to type Device.
134 * This still allows notifies, but does not confuse host code that
135 * searches for valid ThermalZone objects.
137 const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
139 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
140 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
141 {"_SB_", ACPI_TYPE_DEVICE, NULL},
142 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
143 {"_TZ_", ACPI_TYPE_DEVICE, NULL},
144 {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
145 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
146 {"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
148 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
149 {"_OSI", ACPI_TYPE_METHOD, (char *) 1},
152 /* Table terminator */
154 {NULL, ACPI_TYPE_ANY, NULL}
158 #if (!ACPI_REDUCED_HARDWARE)
159 /******************************************************************************
161 * Event and Hardware globals
163 ******************************************************************************/
165 ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
167 /* Name Parent Register Register Bit Position Register Bit Mask */
169 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
170 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
171 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
172 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
173 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
174 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
175 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
176 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
178 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
179 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
180 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
181 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
182 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
183 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
185 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
186 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
187 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
188 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE},
189 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
191 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
195 ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
197 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
198 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
199 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
200 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
201 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
203 #endif /* !ACPI_REDUCED_HARDWARE */
206 /*******************************************************************************
208 * FUNCTION: AcpiUtInitGlobals
214 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
215 * initialization should be initialized here. This allows for
218 ******************************************************************************/
228 ACPI_FUNCTION_TRACE (UtInitGlobals);
231 /* Create all memory caches */
233 Status = AcpiUtCreateCaches ();
234 if (ACPI_FAILURE (Status))
236 return_ACPI_STATUS (Status);
239 /* Address Range lists */
241 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
243 AcpiGbl_AddressRangeList[i] = NULL;
246 /* Mutex locked flags */
248 for (i = 0; i < ACPI_NUM_MUTEX; i++)
250 AcpiGbl_MutexInfo[i].Mutex = NULL;
251 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
252 AcpiGbl_MutexInfo[i].UseCount = 0;
255 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
257 AcpiGbl_OwnerIdMask[i] = 0;
260 /* Last OwnerID is never valid */
262 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
270 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
272 AcpiFixedEventCount[i] = 0;
275 #if (!ACPI_REDUCED_HARDWARE)
277 /* GPE/SCI support */
279 AcpiGbl_AllGpesInitialized = FALSE;
280 AcpiGbl_GpeXruptListHead = NULL;
281 AcpiGbl_GpeFadtBlocks[0] = NULL;
282 AcpiGbl_GpeFadtBlocks[1] = NULL;
283 AcpiCurrentGpeCount = 0;
285 AcpiGbl_GlobalEventHandler = NULL;
286 AcpiGbl_SciHandlerList = NULL;
288 #endif /* !ACPI_REDUCED_HARDWARE */
290 /* Global handlers */
292 AcpiGbl_GlobalNotify[0].Handler = NULL;
293 AcpiGbl_GlobalNotify[1].Handler = NULL;
294 AcpiGbl_ExceptionHandler = NULL;
295 AcpiGbl_InitHandler = NULL;
296 AcpiGbl_TableHandler = NULL;
297 AcpiGbl_InterfaceHandler = NULL;
299 /* Global Lock support */
301 AcpiGbl_GlobalLockSemaphore = NULL;
302 AcpiGbl_GlobalLockMutex = NULL;
303 AcpiGbl_GlobalLockAcquired = FALSE;
304 AcpiGbl_GlobalLockHandle = 0;
305 AcpiGbl_GlobalLockPresent = FALSE;
307 /* Miscellaneous variables */
310 AcpiGbl_CmSingleStep = FALSE;
311 AcpiGbl_DbTerminateThreads = FALSE;
312 AcpiGbl_Shutdown = FALSE;
313 AcpiGbl_NsLookupCount = 0;
314 AcpiGbl_PsFindCount = 0;
315 AcpiGbl_AcpiHardwarePresent = TRUE;
316 AcpiGbl_LastOwnerIdIndex = 0;
317 AcpiGbl_NextOwnerIdOffset = 0;
318 AcpiGbl_TraceMethodName = 0;
319 AcpiGbl_TraceDbgLevel = 0;
320 AcpiGbl_TraceDbgLayer = 0;
321 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
322 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
323 AcpiGbl_OsiMutex = NULL;
324 AcpiGbl_RegMethodsExecuted = FALSE;
326 /* Hardware oriented */
328 AcpiGbl_EventsInitialized = FALSE;
329 AcpiGbl_SystemAwakeAndRunning = TRUE;
333 AcpiGbl_ModuleCodeList = NULL;
334 AcpiGbl_RootNode = NULL;
335 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
336 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
337 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
338 AcpiGbl_RootNodeStruct.Parent = NULL;
339 AcpiGbl_RootNodeStruct.Child = NULL;
340 AcpiGbl_RootNodeStruct.Peer = NULL;
341 AcpiGbl_RootNodeStruct.Object = NULL;
344 #ifdef ACPI_DISASSEMBLER
345 AcpiGbl_ExternalList = NULL;
346 AcpiGbl_NumExternalMethods = 0;
347 AcpiGbl_ResolvedExternalMethods = 0;
350 #ifdef ACPI_DEBUG_OUTPUT
351 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
354 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
355 AcpiGbl_DisplayFinalMemStats = FALSE;
356 AcpiGbl_DisableMemTracking = FALSE;
359 return_ACPI_STATUS (AE_OK);
364 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
365 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
366 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
367 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
368 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)