1 /******************************************************************************
3 * Module Name: utinit - Common ACPI subsystem initialization
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2015, Intel Corp.
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12 * modification, are permitted provided that the following conditions
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
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44 #include <contrib/dev/acpica/include/acpi.h>
45 #include <contrib/dev/acpica/include/accommon.h>
46 #include <contrib/dev/acpica/include/acnamesp.h>
47 #include <contrib/dev/acpica/include/acevents.h>
48 #include <contrib/dev/acpica/include/actables.h>
50 #define _COMPONENT ACPI_UTILITIES
51 ACPI_MODULE_NAME ("utinit")
53 /* Local prototypes */
55 static void AcpiUtTerminate (
58 #if (!ACPI_REDUCED_HARDWARE)
66 #define AcpiUtFreeGpeLists()
67 #endif /* !ACPI_REDUCED_HARDWARE */
70 #if (!ACPI_REDUCED_HARDWARE)
71 /******************************************************************************
73 * FUNCTION: AcpiUtFreeGpeLists
79 * DESCRIPTION: Free global GPE lists
81 ******************************************************************************/
87 ACPI_GPE_BLOCK_INFO *GpeBlock;
88 ACPI_GPE_BLOCK_INFO *NextGpeBlock;
89 ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
90 ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo;
93 /* Free global GPE blocks and related info structures */
95 GpeXruptInfo = AcpiGbl_GpeXruptListHead;
98 GpeBlock = GpeXruptInfo->GpeBlockListHead;
101 NextGpeBlock = GpeBlock->Next;
102 ACPI_FREE (GpeBlock->EventInfo);
103 ACPI_FREE (GpeBlock->RegisterInfo);
104 ACPI_FREE (GpeBlock);
106 GpeBlock = NextGpeBlock;
108 NextGpeXruptInfo = GpeXruptInfo->Next;
109 ACPI_FREE (GpeXruptInfo);
110 GpeXruptInfo = NextGpeXruptInfo;
113 #endif /* !ACPI_REDUCED_HARDWARE */
116 /*******************************************************************************
118 * FUNCTION: AcpiUtInitGlobals
124 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
125 * initialization should be initialized here. This allows for
128 ******************************************************************************/
138 ACPI_FUNCTION_TRACE (UtInitGlobals);
141 /* Create all memory caches */
143 Status = AcpiUtCreateCaches ();
144 if (ACPI_FAILURE (Status))
146 return_ACPI_STATUS (Status);
149 /* Address Range lists */
151 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
153 AcpiGbl_AddressRangeList[i] = NULL;
156 /* Mutex locked flags */
158 for (i = 0; i < ACPI_NUM_MUTEX; i++)
160 AcpiGbl_MutexInfo[i].Mutex = NULL;
161 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
162 AcpiGbl_MutexInfo[i].UseCount = 0;
165 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
167 AcpiGbl_OwnerIdMask[i] = 0;
170 /* Last OwnerID is never valid */
172 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
180 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
182 AcpiFixedEventCount[i] = 0;
185 #if (!ACPI_REDUCED_HARDWARE)
187 /* GPE/SCI support */
189 AcpiGbl_AllGpesInitialized = FALSE;
190 AcpiGbl_GpeXruptListHead = NULL;
191 AcpiGbl_GpeFadtBlocks[0] = NULL;
192 AcpiGbl_GpeFadtBlocks[1] = NULL;
193 AcpiCurrentGpeCount = 0;
195 AcpiGbl_GlobalEventHandler = NULL;
196 AcpiGbl_SciHandlerList = NULL;
198 #endif /* !ACPI_REDUCED_HARDWARE */
200 /* Global handlers */
202 AcpiGbl_GlobalNotify[0].Handler = NULL;
203 AcpiGbl_GlobalNotify[1].Handler = NULL;
204 AcpiGbl_ExceptionHandler = NULL;
205 AcpiGbl_InitHandler = NULL;
206 AcpiGbl_TableHandler = NULL;
207 AcpiGbl_InterfaceHandler = NULL;
209 /* Global Lock support */
211 AcpiGbl_GlobalLockSemaphore = NULL;
212 AcpiGbl_GlobalLockMutex = NULL;
213 AcpiGbl_GlobalLockAcquired = FALSE;
214 AcpiGbl_GlobalLockHandle = 0;
215 AcpiGbl_GlobalLockPresent = FALSE;
217 /* Miscellaneous variables */
220 AcpiGbl_CmSingleStep = FALSE;
221 AcpiGbl_Shutdown = FALSE;
222 AcpiGbl_NsLookupCount = 0;
223 AcpiGbl_PsFindCount = 0;
224 AcpiGbl_AcpiHardwarePresent = TRUE;
225 AcpiGbl_LastOwnerIdIndex = 0;
226 AcpiGbl_NextOwnerIdOffset = 0;
227 AcpiGbl_TraceDbgLevel = 0;
228 AcpiGbl_TraceDbgLayer = 0;
229 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
230 AcpiGbl_OsiMutex = NULL;
231 AcpiGbl_RegMethodsExecuted = FALSE;
233 /* Hardware oriented */
235 AcpiGbl_EventsInitialized = FALSE;
236 AcpiGbl_SystemAwakeAndRunning = TRUE;
240 AcpiGbl_ModuleCodeList = NULL;
241 AcpiGbl_RootNode = NULL;
242 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
243 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
244 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
245 AcpiGbl_RootNodeStruct.Parent = NULL;
246 AcpiGbl_RootNodeStruct.Child = NULL;
247 AcpiGbl_RootNodeStruct.Peer = NULL;
248 AcpiGbl_RootNodeStruct.Object = NULL;
251 #ifdef ACPI_DISASSEMBLER
252 AcpiGbl_ExternalList = NULL;
253 AcpiGbl_NumExternalMethods = 0;
254 AcpiGbl_ResolvedExternalMethods = 0;
257 #ifdef ACPI_DEBUG_OUTPUT
258 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
261 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
262 AcpiGbl_DisplayFinalMemStats = FALSE;
263 AcpiGbl_DisableMemTracking = FALSE;
266 ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = FALSE);
268 return_ACPI_STATUS (AE_OK);
272 /******************************************************************************
274 * FUNCTION: AcpiUtTerminate
280 * DESCRIPTION: Free global memory
282 ******************************************************************************/
288 ACPI_FUNCTION_TRACE (UtTerminate);
290 AcpiUtFreeGpeLists ();
291 AcpiUtDeleteAddressLists ();
296 /*******************************************************************************
298 * FUNCTION: AcpiUtSubsystemShutdown
304 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
305 * objects here, because the AML debugger may be still running.
307 ******************************************************************************/
310 AcpiUtSubsystemShutdown (
313 ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
316 #ifndef ACPI_ASL_COMPILER
318 /* Close the AcpiEvent Handling */
322 /* Delete any dynamic _OSI interfaces */
324 AcpiUtInterfaceTerminate ();
327 /* Close the Namespace */
331 /* Delete the ACPI tables */
335 /* Close the globals */
339 /* Purge the local caches */
341 (void) AcpiUtDeleteCaches ();