1 /******************************************************************************
3 * Module Name: utinit - Common ACPI subsystem initialization
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2019, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acnamesp.h>
155 #include <contrib/dev/acpica/include/acevents.h>
156 #include <contrib/dev/acpica/include/actables.h>
158 #define _COMPONENT ACPI_UTILITIES
159 ACPI_MODULE_NAME ("utinit")
161 /* Local prototypes */
163 static void AcpiUtTerminate (
166 #if (!ACPI_REDUCED_HARDWARE)
174 #define AcpiUtFreeGpeLists()
175 #endif /* !ACPI_REDUCED_HARDWARE */
178 #if (!ACPI_REDUCED_HARDWARE)
179 /******************************************************************************
181 * FUNCTION: AcpiUtFreeGpeLists
187 * DESCRIPTION: Free global GPE lists
189 ******************************************************************************/
195 ACPI_GPE_BLOCK_INFO *GpeBlock;
196 ACPI_GPE_BLOCK_INFO *NextGpeBlock;
197 ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
198 ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo;
201 /* Free global GPE blocks and related info structures */
203 GpeXruptInfo = AcpiGbl_GpeXruptListHead;
206 GpeBlock = GpeXruptInfo->GpeBlockListHead;
209 NextGpeBlock = GpeBlock->Next;
210 ACPI_FREE (GpeBlock->EventInfo);
211 ACPI_FREE (GpeBlock->RegisterInfo);
212 ACPI_FREE (GpeBlock);
214 GpeBlock = NextGpeBlock;
216 NextGpeXruptInfo = GpeXruptInfo->Next;
217 ACPI_FREE (GpeXruptInfo);
218 GpeXruptInfo = NextGpeXruptInfo;
221 #endif /* !ACPI_REDUCED_HARDWARE */
224 /*******************************************************************************
226 * FUNCTION: AcpiUtInitGlobals
232 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
233 * initialization should be initialized here. This allows for
236 ******************************************************************************/
246 ACPI_FUNCTION_TRACE (UtInitGlobals);
249 /* Create all memory caches */
251 Status = AcpiUtCreateCaches ();
252 if (ACPI_FAILURE (Status))
254 return_ACPI_STATUS (Status);
257 /* Address Range lists */
259 for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
261 AcpiGbl_AddressRangeList[i] = NULL;
264 /* Mutex locked flags */
266 for (i = 0; i < ACPI_NUM_MUTEX; i++)
268 AcpiGbl_MutexInfo[i].Mutex = NULL;
269 AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
270 AcpiGbl_MutexInfo[i].UseCount = 0;
273 for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
275 AcpiGbl_OwnerIdMask[i] = 0;
278 /* Last OwnerID is never valid */
280 AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
288 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
290 AcpiFixedEventCount[i] = 0;
293 #if (!ACPI_REDUCED_HARDWARE)
295 /* GPE/SCI support */
297 AcpiGbl_AllGpesInitialized = FALSE;
298 AcpiGbl_GpeXruptListHead = NULL;
299 AcpiGbl_GpeFadtBlocks[0] = NULL;
300 AcpiGbl_GpeFadtBlocks[1] = NULL;
301 AcpiCurrentGpeCount = 0;
303 AcpiGbl_GlobalEventHandler = NULL;
304 AcpiGbl_SciHandlerList = NULL;
306 #endif /* !ACPI_REDUCED_HARDWARE */
308 /* Global handlers */
310 AcpiGbl_GlobalNotify[0].Handler = NULL;
311 AcpiGbl_GlobalNotify[1].Handler = NULL;
312 AcpiGbl_ExceptionHandler = NULL;
313 AcpiGbl_InitHandler = NULL;
314 AcpiGbl_TableHandler = NULL;
315 AcpiGbl_InterfaceHandler = NULL;
317 /* Global Lock support */
319 AcpiGbl_GlobalLockSemaphore = NULL;
320 AcpiGbl_GlobalLockMutex = NULL;
321 AcpiGbl_GlobalLockAcquired = FALSE;
322 AcpiGbl_GlobalLockHandle = 0;
323 AcpiGbl_GlobalLockPresent = FALSE;
325 /* Miscellaneous variables */
328 AcpiGbl_CmSingleStep = FALSE;
329 AcpiGbl_Shutdown = FALSE;
330 AcpiGbl_NsLookupCount = 0;
331 AcpiGbl_PsFindCount = 0;
332 AcpiGbl_AcpiHardwarePresent = TRUE;
333 AcpiGbl_LastOwnerIdIndex = 0;
334 AcpiGbl_NextOwnerIdOffset = 0;
335 AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
336 AcpiGbl_OsiMutex = NULL;
338 /* Hardware oriented */
340 AcpiGbl_EventsInitialized = FALSE;
341 AcpiGbl_SystemAwakeAndRunning = TRUE;
345 AcpiGbl_RootNode = NULL;
346 AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
347 AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
348 AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
349 AcpiGbl_RootNodeStruct.Parent = NULL;
350 AcpiGbl_RootNodeStruct.Child = NULL;
351 AcpiGbl_RootNodeStruct.Peer = NULL;
352 AcpiGbl_RootNodeStruct.Object = NULL;
355 #ifdef ACPI_DISASSEMBLER
356 AcpiGbl_ExternalList = NULL;
357 AcpiGbl_NumExternalMethods = 0;
358 AcpiGbl_ResolvedExternalMethods = 0;
361 #ifdef ACPI_DEBUG_OUTPUT
362 AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
365 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
366 AcpiGbl_DisplayFinalMemStats = FALSE;
367 AcpiGbl_DisableMemTracking = FALSE;
370 return_ACPI_STATUS (AE_OK);
374 /******************************************************************************
376 * FUNCTION: AcpiUtTerminate
382 * DESCRIPTION: Free global memory
384 ******************************************************************************/
390 ACPI_FUNCTION_TRACE (UtTerminate);
392 AcpiUtFreeGpeLists ();
393 AcpiUtDeleteAddressLists ();
398 /*******************************************************************************
400 * FUNCTION: AcpiUtSubsystemShutdown
406 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
407 * objects here, because the AML debugger may be still running.
409 ******************************************************************************/
412 AcpiUtSubsystemShutdown (
415 ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
418 /* Just exit if subsystem is already shutdown */
420 if (AcpiGbl_Shutdown)
422 ACPI_ERROR ((AE_INFO, "ACPI Subsystem is already terminated"));
426 /* Subsystem appears active, go ahead and shut it down */
428 AcpiGbl_Shutdown = TRUE;
429 AcpiGbl_StartupFlags = 0;
430 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
432 #ifndef ACPI_ASL_COMPILER
434 /* Close the AcpiEvent Handling */
438 /* Delete any dynamic _OSI interfaces */
440 AcpiUtInterfaceTerminate ();
443 /* Close the Namespace */
447 /* Delete the ACPI tables */
451 /* Close the globals */
455 /* Purge the local caches */
457 (void) AcpiUtDeleteCaches ();