utinit.c revision 281075 
1/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
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#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>
49
50#define _COMPONENT          ACPI_UTILITIES
51        ACPI_MODULE_NAME    ("utinit")
52
53/* Local prototypes */
54
55static void AcpiUtTerminate (
56    void);
57
58#if (!ACPI_REDUCED_HARDWARE)
59
60static void
61AcpiUtFreeGpeLists (
62    void);
63
64#else
65
66#define AcpiUtFreeGpeLists()
67#endif /* !ACPI_REDUCED_HARDWARE */
68
69
70#if (!ACPI_REDUCED_HARDWARE)
71/******************************************************************************
72 *
73 * FUNCTION:    AcpiUtFreeGpeLists
74 *
75 * PARAMETERS:  none
76 *
77 * RETURN:      none
78 *
79 * DESCRIPTION: Free global GPE lists
80 *
81 ******************************************************************************/
82
83static void
84AcpiUtFreeGpeLists (
85    void)
86{
87    ACPI_GPE_BLOCK_INFO     *GpeBlock;
88    ACPI_GPE_BLOCK_INFO     *NextGpeBlock;
89    ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
90    ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
91
92
93    /* Free global GPE blocks and related info structures */
94
95    GpeXruptInfo = AcpiGbl_GpeXruptListHead;
96    while (GpeXruptInfo)
97    {
98        GpeBlock = GpeXruptInfo->GpeBlockListHead;
99        while (GpeBlock)
100        {
101            NextGpeBlock = GpeBlock->Next;
102            ACPI_FREE (GpeBlock->EventInfo);
103            ACPI_FREE (GpeBlock->RegisterInfo);
104            ACPI_FREE (GpeBlock);
105
106            GpeBlock = NextGpeBlock;
107        }
108        NextGpeXruptInfo = GpeXruptInfo->Next;
109        ACPI_FREE (GpeXruptInfo);
110        GpeXruptInfo = NextGpeXruptInfo;
111    }
112}
113#endif /* !ACPI_REDUCED_HARDWARE */
114
115
116/*******************************************************************************
117 *
118 * FUNCTION:    AcpiUtInitGlobals
119 *
120 * PARAMETERS:  None
121 *
122 * RETURN:      Status
123 *
124 * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
125 *              initialization should be initialized here. This allows for
126 *              a warm restart.
127 *
128 ******************************************************************************/
129
130ACPI_STATUS
131AcpiUtInitGlobals (
132    void)
133{
134    ACPI_STATUS             Status;
135    UINT32                  i;
136
137
138    ACPI_FUNCTION_TRACE (UtInitGlobals);
139
140
141    /* Create all memory caches */
142
143    Status = AcpiUtCreateCaches ();
144    if (ACPI_FAILURE (Status))
145    {
146        return_ACPI_STATUS (Status);
147    }
148
149    /* Address Range lists */
150
151    for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++)
152    {
153        AcpiGbl_AddressRangeList[i] = NULL;
154    }
155
156    /* Mutex locked flags */
157
158    for (i = 0; i < ACPI_NUM_MUTEX; i++)
159    {
160        AcpiGbl_MutexInfo[i].Mutex          = NULL;
161        AcpiGbl_MutexInfo[i].ThreadId       = ACPI_MUTEX_NOT_ACQUIRED;
162        AcpiGbl_MutexInfo[i].UseCount       = 0;
163    }
164
165    for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
166    {
167        AcpiGbl_OwnerIdMask[i]              = 0;
168    }
169
170    /* Last OwnerID is never valid */
171
172    AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
173
174    /* Event counters */
175
176    AcpiMethodCount                     = 0;
177    AcpiSciCount                        = 0;
178    AcpiGpeCount                        = 0;
179
180    for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
181    {
182        AcpiFixedEventCount[i]              = 0;
183    }
184
185#if (!ACPI_REDUCED_HARDWARE)
186
187    /* GPE/SCI support */
188
189    AcpiGbl_AllGpesInitialized          = FALSE;
190    AcpiGbl_GpeXruptListHead            = NULL;
191    AcpiGbl_GpeFadtBlocks[0]            = NULL;
192    AcpiGbl_GpeFadtBlocks[1]            = NULL;
193    AcpiCurrentGpeCount                 = 0;
194
195    AcpiGbl_GlobalEventHandler          = NULL;
196    AcpiGbl_SciHandlerList              = NULL;
197
198#endif /* !ACPI_REDUCED_HARDWARE */
199
200    /* Global handlers */
201
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;
208
209    /* Global Lock support */
210
211    AcpiGbl_GlobalLockSemaphore         = NULL;
212    AcpiGbl_GlobalLockMutex             = NULL;
213    AcpiGbl_GlobalLockAcquired          = FALSE;
214    AcpiGbl_GlobalLockHandle            = 0;
215    AcpiGbl_GlobalLockPresent           = FALSE;
216
217    /* Miscellaneous variables */
218
219    AcpiGbl_DSDT                        = NULL;
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;
232
233    /* Hardware oriented */
234
235    AcpiGbl_EventsInitialized           = FALSE;
236    AcpiGbl_SystemAwakeAndRunning       = TRUE;
237
238    /* Namespace */
239
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;
249
250
251#ifdef ACPI_DISASSEMBLER
252    AcpiGbl_ExternalList                = NULL;
253    AcpiGbl_NumExternalMethods          = 0;
254    AcpiGbl_ResolvedExternalMethods     = 0;
255#endif
256
257#ifdef ACPI_DEBUG_OUTPUT
258    AcpiGbl_LowestStackPointer          = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
259#endif
260
261#ifdef ACPI_DBG_TRACK_ALLOCATIONS
262    AcpiGbl_DisplayFinalMemStats        = FALSE;
263    AcpiGbl_DisableMemTracking          = FALSE;
264#endif
265
266    ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = FALSE);
267
268    return_ACPI_STATUS (AE_OK);
269}
270
271
272/******************************************************************************
273 *
274 * FUNCTION:    AcpiUtTerminate
275 *
276 * PARAMETERS:  none
277 *
278 * RETURN:      none
279 *
280 * DESCRIPTION: Free global memory
281 *
282 ******************************************************************************/
283
284static void
285AcpiUtTerminate (
286    void)
287{
288    ACPI_FUNCTION_TRACE (UtTerminate);
289
290    AcpiUtFreeGpeLists ();
291    AcpiUtDeleteAddressLists ();
292    return_VOID;
293}
294
295
296/*******************************************************************************
297 *
298 * FUNCTION:    AcpiUtSubsystemShutdown
299 *
300 * PARAMETERS:  None
301 *
302 * RETURN:      None
303 *
304 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
305 *              objects here, because the AML debugger may be still running.
306 *
307 ******************************************************************************/
308
309void
310AcpiUtSubsystemShutdown (
311    void)
312{
313    ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
314
315
316#ifndef ACPI_ASL_COMPILER
317
318    /* Close the AcpiEvent Handling */
319
320    AcpiEvTerminate ();
321
322    /* Delete any dynamic _OSI interfaces */
323
324    AcpiUtInterfaceTerminate ();
325#endif
326
327    /* Close the Namespace */
328
329    AcpiNsTerminate ();
330
331    /* Delete the ACPI tables */
332
333    AcpiTbTerminate ();
334
335    /* Close the globals */
336
337    AcpiUtTerminate ();
338
339    /* Purge the local caches */
340
341    (void) AcpiUtDeleteCaches ();
342    return_VOID;
343}
344