ReactOS 0.4.15-dev-8191-gbc6c731
utxfinit.c
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1/******************************************************************************
2 *
3 * Module Name: utxfinit - External interfaces for ACPICA initialization
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2022, 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 MERCHANTABILITY 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#define EXPORT_ACPI_INTERFACES
45
46#include "acpi.h"
47#include "accommon.h"
48#include "acevents.h"
49#include "acnamesp.h"
50#include "acdebug.h"
51#include "actables.h"
52
53#define _COMPONENT ACPI_UTILITIES
54 ACPI_MODULE_NAME ("utxfinit")
55
56/* For AcpiExec only */
57void
59 void);
60
61
62/*******************************************************************************
63 *
64 * FUNCTION: AcpiInitializeSubsystem
65 *
66 * PARAMETERS: None
67 *
68 * RETURN: Status
69 *
70 * DESCRIPTION: Initializes all global variables. This is the first function
71 * called, so any early initialization belongs here.
72 *
73 ******************************************************************************/
74
77 void)
78{
80
81
83
84
85 AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
87
88 /* Initialize the OS-Dependent layer */
89
91 if (ACPI_FAILURE (Status))
92 {
93 ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
95 }
96
97 /* Initialize all globals used by the subsystem */
98
100 if (ACPI_FAILURE (Status))
101 {
102 ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
104 }
105
106 /* Create the default mutex objects */
107
109 if (ACPI_FAILURE (Status))
110 {
111 ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
113 }
114
115 /*
116 * Initialize the namespace manager and
117 * the root of the namespace tree
118 */
120 if (ACPI_FAILURE (Status))
121 {
122 ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
124 }
125
126 /* Initialize the global OSI interfaces list with the static names */
127
129 if (ACPI_FAILURE (Status))
130 {
131 ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization"));
133 }
134
136}
137
139
140
141/*******************************************************************************
142 *
143 * FUNCTION: AcpiEnableSubsystem
144 *
145 * PARAMETERS: Flags - Init/enable Options
146 *
147 * RETURN: Status
148 *
149 * DESCRIPTION: Completes the subsystem initialization including hardware.
150 * Puts system into ACPI mode if it isn't already.
151 *
152 ******************************************************************************/
153
157{
159
160
162
163
164 /*
165 * The early initialization phase is complete. The namespace is loaded,
166 * and we can now support address spaces other than Memory, I/O, and
167 * PCI_Config.
168 */
169 AcpiGbl_EarlyInitialization = FALSE;
170
171#if (!ACPI_REDUCED_HARDWARE)
172
173 /* Enable ACPI mode */
174
175 if (!(Flags & ACPI_NO_ACPI_ENABLE))
176 {
177 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
178
179 AcpiGbl_OriginalMode = AcpiHwGetMode();
180
181 Status = AcpiEnable ();
182 if (ACPI_FAILURE (Status))
183 {
184 ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
186 }
187 }
188
189 /*
190 * Obtain a permanent mapping for the FACS. This is required for the
191 * Global Lock and the Firmware Waking Vector
192 */
193 if (!(Flags & ACPI_NO_FACS_INIT))
194 {
196 if (ACPI_FAILURE (Status))
197 {
198 ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
200 }
201 }
202
203 /*
204 * Initialize ACPI Event handling (Fixed and General Purpose)
205 *
206 * Note1: We must have the hardware and events initialized before we can
207 * execute any control methods safely. Any control method can require
208 * ACPI hardware support, so the hardware must be fully initialized before
209 * any method execution!
210 *
211 * Note2: Fixed events are initialized and enabled here. GPEs are
212 * initialized, but cannot be enabled until after the hardware is
213 * completely initialized (SCI and GlobalLock activated) and the various
214 * initialization control methods are run (_REG, _STA, _INI) on the
215 * entire namespace.
216 */
217 if (!(Flags & ACPI_NO_EVENT_INIT))
218 {
220 "[Init] Initializing ACPI events\n"));
221
223 if (ACPI_FAILURE (Status))
224 {
226 }
227 }
228
229 /*
230 * Install the SCI handler and Global Lock handler. This completes the
231 * hardware initialization.
232 */
234 {
236 "[Init] Installing SCI/GL handlers\n"));
237
239 if (ACPI_FAILURE (Status))
240 {
242 }
243 }
244
245#endif /* !ACPI_REDUCED_HARDWARE */
246
248}
249
251
252
253/*******************************************************************************
254 *
255 * FUNCTION: AcpiInitializeObjects
256 *
257 * PARAMETERS: Flags - Init/enable Options
258 *
259 * RETURN: Status
260 *
261 * DESCRIPTION: Completes namespace initialization by initializing device
262 * objects and executing AML code for Regions, buffers, etc.
263 *
264 ******************************************************************************/
265
269{
271
272
274
275
276#ifdef ACPI_OBSOLETE_BEHAVIOR
277 /*
278 * 05/2019: Removed, initialization now happens at both object
279 * creation and table load time
280 */
281
282 /*
283 * Initialize the objects that remain uninitialized. This
284 * runs the executable AML that may be part of the
285 * declaration of these objects: OperationRegions, BufferFields,
286 * BankFields, Buffers, and Packages.
287 */
288 if (!(Flags & ACPI_NO_OBJECT_INIT))
289 {
291 if (ACPI_FAILURE (Status))
292 {
294 }
295 }
296#endif
297
298 /*
299 * Initialize all device/region objects in the namespace. This runs
300 * the device _STA and _INI methods and region _REG methods.
301 */
303 {
305 if (ACPI_FAILURE (Status))
306 {
308 }
309 }
310
311 /*
312 * Empty the caches (delete the cached objects) on the assumption that
313 * the table load filled them up more than they will be at runtime --
314 * thus wasting non-paged memory.
315 */
317
318 AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
320}
321
unsigned int UINT32
#define ACPI_INIT_FUNCTION
Definition: acenv.h:410
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
#define AE_OK
Definition: acexcep.h:97
ACPI_STATUS AcpiNsRootInitialize(void)
Definition: nsaccess.c:73
ACPI_STATUS AcpiNsInitializeDevices(UINT32 Flags)
Definition: nsinit.c:157
ACPI_STATUS AcpiNsInitializeObjects(void)
Definition: nsinit.c:92
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
#define ACPI_DEBUG_EXEC(a)
Definition: acoutput.h:477
#define ACPI_EXCEPTION(plist)
Definition: acoutput.h:239
#define ACPI_MODULE_NAME(Name)
Definition: acoutput.h:216
#define ACPI_WARNING(plist)
Definition: acoutput.h:238
#define ACPI_DB_EXEC
Definition: acoutput.h:165
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define AE_INFO
Definition: acoutput.h:230
ACPI_STATUS AcpiOsInitialize(void)
Definition: osl.c:21
ACPI_STATUS AcpiTbInitializeFacs(void)
Definition: tbutils.c:75
#define ACPI_NO_EVENT_INIT
Definition: actypes.h:607
#define ACPI_NO_OBJECT_INIT
Definition: actypes.h:609
#define ACPI_NO_ADDRESS_SPACE_INIT
Definition: actypes.h:611
#define ACPI_NO_ACPI_ENABLE
Definition: actypes.h:605
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_NO_DEVICE_INIT
Definition: actypes.h:610
#define ACPI_SUBSYSTEM_INITIALIZE
Definition: actypes.h:616
#define ACPI_NO_FACS_INIT
Definition: actypes.h:604
#define ACPI_INITIALIZED_OK
Definition: actypes.h:617
#define ACPI_EXPORT_SYMBOL_INIT(Symbol)
Definition: actypes.h:339
#define ACPI_NO_HANDLER_INIT
Definition: actypes.h:608
ACPI_STATUS AcpiUtInitializeInterfaces(void)
Definition: utosi.c:150
ACPI_STATUS AcpiUtMutexInitialize(void)
Definition: utmutex.c:75
void AcpiUtInitStackPtrTrace(void)
ACPI_STATUS AcpiUtInitGlobals(void)
Definition: utinit.c:131
#define FALSE
Definition: types.h:117
UINT32 AcpiHwGetMode(void)
Definition: hwacpi.c:179
ACPI_STATUS AcpiEvInitializeEvents(void)
Definition: evevent.c:77
ACPI_STATUS AcpiEvInstallXruptHandlers(void)
Definition: evevent.c:131
ACPI_STATUS AcpiEnable(void)
Definition: evxfevnt.c:68
Status
Definition: gdiplustypes.h:25
ACPI_STATUS AcpiPurgeCachedObjects(void)
Definition: utxface.c:302
ACPI_STATUS ACPI_INIT_FUNCTION AcpiInitializeSubsystem(void)
Definition: utxfinit.c:76
ACPI_STATUS ACPI_INIT_FUNCTION AcpiEnableSubsystem(UINT32 Flags)
Definition: utxfinit.c:155
void AeDoObjectOverrides(void)
ACPI_STATUS ACPI_INIT_FUNCTION AcpiInitializeObjects(UINT32 Flags)
Definition: utxfinit.c:267
_Must_inspect_result_ _In_ ULONG Flags
Definition: wsk.h:170