1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: utxfinit - External interfaces for ACPICA initialization
4bc36eafdSMike Gerdts *
5bc36eafdSMike Gerdts *****************************************************************************/
6bc36eafdSMike Gerdts
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12bc36eafdSMike Gerdts * All rights reserved.
13bc36eafdSMike Gerdts *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
119bc36eafdSMike Gerdts * Redistribution and use in source and binary forms, with or without
120bc36eafdSMike Gerdts * modification, are permitted provided that the following conditions
121bc36eafdSMike Gerdts * are met:
122bc36eafdSMike Gerdts * 1. Redistributions of source code must retain the above copyright
123bc36eafdSMike Gerdts * notice, this list of conditions, and the following disclaimer,
124bc36eafdSMike Gerdts * without modification.
125bc36eafdSMike Gerdts * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126bc36eafdSMike Gerdts * substantially similar to the "NO WARRANTY" disclaimer below
127bc36eafdSMike Gerdts * ("Disclaimer") and any redistribution must be conditioned upon
128bc36eafdSMike Gerdts * including a substantially similar Disclaimer requirement for further
129bc36eafdSMike Gerdts * binary redistribution.
130bc36eafdSMike Gerdts * 3. Neither the names of the above-listed copyright holders nor the names
131bc36eafdSMike Gerdts * of any contributors may be used to endorse or promote products derived
132bc36eafdSMike Gerdts * from this software without specific prior written permission.
133bc36eafdSMike Gerdts *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147bc36eafdSMike Gerdts * GNU General Public License ("GPL") version 2 as published by the Free
148bc36eafdSMike Gerdts * Software Foundation.
149bc36eafdSMike Gerdts *
150*35786f68SRobert Mustacchi *****************************************************************************/
151bc36eafdSMike Gerdts
152bc36eafdSMike Gerdts #define EXPORT_ACPI_INTERFACES
153bc36eafdSMike Gerdts
154bc36eafdSMike Gerdts #include "acpi.h"
155bc36eafdSMike Gerdts #include "accommon.h"
156bc36eafdSMike Gerdts #include "acevents.h"
157bc36eafdSMike Gerdts #include "acnamesp.h"
158bc36eafdSMike Gerdts #include "acdebug.h"
159bc36eafdSMike Gerdts #include "actables.h"
160bc36eafdSMike Gerdts
161bc36eafdSMike Gerdts #define _COMPONENT ACPI_UTILITIES
162bc36eafdSMike Gerdts ACPI_MODULE_NAME ("utxfinit")
163bc36eafdSMike Gerdts
164bc36eafdSMike Gerdts /* For AcpiExec only */
165bc36eafdSMike Gerdts void
166bc36eafdSMike Gerdts AeDoObjectOverrides (
167bc36eafdSMike Gerdts void);
168bc36eafdSMike Gerdts
169bc36eafdSMike Gerdts
170bc36eafdSMike Gerdts /*******************************************************************************
171bc36eafdSMike Gerdts *
172bc36eafdSMike Gerdts * FUNCTION: AcpiInitializeSubsystem
173bc36eafdSMike Gerdts *
174bc36eafdSMike Gerdts * PARAMETERS: None
175bc36eafdSMike Gerdts *
176bc36eafdSMike Gerdts * RETURN: Status
177bc36eafdSMike Gerdts *
178bc36eafdSMike Gerdts * DESCRIPTION: Initializes all global variables. This is the first function
179bc36eafdSMike Gerdts * called, so any early initialization belongs here.
180bc36eafdSMike Gerdts *
181bc36eafdSMike Gerdts ******************************************************************************/
182bc36eafdSMike Gerdts
183*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
AcpiInitializeSubsystem(void)184bc36eafdSMike Gerdts AcpiInitializeSubsystem (
185bc36eafdSMike Gerdts void)
186bc36eafdSMike Gerdts {
187bc36eafdSMike Gerdts ACPI_STATUS Status;
188bc36eafdSMike Gerdts
189bc36eafdSMike Gerdts
190bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem);
191bc36eafdSMike Gerdts
192bc36eafdSMike Gerdts
193bc36eafdSMike Gerdts AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
194bc36eafdSMike Gerdts ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
195bc36eafdSMike Gerdts
196bc36eafdSMike Gerdts /* Initialize the OS-Dependent layer */
197bc36eafdSMike Gerdts
198bc36eafdSMike Gerdts Status = AcpiOsInitialize ();
199bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
200bc36eafdSMike Gerdts {
201bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
202bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
203bc36eafdSMike Gerdts }
204bc36eafdSMike Gerdts
205bc36eafdSMike Gerdts /* Initialize all globals used by the subsystem */
206bc36eafdSMike Gerdts
207bc36eafdSMike Gerdts Status = AcpiUtInitGlobals ();
208bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
209bc36eafdSMike Gerdts {
210bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
211bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
212bc36eafdSMike Gerdts }
213bc36eafdSMike Gerdts
214bc36eafdSMike Gerdts /* Create the default mutex objects */
215bc36eafdSMike Gerdts
216bc36eafdSMike Gerdts Status = AcpiUtMutexInitialize ();
217bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
218bc36eafdSMike Gerdts {
219bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
220bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
221bc36eafdSMike Gerdts }
222bc36eafdSMike Gerdts
223bc36eafdSMike Gerdts /*
224bc36eafdSMike Gerdts * Initialize the namespace manager and
225bc36eafdSMike Gerdts * the root of the namespace tree
226bc36eafdSMike Gerdts */
227bc36eafdSMike Gerdts Status = AcpiNsRootInitialize ();
228bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
229bc36eafdSMike Gerdts {
230bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
231bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
232bc36eafdSMike Gerdts }
233bc36eafdSMike Gerdts
234bc36eafdSMike Gerdts /* Initialize the global OSI interfaces list with the static names */
235bc36eafdSMike Gerdts
236bc36eafdSMike Gerdts Status = AcpiUtInitializeInterfaces ();
237bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
238bc36eafdSMike Gerdts {
239bc36eafdSMike Gerdts ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization"));
240bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
241bc36eafdSMike Gerdts }
242bc36eafdSMike Gerdts
243bc36eafdSMike Gerdts return_ACPI_STATUS (AE_OK);
244bc36eafdSMike Gerdts }
245bc36eafdSMike Gerdts
ACPI_EXPORT_SYMBOL_INIT(AcpiInitializeSubsystem)246bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeSubsystem)
247bc36eafdSMike Gerdts
248bc36eafdSMike Gerdts
249bc36eafdSMike Gerdts /*******************************************************************************
250bc36eafdSMike Gerdts *
251bc36eafdSMike Gerdts * FUNCTION: AcpiEnableSubsystem
252bc36eafdSMike Gerdts *
253bc36eafdSMike Gerdts * PARAMETERS: Flags - Init/enable Options
254bc36eafdSMike Gerdts *
255bc36eafdSMike Gerdts * RETURN: Status
256bc36eafdSMike Gerdts *
257bc36eafdSMike Gerdts * DESCRIPTION: Completes the subsystem initialization including hardware.
258bc36eafdSMike Gerdts * Puts system into ACPI mode if it isn't already.
259bc36eafdSMike Gerdts *
260bc36eafdSMike Gerdts ******************************************************************************/
261bc36eafdSMike Gerdts
262*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
263bc36eafdSMike Gerdts AcpiEnableSubsystem (
264bc36eafdSMike Gerdts UINT32 Flags)
265bc36eafdSMike Gerdts {
266bc36eafdSMike Gerdts ACPI_STATUS Status = AE_OK;
267bc36eafdSMike Gerdts
268bc36eafdSMike Gerdts
269bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
270bc36eafdSMike Gerdts
271bc36eafdSMike Gerdts
272bc36eafdSMike Gerdts /*
273bc36eafdSMike Gerdts * The early initialization phase is complete. The namespace is loaded,
274bc36eafdSMike Gerdts * and we can now support address spaces other than Memory, I/O, and
275bc36eafdSMike Gerdts * PCI_Config.
276bc36eafdSMike Gerdts */
277bc36eafdSMike Gerdts AcpiGbl_EarlyInitialization = FALSE;
278bc36eafdSMike Gerdts
279bc36eafdSMike Gerdts #if (!ACPI_REDUCED_HARDWARE)
280bc36eafdSMike Gerdts
281bc36eafdSMike Gerdts /* Enable ACPI mode */
282bc36eafdSMike Gerdts
283bc36eafdSMike Gerdts if (!(Flags & ACPI_NO_ACPI_ENABLE))
284bc36eafdSMike Gerdts {
285bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
286bc36eafdSMike Gerdts
287bc36eafdSMike Gerdts AcpiGbl_OriginalMode = AcpiHwGetMode();
288bc36eafdSMike Gerdts
289bc36eafdSMike Gerdts Status = AcpiEnable ();
290bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
291bc36eafdSMike Gerdts {
292bc36eafdSMike Gerdts ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
293bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
294bc36eafdSMike Gerdts }
295bc36eafdSMike Gerdts }
296bc36eafdSMike Gerdts
297bc36eafdSMike Gerdts /*
298bc36eafdSMike Gerdts * Obtain a permanent mapping for the FACS. This is required for the
299bc36eafdSMike Gerdts * Global Lock and the Firmware Waking Vector
300bc36eafdSMike Gerdts */
301bc36eafdSMike Gerdts if (!(Flags & ACPI_NO_FACS_INIT))
302bc36eafdSMike Gerdts {
303bc36eafdSMike Gerdts Status = AcpiTbInitializeFacs ();
304bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
305bc36eafdSMike Gerdts {
306bc36eafdSMike Gerdts ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
307bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
308bc36eafdSMike Gerdts }
309bc36eafdSMike Gerdts }
310bc36eafdSMike Gerdts
311bc36eafdSMike Gerdts /*
312bc36eafdSMike Gerdts * Initialize ACPI Event handling (Fixed and General Purpose)
313bc36eafdSMike Gerdts *
314bc36eafdSMike Gerdts * Note1: We must have the hardware and events initialized before we can
315bc36eafdSMike Gerdts * execute any control methods safely. Any control method can require
316bc36eafdSMike Gerdts * ACPI hardware support, so the hardware must be fully initialized before
317bc36eafdSMike Gerdts * any method execution!
318bc36eafdSMike Gerdts *
319bc36eafdSMike Gerdts * Note2: Fixed events are initialized and enabled here. GPEs are
320bc36eafdSMike Gerdts * initialized, but cannot be enabled until after the hardware is
321bc36eafdSMike Gerdts * completely initialized (SCI and GlobalLock activated) and the various
322bc36eafdSMike Gerdts * initialization control methods are run (_REG, _STA, _INI) on the
323bc36eafdSMike Gerdts * entire namespace.
324bc36eafdSMike Gerdts */
325bc36eafdSMike Gerdts if (!(Flags & ACPI_NO_EVENT_INIT))
326bc36eafdSMike Gerdts {
327bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
328bc36eafdSMike Gerdts "[Init] Initializing ACPI events\n"));
329bc36eafdSMike Gerdts
330bc36eafdSMike Gerdts Status = AcpiEvInitializeEvents ();
331bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
332bc36eafdSMike Gerdts {
333bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
334bc36eafdSMike Gerdts }
335bc36eafdSMike Gerdts }
336bc36eafdSMike Gerdts
337bc36eafdSMike Gerdts /*
338bc36eafdSMike Gerdts * Install the SCI handler and Global Lock handler. This completes the
339bc36eafdSMike Gerdts * hardware initialization.
340bc36eafdSMike Gerdts */
341bc36eafdSMike Gerdts if (!(Flags & ACPI_NO_HANDLER_INIT))
342bc36eafdSMike Gerdts {
343bc36eafdSMike Gerdts ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
344bc36eafdSMike Gerdts "[Init] Installing SCI/GL handlers\n"));
345bc36eafdSMike Gerdts
346bc36eafdSMike Gerdts Status = AcpiEvInstallXruptHandlers ();
347bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
348bc36eafdSMike Gerdts {
349bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
350bc36eafdSMike Gerdts }
351bc36eafdSMike Gerdts }
352bc36eafdSMike Gerdts
353bc36eafdSMike Gerdts #endif /* !ACPI_REDUCED_HARDWARE */
354bc36eafdSMike Gerdts
355bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
356bc36eafdSMike Gerdts }
357bc36eafdSMike Gerdts
ACPI_EXPORT_SYMBOL_INIT(AcpiEnableSubsystem)358bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL_INIT (AcpiEnableSubsystem)
359bc36eafdSMike Gerdts
360bc36eafdSMike Gerdts
361bc36eafdSMike Gerdts /*******************************************************************************
362bc36eafdSMike Gerdts *
363bc36eafdSMike Gerdts * FUNCTION: AcpiInitializeObjects
364bc36eafdSMike Gerdts *
365bc36eafdSMike Gerdts * PARAMETERS: Flags - Init/enable Options
366bc36eafdSMike Gerdts *
367bc36eafdSMike Gerdts * RETURN: Status
368bc36eafdSMike Gerdts *
369bc36eafdSMike Gerdts * DESCRIPTION: Completes namespace initialization by initializing device
370bc36eafdSMike Gerdts * objects and executing AML code for Regions, buffers, etc.
371bc36eafdSMike Gerdts *
372bc36eafdSMike Gerdts ******************************************************************************/
373bc36eafdSMike Gerdts
374*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
375bc36eafdSMike Gerdts AcpiInitializeObjects (
376bc36eafdSMike Gerdts UINT32 Flags)
377bc36eafdSMike Gerdts {
378bc36eafdSMike Gerdts ACPI_STATUS Status = AE_OK;
379bc36eafdSMike Gerdts
380bc36eafdSMike Gerdts
381bc36eafdSMike Gerdts ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
382bc36eafdSMike Gerdts
383bc36eafdSMike Gerdts
384bc36eafdSMike Gerdts /*
385*35786f68SRobert Mustacchi * This case handles the legacy option that groups all module-level
386*35786f68SRobert Mustacchi * code blocks together and defers execution until all of the tables
387*35786f68SRobert Mustacchi * are loaded. Execute all of these blocks at this time.
388*35786f68SRobert Mustacchi * Execute any module-level code that was detected during the table
389*35786f68SRobert Mustacchi * load phase.
390bc36eafdSMike Gerdts *
391*35786f68SRobert Mustacchi * Note: this option is deprecated and will be eliminated in the
392*35786f68SRobert Mustacchi * future. Use of this option can cause problems with AML code that
393*35786f68SRobert Mustacchi * depends upon in-order immediate execution of module-level code.
394bc36eafdSMike Gerdts */
395bc36eafdSMike Gerdts AcpiNsExecModuleCodeList ();
396bc36eafdSMike Gerdts
397bc36eafdSMike Gerdts /*
398bc36eafdSMike Gerdts * Initialize the objects that remain uninitialized. This
399bc36eafdSMike Gerdts * runs the executable AML that may be part of the
400bc36eafdSMike Gerdts * declaration of these objects:
401bc36eafdSMike Gerdts * OperationRegions, BufferFields, Buffers, and Packages.
402bc36eafdSMike Gerdts */
403bc36eafdSMike Gerdts if (!(Flags & ACPI_NO_OBJECT_INIT))
404bc36eafdSMike Gerdts {
405bc36eafdSMike Gerdts Status = AcpiNsInitializeObjects ();
406bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
407bc36eafdSMike Gerdts {
408bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
409bc36eafdSMike Gerdts }
410bc36eafdSMike Gerdts }
411bc36eafdSMike Gerdts
412bc36eafdSMike Gerdts /*
413bc36eafdSMike Gerdts * Initialize all device/region objects in the namespace. This runs
414bc36eafdSMike Gerdts * the device _STA and _INI methods and region _REG methods.
415bc36eafdSMike Gerdts */
416bc36eafdSMike Gerdts if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT)))
417bc36eafdSMike Gerdts {
418bc36eafdSMike Gerdts Status = AcpiNsInitializeDevices (Flags);
419bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
420bc36eafdSMike Gerdts {
421bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
422bc36eafdSMike Gerdts }
423bc36eafdSMike Gerdts }
424bc36eafdSMike Gerdts
425bc36eafdSMike Gerdts /*
426bc36eafdSMike Gerdts * Empty the caches (delete the cached objects) on the assumption that
427bc36eafdSMike Gerdts * the table load filled them up more than they will be at runtime --
428bc36eafdSMike Gerdts * thus wasting non-paged memory.
429bc36eafdSMike Gerdts */
430bc36eafdSMike Gerdts Status = AcpiPurgeCachedObjects ();
431bc36eafdSMike Gerdts
432bc36eafdSMike Gerdts AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
433bc36eafdSMike Gerdts return_ACPI_STATUS (Status);
434bc36eafdSMike Gerdts }
435bc36eafdSMike Gerdts
436bc36eafdSMike Gerdts ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeObjects)
437