xref: /freebsd-src/sys/contrib/dev/acpica/components/utilities/utxfinit.c (revision 92f570c32e9b9b9b4db9b6921c4ab79be686a498)
11df130f1SJung-uk Kim /******************************************************************************
21df130f1SJung-uk Kim  *
31df130f1SJung-uk Kim  * Module Name: utxfinit - External interfaces for ACPICA initialization
41df130f1SJung-uk Kim  *
51df130f1SJung-uk Kim  *****************************************************************************/
61df130f1SJung-uk Kim 
70d84335fSJung-uk Kim /******************************************************************************
80d84335fSJung-uk Kim  *
90d84335fSJung-uk Kim  * 1. Copyright Notice
100d84335fSJung-uk Kim  *
11804fe266SJung-uk Kim  * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp.
121df130f1SJung-uk Kim  * All rights reserved.
131df130f1SJung-uk Kim  *
140d84335fSJung-uk Kim  * 2. License
150d84335fSJung-uk Kim  *
160d84335fSJung-uk Kim  * 2.1. This is your license from Intel Corp. under its intellectual property
170d84335fSJung-uk Kim  * rights. You may have additional license terms from the party that provided
180d84335fSJung-uk Kim  * you this software, covering your right to use that party's intellectual
190d84335fSJung-uk Kim  * property rights.
200d84335fSJung-uk Kim  *
210d84335fSJung-uk Kim  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
220d84335fSJung-uk Kim  * copy of the source code appearing in this file ("Covered Code") an
230d84335fSJung-uk Kim  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
240d84335fSJung-uk Kim  * base code distributed originally by Intel ("Original Intel Code") to copy,
250d84335fSJung-uk Kim  * make derivatives, distribute, use and display any portion of the Covered
260d84335fSJung-uk Kim  * Code in any form, with the right to sublicense such rights; and
270d84335fSJung-uk Kim  *
280d84335fSJung-uk Kim  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
290d84335fSJung-uk Kim  * license (with the right to sublicense), under only those claims of Intel
300d84335fSJung-uk Kim  * patents that are infringed by the Original Intel Code, to make, use, sell,
310d84335fSJung-uk Kim  * offer to sell, and import the Covered Code and derivative works thereof
320d84335fSJung-uk Kim  * solely to the minimum extent necessary to exercise the above copyright
330d84335fSJung-uk Kim  * license, and in no event shall the patent license extend to any additions
340d84335fSJung-uk Kim  * to or modifications of the Original Intel Code. No other license or right
350d84335fSJung-uk Kim  * is granted directly or by implication, estoppel or otherwise;
360d84335fSJung-uk Kim  *
370d84335fSJung-uk Kim  * The above copyright and patent license is granted only if the following
380d84335fSJung-uk Kim  * conditions are met:
390d84335fSJung-uk Kim  *
400d84335fSJung-uk Kim  * 3. Conditions
410d84335fSJung-uk Kim  *
420d84335fSJung-uk Kim  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
430d84335fSJung-uk Kim  * Redistribution of source code of any substantial portion of the Covered
440d84335fSJung-uk Kim  * Code or modification with rights to further distribute source must include
450d84335fSJung-uk Kim  * the above Copyright Notice, the above License, this list of Conditions,
460d84335fSJung-uk Kim  * and the following Disclaimer and Export Compliance provision. In addition,
470d84335fSJung-uk Kim  * Licensee must cause all Covered Code to which Licensee contributes to
480d84335fSJung-uk Kim  * contain a file documenting the changes Licensee made to create that Covered
490d84335fSJung-uk Kim  * Code and the date of any change. Licensee must include in that file the
500d84335fSJung-uk Kim  * documentation of any changes made by any predecessor Licensee. Licensee
510d84335fSJung-uk Kim  * must include a prominent statement that the modification is derived,
520d84335fSJung-uk Kim  * directly or indirectly, from Original Intel Code.
530d84335fSJung-uk Kim  *
540d84335fSJung-uk Kim  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
550d84335fSJung-uk Kim  * Redistribution of source code of any substantial portion of the Covered
560d84335fSJung-uk Kim  * Code or modification without rights to further distribute source must
570d84335fSJung-uk Kim  * include the following Disclaimer and Export Compliance provision in the
580d84335fSJung-uk Kim  * documentation and/or other materials provided with distribution. In
590d84335fSJung-uk Kim  * addition, Licensee may not authorize further sublicense of source of any
600d84335fSJung-uk Kim  * portion of the Covered Code, and must include terms to the effect that the
610d84335fSJung-uk Kim  * license from Licensee to its licensee is limited to the intellectual
620d84335fSJung-uk Kim  * property embodied in the software Licensee provides to its licensee, and
630d84335fSJung-uk Kim  * not to intellectual property embodied in modifications its licensee may
640d84335fSJung-uk Kim  * make.
650d84335fSJung-uk Kim  *
660d84335fSJung-uk Kim  * 3.3. Redistribution of Executable. Redistribution in executable form of any
670d84335fSJung-uk Kim  * substantial portion of the Covered Code or modification must reproduce the
680d84335fSJung-uk Kim  * above Copyright Notice, and the following Disclaimer and Export Compliance
690d84335fSJung-uk Kim  * provision in the documentation and/or other materials provided with the
700d84335fSJung-uk Kim  * distribution.
710d84335fSJung-uk Kim  *
720d84335fSJung-uk Kim  * 3.4. Intel retains all right, title, and interest in and to the Original
730d84335fSJung-uk Kim  * Intel Code.
740d84335fSJung-uk Kim  *
750d84335fSJung-uk Kim  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
760d84335fSJung-uk Kim  * Intel shall be used in advertising or otherwise to promote the sale, use or
770d84335fSJung-uk Kim  * other dealings in products derived from or relating to the Covered Code
780d84335fSJung-uk Kim  * without prior written authorization from Intel.
790d84335fSJung-uk Kim  *
800d84335fSJung-uk Kim  * 4. Disclaimer and Export Compliance
810d84335fSJung-uk Kim  *
820d84335fSJung-uk Kim  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
830d84335fSJung-uk Kim  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
840d84335fSJung-uk Kim  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
850d84335fSJung-uk Kim  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
860d84335fSJung-uk Kim  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
870d84335fSJung-uk Kim  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
880d84335fSJung-uk Kim  * PARTICULAR PURPOSE.
890d84335fSJung-uk Kim  *
900d84335fSJung-uk Kim  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
910d84335fSJung-uk Kim  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
920d84335fSJung-uk Kim  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
930d84335fSJung-uk Kim  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
940d84335fSJung-uk Kim  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
950d84335fSJung-uk Kim  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
960d84335fSJung-uk Kim  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
970d84335fSJung-uk Kim  * LIMITED REMEDY.
980d84335fSJung-uk Kim  *
990d84335fSJung-uk Kim  * 4.3. Licensee shall not export, either directly or indirectly, any of this
1000d84335fSJung-uk Kim  * software or system incorporating such software without first obtaining any
1010d84335fSJung-uk Kim  * required license or other approval from the U. S. Department of Commerce or
1020d84335fSJung-uk Kim  * any other agency or department of the United States Government. In the
1030d84335fSJung-uk Kim  * event Licensee exports any such software from the United States or
1040d84335fSJung-uk Kim  * re-exports any such software from a foreign destination, Licensee shall
1050d84335fSJung-uk Kim  * ensure that the distribution and export/re-export of the software is in
1060d84335fSJung-uk Kim  * compliance with all laws, regulations, orders, or other restrictions of the
1070d84335fSJung-uk Kim  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
1080d84335fSJung-uk Kim  * any of its subsidiaries will export/re-export any technical data, process,
1090d84335fSJung-uk Kim  * software, or service, directly or indirectly, to any country for which the
1100d84335fSJung-uk Kim  * United States government or any agency thereof requires an export license,
1110d84335fSJung-uk Kim  * other governmental approval, or letter of assurance, without first obtaining
1120d84335fSJung-uk Kim  * such license, approval or letter.
1130d84335fSJung-uk Kim  *
1140d84335fSJung-uk Kim  *****************************************************************************
1150d84335fSJung-uk Kim  *
1160d84335fSJung-uk Kim  * Alternatively, you may choose to be licensed under the terms of the
1170d84335fSJung-uk Kim  * following license:
1180d84335fSJung-uk Kim  *
1191df130f1SJung-uk Kim  * Redistribution and use in source and binary forms, with or without
1201df130f1SJung-uk Kim  * modification, are permitted provided that the following conditions
1211df130f1SJung-uk Kim  * are met:
1221df130f1SJung-uk Kim  * 1. Redistributions of source code must retain the above copyright
1231df130f1SJung-uk Kim  *    notice, this list of conditions, and the following disclaimer,
1241df130f1SJung-uk Kim  *    without modification.
1251df130f1SJung-uk Kim  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1261df130f1SJung-uk Kim  *    substantially similar to the "NO WARRANTY" disclaimer below
1271df130f1SJung-uk Kim  *    ("Disclaimer") and any redistribution must be conditioned upon
1281df130f1SJung-uk Kim  *    including a substantially similar Disclaimer requirement for further
1291df130f1SJung-uk Kim  *    binary redistribution.
1301df130f1SJung-uk Kim  * 3. Neither the names of the above-listed copyright holders nor the names
1311df130f1SJung-uk Kim  *    of any contributors may be used to endorse or promote products derived
1321df130f1SJung-uk Kim  *    from this software without specific prior written permission.
1331df130f1SJung-uk Kim  *
1340d84335fSJung-uk Kim  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1350d84335fSJung-uk Kim  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1360d84335fSJung-uk Kim  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1370d84335fSJung-uk Kim  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1380d84335fSJung-uk Kim  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1390d84335fSJung-uk Kim  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1400d84335fSJung-uk Kim  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1410d84335fSJung-uk Kim  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1420d84335fSJung-uk Kim  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1430d84335fSJung-uk Kim  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1440d84335fSJung-uk Kim  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1450d84335fSJung-uk Kim  *
1460d84335fSJung-uk Kim  * Alternatively, you may choose to be licensed under the terms of the
1471df130f1SJung-uk Kim  * GNU General Public License ("GPL") version 2 as published by the Free
1481df130f1SJung-uk Kim  * Software Foundation.
1491df130f1SJung-uk Kim  *
1500d84335fSJung-uk Kim  *****************************************************************************/
1511df130f1SJung-uk Kim 
152313a0c13SJung-uk Kim #define EXPORT_ACPI_INTERFACES
1531df130f1SJung-uk Kim 
1541df130f1SJung-uk Kim #include <contrib/dev/acpica/include/acpi.h>
1551df130f1SJung-uk Kim #include <contrib/dev/acpica/include/accommon.h>
1561df130f1SJung-uk Kim #include <contrib/dev/acpica/include/acevents.h>
1571df130f1SJung-uk Kim #include <contrib/dev/acpica/include/acnamesp.h>
1581df130f1SJung-uk Kim #include <contrib/dev/acpica/include/acdebug.h>
1591df130f1SJung-uk Kim #include <contrib/dev/acpica/include/actables.h>
1601df130f1SJung-uk Kim 
1611df130f1SJung-uk Kim #define _COMPONENT          ACPI_UTILITIES
1621df130f1SJung-uk Kim         ACPI_MODULE_NAME    ("utxfinit")
1631df130f1SJung-uk Kim 
1641c0e1b6dSJung-uk Kim /* For AcpiExec only */
1651c0e1b6dSJung-uk Kim void
1661c0e1b6dSJung-uk Kim AeDoObjectOverrides (
1671c0e1b6dSJung-uk Kim     void);
1681c0e1b6dSJung-uk Kim 
1691df130f1SJung-uk Kim 
1701df130f1SJung-uk Kim /*******************************************************************************
1711df130f1SJung-uk Kim  *
1721df130f1SJung-uk Kim  * FUNCTION:    AcpiInitializeSubsystem
1731df130f1SJung-uk Kim  *
1741df130f1SJung-uk Kim  * PARAMETERS:  None
1751df130f1SJung-uk Kim  *
1761df130f1SJung-uk Kim  * RETURN:      Status
1771df130f1SJung-uk Kim  *
1781df130f1SJung-uk Kim  * DESCRIPTION: Initializes all global variables. This is the first function
1791df130f1SJung-uk Kim  *              called, so any early initialization belongs here.
1801df130f1SJung-uk Kim  *
1811df130f1SJung-uk Kim  ******************************************************************************/
1821df130f1SJung-uk Kim 
183493deb39SJung-uk Kim ACPI_STATUS ACPI_INIT_FUNCTION
1841df130f1SJung-uk Kim AcpiInitializeSubsystem (
1851df130f1SJung-uk Kim     void)
1861df130f1SJung-uk Kim {
1871df130f1SJung-uk Kim     ACPI_STATUS             Status;
1881df130f1SJung-uk Kim 
1891df130f1SJung-uk Kim 
1901df130f1SJung-uk Kim     ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem);
1911df130f1SJung-uk Kim 
1921df130f1SJung-uk Kim 
1931df130f1SJung-uk Kim     AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
1941df130f1SJung-uk Kim     ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
1951df130f1SJung-uk Kim 
1961df130f1SJung-uk Kim     /* Initialize the OS-Dependent layer */
1971df130f1SJung-uk Kim 
1981df130f1SJung-uk Kim     Status = AcpiOsInitialize ();
1991df130f1SJung-uk Kim     if (ACPI_FAILURE (Status))
2001df130f1SJung-uk Kim     {
2011df130f1SJung-uk Kim         ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
2021df130f1SJung-uk Kim         return_ACPI_STATUS (Status);
2031df130f1SJung-uk Kim     }
2041df130f1SJung-uk Kim 
2051df130f1SJung-uk Kim     /* Initialize all globals used by the subsystem */
2061df130f1SJung-uk Kim 
2071df130f1SJung-uk Kim     Status = AcpiUtInitGlobals ();
2081df130f1SJung-uk Kim     if (ACPI_FAILURE (Status))
2091df130f1SJung-uk Kim     {
2101df130f1SJung-uk Kim         ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
2111df130f1SJung-uk Kim         return_ACPI_STATUS (Status);
2121df130f1SJung-uk Kim     }
2131df130f1SJung-uk Kim 
2141df130f1SJung-uk Kim     /* Create the default mutex objects */
2151df130f1SJung-uk Kim 
2161df130f1SJung-uk Kim     Status = AcpiUtMutexInitialize ();
2171df130f1SJung-uk Kim     if (ACPI_FAILURE (Status))
2181df130f1SJung-uk Kim     {
2191df130f1SJung-uk Kim         ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
2201df130f1SJung-uk Kim         return_ACPI_STATUS (Status);
2211df130f1SJung-uk Kim     }
2221df130f1SJung-uk Kim 
2231df130f1SJung-uk Kim     /*
2241df130f1SJung-uk Kim      * Initialize the namespace manager and
2251df130f1SJung-uk Kim      * the root of the namespace tree
2261df130f1SJung-uk Kim      */
2271df130f1SJung-uk Kim     Status = AcpiNsRootInitialize ();
2281df130f1SJung-uk Kim     if (ACPI_FAILURE (Status))
2291df130f1SJung-uk Kim     {
2301df130f1SJung-uk Kim         ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
2311df130f1SJung-uk Kim         return_ACPI_STATUS (Status);
2321df130f1SJung-uk Kim     }
2331df130f1SJung-uk Kim 
2341df130f1SJung-uk Kim     /* Initialize the global OSI interfaces list with the static names */
2351df130f1SJung-uk Kim 
2361df130f1SJung-uk Kim     Status = AcpiUtInitializeInterfaces ();
2371df130f1SJung-uk Kim     if (ACPI_FAILURE (Status))
2381df130f1SJung-uk Kim     {
2391df130f1SJung-uk Kim         ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization"));
2401df130f1SJung-uk Kim         return_ACPI_STATUS (Status);
2411df130f1SJung-uk Kim     }
2421df130f1SJung-uk Kim 
243313a0c13SJung-uk Kim     return_ACPI_STATUS (AE_OK);
244313a0c13SJung-uk Kim }
245313a0c13SJung-uk Kim 
246313a0c13SJung-uk Kim ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeSubsystem)
2471df130f1SJung-uk Kim 
2481df130f1SJung-uk Kim 
2491df130f1SJung-uk Kim /*******************************************************************************
2501df130f1SJung-uk Kim  *
2511df130f1SJung-uk Kim  * FUNCTION:    AcpiEnableSubsystem
2521df130f1SJung-uk Kim  *
2531df130f1SJung-uk Kim  * PARAMETERS:  Flags               - Init/enable Options
2541df130f1SJung-uk Kim  *
2551df130f1SJung-uk Kim  * RETURN:      Status
2561df130f1SJung-uk Kim  *
2571df130f1SJung-uk Kim  * DESCRIPTION: Completes the subsystem initialization including hardware.
2581df130f1SJung-uk Kim  *              Puts system into ACPI mode if it isn't already.
2591df130f1SJung-uk Kim  *
2601df130f1SJung-uk Kim  ******************************************************************************/
2611df130f1SJung-uk Kim 
262493deb39SJung-uk Kim ACPI_STATUS ACPI_INIT_FUNCTION
2631df130f1SJung-uk Kim AcpiEnableSubsystem (
2641df130f1SJung-uk Kim     UINT32                  Flags)
2651df130f1SJung-uk Kim {
2661df130f1SJung-uk Kim     ACPI_STATUS             Status = AE_OK;
2671df130f1SJung-uk Kim 
2681df130f1SJung-uk Kim 
2691df130f1SJung-uk Kim     ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
2701df130f1SJung-uk Kim 
2711df130f1SJung-uk Kim 
272f8146b88SJung-uk Kim     /*
273f8146b88SJung-uk Kim      * The early initialization phase is complete. The namespace is loaded,
274f8146b88SJung-uk Kim      * and we can now support address spaces other than Memory, I/O, and
275f8146b88SJung-uk Kim      * PCI_Config.
276f8146b88SJung-uk Kim      */
277f8146b88SJung-uk Kim     AcpiGbl_EarlyInitialization = FALSE;
278f8146b88SJung-uk Kim 
279*92f570c3SJung-uk Kim     /*
280*92f570c3SJung-uk Kim      * Obtain a permanent mapping for the FACS. This is required for the
281*92f570c3SJung-uk Kim      * Global Lock and the Firmware Waking Vector
282*92f570c3SJung-uk Kim      */
283*92f570c3SJung-uk Kim     if (!(Flags & ACPI_NO_FACS_INIT))
284*92f570c3SJung-uk Kim     {
285*92f570c3SJung-uk Kim         Status = AcpiTbInitializeFacs ();
286*92f570c3SJung-uk Kim         if (ACPI_FAILURE (Status))
287*92f570c3SJung-uk Kim         {
288*92f570c3SJung-uk Kim             ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
289*92f570c3SJung-uk Kim             return_ACPI_STATUS (Status);
290*92f570c3SJung-uk Kim         }
291*92f570c3SJung-uk Kim     }
292*92f570c3SJung-uk Kim 
2931df130f1SJung-uk Kim #if (!ACPI_REDUCED_HARDWARE)
2941df130f1SJung-uk Kim 
2951df130f1SJung-uk Kim     /* Enable ACPI mode */
2961df130f1SJung-uk Kim 
2971df130f1SJung-uk Kim     if (!(Flags & ACPI_NO_ACPI_ENABLE))
2981df130f1SJung-uk Kim     {
2991df130f1SJung-uk Kim         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
3001df130f1SJung-uk Kim 
3011df130f1SJung-uk Kim         AcpiGbl_OriginalMode = AcpiHwGetMode();
3021df130f1SJung-uk Kim 
3031df130f1SJung-uk Kim         Status = AcpiEnable ();
3041df130f1SJung-uk Kim         if (ACPI_FAILURE (Status))
3051df130f1SJung-uk Kim         {
3061df130f1SJung-uk Kim             ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
3071df130f1SJung-uk Kim             return_ACPI_STATUS (Status);
3081df130f1SJung-uk Kim         }
3091df130f1SJung-uk Kim     }
3101df130f1SJung-uk Kim 
3111df130f1SJung-uk Kim     /*
3121df130f1SJung-uk Kim      * Initialize ACPI Event handling (Fixed and General Purpose)
3131df130f1SJung-uk Kim      *
3141df130f1SJung-uk Kim      * Note1: We must have the hardware and events initialized before we can
3151df130f1SJung-uk Kim      * execute any control methods safely. Any control method can require
3161df130f1SJung-uk Kim      * ACPI hardware support, so the hardware must be fully initialized before
3171df130f1SJung-uk Kim      * any method execution!
3181df130f1SJung-uk Kim      *
3191df130f1SJung-uk Kim      * Note2: Fixed events are initialized and enabled here. GPEs are
3201df130f1SJung-uk Kim      * initialized, but cannot be enabled until after the hardware is
3211df130f1SJung-uk Kim      * completely initialized (SCI and GlobalLock activated) and the various
3221df130f1SJung-uk Kim      * initialization control methods are run (_REG, _STA, _INI) on the
3231df130f1SJung-uk Kim      * entire namespace.
3241df130f1SJung-uk Kim      */
3251df130f1SJung-uk Kim     if (!(Flags & ACPI_NO_EVENT_INIT))
3261df130f1SJung-uk Kim     {
3271df130f1SJung-uk Kim         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3281df130f1SJung-uk Kim             "[Init] Initializing ACPI events\n"));
3291df130f1SJung-uk Kim 
3301df130f1SJung-uk Kim         Status = AcpiEvInitializeEvents ();
3311df130f1SJung-uk Kim         if (ACPI_FAILURE (Status))
3321df130f1SJung-uk Kim         {
3331df130f1SJung-uk Kim             return_ACPI_STATUS (Status);
3341df130f1SJung-uk Kim         }
3351df130f1SJung-uk Kim     }
3361df130f1SJung-uk Kim 
3371df130f1SJung-uk Kim     /*
3381df130f1SJung-uk Kim      * Install the SCI handler and Global Lock handler. This completes the
3391df130f1SJung-uk Kim      * hardware initialization.
3401df130f1SJung-uk Kim      */
3411df130f1SJung-uk Kim     if (!(Flags & ACPI_NO_HANDLER_INIT))
3421df130f1SJung-uk Kim     {
3431df130f1SJung-uk Kim         ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3441df130f1SJung-uk Kim             "[Init] Installing SCI/GL handlers\n"));
3451df130f1SJung-uk Kim 
3461df130f1SJung-uk Kim         Status = AcpiEvInstallXruptHandlers ();
3471df130f1SJung-uk Kim         if (ACPI_FAILURE (Status))
3481df130f1SJung-uk Kim         {
3491df130f1SJung-uk Kim             return_ACPI_STATUS (Status);
3501df130f1SJung-uk Kim         }
3511df130f1SJung-uk Kim     }
3521df130f1SJung-uk Kim 
3531df130f1SJung-uk Kim #endif /* !ACPI_REDUCED_HARDWARE */
3541df130f1SJung-uk Kim 
3551df130f1SJung-uk Kim     return_ACPI_STATUS (Status);
3561df130f1SJung-uk Kim }
3571df130f1SJung-uk Kim 
358313a0c13SJung-uk Kim ACPI_EXPORT_SYMBOL_INIT (AcpiEnableSubsystem)
3591df130f1SJung-uk Kim 
3601df130f1SJung-uk Kim 
3611df130f1SJung-uk Kim /*******************************************************************************
3621df130f1SJung-uk Kim  *
3631df130f1SJung-uk Kim  * FUNCTION:    AcpiInitializeObjects
3641df130f1SJung-uk Kim  *
3651df130f1SJung-uk Kim  * PARAMETERS:  Flags               - Init/enable Options
3661df130f1SJung-uk Kim  *
3671df130f1SJung-uk Kim  * RETURN:      Status
3681df130f1SJung-uk Kim  *
3691df130f1SJung-uk Kim  * DESCRIPTION: Completes namespace initialization by initializing device
3701df130f1SJung-uk Kim  *              objects and executing AML code for Regions, buffers, etc.
3711df130f1SJung-uk Kim  *
3721df130f1SJung-uk Kim  ******************************************************************************/
3731df130f1SJung-uk Kim 
374493deb39SJung-uk Kim ACPI_STATUS ACPI_INIT_FUNCTION
3751df130f1SJung-uk Kim AcpiInitializeObjects (
3761df130f1SJung-uk Kim     UINT32                  Flags)
3771df130f1SJung-uk Kim {
3781df130f1SJung-uk Kim     ACPI_STATUS             Status = AE_OK;
3791df130f1SJung-uk Kim 
3801df130f1SJung-uk Kim 
3811df130f1SJung-uk Kim     ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
3821df130f1SJung-uk Kim 
3831df130f1SJung-uk Kim 
38437d7a5bcSJung-uk Kim #ifdef ACPI_OBSOLETE_BEHAVIOR
3851c0e1b6dSJung-uk Kim     /*
38637d7a5bcSJung-uk Kim      * 05/2019: Removed, initialization now happens at both object
38737d7a5bcSJung-uk Kim      * creation and table load time
3881df130f1SJung-uk Kim      */
3891df130f1SJung-uk Kim 
3901df130f1SJung-uk Kim     /*
391f8146b88SJung-uk Kim      * Initialize the objects that remain uninitialized. This
392f8146b88SJung-uk Kim      * runs the executable AML that may be part of the
39337d7a5bcSJung-uk Kim      * declaration of these objects: OperationRegions, BufferFields,
39437d7a5bcSJung-uk Kim      * BankFields, Buffers, and Packages.
3951df130f1SJung-uk Kim      */
3961df130f1SJung-uk Kim     if (!(Flags & ACPI_NO_OBJECT_INIT))
3971df130f1SJung-uk Kim     {
3981df130f1SJung-uk Kim         Status = AcpiNsInitializeObjects ();
3991df130f1SJung-uk Kim         if (ACPI_FAILURE (Status))
4001df130f1SJung-uk Kim         {
4011df130f1SJung-uk Kim             return_ACPI_STATUS (Status);
4021df130f1SJung-uk Kim         }
4031df130f1SJung-uk Kim     }
40437d7a5bcSJung-uk Kim #endif
4051df130f1SJung-uk Kim 
4061df130f1SJung-uk Kim     /*
407f8146b88SJung-uk Kim      * Initialize all device/region objects in the namespace. This runs
408f8146b88SJung-uk Kim      * the device _STA and _INI methods and region _REG methods.
4091df130f1SJung-uk Kim      */
410f8146b88SJung-uk Kim     if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT)))
4111df130f1SJung-uk Kim     {
412f8146b88SJung-uk Kim         Status = AcpiNsInitializeDevices (Flags);
4131df130f1SJung-uk Kim         if (ACPI_FAILURE (Status))
4141df130f1SJung-uk Kim         {
4151df130f1SJung-uk Kim             return_ACPI_STATUS (Status);
4161df130f1SJung-uk Kim         }
4171df130f1SJung-uk Kim     }
4181df130f1SJung-uk Kim 
4191df130f1SJung-uk Kim     /*
4201df130f1SJung-uk Kim      * Empty the caches (delete the cached objects) on the assumption that
4211df130f1SJung-uk Kim      * the table load filled them up more than they will be at runtime --
4221df130f1SJung-uk Kim      * thus wasting non-paged memory.
4231df130f1SJung-uk Kim      */
4241df130f1SJung-uk Kim     Status = AcpiPurgeCachedObjects ();
4251df130f1SJung-uk Kim 
4261df130f1SJung-uk Kim     AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
4271df130f1SJung-uk Kim     return_ACPI_STATUS (Status);
4281df130f1SJung-uk Kim }
4291df130f1SJung-uk Kim 
430313a0c13SJung-uk Kim ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeObjects)
431