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utinit.c revision 1.1.1.3 
      1 /******************************************************************************
      2  *
      3  * Module Name: utinit - Common ACPI subsystem initialization
      4  *
      5  *****************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2013, 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 
     45 #define __UTINIT_C__
     46 
     47 #include "acpi.h"
     48 #include "accommon.h"
     49 #include "acnamesp.h"
     50 #include "acevents.h"
     51 #include "actables.h"
     52 
     53 #define _COMPONENT          ACPI_UTILITIES
     54         ACPI_MODULE_NAME    ("utinit")
     55 
     56 /* Local prototypes */
     57 
     58 static void AcpiUtTerminate (
     59     void);
     60 
     61 #if (!ACPI_REDUCED_HARDWARE)
     62 
     63 static void
     64 AcpiUtFreeGpeLists (
     65     void);
     66 
     67 #else
     68 
     69 #define AcpiUtFreeGpeLists()
     70 #endif /* !ACPI_REDUCED_HARDWARE */
     71 
     72 
     73 #if (!ACPI_REDUCED_HARDWARE)
     74 /******************************************************************************
     75  *
     76  * FUNCTION:    AcpiUtFreeGpeLists
     77  *
     78  * PARAMETERS:  none
     79  *
     80  * RETURN:      none
     81  *
     82  * DESCRIPTION: Free global GPE lists
     83  *
     84  ******************************************************************************/
     85 
     86 static void
     87 AcpiUtFreeGpeLists (
     88     void)
     89 {
     90     ACPI_GPE_BLOCK_INFO     *GpeBlock;
     91     ACPI_GPE_BLOCK_INFO     *NextGpeBlock;
     92     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
     93     ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
     94 
     95 
     96     /* Free global GPE blocks and related info structures */
     97 
     98     GpeXruptInfo = AcpiGbl_GpeXruptListHead;
     99     while (GpeXruptInfo)
    100     {
    101         GpeBlock = GpeXruptInfo->GpeBlockListHead;
    102         while (GpeBlock)
    103         {
    104             NextGpeBlock = GpeBlock->Next;
    105             ACPI_FREE (GpeBlock->EventInfo);
    106             ACPI_FREE (GpeBlock->RegisterInfo);
    107             ACPI_FREE (GpeBlock);
    108 
    109             GpeBlock = NextGpeBlock;
    110         }
    111         NextGpeXruptInfo = GpeXruptInfo->Next;
    112         ACPI_FREE (GpeXruptInfo);
    113         GpeXruptInfo = NextGpeXruptInfo;
    114     }
    115 }
    116 #endif /* !ACPI_REDUCED_HARDWARE */
    117 
    118 
    119 /******************************************************************************
    120  *
    121  * FUNCTION:    AcpiUtTerminate
    122  *
    123  * PARAMETERS:  none
    124  *
    125  * RETURN:      none
    126  *
    127  * DESCRIPTION: Free global memory
    128  *
    129  ******************************************************************************/
    130 
    131 static void
    132 AcpiUtTerminate (
    133     void)
    134 {
    135     ACPI_FUNCTION_TRACE (UtTerminate);
    136 
    137     AcpiUtFreeGpeLists ();
    138     AcpiUtDeleteAddressLists ();
    139     return_VOID;
    140 }
    141 
    142 
    143 /*******************************************************************************
    144  *
    145  * FUNCTION:    AcpiUtSubsystemShutdown
    146  *
    147  * PARAMETERS:  None
    148  *
    149  * RETURN:      None
    150  *
    151  * DESCRIPTION: Shutdown the various components. Do not delete the mutex
    152  *              objects here, because the AML debugger may be still running.
    153  *
    154  ******************************************************************************/
    155 
    156 void
    157 AcpiUtSubsystemShutdown (
    158     void)
    159 {
    160     ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
    161 
    162 
    163 #ifndef ACPI_ASL_COMPILER
    164 
    165     /* Close the AcpiEvent Handling */
    166 
    167     AcpiEvTerminate ();
    168 
    169     /* Delete any dynamic _OSI interfaces */
    170 
    171     AcpiUtInterfaceTerminate ();
    172 #endif
    173 
    174     /* Close the Namespace */
    175 
    176     AcpiNsTerminate ();
    177 
    178     /* Delete the ACPI tables */
    179 
    180     AcpiTbTerminate ();
    181 
    182     /* Close the globals */
    183 
    184     AcpiUtTerminate ();
    185 
    186     /* Purge the local caches */
    187 
    188     (void) AcpiUtDeleteCaches ();
    189     return_VOID;
    190 }
    191