utinit.c

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/******************************************************************************
 *
 * Module Name: utinit - Common ACPI subsystem initialization
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2012, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acevents.h"
#include "actables.h"

#define _COMPONENT          ACPI_UTILITIES
ACPI_MODULE_NAME("utinit")

/* Local prototypes */
static void acpi_ut_terminate(void);

#if (!ACPI_REDUCED_HARDWARE)

static void acpi_ut_free_gpe_lists(void);

#else

#define acpi_ut_free_gpe_lists()
#endif              /* !ACPI_REDUCED_HARDWARE */

#if (!ACPI_REDUCED_HARDWARE)
/******************************************************************************
 *
 * FUNCTION:    acpi_ut_free_gpe_lists
 *
 * PARAMETERS:  none
 *
 * RETURN:      none
 *
 * DESCRIPTION: Free global GPE lists
 *
 ******************************************************************************/

static void acpi_ut_free_gpe_lists(void)
{
    struct acpi_gpe_block_info *gpe_block;
    struct acpi_gpe_block_info *next_gpe_block;
    struct acpi_gpe_xrupt_info *gpe_xrupt_info;
    struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;

    /* Free global GPE blocks and related info structures */

    gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
    while (gpe_xrupt_info) {
        gpe_block = gpe_xrupt_info->gpe_block_list_head;
        while (gpe_block) {
            next_gpe_block = gpe_block->next;
            ACPI_FREE(gpe_block->event_info);
            ACPI_FREE(gpe_block->register_info);
            ACPI_FREE(gpe_block);

            gpe_block = next_gpe_block;
        }
        next_gpe_xrupt_info = gpe_xrupt_info->next;
        ACPI_FREE(gpe_xrupt_info);
        gpe_xrupt_info = next_gpe_xrupt_info;
    }
}
#endif              /* !ACPI_REDUCED_HARDWARE */

/******************************************************************************
 *
 * FUNCTION:    acpi_ut_terminate
 *
 * PARAMETERS:  none
 *
 * RETURN:      none
 *
 * DESCRIPTION: Free global memory
 *
 ******************************************************************************/

static void acpi_ut_terminate(void)
{
    ACPI_FUNCTION_TRACE(ut_terminate);

    acpi_ut_free_gpe_lists();
    acpi_ut_delete_address_lists();
    return_VOID;
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_subsystem_shutdown
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
 *              objects here, because the AML debugger may be still running.
 *
 ******************************************************************************/

void acpi_ut_subsystem_shutdown(void)
{
    ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);

#ifndef ACPI_ASL_COMPILER

    /* Close the acpi_event Handling */

    acpi_ev_terminate();

    /* Delete any dynamic _OSI interfaces */

    acpi_ut_interface_terminate();
#endif

    /* Close the Namespace */

    acpi_ns_terminate();

    /* Delete the ACPI tables */

    acpi_tb_terminate();

    /* Close the globals */

    acpi_ut_terminate();

    /* Purge the local caches */

    (void)acpi_ut_delete_caches();
    return_VOID;
}