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/******************************************************************************

 *

 * Module Name: utglobal - Global variables for the ACPI subsystem

 *

 *****************************************************************************/

/*

 * Copyright (C) 2000 - 2007, R. Byron Moore

 * 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.

 */

#define DEFINE_ACPI_GLOBALS

#include <acpi/acpi.h>

#include <acpi/acnamesp.h>

ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)

#define _COMPONENT          ACPI_UTILITIES

    ACPI_MODULE_NAME("utglobal")

/*******************************************************************************

 *

 * Static global variable initialization.

 *

 ******************************************************************************/

/*

 * We want the debug switches statically initialized so they

 * are already set when the debugger is entered.

 */

/* Debug switch - level and trace mask */

u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;

/* Debug switch - layer (component) mask */

u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;

u32 acpi_gbl_nesting_level = 0;

/* Debugger globals */

u8 acpi_gbl_db_terminate_threads = FALSE;

u8 acpi_gbl_abort_method = FALSE;

u8 acpi_gbl_method_executing = FALSE;

/* System flags */

u32 acpi_gbl_startup_flags = 0;

/* System starts uninitialized */

u8 acpi_gbl_shutdown = TRUE;

const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {

        "\\_S0_",

        "\\_S1_",

        "\\_S2_",

        "\\_S3_",

        "\\_S4_",

        "\\_S5_"

};

const char *acpi_gbl_highest_dstate_names[4] = {

        "_S1D",

        "_S2D",

        "_S3D",

        "_S4D"

};

/*******************************************************************************

 *

 * FUNCTION:    acpi_format_exception

 *

 * PARAMETERS:  Status       - The acpi_status code to be formatted

 *

 * RETURN:      A string containing the exception text. A valid pointer is

 *              always returned.

 *

 * DESCRIPTION: This function translates an ACPI exception into an ASCII string

 *              It is here instead of utxface.c so it is always present.

 *

 ******************************************************************************/

const char *acpi_format_exception(acpi_status status)

{

        const char *exception = NULL;

        ACPI_FUNCTION_ENTRY();

        exception = acpi_ut_validate_exception(status);

        if (!exception) {

                /* Exception code was not recognized */

                ACPI_ERROR((AE_INFO,

                            "Unknown exception code: 0x%8.8X", status));

                exception = "UNKNOWN_STATUS_CODE";

                dump_stack();

        }

        return (ACPI_CAST_PTR(const char, exception));

}

ACPI_EXPORT_SYMBOL(acpi_format_exception)

/*******************************************************************************

 *

 * Namespace globals

 *

 ******************************************************************************/

/*

 * Predefined ACPI Names (Built-in to the Interpreter)

 *

 * NOTES:

 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run

 *    during the initialization sequence.

 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to

 *    perform a Notify() operation on it.

 */

const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {

        {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},

        {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},

        {"_SB_", ACPI_TYPE_DEVICE, NULL},

        {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},

        {"_TZ_", ACPI_TYPE_THERMAL, NULL},

        {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},

        {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},

        {"_GL_", ACPI_TYPE_MUTEX, (char *)1},

#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)

        {"_OSI", ACPI_TYPE_METHOD, (char *)1},

#endif

        /* Table terminator */

        {NULL, ACPI_TYPE_ANY, NULL}

};

/*

 * Properties of the ACPI Object Types, both internal and external.

 * The table is indexed by values of acpi_object_type

 */

const u8 acpi_gbl_ns_properties[] = {

        ACPI_NS_NORMAL,         /* 00 Any              */

        ACPI_NS_NORMAL,         /* 01 Number           */

        ACPI_NS_NORMAL,         /* 02 String           */

        ACPI_NS_NORMAL,         /* 03 Buffer           */

        ACPI_NS_NORMAL,         /* 04 Package          */

        ACPI_NS_NORMAL,         /* 05 field_unit       */

        ACPI_NS_NEWSCOPE,       /* 06 Device           */

        ACPI_NS_NORMAL,         /* 07 Event            */

        ACPI_NS_NEWSCOPE,       /* 08 Method           */

        ACPI_NS_NORMAL,         /* 09 Mutex            */

        ACPI_NS_NORMAL,         /* 10 Region           */

        ACPI_NS_NEWSCOPE,       /* 11 Power            */

        ACPI_NS_NEWSCOPE,       /* 12 Processor        */

        ACPI_NS_NEWSCOPE,       /* 13 Thermal          */

        ACPI_NS_NORMAL,         /* 14 buffer_field     */

        ACPI_NS_NORMAL,         /* 15 ddb_handle       */

        ACPI_NS_NORMAL,         /* 16 Debug Object     */

        ACPI_NS_NORMAL,         /* 17 def_field        */

        ACPI_NS_NORMAL,         /* 18 bank_field       */

        ACPI_NS_NORMAL,         /* 19 index_field      */

        ACPI_NS_NORMAL,         /* 20 Reference        */

        ACPI_NS_NORMAL,         /* 21 Alias            */

        ACPI_NS_NORMAL,         /* 22 method_alias     */

        ACPI_NS_NORMAL,         /* 23 Notify           */

        ACPI_NS_NORMAL,         /* 24 Address Handler  */

        ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,       /* 25 Resource Desc    */

        ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL,       /* 26 Resource Field   */

        ACPI_NS_NEWSCOPE,       /* 27 Scope            */

        ACPI_NS_NORMAL,         /* 28 Extra            */

        ACPI_NS_NORMAL,         /* 29 Data             */

        ACPI_NS_NORMAL          /* 30 Invalid          */

};

/* Hex to ASCII conversion table */

static const char acpi_gbl_hex_to_ascii[] = {

        '0', '1', '2', '3', '4', '5', '6', '7',

        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'

};

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_hex_to_ascii_char

 *

 * PARAMETERS:  Integer             - Contains the hex digit

 *              Position            - bit position of the digit within the

 *                                    integer (multiple of 4)

 *

 * RETURN:      The converted Ascii character

 *

 * DESCRIPTION: Convert a hex digit to an Ascii character

 *

 ******************************************************************************/

char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)

{

        return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);

}

/******************************************************************************

 *

 * Event and Hardware globals

 *

 ******************************************************************************/

struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {

        /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */

        /* ACPI_BITREG_TIMER_STATUS         */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_TIMER_STATUS,

                                                ACPI_BITMASK_TIMER_STATUS},

        /* ACPI_BITREG_BUS_MASTER_STATUS    */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_BUS_MASTER_STATUS,

                                                ACPI_BITMASK_BUS_MASTER_STATUS},

        /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,

                                                ACPI_BITMASK_GLOBAL_LOCK_STATUS},

        /* ACPI_BITREG_POWER_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_POWER_BUTTON_STATUS,

                                                ACPI_BITMASK_POWER_BUTTON_STATUS},

        /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,

                                                ACPI_BITMASK_SLEEP_BUTTON_STATUS},

        /* ACPI_BITREG_RT_CLOCK_STATUS      */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_RT_CLOCK_STATUS,

                                                ACPI_BITMASK_RT_CLOCK_STATUS},

        /* ACPI_BITREG_WAKE_STATUS          */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_WAKE_STATUS,

                                                ACPI_BITMASK_WAKE_STATUS},

        /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */ {ACPI_REGISTER_PM1_STATUS,

                                                ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,

                                                ACPI_BITMASK_PCIEXP_WAKE_STATUS},

        /* ACPI_BITREG_TIMER_ENABLE         */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_TIMER_ENABLE,

                                                ACPI_BITMASK_TIMER_ENABLE},

        /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,

                                                ACPI_BITMASK_GLOBAL_LOCK_ENABLE},

        /* ACPI_BITREG_POWER_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_POWER_BUTTON_ENABLE,

                                                ACPI_BITMASK_POWER_BUTTON_ENABLE},

        /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,

                                                ACPI_BITMASK_SLEEP_BUTTON_ENABLE},

        /* ACPI_BITREG_RT_CLOCK_ENABLE      */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_RT_CLOCK_ENABLE,

                                                ACPI_BITMASK_RT_CLOCK_ENABLE},

        /* ACPI_BITREG_WAKE_ENABLE          */ {ACPI_REGISTER_PM1_ENABLE, 0, 0},

        /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */ {ACPI_REGISTER_PM1_ENABLE,

                                                ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,

                                                ACPI_BITMASK_PCIEXP_WAKE_DISABLE},

        /* ACPI_BITREG_SCI_ENABLE           */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_SCI_ENABLE,

                                                ACPI_BITMASK_SCI_ENABLE},

        /* ACPI_BITREG_BUS_MASTER_RLD       */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_BUS_MASTER_RLD,

                                                ACPI_BITMASK_BUS_MASTER_RLD},

        /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,

                                                ACPI_BITMASK_GLOBAL_LOCK_RELEASE},

        /* ACPI_BITREG_SLEEP_TYPE_A         */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_SLEEP_TYPE_X,

                                                ACPI_BITMASK_SLEEP_TYPE_X},

        /* ACPI_BITREG_SLEEP_TYPE_B         */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_SLEEP_TYPE_X,

                                                ACPI_BITMASK_SLEEP_TYPE_X},

        /* ACPI_BITREG_SLEEP_ENABLE         */ {ACPI_REGISTER_PM1_CONTROL,

                                                ACPI_BITPOSITION_SLEEP_ENABLE,

                                                ACPI_BITMASK_SLEEP_ENABLE},

        /* ACPI_BITREG_ARB_DIS              */ {ACPI_REGISTER_PM2_CONTROL,

                                                ACPI_BITPOSITION_ARB_DISABLE,

                                                ACPI_BITMASK_ARB_DISABLE}

};

struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {

        /* ACPI_EVENT_PMTIMER       */ {ACPI_BITREG_TIMER_STATUS,

                                        ACPI_BITREG_TIMER_ENABLE,

                                        ACPI_BITMASK_TIMER_STATUS,

                                        ACPI_BITMASK_TIMER_ENABLE},

        /* ACPI_EVENT_GLOBAL        */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,

                                        ACPI_BITREG_GLOBAL_LOCK_ENABLE,

                                        ACPI_BITMASK_GLOBAL_LOCK_STATUS,

                                        ACPI_BITMASK_GLOBAL_LOCK_ENABLE},

        /* ACPI_EVENT_POWER_BUTTON  */ {ACPI_BITREG_POWER_BUTTON_STATUS,

                                        ACPI_BITREG_POWER_BUTTON_ENABLE,

                                        ACPI_BITMASK_POWER_BUTTON_STATUS,

                                        ACPI_BITMASK_POWER_BUTTON_ENABLE},

        /* ACPI_EVENT_SLEEP_BUTTON  */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,

                                        ACPI_BITREG_SLEEP_BUTTON_ENABLE,

                                        ACPI_BITMASK_SLEEP_BUTTON_STATUS,

                                        ACPI_BITMASK_SLEEP_BUTTON_ENABLE},

        /* ACPI_EVENT_RTC           */ {ACPI_BITREG_RT_CLOCK_STATUS,

                                        ACPI_BITREG_RT_CLOCK_ENABLE,

                                        ACPI_BITMASK_RT_CLOCK_STATUS,

                                        ACPI_BITMASK_RT_CLOCK_ENABLE},

};

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_region_name

 *

 * PARAMETERS:  None.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Translate a Space ID into a name string (Debug only)

 *

 ******************************************************************************/

/* Region type decoding */

const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {

        "SystemMemory",

        "SystemIO",

        "PCI_Config",

        "EmbeddedControl",

        "SMBus",

        "CMOS",

        "PCIBARTarget",

        "DataTable"

};

char *acpi_ut_get_region_name(u8 space_id)

{

        if (space_id >= ACPI_USER_REGION_BEGIN) {

                return ("UserDefinedRegion");

        } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {

                return ("InvalidSpaceId");

        }

        return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_event_name

 *

 * PARAMETERS:  None.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Translate a Event ID into a name string (Debug only)

 *

 ******************************************************************************/

/* Event type decoding */

static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {

        "PM_Timer",

        "GlobalLock",

        "PowerButton",

        "SleepButton",

        "RealTimeClock",

};

char *acpi_ut_get_event_name(u32 event_id)

{

        if (event_id > ACPI_EVENT_MAX) {

                return ("InvalidEventID");

        }

        return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_type_name

 *

 * PARAMETERS:  None.

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Translate a Type ID into a name string (Debug only)

 *

 ******************************************************************************/

/*

 * Elements of acpi_gbl_ns_type_names below must match

 * one-to-one with values of acpi_object_type

 *

 * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;

 * when stored in a table it really means that we have thus far seen no

 * evidence to indicate what type is actually going to be stored for this entry.

 */

static const char acpi_gbl_bad_type[] = "UNDEFINED";

/* Printable names of the ACPI object types */

static const char *acpi_gbl_ns_type_names[] = {

        /* 00 */ "Untyped",

        /* 01 */ "Integer",

        /* 02 */ "String",

        /* 03 */ "Buffer",

        /* 04 */ "Package",

        /* 05 */ "FieldUnit",

        /* 06 */ "Device",

        /* 07 */ "Event",

        /* 08 */ "Method",

        /* 09 */ "Mutex",

        /* 10 */ "Region",

        /* 11 */ "Power",

        /* 12 */ "Processor",

        /* 13 */ "Thermal",

        /* 14 */ "BufferField",

        /* 15 */ "DdbHandle",

        /* 16 */ "DebugObject",

        /* 17 */ "RegionField",

        /* 18 */ "BankField",

        /* 19 */ "IndexField",

        /* 20 */ "Reference",

        /* 21 */ "Alias",

        /* 22 */ "MethodAlias",

        /* 23 */ "Notify",

        /* 24 */ "AddrHandler",

        /* 25 */ "ResourceDesc",

        /* 26 */ "ResourceFld",

        /* 27 */ "Scope",

        /* 28 */ "Extra",

        /* 29 */ "Data",

        /* 30 */ "Invalid"

};

char *acpi_ut_get_type_name(acpi_object_type type)

{

        if (type > ACPI_TYPE_INVALID) {

                return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));

        }

        return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type]));

}

char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc)

{

        if (!obj_desc) {

                return ("[NULL Object Descriptor]");

        }

        return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)));

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_node_name

 *

 * PARAMETERS:  Object               - A namespace node

 *

 * RETURN:      Pointer to a string

 *

 * DESCRIPTION: Validate the node and return the node's ACPI name.

 *

 ******************************************************************************/

char *acpi_ut_get_node_name(void *object)

{

        struct acpi_namespace_node *node = (struct acpi_namespace_node *)object;

        /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */

        if (!object) {

                return ("NULL");

        }

        /* Check for Root node */

        if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) {

                return ("\"\\\" ");

        }

        /* Descriptor must be a namespace node */

        if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {

                return ("####");

        }

        /* Name must be a valid ACPI name */

        if (!acpi_ut_valid_acpi_name(node->name.integer)) {

                node->name.integer = acpi_ut_repair_name(node->name.ascii);

        }

        /* Return the name */

        return (node->name.ascii);

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_descriptor_name

 *

 * PARAMETERS:  Object               - An ACPI object

 *

 * RETURN:      Pointer to a string

 *

 * DESCRIPTION: Validate object and return the descriptor type

 *

 ******************************************************************************/

/* Printable names of object descriptor types */

static const char *acpi_gbl_desc_type_names[] = {

        /* 00 */ "Invalid",

        /* 01 */ "Cached",

        /* 02 */ "State-Generic",

        /* 03 */ "State-Update",

        /* 04 */ "State-Package",

        /* 05 */ "State-Control",

        /* 06 */ "State-RootParseScope",

        /* 07 */ "State-ParseScope",

        /* 08 */ "State-WalkScope",

        /* 09 */ "State-Result",

        /* 10 */ "State-Notify",

        /* 11 */ "State-Thread",

        /* 12 */ "Walk",

        /* 13 */ "Parser",

        /* 14 */ "Operand",

        /* 15 */ "Node"

};

char *acpi_ut_get_descriptor_name(void *object)

{

        if (!object) {

                return ("NULL OBJECT");

        }

        if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) {

                return (ACPI_CAST_PTR(char, acpi_gbl_bad_type));

        }

        return (ACPI_CAST_PTR(char,

                              acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE

                                                       (object)]));

}

#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)

/*

 * Strings and procedures used for debug only

 */

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_get_mutex_name

 *

 * PARAMETERS:  mutex_id        - The predefined ID for this mutex.

 *

 * RETURN:      String containing the name of the mutex. Always returns a valid

 *              pointer.

 *

 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)

 *

 ******************************************************************************/

char *acpi_ut_get_mutex_name(u32 mutex_id)

{

        if (mutex_id > ACPI_MAX_MUTEX) {

                return ("Invalid Mutex ID");

        }

        return (acpi_gbl_mutex_names[mutex_id]);

}

#endif

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_valid_object_type

 *

 * PARAMETERS:  Type            - Object type to be validated

 *

 * RETURN:      TRUE if valid object type, FALSE otherwise

 *

 * DESCRIPTION: Validate an object type

 *

 ******************************************************************************/

u8 acpi_ut_valid_object_type(acpi_object_type type)

{

        if (type > ACPI_TYPE_LOCAL_MAX) {

                /* Note: Assumes all TYPEs are contiguous (external/local) */

                return (FALSE);

        }

        return (TRUE);

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_init_globals

 *

 * PARAMETERS:  None

 *

 * RETURN:      None

 *

 * DESCRIPTION: Init library globals.  All globals that require specific

 *              initialization should be initialized here!

 *

 ******************************************************************************/

void acpi_ut_init_globals(void)

{

        acpi_status status;

        u32 i;

        ACPI_FUNCTION_TRACE(ut_init_globals);

        /* Create all memory caches */

        status = acpi_ut_create_caches();

        if (ACPI_FAILURE(status)) {

                return;

        }

        /* Mutex locked flags */

        for (i = 0; i < ACPI_NUM_MUTEX; i++) {

                acpi_gbl_mutex_info[i].mutex = NULL;

                acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;

                acpi_gbl_mutex_info[i].use_count = 0;

        }

        for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {

                acpi_gbl_owner_id_mask[i] = 0;

        }

        acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;        /* Last ID is never valid */

        /* GPE support */

        acpi_gpe_count = 0;

        acpi_gbl_gpe_xrupt_list_head = NULL;

        acpi_gbl_gpe_fadt_blocks[0] = NULL;

        acpi_gbl_gpe_fadt_blocks[1] = NULL;

        /* Global notify handlers */

        acpi_gbl_system_notify.handler = NULL;

        acpi_gbl_device_notify.handler = NULL;

        acpi_gbl_exception_handler = NULL;

        acpi_gbl_init_handler = NULL;

        /* Global Lock support */

        acpi_gbl_global_lock_semaphore = NULL;

        acpi_gbl_global_lock_mutex = NULL;

        acpi_gbl_global_lock_acquired = FALSE;

        acpi_gbl_global_lock_handle = 0;

        /* Miscellaneous variables */

        acpi_gbl_cm_single_step = FALSE;

        acpi_gbl_db_terminate_threads = FALSE;

        acpi_gbl_shutdown = FALSE;

        acpi_gbl_ns_lookup_count = 0;

        acpi_gbl_ps_find_count = 0;

        acpi_gbl_acpi_hardware_present = TRUE;

        acpi_gbl_last_owner_id_index = 0;

        acpi_gbl_next_owner_id_offset = 0;

        acpi_gbl_trace_method_name = 0;

        acpi_gbl_trace_dbg_level = 0;

        acpi_gbl_trace_dbg_layer = 0;

        acpi_gbl_debugger_configuration = DEBUGGER_THREADING;

        acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;

        /* Hardware oriented */

        acpi_gbl_events_initialized = FALSE;

        acpi_gbl_system_awake_and_running = TRUE;

        /* Namespace */

        acpi_gbl_root_node = NULL;

        acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;

        acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;

        acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;

        acpi_gbl_root_node_struct.child = NULL;

        acpi_gbl_root_node_struct.peer = NULL;

        acpi_gbl_root_node_struct.object = NULL;

        acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;

#ifdef ACPI_DEBUG_OUTPUT

        acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX;

#endif

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

        acpi_gbl_display_final_mem_stats = FALSE;

#endif

        return_VOID;

}

ACPI_EXPORT_SYMBOL(acpi_dbg_level)

    ACPI_EXPORT_SYMBOL(acpi_dbg_layer)

    ACPI_EXPORT_SYMBOL(acpi_gpe_count)