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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utglobal.c] - Blame information for rev 1275

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/******************************************************************************
 *
 * Module Name: utglobal - Global variables for the ACPI subsystem
 *
 *****************************************************************************/
 
/*
 * Copyright (C) 2000 - 2004, 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>
 
#define _COMPONENT          ACPI_UTILITIES
         ACPI_MODULE_NAME    ("utglobal")
 
 
/******************************************************************************
 *
 * FUNCTION:    acpi_format_exception
 *
 * PARAMETERS:  Status       - The acpi_status code to be formatted
 *
 * RETURN:      A string containing the exception  text
 *
 * DESCRIPTION: This function translates an ACPI exception into an ASCII string.
 *
 ******************************************************************************/
 
const char *
acpi_format_exception (
        acpi_status                     status)
{
        const char                      *exception = "UNKNOWN_STATUS_CODE";
        acpi_status                     sub_status;
 
 
        ACPI_FUNCTION_NAME ("format_exception");
 
 
        sub_status = (status & ~AE_CODE_MASK);
 
        switch (status & AE_CODE_MASK) {
        case AE_CODE_ENVIRONMENTAL:
 
                if (sub_status <= AE_CODE_ENV_MAX) {
                        exception = acpi_gbl_exception_names_env [sub_status];
                        break;
                }
                goto unknown;
 
        case AE_CODE_PROGRAMMER:
 
                if (sub_status <= AE_CODE_PGM_MAX) {
                        exception = acpi_gbl_exception_names_pgm [sub_status -1];
                        break;
                }
                goto unknown;
 
        case AE_CODE_ACPI_TABLES:
 
                if (sub_status <= AE_CODE_TBL_MAX) {
                        exception = acpi_gbl_exception_names_tbl [sub_status -1];
                        break;
                }
                goto unknown;
 
        case AE_CODE_AML:
 
                if (sub_status <= AE_CODE_AML_MAX) {
                        exception = acpi_gbl_exception_names_aml [sub_status -1];
                        break;
                }
                goto unknown;
 
        case AE_CODE_CONTROL:
 
                if (sub_status <= AE_CODE_CTRL_MAX) {
                        exception = acpi_gbl_exception_names_ctrl [sub_status -1];
                        break;
                }
                goto unknown;
 
        default:
                goto unknown;
        }
 
 
        return ((const char *) exception);
 
unknown:
 
        ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown exception code: 0x%8.8X\n", status));
        return ((const char *) exception);
}
 
 
/******************************************************************************
 *
 * 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 */
 
#ifdef ACPI_DEBUG_OUTPUT
u32                                 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
#else
u32                                 acpi_dbg_level = ACPI_NORMAL_DEFAULT;
#endif
 
/* Debug switch - layer (component) mask */
 
u32                                 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT;
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 u8                            acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128};
 
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"};
 
/* Strings supported by the _OSI predefined (internal) method */
 
const char                          *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = {
                                                         "Linux",
                                                         "Windows 2000",
                                                         "Windows 2001",
                                                         "Windows 2001.1"};
 
 
/******************************************************************************
 *
 * 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.
 */
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_LOCAL_SCOPE,      NULL},
        {"_REV",    ACPI_TYPE_INTEGER,          "2"},
        {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
        {"_GL_",    ACPI_TYPE_MUTEX,            "0"},
 
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
        {"_OSI",    ACPI_TYPE_METHOD,           "1"},
#endif
        {NULL,      ACPI_TYPE_ANY,              NULL}              /* Table terminator */
};
 
 
/*
 * 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
 *
 * RETURN:      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]);
}
 
 
/******************************************************************************
 *
 * Table name globals
 *
 * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes.
 * it is NOT an exhaustive list of all possible ACPI tables.  All ACPI tables
 * that are not used by the subsystem are simply ignored.
 *
 * Do NOT add any table to this list that is not consumed directly by this
 * subsystem.
 *
 ******************************************************************************/
 
struct acpi_table_list              acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
 
struct acpi_table_support           acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] =
{
        /***********    Name,   Signature, Global typed pointer     Signature size,      Type                  How many allowed?,    Contains valid AML? */
 
        /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL,                    sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
        /* DSDT 1 */ {DSDT_SIG,  DSDT_SIG, (void *) &acpi_gbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE   | ACPI_TABLE_EXECUTABLE},
        /* FADT 2 */ {FADT_SIG,  FADT_SIG, (void *) &acpi_gbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_SINGLE},
        /* FACS 3 */ {FACS_SIG,  FACS_SIG, (void *) &acpi_gbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE},
        /* PSDT 4 */ {PSDT_SIG,  PSDT_SIG, NULL,                    sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
        /* SSDT 5 */ {SSDT_SIG,  SSDT_SIG, NULL,                    sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY  | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE},
        /* XSDT 6 */ {XSDT_SIG,  XSDT_SIG, NULL,                    sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT     | ACPI_TABLE_SINGLE},
};
 
 
/******************************************************************************
 *
 * 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_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_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] =
{
/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
        "SystemMemory",
        "SystemIO",
        "PCI_Config",
        "EmbeddedControl",
        "SMBus",
        "CMOS",
        "PCIBARTarget",
        "DataTable"
/*! [End] no source code translation !*/
};
 
 
char *
acpi_ut_get_region_name (
        u8                              space_id)
{
 
        if (space_id >= ACPI_USER_REGION_BEGIN)
        {
                return ("user_defined_region");
        }
 
        else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS)
        {
                return ("invalid_space_id");
        }
 
        return ((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",
        "global_lock",
        "power_button",
        "sleep_button",
        "real_time_clock",
};
 
 
char *
acpi_ut_get_event_name (
        u32                             event_id)
{
 
        if (event_id > ACPI_EVENT_MAX)
        {
                return ("invalid_event_iD");
        }
 
        return ((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";
#define TYPE_NAME_LENGTH    12                           /* Maximum length of each string */
 
static const char                   *acpi_gbl_ns_type_names[] = /* printable names of ACPI types */
{
        /* 00 */ "Untyped",
        /* 01 */ "Integer",
        /* 02 */ "String",
        /* 03 */ "Buffer",
        /* 04 */ "Package",
        /* 05 */ "field_unit",
        /* 06 */ "Device",
        /* 07 */ "Event",
        /* 08 */ "Method",
        /* 09 */ "Mutex",
        /* 10 */ "Region",
        /* 11 */ "Power",
        /* 12 */ "Processor",
        /* 13 */ "Thermal",
        /* 14 */ "buffer_field",
        /* 15 */ "ddb_handle",
        /* 16 */ "debug_object",
        /* 17 */ "region_field",
        /* 18 */ "bank_field",
        /* 19 */ "index_field",
        /* 20 */ "Reference",
        /* 21 */ "Alias",
        /* 22 */ "method_alias",
        /* 23 */ "Notify",
        /* 24 */ "addr_handler",
        /* 25 */ "resource_desc",
        /* 26 */ "resource_fld",
        /* 27 */ "Scope",
        /* 28 */ "Extra",
        /* 29 */ "Data",
        /* 30 */ "Invalid"
};
 
 
char *
acpi_ut_get_type_name (
        acpi_object_type                type)
{
 
        if (type > ACPI_TYPE_INVALID)
        {
                return ((char *) acpi_gbl_bad_type);
        }
 
        return ((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;
 
 
        if (!object)
        {
                return ("NULL NODE");
        }
 
        if (object == ACPI_ROOT_OBJECT)
        {
                node = acpi_gbl_root_node;
        }
 
        if (node->descriptor != ACPI_DESC_TYPE_NAMED)
        {
                return ("****");
        }
 
        if (!acpi_ut_valid_acpi_name (* (u32 *) node->name.ascii))
        {
                return ("----");
        }
 
        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
 *
 ****************************************************************************/
 
static const char                   *acpi_gbl_desc_type_names[] = /* printable names of descriptor types */
{
        /* 00 */ "Invalid",
        /* 01 */ "Cached",
        /* 02 */ "State-Generic",
        /* 03 */ "State-Update",
        /* 04 */ "State-Package",
        /* 05 */ "State-Control",
        /* 06 */ "State-root_parse_scope",
        /* 07 */ "State-parse_scope",
        /* 08 */ "State-walk_scope",
        /* 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 ((char *) acpi_gbl_bad_type);
        }
 
        return ((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:  None.
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Translate a mutex ID into a name string (Debug only)
 *
 ****************************************************************************/
 
char *
acpi_ut_get_mutex_name (
        u32                             mutex_id)
{
 
        if (mutex_id > 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
 *
 * 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_allocate_owner_id
 *
 * PARAMETERS:  id_type         - Type of ID (method or table)
 *
 * DESCRIPTION: Allocate a table or method owner id
 *
 ***************************************************************************/
 
acpi_owner_id
acpi_ut_allocate_owner_id (
        u32                             id_type)
{
        acpi_owner_id                   owner_id = 0xFFFF;
 
 
        ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
 
 
        if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
        {
                return (0);
        }
 
        switch (id_type)
        {
        case ACPI_OWNER_TYPE_TABLE:
 
                owner_id = acpi_gbl_next_table_owner_id;
                acpi_gbl_next_table_owner_id++;
 
                /* Check for wraparound */
 
                if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
                {
                        acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
                        ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
                }
                break;
 
 
        case ACPI_OWNER_TYPE_METHOD:
 
                owner_id = acpi_gbl_next_method_owner_id;
                acpi_gbl_next_method_owner_id++;
 
                if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
                {
                        /* Check for wraparound */
 
                        acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
                }
                break;
 
        default:
                break;
        }
 
        (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
        return_VALUE (owner_id);
}
 
 
/****************************************************************************
 *
 * FUNCTION:    acpi_ut_init_globals
 *
 * PARAMETERS:  none
 *
 * DESCRIPTION: Init library globals.  All globals that require specific
 *              initialization should be initialized here!
 *
 ***************************************************************************/
 
void
acpi_ut_init_globals (
        void)
{
        u32                             i;
 
 
        ACPI_FUNCTION_TRACE ("ut_init_globals");
 
        /* Runtime configuration */
 
        acpi_gbl_create_osi_method = TRUE;
        acpi_gbl_all_methods_serialized = FALSE;
        acpi_gbl_leave_wake_gpes_disabled = TRUE;
 
        /* Memory allocation and cache lists */
 
        ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset      = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset     = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset    = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset       = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size     = sizeof (struct acpi_namespace_node);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size      = sizeof (union acpi_generic_state);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size     = sizeof (struct acpi_parse_obj_common);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size    = sizeof (union acpi_operand_object);
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size       = sizeof (struct acpi_walk_state);
 
        acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth  = ACPI_MAX_STATE_CACHE_DEPTH;
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
        acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
        acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
        acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth   = ACPI_MAX_WALK_CACHE_DEPTH;
 
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name    = "Global Memory Allocation");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name    = "Namespace Nodes");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name     = "State Object Cache");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name    = "Parse Node Cache");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name   = "Operand Object Cache");
        ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name      = "Tree Walk Node Cache");
 
        /* ACPI table structure */
 
        for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++)
        {
                acpi_gbl_table_lists[i].next        = NULL;
                acpi_gbl_table_lists[i].count       = 0;
        }
 
        /* Mutex locked flags */
 
        for (i = 0; i < NUM_MUTEX; i++)
        {
                acpi_gbl_mutex_info[i].mutex        = NULL;
                acpi_gbl_mutex_info[i].owner_id     = ACPI_MUTEX_NOT_ACQUIRED;
                acpi_gbl_mutex_info[i].use_count    = 0;
        }
 
        /* GPE support */
 
        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_init_handler               = NULL;
 
        /* Global "typed" ACPI table pointers */
 
        acpi_gbl_RSDP                       = NULL;
        acpi_gbl_XSDT                       = NULL;
        acpi_gbl_FACS                       = NULL;
        acpi_gbl_FADT                       = NULL;
        acpi_gbl_DSDT                       = NULL;
 
        /* Global Lock support */
 
        acpi_gbl_global_lock_acquired       = FALSE;
        acpi_gbl_global_lock_thread_count   = 0;
        acpi_gbl_global_lock_handle         = 0;
 
        /* Miscellaneous variables */
 
        acpi_gbl_table_flags                = ACPI_PHYSICAL_POINTER;
        acpi_gbl_rsdp_original_location     = 0;
        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_next_table_owner_id        = ACPI_FIRST_TABLE_ID;
        acpi_gbl_next_method_owner_id       = ACPI_FIRST_METHOD_ID;
        acpi_gbl_debugger_configuration     = DEBUGGER_THREADING;
        acpi_gbl_db_output_flags            = ACPI_DB_CONSOLE_OUTPUT;
 
        /* Hardware oriented */
 
        acpi_gbl_events_initialized         = FALSE;
 
        /* Namespace */
 
        acpi_gbl_root_node                  = NULL;
 
        acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
        acpi_gbl_root_node_struct.descriptor = 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
 
        return_VOID;
}
 
 
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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utglobal.c] - Blame information for rev 1275

Line No.	Rev	Author	Line
1	1275	phoenix	`/******************************************************************************`
2			`*`
3			`* Module Name: utglobal - Global variables for the ACPI subsystem`
4			`*`
5			`*****************************************************************************/`
6
7			`/*`
8			`* Copyright (C) 2000 - 2004, R. Byron Moore`
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`