utglobal.c

内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系统,编译内核

	/* 25 */ "Resource_fld",
	/* 26 */ "Region_fld_dfn",
	/* 27 */ "Bank_fld_dfn",
	/* 28 */ "Index_fld_dfn",
	/* 29 */ "If",
	/* 30 */ "Else",
	/* 31 */ "While",
	/* 32 */ "Scope",
	/* 33 */ "Def_any",
	/* 34 */ "Extra",
	/* 35 */ "Invalid"
};


/*****************************************************************************
 *
 * FUNCTION:    Acpi_ut_get_type_name
 *
 * PARAMETERS:  None.
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Translate a Type ID into a name string (Debug only)
 *
 ****************************************************************************/

NATIVE_CHAR *
acpi_ut_get_type_name (
	u32                     type)
{

	if (type > INTERNAL_TYPE_INVALID)
	{
		return ((NATIVE_CHAR *) acpi_gbl_bad_type);
	}

	return ((NATIVE_CHAR *) acpi_gbl_ns_type_names[type]);
}


/* Region type decoding */

const NATIVE_CHAR *acpi_gbl_region_types[NUM_REGION_TYPES] =
{
	"System_memory",
	"System_iO",
	"PCIConfig",
	"Embedded_control",
	"SMBus",
	"CMOS",
	"PCIBar_target",
};


/*****************************************************************************
 *
 * FUNCTION:    Acpi_ut_get_region_name
 *
 * PARAMETERS:  None.
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Translate a Space ID into a name string (Debug only)
 *
 ****************************************************************************/

NATIVE_CHAR *
acpi_ut_get_region_name (
	u8                      space_id)
{

	if (space_id >= USER_REGION_BEGIN)
	{
		return ("User_defined_region");
	}

	else if (space_id >= NUM_REGION_TYPES)
	{
		return ("Invalid_space_iD");
	}

	return ((NATIVE_CHAR *) acpi_gbl_region_types[space_id]);
}


/* Data used in keeping track of fields */

const NATIVE_CHAR *acpi_gbl_FEnames[NUM_FIELD_NAMES] =
{
	"skip",
	"?access?"
};              /* FE = Field Element */


const NATIVE_CHAR *acpi_gbl_match_ops[NUM_MATCH_OPS] =
{
	"Error",
	"MTR",
	"MEQ",
	"MLE",
	"MLT",
	"MGE",
	"MGT"
};


/* Access type decoding */

const NATIVE_CHAR *acpi_gbl_access_types[NUM_ACCESS_TYPES] =
{
	"Any_acc",
	"Byte_acc",
	"Word_acc",
	"DWord_acc",
	"Block_acc",
	"SMBSend_recv_acc",
	"SMBQuick_acc"
};


/* Update rule decoding */

const NATIVE_CHAR *acpi_gbl_update_rules[NUM_UPDATE_RULES] =
{
	"Preserve",
	"Write_as_ones",
	"Write_as_zeros"
};

#endif


/*****************************************************************************
 *
 * FUNCTION:    Acpi_ut_valid_object_type
 *
 * PARAMETERS:  None.
 *
 * RETURN:      TRUE if valid object type
 *
 * DESCRIPTION: Validate an object type
 *
 ****************************************************************************/

u8
acpi_ut_valid_object_type (
	u32                     type)
{

	if (type > ACPI_TYPE_MAX)
	{
		if ((type < INTERNAL_TYPE_BEGIN) ||
			(type > INTERNAL_TYPE_MAX))
		{
			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;


	FUNCTION_TRACE ("Ut_allocate_owner_id");


	acpi_ut_acquire_mutex (ACPI_MTX_CACHES);

	switch (id_type)
	{
	case OWNER_TYPE_TABLE:

		owner_id = acpi_gbl_next_table_owner_id;
		acpi_gbl_next_table_owner_id++;

		if (acpi_gbl_next_table_owner_id == FIRST_METHOD_ID)
		{
			acpi_gbl_next_table_owner_id = FIRST_TABLE_ID;
		}
		break;


	case OWNER_TYPE_METHOD:

		owner_id = acpi_gbl_next_method_owner_id;
		acpi_gbl_next_method_owner_id++;

		if (acpi_gbl_next_method_owner_id == FIRST_TABLE_ID)
		{
			acpi_gbl_next_method_owner_id = FIRST_METHOD_ID;
		}
		break;
	}


	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;


	FUNCTION_TRACE ("Ut_init_globals");

	/* Memory allocation and cache lists */

	MEMSET (acpi_gbl_memory_lists, 0, sizeof (ACPI_MEMORY_LIST) * ACPI_NUM_MEM_LISTS);

	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset      = (u16) (NATIVE_UINT) &(((acpi_generic_state *) NULL)->common.next);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset     = (u16) (NATIVE_UINT) &(((acpi_parse_object *) NULL)->next);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) (NATIVE_UINT) &(((acpi_parse2_object *) NULL)->next);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset    = (u16) (NATIVE_UINT) &(((acpi_operand_object *) NULL)->cache.next);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset       = (u16) (NATIVE_UINT) &(((acpi_walk_state *) NULL)->next);

	acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size     = sizeof (acpi_namespace_node);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size      = sizeof (acpi_generic_state);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size     = sizeof (acpi_parse_object);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (acpi_parse2_object);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size    = sizeof (acpi_operand_object);
	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size       = sizeof (acpi_walk_state);

	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth  = MAX_STATE_CACHE_DEPTH;
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = MAX_PARSE_CACHE_DEPTH;
	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = MAX_EXTPARSE_CACHE_DEPTH;
	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = MAX_OBJECT_CACHE_DEPTH;
	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth   = 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_TABLES; i++)
	{
		acpi_gbl_acpi_tables[i].prev        = &acpi_gbl_acpi_tables[i];
		acpi_gbl_acpi_tables[i].next        = &acpi_gbl_acpi_tables[i];
		acpi_gbl_acpi_tables[i].pointer     = NULL;
		acpi_gbl_acpi_tables[i].length      = 0;
		acpi_gbl_acpi_tables[i].allocation  = ACPI_MEM_NOT_ALLOCATED;
		acpi_gbl_acpi_tables[i].count       = 0;
	}


	/* Address Space handler array */

	for (i = 0; i < ACPI_NUM_ADDRESS_SPACES; i++)
	{
		acpi_gbl_address_spaces[i].handler  = NULL;
		acpi_gbl_address_spaces[i].context  = NULL;
	}

	/* Mutex locked flags */

	for (i = 0; i < NUM_MTX; i++)
	{
		acpi_gbl_acpi_mutex_info[i].mutex   = NULL;
		acpi_gbl_acpi_mutex_info[i].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
		acpi_gbl_acpi_mutex_info[i].use_count = 0;
	}

	/* Global notify handlers */

	acpi_gbl_sys_notify.handler         = NULL;
	acpi_gbl_drv_notify.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;

	/* Miscellaneous variables */

	acpi_gbl_system_flags               = 0;
	acpi_gbl_startup_flags              = 0;
	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        = FIRST_TABLE_ID;
	acpi_gbl_next_method_owner_id       = FIRST_METHOD_ID;
	acpi_gbl_debugger_configuration     = DEBUGGER_THREADING;

	/* Hardware oriented */

	acpi_gbl_gpe0enable_register_save   = NULL;
	acpi_gbl_gpe1_enable_register_save  = NULL;
	acpi_gbl_original_mode              = SYS_MODE_UNKNOWN;   /*  original ACPI/legacy mode   */
	acpi_gbl_gpe_registers              = NULL;
	acpi_gbl_gpe_info                   = NULL;

	/* Namespace */

	acpi_gbl_root_node                  = NULL;

	acpi_gbl_root_node_struct.name      = ACPI_ROOT_NAME;
	acpi_gbl_root_node_struct.data_type = ACPI_DESC_TYPE_NAMED;
	acpi_gbl_root_node_struct.type      = ACPI_TYPE_ANY;
	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
	acpi_gbl_lowest_stack_pointer       = ACPI_UINT32_MAX;
#endif

	return_VOID;
}