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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utglobal.c] - Rev 1774
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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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