/****************************************************************************** * * Name: acglobal.h - Declarations for global variables * *****************************************************************************/ /* * Copyright (C) 2000 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. */ #ifndef __ACGLOBAL_H__ #define __ACGLOBAL_H__ /* * Ensure that the globals are actually defined and initialized only once. * * The use of these macros allows a single list of globals (here) in order * to simplify maintenance of the code. */ #ifdef DEFINE_ACPI_GLOBALS #define ACPI_GLOBAL(type,name) \ extern type name; \ type name #define ACPI_INIT_GLOBAL(type,name,value) \ type name=value #else #define ACPI_GLOBAL(type,name) \ extern type name #define ACPI_INIT_GLOBAL(type,name,value) \ extern type name #endif #ifdef DEFINE_ACPI_GLOBALS /* Public globals, available from outside ACPICA subsystem */ /***************************************************************************** * * Runtime configuration (static defaults that can be overriden at runtime) * ****************************************************************************/ /* * Enable "slack" in the AML interpreter? Default is FALSE, and the * interpreter strictly follows the ACPI specification. Setting to TRUE * allows the interpreter to ignore certain errors and/or bad AML constructs. * * Currently, these features are enabled by this flag: * * 1) Allow "implicit return" of last value in a control method * 2) Allow access beyond the end of an operation region * 3) Allow access to uninitialized locals/args (auto-init to integer 0) * 4) Allow ANY object type to be a source operand for the Store() operator * 5) Allow unresolved references (invalid target name) in package objects * 6) Enable warning messages for behavior that is not ACPI spec compliant */ ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE); /* * Automatically serialize all methods that create named objects? Default * is TRUE, meaning that all non_serialized methods are scanned once at * table load time to determine those that create named objects. Methods * that create named objects are marked Serialized in order to prevent * possible run-time problems if they are entered by more than one thread. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE); /* * Create the predefined _OSI method in the namespace? Default is TRUE * because ACPICA is fully compatible with other ACPI implementations. * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE); /* * Optionally use default values for the ACPI register widths. Set this to * TRUE to use the defaults, if an FADT contains incorrect widths/lengths. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE); /* * Optionally enable output from the AML Debug Object. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE); /* * Optionally copy the entire DSDT to local memory (instead of simply * mapping it.) There are some BIOSs that corrupt or replace the original * DSDT, creating the need for this option. Default is FALSE, do not copy * the DSDT. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE); /* * Optionally ignore an XSDT if present and use the RSDT instead. * Although the ACPI specification requires that an XSDT be used instead * of the RSDT, the XSDT has been found to be corrupt or ill-formed on * some machines. Default behavior is to use the XSDT if present. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE); /* * Optionally use 32-bit FADT addresses if and when there is a conflict * (address mismatch) between the 32-bit and 64-bit versions of the * address. Although ACPICA adheres to the ACPI specification which * requires the use of the corresponding 64-bit address if it is non-zero, * some machines have been found to have a corrupted non-zero 64-bit * address. Default is FALSE, do not favor the 32-bit addresses. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE); /* * Optionally truncate I/O addresses to 16 bits. Provides compatibility * with other ACPI implementations. NOTE: During ACPICA initialization, * this value is set to TRUE if any Windows OSI strings have been * requested by the BIOS. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE); /* * Disable runtime checking and repair of values returned by control methods. * Use only if the repair is causing a problem on a particular machine. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE); /* * Optionally do not install any SSDTs from the RSDT/XSDT during initialization. * This can be useful for debugging ACPI problems on some machines. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE); /* * We keep track of the latest version of Windows that has been requested by * the BIOS. */ ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0); #endif /* DEFINE_ACPI_GLOBALS */ /***************************************************************************** * * ACPI Table globals * ****************************************************************************/ /* * Master list of all ACPI tables that were found in the RSDT/XSDT. */ ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list); /* DSDT information. Used to check for DSDT corruption */ ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT); ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header); #if (!ACPI_REDUCED_HARDWARE) ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); #endif /* !ACPI_REDUCED_HARDWARE */ /* These addresses are calculated from the FADT Event Block addresses */ ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status); ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable); ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status); ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable); /* * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is * determined by the revision of the DSDT: If the DSDT revision is less than * 2, use only the lower 32 bits of the internal 64-bit Integer. */ ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width); ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width); ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width); /***************************************************************************** * * Mutual exclusion within ACPICA subsystem * ****************************************************************************/ /* * Predefined mutex objects. This array contains the * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. * (The table maps local handles to the real OS handles) */ ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]); /* * Global lock mutex is an actual AML mutex object * Global lock semaphore works in conjunction with the actual global lock * Global lock spinlock is used for "pending" handshake */ ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex); ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore); ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock); ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle); ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired); ACPI_GLOBAL(u8, acpi_gbl_global_lock_present); ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending); /* * Spinlocks are used for interfaces that can be possibly called at * interrupt level */ ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */ ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */ ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock); /* Mutex for _OSI support */ ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex); /* Reader/Writer lock is used for namespace walk and dynamic table unload */ ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock); /***************************************************************************** * * Miscellaneous globals * ****************************************************************************/ /* Object caches */ ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache); ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache); ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache); ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache); ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); /* System */ ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); /* Global handlers */ ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]); ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler); ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler); ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler); ACPI_GLOBAL(void *, acpi_gbl_table_handler_context); ACPI_GLOBAL(struct acpi_walk_state *, acpi_gbl_breakpoint_walk); ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler); ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list); /* Owner ID support */ ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]); ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index); ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); /* Initialization sequencing */ ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed); /* Misc */ ACPI_GLOBAL(u32, acpi_gbl_original_mode); ACPI_GLOBAL(u32, acpi_gbl_rsdp_original_location); ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count); ACPI_GLOBAL(u32, acpi_gbl_ps_find_count); ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save); ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration); ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call); ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present); ACPI_GLOBAL(u8, acpi_gbl_events_initialized); ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces); ACPI_GLOBAL(struct acpi_address_range *, acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]); /* Other miscellaneous, declared and initialized in utglobal */ extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS]; extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS]; extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; #ifdef ACPI_DBG_TRACK_ALLOCATIONS /* Lists for tracking memory allocations (debug only) */ ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list); ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list); ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats); ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking); #endif /***************************************************************************** * * Namespace globals * ****************************************************************************/ #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) #define NUM_PREDEFINED_NAMES 10 #else #define NUM_PREDEFINED_NAMES 9 #endif ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct); ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node); ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device); ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list); extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES]; extern const struct acpi_predefined_names acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES]; #ifdef ACPI_DEBUG_OUTPUT ACPI_GLOBAL(u32, acpi_gbl_current_node_count); ACPI_GLOBAL(u32, acpi_gbl_current_node_size); ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count); ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer); ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer); ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting); ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); #endif /***************************************************************************** * * Interpreter globals * ****************************************************************************/ ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); /* Control method single step flag */ ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); /***************************************************************************** * * Hardware globals * ****************************************************************************/ extern struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); /***************************************************************************** * * Event and GPE globals * ****************************************************************************/ #if (!ACPI_REDUCED_HARDWARE) ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized); ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head); ACPI_GLOBAL(struct acpi_gpe_block_info *, acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]); ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler); ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context); ACPI_GLOBAL(struct acpi_fixed_event_handler, acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]); extern struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; #endif /* !ACPI_REDUCED_HARDWARE */ /***************************************************************************** * * Debug support * ****************************************************************************/ /* Event counters */ ACPI_GLOBAL(u32, acpi_method_count); ACPI_GLOBAL(u32, acpi_gpe_count); ACPI_GLOBAL(u32, acpi_sci_count); ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); /* Support for dynamic control method tracing mechanism */ ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level); ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer); /***************************************************************************** * * Debugger and Disassembler globals * ****************************************************************************/ ACPI_GLOBAL(u8, acpi_gbl_db_output_flags); #ifdef ACPI_DISASSEMBLER /* Do not disassemble buffers to resource descriptors */ ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm); ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose); ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); #endif #ifdef ACPI_DEBUGGER ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE); ACPI_GLOBAL(u8, acpi_gbl_db_opt_tables); ACPI_GLOBAL(u8, acpi_gbl_db_opt_stats); ACPI_GLOBAL(u8, acpi_gbl_db_opt_ini_methods); ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support); ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file); ACPI_GLOBAL(char *, acpi_gbl_db_buffer); ACPI_GLOBAL(char *, acpi_gbl_db_filename); ACPI_GLOBAL(u32, acpi_gbl_db_debug_level); ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level); ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node); ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]); ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); /* These buffers should all be the same size */ ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); /* * Statistic globals */ ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); ACPI_GLOBAL(u32, acpi_gbl_num_nodes); ACPI_GLOBAL(u32, acpi_gbl_num_objects); ACPI_GLOBAL(u32, acpi_gbl_size_of_parse_tree); ACPI_GLOBAL(u32, acpi_gbl_size_of_method_trees); ACPI_GLOBAL(u32, acpi_gbl_size_of_node_entries); ACPI_GLOBAL(u32, acpi_gbl_size_of_acpi_objects); #endif /* ACPI_DEBUGGER */ /***************************************************************************** * * Application globals * ****************************************************************************/ #ifdef ACPI_APPLICATION ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL); #endif /* ACPI_APPLICATION */ /***************************************************************************** * * Info/help support * ****************************************************************************/ extern const struct ah_predefined_name asl_predefined_info[]; extern const AH_DEVICE_ID asl_device_ids[]; #endif /* __ACGLOBAL_H__ */