1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
47 /*****************************************************************************
49 * Globals related to the ACPI tables
51 ****************************************************************************/
53 /* Master list of all ACPI tables that were found in the RSDT/XSDT */
55 ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
57 /* DSDT information. Used to check for DSDT corruption */
59 ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
60 ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
61 ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX);
62 ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX);
63 ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
65 #if (!ACPI_REDUCED_HARDWARE)
66 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
68 #endif /* !ACPI_REDUCED_HARDWARE */
70 /* These addresses are calculated from the FADT Event Block addresses */
72 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
73 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
75 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
76 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
79 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
80 * determined by the revision of the DSDT: If the DSDT revision is less than
81 * 2, use only the lower 32 bits of the internal 64-bit Integer.
83 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
84 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
85 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
87 /*****************************************************************************
89 * Mutual exclusion within ACPICA subsystem
91 ****************************************************************************/
94 * Predefined mutex objects. This array contains the
95 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
96 * (The table maps local handles to the real OS handles)
98 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
101 * Global lock mutex is an actual AML mutex object
102 * Global lock semaphore works in conjunction with the actual global lock
103 * Global lock spinlock is used for "pending" handshake
105 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
106 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
107 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
108 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
109 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
110 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
111 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
114 * Spinlocks are used for interfaces that can be possibly called at
117 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */
118 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
119 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
121 /* Mutex for _OSI support */
123 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
125 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
127 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
129 /*****************************************************************************
131 * Miscellaneous globals
133 ****************************************************************************/
137 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
138 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
139 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
140 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
141 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
145 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
146 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
148 /* Global handlers */
150 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
151 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
152 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
153 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
154 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
155 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
156 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
158 /* Owner ID support */
160 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
161 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
162 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
164 /* Initialization sequencing */
166 ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
170 ACPI_GLOBAL(u32, acpi_gbl_original_mode);
171 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
172 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
173 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
174 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
175 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
176 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
177 ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
178 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
179 ACPI_GLOBAL(struct acpi_address_range *,
180 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
182 /* Other miscellaneous, declared and initialized in utglobal */
184 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
185 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
186 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
187 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
188 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
190 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
192 /* Lists for tracking memory allocations (debug only) */
194 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
195 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
196 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
197 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
200 /*****************************************************************************
204 ****************************************************************************/
206 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
207 #define NUM_PREDEFINED_NAMES 10
209 #define NUM_PREDEFINED_NAMES 9
212 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
213 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
214 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
215 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
217 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
218 extern const struct acpi_predefined_names
219 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
221 #ifdef ACPI_DEBUG_OUTPUT
222 ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
223 ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
224 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
225 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
226 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
227 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
228 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
231 /*****************************************************************************
233 * Interpreter globals
235 ****************************************************************************/
237 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
239 /* Maximum number of While() loop iterations before forced abort */
241 ACPI_GLOBAL(u16, acpi_gbl_max_loop_iterations);
243 /* Control method single step flag */
245 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
247 /*****************************************************************************
251 ****************************************************************************/
253 extern struct acpi_bit_register_info
254 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
256 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
257 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
259 /*****************************************************************************
261 * Event and GPE globals
263 ****************************************************************************/
265 #if (!ACPI_REDUCED_HARDWARE)
267 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
268 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
269 ACPI_GLOBAL(struct acpi_gpe_block_info *,
270 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
271 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
272 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
273 ACPI_GLOBAL(struct acpi_fixed_event_handler,
274 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
276 extern struct acpi_fixed_event_info
277 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
279 #endif /* !ACPI_REDUCED_HARDWARE */
281 /*****************************************************************************
285 ****************************************************************************/
289 ACPI_GLOBAL(u32, acpi_method_count);
290 ACPI_GLOBAL(u32, acpi_gpe_count);
291 ACPI_GLOBAL(u32, acpi_sci_count);
292 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
294 /* Support for dynamic control method tracing mechanism */
296 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
297 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
299 /*****************************************************************************
301 * Debugger and Disassembler globals
303 ****************************************************************************/
305 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
307 #ifdef ACPI_DISASSEMBLER
309 /* Do not disassemble buffers to resource descriptors */
311 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
312 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
313 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
314 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
315 ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE);
317 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm);
318 ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing);
319 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
320 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
321 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
322 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
327 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE);
328 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
329 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
331 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
332 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
333 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
334 ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
335 ACPI_GLOBAL(char *, acpi_gbl_db_filename);
336 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
337 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
338 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
340 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
341 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
343 /* These buffers should all be the same size */
345 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
346 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
347 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
348 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
353 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]);
354 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]);
355 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
356 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
357 ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
358 ACPI_GLOBAL(u32, acpi_gbl_num_objects);
360 #endif /* ACPI_DEBUGGER */
362 /*****************************************************************************
364 * Application globals
366 ****************************************************************************/
368 #ifdef ACPI_APPLICATION
370 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
371 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
375 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */
376 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
378 #endif /* ACPI_APPLICATION */
380 /*****************************************************************************
384 ****************************************************************************/
386 extern const struct ah_predefined_name asl_predefined_info[];
387 extern const struct ah_device_id asl_device_ids[];
389 #endif /* __ACGLOBAL_H__ */