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);
62 #if (!ACPI_REDUCED_HARDWARE)
63 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
64 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs32);
65 ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs64);
67 #endif /* !ACPI_REDUCED_HARDWARE */
69 /* These addresses are calculated from the FADT Event Block addresses */
71 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
72 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
74 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
75 ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
78 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
79 * determined by the revision of the DSDT: If the DSDT revision is less than
80 * 2, use only the lower 32 bits of the internal 64-bit Integer.
82 ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
83 ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
84 ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
86 /*****************************************************************************
88 * Mutual exclusion within ACPICA subsystem
90 ****************************************************************************/
93 * Predefined mutex objects. This array contains the
94 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
95 * (The table maps local handles to the real OS handles)
97 ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
100 * Global lock mutex is an actual AML mutex object
101 * Global lock semaphore works in conjunction with the actual global lock
102 * Global lock spinlock is used for "pending" handshake
104 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
105 ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
106 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
107 ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
108 ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
109 ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
110 ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
113 * Spinlocks are used for interfaces that can be possibly called at
116 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock); /* For GPE data structs and registers */
117 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock); /* For ACPI H/W except GPE registers */
118 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
120 /* Mutex for _OSI support */
122 ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
124 /* Reader/Writer lock is used for namespace walk and dynamic table unload */
126 ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
128 /*****************************************************************************
130 * Miscellaneous globals
132 ****************************************************************************/
136 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
137 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
138 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
139 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
140 ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
144 ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
145 ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
147 /* Global handlers */
149 ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
150 ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
151 ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
152 ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
153 ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
154 ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
155 ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
157 /* Owner ID support */
159 ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
160 ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
161 ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
163 /* Initialization sequencing */
165 ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed);
169 ACPI_GLOBAL(u32, acpi_gbl_original_mode);
170 ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
171 ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
172 ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
173 ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
174 ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
175 ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
176 ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
177 ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
178 ACPI_GLOBAL(struct acpi_address_range *,
179 acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
181 /* Other miscellaneous, declared and initialized in utglobal */
183 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
184 extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
185 extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
186 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
187 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
189 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
191 /* Lists for tracking memory allocations (debug only) */
193 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
194 ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
195 ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
196 ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
199 /*****************************************************************************
203 ****************************************************************************/
205 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
206 #define NUM_PREDEFINED_NAMES 10
208 #define NUM_PREDEFINED_NAMES 9
211 ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
212 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
213 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
214 ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
216 extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
217 extern const struct acpi_predefined_names
218 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
220 #ifdef ACPI_DEBUG_OUTPUT
221 ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
222 ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
223 ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
224 ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
225 ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
226 ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
227 ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
230 /*****************************************************************************
232 * Interpreter globals
234 ****************************************************************************/
236 ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
238 /* Control method single step flag */
240 ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
242 /*****************************************************************************
246 ****************************************************************************/
248 extern struct acpi_bit_register_info
249 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
251 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
252 ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
254 /*****************************************************************************
256 * Event and GPE globals
258 ****************************************************************************/
260 #if (!ACPI_REDUCED_HARDWARE)
262 ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
263 ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
264 ACPI_GLOBAL(struct acpi_gpe_block_info *,
265 acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
266 ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
267 ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
268 ACPI_GLOBAL(struct acpi_fixed_event_handler,
269 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
271 extern struct acpi_fixed_event_info
272 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
274 #endif /* !ACPI_REDUCED_HARDWARE */
276 /*****************************************************************************
280 ****************************************************************************/
284 ACPI_GLOBAL(u32, acpi_method_count);
285 ACPI_GLOBAL(u32, acpi_gpe_count);
286 ACPI_GLOBAL(u32, acpi_sci_count);
287 ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
289 /* Support for dynamic control method tracing mechanism */
291 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
292 ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
293 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level);
294 ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer);
296 /*****************************************************************************
298 * Debugger and Disassembler globals
300 ****************************************************************************/
302 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
304 #ifdef ACPI_DISASSEMBLER
306 /* Do not disassemble buffers to resource descriptors */
308 ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
309 ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
310 ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
311 ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
313 ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm);
314 ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose);
315 ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
316 ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
317 ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
318 ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
323 ACPI_INIT_GLOBAL(u8, acpi_gbl_db_terminate_threads, FALSE);
324 ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
325 ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
327 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
328 ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
329 ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
330 ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
331 ACPI_GLOBAL(char *, acpi_gbl_db_filename);
332 ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
333 ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
334 ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
336 ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
337 ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
339 /* These buffers should all be the same size */
341 ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
342 ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
343 ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
344 ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
349 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
350 ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]);
351 ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
352 ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
353 ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
354 ACPI_GLOBAL(u32, acpi_gbl_num_objects);
356 #endif /* ACPI_DEBUGGER */
358 /*****************************************************************************
360 * Application globals
362 ****************************************************************************/
364 #ifdef ACPI_APPLICATION
366 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
367 ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
371 ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock); /* For print buffer */
372 ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
374 #endif /* ACPI_APPLICATION */
376 /*****************************************************************************
380 ****************************************************************************/
382 extern const struct ah_predefined_name asl_predefined_info[];
383 extern const struct ah_device_id asl_device_ids[];
385 #endif /* __ACGLOBAL_H__ */