1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2006, R. Byron Moore
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
48 * Ensure that the globals are actually defined and initialized only once.
50 * The use of these macros allows a single list of globals (here) in order
51 * to simplify maintenance of the code.
53 #ifdef DEFINE_ACPI_GLOBALS
55 #define ACPI_INIT_GLOBAL(a,b) a=b
57 #define ACPI_EXTERN extern
58 #define ACPI_INIT_GLOBAL(a,b) a
62 * Keep local copies of these FADT-based registers. NOTE: These globals
63 * are first in this file for alignment reasons on 64-bit systems.
65 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
66 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
68 /*****************************************************************************
72 ****************************************************************************/
74 /* Runtime configuration of debug print levels */
76 extern u32 acpi_dbg_level;
77 extern u32 acpi_dbg_layer;
79 /* Procedure nesting level for debug output */
81 extern u32 acpi_gbl_nesting_level;
83 /* Support for dynamic control method tracing mechanism */
85 ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
86 ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
87 ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
88 ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
89 ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
90 ACPI_EXTERN u32 acpi_gbl_trace_flags;
92 /*****************************************************************************
94 * Runtime configuration (static defaults that can be overriden at runtime)
96 ****************************************************************************/
99 * Enable "slack" in the AML interpreter? Default is FALSE, and the
100 * interpreter strictly follows the ACPI specification. Setting to TRUE
101 * allows the interpreter to ignore certain errors and/or bad AML constructs.
103 * Currently, these features are enabled by this flag:
105 * 1) Allow "implicit return" of last value in a control method
106 * 2) Allow access beyond the end of an operation region
107 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
108 * 4) Allow ANY object type to be a source operand for the Store() operator
109 * 5) Allow unresolved references (invalid target name) in package objects
111 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
114 * Automatically serialize ALL control methods? Default is FALSE, meaning
115 * to use the Serialized/not_serialized method flags on a per method basis.
116 * Only change this if the ASL code is poorly written and cannot handle
117 * reentrancy even though methods are marked "not_serialized".
119 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
122 * Create the predefined _OSI method in the namespace? Default is TRUE
123 * because ACPI CA is fully compatible with other ACPI implementations.
124 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
126 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
129 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
130 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
131 * be enabled just before going to sleep.
133 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
135 /*****************************************************************************
139 ****************************************************************************/
143 * Although these pointers are somewhat redundant with the global acpi_table,
144 * they are convenient because they are typed pointers.
146 * These tables are single-table only; meaning that there can be at most one
147 * of each in the system. Each global points to the actual table.
149 ACPI_EXTERN u32 acpi_gbl_table_flags;
150 ACPI_EXTERN u32 acpi_gbl_rsdt_table_count;
151 ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP;
152 ACPI_EXTERN XSDT_DESCRIPTOR *acpi_gbl_XSDT;
153 ACPI_EXTERN FADT_DESCRIPTOR *acpi_gbl_FADT;
154 ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
155 ACPI_EXTERN FACS_DESCRIPTOR *acpi_gbl_FACS;
156 ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS;
158 * Since there may be multiple SSDTs and PSDTs, a single pointer is not
159 * sufficient; Therefore, there isn't one!
162 /* The root table can be either an RSDT or an XSDT */
164 ACPI_EXTERN u8 acpi_gbl_root_table_type;
165 #define ACPI_TABLE_TYPE_RSDT 'R'
166 #define ACPI_TABLE_TYPE_XSDT 'X'
169 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths:
170 * If we are executing a method that exists in a 32-bit ACPI table,
171 * use only the lower 32 bits of the (internal) 64-bit Integer.
173 ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
174 ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
175 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
178 * ACPI Table info arrays
180 extern struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
181 extern struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES];
184 * Predefined mutex objects. This array contains the
185 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
186 * (The table maps local handles to the real OS handles)
188 ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX];
190 /*****************************************************************************
192 * Miscellaneous globals
194 ****************************************************************************/
196 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
198 /* Lists for tracking memory allocations */
200 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
201 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
206 ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
207 ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
208 ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
209 ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
211 /* Global handlers */
213 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
214 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
215 ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
216 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
217 ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
218 ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore;
222 ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count;
223 ACPI_EXTERN u32 acpi_gbl_original_mode;
224 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
225 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
226 ACPI_EXTERN u32 acpi_gbl_ps_find_count;
227 ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
228 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
229 ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
230 ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
231 ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
232 ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
233 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
234 ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
235 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
236 ACPI_EXTERN u8 acpi_gbl_global_lock_present;
237 ACPI_EXTERN u8 acpi_gbl_events_initialized;
238 ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
240 extern u8 acpi_gbl_shutdown;
241 extern u32 acpi_gbl_startup_flags;
242 extern const u8 acpi_gbl_decode_to8bit[8];
243 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
244 extern const char *acpi_gbl_highest_dstate_names[4];
245 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
246 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
247 extern const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS];
249 /*****************************************************************************
253 ****************************************************************************/
255 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1
257 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
258 #define NUM_PREDEFINED_NAMES 10
260 #define NUM_PREDEFINED_NAMES 9
263 ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
264 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
265 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
267 extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES];
268 extern const struct acpi_predefined_names
269 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
271 #ifdef ACPI_DEBUG_OUTPUT
272 ACPI_EXTERN u32 acpi_gbl_current_node_count;
273 ACPI_EXTERN u32 acpi_gbl_current_node_size;
274 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
275 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer;
276 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer;
277 ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
280 /*****************************************************************************
282 * Interpreter globals
284 ****************************************************************************/
286 ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
288 /* Control method single step flag */
290 ACPI_EXTERN u8 acpi_gbl_cm_single_step;
292 /*****************************************************************************
296 ****************************************************************************/
298 ACPI_EXTERN union acpi_parse_object *acpi_gbl_parsed_namespace_root;
300 /*****************************************************************************
304 ****************************************************************************/
306 extern struct acpi_bit_register_info
307 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
308 ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
309 ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
311 /*****************************************************************************
313 * Event and GPE globals
315 ****************************************************************************/
317 extern struct acpi_fixed_event_info
318 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
319 ACPI_EXTERN struct acpi_fixed_event_handler
320 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
321 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
322 ACPI_EXTERN struct acpi_gpe_block_info
323 *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
324 ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock;
326 /*****************************************************************************
330 ****************************************************************************/
332 ACPI_EXTERN u8 acpi_gbl_db_output_flags;
334 #ifdef ACPI_DISASSEMBLER
336 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
337 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
342 extern u8 acpi_gbl_method_executing;
343 extern u8 acpi_gbl_abort_method;
344 extern u8 acpi_gbl_db_terminate_threads;
346 ACPI_EXTERN int optind;
347 ACPI_EXTERN char *optarg;
349 ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
350 ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
351 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
353 ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
354 ACPI_EXTERN char acpi_gbl_db_line_buf[80];
355 ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
356 ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
357 ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
358 ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
359 ACPI_EXTERN char *acpi_gbl_db_buffer;
360 ACPI_EXTERN char *acpi_gbl_db_filename;
361 ACPI_EXTERN u32 acpi_gbl_db_debug_level;
362 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
363 ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr;
364 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
369 ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
370 ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
371 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
372 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
373 ACPI_EXTERN u32 acpi_gbl_num_nodes;
374 ACPI_EXTERN u32 acpi_gbl_num_objects;
376 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
377 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
378 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
379 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
381 #endif /* ACPI_DEBUGGER */
383 #endif /* __ACGLOBAL_H__ */