1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
49 * Ensure that the globals are actually defined and initialized only once.
51 * The use of these macros allows a single list of globals (here) in order
52 * to simplify maintenance of the code.
54 #ifdef DEFINE_ACPI_GLOBALS
56 #define ACPI_INIT_GLOBAL(a,b) a=b
58 #define ACPI_EXTERN extern
59 #define ACPI_INIT_GLOBAL(a,b) a
63 * Keep local copies of these FADT-based registers. NOTE: These globals
64 * are first in this file for alignment reasons on 64-bit systems.
66 ACPI_EXTERN
struct acpi_generic_address acpi_gbl_xpm1a_enable
;
67 ACPI_EXTERN
struct acpi_generic_address acpi_gbl_xpm1b_enable
;
70 /*****************************************************************************
74 ****************************************************************************/
76 /* Runtime configuration of debug print levels */
78 extern u32 acpi_dbg_level
;
79 extern u32 acpi_dbg_layer
;
81 /* Procedure nesting level for debug output */
83 extern u32 acpi_gbl_nesting_level
;
86 /*****************************************************************************
88 * Runtime configuration (static defaults that can be overriden at runtime)
90 ****************************************************************************/
93 * Enable "slack" in the AML interpreter? Default is FALSE, and the
94 * interpreter strictly follows the ACPI specification. Setting to TRUE
95 * allows the interpreter to forgive certain bad AML constructs. Currently:
96 * 1) Allow "implicit return" of last value in a control method
97 * 2) Allow access beyond end of operation region
98 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
99 * 4) Allow ANY object type to be a source operand for the Store() operator
101 ACPI_EXTERN u8
ACPI_INIT_GLOBAL (acpi_gbl_enable_interpreter_slack
, FALSE
);
104 * Automatically serialize ALL control methods? Default is FALSE, meaning
105 * to use the Serialized/not_serialized method flags on a per method basis.
106 * Only change this if the ASL code is poorly written and cannot handle
107 * reentrancy even though methods are marked "not_serialized".
109 ACPI_EXTERN u8
ACPI_INIT_GLOBAL (acpi_gbl_all_methods_serialized
, FALSE
);
112 * Create the predefined _OSI method in the namespace? Default is TRUE
113 * because ACPI CA is fully compatible with other ACPI implementations.
114 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
116 ACPI_EXTERN u8
ACPI_INIT_GLOBAL (acpi_gbl_create_osi_method
, TRUE
);
119 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
120 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
121 * be enabled just before going to sleep.
123 ACPI_EXTERN u8
ACPI_INIT_GLOBAL (acpi_gbl_leave_wake_gpes_disabled
, TRUE
);
126 /*****************************************************************************
130 ****************************************************************************/
134 * Although these pointers are somewhat redundant with the global acpi_table,
135 * they are convenient because they are typed pointers.
137 * These tables are single-table only; meaning that there can be at most one
138 * of each in the system. Each global points to the actual table.
140 ACPI_EXTERN u32 acpi_gbl_table_flags
;
141 ACPI_EXTERN u32 acpi_gbl_rsdt_table_count
;
142 ACPI_EXTERN
struct rsdp_descriptor
*acpi_gbl_RSDP
;
143 ACPI_EXTERN XSDT_DESCRIPTOR
*acpi_gbl_XSDT
;
144 ACPI_EXTERN FADT_DESCRIPTOR
*acpi_gbl_FADT
;
145 ACPI_EXTERN
struct acpi_table_header
*acpi_gbl_DSDT
;
146 ACPI_EXTERN FACS_DESCRIPTOR
*acpi_gbl_FACS
;
147 ACPI_EXTERN
struct acpi_common_facs acpi_gbl_common_fACS
;
149 * Since there may be multiple SSDTs and PSDTs, a single pointer is not
150 * sufficient; Therefore, there isn't one!
154 /* The root table can be either an RSDT or an XSDT */
156 ACPI_EXTERN u8 acpi_gbl_root_table_type
;
157 #define ACPI_TABLE_TYPE_RSDT 'R'
158 #define ACPI_TABLE_TYPE_XSDT 'X'
162 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths:
163 * If we are executing a method that exists in a 32-bit ACPI table,
164 * use only the lower 32 bits of the (internal) 64-bit Integer.
166 ACPI_EXTERN u8 acpi_gbl_integer_bit_width
;
167 ACPI_EXTERN u8 acpi_gbl_integer_byte_width
;
168 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width
;
171 * ACPI Table info arrays
173 extern struct acpi_table_list acpi_gbl_table_lists
[NUM_ACPI_TABLE_TYPES
];
174 extern struct acpi_table_support acpi_gbl_table_data
[NUM_ACPI_TABLE_TYPES
];
177 * Predefined mutex objects. This array contains the
178 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
179 * (The table maps local handles to the real OS handles)
181 ACPI_EXTERN
struct acpi_mutex_info acpi_gbl_mutex_info
[NUM_MUTEX
];
184 /*****************************************************************************
186 * Miscellaneous globals
188 ****************************************************************************/
190 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
192 /* Lists for tracking memory allocations */
194 ACPI_EXTERN
struct acpi_memory_list
*acpi_gbl_global_list
;
195 ACPI_EXTERN
struct acpi_memory_list
*acpi_gbl_ns_node_list
;
200 ACPI_EXTERN acpi_cache_t
*acpi_gbl_state_cache
;
201 ACPI_EXTERN acpi_cache_t
*acpi_gbl_ps_node_cache
;
202 ACPI_EXTERN acpi_cache_t
*acpi_gbl_ps_node_ext_cache
;
203 ACPI_EXTERN acpi_cache_t
*acpi_gbl_operand_cache
;
205 /* Global handlers */
207 ACPI_EXTERN
struct acpi_object_notify_handler acpi_gbl_device_notify
;
208 ACPI_EXTERN
struct acpi_object_notify_handler acpi_gbl_system_notify
;
209 ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler
;
210 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler
;
211 ACPI_EXTERN
struct acpi_walk_state
*acpi_gbl_breakpoint_walk
;
212 ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore
;
216 ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count
;
217 ACPI_EXTERN u32 acpi_gbl_original_mode
;
218 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location
;
219 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count
;
220 ACPI_EXTERN u32 acpi_gbl_ps_find_count
;
221 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save
;
222 ACPI_EXTERN u16 acpi_gbl_next_table_owner_id
;
223 ACPI_EXTERN u16 acpi_gbl_next_method_owner_id
;
224 ACPI_EXTERN u16 acpi_gbl_global_lock_handle
;
225 ACPI_EXTERN u8 acpi_gbl_debugger_configuration
;
226 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired
;
227 ACPI_EXTERN u8 acpi_gbl_step_to_next_call
;
228 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present
;
229 ACPI_EXTERN u8 acpi_gbl_global_lock_present
;
230 ACPI_EXTERN u8 acpi_gbl_events_initialized
;
231 ACPI_EXTERN u8 acpi_gbl_system_awake_and_running
;
233 extern u8 acpi_gbl_shutdown
;
234 extern u32 acpi_gbl_startup_flags
;
235 extern const u8 acpi_gbl_decode_to8bit
[8];
236 extern const char *acpi_gbl_sleep_state_names
[ACPI_S_STATE_COUNT
];
237 extern const char *acpi_gbl_highest_dstate_names
[4];
238 extern const struct acpi_opcode_info acpi_gbl_aml_op_info
[AML_NUM_OPCODES
];
239 extern const char *acpi_gbl_region_types
[ACPI_NUM_PREDEFINED_REGIONS
];
240 extern const char *acpi_gbl_valid_osi_strings
[ACPI_NUM_OSI_STRINGS
];
243 /*****************************************************************************
247 ****************************************************************************/
249 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1
251 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
252 #define NUM_PREDEFINED_NAMES 10
254 #define NUM_PREDEFINED_NAMES 9
257 ACPI_EXTERN
struct acpi_namespace_node acpi_gbl_root_node_struct
;
258 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_root_node
;
259 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_fadt_gpe_device
;
261 extern const u8 acpi_gbl_ns_properties
[NUM_NS_TYPES
];
262 extern const struct acpi_predefined_names acpi_gbl_pre_defined_names
[NUM_PREDEFINED_NAMES
];
264 #ifdef ACPI_DEBUG_OUTPUT
265 ACPI_EXTERN u32 acpi_gbl_current_node_count
;
266 ACPI_EXTERN u32 acpi_gbl_current_node_size
;
267 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count
;
268 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer
;
269 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer
;
270 ACPI_EXTERN u32 acpi_gbl_deepest_nesting
;
274 /*****************************************************************************
276 * Interpreter globals
278 ****************************************************************************/
281 ACPI_EXTERN
struct acpi_thread_state
*acpi_gbl_current_walk_list
;
283 /* Control method single step flag */
285 ACPI_EXTERN u8 acpi_gbl_cm_single_step
;
288 /*****************************************************************************
292 ****************************************************************************/
294 ACPI_EXTERN
union acpi_parse_object
*acpi_gbl_parsed_namespace_root
;
297 /*****************************************************************************
301 ****************************************************************************/
303 extern struct acpi_bit_register_info acpi_gbl_bit_register_info
[ACPI_NUM_BITREG
];
304 ACPI_EXTERN u8 acpi_gbl_sleep_type_a
;
305 ACPI_EXTERN u8 acpi_gbl_sleep_type_b
;
308 /*****************************************************************************
310 * Event and GPE globals
312 ****************************************************************************/
314 extern struct acpi_fixed_event_info acpi_gbl_fixed_event_info
[ACPI_NUM_FIXED_EVENTS
];
315 ACPI_EXTERN
struct acpi_fixed_event_handler acpi_gbl_fixed_event_handlers
[ACPI_NUM_FIXED_EVENTS
];
316 ACPI_EXTERN
struct acpi_gpe_xrupt_info
*acpi_gbl_gpe_xrupt_list_head
;
317 ACPI_EXTERN
struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks
[ACPI_MAX_GPE_BLOCKS
];
318 ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock
;
321 /*****************************************************************************
325 ****************************************************************************/
327 ACPI_EXTERN u8 acpi_gbl_db_output_flags
;
329 #ifdef ACPI_DISASSEMBLER
331 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm
;
332 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose
;
338 extern u8 acpi_gbl_method_executing
;
339 extern u8 acpi_gbl_abort_method
;
340 extern u8 acpi_gbl_db_terminate_threads
;
342 ACPI_EXTERN
int optind
;
343 ACPI_EXTERN
char *optarg
;
345 ACPI_EXTERN u8 acpi_gbl_db_opt_tables
;
346 ACPI_EXTERN u8 acpi_gbl_db_opt_stats
;
347 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods
;
350 ACPI_EXTERN
char *acpi_gbl_db_args
[ACPI_DEBUGGER_MAX_ARGS
];
351 ACPI_EXTERN
char acpi_gbl_db_line_buf
[80];
352 ACPI_EXTERN
char acpi_gbl_db_parsed_buf
[80];
353 ACPI_EXTERN
char acpi_gbl_db_scope_buf
[40];
354 ACPI_EXTERN
char acpi_gbl_db_debug_filename
[40];
355 ACPI_EXTERN u8 acpi_gbl_db_output_to_file
;
356 ACPI_EXTERN
char *acpi_gbl_db_buffer
;
357 ACPI_EXTERN
char *acpi_gbl_db_filename
;
358 ACPI_EXTERN u32 acpi_gbl_db_debug_level
;
359 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level
;
360 ACPI_EXTERN
struct acpi_table_header
*acpi_gbl_db_table_ptr
;
361 ACPI_EXTERN
struct acpi_namespace_node
*acpi_gbl_db_scope_node
;
366 ACPI_EXTERN u16 acpi_gbl_obj_type_count
[ACPI_TYPE_NS_NODE_MAX
+1];
367 ACPI_EXTERN u16 acpi_gbl_node_type_count
[ACPI_TYPE_NS_NODE_MAX
+1];
368 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc
;
369 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc
;
370 ACPI_EXTERN u32 acpi_gbl_num_nodes
;
371 ACPI_EXTERN u32 acpi_gbl_num_objects
;
374 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree
;
375 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees
;
376 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries
;
377 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects
;
379 #endif /* ACPI_DEBUGGER */
381 #endif /* __ACGLOBAL_H__ */