1 /******************************************************************************
2 *
3 * Name: acglobal.h - Declarations for global variables
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
46
47
48 /*
49 * Ensure that the globals are actually defined and initialized only once.
50 *
51 * The use of these macros allows a single list of globals (here) in order
52 * to simplify maintenance of the code.
53 */
54 #ifdef DEFINE_ACPI_GLOBALS
55 #define ACPI_EXTERN
56 #define ACPI_INIT_GLOBAL(a,b) a=b
57 #else
58 #define ACPI_EXTERN extern
59 #define ACPI_INIT_GLOBAL(a,b) a
60 #endif
61
62 /*
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.
65 */
66 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
67 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
68
69
70 /*****************************************************************************
71 *
72 * Debug support
73 *
74 ****************************************************************************/
75
76 /* Runtime configuration of debug print levels */
77
78 extern u32 acpi_dbg_level;
79 extern u32 acpi_dbg_layer;
80
81 /* Procedure nesting level for debug output */
82
83 extern u32 acpi_gbl_nesting_level;
84
85
86 /*****************************************************************************
87 *
88 * Runtime configuration (static defaults that can be overriden at runtime)
89 *
90 ****************************************************************************/
91
92 /*
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
100 */
101 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_enable_interpreter_slack, FALSE);
102
103 /*
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".
108 */
109 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_all_methods_serialized, FALSE);
110
111 /*
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.
115 */
116 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_create_osi_method, TRUE);
117
118 /*
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.
122 */
123 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_leave_wake_gpes_disabled, TRUE);
124
125
126 /*****************************************************************************
127 *
128 * ACPI Table globals
129 *
130 ****************************************************************************/
131
132 /*
133 * Table pointers.
134 * Although these pointers are somewhat redundant with the global acpi_table,
135 * they are convenient because they are typed pointers.
136 *
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.
139 */
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;
148 /*
149 * Since there may be multiple SSDTs and PSDTS, a single pointer is not
150 * sufficient; Therefore, there isn't one!
151 */
152
153
154 /*
155 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths
156 * If we are running a method that exists in a 32-bit ACPI table.
157 * Use only 32 bits of the Integer for conversion.
158 */
159 ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
160 ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
161 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
162
163 /*
164 * ACPI Table info arrays
165 */
166 extern struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
167 extern struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES];
168
169 /*
170 * Predefined mutex objects. This array contains the
171 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
172 * (The table maps local handles to the real OS handles)
173 */
174 ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX];
175
176
177 /*****************************************************************************
178 *
179 * Miscellaneous globals
180 *
181 ****************************************************************************/
182
183
184 ACPI_EXTERN struct acpi_memory_list acpi_gbl_memory_lists[ACPI_NUM_MEM_LISTS];
185 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
186 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
187 ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
188 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
189 ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
190 ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore;
191
192 ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count;
193 ACPI_EXTERN u32 acpi_gbl_original_mode;
194 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
195 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
196 ACPI_EXTERN u32 acpi_gbl_ps_find_count;
197 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
198 ACPI_EXTERN u16 acpi_gbl_next_table_owner_id;
199 ACPI_EXTERN u16 acpi_gbl_next_method_owner_id;
200 ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
201 ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
202 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
203 ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
204 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
205 ACPI_EXTERN u8 acpi_gbl_global_lock_present;
206 ACPI_EXTERN u8 acpi_gbl_events_initialized;
207 ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
208
209 extern u8 acpi_gbl_shutdown;
210 extern u32 acpi_gbl_startup_flags;
211 extern const u8 acpi_gbl_decode_to8bit[8];
212 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
213 extern const char *acpi_gbl_highest_dstate_names[4];
214 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
215 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
216 extern const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS];
217
218
219 /*****************************************************************************
220 *
221 * Namespace globals
222 *
223 ****************************************************************************/
224
225 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1
226
227 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
228 #define NUM_PREDEFINED_NAMES 10
229 #else
230 #define NUM_PREDEFINED_NAMES 9
231 #endif
232
233 ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
234 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
235 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
236
237 extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES];
238 extern const struct acpi_predefined_names acpi_gbl_pre_defined_names [NUM_PREDEFINED_NAMES];
239
240 #ifdef ACPI_DEBUG_OUTPUT
241 ACPI_EXTERN u32 acpi_gbl_current_node_count;
242 ACPI_EXTERN u32 acpi_gbl_current_node_size;
243 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
244 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer;
245 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer;
246 ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
247 #endif
248
249 /*****************************************************************************
250 *
251 * Interpreter globals
252 *
253 ****************************************************************************/
254
255
256 ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
257
258 /* Control method single step flag */
259
260 ACPI_EXTERN u8 acpi_gbl_cm_single_step;
261
262
263 /*****************************************************************************
264 *
265 * Parser globals
266 *
267 ****************************************************************************/
268
269 ACPI_EXTERN union acpi_parse_object *acpi_gbl_parsed_namespace_root;
270
271 /*****************************************************************************
272 *
273 * Hardware globals
274 *
275 ****************************************************************************/
276
277 extern struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
278 ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
279 ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
280
281
282 /*****************************************************************************
283 *
284 * Event and GPE globals
285 *
286 ****************************************************************************/
287
288 extern struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
289 ACPI_EXTERN struct acpi_fixed_event_handler acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
290 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
291 ACPI_EXTERN struct acpi_gpe_block_info *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
292 ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock;
293
294
295 /*****************************************************************************
296 *
297 * Debugger globals
298 *
299 ****************************************************************************/
300
301
302 ACPI_EXTERN u8 acpi_gbl_db_output_flags;
303
304 #ifdef ACPI_DISASSEMBLER
305
306 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
307 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
308 #endif
309
310
311 #ifdef ACPI_DEBUGGER
312
313 extern u8 acpi_gbl_method_executing;
314 extern u8 acpi_gbl_abort_method;
315 extern u8 acpi_gbl_db_terminate_threads;
316
317 ACPI_EXTERN int optind;
318 ACPI_EXTERN char *optarg;
319
320 ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
321 ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
322 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
323
324
325 ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
326 ACPI_EXTERN char acpi_gbl_db_line_buf[80];
327 ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
328 ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
329 ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
330 ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
331 ACPI_EXTERN char *acpi_gbl_db_buffer;
332 ACPI_EXTERN char *acpi_gbl_db_filename;
333 ACPI_EXTERN u32 acpi_gbl_db_debug_level;
334 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
335 ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr;
336 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
337
338 /*
339 * Statistic globals
340 */
341 ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX+1];
342 ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX+1];
343 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
344 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
345 ACPI_EXTERN u32 acpi_gbl_num_nodes;
346 ACPI_EXTERN u32 acpi_gbl_num_objects;
347
348
349 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
350 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
351 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
352 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
353
354 #endif /* ACPI_DEBUGGER */
355
356
357 #endif /* __ACGLOBAL_H__ */
358
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