LXR linux/drivers/acpi/acpica/acglobal.h

   1/******************************************************************************
   2 *
   3 * Name: acglobal.h - Declarations for global variables
   4 *
   5 *****************************************************************************/
   6
   7/*
   8 * Copyright (C) 2000 - 2017, Intel Corp.
   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 * Globals related to the ACPI tables
  50 *
  51 ****************************************************************************/
  52
  53/* Master list of all ACPI tables that were found in the RSDT/XSDT */
  54
  55ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list);
  56
  57/* DSDT information. Used to check for DSDT corruption */
  58
  59ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT);
  60ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header);
  61ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX);
  62ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX);
  63ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
  64ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX);
  65
  66#if (!ACPI_REDUCED_HARDWARE)
  67ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
  68
  69#endif                          /* !ACPI_REDUCED_HARDWARE */
  70
  71/* These addresses are calculated from the FADT Event Block addresses */
  72
  73ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_status);
  74ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1a_enable);
  75
  76ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_status);
  77ACPI_GLOBAL(struct acpi_generic_address, acpi_gbl_xpm1b_enable);
  78
  79/*
  80 * Handle both ACPI 1.0 and ACPI 2.0+ Integer widths. The integer width is
  81 * determined by the revision of the DSDT: If the DSDT revision is less than
  82 * 2, use only the lower 32 bits of the internal 64-bit Integer.
  83 */
  84ACPI_GLOBAL(u8, acpi_gbl_integer_bit_width);
  85ACPI_GLOBAL(u8, acpi_gbl_integer_byte_width);
  86ACPI_GLOBAL(u8, acpi_gbl_integer_nybble_width);
  87
  88/*****************************************************************************
  89 *
  90 * Mutual exclusion within ACPICA subsystem
  91 *
  92 ****************************************************************************/
  93
  94/*
  95 * Predefined mutex objects. This array contains the
  96 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
  97 * (The table maps local handles to the real OS handles)
  98 */
  99ACPI_GLOBAL(struct acpi_mutex_info, acpi_gbl_mutex_info[ACPI_NUM_MUTEX]);
 100
 101/*
 102 * Global lock mutex is an actual AML mutex object
 103 * Global lock semaphore works in conjunction with the actual global lock
 104 * Global lock spinlock is used for "pending" handshake
 105 */
 106ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_global_lock_mutex);
 107ACPI_GLOBAL(acpi_semaphore, acpi_gbl_global_lock_semaphore);
 108ACPI_GLOBAL(acpi_spinlock, acpi_gbl_global_lock_pending_lock);
 109ACPI_GLOBAL(u16, acpi_gbl_global_lock_handle);
 110ACPI_GLOBAL(u8, acpi_gbl_global_lock_acquired);
 111ACPI_GLOBAL(u8, acpi_gbl_global_lock_present);
 112ACPI_GLOBAL(u8, acpi_gbl_global_lock_pending);
 113
 114/*
 115 * Spinlocks are used for interfaces that can be possibly called at
 116 * interrupt level
 117 */
 118ACPI_GLOBAL(acpi_spinlock, acpi_gbl_gpe_lock);  /* For GPE data structs and registers */
 119ACPI_GLOBAL(acpi_spinlock, acpi_gbl_hardware_lock);     /* For ACPI H/W except GPE registers */
 120ACPI_GLOBAL(acpi_spinlock, acpi_gbl_reference_count_lock);
 121
 122/* Mutex for _OSI support */
 123
 124ACPI_GLOBAL(acpi_mutex, acpi_gbl_osi_mutex);
 125
 126/* Reader/Writer lock is used for namespace walk and dynamic table unload */
 127
 128ACPI_GLOBAL(struct acpi_rw_lock, acpi_gbl_namespace_rw_lock);
 129
 130/*****************************************************************************
 131 *
 132 * Miscellaneous globals
 133 *
 134 ****************************************************************************/
 135
 136/* Object caches */
 137
 138ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_namespace_cache);
 139ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_state_cache);
 140ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_cache);
 141ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_ps_node_ext_cache);
 142ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache);
 143
 144/* System */
 145
 146ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0);
 147ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE);
 148ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE);
 149
 150/* Global handlers */
 151
 152ACPI_GLOBAL(struct acpi_global_notify_handler, acpi_gbl_global_notify[2]);
 153ACPI_GLOBAL(acpi_exception_handler, acpi_gbl_exception_handler);
 154ACPI_GLOBAL(acpi_init_handler, acpi_gbl_init_handler);
 155ACPI_GLOBAL(acpi_table_handler, acpi_gbl_table_handler);
 156ACPI_GLOBAL(void *, acpi_gbl_table_handler_context);
 157ACPI_GLOBAL(acpi_interface_handler, acpi_gbl_interface_handler);
 158ACPI_GLOBAL(struct acpi_sci_handler_info *, acpi_gbl_sci_handler_list);
 159
 160/* Owner ID support */
 161
 162ACPI_GLOBAL(u32, acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS]);
 163ACPI_GLOBAL(u8, acpi_gbl_last_owner_id_index);
 164ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset);
 165
 166/* Initialization sequencing */
 167
 168ACPI_INIT_GLOBAL(u8, acpi_gbl_namespace_initialized, FALSE);
 169
 170/* Misc */
 171
 172ACPI_GLOBAL(u32, acpi_gbl_original_mode);
 173ACPI_GLOBAL(u32, acpi_gbl_ns_lookup_count);
 174ACPI_GLOBAL(u32, acpi_gbl_ps_find_count);
 175ACPI_GLOBAL(u16, acpi_gbl_pm1_enable_register_save);
 176ACPI_GLOBAL(u8, acpi_gbl_debugger_configuration);
 177ACPI_GLOBAL(u8, acpi_gbl_step_to_next_call);
 178ACPI_GLOBAL(u8, acpi_gbl_acpi_hardware_present);
 179ACPI_GLOBAL(u8, acpi_gbl_events_initialized);
 180ACPI_GLOBAL(struct acpi_interface_info *, acpi_gbl_supported_interfaces);
 181ACPI_GLOBAL(struct acpi_address_range *,
 182            acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]);
 183
 184/* Other miscellaneous, declared and initialized in utglobal */
 185
 186extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
 187extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
 188extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
 189extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
 190extern const char acpi_gbl_lower_hex_digits[];
 191extern const char acpi_gbl_upper_hex_digits[];
 192extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
 193
 194#ifdef ACPI_DBG_TRACK_ALLOCATIONS
 195
 196/* Lists for tracking memory allocations (debug only) */
 197
 198ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_global_list);
 199ACPI_GLOBAL(struct acpi_memory_list *, acpi_gbl_ns_node_list);
 200ACPI_GLOBAL(u8, acpi_gbl_display_final_mem_stats);
 201ACPI_GLOBAL(u8, acpi_gbl_disable_mem_tracking);
 202#endif
 203
 204/*****************************************************************************
 205 *
 206 * Namespace globals
 207 *
 208 ****************************************************************************/
 209
 210#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
 211#define NUM_PREDEFINED_NAMES            10
 212#else
 213#define NUM_PREDEFINED_NAMES            9
 214#endif
 215
 216ACPI_GLOBAL(struct acpi_namespace_node, acpi_gbl_root_node_struct);
 217ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_root_node);
 218ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_fadt_gpe_device);
 219ACPI_GLOBAL(union acpi_operand_object *, acpi_gbl_module_code_list);
 220
 221extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
 222extern const struct acpi_predefined_names
 223    acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
 224
 225#ifdef ACPI_DEBUG_OUTPUT
 226ACPI_GLOBAL(u32, acpi_gbl_current_node_count);
 227ACPI_GLOBAL(u32, acpi_gbl_current_node_size);
 228ACPI_GLOBAL(u32, acpi_gbl_max_concurrent_node_count);
 229ACPI_GLOBAL(acpi_size *, acpi_gbl_entry_stack_pointer);
 230ACPI_GLOBAL(acpi_size *, acpi_gbl_lowest_stack_pointer);
 231ACPI_GLOBAL(u32, acpi_gbl_deepest_nesting);
 232ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
 233#endif
 234
 235/*****************************************************************************
 236 *
 237 * Interpreter globals
 238 *
 239 ****************************************************************************/
 240
 241ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
 242
 243/* Control method single step flag */
 244
 245ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);
 246
 247/*****************************************************************************
 248 *
 249 * Hardware globals
 250 *
 251 ****************************************************************************/
 252
 253extern struct acpi_bit_register_info
 254    acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
 255
 256ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a);
 257ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b);
 258
 259/*****************************************************************************
 260 *
 261 * Event and GPE globals
 262 *
 263 ****************************************************************************/
 264
 265#if (!ACPI_REDUCED_HARDWARE)
 266
 267ACPI_GLOBAL(u8, acpi_gbl_all_gpes_initialized);
 268ACPI_GLOBAL(struct acpi_gpe_xrupt_info *, acpi_gbl_gpe_xrupt_list_head);
 269ACPI_GLOBAL(struct acpi_gpe_block_info *,
 270            acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]);
 271ACPI_GLOBAL(acpi_gbl_event_handler, acpi_gbl_global_event_handler);
 272ACPI_GLOBAL(void *, acpi_gbl_global_event_handler_context);
 273ACPI_GLOBAL(struct acpi_fixed_event_handler,
 274            acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]);
 275
 276extern struct acpi_fixed_event_info
 277    acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
 278
 279#endif                          /* !ACPI_REDUCED_HARDWARE */
 280
 281/*****************************************************************************
 282 *
 283 * Debug support
 284 *
 285 ****************************************************************************/
 286
 287/* Event counters */
 288
 289ACPI_GLOBAL(u32, acpi_method_count);
 290ACPI_GLOBAL(u32, acpi_gpe_count);
 291ACPI_GLOBAL(u32, acpi_sci_count);
 292ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]);
 293
 294/* Support for dynamic control method tracing mechanism */
 295
 296ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level);
 297ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer);
 298
 299/*****************************************************************************
 300 *
 301 * Debugger and Disassembler globals
 302 *
 303 ****************************************************************************/
 304
 305ACPI_INIT_GLOBAL(u8, acpi_gbl_db_output_flags, ACPI_DB_CONSOLE_OUTPUT);
 306
 307#ifdef ACPI_DISASSEMBLER
 308
 309/* Do not disassemble buffers to resource descriptors */
 310
 311ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE);
 312ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE);
 313ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE);
 314ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE);
 315ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE);
 316ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_emit_external_opcodes, FALSE);
 317ACPI_INIT_GLOBAL(u8, acpi_gbl_do_disassembler_optimizations, TRUE);
 318ACPI_INIT_GLOBAL(ACPI_PARSE_OBJECT_LIST, *acpi_gbl_temp_list_head, NULL);
 319
 320ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm);
 321ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing);
 322ACPI_GLOBAL(u8, acpi_gbl_num_external_methods);
 323ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods);
 324ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list);
 325ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
 326#endif
 327
 328#ifdef ACPI_DEBUGGER
 329
 330ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
 331ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID);
 332
 333ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
 334ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
 335ACPI_GLOBAL(u8, acpi_gbl_db_output_to_file);
 336ACPI_GLOBAL(char *, acpi_gbl_db_buffer);
 337ACPI_GLOBAL(char *, acpi_gbl_db_filename);
 338ACPI_GLOBAL(u32, acpi_gbl_db_debug_level);
 339ACPI_GLOBAL(u32, acpi_gbl_db_console_debug_level);
 340ACPI_GLOBAL(struct acpi_namespace_node *, acpi_gbl_db_scope_node);
 341ACPI_GLOBAL(u8, acpi_gbl_db_terminate_loop);
 342ACPI_GLOBAL(u8, acpi_gbl_db_threads_terminated);
 343
 344ACPI_GLOBAL(char *, acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]);
 345ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]);
 346
 347/* These buffers should all be the same size */
 348
 349ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 350ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]);
 351ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]);
 352
 353/*
 354 * Statistic globals
 355 */
 356ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]);
 357ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]);
 358ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc);
 359ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc);
 360ACPI_GLOBAL(u32, acpi_gbl_num_nodes);
 361ACPI_GLOBAL(u32, acpi_gbl_num_objects);
 362
 363#endif                          /* ACPI_DEBUGGER */
 364
 365#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
 366
 367ACPI_GLOBAL(const char, *acpi_gbl_pld_panel_list[]);
 368ACPI_GLOBAL(const char, *acpi_gbl_pld_vertical_position_list[]);
 369ACPI_GLOBAL(const char, *acpi_gbl_pld_horizontal_position_list[]);
 370ACPI_GLOBAL(const char, *acpi_gbl_pld_shape_list[]);
 371
 372ACPI_INIT_GLOBAL(u8, acpi_gbl_disasm_flag, FALSE);
 373
 374#endif
 375
 376/*
 377 * Meant for the -ca option.
 378 */
 379ACPI_INIT_GLOBAL(char *, acpi_gbl_current_inline_comment, NULL);
 380ACPI_INIT_GLOBAL(char *, acpi_gbl_current_end_node_comment, NULL);
 381ACPI_INIT_GLOBAL(char *, acpi_gbl_current_open_brace_comment, NULL);
 382ACPI_INIT_GLOBAL(char *, acpi_gbl_current_close_brace_comment, NULL);
 383
 384ACPI_INIT_GLOBAL(char *, acpi_gbl_root_filename, NULL);
 385ACPI_INIT_GLOBAL(char *, acpi_gbl_current_filename, NULL);
 386ACPI_INIT_GLOBAL(char *, acpi_gbl_current_parent_filename, NULL);
 387ACPI_INIT_GLOBAL(char *, acpi_gbl_current_include_filename, NULL);
 388
 389ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_last_list_head, NULL);
 390
 391ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_head,
 392                 NULL);
 393ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_def_blk_comment_list_tail,
 394                 NULL);
 395
 396ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_head,
 397                 NULL);
 398ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_reg_comment_list_tail,
 399                 NULL);
 400
 401ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_head,
 402                 NULL);
 403ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_inc_comment_list_tail,
 404                 NULL);
 405
 406ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_head,
 407                 NULL);
 408ACPI_INIT_GLOBAL(struct acpi_comment_node, *acpi_gbl_end_blk_comment_list_tail,
 409                 NULL);
 410
 411ACPI_INIT_GLOBAL(struct acpi_comment_addr_node,
 412                 *acpi_gbl_comment_addr_list_head, NULL);
 413
 414ACPI_INIT_GLOBAL(union acpi_parse_object, *acpi_gbl_current_scope, NULL);
 415
 416ACPI_INIT_GLOBAL(struct acpi_file_node, *acpi_gbl_file_tree_root, NULL);
 417
 418ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_reg_comment_cache);
 419ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_comment_addr_cache);
 420ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_file_cache);
 421
 422ACPI_INIT_GLOBAL(u8, gbl_capture_comments, FALSE);
 423
 424ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_asl_conversion, FALSE);
 425ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_conv_debug_file, NULL);
 426
 427ACPI_GLOBAL(char, acpi_gbl_table_sig[4]);
 428
 429/*****************************************************************************
 430 *
 431 * Application globals
 432 *
 433 ****************************************************************************/
 434
 435#ifdef ACPI_APPLICATION
 436
 437ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_debug_file, NULL);
 438ACPI_INIT_GLOBAL(ACPI_FILE, acpi_gbl_output_file, NULL);
 439ACPI_INIT_GLOBAL(u8, acpi_gbl_debug_timeout, FALSE);
 440
 441/* Print buffer */
 442
 443ACPI_GLOBAL(acpi_spinlock, acpi_gbl_print_lock);        /* For print buffer */
 444ACPI_GLOBAL(char, acpi_gbl_print_buffer[1024]);
 445
 446#endif                          /* ACPI_APPLICATION */
 447
 448/*****************************************************************************
 449 *
 450 * Info/help support
 451 *
 452 ****************************************************************************/
 453
 454extern const struct ah_predefined_name asl_predefined_info[];
 455extern const struct ah_device_id asl_device_ids[];
 456
 457#endif                          /* __ACGLOBAL_H__ */
 458