include/acpi/acdispat.h

   1 /******************************************************************************
   2  *
   3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
   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
  45 #ifndef _ACDISPAT_H_
  46 #define _ACDISPAT_H_
  47
  48
  49 #define NAMEOF_LOCAL_NTE    "__L0"
  50 #define NAMEOF_ARG_NTE      "__A0"
  51
  52
  53 /*
  54  * dsopcode - support for late evaluation
  55  */
  56 acpi_status
  57 acpi_ds_get_buffer_field_arguments (
  58         union acpi_operand_object       *obj_desc);
  59
  60 acpi_status
  61 acpi_ds_get_region_arguments (
  62         union acpi_operand_object       *rgn_desc);
  63
  64 acpi_status
  65 acpi_ds_get_buffer_arguments (
  66         union acpi_operand_object       *obj_desc);
  67
  68 acpi_status
  69 acpi_ds_get_package_arguments (
  70         union acpi_operand_object       *obj_desc);
  71
  72 acpi_status
  73 acpi_ds_eval_buffer_field_operands (
  74         struct acpi_walk_state          *walk_state,
  75         union acpi_parse_object         *op);
  76
  77 acpi_status
  78 acpi_ds_eval_region_operands (
  79         struct acpi_walk_state          *walk_state,
  80         union acpi_parse_object         *op);
  81
  82 acpi_status
  83 acpi_ds_eval_data_object_operands (
  84         struct acpi_walk_state          *walk_state,
  85         union acpi_parse_object         *op,
  86         union acpi_operand_object       *obj_desc);
  87
  88 acpi_status
  89 acpi_ds_initialize_region (
  90         acpi_handle                     obj_handle);
  91
  92
  93 /*
  94  * dsctrl - Parser/Interpreter interface, control stack routines
  95  */
  96 acpi_status
  97 acpi_ds_exec_begin_control_op (
  98         struct acpi_walk_state          *walk_state,
  99         union acpi_parse_object         *op);
 100
 101 acpi_status
 102 acpi_ds_exec_end_control_op (
 103         struct acpi_walk_state          *walk_state,
 104         union acpi_parse_object         *op);
 105
 106
 107 /*
 108  * dsexec - Parser/Interpreter interface, method execution callbacks
 109  */
 110 acpi_status
 111 acpi_ds_get_predicate_value (
 112         struct acpi_walk_state          *walk_state,
 113         union acpi_operand_object       *result_obj);
 114
 115 acpi_status
 116 acpi_ds_exec_begin_op (
 117         struct acpi_walk_state          *walk_state,
 118         union acpi_parse_object         **out_op);
 119
 120 acpi_status
 121 acpi_ds_exec_end_op (
 122         struct acpi_walk_state          *state);
 123
 124
 125 /*
 126  * dsfield - Parser/Interpreter interface for AML fields
 127  */
 128 acpi_status
 129 acpi_ds_create_field (
 130         union acpi_parse_object         *op,
 131         struct acpi_namespace_node      *region_node,
 132         struct acpi_walk_state          *walk_state);
 133
 134 acpi_status
 135 acpi_ds_create_bank_field (
 136         union acpi_parse_object         *op,
 137         struct acpi_namespace_node      *region_node,
 138         struct acpi_walk_state          *walk_state);
 139
 140 acpi_status
 141 acpi_ds_create_index_field (
 142         union acpi_parse_object         *op,
 143         struct acpi_namespace_node      *region_node,
 144         struct acpi_walk_state          *walk_state);
 145
 146 acpi_status
 147 acpi_ds_create_buffer_field (
 148         union acpi_parse_object         *op,
 149         struct acpi_walk_state          *walk_state);
 150
 151 acpi_status
 152 acpi_ds_init_field_objects (
 153         union acpi_parse_object         *op,
 154         struct acpi_walk_state          *walk_state);
 155
 156
 157 /*
 158  * dsload - Parser/Interpreter interface, namespace load callbacks
 159  */
 160 acpi_status
 161 acpi_ds_load1_begin_op (
 162         struct acpi_walk_state          *walk_state,
 163         union acpi_parse_object         **out_op);
 164
 165 acpi_status
 166 acpi_ds_load1_end_op (
 167         struct acpi_walk_state          *walk_state);
 168
 169 acpi_status
 170 acpi_ds_load2_begin_op (
 171         struct acpi_walk_state          *walk_state,
 172         union acpi_parse_object         **out_op);
 173
 174 acpi_status
 175 acpi_ds_load2_end_op (
 176         struct acpi_walk_state          *walk_state);
 177
 178 acpi_status
 179 acpi_ds_init_callbacks (
 180         struct acpi_walk_state          *walk_state,
 181         u32                             pass_number);
 182
 183
 184 /*
 185  * dsmthdat - method data (locals/args)
 186  */
 187 acpi_status
 188 acpi_ds_store_object_to_local (
 189         u16                             opcode,
 190         u32                             index,
 191         union acpi_operand_object       *src_desc,
 192         struct acpi_walk_state          *walk_state);
 193
 194 acpi_status
 195 acpi_ds_method_data_get_entry (
 196         u16                             opcode,
 197         u32                             index,
 198         struct acpi_walk_state          *walk_state,
 199         union acpi_operand_object       ***node);
 200
 201 void
 202 acpi_ds_method_data_delete_all (
 203         struct acpi_walk_state          *walk_state);
 204
 205 u8
 206 acpi_ds_is_method_value (
 207         union acpi_operand_object       *obj_desc);
 208
 209 acpi_status
 210 acpi_ds_method_data_get_value (
 211         u16                             opcode,
 212         u32                             index,
 213         struct acpi_walk_state          *walk_state,
 214         union acpi_operand_object       **dest_desc);
 215
 216 acpi_status
 217 acpi_ds_method_data_init_args (
 218         union acpi_operand_object       **params,
 219         u32                             max_param_count,
 220         struct acpi_walk_state          *walk_state);
 221
 222 acpi_status
 223 acpi_ds_method_data_get_node (
 224         u16                             opcode,
 225         u32                             index,
 226         struct acpi_walk_state          *walk_state,
 227         struct acpi_namespace_node      **node);
 228
 229 void
 230 acpi_ds_method_data_init (
 231         struct acpi_walk_state          *walk_state);
 232
 233
 234 /*
 235  * dsmethod - Parser/Interpreter interface - control method parsing
 236  */
 237 acpi_status
 238 acpi_ds_parse_method (
 239         acpi_handle                     obj_handle);
 240
 241 acpi_status
 242 acpi_ds_call_control_method (
 243         struct acpi_thread_state        *thread,
 244         struct acpi_walk_state          *walk_state,
 245         union acpi_parse_object         *op);
 246
 247 acpi_status
 248 acpi_ds_restart_control_method (
 249         struct acpi_walk_state          *walk_state,
 250         union acpi_operand_object       *return_desc);
 251
 252 acpi_status
 253 acpi_ds_terminate_control_method (
 254         struct acpi_walk_state          *walk_state);
 255
 256 acpi_status
 257 acpi_ds_begin_method_execution (
 258         struct acpi_namespace_node      *method_node,
 259         union acpi_operand_object       *obj_desc,
 260         struct acpi_namespace_node      *calling_method_node);
 261
 262
 263 /*
 264  * dsinit
 265  */
 266 acpi_status
 267 acpi_ds_initialize_objects (
 268         struct acpi_table_desc          *table_desc,
 269         struct acpi_namespace_node      *start_node);
 270
 271
 272 /*
 273  * dsobject - Parser/Interpreter interface - object initialization and conversion
 274  */
 275 acpi_status
 276 acpi_ds_build_internal_buffer_obj (
 277         struct acpi_walk_state          *walk_state,
 278         union acpi_parse_object         *op,
 279         u32                             buffer_length,
 280         union acpi_operand_object       **obj_desc_ptr);
 281
 282 acpi_status
 283 acpi_ds_build_internal_package_obj (
 284         struct acpi_walk_state          *walk_state,
 285         union acpi_parse_object         *op,
 286         u32                             package_length,
 287         union acpi_operand_object       **obj_desc);
 288
 289 acpi_status
 290 acpi_ds_init_object_from_op (
 291         struct acpi_walk_state          *walk_state,
 292         union acpi_parse_object         *op,
 293         u16                             opcode,
 294         union acpi_operand_object       **obj_desc);
 295
 296 acpi_status
 297 acpi_ds_create_node (
 298         struct acpi_walk_state          *walk_state,
 299         struct acpi_namespace_node      *node,
 300         union acpi_parse_object         *op);
 301
 302
 303 /*
 304  * dsutils - Parser/Interpreter interface utility routines
 305  */
 306 void
 307 acpi_ds_clear_implicit_return (
 308         struct acpi_walk_state          *walk_state);
 309
 310 u8
 311 acpi_ds_do_implicit_return (
 312         union acpi_operand_object       *return_desc,
 313         struct acpi_walk_state          *walk_state,
 314         u8                              add_reference);
 315
 316 u8
 317 acpi_ds_is_result_used (
 318         union acpi_parse_object         *op,
 319         struct acpi_walk_state          *walk_state);
 320
 321 void
 322 acpi_ds_delete_result_if_not_used (
 323         union acpi_parse_object         *op,
 324         union acpi_operand_object       *result_obj,
 325         struct acpi_walk_state          *walk_state);
 326
 327 acpi_status
 328 acpi_ds_create_operand (
 329         struct acpi_walk_state          *walk_state,
 330         union acpi_parse_object         *arg,
 331         u32                             args_remaining);
 332
 333 acpi_status
 334 acpi_ds_create_operands (
 335         struct acpi_walk_state          *walk_state,
 336         union acpi_parse_object         *first_arg);
 337
 338 acpi_status
 339 acpi_ds_resolve_operands (
 340         struct acpi_walk_state          *walk_state);
 341
 342 void
 343 acpi_ds_clear_operands (
 344         struct acpi_walk_state          *walk_state);
 345
 346
 347 /*
 348  * dswscope - Scope Stack manipulation
 349  */
 350 acpi_status
 351 acpi_ds_scope_stack_push (
 352         struct acpi_namespace_node      *node,
 353         acpi_object_type                type,
 354         struct acpi_walk_state          *walk_state);
 355
 356
 357 acpi_status
 358 acpi_ds_scope_stack_pop (
 359         struct acpi_walk_state          *walk_state);
 360
 361 void
 362 acpi_ds_scope_stack_clear (
 363         struct acpi_walk_state          *walk_state);
 364
 365
 366 /*
 367  * dswstate - parser WALK_STATE management routines
 368  */
 369 acpi_status
 370 acpi_ds_obj_stack_push (
 371         void                            *object,
 372         struct acpi_walk_state          *walk_state);
 373
 374 acpi_status
 375 acpi_ds_obj_stack_pop (
 376         u32                             pop_count,
 377         struct acpi_walk_state          *walk_state);
 378
 379 struct acpi_walk_state *
 380 acpi_ds_create_walk_state (
 381         acpi_owner_id                   owner_id,
 382         union acpi_parse_object         *origin,
 383         union acpi_operand_object       *mth_desc,
 384         struct acpi_thread_state        *thread);
 385
 386 acpi_status
 387 acpi_ds_init_aml_walk (
 388         struct acpi_walk_state          *walk_state,
 389         union acpi_parse_object         *op,
 390         struct acpi_namespace_node      *method_node,
 391         u8                              *aml_start,
 392         u32                             aml_length,
 393         struct acpi_parameter_info      *info,
 394         u32                             pass_number);
 395
 396 acpi_status
 397 acpi_ds_obj_stack_pop_and_delete (
 398         u32                             pop_count,
 399         struct acpi_walk_state          *walk_state);
 400
 401 void
 402 acpi_ds_delete_walk_state (
 403         struct acpi_walk_state          *walk_state);
 404
 405 struct acpi_walk_state *
 406 acpi_ds_pop_walk_state (
 407         struct acpi_thread_state        *thread);
 408
 409 void
 410 acpi_ds_push_walk_state (
 411         struct acpi_walk_state          *walk_state,
 412         struct acpi_thread_state        *thread);
 413
 414 acpi_status
 415 acpi_ds_result_stack_pop (
 416         struct acpi_walk_state          *walk_state);
 417
 418 acpi_status
 419 acpi_ds_result_stack_push (
 420         struct acpi_walk_state          *walk_state);
 421
 422 acpi_status
 423 acpi_ds_result_stack_clear (
 424         struct acpi_walk_state          *walk_state);
 425
 426 struct acpi_walk_state *
 427 acpi_ds_get_current_walk_state (
 428         struct acpi_thread_state        *thread);
 429
 430 #ifdef ACPI_FUTURE_USAGE
 431 acpi_status
 432 acpi_ds_result_remove (
 433         union acpi_operand_object       **object,
 434         u32                             index,
 435         struct acpi_walk_state          *walk_state);
 436 #endif
 437
 438 acpi_status
 439 acpi_ds_result_pop (
 440         union acpi_operand_object       **object,
 441         struct acpi_walk_state          *walk_state);
 442
 443 acpi_status
 444 acpi_ds_result_push (
 445         union acpi_operand_object       *object,
 446         struct acpi_walk_state          *walk_state);
 447
 448 acpi_status
 449 acpi_ds_result_pop_from_bottom (
 450         union acpi_operand_object       **object,
 451         struct acpi_walk_state          *walk_state);
 452
 453 #ifdef ACPI_ENABLE_OBJECT_CACHE
 454 void
 455 acpi_ds_delete_walk_state_cache (
 456         void);
 457 #endif
 458
 459 #endif /* _ACDISPAT_H_ */