1 /****************************************************************************** 2 * 3 * Name: acdispat.h - dispatcher (parser to interpreter interface) 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2012, 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 _ACDISPAT_H_ 45 #define _ACDISPAT_H_ 46 47 #define NAMEOF_LOCAL_NTE "__L0" 48 #define NAMEOF_ARG_NTE "__A0" 49 50 /* 51 * dsargs - execution of dynamic arguments for static objects 52 */ 53 acpi_status 54 acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc); 55 56 acpi_status 57 acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc); 58 59 acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc); 60 61 acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc); 62 63 acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc); 64 65 /* 66 * dscontrol - support for execution control opcodes 67 */ 68 acpi_status 69 acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state, 70 union acpi_parse_object *op); 71 72 acpi_status 73 acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state, 74 union acpi_parse_object *op); 75 76 /* 77 * dsopcode - support for late operand evaluation 78 */ 79 acpi_status 80 acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, 81 union acpi_parse_object *op); 82 83 acpi_status 84 acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, 85 union acpi_parse_object *op); 86 87 acpi_status 88 acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, 89 union acpi_parse_object *op); 90 91 acpi_status 92 acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, 93 union acpi_parse_object *op, 94 union acpi_operand_object *obj_desc); 95 96 acpi_status 97 acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state, 98 union acpi_parse_object *op); 99 100 acpi_status acpi_ds_initialize_region(acpi_handle obj_handle); 101 102 /* 103 * dsexec - Parser/Interpreter interface, method execution callbacks 104 */ 105 acpi_status 106 acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, 107 union acpi_operand_object *result_obj); 108 109 acpi_status 110 acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, 111 union acpi_parse_object **out_op); 112 113 acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state); 114 115 /* 116 * dsfield - Parser/Interpreter interface for AML fields 117 */ 118 acpi_status 119 acpi_ds_create_field(union acpi_parse_object *op, 120 struct acpi_namespace_node *region_node, 121 struct acpi_walk_state *walk_state); 122 123 acpi_status 124 acpi_ds_create_bank_field(union acpi_parse_object *op, 125 struct acpi_namespace_node *region_node, 126 struct acpi_walk_state *walk_state); 127 128 acpi_status 129 acpi_ds_create_index_field(union acpi_parse_object *op, 130 struct acpi_namespace_node *region_node, 131 struct acpi_walk_state *walk_state); 132 133 acpi_status 134 acpi_ds_create_buffer_field(union acpi_parse_object *op, 135 struct acpi_walk_state *walk_state); 136 137 acpi_status 138 acpi_ds_init_field_objects(union acpi_parse_object *op, 139 struct acpi_walk_state *walk_state); 140 141 /* 142 * dsload - Parser/Interpreter interface, pass 1 namespace load callbacks 143 */ 144 acpi_status 145 acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number); 146 147 acpi_status 148 acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state, 149 union acpi_parse_object **out_op); 150 151 acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state); 152 153 /* 154 * dsload - Parser/Interpreter interface, pass 2 namespace load callbacks 155 */ 156 acpi_status 157 acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, 158 union acpi_parse_object **out_op); 159 160 acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state); 161 162 /* 163 * dsmthdat - method data (locals/args) 164 */ 165 acpi_status 166 acpi_ds_store_object_to_local(u8 type, 167 u32 index, 168 union acpi_operand_object *src_desc, 169 struct acpi_walk_state *walk_state); 170 171 acpi_status 172 acpi_ds_method_data_get_entry(u16 opcode, 173 u32 index, 174 struct acpi_walk_state *walk_state, 175 union acpi_operand_object ***node); 176 177 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state); 178 179 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc); 180 181 acpi_status 182 acpi_ds_method_data_get_value(u8 type, 183 u32 index, 184 struct acpi_walk_state *walk_state, 185 union acpi_operand_object **dest_desc); 186 187 acpi_status 188 acpi_ds_method_data_init_args(union acpi_operand_object **params, 189 u32 max_param_count, 190 struct acpi_walk_state *walk_state); 191 192 acpi_status 193 acpi_ds_method_data_get_node(u8 type, 194 u32 index, 195 struct acpi_walk_state *walk_state, 196 struct acpi_namespace_node **node); 197 198 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state); 199 200 /* 201 * dsmethod - Parser/Interpreter interface - control method parsing 202 */ 203 acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node); 204 205 acpi_status 206 acpi_ds_call_control_method(struct acpi_thread_state *thread, 207 struct acpi_walk_state *walk_state, 208 union acpi_parse_object *op); 209 210 acpi_status 211 acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, 212 union acpi_operand_object *return_desc); 213 214 void 215 acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, 216 struct acpi_walk_state *walk_state); 217 218 acpi_status 219 acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, 220 union acpi_operand_object *obj_desc, 221 struct acpi_walk_state *walk_state); 222 223 acpi_status 224 acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state); 225 226 /* 227 * dsinit 228 */ 229 acpi_status 230 acpi_ds_initialize_objects(u32 table_index, 231 struct acpi_namespace_node *start_node); 232 233 /* 234 * dsobject - Parser/Interpreter interface - object initialization and conversion 235 */ 236 acpi_status 237 acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, 238 union acpi_parse_object *op, 239 u32 buffer_length, 240 union acpi_operand_object **obj_desc_ptr); 241 242 acpi_status 243 acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, 244 union acpi_parse_object *op, 245 u32 package_length, 246 union acpi_operand_object **obj_desc); 247 248 acpi_status 249 acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state, 250 union acpi_parse_object *op, 251 u16 opcode, union acpi_operand_object **obj_desc); 252 253 acpi_status 254 acpi_ds_create_node(struct acpi_walk_state *walk_state, 255 struct acpi_namespace_node *node, 256 union acpi_parse_object *op); 257 258 /* 259 * dsutils - Parser/Interpreter interface utility routines 260 */ 261 void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state); 262 263 u8 264 acpi_ds_do_implicit_return(union acpi_operand_object *return_desc, 265 struct acpi_walk_state *walk_state, 266 u8 add_reference); 267 268 u8 269 acpi_ds_is_result_used(union acpi_parse_object *op, 270 struct acpi_walk_state *walk_state); 271 272 void 273 acpi_ds_delete_result_if_not_used(union acpi_parse_object *op, 274 union acpi_operand_object *result_obj, 275 struct acpi_walk_state *walk_state); 276 277 acpi_status 278 acpi_ds_create_operand(struct acpi_walk_state *walk_state, 279 union acpi_parse_object *arg, u32 args_remaining); 280 281 acpi_status 282 acpi_ds_create_operands(struct acpi_walk_state *walk_state, 283 union acpi_parse_object *first_arg); 284 285 acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state); 286 287 void acpi_ds_clear_operands(struct acpi_walk_state *walk_state); 288 289 acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state); 290 291 /* 292 * dswscope - Scope Stack manipulation 293 */ 294 acpi_status 295 acpi_ds_scope_stack_push(struct acpi_namespace_node *node, 296 acpi_object_type type, 297 struct acpi_walk_state *walk_state); 298 299 acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state); 300 301 void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state); 302 303 /* 304 * dswstate - parser WALK_STATE management routines 305 */ 306 acpi_status 307 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state); 308 309 acpi_status 310 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state); 311 312 struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id, 313 union acpi_parse_object 314 *origin, 315 union acpi_operand_object 316 *mth_desc, 317 struct acpi_thread_state 318 *thread); 319 320 acpi_status 321 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, 322 union acpi_parse_object *op, 323 struct acpi_namespace_node *method_node, 324 u8 * aml_start, 325 u32 aml_length, 326 struct acpi_evaluate_info *info, u8 pass_number); 327 328 void 329 acpi_ds_obj_stack_pop_and_delete(u32 pop_count, 330 struct acpi_walk_state *walk_state); 331 332 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state); 333 334 struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state 335 *thread); 336 337 void 338 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state, 339 struct acpi_thread_state *thread); 340 341 acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state); 342 343 struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state 344 *thread); 345 346 acpi_status 347 acpi_ds_result_pop(union acpi_operand_object **object, 348 struct acpi_walk_state *walk_state); 349 350 acpi_status 351 acpi_ds_result_push(union acpi_operand_object *object, 352 struct acpi_walk_state *walk_state); 353 354 #endif /* _ACDISPAT_H_ */ 355