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C/C++ Source or Header  |  2008-12-24  |  10.7 KB  |  346 lines
  1. /******************************************************************************
  2.  *
  3.  * Name: acdispat.h - dispatcher (parser to interpreter interface)
  4.  *
  5.  *****************************************************************************/
  6.  
  7. /*
  8.  * Copyright (C) 2000 - 2008, 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.  * dsopcode - support for late evaluation
  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. acpi_status
  66. acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
  67.                    union acpi_parse_object *op);
  68.  
  69. acpi_status
  70. acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
  71.                  union acpi_parse_object *op);
  72.  
  73. acpi_status
  74. acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
  75.                    union acpi_parse_object *op);
  76.  
  77. acpi_status
  78. acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
  79.                   union acpi_parse_object *op,
  80.                   union acpi_operand_object *obj_desc);
  81.  
  82. acpi_status
  83. acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
  84.                  union acpi_parse_object *op);
  85.  
  86. acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
  87.  
  88. /*
  89.  * dsctrl - Parser/Interpreter interface, control stack routines
  90.  */
  91. acpi_status
  92. acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
  93.                   union acpi_parse_object *op);
  94.  
  95. acpi_status
  96. acpi_ds_exec_end_control_op(struct acpi_walk_state *walk_state,
  97.                 union acpi_parse_object *op);
  98.  
  99. /*
  100.  * dsexec - Parser/Interpreter interface, method execution callbacks
  101.  */
  102. acpi_status
  103. acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
  104.                 union acpi_operand_object *result_obj);
  105.  
  106. acpi_status
  107. acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
  108.               union acpi_parse_object **out_op);
  109.  
  110. acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
  111.  
  112. /*
  113.  * dsfield - Parser/Interpreter interface for AML fields
  114.  */
  115. acpi_status
  116. acpi_ds_create_field(union acpi_parse_object *op,
  117.              struct acpi_namespace_node *region_node,
  118.              struct acpi_walk_state *walk_state);
  119.  
  120. acpi_status
  121. acpi_ds_create_bank_field(union acpi_parse_object *op,
  122.               struct acpi_namespace_node *region_node,
  123.               struct acpi_walk_state *walk_state);
  124.  
  125. acpi_status
  126. acpi_ds_create_index_field(union acpi_parse_object *op,
  127.                struct acpi_namespace_node *region_node,
  128.                struct acpi_walk_state *walk_state);
  129.  
  130. acpi_status
  131. acpi_ds_create_buffer_field(union acpi_parse_object *op,
  132.                 struct acpi_walk_state *walk_state);
  133.  
  134. acpi_status
  135. acpi_ds_init_field_objects(union acpi_parse_object *op,
  136.                struct acpi_walk_state *walk_state);
  137.  
  138. /*
  139.  * dsload - Parser/Interpreter interface, namespace load callbacks
  140.  */
  141. acpi_status
  142. acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
  143.                union acpi_parse_object **out_op);
  144.  
  145. acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
  146.  
  147. acpi_status
  148. acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
  149.                union acpi_parse_object **out_op);
  150.  
  151. acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
  152.  
  153. acpi_status
  154. acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
  155.  
  156. /*
  157.  * dsmthdat - method data (locals/args)
  158.  */
  159. acpi_status
  160. acpi_ds_store_object_to_local(u8 type,
  161.                   u32 index,
  162.                   union acpi_operand_object *src_desc,
  163.                   struct acpi_walk_state *walk_state);
  164.  
  165. acpi_status
  166. acpi_ds_method_data_get_entry(u16 opcode,
  167.                   u32 index,
  168.                   struct acpi_walk_state *walk_state,
  169.                   union acpi_operand_object ***node);
  170.  
  171. void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
  172.  
  173. u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
  174.  
  175. acpi_status
  176. acpi_ds_method_data_get_value(u8 type,
  177.                   u32 index,
  178.                   struct acpi_walk_state *walk_state,
  179.                   union acpi_operand_object **dest_desc);
  180.  
  181. acpi_status
  182. acpi_ds_method_data_init_args(union acpi_operand_object **params,
  183.                   u32 max_param_count,
  184.                   struct acpi_walk_state *walk_state);
  185.  
  186. acpi_status
  187. acpi_ds_method_data_get_node(u8 type,
  188.                  u32 index,
  189.                  struct acpi_walk_state *walk_state,
  190.                  struct acpi_namespace_node **node);
  191.  
  192. void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
  193.  
  194. /*
  195.  * dsmethod - Parser/Interpreter interface - control method parsing
  196.  */
  197. acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
  198.  
  199. acpi_status
  200. acpi_ds_call_control_method(struct acpi_thread_state *thread,
  201.                 struct acpi_walk_state *walk_state,
  202.                 union acpi_parse_object *op);
  203.  
  204. acpi_status
  205. acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
  206.                    union acpi_operand_object *return_desc);
  207.  
  208. void
  209. acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
  210.                  struct acpi_walk_state *walk_state);
  211.  
  212. acpi_status
  213. acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
  214.                    union acpi_operand_object *obj_desc,
  215.                    struct acpi_walk_state *walk_state);
  216.  
  217. acpi_status
  218. acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
  219.  
  220. /*
  221.  * dsinit
  222.  */
  223. acpi_status
  224. acpi_ds_initialize_objects(u32 table_index,
  225.                struct acpi_namespace_node *start_node);
  226.  
  227. /*
  228.  * dsobject - Parser/Interpreter interface - object initialization and conversion
  229.  */
  230. acpi_status
  231. acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
  232.                   union acpi_parse_object *op,
  233.                   u32 buffer_length,
  234.                   union acpi_operand_object **obj_desc_ptr);
  235.  
  236. acpi_status
  237. acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
  238.                    union acpi_parse_object *op,
  239.                    u32 package_length,
  240.                    union acpi_operand_object **obj_desc);
  241.  
  242. acpi_status
  243. acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
  244.                 union acpi_parse_object *op,
  245.                 u16 opcode, union acpi_operand_object **obj_desc);
  246.  
  247. acpi_status
  248. acpi_ds_create_node(struct acpi_walk_state *walk_state,
  249.             struct acpi_namespace_node *node,
  250.             union acpi_parse_object *op);
  251.  
  252. /*
  253.  * dsutils - Parser/Interpreter interface utility routines
  254.  */
  255. void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
  256.  
  257. u8
  258. acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
  259.                struct acpi_walk_state *walk_state,
  260.                u8 add_reference);
  261.  
  262. u8
  263. acpi_ds_is_result_used(union acpi_parse_object *op,
  264.                struct acpi_walk_state *walk_state);
  265.  
  266. void
  267. acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
  268.                   union acpi_operand_object *result_obj,
  269.                   struct acpi_walk_state *walk_state);
  270.  
  271. acpi_status
  272. acpi_ds_create_operand(struct acpi_walk_state *walk_state,
  273.                union acpi_parse_object *arg, u32 args_remaining);
  274.  
  275. acpi_status
  276. acpi_ds_create_operands(struct acpi_walk_state *walk_state,
  277.             union acpi_parse_object *first_arg);
  278.  
  279. acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
  280.  
  281. void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
  282.  
  283. acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
  284.  
  285. /*
  286.  * dswscope - Scope Stack manipulation
  287.  */
  288. acpi_status
  289. acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
  290.              acpi_object_type type,
  291.              struct acpi_walk_state *walk_state);
  292.  
  293. acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
  294.  
  295. void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
  296.  
  297. /*
  298.  * dswstate - parser WALK_STATE management routines
  299.  */
  300. acpi_status
  301. acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
  302.  
  303. acpi_status
  304. acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
  305.  
  306. struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
  307.                           *origin, union acpi_operand_object
  308.                           *mth_desc, struct acpi_thread_state
  309.                           *thread);
  310.  
  311. acpi_status
  312. acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
  313.               union acpi_parse_object *op,
  314.               struct acpi_namespace_node *method_node,
  315.               u8 * aml_start,
  316.               u32 aml_length,
  317.               struct acpi_evaluate_info *info, u8 pass_number);
  318.  
  319. void
  320. acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
  321.                  struct acpi_walk_state *walk_state);
  322.  
  323. void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
  324.  
  325. struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
  326.                            *thread);
  327.  
  328. void
  329. acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
  330.             struct acpi_thread_state *thread);
  331.  
  332. acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
  333.  
  334. struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
  335.                                *thread);
  336.  
  337. acpi_status
  338. acpi_ds_result_pop(union acpi_operand_object **object,
  339.            struct acpi_walk_state *walk_state);
  340.  
  341. acpi_status
  342. acpi_ds_result_push(union acpi_operand_object *object,
  343.             struct acpi_walk_state *walk_state);
  344.  
  345. #endif                /* _ACDISPAT_H_ */
  346.