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
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