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1/******************************************************************************
2 *
3 * Name: acdispat.h - dispatcher (parser to interpreter interface)
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2011, 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 */
53acpi_status
54acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
55
56acpi_status
57acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
58
59acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
60
61acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
62
63acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
64
65/*
66 * dscontrol - support for execution control opcodes
67 */
68acpi_status
69acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
70 union acpi_parse_object *op);
71
72acpi_status
73acpi_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 */
79acpi_status
80acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
81 union acpi_parse_object *op);
82
83acpi_status
84acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
85 union acpi_parse_object *op);
86
87acpi_status
88acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
89 union acpi_parse_object *op);
90
91acpi_status
92acpi_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
96acpi_status
97acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
98 union acpi_parse_object *op);
99
100acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
101
102/*
103 * dsexec - Parser/Interpreter interface, method execution callbacks
104 */
105acpi_status
106acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
107 union acpi_operand_object *result_obj);
108
109acpi_status
110acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
111 union acpi_parse_object **out_op);
112
113acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
114
115/*
116 * dsfield - Parser/Interpreter interface for AML fields
117 */
118acpi_status
119acpi_ds_create_field(union acpi_parse_object *op,
120 struct acpi_namespace_node *region_node,
121 struct acpi_walk_state *walk_state);
122
123acpi_status
124acpi_ds_create_bank_field(union acpi_parse_object *op,
125 struct acpi_namespace_node *region_node,
126 struct acpi_walk_state *walk_state);
127
128acpi_status
129acpi_ds_create_index_field(union acpi_parse_object *op,
130 struct acpi_namespace_node *region_node,
131 struct acpi_walk_state *walk_state);
132
133acpi_status
134acpi_ds_create_buffer_field(union acpi_parse_object *op,
135 struct acpi_walk_state *walk_state);
136
137acpi_status
138acpi_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 */
144acpi_status
145acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
146
147acpi_status
148acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
149 union acpi_parse_object **out_op);
150
151acpi_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 */
156acpi_status
157acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
158 union acpi_parse_object **out_op);
159
160acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
161
162/*
163 * dsmthdat - method data (locals/args)
164 */
165acpi_status
166acpi_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
171acpi_status
172acpi_ds_method_data_get_entry(u16 opcode,
173 u32 index,
174 struct acpi_walk_state *walk_state,
175 union acpi_operand_object ***node);
176
177void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
178
179u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
180
181acpi_status
182acpi_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
187acpi_status
188acpi_ds_method_data_init_args(union acpi_operand_object **params,
189 u32 max_param_count,
190 struct acpi_walk_state *walk_state);
191
192acpi_status
193acpi_ds_method_data_get_node(u8 type,
194 u32 index,
195 struct acpi_walk_state *walk_state,
196 struct acpi_namespace_node **node);
197
198void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
199
200/*
201 * dsmethod - Parser/Interpreter interface - control method parsing
202 */
203acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
204
205acpi_status
206acpi_ds_call_control_method(struct acpi_thread_state *thread,
207 struct acpi_walk_state *walk_state,
208 union acpi_parse_object *op);
209
210acpi_status
211acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
212 union acpi_operand_object *return_desc);
213
214void
215acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
216 struct acpi_walk_state *walk_state);
217
218acpi_status
219acpi_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
223acpi_status
224acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
225
226/*
227 * dsinit
228 */
229acpi_status
230acpi_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 */
236acpi_status
237acpi_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
242acpi_status
243acpi_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
248acpi_status
249acpi_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
253acpi_status
254acpi_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 */
261void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
262
263u8
264acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
265 struct acpi_walk_state *walk_state,
266 u8 add_reference);
267
268u8
269acpi_ds_is_result_used(union acpi_parse_object *op,
270 struct acpi_walk_state *walk_state);
271
272void
273acpi_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
277acpi_status
278acpi_ds_create_operand(struct acpi_walk_state *walk_state,
279 union acpi_parse_object *arg, u32 args_remaining);
280
281acpi_status
282acpi_ds_create_operands(struct acpi_walk_state *walk_state,
283 union acpi_parse_object *first_arg);
284
285acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
286
287void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
288
289acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
290
291/*
292 * dswscope - Scope Stack manipulation
293 */
294acpi_status
295acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
296 acpi_object_type type,
297 struct acpi_walk_state *walk_state);
298
299acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
300
301void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
302
303/*
304 * dswstate - parser WALK_STATE management routines
305 */
306acpi_status
307acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
308
309acpi_status
310acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
311
312struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
313 *origin, union acpi_operand_object
314 *mth_desc, struct acpi_thread_state
315 *thread);
316
317acpi_status
318acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
319 union acpi_parse_object *op,
320 struct acpi_namespace_node *method_node,
321 u8 * aml_start,
322 u32 aml_length,
323 struct acpi_evaluate_info *info, u8 pass_number);
324
325void
326acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
327 struct acpi_walk_state *walk_state);
328
329void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
330
331struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
332 *thread);
333
334void
335acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
336 struct acpi_thread_state *thread);
337
338acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
339
340struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
341 *thread);
342
343acpi_status
344acpi_ds_result_pop(union acpi_operand_object **object,
345 struct acpi_walk_state *walk_state);
346
347acpi_status
348acpi_ds_result_push(union acpi_operand_object *object,
349 struct acpi_walk_state *walk_state);
350
351#endif /* _ACDISPAT_H_ */
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 */
53acpi_status
54acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc);
55
56acpi_status
57acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc);
58
59acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *rgn_desc);
60
61acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc);
62
63acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc);
64
65/*
66 * dscontrol - support for execution control opcodes
67 */
68acpi_status
69acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
70 union acpi_parse_object *op);
71
72acpi_status
73acpi_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 */
79acpi_status
80acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
81 union acpi_parse_object *op);
82
83acpi_status
84acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
85 union acpi_parse_object *op);
86
87acpi_status
88acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
89 union acpi_parse_object *op);
90
91acpi_status
92acpi_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
96acpi_status
97acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
98 union acpi_parse_object *op);
99
100acpi_status acpi_ds_initialize_region(acpi_handle obj_handle);
101
102/*
103 * dsexec - Parser/Interpreter interface, method execution callbacks
104 */
105acpi_status
106acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
107 union acpi_operand_object *result_obj);
108
109acpi_status
110acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
111 union acpi_parse_object **out_op);
112
113acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *state);
114
115/*
116 * dsfield - Parser/Interpreter interface for AML fields
117 */
118acpi_status
119acpi_ds_create_field(union acpi_parse_object *op,
120 struct acpi_namespace_node *region_node,
121 struct acpi_walk_state *walk_state);
122
123acpi_status
124acpi_ds_create_bank_field(union acpi_parse_object *op,
125 struct acpi_namespace_node *region_node,
126 struct acpi_walk_state *walk_state);
127
128acpi_status
129acpi_ds_create_index_field(union acpi_parse_object *op,
130 struct acpi_namespace_node *region_node,
131 struct acpi_walk_state *walk_state);
132
133acpi_status
134acpi_ds_create_buffer_field(union acpi_parse_object *op,
135 struct acpi_walk_state *walk_state);
136
137acpi_status
138acpi_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 */
144acpi_status
145acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
146
147acpi_status
148acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
149 union acpi_parse_object **out_op);
150
151acpi_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 */
156acpi_status
157acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
158 union acpi_parse_object **out_op);
159
160acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state);
161
162/*
163 * dsmthdat - method data (locals/args)
164 */
165acpi_status
166acpi_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
171acpi_status
172acpi_ds_method_data_get_entry(u16 opcode,
173 u32 index,
174 struct acpi_walk_state *walk_state,
175 union acpi_operand_object ***node);
176
177void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
178
179u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
180
181acpi_status
182acpi_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
187acpi_status
188acpi_ds_method_data_init_args(union acpi_operand_object **params,
189 u32 max_param_count,
190 struct acpi_walk_state *walk_state);
191
192acpi_status
193acpi_ds_method_data_get_node(u8 type,
194 u32 index,
195 struct acpi_walk_state *walk_state,
196 struct acpi_namespace_node **node);
197
198void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
199
200/*
201 * dsmethod - Parser/Interpreter interface - control method parsing
202 */
203acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
204
205acpi_status
206acpi_ds_call_control_method(struct acpi_thread_state *thread,
207 struct acpi_walk_state *walk_state,
208 union acpi_parse_object *op);
209
210acpi_status
211acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
212 union acpi_operand_object *return_desc);
213
214void
215acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
216 struct acpi_walk_state *walk_state);
217
218acpi_status
219acpi_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
223acpi_status
224acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state);
225
226/*
227 * dsinit
228 */
229acpi_status
230acpi_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 */
236acpi_status
237acpi_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
242acpi_status
243acpi_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
248acpi_status
249acpi_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
253acpi_status
254acpi_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 */
261void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state);
262
263u8
264acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
265 struct acpi_walk_state *walk_state,
266 u8 add_reference);
267
268u8
269acpi_ds_is_result_used(union acpi_parse_object *op,
270 struct acpi_walk_state *walk_state);
271
272void
273acpi_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
277acpi_status
278acpi_ds_create_operand(struct acpi_walk_state *walk_state,
279 union acpi_parse_object *arg, u32 args_remaining);
280
281acpi_status
282acpi_ds_create_operands(struct acpi_walk_state *walk_state,
283 union acpi_parse_object *first_arg);
284
285acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state);
286
287void acpi_ds_clear_operands(struct acpi_walk_state *walk_state);
288
289acpi_status acpi_ds_evaluate_name_path(struct acpi_walk_state *walk_state);
290
291/*
292 * dswscope - Scope Stack manipulation
293 */
294acpi_status
295acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
296 acpi_object_type type,
297 struct acpi_walk_state *walk_state);
298
299acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state);
300
301void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state);
302
303/*
304 * dswstate - parser WALK_STATE management routines
305 */
306acpi_status
307acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state);
308
309acpi_status
310acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state);
311
312struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object
313 *origin, union acpi_operand_object
314 *mth_desc, struct acpi_thread_state
315 *thread);
316
317acpi_status
318acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
319 union acpi_parse_object *op,
320 struct acpi_namespace_node *method_node,
321 u8 * aml_start,
322 u32 aml_length,
323 struct acpi_evaluate_info *info, u8 pass_number);
324
325void
326acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
327 struct acpi_walk_state *walk_state);
328
329void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state);
330
331struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state
332 *thread);
333
334void
335acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
336 struct acpi_thread_state *thread);
337
338acpi_status acpi_ds_result_stack_clear(struct acpi_walk_state *walk_state);
339
340struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
341 *thread);
342
343acpi_status
344acpi_ds_result_pop(union acpi_operand_object **object,
345 struct acpi_walk_state *walk_state);
346
347acpi_status
348acpi_ds_result_push(union acpi_operand_object *object,
349 struct acpi_walk_state *walk_state);
350
351#endif /* _ACDISPAT_H_ */