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1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2/******************************************************************************
3 *
4 * Module Name: dsargs - Support for execution of dynamic arguments for static
5 * objects (regions, fields, buffer fields, etc.)
6 *
7 * Copyright (C) 2000 - 2023, Intel Corp.
8 *
9 *****************************************************************************/
10
11#include <acpi/acpi.h>
12#include "accommon.h"
13#include "acparser.h"
14#include "amlcode.h"
15#include "acdispat.h"
16#include "acnamesp.h"
17
18#define _COMPONENT ACPI_DISPATCHER
19ACPI_MODULE_NAME("dsargs")
20
21/* Local prototypes */
22static acpi_status
23acpi_ds_execute_arguments(struct acpi_namespace_node *node,
24 struct acpi_namespace_node *scope_node,
25 u32 aml_length, u8 *aml_start);
26
27/*******************************************************************************
28 *
29 * FUNCTION: acpi_ds_execute_arguments
30 *
31 * PARAMETERS: node - Object NS node
32 * scope_node - Parent NS node
33 * aml_length - Length of executable AML
34 * aml_start - Pointer to the AML
35 *
36 * RETURN: Status.
37 *
38 * DESCRIPTION: Late (deferred) execution of region or field arguments
39 *
40 ******************************************************************************/
41
42static acpi_status
43acpi_ds_execute_arguments(struct acpi_namespace_node *node,
44 struct acpi_namespace_node *scope_node,
45 u32 aml_length, u8 *aml_start)
46{
47 acpi_status status;
48 union acpi_parse_object *op;
49 struct acpi_walk_state *walk_state;
50
51 ACPI_FUNCTION_TRACE_PTR(ds_execute_arguments, aml_start);
52
53 /* Allocate a new parser op to be the root of the parsed tree */
54
55 op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP, aml_start);
56 if (!op) {
57 return_ACPI_STATUS(AE_NO_MEMORY);
58 }
59
60 /* Save the Node for use in acpi_ps_parse_aml */
61
62 op->common.node = scope_node;
63
64 /* Create and initialize a new parser state */
65
66 walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
67 if (!walk_state) {
68 status = AE_NO_MEMORY;
69 goto cleanup;
70 }
71
72 status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
73 aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
74 if (ACPI_FAILURE(status)) {
75 acpi_ds_delete_walk_state(walk_state);
76 goto cleanup;
77 }
78
79 /* Mark this parse as a deferred opcode */
80
81 walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
82 walk_state->deferred_node = node;
83
84 /* Pass1: Parse the entire declaration */
85
86 status = acpi_ps_parse_aml(walk_state);
87 if (ACPI_FAILURE(status)) {
88 goto cleanup;
89 }
90
91 /* Get and init the Op created above */
92
93 op->common.node = node;
94 acpi_ps_delete_parse_tree(op);
95
96 /* Evaluate the deferred arguments */
97
98 op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP, aml_start);
99 if (!op) {
100 return_ACPI_STATUS(AE_NO_MEMORY);
101 }
102
103 op->common.node = scope_node;
104
105 /* Create and initialize a new parser state */
106
107 walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
108 if (!walk_state) {
109 status = AE_NO_MEMORY;
110 goto cleanup;
111 }
112
113 /* Execute the opcode and arguments */
114
115 status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
116 aml_length, NULL, ACPI_IMODE_EXECUTE);
117 if (ACPI_FAILURE(status)) {
118 acpi_ds_delete_walk_state(walk_state);
119 goto cleanup;
120 }
121
122 /* Mark this execution as a deferred opcode */
123
124 walk_state->deferred_node = node;
125 status = acpi_ps_parse_aml(walk_state);
126
127cleanup:
128 acpi_ps_delete_parse_tree(op);
129 return_ACPI_STATUS(status);
130}
131
132/*******************************************************************************
133 *
134 * FUNCTION: acpi_ds_get_buffer_field_arguments
135 *
136 * PARAMETERS: obj_desc - A valid buffer_field object
137 *
138 * RETURN: Status.
139 *
140 * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
141 * evaluation of these field attributes.
142 *
143 ******************************************************************************/
144
145acpi_status
146acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
147{
148 union acpi_operand_object *extra_desc;
149 struct acpi_namespace_node *node;
150 acpi_status status;
151
152 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
153
154 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
155 return_ACPI_STATUS(AE_OK);
156 }
157
158 /* Get the AML pointer (method object) and buffer_field node */
159
160 extra_desc = acpi_ns_get_secondary_object(obj_desc);
161 node = obj_desc->buffer_field.node;
162
163 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
164 (ACPI_TYPE_BUFFER_FIELD, node, NULL));
165
166 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
167 acpi_ut_get_node_name(node)));
168
169 /* Execute the AML code for the term_arg arguments */
170
171 status = acpi_ds_execute_arguments(node, node->parent,
172 extra_desc->extra.aml_length,
173 extra_desc->extra.aml_start);
174 return_ACPI_STATUS(status);
175}
176
177/*******************************************************************************
178 *
179 * FUNCTION: acpi_ds_get_bank_field_arguments
180 *
181 * PARAMETERS: obj_desc - A valid bank_field object
182 *
183 * RETURN: Status.
184 *
185 * DESCRIPTION: Get bank_field bank_value. This implements the late
186 * evaluation of these field attributes.
187 *
188 ******************************************************************************/
189
190acpi_status
191acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
192{
193 union acpi_operand_object *extra_desc;
194 struct acpi_namespace_node *node;
195 acpi_status status;
196
197 ACPI_FUNCTION_TRACE_PTR(ds_get_bank_field_arguments, obj_desc);
198
199 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
200 return_ACPI_STATUS(AE_OK);
201 }
202
203 /* Get the AML pointer (method object) and bank_field node */
204
205 extra_desc = acpi_ns_get_secondary_object(obj_desc);
206 node = obj_desc->bank_field.node;
207
208 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
209 (ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL));
210
211 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n",
212 acpi_ut_get_node_name(node)));
213
214 /* Execute the AML code for the term_arg arguments */
215
216 status = acpi_ds_execute_arguments(node, node->parent,
217 extra_desc->extra.aml_length,
218 extra_desc->extra.aml_start);
219 if (ACPI_FAILURE(status)) {
220 return_ACPI_STATUS(status);
221 }
222
223 status = acpi_ut_add_address_range(obj_desc->region.space_id,
224 obj_desc->region.address,
225 obj_desc->region.length, node);
226 return_ACPI_STATUS(status);
227}
228
229/*******************************************************************************
230 *
231 * FUNCTION: acpi_ds_get_buffer_arguments
232 *
233 * PARAMETERS: obj_desc - A valid Buffer object
234 *
235 * RETURN: Status.
236 *
237 * DESCRIPTION: Get Buffer length and initializer byte list. This implements
238 * the late evaluation of these attributes.
239 *
240 ******************************************************************************/
241
242acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
243{
244 struct acpi_namespace_node *node;
245 acpi_status status;
246
247 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
248
249 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
250 return_ACPI_STATUS(AE_OK);
251 }
252
253 /* Get the Buffer node */
254
255 node = obj_desc->buffer.node;
256 if (!node) {
257 ACPI_ERROR((AE_INFO,
258 "No pointer back to namespace node in buffer object %p",
259 obj_desc));
260 return_ACPI_STATUS(AE_AML_INTERNAL);
261 }
262
263 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n"));
264
265 /* Execute the AML code for the term_arg arguments */
266
267 status = acpi_ds_execute_arguments(node, node,
268 obj_desc->buffer.aml_length,
269 obj_desc->buffer.aml_start);
270 return_ACPI_STATUS(status);
271}
272
273/*******************************************************************************
274 *
275 * FUNCTION: acpi_ds_get_package_arguments
276 *
277 * PARAMETERS: obj_desc - A valid Package object
278 *
279 * RETURN: Status.
280 *
281 * DESCRIPTION: Get Package length and initializer byte list. This implements
282 * the late evaluation of these attributes.
283 *
284 ******************************************************************************/
285
286acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
287{
288 struct acpi_namespace_node *node;
289 acpi_status status;
290
291 ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
292
293 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
294 return_ACPI_STATUS(AE_OK);
295 }
296
297 /* Get the Package node */
298
299 node = obj_desc->package.node;
300 if (!node) {
301 ACPI_ERROR((AE_INFO,
302 "No pointer back to namespace node in package %p",
303 obj_desc));
304 return_ACPI_STATUS(AE_AML_INTERNAL);
305 }
306
307 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Argument Init, AML Ptr: %p\n",
308 obj_desc->package.aml_start));
309
310 /* Execute the AML code for the term_arg arguments */
311
312 status = acpi_ds_execute_arguments(node, node,
313 obj_desc->package.aml_length,
314 obj_desc->package.aml_start);
315
316 return_ACPI_STATUS(status);
317}
318
319/*******************************************************************************
320 *
321 * FUNCTION: acpi_ds_get_region_arguments
322 *
323 * PARAMETERS: obj_desc - A valid region object
324 *
325 * RETURN: Status.
326 *
327 * DESCRIPTION: Get region address and length. This implements the late
328 * evaluation of these region attributes.
329 *
330 ******************************************************************************/
331
332acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
333{
334 struct acpi_namespace_node *node;
335 acpi_status status;
336 union acpi_operand_object *extra_desc;
337
338 ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
339
340 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
341 return_ACPI_STATUS(AE_OK);
342 }
343
344 extra_desc = acpi_ns_get_secondary_object(obj_desc);
345 if (!extra_desc) {
346 return_ACPI_STATUS(AE_NOT_EXIST);
347 }
348
349 /* Get the Region node */
350
351 node = obj_desc->region.node;
352
353 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
354 (ACPI_TYPE_REGION, node, NULL));
355
356 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
357 "[%4.4s] OpRegion Arg Init at AML %p\n",
358 acpi_ut_get_node_name(node),
359 extra_desc->extra.aml_start));
360
361 /* Execute the argument AML */
362
363 status = acpi_ds_execute_arguments(node, extra_desc->extra.scope_node,
364 extra_desc->extra.aml_length,
365 extra_desc->extra.aml_start);
366 if (ACPI_FAILURE(status)) {
367 return_ACPI_STATUS(status);
368 }
369
370 status = acpi_ut_add_address_range(obj_desc->region.space_id,
371 obj_desc->region.address,
372 obj_desc->region.length, node);
373 return_ACPI_STATUS(status);
374}
1/******************************************************************************
2 *
3 * Module Name: dsargs - Support for execution of dynamic arguments for static
4 * objects (regions, fields, buffer fields, etc.)
5 *
6 *****************************************************************************/
7
8/*
9 * Copyright (C) 2000 - 2012, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45#include <acpi/acpi.h>
46#include "accommon.h"
47#include "acparser.h"
48#include "amlcode.h"
49#include "acdispat.h"
50#include "acnamesp.h"
51
52#define _COMPONENT ACPI_DISPATCHER
53ACPI_MODULE_NAME("dsargs")
54
55/* Local prototypes */
56static acpi_status
57acpi_ds_execute_arguments(struct acpi_namespace_node *node,
58 struct acpi_namespace_node *scope_node,
59 u32 aml_length, u8 *aml_start);
60
61/*******************************************************************************
62 *
63 * FUNCTION: acpi_ds_execute_arguments
64 *
65 * PARAMETERS: Node - Object NS node
66 * scope_node - Parent NS node
67 * aml_length - Length of executable AML
68 * aml_start - Pointer to the AML
69 *
70 * RETURN: Status.
71 *
72 * DESCRIPTION: Late (deferred) execution of region or field arguments
73 *
74 ******************************************************************************/
75
76static acpi_status
77acpi_ds_execute_arguments(struct acpi_namespace_node *node,
78 struct acpi_namespace_node *scope_node,
79 u32 aml_length, u8 *aml_start)
80{
81 acpi_status status;
82 union acpi_parse_object *op;
83 struct acpi_walk_state *walk_state;
84
85 ACPI_FUNCTION_TRACE(ds_execute_arguments);
86
87 /* Allocate a new parser op to be the root of the parsed tree */
88
89 op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
90 if (!op) {
91 return_ACPI_STATUS(AE_NO_MEMORY);
92 }
93
94 /* Save the Node for use in acpi_ps_parse_aml */
95
96 op->common.node = scope_node;
97
98 /* Create and initialize a new parser state */
99
100 walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
101 if (!walk_state) {
102 status = AE_NO_MEMORY;
103 goto cleanup;
104 }
105
106 status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
107 aml_length, NULL, ACPI_IMODE_LOAD_PASS1);
108 if (ACPI_FAILURE(status)) {
109 acpi_ds_delete_walk_state(walk_state);
110 goto cleanup;
111 }
112
113 /* Mark this parse as a deferred opcode */
114
115 walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
116 walk_state->deferred_node = node;
117
118 /* Pass1: Parse the entire declaration */
119
120 status = acpi_ps_parse_aml(walk_state);
121 if (ACPI_FAILURE(status)) {
122 goto cleanup;
123 }
124
125 /* Get and init the Op created above */
126
127 op->common.node = node;
128 acpi_ps_delete_parse_tree(op);
129
130 /* Evaluate the deferred arguments */
131
132 op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP);
133 if (!op) {
134 return_ACPI_STATUS(AE_NO_MEMORY);
135 }
136
137 op->common.node = scope_node;
138
139 /* Create and initialize a new parser state */
140
141 walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL);
142 if (!walk_state) {
143 status = AE_NO_MEMORY;
144 goto cleanup;
145 }
146
147 /* Execute the opcode and arguments */
148
149 status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start,
150 aml_length, NULL, ACPI_IMODE_EXECUTE);
151 if (ACPI_FAILURE(status)) {
152 acpi_ds_delete_walk_state(walk_state);
153 goto cleanup;
154 }
155
156 /* Mark this execution as a deferred opcode */
157
158 walk_state->deferred_node = node;
159 status = acpi_ps_parse_aml(walk_state);
160
161 cleanup:
162 acpi_ps_delete_parse_tree(op);
163 return_ACPI_STATUS(status);
164}
165
166/*******************************************************************************
167 *
168 * FUNCTION: acpi_ds_get_buffer_field_arguments
169 *
170 * PARAMETERS: obj_desc - A valid buffer_field object
171 *
172 * RETURN: Status.
173 *
174 * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
175 * evaluation of these field attributes.
176 *
177 ******************************************************************************/
178
179acpi_status
180acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
181{
182 union acpi_operand_object *extra_desc;
183 struct acpi_namespace_node *node;
184 acpi_status status;
185
186 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
187
188 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
189 return_ACPI_STATUS(AE_OK);
190 }
191
192 /* Get the AML pointer (method object) and buffer_field node */
193
194 extra_desc = acpi_ns_get_secondary_object(obj_desc);
195 node = obj_desc->buffer_field.node;
196
197 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_BUFFER_FIELD,
198 node, NULL));
199
200 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
201 acpi_ut_get_node_name(node)));
202
203 /* Execute the AML code for the term_arg arguments */
204
205 status = acpi_ds_execute_arguments(node, node->parent,
206 extra_desc->extra.aml_length,
207 extra_desc->extra.aml_start);
208 return_ACPI_STATUS(status);
209}
210
211/*******************************************************************************
212 *
213 * FUNCTION: acpi_ds_get_bank_field_arguments
214 *
215 * PARAMETERS: obj_desc - A valid bank_field object
216 *
217 * RETURN: Status.
218 *
219 * DESCRIPTION: Get bank_field bank_value. This implements the late
220 * evaluation of these field attributes.
221 *
222 ******************************************************************************/
223
224acpi_status
225acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
226{
227 union acpi_operand_object *extra_desc;
228 struct acpi_namespace_node *node;
229 acpi_status status;
230
231 ACPI_FUNCTION_TRACE_PTR(ds_get_bank_field_arguments, obj_desc);
232
233 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
234 return_ACPI_STATUS(AE_OK);
235 }
236
237 /* Get the AML pointer (method object) and bank_field node */
238
239 extra_desc = acpi_ns_get_secondary_object(obj_desc);
240 node = obj_desc->bank_field.node;
241
242 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
243 (ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL));
244
245 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n",
246 acpi_ut_get_node_name(node)));
247
248 /* Execute the AML code for the term_arg arguments */
249
250 status = acpi_ds_execute_arguments(node, node->parent,
251 extra_desc->extra.aml_length,
252 extra_desc->extra.aml_start);
253 if (ACPI_FAILURE(status)) {
254 return_ACPI_STATUS(status);
255 }
256
257 status = acpi_ut_add_address_range(obj_desc->region.space_id,
258 obj_desc->region.address,
259 obj_desc->region.length, node);
260 return_ACPI_STATUS(status);
261}
262
263/*******************************************************************************
264 *
265 * FUNCTION: acpi_ds_get_buffer_arguments
266 *
267 * PARAMETERS: obj_desc - A valid Buffer object
268 *
269 * RETURN: Status.
270 *
271 * DESCRIPTION: Get Buffer length and initializer byte list. This implements
272 * the late evaluation of these attributes.
273 *
274 ******************************************************************************/
275
276acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
277{
278 struct acpi_namespace_node *node;
279 acpi_status status;
280
281 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
282
283 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
284 return_ACPI_STATUS(AE_OK);
285 }
286
287 /* Get the Buffer node */
288
289 node = obj_desc->buffer.node;
290 if (!node) {
291 ACPI_ERROR((AE_INFO,
292 "No pointer back to namespace node in buffer object %p",
293 obj_desc));
294 return_ACPI_STATUS(AE_AML_INTERNAL);
295 }
296
297 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n"));
298
299 /* Execute the AML code for the term_arg arguments */
300
301 status = acpi_ds_execute_arguments(node, node,
302 obj_desc->buffer.aml_length,
303 obj_desc->buffer.aml_start);
304 return_ACPI_STATUS(status);
305}
306
307/*******************************************************************************
308 *
309 * FUNCTION: acpi_ds_get_package_arguments
310 *
311 * PARAMETERS: obj_desc - A valid Package object
312 *
313 * RETURN: Status.
314 *
315 * DESCRIPTION: Get Package length and initializer byte list. This implements
316 * the late evaluation of these attributes.
317 *
318 ******************************************************************************/
319
320acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
321{
322 struct acpi_namespace_node *node;
323 acpi_status status;
324
325 ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
326
327 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
328 return_ACPI_STATUS(AE_OK);
329 }
330
331 /* Get the Package node */
332
333 node = obj_desc->package.node;
334 if (!node) {
335 ACPI_ERROR((AE_INFO,
336 "No pointer back to namespace node in package %p",
337 obj_desc));
338 return_ACPI_STATUS(AE_AML_INTERNAL);
339 }
340
341 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Arg Init\n"));
342
343 /* Execute the AML code for the term_arg arguments */
344
345 status = acpi_ds_execute_arguments(node, node,
346 obj_desc->package.aml_length,
347 obj_desc->package.aml_start);
348 return_ACPI_STATUS(status);
349}
350
351/*******************************************************************************
352 *
353 * FUNCTION: acpi_ds_get_region_arguments
354 *
355 * PARAMETERS: obj_desc - A valid region object
356 *
357 * RETURN: Status.
358 *
359 * DESCRIPTION: Get region address and length. This implements the late
360 * evaluation of these region attributes.
361 *
362 ******************************************************************************/
363
364acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
365{
366 struct acpi_namespace_node *node;
367 acpi_status status;
368 union acpi_operand_object *extra_desc;
369
370 ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
371
372 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
373 return_ACPI_STATUS(AE_OK);
374 }
375
376 extra_desc = acpi_ns_get_secondary_object(obj_desc);
377 if (!extra_desc) {
378 return_ACPI_STATUS(AE_NOT_EXIST);
379 }
380
381 /* Get the Region node */
382
383 node = obj_desc->region.node;
384
385 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
386 (ACPI_TYPE_REGION, node, NULL));
387
388 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n",
389 acpi_ut_get_node_name(node),
390 extra_desc->extra.aml_start));
391
392 /* Execute the argument AML */
393
394 status = acpi_ds_execute_arguments(node, extra_desc->extra.scope_node,
395 extra_desc->extra.aml_length,
396 extra_desc->extra.aml_start);
397 if (ACPI_FAILURE(status)) {
398 return_ACPI_STATUS(status);
399 }
400
401 status = acpi_ut_add_address_range(obj_desc->region.space_id,
402 obj_desc->region.address,
403 obj_desc->region.length, node);
404 return_ACPI_STATUS(status);
405}