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44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acparser.h"
47#include "acinterp.h"
48#include "acevents.h"
49#include "amlcode.h"
50
51#define _COMPONENT ACPI_EXECUTER
52ACPI_MODULE_NAME("exoparg2")
53
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88
89acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
90{
91 union acpi_operand_object **operand = &walk_state->operands[0];
92 struct acpi_namespace_node *node;
93 u32 value;
94 acpi_status status = AE_OK;
95
96 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_0R,
97 acpi_ps_get_opcode_name(walk_state->opcode));
98
99
100
101 switch (walk_state->opcode) {
102 case AML_NOTIFY_OP:
103
104
105
106 node = (struct acpi_namespace_node *)operand[0];
107
108
109
110 value = (u32) operand[1]->integer.value;
111
112
113
114 if (!acpi_ev_is_notify_object(node)) {
115 ACPI_ERROR((AE_INFO,
116 "Unexpected notify object type [%s]",
117 acpi_ut_get_type_name(node->type)));
118
119 status = AE_AML_OPERAND_TYPE;
120 break;
121 }
122
123
124
125
126
127
128
129
130 status = acpi_ev_queue_notify_request(node, value);
131 break;
132
133 default:
134
135 ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
136 walk_state->opcode));
137 status = AE_AML_BAD_OPCODE;
138 }
139
140 return_ACPI_STATUS(status);
141}
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
157{
158 union acpi_operand_object **operand = &walk_state->operands[0];
159 union acpi_operand_object *return_desc1 = NULL;
160 union acpi_operand_object *return_desc2 = NULL;
161 acpi_status status;
162
163 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_2T_1R,
164 acpi_ps_get_opcode_name(walk_state->opcode));
165
166
167
168 switch (walk_state->opcode) {
169 case AML_DIVIDE_OP:
170
171
172
173 return_desc1 =
174 acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
175 if (!return_desc1) {
176 status = AE_NO_MEMORY;
177 goto cleanup;
178 }
179
180 return_desc2 =
181 acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
182 if (!return_desc2) {
183 status = AE_NO_MEMORY;
184 goto cleanup;
185 }
186
187
188
189 status = acpi_ut_divide(operand[0]->integer.value,
190 operand[1]->integer.value,
191 &return_desc1->integer.value,
192 &return_desc2->integer.value);
193 if (ACPI_FAILURE(status)) {
194 goto cleanup;
195 }
196 break;
197
198 default:
199
200 ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
201 walk_state->opcode));
202 status = AE_AML_BAD_OPCODE;
203 goto cleanup;
204 }
205
206
207
208 status = acpi_ex_store(return_desc2, operand[2], walk_state);
209 if (ACPI_FAILURE(status)) {
210 goto cleanup;
211 }
212
213 status = acpi_ex_store(return_desc1, operand[3], walk_state);
214 if (ACPI_FAILURE(status)) {
215 goto cleanup;
216 }
217
218 cleanup:
219
220
221
222
223 acpi_ut_remove_reference(return_desc2);
224
225 if (ACPI_FAILURE(status)) {
226
227
228
229 acpi_ut_remove_reference(return_desc1);
230 }
231
232
233
234 else {
235 walk_state->result_obj = return_desc1;
236 }
237
238 return_ACPI_STATUS(status);
239}
240
241
242
243
244
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251
252
253
254acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
255{
256 union acpi_operand_object **operand = &walk_state->operands[0];
257 union acpi_operand_object *return_desc = NULL;
258 u64 index;
259 acpi_status status = AE_OK;
260 acpi_size length;
261
262 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R,
263 acpi_ps_get_opcode_name(walk_state->opcode));
264
265
266
267 if (walk_state->op_info->flags & AML_MATH) {
268
269
270
271 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
272 if (!return_desc) {
273 status = AE_NO_MEMORY;
274 goto cleanup;
275 }
276
277 return_desc->integer.value =
278 acpi_ex_do_math_op(walk_state->opcode,
279 operand[0]->integer.value,
280 operand[1]->integer.value);
281 goto store_result_to_target;
282 }
283
284 switch (walk_state->opcode) {
285 case AML_MOD_OP:
286
287 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
288 if (!return_desc) {
289 status = AE_NO_MEMORY;
290 goto cleanup;
291 }
292
293
294
295 status = acpi_ut_divide(operand[0]->integer.value,
296 operand[1]->integer.value,
297 NULL, &return_desc->integer.value);
298 break;
299
300 case AML_CONCAT_OP:
301
302 status = acpi_ex_do_concatenate(operand[0], operand[1],
303 &return_desc, walk_state);
304 break;
305
306 case AML_TO_STRING_OP:
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323 length = 0;
324 while ((length < operand[0]->buffer.length) &&
325 (length < operand[1]->integer.value) &&
326 (operand[0]->buffer.pointer[length])) {
327 length++;
328 }
329
330
331
332 return_desc = acpi_ut_create_string_object(length);
333 if (!return_desc) {
334 status = AE_NO_MEMORY;
335 goto cleanup;
336 }
337
338
339
340
341
342 ACPI_MEMCPY(return_desc->string.pointer,
343 operand[0]->buffer.pointer, length);
344 break;
345
346 case AML_CONCAT_RES_OP:
347
348
349
350 status = acpi_ex_concat_template(operand[0], operand[1],
351 &return_desc, walk_state);
352 break;
353
354 case AML_INDEX_OP:
355
356
357
358 return_desc =
359 acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
360 if (!return_desc) {
361 status = AE_NO_MEMORY;
362 goto cleanup;
363 }
364
365
366
367 index = operand[1]->integer.value;
368 return_desc->reference.value = (u32) index;
369 return_desc->reference.class = ACPI_REFCLASS_INDEX;
370
371
372
373
374
375 switch ((operand[0])->common.type) {
376 case ACPI_TYPE_STRING:
377
378 if (index >= operand[0]->string.length) {
379 status = AE_AML_STRING_LIMIT;
380 }
381
382 return_desc->reference.target_type =
383 ACPI_TYPE_BUFFER_FIELD;
384 break;
385
386 case ACPI_TYPE_BUFFER:
387
388 if (index >= operand[0]->buffer.length) {
389 status = AE_AML_BUFFER_LIMIT;
390 }
391
392 return_desc->reference.target_type =
393 ACPI_TYPE_BUFFER_FIELD;
394 break;
395
396 case ACPI_TYPE_PACKAGE:
397
398 if (index >= operand[0]->package.count) {
399 status = AE_AML_PACKAGE_LIMIT;
400 }
401
402 return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
403 return_desc->reference.where =
404 &operand[0]->package.elements[index];
405 break;
406
407 default:
408
409 status = AE_AML_INTERNAL;
410 goto cleanup;
411 }
412
413
414
415 if (ACPI_FAILURE(status)) {
416 ACPI_EXCEPTION((AE_INFO, status,
417 "Index (0x%8.8X%8.8X) is beyond end of object",
418 ACPI_FORMAT_UINT64(index)));
419 goto cleanup;
420 }
421
422
423
424
425
426 return_desc->reference.object = operand[0];
427 acpi_ut_add_reference(operand[0]);
428
429
430
431 status = acpi_ex_store(return_desc, operand[2], walk_state);
432
433
434
435 walk_state->result_obj = return_desc;
436 goto cleanup;
437
438 default:
439
440 ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
441 walk_state->opcode));
442 status = AE_AML_BAD_OPCODE;
443 break;
444 }
445
446 store_result_to_target:
447
448 if (ACPI_SUCCESS(status)) {
449
450
451
452
453 status = acpi_ex_store(return_desc, operand[2], walk_state);
454 if (ACPI_FAILURE(status)) {
455 goto cleanup;
456 }
457
458 if (!walk_state->result_obj) {
459 walk_state->result_obj = return_desc;
460 }
461 }
462
463 cleanup:
464
465
466
467 if (ACPI_FAILURE(status)) {
468 acpi_ut_remove_reference(return_desc);
469 walk_state->result_obj = NULL;
470 }
471
472 return_ACPI_STATUS(status);
473}
474
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476
477
478
479
480
481
482
483
484
485
486
487acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
488{
489 union acpi_operand_object **operand = &walk_state->operands[0];
490 union acpi_operand_object *return_desc = NULL;
491 acpi_status status = AE_OK;
492 u8 logical_result = FALSE;
493
494 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_1R,
495 acpi_ps_get_opcode_name(walk_state->opcode));
496
497
498
499 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
500 if (!return_desc) {
501 status = AE_NO_MEMORY;
502 goto cleanup;
503 }
504
505
506
507 if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
508
509
510
511 status = acpi_ex_do_logical_numeric_op(walk_state->opcode,
512 operand[0]->integer.
513 value,
514 operand[1]->integer.
515 value, &logical_result);
516 goto store_logical_result;
517 } else if (walk_state->op_info->flags & AML_LOGICAL) {
518
519
520
521 status = acpi_ex_do_logical_op(walk_state->opcode, operand[0],
522 operand[1], &logical_result);
523 goto store_logical_result;
524 }
525
526 switch (walk_state->opcode) {
527 case AML_ACQUIRE_OP:
528
529 status =
530 acpi_ex_acquire_mutex(operand[1], operand[0], walk_state);
531 if (status == AE_TIME) {
532 logical_result = TRUE;
533 status = AE_OK;
534 }
535 break;
536
537 case AML_WAIT_OP:
538
539 status = acpi_ex_system_wait_event(operand[1], operand[0]);
540 if (status == AE_TIME) {
541 logical_result = TRUE;
542 status = AE_OK;
543 }
544 break;
545
546 default:
547
548 ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
549 walk_state->opcode));
550 status = AE_AML_BAD_OPCODE;
551 goto cleanup;
552 }
553
554 store_logical_result:
555
556
557
558
559 if (logical_result) {
560 return_desc->integer.value = ACPI_UINT64_MAX;
561 }
562
563 cleanup:
564
565
566
567 if (ACPI_FAILURE(status)) {
568 acpi_ut_remove_reference(return_desc);
569 }
570
571
572
573 else {
574 walk_state->result_obj = return_desc;
575 }
576
577 return_ACPI_STATUS(status);
578}
579