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path: root/drivers/acpi/dispatcher/dsobject.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dsobject.c')
-rw-r--r--drivers/acpi/dispatcher/dsobject.c79
1 files changed, 50 insertions, 29 deletions
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index eb8af4785bcb..bfbae4e4c667 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -52,9 +52,15 @@
52#define _COMPONENT ACPI_DISPATCHER 52#define _COMPONENT ACPI_DISPATCHER
53 ACPI_MODULE_NAME ("dsobject") 53 ACPI_MODULE_NAME ("dsobject")
54 54
55static acpi_status
56acpi_ds_build_internal_object (
57 struct acpi_walk_state *walk_state,
58 union acpi_parse_object *op,
59 union acpi_operand_object **obj_desc_ptr);
60
55 61
56#ifndef ACPI_NO_METHOD_EXECUTION 62#ifndef ACPI_NO_METHOD_EXECUTION
57/***************************************************************************** 63/*******************************************************************************
58 * 64 *
59 * FUNCTION: acpi_ds_build_internal_object 65 * FUNCTION: acpi_ds_build_internal_object
60 * 66 *
@@ -67,9 +73,9 @@
67 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object 73 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
68 * Simple objects are any objects other than a package object! 74 * Simple objects are any objects other than a package object!
69 * 75 *
70 ****************************************************************************/ 76 ******************************************************************************/
71 77
72acpi_status 78static acpi_status
73acpi_ds_build_internal_object ( 79acpi_ds_build_internal_object (
74 struct acpi_walk_state *walk_state, 80 struct acpi_walk_state *walk_state,
75 union acpi_parse_object *op, 81 union acpi_parse_object *op,
@@ -90,9 +96,11 @@ acpi_ds_build_internal_object (
90 * Otherwise, go ahead and look it up now 96 * Otherwise, go ahead and look it up now
91 */ 97 */
92 if (!op->common.node) { 98 if (!op->common.node) {
93 status = acpi_ns_lookup (walk_state->scope_info, op->common.value.string, 99 status = acpi_ns_lookup (walk_state->scope_info,
100 op->common.value.string,
94 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 101 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
95 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, 102 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
103 NULL,
96 (struct acpi_namespace_node **) &(op->common.node)); 104 (struct acpi_namespace_node **) &(op->common.node));
97 105
98 if (ACPI_FAILURE (status)) { 106 if (ACPI_FAILURE (status)) {
@@ -104,12 +112,14 @@ acpi_ds_build_internal_object (
104 112
105 /* Create and init the internal ACPI object */ 113 /* Create and init the internal ACPI object */
106 114
107 obj_desc = acpi_ut_create_internal_object ((acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type); 115 obj_desc = acpi_ut_create_internal_object (
116 (acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type);
108 if (!obj_desc) { 117 if (!obj_desc) {
109 return_ACPI_STATUS (AE_NO_MEMORY); 118 return_ACPI_STATUS (AE_NO_MEMORY);
110 } 119 }
111 120
112 status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode, &obj_desc); 121 status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode,
122 &obj_desc);
113 if (ACPI_FAILURE (status)) { 123 if (ACPI_FAILURE (status)) {
114 acpi_ut_remove_reference (obj_desc); 124 acpi_ut_remove_reference (obj_desc);
115 return_ACPI_STATUS (status); 125 return_ACPI_STATUS (status);
@@ -120,7 +130,7 @@ acpi_ds_build_internal_object (
120} 130}
121 131
122 132
123/***************************************************************************** 133/*******************************************************************************
124 * 134 *
125 * FUNCTION: acpi_ds_build_internal_buffer_obj 135 * FUNCTION: acpi_ds_build_internal_buffer_obj
126 * 136 *
@@ -134,7 +144,7 @@ acpi_ds_build_internal_object (
134 * DESCRIPTION: Translate a parser Op package object to the equivalent 144 * DESCRIPTION: Translate a parser Op package object to the equivalent
135 * namespace object 145 * namespace object
136 * 146 *
137 ****************************************************************************/ 147 ******************************************************************************/
138 148
139acpi_status 149acpi_status
140acpi_ds_build_internal_buffer_obj ( 150acpi_ds_build_internal_buffer_obj (
@@ -229,7 +239,7 @@ acpi_ds_build_internal_buffer_obj (
229} 239}
230 240
231 241
232/***************************************************************************** 242/*******************************************************************************
233 * 243 *
234 * FUNCTION: acpi_ds_build_internal_package_obj 244 * FUNCTION: acpi_ds_build_internal_package_obj
235 * 245 *
@@ -243,7 +253,7 @@ acpi_ds_build_internal_buffer_obj (
243 * DESCRIPTION: Translate a parser Op package object to the equivalent 253 * DESCRIPTION: Translate a parser Op package object to the equivalent
244 * namespace object 254 * namespace object
245 * 255 *
246 ****************************************************************************/ 256 ******************************************************************************/
247 257
248acpi_status 258acpi_status
249acpi_ds_build_internal_package_obj ( 259acpi_ds_build_internal_package_obj (
@@ -331,11 +341,12 @@ acpi_ds_build_internal_package_obj (
331 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { 341 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
332 /* Object (package or buffer) is already built */ 342 /* Object (package or buffer) is already built */
333 343
334 obj_desc->package.elements[i] = ACPI_CAST_PTR (union acpi_operand_object, arg->common.node); 344 obj_desc->package.elements[i] =
345 ACPI_CAST_PTR (union acpi_operand_object, arg->common.node);
335 } 346 }
336 else { 347 else {
337 status = acpi_ds_build_internal_object (walk_state, arg, 348 status = acpi_ds_build_internal_object (walk_state, arg,
338 &obj_desc->package.elements[i]); 349 &obj_desc->package.elements[i]);
339 } 350 }
340 351
341 i++; 352 i++;
@@ -348,7 +359,7 @@ acpi_ds_build_internal_package_obj (
348} 359}
349 360
350 361
351/***************************************************************************** 362/*******************************************************************************
352 * 363 *
353 * FUNCTION: acpi_ds_create_node 364 * FUNCTION: acpi_ds_create_node
354 * 365 *
@@ -360,7 +371,7 @@ acpi_ds_build_internal_package_obj (
360 * 371 *
361 * DESCRIPTION: Create the object to be associated with a namespace node 372 * DESCRIPTION: Create the object to be associated with a namespace node
362 * 373 *
363 ****************************************************************************/ 374 ******************************************************************************/
364 375
365acpi_status 376acpi_status
366acpi_ds_create_node ( 377acpi_ds_create_node (
@@ -392,7 +403,8 @@ acpi_ds_create_node (
392 403
393 /* Build an internal object for the argument(s) */ 404 /* Build an internal object for the argument(s) */
394 405
395 status = acpi_ds_build_internal_object (walk_state, op->common.value.arg, &obj_desc); 406 status = acpi_ds_build_internal_object (walk_state, op->common.value.arg,
407 &obj_desc);
396 if (ACPI_FAILURE (status)) { 408 if (ACPI_FAILURE (status)) {
397 return_ACPI_STATUS (status); 409 return_ACPI_STATUS (status);
398 } 410 }
@@ -414,7 +426,7 @@ acpi_ds_create_node (
414#endif /* ACPI_NO_METHOD_EXECUTION */ 426#endif /* ACPI_NO_METHOD_EXECUTION */
415 427
416 428
417/***************************************************************************** 429/*******************************************************************************
418 * 430 *
419 * FUNCTION: acpi_ds_init_object_from_op 431 * FUNCTION: acpi_ds_init_object_from_op
420 * 432 *
@@ -429,7 +441,7 @@ acpi_ds_create_node (
429 * associated arguments. The namespace object is a more compact 441 * associated arguments. The namespace object is a more compact
430 * representation of the Op and its arguments. 442 * representation of the Op and its arguments.
431 * 443 *
432 ****************************************************************************/ 444 ******************************************************************************/
433 445
434acpi_status 446acpi_status
435acpi_ds_init_object_from_op ( 447acpi_ds_init_object_from_op (
@@ -462,7 +474,8 @@ acpi_ds_init_object_from_op (
462 /* 474 /*
463 * Defer evaluation of Buffer term_arg operand 475 * Defer evaluation of Buffer term_arg operand
464 */ 476 */
465 obj_desc->buffer.node = (struct acpi_namespace_node *) walk_state->operands[0]; 477 obj_desc->buffer.node = (struct acpi_namespace_node *)
478 walk_state->operands[0];
466 obj_desc->buffer.aml_start = op->named.data; 479 obj_desc->buffer.aml_start = op->named.data;
467 obj_desc->buffer.aml_length = op->named.length; 480 obj_desc->buffer.aml_length = op->named.length;
468 break; 481 break;
@@ -473,7 +486,8 @@ acpi_ds_init_object_from_op (
473 /* 486 /*
474 * Defer evaluation of Package term_arg operand 487 * Defer evaluation of Package term_arg operand
475 */ 488 */
476 obj_desc->package.node = (struct acpi_namespace_node *) walk_state->operands[0]; 489 obj_desc->package.node = (struct acpi_namespace_node *)
490 walk_state->operands[0];
477 obj_desc->package.aml_start = op->named.data; 491 obj_desc->package.aml_start = op->named.data;
478 obj_desc->package.aml_length = op->named.length; 492 obj_desc->package.aml_length = op->named.length;
479 break; 493 break;
@@ -486,9 +500,10 @@ acpi_ds_init_object_from_op (
486 /* 500 /*
487 * Resolve AML Constants here - AND ONLY HERE! 501 * Resolve AML Constants here - AND ONLY HERE!
488 * All constants are integers. 502 * All constants are integers.
489 * We mark the integer with a flag that indicates that it started life 503 * We mark the integer with a flag that indicates that it started
490 * as a constant -- so that stores to constants will perform as expected (noop). 504 * life as a constant -- so that stores to constants will perform
491 * (zero_op is used as a placeholder for optional target operands.) 505 * as expected (noop). zero_op is used as a placeholder for optional
506 * target operands.
492 */ 507 */
493 obj_desc->common.flags = AOPOBJ_AML_CONSTANT; 508 obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
494 509
@@ -521,7 +536,8 @@ acpi_ds_init_object_from_op (
521 536
522 default: 537 default:
523 538
524 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown constant opcode %X\n", opcode)); 539 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
540 "Unknown constant opcode %X\n", opcode));
525 status = AE_AML_OPERAND_TYPE; 541 status = AE_AML_OPERAND_TYPE;
526 break; 542 break;
527 } 543 }
@@ -535,7 +551,8 @@ acpi_ds_init_object_from_op (
535 551
536 552
537 default: 553 default:
538 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", op_info->type)); 554 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n",
555 op_info->type));
539 status = AE_AML_OPERAND_TYPE; 556 status = AE_AML_OPERAND_TYPE;
540 break; 557 break;
541 } 558 }
@@ -570,8 +587,10 @@ acpi_ds_init_object_from_op (
570 obj_desc->reference.offset = opcode - AML_LOCAL_OP; 587 obj_desc->reference.offset = opcode - AML_LOCAL_OP;
571 588
572#ifndef ACPI_NO_METHOD_EXECUTION 589#ifndef ACPI_NO_METHOD_EXECUTION
573 status = acpi_ds_method_data_get_node (AML_LOCAL_OP, obj_desc->reference.offset, 590 status = acpi_ds_method_data_get_node (AML_LOCAL_OP,
574 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); 591 obj_desc->reference.offset,
592 walk_state,
593 (struct acpi_namespace_node **) &obj_desc->reference.object);
575#endif 594#endif
576 break; 595 break;
577 596
@@ -584,8 +603,10 @@ acpi_ds_init_object_from_op (
584 obj_desc->reference.offset = opcode - AML_ARG_OP; 603 obj_desc->reference.offset = opcode - AML_ARG_OP;
585 604
586#ifndef ACPI_NO_METHOD_EXECUTION 605#ifndef ACPI_NO_METHOD_EXECUTION
587 status = acpi_ds_method_data_get_node (AML_ARG_OP, obj_desc->reference.offset, 606 status = acpi_ds_method_data_get_node (AML_ARG_OP,
588 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); 607 obj_desc->reference.offset,
608 walk_state,
609 (struct acpi_namespace_node **) &obj_desc->reference.object);
589#endif 610#endif
590 break; 611 break;
591 612