*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
#include <acpi/acinterp.h>
#include <acpi/acparser.h>
#include <acpi/amlcode.h>
-
#define _COMPONENT ACPI_EXECUTER
- ACPI_MODULE_NAME ("exresnte")
-
+ACPI_MODULE_NAME("exresnte")
/*******************************************************************************
*
* ACPI_TYPE_PACKAGE
*
******************************************************************************/
-
acpi_status
-acpi_ex_resolve_node_to_value (
- struct acpi_namespace_node **object_ptr,
- struct acpi_walk_state *walk_state)
-
+acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
+ struct acpi_walk_state *walk_state)
{
- acpi_status status = AE_OK;
- union acpi_operand_object *source_desc;
- union acpi_operand_object *obj_desc = NULL;
- struct acpi_namespace_node *node;
- acpi_object_type entry_type;
-
-
- ACPI_FUNCTION_TRACE ("ex_resolve_node_to_value");
+ acpi_status status = AE_OK;
+ union acpi_operand_object *source_desc;
+ union acpi_operand_object *obj_desc = NULL;
+ struct acpi_namespace_node *node;
+ acpi_object_type entry_type;
+ ACPI_FUNCTION_TRACE(ex_resolve_node_to_value);
/*
* The stack pointer points to a struct acpi_namespace_node (Node). Get the
* object that is attached to the Node.
*/
- node = *object_ptr;
- source_desc = acpi_ns_get_attached_object (node);
- entry_type = acpi_ns_get_type ((acpi_handle) node);
+ node = *object_ptr;
+ source_desc = acpi_ns_get_attached_object(node);
+ entry_type = acpi_ns_get_type((acpi_handle) node);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Entry=%p source_desc=%p [%s]\n",
- node, source_desc, acpi_ut_get_type_name (entry_type)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
+ node, source_desc,
+ acpi_ut_get_type_name(entry_type)));
if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) ||
- (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
+ (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
+
/* There is always exactly one level of indirection */
- node = ACPI_CAST_PTR (struct acpi_namespace_node, node->object);
- source_desc = acpi_ns_get_attached_object (node);
- entry_type = acpi_ns_get_type ((acpi_handle) node);
+ node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
+ source_desc = acpi_ns_get_attached_object(node);
+ entry_type = acpi_ns_get_type((acpi_handle) node);
*object_ptr = node;
}
/*
* Several object types require no further processing:
- * 1) Devices rarely have an attached object, return the Node
+ * 1) Device/Thermal objects don't have a "real" subobject, return the Node
* 2) Method locals and arguments have a pseudo-Node
*/
- if (entry_type == ACPI_TYPE_DEVICE ||
- (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
- return_ACPI_STATUS (AE_OK);
+ if ((entry_type == ACPI_TYPE_DEVICE) ||
+ (entry_type == ACPI_TYPE_THERMAL) ||
+ (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
+ return_ACPI_STATUS(AE_OK);
}
if (!source_desc) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object attached to node %p\n",
- node));
- return_ACPI_STATUS (AE_AML_NO_OPERAND);
+ ACPI_ERROR((AE_INFO, "No object attached to node %p", node));
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/*
switch (entry_type) {
case ACPI_TYPE_PACKAGE:
- if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_PACKAGE) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Package, type %s\n",
- acpi_ut_get_object_type_name (source_desc)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_PACKAGE) {
+ ACPI_ERROR((AE_INFO, "Object not a Package, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
- status = acpi_ds_get_package_arguments (source_desc);
- if (ACPI_SUCCESS (status)) {
+ status = acpi_ds_get_package_arguments(source_desc);
+ if (ACPI_SUCCESS(status)) {
+
/* Return an additional reference to the object */
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
}
break;
-
case ACPI_TYPE_BUFFER:
- if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Buffer, type %s\n",
- acpi_ut_get_object_type_name (source_desc)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) {
+ ACPI_ERROR((AE_INFO, "Object not a Buffer, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
- status = acpi_ds_get_buffer_arguments (source_desc);
- if (ACPI_SUCCESS (status)) {
+ status = acpi_ds_get_buffer_arguments(source_desc);
+ if (ACPI_SUCCESS(status)) {
+
/* Return an additional reference to the object */
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
}
break;
-
case ACPI_TYPE_STRING:
- if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a String, type %s\n",
- acpi_ut_get_object_type_name (source_desc)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) {
+ ACPI_ERROR((AE_INFO, "Object not a String, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Return an additional reference to the object */
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
break;
-
case ACPI_TYPE_INTEGER:
- if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Object not a Integer, type %s\n",
- acpi_ut_get_object_type_name (source_desc)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) {
+ ACPI_ERROR((AE_INFO, "Object not a Integer, type %s",
+ acpi_ut_get_object_type_name(source_desc)));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/* Return an additional reference to the object */
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
break;
-
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "field_read Node=%p source_desc=%p Type=%X\n",
- node, source_desc, entry_type));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "FieldRead Node=%p SourceDesc=%p Type=%X\n",
+ node, source_desc, entry_type));
- status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc);
+ status =
+ acpi_ex_read_data_from_field(walk_state, source_desc,
+ &obj_desc);
break;
- /*
- * For these objects, just return the object attached to the Node
- */
+ /* For these objects, just return the object attached to the Node */
+
case ACPI_TYPE_MUTEX:
case ACPI_TYPE_METHOD:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_THERMAL:
case ACPI_TYPE_EVENT:
case ACPI_TYPE_REGION:
/* Return an additional reference to the object */
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
break;
-
- /* TYPE_ANY is untyped, and thus there is no object associated with it */
+ /* TYPE_ANY is untyped, and thus there is no object associated with it */
case ACPI_TYPE_ANY:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Untyped entry %p, no attached object!\n",
- node));
-
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
+ ACPI_ERROR((AE_INFO,
+ "Untyped entry %p, no attached object!", node));
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
case ACPI_TYPE_LOCAL_REFERENCE:
/* This is a ddb_handle */
/* Return an additional reference to the object */
+ case AML_REF_OF_OP:
+
obj_desc = source_desc;
- acpi_ut_add_reference (obj_desc);
+ acpi_ut_add_reference(obj_desc);
break;
default:
/* No named references are allowed here */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported Reference opcode %X (%s)\n",
- source_desc->reference.opcode,
- acpi_ps_get_opcode_name (source_desc->reference.opcode)));
+ ACPI_ERROR((AE_INFO,
+ "Unsupported Reference opcode %X (%s)",
+ source_desc->reference.opcode,
+ acpi_ps_get_opcode_name(source_desc->
+ reference.opcode)));
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
break;
-
- /* Default case is for unknown types */
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Node %p - Unknown object type %X\n",
- node, entry_type));
+ /* Default case is for unknown types */
- return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+ ACPI_ERROR((AE_INFO,
+ "Node %p - Unknown object type %X",
+ node, entry_type));
- } /* switch (entry_type) */
+ return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+ } /* switch (entry_type) */
- /* Put the object descriptor on the stack */
+ /* Return the object descriptor */
- *object_ptr = (void *) obj_desc;
- return_ACPI_STATUS (status);
+ *object_ptr = (void *)obj_desc;
+ return_ACPI_STATUS(status);
}
-
-