diff options
Diffstat (limited to 'drivers/acpi/executer/exresnte.c')
| -rw-r--r-- | drivers/acpi/executer/exresnte.c | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c deleted file mode 100644 index 423ad3635f3d..000000000000 --- a/drivers/acpi/executer/exresnte.c +++ /dev/null @@ -1,277 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exresnte - AML Interpreter object resolution - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exresnte") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_node_to_value - * - * PARAMETERS: object_ptr - Pointer to a location that contains - * a pointer to a NS node, and will receive a - * pointer to the resolved object. - * walk_state - Current state. Valid only if executing AML - * code. NULL if simply resolving an object - * - * RETURN: Status - * - * DESCRIPTION: Resolve a Namespace node to a valued object - * - * Note: for some of the data types, the pointer attached to the Node - * can be either a pointer to an actual internal object or a pointer into the - * AML stream itself. These types are currently: - * - * ACPI_TYPE_INTEGER - * ACPI_TYPE_STRING - * ACPI_TYPE_BUFFER - * ACPI_TYPE_MUTEX - * ACPI_TYPE_PACKAGE - * - ******************************************************************************/ -acpi_status -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); - - /* - * 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); - - 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)) { - - /* 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); - *object_ptr = node; - } - - /* - * Several object types require no further processing: - * 1) Device/Thermal objects don't have a "real" subobject, return the Node - * 2) Method locals and arguments have a pseudo-Node - * 3) 10/2007: Added method type to assist with Package construction. - */ - if ((entry_type == ACPI_TYPE_DEVICE) || - (entry_type == ACPI_TYPE_THERMAL) || - (entry_type == ACPI_TYPE_METHOD) || - (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) { - return_ACPI_STATUS(AE_OK); - } - - if (!source_desc) { - ACPI_ERROR((AE_INFO, "No object attached to node %p", node)); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - /* - * Action is based on the type of the Node, which indicates the type - * of the attached object or pointer - */ - switch (entry_type) { - case ACPI_TYPE_PACKAGE: - - 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)) { - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - } - break; - - case ACPI_TYPE_BUFFER: - - 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)) { - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - } - break; - - case ACPI_TYPE_STRING: - - 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); - break; - - case ACPI_TYPE_INTEGER: - - 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); - 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, - "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); - break; - - /* For these objects, just return the object attached to the Node */ - - case ACPI_TYPE_MUTEX: - case ACPI_TYPE_POWER: - case ACPI_TYPE_PROCESSOR: - 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); - break; - - /* TYPE_ANY is untyped, and thus there is no object associated with it */ - - case ACPI_TYPE_ANY: - - 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: - - switch (source_desc->reference.class) { - case ACPI_REFCLASS_TABLE: /* This is a ddb_handle */ - case ACPI_REFCLASS_REFOF: - case ACPI_REFCLASS_INDEX: - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - break; - - default: - /* No named references are allowed here */ - - ACPI_ERROR((AE_INFO, - "Unsupported Reference type %X", - source_desc->reference.class)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - break; - - default: - - /* Default case is for unknown types */ - - ACPI_ERROR((AE_INFO, - "Node %p - Unknown object type %X", - node, entry_type)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - - } /* switch (entry_type) */ - - /* Return the object descriptor */ - - *object_ptr = (void *)obj_desc; - return_ACPI_STATUS(status); -} |