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Diffstat (limited to 'drivers/acpi/executer/exstoren.c')
| -rw-r--r-- | drivers/acpi/executer/exstoren.c | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c deleted file mode 100644 index ad2047afa463..000000000000 --- a/drivers/acpi/executer/exstoren.c +++ /dev/null @@ -1,304 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exstoren - AML Interpreter object store support, - * Store to Node (namespace object) - * - *****************************************************************************/ - -/* - * 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/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exstoren") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_object - * - * PARAMETERS: source_desc_ptr - Pointer to the source object - * target_type - Current type of the target - * walk_state - Current walk state - * - * RETURN: Status, resolved object in source_desc_ptr. - * - * DESCRIPTION: Resolve an object. If the object is a reference, dereference - * it and return the actual object in the source_desc_ptr. - * - ******************************************************************************/ -acpi_status -acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, - acpi_object_type target_type, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *source_desc = *source_desc_ptr; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_resolve_object); - - /* Ensure we have a Target that can be stored to */ - - switch (target_type) { - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - /* - * These cases all require only Integers or values that - * can be converted to Integers (Strings or Buffers) - */ - - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* - * Stores into a Field/Region or into a Integer/Buffer/String - * are all essentially the same. This case handles the - * "interchangeable" types Integer, String, and Buffer. - */ - if (ACPI_GET_OBJECT_TYPE(source_desc) == - ACPI_TYPE_LOCAL_REFERENCE) { - - /* Resolve a reference object first */ - - status = - acpi_ex_resolve_to_value(source_desc_ptr, - walk_state); - if (ACPI_FAILURE(status)) { - break; - } - } - - /* For copy_object, no further validation necessary */ - - if (walk_state->opcode == AML_COPY_OP) { - break; - } - - /* Must have a Integer, Buffer, or String */ - - if ((ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) && - (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) && - (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) && - !((ACPI_GET_OBJECT_TYPE(source_desc) == - ACPI_TYPE_LOCAL_REFERENCE) - && (source_desc->reference.class == - ACPI_REFCLASS_TABLE))) { - - /* Conversion successful but still not a valid type */ - - ACPI_ERROR((AE_INFO, - "Cannot assign type %s to %s (must be type Int/Str/Buf)", - acpi_ut_get_object_type_name(source_desc), - acpi_ut_get_type_name(target_type))); - status = AE_AML_OPERAND_TYPE; - } - break; - - case ACPI_TYPE_LOCAL_ALIAS: - case ACPI_TYPE_LOCAL_METHOD_ALIAS: - - /* - * All aliases should have been resolved earlier, during the - * operand resolution phase. - */ - ACPI_ERROR((AE_INFO, "Store into an unresolved Alias object")); - status = AE_AML_INTERNAL; - break; - - case ACPI_TYPE_PACKAGE: - default: - - /* - * All other types than Alias and the various Fields come here, - * including the untyped case - ACPI_TYPE_ANY. - */ - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_object_to_object - * - * PARAMETERS: source_desc - Object to store - * dest_desc - Object to receive a copy of the source - * new_desc - New object if dest_desc is obsoleted - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: "Store" an object to another object. This may include - * converting the source type to the target type (implicit - * conversion), and a copy of the value of the source to - * the target. - * - * The Assignment of an object to another (not named) object - * is handled here. - * The Source passed in will replace the current value (if any) - * with the input value. - * - * When storing into an object the data is converted to the - * target object type then stored in the object. This means - * that the target object type (for an initialized target) will - * not be changed by a store operation. - * - * This module allows destination types of Number, String, - * Buffer, and Package. - * - * Assumes parameters are already validated. NOTE: source_desc - * resolution (from a reference object) must be performed by - * the caller if necessary. - * - ******************************************************************************/ - -acpi_status -acpi_ex_store_object_to_object(union acpi_operand_object *source_desc, - union acpi_operand_object *dest_desc, - union acpi_operand_object **new_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *actual_src_desc; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_object, source_desc); - - actual_src_desc = source_desc; - if (!dest_desc) { - /* - * There is no destination object (An uninitialized node or - * package element), so we can simply copy the source object - * creating a new destination object - */ - status = - acpi_ut_copy_iobject_to_iobject(actual_src_desc, new_desc, - walk_state); - return_ACPI_STATUS(status); - } - - if (ACPI_GET_OBJECT_TYPE(source_desc) != - ACPI_GET_OBJECT_TYPE(dest_desc)) { - /* - * The source type does not match the type of the destination. - * Perform the "implicit conversion" of the source to the current type - * of the target as per the ACPI specification. - * - * If no conversion performed, actual_src_desc = source_desc. - * Otherwise, actual_src_desc is a temporary object to hold the - * converted object. - */ - status = - acpi_ex_convert_to_target_type(ACPI_GET_OBJECT_TYPE - (dest_desc), source_desc, - &actual_src_desc, - walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (source_desc == actual_src_desc) { - /* - * No conversion was performed. Return the source_desc as the - * new object. - */ - *new_desc = source_desc; - return_ACPI_STATUS(AE_OK); - } - } - - /* - * We now have two objects of identical types, and we can perform a - * copy of the *value* of the source object. - */ - switch (ACPI_GET_OBJECT_TYPE(dest_desc)) { - case ACPI_TYPE_INTEGER: - - dest_desc->integer.value = actual_src_desc->integer.value; - - /* Truncate value if we are executing from a 32-bit ACPI table */ - - acpi_ex_truncate_for32bit_table(dest_desc); - break; - - case ACPI_TYPE_STRING: - - status = - acpi_ex_store_string_to_string(actual_src_desc, dest_desc); - break; - - case ACPI_TYPE_BUFFER: - - status = - acpi_ex_store_buffer_to_buffer(actual_src_desc, dest_desc); - break; - - case ACPI_TYPE_PACKAGE: - - status = - acpi_ut_copy_iobject_to_iobject(actual_src_desc, &dest_desc, - walk_state); - break; - - default: - /* - * All other types come here. - */ - ACPI_WARNING((AE_INFO, "Store into type %s not implemented", - acpi_ut_get_object_type_name(dest_desc))); - - status = AE_NOT_IMPLEMENTED; - break; - } - - if (actual_src_desc != source_desc) { - - /* Delete the intermediate (temporary) source object */ - - acpi_ut_remove_reference(actual_src_desc); - } - - *new_desc = dest_desc; - return_ACPI_STATUS(status); -} |
