patch-2.4.6 linux/drivers/acpi/interpreter/amstoren.c

• Lines: 263
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.5/linux/drivers/acpi/interpreter/amstoren.c
• Orig date: Mon Jan 29 10:15:59 2001

diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/interpreter/amstoren.c linux/drivers/acpi/interpreter/amstoren.c
@@ -1,262 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: amstoren - AML Interpreter object store support,
- *                        Store to Node (namespace object)
- *              $Revision: 28 $
- *
- *****************************************************************************/
-
-/*
- *  Copyright (C) 2000, 2001 R. Byron Moore
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-
-#include "acpi.h"
-#include "acparser.h"
-#include "acdispat.h"
-#include "acinterp.h"
-#include "amlcode.h"
-#include "acnamesp.h"
-#include "actables.h"
-
-
-#define _COMPONENT          INTERPRETER
-	 MODULE_NAME         ("amstoren")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_aml_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_aml_resolve_object (
-	ACPI_OPERAND_OBJECT     **source_desc_ptr,
-	OBJECT_TYPE_INTERNAL    target_type,
-	ACPI_WALK_STATE         *walk_state)
-{
-	ACPI_OPERAND_OBJECT     *source_desc = *source_desc_ptr;
-	ACPI_STATUS             status = AE_OK;
-
-
-	/*
-	 * Ensure we have a Source that can be stored in the target
-	 */
-	switch (target_type)
-	{
-
-	/* This case handles the "interchangeable" types Integer, String, and Buffer. */
-
-	/*
-	 * These cases all require only Integers or values that
-	 * can be converted to Integers (Strings or Buffers)
-	 */
-	case ACPI_TYPE_INTEGER:
-	case ACPI_TYPE_FIELD_UNIT:
-	case INTERNAL_TYPE_BANK_FIELD:
-	case INTERNAL_TYPE_INDEX_FIELD:
-
-	/*
-	 * Stores into a Field/Region or into a Buffer/String
-	 * are all essentially the same.
-	 */
-	case ACPI_TYPE_STRING:
-	case ACPI_TYPE_BUFFER:
-	case INTERNAL_TYPE_DEF_FIELD:
-
-		/*
-		 * If Source_desc is not a valid type, try to resolve it to one.
-		 */
-		if ((source_desc->common.type != ACPI_TYPE_INTEGER)    &&
-			(source_desc->common.type != ACPI_TYPE_BUFFER)     &&
-			(source_desc->common.type != ACPI_TYPE_STRING))
-		{
-			/*
-			 * Initially not a valid type, convert
-			 */
-			status = acpi_aml_resolve_to_value (source_desc_ptr, walk_state);
-			if (ACPI_SUCCESS (status) &&
-				(source_desc->common.type != ACPI_TYPE_INTEGER)    &&
-				(source_desc->common.type != ACPI_TYPE_BUFFER)     &&
-				(source_desc->common.type != ACPI_TYPE_STRING))
-			{
-				/*
-				 * Conversion successful but still not a valid type
-				 */
-				status = AE_AML_OPERAND_TYPE;
-			}
-		}
-		break;
-
-
-	case INTERNAL_TYPE_ALIAS:
-
-		/*
-		 * Aliases are resolved by Acpi_aml_prep_operands
-		 */
-		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 (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    Acpi_aml_store_object
- *
- * PARAMETERS:  Source_desc         - Object to store
- *              Target_type         - Current type of the target
- *              Target_desc_ptr     - Pointer to the target
- *              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.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-acpi_aml_store_object (
-	ACPI_OPERAND_OBJECT     *source_desc,
-	OBJECT_TYPE_INTERNAL    target_type,
-	ACPI_OPERAND_OBJECT     **target_desc_ptr,
-	ACPI_WALK_STATE         *walk_state)
-{
-	ACPI_OPERAND_OBJECT     *target_desc = *target_desc_ptr;
-	ACPI_STATUS             status;
-
-
-	/*
-	 * Perform the "implicit conversion" of the source to the current type
-	 * of the target - As per the ACPI specification.
-	 *
-	 * If no conversion performed, Source_desc is left alone, otherwise it
-	 * is updated with a new object.
-	 */
-	status = acpi_aml_convert_to_target_type (target_type, &source_desc, walk_state);
-	if (ACPI_FAILURE (status)) {
-		return (status);
-	}
-
-
-	/*
-	 * We now have two objects of identical types, and we can perform a
-	 * copy of the *value* of the source object.
-	 */
-	switch (target_type)
-	{
-	case ACPI_TYPE_ANY:
-	case INTERNAL_TYPE_DEF_ANY:
-
-		/*
-		 * The target namespace node is uninitialized (has no target object),
-		 * and will take on the type of the source object
-		 */
-
-		*target_desc_ptr = source_desc;
-		break;
-
-
-	case ACPI_TYPE_INTEGER:
-
-		target_desc->integer.value = source_desc->integer.value;
-
-		/* Truncate value if we are executing from a 32-bit ACPI table */
-
-		acpi_aml_truncate_for32bit_table (target_desc, walk_state);
-		break;
-
-
-	case ACPI_TYPE_FIELD_UNIT:
-
-		status = acpi_aml_copy_integer_to_field_unit (source_desc, target_desc);
-		break;
-
-
-	case INTERNAL_TYPE_BANK_FIELD:
-
-		status = acpi_aml_copy_integer_to_bank_field (source_desc, target_desc);
-		break;
-
-
-	case INTERNAL_TYPE_INDEX_FIELD:
-
-		status = acpi_aml_copy_integer_to_index_field (source_desc, target_desc);
-		break;
-
-
-	case ACPI_TYPE_STRING:
-
-		status = acpi_aml_copy_string_to_string (source_desc, target_desc);
-		break;
-
-
-	case ACPI_TYPE_BUFFER:
-
-		status = acpi_aml_copy_buffer_to_buffer (source_desc, target_desc);
-		break;
-
-
-	case ACPI_TYPE_PACKAGE:
-
-		/*
-		 * TBD: [Unhandled] Not real sure what to do here
-		 */
-		status = AE_NOT_IMPLEMENTED;
-		break;
-
-
-	default:
-
-		/*
-		 * All other types come here.
-		 */
-		status = AE_NOT_IMPLEMENTED;
-		break;
-	}
-
-
-	return (status);
-}
-
-