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/******************************************************************************
 *
 * Name: acdispat.h - dispatcher (parser to interpreter interface)
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, R. Byron Moore
 * 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.
 */


#ifndef _ACDISPAT_H_
#define _ACDISPAT_H_


#define NAMEOF_LOCAL_NTE    "__L0"
#define NAMEOF_ARG_NTE      "__A0"


/*
 * dsopcode - support for late evaluation
 */
acpi_status
acpi_ds_get_buffer_field_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_get_region_arguments (
	union acpi_operand_object       *rgn_desc);

acpi_status
acpi_ds_get_buffer_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_get_package_arguments (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_eval_buffer_field_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_eval_region_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_eval_data_object_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_initialize_region (
	acpi_handle                     obj_handle);


/*
 * dsctrl - Parser/Interpreter interface, control stack routines
 */
acpi_status
acpi_ds_exec_begin_control_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_exec_end_control_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);


/*
 * dsexec - Parser/Interpreter interface, method execution callbacks
 */
acpi_status
acpi_ds_get_predicate_value (
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       *result_obj);

acpi_status
acpi_ds_exec_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_exec_end_op (
	struct acpi_walk_state          *state);


/*
 * dsfield - Parser/Interpreter interface for AML fields
 */
acpi_status
acpi_ds_create_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_bank_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_index_field (
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *region_node,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_buffer_field (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_init_field_objects (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);


/*
 * dsload - Parser/Interpreter interface, namespace load callbacks
 */
acpi_status
acpi_ds_load1_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_load1_end_op (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_load2_begin_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         **out_op);

acpi_status
acpi_ds_load2_end_op (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_init_callbacks (
	struct acpi_walk_state          *walk_state,
	u32                             pass_number);


/*
 * dsmthdat - method data (locals/args)
 */
acpi_status
acpi_ds_store_object_to_local (
	u16                             opcode,
	u32                             index,
	union acpi_operand_object       *src_desc,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_method_data_get_entry (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       ***node);

void
acpi_ds_method_data_delete_all (
	struct acpi_walk_state          *walk_state);

u8
acpi_ds_is_method_value (
	union acpi_operand_object       *obj_desc);

acpi_status
acpi_ds_method_data_get_value (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       **dest_desc);

acpi_status
acpi_ds_method_data_init_args (
	union acpi_operand_object       **params,
	u32                             max_param_count,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_method_data_get_node (
	u16                             opcode,
	u32                             index,
	struct acpi_walk_state          *walk_state,
	struct acpi_namespace_node      **node);

void
acpi_ds_method_data_init (
	struct acpi_walk_state          *walk_state);


/*
 * dsmethod - Parser/Interpreter interface - control method parsing
 */
acpi_status
acpi_ds_parse_method (
	acpi_handle                     obj_handle);

acpi_status
acpi_ds_call_control_method (
	struct acpi_thread_state        *thread,
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op);

acpi_status
acpi_ds_restart_control_method (
	struct acpi_walk_state          *walk_state,
	union acpi_operand_object       *return_desc);

acpi_status
acpi_ds_terminate_control_method (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_begin_method_execution (
	struct acpi_namespace_node      *method_node,
	union acpi_operand_object       *obj_desc,
	struct acpi_namespace_node      *calling_method_node);


/*
 * dsinit
 */
acpi_status
acpi_ds_initialize_objects (
	struct acpi_table_desc          *table_desc,
	struct acpi_namespace_node      *start_node);


/*
 * dsobject - Parser/Interpreter interface - object initialization and conversion
 */
acpi_status
acpi_ds_build_internal_buffer_obj (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u32                             buffer_length,
	union acpi_operand_object       **obj_desc_ptr);

acpi_status
acpi_ds_build_internal_package_obj (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u32                             package_length,
	union acpi_operand_object       **obj_desc);

acpi_status
acpi_ds_init_object_from_op (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	u16                             opcode,
	union acpi_operand_object       **obj_desc);

acpi_status
acpi_ds_create_node (
	struct acpi_walk_state          *walk_state,
	struct acpi_namespace_node      *node,
	union acpi_parse_object         *op);


/*
 * dsutils - Parser/Interpreter interface utility routines
 */
void
acpi_ds_clear_implicit_return (
	struct acpi_walk_state          *walk_state);

u8
acpi_ds_do_implicit_return (
	union acpi_operand_object       *return_desc,
	struct acpi_walk_state          *walk_state,
	u8                              add_reference);

u8
acpi_ds_is_result_used (
	union acpi_parse_object         *op,
	struct acpi_walk_state          *walk_state);

void
acpi_ds_delete_result_if_not_used (
	union acpi_parse_object         *op,
	union acpi_operand_object       *result_obj,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_create_operand (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *arg,
	u32                             args_remaining);

acpi_status
acpi_ds_create_operands (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *first_arg);

acpi_status
acpi_ds_resolve_operands (
	struct acpi_walk_state          *walk_state);

void
acpi_ds_clear_operands (
	struct acpi_walk_state          *walk_state);


/*
 * dswscope - Scope Stack manipulation
 */
acpi_status
acpi_ds_scope_stack_push (
	struct acpi_namespace_node      *node,
	acpi_object_type                type,
	struct acpi_walk_state          *walk_state);


acpi_status
acpi_ds_scope_stack_pop (
	struct acpi_walk_state          *walk_state);

void
acpi_ds_scope_stack_clear (
	struct acpi_walk_state          *walk_state);


/*
 * dswstate - parser WALK_STATE management routines
 */
acpi_status
acpi_ds_obj_stack_push (
	void                            *object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_obj_stack_pop (
	u32                             pop_count,
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_create_walk_state (
	acpi_owner_id                   owner_id,
	union acpi_parse_object         *origin,
	union acpi_operand_object       *mth_desc,
	struct acpi_thread_state        *thread);

acpi_status
acpi_ds_init_aml_walk (
	struct acpi_walk_state          *walk_state,
	union acpi_parse_object         *op,
	struct acpi_namespace_node      *method_node,
	u8                              *aml_start,
	u32                             aml_length,
	struct acpi_parameter_info      *info,
	u32                             pass_number);

acpi_status
acpi_ds_obj_stack_pop_and_delete (
	u32                             pop_count,
	struct acpi_walk_state          *walk_state);

void
acpi_ds_delete_walk_state (
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_pop_walk_state (
	struct acpi_thread_state        *thread);

void
acpi_ds_push_walk_state (
	struct acpi_walk_state          *walk_state,
	struct acpi_thread_state        *thread);

acpi_status
acpi_ds_result_stack_pop (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_stack_push (
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_stack_clear (
	struct acpi_walk_state          *walk_state);

struct acpi_walk_state *
acpi_ds_get_current_walk_state (
	struct acpi_thread_state        *thread);

#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_ds_result_remove (
	union acpi_operand_object       **object,
	u32                             index,
	struct acpi_walk_state          *walk_state);
#endif

acpi_status
acpi_ds_result_pop (
	union acpi_operand_object       **object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_push (
	union acpi_operand_object       *object,
	struct acpi_walk_state          *walk_state);

acpi_status
acpi_ds_result_pop_from_bottom (
	union acpi_operand_object       **object,
	struct acpi_walk_state          *walk_state);

#endif /* _ACDISPAT_H_ */