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/******************************************************************************
*
* Module Name: acparser.h - AML Parser subcomponent prototypes and defines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2003, 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 __ACPARSER_H__
#define __ACPARSER_H__
#define OP_HAS_RETURN_VALUE 1
/* variable # arguments */
#define ACPI_VAR_ARGS ACPI_UINT32_MAX
#define ACPI_PARSE_DELETE_TREE 0x0001
#define ACPI_PARSE_NO_TREE_DELETE 0x0000
#define ACPI_PARSE_TREE_MASK 0x0001
#define ACPI_PARSE_LOAD_PASS1 0x0010
#define ACPI_PARSE_LOAD_PASS2 0x0020
#define ACPI_PARSE_EXECUTE 0x0030
#define ACPI_PARSE_MODE_MASK 0x0030
#define ACPI_PARSE_DEFERRED_OP 0x0100
/* Parser external interfaces */
acpi_status
acpi_psx_load_table (
u8 *pcode_addr,
u32 pcode_length);
acpi_status
acpi_psx_execute (
struct acpi_namespace_node *method_node,
union acpi_operand_object **params,
union acpi_operand_object **return_obj_desc);
/******************************************************************************
*
* Parser interfaces
*
*****************************************************************************/
/* psargs - Parse AML opcode arguments */
u8 *
acpi_ps_get_next_package_end (
struct acpi_parse_state *parser_state);
u32
acpi_ps_get_next_package_length (
struct acpi_parse_state *parser_state);
char *
acpi_ps_get_next_namestring (
struct acpi_parse_state *parser_state);
void
acpi_ps_get_next_simple_arg (
struct acpi_parse_state *parser_state,
u32 arg_type,
union acpi_parse_object *arg);
acpi_status
acpi_ps_get_next_namepath (
struct acpi_walk_state *walk_state,
struct acpi_parse_state *parser_state,
union acpi_parse_object *arg,
u8 method_call);
union acpi_parse_object *
acpi_ps_get_next_field (
struct acpi_parse_state *parser_state);
acpi_status
acpi_ps_get_next_arg (
struct acpi_walk_state *walk_state,
struct acpi_parse_state *parser_state,
u32 arg_type,
union acpi_parse_object **return_arg);
/* psfind */
union acpi_parse_object *
acpi_ps_find_name (
union acpi_parse_object *scope,
u32 name,
u32 opcode);
union acpi_parse_object*
acpi_ps_get_parent (
union acpi_parse_object *op);
/* psopcode - AML Opcode information */
const struct acpi_opcode_info *
acpi_ps_get_opcode_info (
u16 opcode);
char *
acpi_ps_get_opcode_name (
u16 opcode);
/* psparse - top level parsing routines */
u32
acpi_ps_get_opcode_size (
u32 opcode);
void
acpi_ps_complete_this_op (
struct acpi_walk_state *walk_state,
union acpi_parse_object *op);
acpi_status
acpi_ps_next_parse_state (
struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
acpi_status callback_status);
acpi_status
acpi_ps_find_object (
struct acpi_walk_state *walk_state,
union acpi_parse_object **out_op);
void
acpi_ps_delete_parse_tree (
union acpi_parse_object *root);
acpi_status
acpi_ps_parse_loop (
struct acpi_walk_state *walk_state);
acpi_status
acpi_ps_parse_aml (
struct acpi_walk_state *walk_state);
acpi_status
acpi_ps_parse_table (
u8 *aml,
u32 aml_size,
acpi_parse_downwards descending_callback,
acpi_parse_upwards ascending_callback,
union acpi_parse_object **root_object);
u16
acpi_ps_peek_opcode (
struct acpi_parse_state *state);
/* psscope - Scope stack management routines */
acpi_status
acpi_ps_init_scope (
struct acpi_parse_state *parser_state,
union acpi_parse_object *root);
union acpi_parse_object *
acpi_ps_get_parent_scope (
struct acpi_parse_state *state);
u8
acpi_ps_has_completed_scope (
struct acpi_parse_state *parser_state);
void
acpi_ps_pop_scope (
struct acpi_parse_state *parser_state,
union acpi_parse_object **op,
u32 *arg_list,
u32 *arg_count);
acpi_status
acpi_ps_push_scope (
struct acpi_parse_state *parser_state,
union acpi_parse_object *op,
u32 remaining_args,
u32 arg_count);
void
acpi_ps_cleanup_scope (
struct acpi_parse_state *state);
/* pstree - parse tree manipulation routines */
void
acpi_ps_append_arg(
union acpi_parse_object *op,
union acpi_parse_object *arg);
union acpi_parse_object*
acpi_ps_find (
union acpi_parse_object *scope,
char *path,
u16 opcode,
u32 create);
union acpi_parse_object *
acpi_ps_get_arg(
union acpi_parse_object *op,
u32 argn);
union acpi_parse_object *
acpi_ps_get_child (
union acpi_parse_object *op);
union acpi_parse_object *
acpi_ps_get_depth_next (
union acpi_parse_object *origin,
union acpi_parse_object *op);
/* pswalk - parse tree walk routines */
acpi_status
acpi_ps_walk_parsed_aml (
union acpi_parse_object *start_op,
union acpi_parse_object *end_op,
union acpi_operand_object *mth_desc,
struct acpi_namespace_node *start_node,
union acpi_operand_object **params,
union acpi_operand_object **caller_return_desc,
acpi_owner_id owner_id,
acpi_parse_downwards descending_callback,
acpi_parse_upwards ascending_callback);
acpi_status
acpi_ps_get_next_walk_op (
struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
acpi_parse_upwards ascending_callback);
acpi_status
acpi_ps_delete_completed_op (
struct acpi_walk_state *walk_state);
/* psutils - parser utilities */
union acpi_parse_object *
acpi_ps_create_scope_op (
void);
void
acpi_ps_init_op (
union acpi_parse_object *op,
u16 opcode);
union acpi_parse_object *
acpi_ps_alloc_op (
u16 opcode);
void
acpi_ps_free_op (
union acpi_parse_object *op);
void
acpi_ps_delete_parse_cache (
void);
u8
acpi_ps_is_leading_char (
u32 c);
u8
acpi_ps_is_prefix_char (
u32 c);
u32
acpi_ps_get_name(
union acpi_parse_object *op);
void
acpi_ps_set_name(
union acpi_parse_object *op,
u32 name);
/* psdump - display parser tree */
u32
acpi_ps_sprint_path (
char *buffer_start,
u32 buffer_size,
union acpi_parse_object *op);
u32
acpi_ps_sprint_op (
char *buffer_start,
u32 buffer_size,
union acpi_parse_object *op);
void
acpi_ps_show (
union acpi_parse_object *op);
#endif /* __ACPARSER_H__ */