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https://github.com/torvalds/linux
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234 lines
7.3 KiB
C
234 lines
7.3 KiB
C
/******************************************************************************
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*
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* Module Name: acparser.h - AML Parser subcomponent prototypes and defines
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2008, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACPARSER_H__
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#define __ACPARSER_H__
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#define OP_HAS_RETURN_VALUE 1
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/* Variable number of arguments. This field must be 32 bits */
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#define ACPI_VAR_ARGS ACPI_UINT32_MAX
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#define ACPI_PARSE_DELETE_TREE 0x0001
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#define ACPI_PARSE_NO_TREE_DELETE 0x0000
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#define ACPI_PARSE_TREE_MASK 0x0001
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#define ACPI_PARSE_LOAD_PASS1 0x0010
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#define ACPI_PARSE_LOAD_PASS2 0x0020
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#define ACPI_PARSE_EXECUTE 0x0030
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#define ACPI_PARSE_MODE_MASK 0x0030
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#define ACPI_PARSE_DEFERRED_OP 0x0100
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#define ACPI_PARSE_DISASSEMBLE 0x0200
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/******************************************************************************
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*
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* Parser interfaces
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*
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*****************************************************************************/
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/*
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* psxface - Parser external interfaces
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*/
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acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
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/*
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* psargs - Parse AML opcode arguments
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*/
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u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state);
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char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state);
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void
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acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
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u32 arg_type, union acpi_parse_object *arg);
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acpi_status
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acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
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struct acpi_parse_state *parser_state,
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union acpi_parse_object *arg, u8 method_call);
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acpi_status
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acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
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struct acpi_parse_state *parser_state,
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u32 arg_type, union acpi_parse_object **return_arg);
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/*
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* psfind
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*/
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union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
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u32 name, u32 opcode);
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union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
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/*
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* psopcode - AML Opcode information
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*/
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const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
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char *acpi_ps_get_opcode_name(u16 opcode);
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u8 acpi_ps_get_argument_count(u32 op_type);
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/*
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* psparse - top level parsing routines
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*/
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acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
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u32 acpi_ps_get_opcode_size(u32 opcode);
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u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
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acpi_status
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acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
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union acpi_parse_object *op);
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acpi_status
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acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
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union acpi_parse_object *op,
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acpi_status callback_status);
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/*
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* psloop - main parse loop
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*/
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acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state);
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/*
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* psscope - Scope stack management routines
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*/
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acpi_status
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acpi_ps_init_scope(struct acpi_parse_state *parser_state,
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union acpi_parse_object *root);
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union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
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*state);
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u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state);
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void
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acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
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union acpi_parse_object **op,
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u32 * arg_list, u32 * arg_count);
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acpi_status
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acpi_ps_push_scope(struct acpi_parse_state *parser_state,
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union acpi_parse_object *op,
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u32 remaining_args, u32 arg_count);
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void acpi_ps_cleanup_scope(struct acpi_parse_state *state);
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/*
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* pstree - parse tree manipulation routines
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*/
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void
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acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg);
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union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope,
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char *path, u16 opcode, u32 create);
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union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn);
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#ifdef ACPI_FUTURE_USAGE
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union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
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union acpi_parse_object *op);
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#endif /* ACPI_FUTURE_USAGE */
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/*
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* pswalk - parse tree walk routines
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*/
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acpi_status
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acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op,
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union acpi_parse_object *end_op,
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union acpi_operand_object *mth_desc,
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struct acpi_namespace_node *start_node,
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union acpi_operand_object **params,
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union acpi_operand_object **caller_return_desc,
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acpi_owner_id owner_id,
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acpi_parse_downwards descending_callback,
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acpi_parse_upwards ascending_callback);
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acpi_status
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acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state,
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union acpi_parse_object *op,
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acpi_parse_upwards ascending_callback);
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acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state);
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void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
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/*
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* psutils - parser utilities
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*/
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union acpi_parse_object *acpi_ps_create_scope_op(void);
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void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
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union acpi_parse_object *acpi_ps_alloc_op(u16 opcode);
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void acpi_ps_free_op(union acpi_parse_object *op);
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u8 acpi_ps_is_leading_char(u32 c);
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u8 acpi_ps_is_prefix_char(u32 c);
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#ifdef ACPI_FUTURE_USAGE
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u32 acpi_ps_get_name(union acpi_parse_object *op);
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#endif /* ACPI_FUTURE_USAGE */
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void acpi_ps_set_name(union acpi_parse_object *op, u32 name);
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/*
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* psdump - display parser tree
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*/
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u32
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acpi_ps_sprint_path(char *buffer_start,
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u32 buffer_size, union acpi_parse_object *op);
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u32
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acpi_ps_sprint_op(char *buffer_start,
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u32 buffer_size, union acpi_parse_object *op);
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void acpi_ps_show(union acpi_parse_object *op);
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#endif /* __ACPARSER_H__ */
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