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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Module Name: acparser.h - AML Parser subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
#ifndef __ACPARSER_H__
#define __ACPARSER_H__
#define OP_HAS_RETURN_VALUE 1
/* Variable number of arguments. This field must be 32 bits */
#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
#define ACPI_PARSE_DISASSEMBLE 0x0200
#define ACPI_PARSE_MODULE_LEVEL 0x0400
/******************************************************************************
*
* Parser interfaces
*
*****************************************************************************/
extern const u8 acpi_gbl_short_op_index[];
extern const u8 acpi_gbl_long_op_index[];
/*
* psxface - Parser external interfaces
*/
acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info);
/*
* psargs - Parse AML opcode arguments
*/
u8 *acpi_ps_get_next_package_end(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 possible_method_call);
/* Values for u8 above */
#define ACPI_NOT_METHOD_CALL FALSE
#define ACPI_POSSIBLE_METHOD_CALL TRUE
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);
/*
* psobject - support for parse object processing
*/
acpi_status
acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
u8 *aml_op_start,
union acpi_parse_object *unnamed_op,
union acpi_parse_object **op);
acpi_status
acpi_ps_create_op(struct acpi_walk_state *walk_state,
u8 *aml_op_start, union acpi_parse_object **new_op);
acpi_status
acpi_ps_complete_op(struct acpi_walk_state *walk_state,
union acpi_parse_object **op, acpi_status status);
acpi_status
acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
union acpi_parse_object *op, acpi_status status);
/*
* psopinfo - AML Opcode information
*/
const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
const char *acpi_ps_get_opcode_name(u16 opcode);
u8 acpi_ps_get_argument_count(u32 op_type);
/*
* psparse - top level parsing routines
*/
acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
u32 acpi_ps_get_opcode_size(u32 opcode);
u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
acpi_status
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);
/*
* psloop - main parse loop
*/
acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_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_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);
void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
/*
* psutils - parser utilities
*/
union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml);
void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml);
void acpi_ps_free_op(union acpi_parse_object *op);
u8 acpi_ps_is_leading_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__ */
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