/******************************************************************************
*
* Name: acstruct.h - Internal structs
* $Revision: 10 $
*
*****************************************************************************/
/*
* 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
*/
#ifndef __ACSTRUCT_H__
#define __ACSTRUCT_H__
/*****************************************************************************
*
* Tree walking typedefs and structs
*
****************************************************************************/
/*
* Walk state - current state of a parse tree walk. Used for both a leisurely stroll through
* the tree (for whatever reason), and for control method execution.
*/
#define NEXT_OP_DOWNWARD 1
#define NEXT_OP_UPWARD 2
#define WALK_NON_METHOD 0
#define WALK_METHOD 1
#define WALK_METHOD_RESTART 2
typedef struct acpi_walk_state
{
u8 data_type; /* To differentiate various internal objs MUST BE FIRST!*/\
acpi_owner_id owner_id; /* Owner of objects created during the walk */
u8 last_predicate; /* Result of last predicate */
u8 current_result; /* */
u8 next_op_info; /* Info about Next_op */
u8 num_operands; /* Stack pointer for Operands[] array */
u8 return_used;
u8 walk_type;
u16 current_sync_level; /* Mutex Sync (nested acquire) level */
u16 opcode; /* Current AML opcode */
u32 arg_count; /* push for fixed or var args */
u32 aml_offset;
u32 arg_types;
u32 method_breakpoint; /* For single stepping */
u32 parse_flags;
u32 prev_arg_types;
u8 *aml_last_while;
struct acpi_node arguments[MTH_NUM_ARGS]; /* Control method arguments */
union acpi_operand_obj **caller_return_desc;
acpi_generic_state *control_state; /* List of control states (nested IFs) */
struct acpi_node local_variables[MTH_NUM_LOCALS]; /* Control method locals */
struct acpi_node *method_call_node; /* Called method Node*/
acpi_parse_object *method_call_op; /* Method_call Op if running a method */
union acpi_operand_obj *method_desc; /* Method descriptor if running a method */
struct acpi_node *method_node; /* Method Node if running a method */
acpi_parse_object *op; /* Current parser op */
union acpi_operand_obj *operands[OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
const acpi_opcode_info *op_info; /* Info on current opcode */
acpi_parse_object *origin; /* Start of walk [Obsolete] */
union acpi_operand_obj **params;
acpi_parse_state parser_state; /* Current state of parser */
union acpi_operand_obj *result_obj;
acpi_generic_state *results; /* Stack of accumulated results */
union acpi_operand_obj *return_desc; /* Return object, if any */
acpi_generic_state *scope_info; /* Stack of nested scopes */
/* TBD: Obsolete with removal of WALK procedure ? */
acpi_parse_object *prev_op; /* Last op that was processed */
acpi_parse_object *next_op; /* next op to be processed */
acpi_parse_downwards descending_callback;
acpi_parse_upwards ascending_callback;
struct acpi_walk_list *walk_list;
struct acpi_walk_state *next; /* Next Walk_state in list */
} acpi_walk_state;
/*
* Walk list - head of a tree of walk states. Multiple walk states are created when there
* are nested control methods executing.
*/
typedef struct acpi_walk_list
{
acpi_walk_state *walk_state;
ACPI_OBJECT_MUTEX acquired_mutex_list; /* List of all currently acquired mutexes */
} acpi_walk_list;
/* Info used by Acpi_ps_init_objects */
typedef struct acpi_init_walk_info
{
u16 method_count;
u16 op_region_count;
u16 field_count;
u16 op_region_init;
u16 field_init;
u16 object_count;
acpi_table_desc *table_desc;
} acpi_init_walk_info;
/* Info used by TBD */
typedef struct acpi_device_walk_info
{
u16 device_count;
u16 num_STA;
u16 num_INI;
acpi_table_desc *table_desc;
} acpi_device_walk_info;
/* TBD: [Restructure] Merge with struct above */
typedef struct acpi_walk_info
{
u32 debug_level;
u32 owner_id;
u8 display_type;
} acpi_walk_info;
/* Display Types */
#define ACPI_DISPLAY_SUMMARY 0
#define ACPI_DISPLAY_OBJECTS 1
typedef struct acpi_get_devices_info
{
acpi_walk_callback user_function;
void *context;
NATIVE_CHAR *hid;
} acpi_get_devices_info;
typedef union acpi_aml_operands
{
acpi_operand_object *operands[7];
struct
{
ACPI_OBJECT_INTEGER *type;
ACPI_OBJECT_INTEGER *code;
ACPI_OBJECT_INTEGER *argument;
} fatal;
struct
{
acpi_operand_object *source;
ACPI_OBJECT_INTEGER *index;
acpi_operand_object *target;
} index;
struct
{
acpi_operand_object *source;
ACPI_OBJECT_INTEGER *index;
ACPI_OBJECT_INTEGER *length;
acpi_operand_object *target;
} mid;
} ACPI_AML_OPERANDS;
#endif