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/******************************************************************************
*
* Name: acstruct.h - Internal structs
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* 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 __ACSTRUCT_H__
#define __ACSTRUCT_H__
/* acpisrc:StructDefs -- for acpisrc conversion */
/*****************************************************************************
*
* 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 ACPI_NEXT_OP_DOWNWARD 1
#define ACPI_NEXT_OP_UPWARD 2
/*
* Groups of definitions for WalkType used for different implementations of
* walkers (never simultaneously) - flags for interpreter:
*/
#define ACPI_WALK_NON_METHOD 0
#define ACPI_WALK_METHOD 0x01
#define ACPI_WALK_METHOD_RESTART 0x02
/* Flags for iASL compiler only */
#define ACPI_WALK_CONST_REQUIRED 0x10
#define ACPI_WALK_CONST_OPTIONAL 0x20
typedef struct acpi_walk_state
{
struct acpi_walk_state *Next; /* Next WalkState in list */
UINT8 DescriptorType; /* To differentiate various internal objs */
UINT8 WalkType;
UINT16 Opcode; /* Current AML opcode */
UINT8 NextOpInfo; /* Info about NextOp */
UINT8 NumOperands; /* Stack pointer for Operands[] array */
UINT8 OperandIndex; /* Index into operand stack, to be used by AcpiDsObjStackPush */
ACPI_OWNER_ID OwnerId; /* Owner of objects created during the walk */
BOOLEAN LastPredicate; /* Result of last predicate */
UINT8 CurrentResult;
UINT8 ReturnUsed;
UINT8 ScopeDepth;
UINT8 PassNumber; /* Parse pass during table load */
UINT8 ResultSize; /* Total elements for the result stack */
UINT8 ResultCount; /* Current number of occupied elements of result stack */
UINT32 AmlOffset;
UINT32 ArgTypes;
UINT32 MethodBreakpoint; /* For single stepping */
UINT32 UserBreakpoint; /* User AML breakpoint */
UINT32 ParseFlags;
ACPI_PARSE_STATE ParserState; /* Current state of parser */
UINT32 PrevArgTypes;
UINT32 ArgCount; /* push for fixed or var args */
struct acpi_namespace_node Arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
struct acpi_namespace_node LocalVariables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
union acpi_operand_object *Operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
union acpi_operand_object **Params;
UINT8 *AmlLastWhile;
union acpi_operand_object **CallerReturnDesc;
ACPI_GENERIC_STATE *ControlState; /* List of control states (nested IFs) */
struct acpi_namespace_node *DeferredNode; /* Used when executing deferred opcodes */
union acpi_operand_object *ImplicitReturnObj;
struct acpi_namespace_node *MethodCallNode; /* Called method Node*/
ACPI_PARSE_OBJECT *MethodCallOp; /* MethodCall Op if running a method */
union acpi_operand_object *MethodDesc; /* Method descriptor if running a method */
struct acpi_namespace_node *MethodNode; /* Method node if running a method. */
ACPI_PARSE_OBJECT *Op; /* Current parser op */
const ACPI_OPCODE_INFO *OpInfo; /* Info on current opcode */
ACPI_PARSE_OBJECT *Origin; /* Start of walk [Obsolete] */
union acpi_operand_object *ResultObj;
ACPI_GENERIC_STATE *Results; /* Stack of accumulated results */
union acpi_operand_object *ReturnDesc; /* Return object, if any */
ACPI_GENERIC_STATE *ScopeInfo; /* Stack of nested scopes */
ACPI_PARSE_OBJECT *PrevOp; /* Last op that was processed */
ACPI_PARSE_OBJECT *NextOp; /* next op to be processed */
ACPI_THREAD_STATE *Thread;
ACPI_PARSE_DOWNWARDS DescendingCallback;
ACPI_PARSE_UPWARDS AscendingCallback;
} ACPI_WALK_STATE;
/* Info used by AcpiNsInitializeObjects and AcpiDsInitializeObjects */
typedef struct acpi_init_walk_info
{
UINT32 TableIndex;
UINT32 ObjectCount;
UINT32 MethodCount;
UINT32 DeviceCount;
UINT32 OpRegionCount;
UINT32 FieldCount;
UINT32 BufferCount;
UINT32 PackageCount;
UINT32 OpRegionInit;
UINT32 FieldInit;
UINT32 BufferInit;
UINT32 PackageInit;
ACPI_OWNER_ID OwnerId;
} ACPI_INIT_WALK_INFO;
typedef struct acpi_get_devices_info
{
ACPI_WALK_CALLBACK UserFunction;
void *Context;
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;
/*
* Structure used to pass object evaluation parameters.
* Purpose is to reduce CPU stack use.
*/
typedef struct acpi_evaluate_info
{
ACPI_NAMESPACE_NODE *PrefixNode;
char *Pathname;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT **Parameters;
ACPI_NAMESPACE_NODE *ResolvedNode;
ACPI_OPERAND_OBJECT *ReturnObject;
UINT8 ParamCount;
UINT8 PassNumber;
UINT8 ReturnObjectType;
UINT8 Flags;
} ACPI_EVALUATE_INFO;
/* Values for Flags above */
#define ACPI_IGNORE_RETURN_VALUE 1
/* Info used by AcpiNsInitializeDevices */
typedef struct acpi_device_walk_info
{
ACPI_TABLE_DESC *TableDesc;
ACPI_EVALUATE_INFO *EvaluateInfo;
UINT32 DeviceCount;
UINT32 Num_STA;
UINT32 Num_INI;
} ACPI_DEVICE_WALK_INFO;
/* TBD: [Restructure] Merge with struct above */
typedef struct acpi_walk_info
{
UINT32 DebugLevel;
UINT32 Count;
ACPI_OWNER_ID OwnerId;
UINT8 DisplayType;
} ACPI_WALK_INFO;
/* Display Types */
#define ACPI_DISPLAY_SUMMARY (UINT8) 0
#define ACPI_DISPLAY_OBJECTS (UINT8) 1
#define ACPI_DISPLAY_MASK (UINT8) 1
#define ACPI_DISPLAY_SHORT (UINT8) 2
#endif
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