255 lines
9.9 KiB
C
255 lines
9.9 KiB
C
/******************************************************************************
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*
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* Name: acstruct.h - Internal structs
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2011, 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 __ACSTRUCT_H__
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#define __ACSTRUCT_H__
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/* acpisrc:StructDefs -- for acpisrc conversion */
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/*****************************************************************************
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*
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* Tree walking typedefs and structs
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*
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****************************************************************************/
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/*
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* Walk state - current state of a parse tree walk. Used for both a leisurely
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* stroll through the tree (for whatever reason), and for control method
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* execution.
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*/
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#define ACPI_NEXT_OP_DOWNWARD 1
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#define ACPI_NEXT_OP_UPWARD 2
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/*
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* Groups of definitions for WalkType used for different implementations of
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* walkers (never simultaneously) - flags for interpreter:
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*/
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#define ACPI_WALK_NON_METHOD 0
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#define ACPI_WALK_METHOD 0x01
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#define ACPI_WALK_METHOD_RESTART 0x02
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/* Flags for iASL compiler only */
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#define ACPI_WALK_CONST_REQUIRED 0x10
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#define ACPI_WALK_CONST_OPTIONAL 0x20
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typedef struct acpi_walk_state
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{
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struct acpi_walk_state *Next; /* Next WalkState in list */
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UINT8 DescriptorType; /* To differentiate various internal objs */
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UINT8 WalkType;
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UINT16 Opcode; /* Current AML opcode */
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UINT8 NextOpInfo; /* Info about NextOp */
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UINT8 NumOperands; /* Stack pointer for Operands[] array */
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UINT8 OperandIndex; /* Index into operand stack, to be used by AcpiDsObjStackPush */
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ACPI_OWNER_ID OwnerId; /* Owner of objects created during the walk */
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BOOLEAN LastPredicate; /* Result of last predicate */
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UINT8 CurrentResult;
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UINT8 ReturnUsed;
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UINT8 ScopeDepth;
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UINT8 PassNumber; /* Parse pass during table load */
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UINT8 ResultSize; /* Total elements for the result stack */
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UINT8 ResultCount; /* Current number of occupied elements of result stack */
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UINT32 AmlOffset;
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UINT32 ArgTypes;
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UINT32 MethodBreakpoint; /* For single stepping */
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UINT32 UserBreakpoint; /* User AML breakpoint */
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UINT32 ParseFlags;
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ACPI_PARSE_STATE ParserState; /* Current state of parser */
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UINT32 PrevArgTypes;
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UINT32 ArgCount; /* push for fixed or var args */
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struct acpi_namespace_node Arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */
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struct acpi_namespace_node LocalVariables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */
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union acpi_operand_object *Operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
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union acpi_operand_object **Params;
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UINT8 *AmlLastWhile;
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union acpi_operand_object **CallerReturnDesc;
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ACPI_GENERIC_STATE *ControlState; /* List of control states (nested IFs) */
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struct acpi_namespace_node *DeferredNode; /* Used when executing deferred opcodes */
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union acpi_operand_object *ImplicitReturnObj;
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struct acpi_namespace_node *MethodCallNode; /* Called method Node*/
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ACPI_PARSE_OBJECT *MethodCallOp; /* MethodCall Op if running a method */
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union acpi_operand_object *MethodDesc; /* Method descriptor if running a method */
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struct acpi_namespace_node *MethodNode; /* Method node if running a method. */
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ACPI_PARSE_OBJECT *Op; /* Current parser op */
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const ACPI_OPCODE_INFO *OpInfo; /* Info on current opcode */
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ACPI_PARSE_OBJECT *Origin; /* Start of walk [Obsolete] */
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union acpi_operand_object *ResultObj;
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ACPI_GENERIC_STATE *Results; /* Stack of accumulated results */
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union acpi_operand_object *ReturnDesc; /* Return object, if any */
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ACPI_GENERIC_STATE *ScopeInfo; /* Stack of nested scopes */
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ACPI_PARSE_OBJECT *PrevOp; /* Last op that was processed */
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ACPI_PARSE_OBJECT *NextOp; /* next op to be processed */
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ACPI_THREAD_STATE *Thread;
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ACPI_PARSE_DOWNWARDS DescendingCallback;
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ACPI_PARSE_UPWARDS AscendingCallback;
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} ACPI_WALK_STATE;
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/* Info used by AcpiNsInitializeObjects and AcpiDsInitializeObjects */
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typedef struct acpi_init_walk_info
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{
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UINT32 TableIndex;
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UINT32 ObjectCount;
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UINT32 MethodCount;
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UINT32 DeviceCount;
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UINT32 OpRegionCount;
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UINT32 FieldCount;
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UINT32 BufferCount;
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UINT32 PackageCount;
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UINT32 OpRegionInit;
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UINT32 FieldInit;
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UINT32 BufferInit;
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UINT32 PackageInit;
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ACPI_OWNER_ID OwnerId;
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} ACPI_INIT_WALK_INFO;
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typedef struct acpi_get_devices_info
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{
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ACPI_WALK_CALLBACK UserFunction;
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void *Context;
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char *Hid;
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} ACPI_GET_DEVICES_INFO;
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typedef union acpi_aml_operands
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{
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ACPI_OPERAND_OBJECT *Operands[7];
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struct
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{
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ACPI_OBJECT_INTEGER *Type;
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ACPI_OBJECT_INTEGER *Code;
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ACPI_OBJECT_INTEGER *Argument;
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} Fatal;
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struct
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{
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ACPI_OPERAND_OBJECT *Source;
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ACPI_OBJECT_INTEGER *Index;
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ACPI_OPERAND_OBJECT *Target;
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} Index;
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struct
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{
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ACPI_OPERAND_OBJECT *Source;
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ACPI_OBJECT_INTEGER *Index;
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ACPI_OBJECT_INTEGER *Length;
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ACPI_OPERAND_OBJECT *Target;
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} Mid;
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} ACPI_AML_OPERANDS;
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/*
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* Structure used to pass object evaluation parameters.
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* Purpose is to reduce CPU stack use.
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*/
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typedef struct acpi_evaluate_info
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{
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ACPI_NAMESPACE_NODE *PrefixNode;
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char *Pathname;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_OPERAND_OBJECT **Parameters;
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ACPI_NAMESPACE_NODE *ResolvedNode;
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ACPI_OPERAND_OBJECT *ReturnObject;
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UINT8 ParamCount;
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UINT8 PassNumber;
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UINT8 ReturnObjectType;
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UINT8 Flags;
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} ACPI_EVALUATE_INFO;
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/* Values for Flags above */
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#define ACPI_IGNORE_RETURN_VALUE 1
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/* Info used by AcpiNsInitializeDevices */
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typedef struct acpi_device_walk_info
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{
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ACPI_TABLE_DESC *TableDesc;
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ACPI_EVALUATE_INFO *EvaluateInfo;
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UINT32 DeviceCount;
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UINT32 Num_STA;
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UINT32 Num_INI;
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} ACPI_DEVICE_WALK_INFO;
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/* TBD: [Restructure] Merge with struct above */
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typedef struct acpi_walk_info
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{
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UINT32 DebugLevel;
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UINT32 Count;
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ACPI_OWNER_ID OwnerId;
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UINT8 DisplayType;
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} ACPI_WALK_INFO;
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/* Display Types */
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#define ACPI_DISPLAY_SUMMARY (UINT8) 0
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#define ACPI_DISPLAY_OBJECTS (UINT8) 1
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#define ACPI_DISPLAY_MASK (UINT8) 1
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#define ACPI_DISPLAY_SHORT (UINT8) 2
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#endif
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