ACPI_STATUS
AcpiExOpcode_1A_1T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];


    ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_1T_0R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the AML opcode */

    switch (WalkState->Opcode)
    {
    case AML_LOAD_OP:

        Status = AcpiExLoadOp (Operand[0], Operand[1], WalkState);
        break;

    default:                        /* Unknown opcode */

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
        goto Cleanup;
    }


Cleanup:

    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiExOpcode_2A_0T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_NAMESPACE_NODE     *Node;
    UINT32                  Value;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_0T_0R,
            AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the opcode */

    switch (WalkState->Opcode)
    {
    case AML_NOTIFY_OP:         /* Notify (NotifyObject, NotifyValue) */

        /* The first operand is a namespace node */

        Node = (ACPI_NAMESPACE_NODE *) Operand[0];

        /* Second value is the notify value */

        Value = (UINT32) Operand[1]->Integer.Value;

        /* Are notifies allowed on this object? */

        if (!AcpiEvIsNotifyObject (Node))
        {
            ACPI_ERROR ((AE_INFO,
                "Unexpected notify object type [%s]",
                AcpiUtGetTypeName (Node->Type)));

            Status = AE_AML_OPERAND_TYPE;
            break;
        }

        /*
         * Dispatch the notify to the appropriate handler
         * NOTE: the request is queued for execution after this method
         * completes.  The notify handlers are NOT invoked synchronously
         * from this thread -- because handlers may in turn run other
         * control methods.
         */
        Status = AcpiEvQueueNotifyRequest (Node, Value);
        break;


    default:

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
    }

    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiExOpcode_1A_0T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_0T_0R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the AML opcode */

    switch (WalkState->Opcode)
    {
    case AML_RELEASE_OP:    /*  Release (MutexObject) */

        Status = AcpiExReleaseMutex (Operand[0], WalkState);
        break;

    case AML_RESET_OP:      /*  Reset (EventObject) */

        Status = AcpiExSystemResetEvent (Operand[0]);
        break;

    case AML_SIGNAL_OP:     /*  Signal (EventObject) */

        Status = AcpiExSystemSignalEvent (Operand[0]);
        break;

    case AML_SLEEP_OP:      /*  Sleep (MsecTime) */

        Status = AcpiExSystemDoSleep (Operand[0]->Integer.Value);
        break;

    case AML_STALL_OP:      /*  Stall (UsecTime) */

        Status = AcpiExSystemDoStall ((UINT32) Operand[0]->Integer.Value);
        break;

    case AML_UNLOAD_OP:     /*  Unload (Handle) */

        Status = AcpiExUnloadTable (Operand[0]);
        break;

    default:                /*  Unknown opcode  */

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
        break;
    }

    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiExOpcode_0A_0T_1R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_STATUS             Status = AE_OK;
    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_0A_0T_1R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the AML opcode */

    switch (WalkState->Opcode)
    {
    case AML_TIMER_OP:      /*  Timer () */

        /* Create a return object of type Integer */

        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
        if (!ReturnDesc)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }
#if ACPI_MACHINE_WIDTH != 16
        ReturnDesc->Integer.Value = AcpiOsGetTimer ();
#endif
        break;

    default:                /*  Unknown opcode  */

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
        break;
    }

Cleanup:

    /* Delete return object on error */

    if ((ACPI_FAILURE (Status)) || WalkState->ResultObj)
    {
        AcpiUtRemoveReference (ReturnDesc);
    }
    else
    {
        /* Save the return value */

        WalkState->ResultObj = ReturnDesc;
    }

    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiExOpcode_3A_0T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_SIGNAL_FATAL_INFO  *Fatal;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_3A_0T_0R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    switch (WalkState->Opcode)
    {
    case AML_FATAL_OP:          /* Fatal (FatalType  FatalCode  FatalArg) */

        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
            "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
            (UINT32) Operand[0]->Integer.Value,
            (UINT32) Operand[1]->Integer.Value,
            (UINT32) Operand[2]->Integer.Value));

        Fatal = ACPI_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO));
        if (Fatal)
        {
            Fatal->Type     = (UINT32) Operand[0]->Integer.Value;
            Fatal->Code     = (UINT32) Operand[1]->Integer.Value;
            Fatal->Argument = (UINT32) Operand[2]->Integer.Value;
        }

        /* Always signal the OS! */

        Status = AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal);

        /* Might return while OS is shutting down, just continue */

        ACPI_FREE (Fatal);
        break;


    default:

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
        goto Cleanup;
    }


Cleanup:

    return_ACPI_STATUS (Status);
}

//.........这里部分代码省略.........

    case ACPI_TYPE_INTEGER:

        if (ACPI_GET_OBJECT_TYPE (SourceDesc) != ACPI_TYPE_INTEGER)
        {
            ACPI_ERROR ((AE_INFO, "Object not a Integer, type %s",
                AcpiUtGetObjectTypeName (SourceDesc)));
            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
        }

        /* Return an additional reference to the object */

        ObjDesc = SourceDesc;
        AcpiUtAddReference (ObjDesc);
        break;


    case ACPI_TYPE_BUFFER_FIELD:
    case ACPI_TYPE_LOCAL_REGION_FIELD:
    case ACPI_TYPE_LOCAL_BANK_FIELD:
    case ACPI_TYPE_LOCAL_INDEX_FIELD:

        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
            "FieldRead Node=%p SourceDesc=%p Type=%X\n",
            Node, SourceDesc, EntryType));

        Status = AcpiExReadDataFromField (WalkState, SourceDesc, &ObjDesc);
        break;

    /* For these objects, just return the object attached to the Node */

    case ACPI_TYPE_MUTEX:
    case ACPI_TYPE_METHOD:
    case ACPI_TYPE_POWER:
    case ACPI_TYPE_PROCESSOR:
    case ACPI_TYPE_EVENT:
    case ACPI_TYPE_REGION:

        /* Return an additional reference to the object */

        ObjDesc = SourceDesc;
        AcpiUtAddReference (ObjDesc);
        break;

    /* TYPE_ANY is untyped, and thus there is no object associated with it */

    case ACPI_TYPE_ANY:

        ACPI_ERROR ((AE_INFO,
            "Untyped entry %p, no attached object!", Node));

        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);  /* Cannot be AE_TYPE */


    case ACPI_TYPE_LOCAL_REFERENCE:

        switch (SourceDesc->Reference.Opcode)
        {
        case AML_LOAD_OP:

            /* This is a DdbHandle */
            /* Return an additional reference to the object */

        case AML_REF_OF_OP:

            ObjDesc = SourceDesc;
            AcpiUtAddReference (ObjDesc);
            break;

        default:
            /* No named references are allowed here */

            ACPI_ERROR ((AE_INFO,
                "Unsupported Reference opcode %X (%s)",
                SourceDesc->Reference.Opcode,
                AcpiPsGetOpcodeName (SourceDesc->Reference.Opcode)));

            return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
        }
        break;


    default:

        /* Default case is for unknown types */

        ACPI_ERROR ((AE_INFO,
            "Node %p - Unknown object type %X",
            Node, EntryType));

        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);

    } /* switch (EntryType) */


    /* Return the object descriptor */

    *ObjectPtr = (void *) ObjDesc;
    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiDsEvalBankFieldOperands (
    ACPI_WALK_STATE         *WalkState,
    ACPI_PARSE_OBJECT       *Op)
{
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *OperandDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_PARSE_OBJECT       *NextOp;
    ACPI_PARSE_OBJECT       *Arg;


    ACPI_FUNCTION_TRACE_PTR (DsEvalBankFieldOperands, Op);


    /*
     * This is where we evaluate the BankValue field of the
     * BankField declaration
     */

    /* NextOp points to the op that holds the Region */

    NextOp = Op->Common.Value.Arg;

    /* NextOp points to the op that holds the Bank Register */

    NextOp = NextOp->Common.Next;

    /* NextOp points to the op that holds the Bank Value */

    NextOp = NextOp->Common.Next;

    /*
     * Set proper index into operand stack for AcpiDsObjStackPush
     * invoked inside AcpiDsCreateOperand.
     *
     * We use WalkState->Operands[0] to store the evaluated BankValue
     */
    WalkState->OperandIndex = 0;

    Status = AcpiDsCreateOperand (WalkState, NextOp, 0);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    Status = AcpiExResolveToValue (&WalkState->Operands[0], WalkState);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS,
        AcpiPsGetOpcodeName (Op->Common.AmlOpcode), 1);
    /*
     * Get the BankValue operand and save it
     * (at Top of stack)
     */
    OperandDesc = WalkState->Operands[0];

    /* Arg points to the start Bank Field */

    Arg = AcpiPsGetArg (Op, 4);
    while (Arg)
    {
        /* Ignore OFFSET and ACCESSAS terms here */

        if (Arg->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
        {
            Node = Arg->Common.Node;

            ObjDesc = AcpiNsGetAttachedObject (Node);
            if (!ObjDesc)
            {
                return_ACPI_STATUS (AE_NOT_EXIST);
            }

            ObjDesc->BankField.Value = (UINT32) OperandDesc->Integer.Value;
        }

        /* Move to next field in the list */

        Arg = Arg->Common.Next;
    }

    AcpiUtRemoveReference (OperandDesc);
    return_ACPI_STATUS (Status);
}

static ACPI_STATUS
AcpiDsInitBufferField (
    UINT16                  AmlOpcode,
    ACPI_OPERAND_OBJECT     *ObjDesc,
    ACPI_OPERAND_OBJECT     *BufferDesc,
    ACPI_OPERAND_OBJECT     *OffsetDesc,
    ACPI_OPERAND_OBJECT     *LengthDesc,
    ACPI_OPERAND_OBJECT     *ResultDesc)
{
    UINT32                  Offset;
    UINT32                  BitOffset;
    UINT32                  BitCount;
    UINT8                   FieldFlags;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE_PTR (DsInitBufferField, ObjDesc);


    /* Host object must be a Buffer */

    if (BufferDesc->Common.Type != ACPI_TYPE_BUFFER)
    {
        ACPI_ERROR ((AE_INFO,
            "Target of Create Field is not a Buffer object - %s",
            AcpiUtGetObjectTypeName (BufferDesc)));

        Status = AE_AML_OPERAND_TYPE;
        goto Cleanup;
    }

    /*
     * The last parameter to all of these opcodes (ResultDesc) started
     * out as a NameString, and should therefore now be a NS node
     * after resolution in AcpiExResolveOperands().
     */
    if (ACPI_GET_DESCRIPTOR_TYPE (ResultDesc) != ACPI_DESC_TYPE_NAMED)
    {
        ACPI_ERROR ((AE_INFO,
            "(%s) destination not a NS Node [%s]",
            AcpiPsGetOpcodeName (AmlOpcode),
            AcpiUtGetDescriptorName (ResultDesc)));

        Status = AE_AML_OPERAND_TYPE;
        goto Cleanup;
    }

    Offset = (UINT32) OffsetDesc->Integer.Value;

    /*
     * Setup the Bit offsets and counts, according to the opcode
     */
    switch (AmlOpcode)
    {
    case AML_CREATE_FIELD_OP:

        /* Offset is in bits, count is in bits */

        FieldFlags = AML_FIELD_ACCESS_BYTE;
        BitOffset  = Offset;
        BitCount   = (UINT32) LengthDesc->Integer.Value;

        /* Must have a valid (>0) bit count */

        if (BitCount == 0)
        {
            ACPI_ERROR ((AE_INFO,
                "Attempt to CreateField of length zero"));
            Status = AE_AML_OPERAND_VALUE;
            goto Cleanup;
        }
        break;

    case AML_CREATE_BIT_FIELD_OP:

        /* Offset is in bits, Field is one bit */

        BitOffset  = Offset;
        BitCount   = 1;
        FieldFlags = AML_FIELD_ACCESS_BYTE;
        break;

    case AML_CREATE_BYTE_FIELD_OP:

        /* Offset is in bytes, field is one byte */

        BitOffset  = 8 * Offset;
        BitCount   = 8;
        FieldFlags = AML_FIELD_ACCESS_BYTE;
        break;

    case AML_CREATE_WORD_FIELD_OP:

        /* Offset is in bytes, field is one word */

        BitOffset  = 8 * Offset;
        BitCount   = 16;
        FieldFlags = AML_FIELD_ACCESS_WORD;
        break;

//.........这里部分代码省略.........

ACPI_STATUS
AcpiExOpcode_1A_0T_1R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_OPERAND_OBJECT     *TempDesc;
    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
    ACPI_STATUS             Status = AE_OK;
    UINT32                  Type;
    UINT64                  Value;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_0T_1R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the AML opcode */

    switch (WalkState->Opcode)
    {
    case AML_LNOT_OP:               /* LNot (Operand) */

        ReturnDesc = AcpiUtCreateIntegerObject ((UINT64) 0);
        if (!ReturnDesc)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }

        /*
         * Set result to ONES (TRUE) if Value == 0. Note:
         * ReturnDesc->Integer.Value is initially == 0 (FALSE) from above.
         */
        if (!Operand[0]->Integer.Value)
        {
            ReturnDesc->Integer.Value = ACPI_UINT64_MAX;
        }
        break;

    case AML_DECREMENT_OP:          /* Decrement (Operand)  */
    case AML_INCREMENT_OP:          /* Increment (Operand)  */
        /*
         * Create a new integer. Can't just get the base integer and
         * increment it because it may be an Arg or Field.
         */
        ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
        if (!ReturnDesc)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }

        /*
         * Since we are expecting a Reference operand, it can be either a
         * NS Node or an internal object.
         */
        TempDesc = Operand[0];
        if (ACPI_GET_DESCRIPTOR_TYPE (TempDesc) == ACPI_DESC_TYPE_OPERAND)
        {
            /* Internal reference object - prevent deletion */

            AcpiUtAddReference (TempDesc);
        }

        /*
         * Convert the Reference operand to an Integer (This removes a
         * reference on the Operand[0] object)
         *
         * NOTE:  We use LNOT_OP here in order to force resolution of the
         * reference operand to an actual integer.
         */
        Status = AcpiExResolveOperands (AML_LNOT_OP, &TempDesc, WalkState);
        if (ACPI_FAILURE (Status))
        {
            ACPI_EXCEPTION ((AE_INFO, Status,
                "While resolving operands for [%s]",
                AcpiPsGetOpcodeName (WalkState->Opcode)));

            goto Cleanup;
        }

        /*
         * TempDesc is now guaranteed to be an Integer object --
         * Perform the actual increment or decrement
         */
        if (WalkState->Opcode == AML_INCREMENT_OP)
        {
            ReturnDesc->Integer.Value = TempDesc->Integer.Value + 1;
        }
        else
        {
            ReturnDesc->Integer.Value = TempDesc->Integer.Value - 1;
        }

        /* Finished with this Integer object */

        AcpiUtRemoveReference (TempDesc);

        /*
         * Store the result back (indirectly) through the original
//.........这里部分代码省略.........

ACPI_STATUS
AcpiExOpcode_3A_1T_1R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
    char                    *Buffer = NULL;
    ACPI_STATUS             Status = AE_OK;
    UINT64                  Index;
    ACPI_SIZE               Length;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_3A_1T_1R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    switch (WalkState->Opcode)
    {
    case AML_MID_OP:    /* Mid (Source[0], Index[1], Length[2], Result[3]) */

        /*
         * Create the return object.  The Source operand is guaranteed to be
         * either a String or a Buffer, so just use its type.
         */
        ReturnDesc = AcpiUtCreateInternalObject (
                        (Operand[0])->Common.Type);
        if (!ReturnDesc)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;
        }

        /* Get the Integer values from the objects */

        Index = Operand[1]->Integer.Value;
        Length = (ACPI_SIZE) Operand[2]->Integer.Value;

        /*
         * If the index is beyond the length of the String/Buffer, or if the
         * requested length is zero, return a zero-length String/Buffer
         */
        if (Index >= Operand[0]->String.Length)
        {
            Length = 0;
        }

        /* Truncate request if larger than the actual String/Buffer */

        else if ((Index + Length) > Operand[0]->String.Length)
        {
            Length = (ACPI_SIZE) Operand[0]->String.Length -
                        (ACPI_SIZE) Index;
        }

        /* Strings always have a sub-pointer, not so for buffers */

        switch ((Operand[0])->Common.Type)
        {
        case ACPI_TYPE_STRING:

            /* Always allocate a new buffer for the String */

            Buffer = ACPI_ALLOCATE_ZEROED ((ACPI_SIZE) Length + 1);
            if (!Buffer)
            {
                Status = AE_NO_MEMORY;
                goto Cleanup;
            }
            break;

        case ACPI_TYPE_BUFFER:

            /* If the requested length is zero, don't allocate a buffer */

            if (Length > 0)
            {
                /* Allocate a new buffer for the Buffer */

                Buffer = ACPI_ALLOCATE_ZEROED (Length);
                if (!Buffer)
                {
                    Status = AE_NO_MEMORY;
                    goto Cleanup;
                }
            }
            break;

        default:                        /* Should not happen */

            Status = AE_AML_OPERAND_TYPE;
            goto Cleanup;
        }

        if (Buffer)
        {
            /* We have a buffer, copy the portion requested */

            ACPI_MEMCPY (Buffer, Operand[0]->String.Pointer + Index,
                         Length);
        }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                WalkState);
        }

        if (ACPI_SUCCESS (Status))
        {
            /*
             * Dispatch the request to the appropriate interpreter handler
             * routine. There is one routine per opcode "type" based upon the
             * number of opcode arguments and return type.
             */
            Status = AcpiGbl_OpTypeDispatch[OpType] (WalkState);
        }
        else
        {
            /*
             * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
             * Local is uninitialized.
             */
            if  ((Status == AE_AML_UNINITIALIZED_LOCAL) &&
                (WalkState->Opcode == AML_STORE_OP) &&
                (WalkState->Operands[0]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
                (WalkState->Operands[1]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
                (WalkState->Operands[0]->Reference.Class ==
                 WalkState->Operands[1]->Reference.Class) &&
                (WalkState->Operands[0]->Reference.Value ==
                 WalkState->Operands[1]->Reference.Value))
            {
                Status = AE_OK;
            }
            else
            {
                ACPI_EXCEPTION ((AE_INFO, Status,
                    "While resolving operands for [%s]",
                    AcpiPsGetOpcodeName (WalkState->Opcode)));
            }
        }

        /* Always delete the argument objects and clear the operand stack */

        AcpiDsClearOperands (WalkState);

        /*
         * If a result object was returned from above, push it on the
         * current result stack
         */
        if (ACPI_SUCCESS (Status) &&
            WalkState->ResultObj)
        {
            Status = AcpiDsResultPush (WalkState->ResultObj, WalkState);
        }
        break;

    default:

        switch (OpType)
        {
        case AML_TYPE_CONTROL:    /* Type 1 opcode, IF/ELSE/WHILE/NOOP */

            /* 1 Operand, 0 ExternalResult, 0 InternalResult */

            Status = AcpiDsExecEndControlOp (WalkState, Op);

            break;

        case AML_TYPE_METHOD_CALL:
            /*

//.........这里部分代码省略.........

                /* Valid operand */
                break;

            default:
                ACPI_ERROR ((AE_INFO,
                    "Needed [Region/Buffer], found [%s] %p",
                    AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));

                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
            }
            goto NextOperand;


        case ARGI_DATAREFOBJ:

            /* Used by the Store() operator only */

            switch (ObjDesc->Common.Type)
            {
            case ACPI_TYPE_INTEGER:
            case ACPI_TYPE_PACKAGE:
            case ACPI_TYPE_STRING:
            case ACPI_TYPE_BUFFER:
            case ACPI_TYPE_BUFFER_FIELD:
            case ACPI_TYPE_LOCAL_REFERENCE:
            case ACPI_TYPE_LOCAL_REGION_FIELD:
            case ACPI_TYPE_LOCAL_BANK_FIELD:
            case ACPI_TYPE_LOCAL_INDEX_FIELD:
            case ACPI_TYPE_DDB_HANDLE:

                /* Valid operand */
                break;

            default:

                if (AcpiGbl_EnableInterpreterSlack)
                {
                    /*
                     * Enable original behavior of Store(), allowing any and all
                     * objects as the source operand.  The ACPI spec does not
                     * allow this, however.
                     */
                    break;
                }

                if (TargetOp == AML_DEBUG_OP)
                {
                    /* Allow store of any object to the Debug object */

                    break;
                }

                ACPI_ERROR ((AE_INFO,
                    "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p",
                    AcpiUtGetObjectTypeName (ObjDesc), ObjDesc));

                return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
            }
            goto NextOperand;


        default:

            /* Unknown type */

            ACPI_ERROR ((AE_INFO,
                "Internal - Unknown ARGI (required operand) type 0x%X",
                ThisArgType));

            return_ACPI_STATUS (AE_BAD_PARAMETER);
        }

        /*
         * Make sure that the original object was resolved to the
         * required object type (Simple cases only).
         */
        Status = AcpiExCheckObjectType (TypeNeeded,
                        (*StackPtr)->Common.Type, *StackPtr);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }

NextOperand:
        /*
         * If more operands needed, decrement StackPtr to point
         * to next operand on stack
         */
        if (GET_CURRENT_ARG_TYPE (ArgTypes))
        {
            StackPtr--;
        }
    }

    ACPI_DUMP_OPERANDS (WalkState->Operands,
        AcpiPsGetOpcodeName (Opcode), WalkState->NumOperands);

    return_ACPI_STATUS (Status);
}

ACPI_STATUS
AcpiExOpcode_2A_0T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_NAMESPACE_NODE     *Node;
    UINT32                  Value;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_0T_0R,
            AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Examine the opcode */

    switch (WalkState->Opcode)
    {
    case AML_NOTIFY_OP:         /* Notify (NotifyObject, NotifyValue) */

        /* The first operand is a namespace node */

        Node = (ACPI_NAMESPACE_NODE *) Operand[0];

        /* Second value is the notify value */

        Value = (UINT32) Operand[1]->Integer.Value;

        /* Are notifies allowed on this object? */

        if (!AcpiEvIsNotifyObject (Node))
        {
            ACPI_ERROR ((AE_INFO,
                "Unexpected notify object type [%s]",
                AcpiUtGetTypeName (Node->Type)));

            Status = AE_AML_OPERAND_TYPE;
            break;
        }

#ifdef ACPI_GPE_NOTIFY_CHECK
        /*
         * GPE method wake/notify check.  Here, we want to ensure that we
         * don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx
         * GPE method during system runtime.  If we do, the GPE is marked
         * as "wake-only" and disabled.
         *
         * 1) Is the Notify() value == DeviceWake?
         * 2) Is this a GPE deferred method?  (An _Lxx or _Exx method)
         * 3) Did the original GPE happen at system runtime?
         *    (versus during wake)
         *
         * If all three cases are true, this is a wake-only GPE that should
         * be disabled at runtime.
         */
        if (Value == 2)     /* DeviceWake */
        {
            Status = AcpiEvCheckForWakeOnlyGpe (WalkState->GpeEventInfo);
            if (ACPI_FAILURE (Status))
            {
                /* AE_WAKE_ONLY_GPE only error, means ignore this notify */

                return_ACPI_STATUS (AE_OK)
            }
        }
#endif

        /*
         * Dispatch the notify to the appropriate handler
         * NOTE: the request is queued for execution after this method
         * completes.  The notify handlers are NOT invoked synchronously
         * from this thread -- because handlers may in turn run other
         * control methods.
         */
        Status = AcpiEvQueueNotifyRequest (Node, Value);
        break;


    default:

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode %X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
    }

//.........这里部分代码省略.........
                    Status == AE_ALREADY_EXISTS)
                {
                    Status = AE_OK;
                }
                if (Status == AE_CTRL_PARSE_CONTINUE)
                {
                    continue;
                }

                if (Status == AE_CTRL_PARSE_PENDING)
                {
                    Status = AE_OK;
                }

                if (Status == AE_CTRL_TERMINATE)
                {
                    return_ACPI_STATUS (Status);
                }

                Status = AcpiPsCompleteOp (WalkState, &Op, Status);
                if (ACPI_FAILURE (Status))
                {
                    return_ACPI_STATUS (Status);
                }
                if (AcpiNsOpensScope (
                    AcpiPsGetOpcodeInfo (WalkState->Opcode)->ObjectType))
                {
                    /*
                     * If the scope/device op fails to parse, skip the body of
                     * the scope op because the parse failure indicates that
                     * the device may not exist.
                     */
                    ACPI_ERROR ((AE_INFO, "Skip parsing opcode %s",
                        AcpiPsGetOpcodeName (WalkState->Opcode)));
                    WalkState->ParserState.Aml = WalkState->Aml + 1;
                    WalkState->ParserState.Aml =
                        AcpiPsGetNextPackageEnd(&WalkState->ParserState);
                    WalkState->Aml = WalkState->ParserState.Aml;
                }

                continue;
            }

            AcpiExStartTraceOpcode (Op, WalkState);
        }

        /*
         * Start ArgCount at zero because we don't know if there are
         * any args yet
         */
        WalkState->ArgCount = 0;

        switch (Op->Common.AmlOpcode)
        {
        case AML_BYTE_OP:
        case AML_WORD_OP:
        case AML_DWORD_OP:
        case AML_QWORD_OP:

            break;

        default:

            ASL_CV_CAPTURE_COMMENTS (WalkState);
            break;
        }

ACPI_STATUS
AcpiExOpcode_6A_0T_1R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_OPERAND_OBJECT     *ReturnDesc = NULL;
    ACPI_STATUS             Status = AE_OK;
    UINT64                  Index;
    ACPI_OPERAND_OBJECT     *ThisElement;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_6A_0T_1R,
                             AcpiPsGetOpcodeName (WalkState->Opcode));


    switch (WalkState->Opcode)
    {
    case AML_MATCH_OP:
        /*
         * Match (SearchPkg[0], MatchOp1[1], MatchObj1[2],
         *                      MatchOp2[3], MatchObj2[4], StartIndex[5])
         */

        /* Validate both Match Term Operators (MTR, MEQ, etc.) */

        if ((Operand[1]->Integer.Value > MAX_MATCH_OPERATOR) ||
                (Operand[3]->Integer.Value > MAX_MATCH_OPERATOR))
        {
            ACPI_ERROR ((AE_INFO, "Match operator out of range"));
            Status = AE_AML_OPERAND_VALUE;
            goto Cleanup;
        }

        /* Get the package StartIndex, validate against the package length */

        Index = Operand[5]->Integer.Value;
        if (Index >= Operand[0]->Package.Count)
        {
            ACPI_ERROR ((AE_INFO,
                         "Index (0x%8.8X%8.8X) beyond package end (0x%X)",
                         ACPI_FORMAT_UINT64 (Index), Operand[0]->Package.Count));
            Status = AE_AML_PACKAGE_LIMIT;
            goto Cleanup;
        }

        /* Create an integer for the return value */
        /* Default return value is ACPI_UINT64_MAX if no match found */

        ReturnDesc = AcpiUtCreateIntegerObject (ACPI_UINT64_MAX);
        if (!ReturnDesc)
        {
            Status = AE_NO_MEMORY;
            goto Cleanup;

        }

        /*
         * Examine each element until a match is found. Both match conditions
         * must be satisfied for a match to occur. Within the loop,
         * "continue" signifies that the current element does not match
         * and the next should be examined.
         *
         * Upon finding a match, the loop will terminate via "break" at
         * the bottom. If it terminates "normally", MatchValue will be
         * ACPI_UINT64_MAX (Ones) (its initial value) indicating that no
         * match was found.
         */
        for ( ; Index < Operand[0]->Package.Count; Index++)
        {
            /* Get the current package element */

            ThisElement = Operand[0]->Package.Elements[Index];

            /* Treat any uninitialized (NULL) elements as non-matching */

            if (!ThisElement)
            {
                continue;
            }

            /*
             * Both match conditions must be satisfied. Execution of a continue
             * (proceed to next iteration of enclosing for loop) signifies a
             * non-match.
             */
            if (!AcpiExDoMatch ((UINT32) Operand[1]->Integer.Value,
                                ThisElement, Operand[2]))
            {
                continue;
            }

            if (!AcpiExDoMatch ((UINT32) Operand[3]->Integer.Value,
                                ThisElement, Operand[4]))
            {
                continue;
            }

            /* Match found: Index is the return value */

            ReturnDesc->Integer.Value = Index;
//.........这里部分代码省略.........

ACPI_STATUS
AcpiExOpcode_3A_0T_0R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_SIGNAL_FATAL_INFO  *Fatal;
    ACPI_STATUS             Status = AE_OK;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_3A_0T_0R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    switch (WalkState->Opcode)
    {
    case AML_FATAL_OP:          /* Fatal (FatalType  FatalCode  FatalArg) */

        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
            "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
            (UINT32) Operand[0]->Integer.Value,
            (UINT32) Operand[1]->Integer.Value,
            (UINT32) Operand[2]->Integer.Value));

        Fatal = ACPI_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO));
        if (Fatal)
        {
            Fatal->Type     = (UINT32) Operand[0]->Integer.Value;
            Fatal->Code     = (UINT32) Operand[1]->Integer.Value;
            Fatal->Argument = (UINT32) Operand[2]->Integer.Value;
        }

        /* Always signal the OS! */

        Status = AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal);

        /* Might return while OS is shutting down, just continue */

        ACPI_FREE (Fatal);
        goto Cleanup;

    case AML_EXTERNAL_OP:
        /*
         * If the interpreter sees this opcode, just ignore it. The External
         * op is intended for use by disassemblers in order to properly
         * disassemble control method invocations. The opcode or group of
         * opcodes should be surrounded by an "if (0)" clause to ensure that
         * AML interpreters never see the opcode.
         */
        Status = AE_OK;
        goto Cleanup;

    default:

        ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
            WalkState->Opcode));
        Status = AE_AML_BAD_OPCODE;
        goto Cleanup;
    }


Cleanup:

    return_ACPI_STATUS (Status);
}

void
OptOptimizeNamePath (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Flags,
    ACPI_WALK_STATE         *WalkState,
    char                    *AmlNameString,
    ACPI_NAMESPACE_NODE     *TargetNode)
{
    ACPI_STATUS             Status;
    ACPI_BUFFER             TargetPath;
    ACPI_BUFFER             CurrentPath;
    ACPI_SIZE               AmlNameStringLength;
    ACPI_NAMESPACE_NODE     *CurrentNode;
    char                    *ExternalNameString;
    char                    *NewPath = NULL;
    ACPI_SIZE               HowMuchShorter;
    ACPI_PARSE_OBJECT       *NextOp;


    ACPI_FUNCTION_TRACE (OptOptimizeNamePath);


    /* This is an optional optimization */

    if (!Gbl_ReferenceOptimizationFlag)
    {
        return_VOID;
    }

    /* Various required items */

    if (!TargetNode || !WalkState || !AmlNameString || !Op->Common.Parent)
    {
        return_VOID;
    }

    ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OPTIMIZATIONS,
        "PATH OPTIMIZE: Line %5d ParentOp [%12.12s] ThisOp [%12.12s] ",
        Op->Asl.LogicalLineNumber,
        AcpiPsGetOpcodeName (Op->Common.Parent->Common.AmlOpcode),
        AcpiPsGetOpcodeName (Op->Common.AmlOpcode)));

    if (!(Flags & (AML_NAMED | AML_CREATE)))
    {
        if (Op->Asl.CompileFlags & NODE_IS_NAME_DECLARATION)
        {
            /* We don't want to fuss with actual name declaration nodes here */

            ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OPTIMIZATIONS,
                "******* NAME DECLARATION\n"));
            return_VOID;
        }
    }

    /*
     * The original path must be longer than one NameSeg (4 chars) for there
     * to be any possibility that it can be optimized to a shorter string
     */
    AmlNameStringLength = strlen (AmlNameString);
    if (AmlNameStringLength <= ACPI_NAME_SIZE)
    {
        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OPTIMIZATIONS,
            "NAMESEG %4.4s\n", AmlNameString));
        return_VOID;
    }

    /*
     * We need to obtain the node that represents the current scope -- where
     * we are right now in the namespace. We will compare this path
     * against the Namepath, looking for commonality.
     */
    CurrentNode = AcpiGbl_RootNode;
    if (WalkState->ScopeInfo)
    {
        CurrentNode = WalkState->ScopeInfo->Scope.Node;
    }

    if (Flags & (AML_NAMED | AML_CREATE))
    {
        /* This is the declaration of a new name */

        ACPI_DEBUG_PRINT_RAW ((ACPI_DB_OPTIMIZATIONS, "NAME\n"));

        /*
         * The node of interest is the parent of this node (the containing
         * scope). The actual namespace node may be up more than one level
         * of parse op or it may not exist at all (if we traverse back
         * up to the root.)
         */
        NextOp = Op->Asl.Parent;
        while (NextOp && (!NextOp->Asl.Node))
        {
            NextOp = NextOp->Asl.Parent;
        }

        if (NextOp && NextOp->Asl.Node)
        {
            CurrentNode = NextOp->Asl.Node;
        }
        else
//.........这里部分代码省略.........

ACPI_STATUS
AcpiExOpcode_2A_2T_1R (
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_OPERAND_OBJECT     **Operand = &WalkState->Operands[0];
    ACPI_OPERAND_OBJECT     *ReturnDesc1 = NULL;
    ACPI_OPERAND_OBJECT     *ReturnDesc2 = NULL;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_TRACE_STR (ExOpcode_2A_2T_1R,
        AcpiPsGetOpcodeName (WalkState->Opcode));


    /* Execute the opcode */

    switch (WalkState->Opcode)
    {
    ca