C++ AcpiPsGetDepthNext函数代码示例

static ACPI_STATUS
AdParseDeferredOps (
    ACPI_PARSE_OBJECT       *Root)
{
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_STATUS             Status = AE_OK;
    const ACPI_OPCODE_INFO  *OpInfo;


    ACPI_FUNCTION_NAME (AdParseDeferredOps);
    fprintf (stderr, "Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)\n");

    while (Op)
    {
        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
        if (!(OpInfo->Flags & AML_DEFER))
        {
            Op = AcpiPsGetDepthNext (Root, Op);
            continue;
        }

        switch (Op->Common.AmlOpcode)
        {
        case AML_METHOD_OP:
        case AML_BUFFER_OP:
        case AML_PACKAGE_OP:
        case AML_VAR_PACKAGE_OP:

            Status = AdDeferredParse (Op, Op->Named.Data, Op->Named.Length);
            if (ACPI_FAILURE (Status))
            {
                return_ACPI_STATUS (Status);
            }
            break;

        case AML_REGION_OP:
        case AML_CREATE_QWORD_FIELD_OP:
        case AML_CREATE_DWORD_FIELD_OP:
        case AML_CREATE_WORD_FIELD_OP:
        case AML_CREATE_BYTE_FIELD_OP:
        case AML_CREATE_BIT_FIELD_OP:
        case AML_CREATE_FIELD_OP:
        case AML_BANK_FIELD_OP:

            /* Nothing to do in these cases */

            break;

        default:
            ACPI_ERROR ((AE_INFO, "Unhandled deferred opcode [%s]",
                Op->Common.AmlOpName));
            break;
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }

    fprintf (stderr, "\n");
    return Status;
}

static ACPI_STATUS
AcpiDbClassifyOneObject (
    ACPI_HANDLE             ObjHandle,
    UINT32                  NestingLevel,
    void                    *Context,
    void                    **ReturnValue)
{
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    UINT32                  Type;


    AcpiGbl_NumNodes++;

    Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
    ObjDesc = AcpiNsGetAttachedObject (Node);

    AcpiDbEnumerateObject (ObjDesc);

    Type = Node->Type;
    if (Type > ACPI_TYPE_NS_NODE_MAX)
    {
        AcpiGbl_NodeTypeCountMisc++;
    }
    else
    {
        AcpiGbl_NodeTypeCount [Type]++;
    }

    return AE_OK;


#ifdef ACPI_FUTURE_IMPLEMENTATION

    /* TBD: These need to be counted during the initial parsing phase */

    if (AcpiPsIsNamedOp (Op->Opcode))
    {
        NumNodes++;
    }

    if (IsMethod)
    {
        NumMethodElements++;
    }

    NumGrammarElements++;
    Op = AcpiPsGetDepthNext (Root, Op);

    SizeOfParseTree   = (NumGrammarElements - NumMethodElements) *
                            (UINT32) sizeof (ACPI_PARSE_OBJECT);
    SizeOfMethodTrees = NumMethodElements * (UINT32) sizeof (ACPI_PARSE_OBJECT);
    SizeOfNodeEntries = NumNodes * (UINT32) sizeof (ACPI_NAMESPACE_NODE);
    SizeOfAcpiObjects = NumNodes * (UINT32) sizeof (ACPI_OPERAND_OBJECT);
#endif
}

void
AcpiDmFindResources (
    ACPI_PARSE_OBJECT       *Root)
{
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_PARSE_OBJECT       *Parent;


    /* Walk the entire parse tree */

    while (Op)
    {
        /* We are interested in Buffer() declarations */

        if (Op->Common.AmlOpcode == AML_BUFFER_OP)
        {
            /* And only declarations of the form Name (XXXX, Buffer()... ) */

            Parent = Op->Common.Parent;
            if (Parent->Common.AmlOpcode == AML_NAME_OP)
            {
                /*
                 * If the buffer is a resource template, add the individual
                 * resource descriptors to the namespace, as children of the
                 * buffer node.
                 */
                if (ACPI_SUCCESS (AcpiDmIsResourceTemplate (NULL, Op)))
                {
                    Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
                    AcpiDmAddResourcesToNamespace (Parent->Common.Node, Op);
                }
            }
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }
}

void
AcpiDmMethodFlags (
    ACPI_PARSE_OBJECT       *Op)
{
    UINT32                  Flags;
    UINT32                  Args;


    /* The next Op contains the flags */

    Op = AcpiPsGetDepthNext (NULL, Op);
    Flags = (UINT8) Op->Common.Value.Integer;
    Args = Flags & 0x07;

    /* Mark the Op as completed */

    Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;

    /* 1) Method argument count */

    AcpiOsPrintf (", %d, ", Args);

    /* 2) Serialize rule */

    if (!(Flags & 0x08))
    {
        AcpiOsPrintf ("Not");
    }

    AcpiOsPrintf ("Serialized");

    /* 3) SyncLevel */

    if (Flags & 0xF0)
    {
        AcpiOsPrintf (", %d", Flags >> 4);
    }

void
AcpiDmCheckResourceReference (
    ACPI_PARSE_OBJECT       *Op,
    ACPI_WALK_STATE         *WalkState)
{
    ACPI_STATUS             Status;
    ACPI_PARSE_OBJECT       *BufferNameOp;
    ACPI_PARSE_OBJECT       *IndexOp;
    ACPI_NAMESPACE_NODE     *BufferNode;
    ACPI_NAMESPACE_NODE     *ResourceNode;
    const ACPI_OPCODE_INFO  *OpInfo;
    UINT32                  BitIndex;


    /* We are only interested in the CreateXxxxField opcodes */

    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
    if (OpInfo->Type != AML_TYPE_CREATE_FIELD)
    {
        return;
    }

    /* Get the buffer term operand */

    BufferNameOp = AcpiPsGetDepthNext (NULL, Op);

    /* Must be a named buffer, not an arg or local or method call */

    if (BufferNameOp->Common.AmlOpcode != AML_INT_NAMEPATH_OP)
    {
        return;
    }

    /* Get the Index term, must be an integer constant to convert */

    IndexOp = BufferNameOp->Common.Next;

    /* Major cheat: The Node field is also used for the Tag ptr. Clear it now */

    IndexOp->Common.Node = NULL;

    OpInfo = AcpiPsGetOpcodeInfo (IndexOp->Common.AmlOpcode);
    if (OpInfo->ObjectType != ACPI_TYPE_INTEGER)
    {
        return;
    }

    /* Get the bit offset of the descriptor within the buffer */

    if ((Op->Common.AmlOpcode == AML_CREATE_BIT_FIELD_OP) ||
        (Op->Common.AmlOpcode == AML_CREATE_FIELD_OP))
    {
        /* Index operand is a bit offset */

        BitIndex = (UINT32) IndexOp->Common.Value.Integer;
    }
    else
    {
        /* Index operand is a byte offset, convert to bits */

        BitIndex = (UINT32) ACPI_MUL_8 (IndexOp->Common.Value.Integer);
    }

    /* Lookup the buffer in the namespace */

    Status = AcpiNsLookup (WalkState->ScopeInfo,
        BufferNameOp->Common.Value.String, ACPI_TYPE_BUFFER,
        ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, WalkState,
        &BufferNode);
    if (ACPI_FAILURE (Status))
    {
        return;
    }

    /* Validate object type, we must have a buffer */

    if (BufferNode->Type != ACPI_TYPE_BUFFER)
    {
        return;
    }

    /* Find the resource descriptor node corresponding to the index */

    ResourceNode = AcpiDmGetResourceNode (BufferNode, BitIndex);
    if (!ResourceNode)
    {
        return;
    }

    /* Translate the Index to a resource tag pathname */

    AcpiGetTagPathname (IndexOp, BufferNode, ResourceNode, BitIndex);
}

void
AcpiDbDisplayMethodInfo (
    ACPI_PARSE_OBJECT       *StartOp)
{
    ACPI_WALK_STATE         *WalkState;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_PARSE_OBJECT       *RootOp;
    ACPI_PARSE_OBJECT       *Op;
    const ACPI_OPCODE_INFO  *OpInfo;
    UINT32                  NumOps = 0;
    UINT32                  NumOperands = 0;
    UINT32                  NumOperators = 0;
    UINT32                  NumRemainingOps = 0;
    UINT32                  NumRemainingOperands = 0;
    UINT32                  NumRemainingOperators = 0;
    BOOLEAN                 CountRemaining = FALSE;


    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
    if (!WalkState)
    {
        AcpiOsPrintf ("There is no method currently executing\n");
        return;
    }

    ObjDesc = WalkState->MethodDesc;
    Node    = WalkState->MethodNode;

    AcpiOsPrintf ("Currently executing control method is [%4.4s]\n",
            AcpiUtGetNodeName (Node));
    AcpiOsPrintf ("%X Arguments, SyncLevel = %X\n",
            (UINT32) ObjDesc->Method.ParamCount,
            (UINT32) ObjDesc->Method.SyncLevel);


    RootOp = StartOp;
    while (RootOp->Common.Parent)
    {
        RootOp = RootOp->Common.Parent;
    }

    Op = RootOp;

    while (Op)
    {
        if (Op == StartOp)
        {
            CountRemaining = TRUE;
        }

        NumOps++;
        if (CountRemaining)
        {
            NumRemainingOps++;
        }

        /* Decode the opcode */

        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
        switch (OpInfo->Class)
        {
        case AML_CLASS_ARGUMENT:

            if (CountRemaining)
            {
                NumRemainingOperands++;
            }

            NumOperands++;
            break;

        case AML_CLASS_UNKNOWN:

            /* Bad opcode or ASCII character */

            continue;

        default:

            if (CountRemaining)
            {
                NumRemainingOperators++;
            }

            NumOperators++;
            break;
        }

        Op = AcpiPsGetDepthNext (StartOp, Op);
    }

    AcpiOsPrintf (
        "Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
        NumOps, NumOperators, NumOperands);

    AcpiOsPrintf (
        "Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
        NumRemainingOps, NumRemainingOperators, NumRemainingOperands);
}

ACPI_STATUS
AcpiDbSecondPassParse (
    ACPI_PARSE_OBJECT       *Root)
{
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_PARSE_OBJECT       *Method;
    ACPI_PARSE_OBJECT       *SearchOp;
    ACPI_PARSE_OBJECT       *StartOp;
    ACPI_STATUS             Status = AE_OK;
    UINT32                  BaseAmlOffset;
    ACPI_WALK_STATE         *WalkState;


    ACPI_FUNCTION_ENTRY ();


    AcpiOsPrintf ("Pass two parse ....\n");

    while (Op)
    {
        if (Op->Common.AmlOpcode == AML_METHOD_OP)
        {
            Method = Op;

            /* Create a new walk state for the parse */

            WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
            if (!WalkState)
            {
                return (AE_NO_MEMORY);
            }

            /* Init the Walk State */

            WalkState->ParserState.Aml          =
            WalkState->ParserState.AmlStart     = Method->Named.Data;
            WalkState->ParserState.AmlEnd       =
            WalkState->ParserState.PkgEnd       = Method->Named.Data +
                                                  Method->Named.Length;
            WalkState->ParserState.StartScope   = Op;

            WalkState->DescendingCallback       = AcpiDsLoad1BeginOp;
            WalkState->AscendingCallback        = AcpiDsLoad1EndOp;

            /* Perform the AML parse */

            Status = AcpiPsParseAml (WalkState);

            BaseAmlOffset = (Method->Common.Value.Arg)->Common.AmlOffset + 1;
            StartOp = (Method->Common.Value.Arg)->Common.Next;
            SearchOp = StartOp;

            while (SearchOp)
            {
                SearchOp->Common.AmlOffset += BaseAmlOffset;
                SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
            }
        }

        if (Op->Common.AmlOpcode == AML_REGION_OP)
        {
            /* TBD: [Investigate] this isn't quite the right thing to do! */
            /*
             *
             * Method = (ACPI_DEFERRED_OP *) Op;
             * Status = AcpiPsParseAml (Op, Method->Body, Method->BodyLength);
             */
        }

        if (ACPI_FAILURE (Status))
        {
            break;
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }

    return (Status);
}

static ACPI_STATUS
AcpiDmDeferredParse (
    ACPI_PARSE_OBJECT       *Op,
    UINT8                   *Aml,
    UINT32                  AmlLength)
{
    ACPI_WALK_STATE         *WalkState;
    ACPI_STATUS             Status;
    ACPI_PARSE_OBJECT       *SearchOp;
    ACPI_PARSE_OBJECT       *StartOp;
    UINT32                  BaseAmlOffset;
    ACPI_PARSE_OBJECT       *NewRootOp;
    ACPI_PARSE_OBJECT       *ExtraOp;


    ACPI_FUNCTION_TRACE (DmDeferredParse);


    if (!Aml || !AmlLength)
    {
        return_ACPI_STATUS (AE_OK);
    }

    ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Parsing deferred opcode %s [%4.4s]\n",
        Op->Common.AmlOpName, (char *) &Op->Named.Name));

    /* Need a new walk state to parse the AML */

    WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
    if (!WalkState)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }

    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, Aml,
        AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
    if (ACPI_FAILURE (Status))
    {
        return_ACPI_STATUS (Status);
    }

    /* Parse the AML for this deferred opcode */

    WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
    WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
    Status = AcpiPsParseAml (WalkState);

    /*
     * We need to update all of the AML offsets, since the parser thought
     * that the method began at offset zero. In reality, it began somewhere
     * within the ACPI table, at the BaseAmlOffset. Walk the entire tree that
     * was just created and update the AmlOffset in each Op.
     */
    BaseAmlOffset = (Op->Common.Value.Arg)->Common.AmlOffset + 1;
    StartOp = (Op->Common.Value.Arg)->Common.Next;
    SearchOp = StartOp;

    while (SearchOp)
    {
        SearchOp->Common.AmlOffset += BaseAmlOffset;
        SearchOp = AcpiPsGetDepthNext (StartOp, SearchOp);
    }

    /*
     * For Buffer and Package opcodes, link the newly parsed subtree
     * into the main parse tree
     */
    switch (Op->Common.AmlOpcode)
    {
    case AML_BUFFER_OP:
    case AML_PACKAGE_OP:
    case AML_VAR_PACKAGE_OP:

        switch (Op->Common.AmlOpcode)
        {
        case AML_PACKAGE_OP:

            ExtraOp = Op->Common.Value.Arg;
            NewRootOp = ExtraOp->Common.Next;
            ACPI_FREE (ExtraOp);
            break;

        case AML_VAR_PACKAGE_OP:
        case AML_BUFFER_OP:
        default:

            NewRootOp = Op->Common.Value.Arg;
            break;
        }

        Op->Common.Value.Arg = NewRootOp->Common.Value.Arg;

        /* Must point all parents to the main tree */

        StartOp = Op;
        SearchOp = StartOp;
        while (SearchOp)
        {
            if (SearchOp->Common.Parent == NewRootOp)
            {
//.........这里部分代码省略.........

ACPI_STATUS
AcpiDmParseDeferredOps (
    ACPI_PARSE_OBJECT       *Root)
{
    const ACPI_OPCODE_INFO  *OpInfo;
    ACPI_PARSE_OBJECT       *Op = Root;
    ACPI_STATUS             Status;


    ACPI_FUNCTION_ENTRY ();


    /* Traverse the entire parse tree */

    while (Op)
    {
        OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
        if (!(OpInfo->Flags & AML_DEFER))
        {
            Op = AcpiPsGetDepthNext (Root, Op);
            continue;
        }

        /* Now we know we have a deferred opcode */

        switch (Op->Common.AmlOpcode)
        {
        case AML_METHOD_OP:
        case AML_BUFFER_OP:
        case AML_PACKAGE_OP:
        case AML_VAR_PACKAGE_OP:

            Status = AcpiDmDeferredParse (Op, Op->Named.Data, Op->Named.Length);
            if (ACPI_FAILURE (Status))
            {
                return (Status);
            }
            break;

        /* We don't need to do anything for these deferred opcodes */

        case AML_REGION_OP:
        case AML_DATA_REGION_OP:
        case AML_CREATE_QWORD_FIELD_OP:
        case AML_CREATE_DWORD_FIELD_OP:
        case AML_CREATE_WORD_FIELD_OP:
        case AML_CREATE_BYTE_FIELD_OP:
        case AML_CREATE_BIT_FIELD_OP:
        case AML_CREATE_FIELD_OP:
        case AML_BANK_FIELD_OP:

            break;

        default:

            ACPI_ERROR ((AE_INFO, "Unhandled deferred AML opcode [0x%.4X]",
                 Op->Common.AmlOpcode));
            break;
        }

        Op = AcpiPsGetDepthNext (Root, Op);
    }

    return (AE_OK);
}

//.........这里部分代码省略.........
        (Op->Common.AmlOpcode == AML_INT_CONNECTION_OP))
    {
        return (AE_OK);
    }

    if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
        (Op->Common.AmlOpcode == AML_RETURN_OP))
    {
        Info->Level--;
    }

    /* Start the opcode argument list if necessary */

    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);

    if ((OpInfo->Flags & AML_HAS_ARGS) ||
        (Op->Common.AmlOpcode == AML_EVENT_OP))
    {
        /* This opcode has an argument list */

        if (AcpiDmBlockType (Op) & BLOCK_PAREN)
        {
            AcpiOsPrintf (" (");
        }

        /* If this is a named opcode, print the associated name value */

        if (OpInfo->Flags & AML_NAMED)
        {
            switch (Op->Common.AmlOpcode)
            {
            case AML_ALIAS_OP:

                NextOp = AcpiPsGetDepthNext (NULL, Op);
                NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
                AcpiDmNamestring (NextOp->Common.Value.Name);
                AcpiOsPrintf (", ");

                /*lint -fallthrough */

            default:

                Name = AcpiPsGetName (Op);
                if (Op->Named.Path)
                {
                    AcpiDmNamestring ((char *) Op->Named.Path);
                }
                else
                {
                    AcpiDmDumpName (Name);
                }

                if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
                {
                    if (AcpiGbl_DbOpt_Verbose)
                    {
                        (void) AcpiPsDisplayObjectPathname (NULL, Op);
                    }
                }
                break;
            }

            switch (Op->Common.AmlOpcode)
            {
            case AML_METHOD_OP:

static ACPI_STATUS
AcpiDmDescendingOp (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context)
{
    ACPI_OP_WALK_INFO       *Info = Context;
    const ACPI_OPCODE_INFO  *OpInfo;
    UINT32                  Name;
    ACPI_PARSE_OBJECT       *NextOp;
    ACPI_PARSE_OBJECT       *NextOp2;
    UINT32                  AmlOffset;


    /* Determine which file this parse node is contained in. */

    if (AcpiGbl_CaptureComments)
    {
        ASL_CV_LABEL_FILENODE (Op);

        if (Level != 0 && ASL_CV_FILE_HAS_SWITCHED (Op))
        {
            ASL_CV_SWITCH_FILES (Level, Op);
        }

        /* If this parse node has regular comments, print them here. */

        ASL_CV_PRINT_ONE_COMMENT (Op, AML_COMMENT_STANDARD, NULL, Level);
    }

    OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);

    /* Listing support to dump the AML code after the ASL statement */

    if (AcpiGbl_DmOpt_Listing)
    {
        /* We only care about these classes of objects */

        if ((OpInfo->Class == AML_CLASS_NAMED_OBJECT) ||
            (OpInfo->Class == AML_CLASS_CONTROL) ||
            (OpInfo->Class == AML_CLASS_CREATE) ||
            ((OpInfo->Class == AML_CLASS_EXECUTE) && (!Op->Common.Next)))
        {
            if (AcpiGbl_DmOpt_Listing && Info->PreviousAml)
            {
                /* Dump the AML byte code for the previous Op */

                if (Op->Common.Aml > Info->PreviousAml)
                {
                    AcpiOsPrintf ("\n");
                    AcpiUtDumpBuffer (
                        (Info->StartAml + Info->AmlOffset),
                        (Op->Common.Aml - Info->PreviousAml),
                        DB_BYTE_DISPLAY, Info->AmlOffset);
                    AcpiOsPrintf ("\n");
                }

                Info->AmlOffset = (Op->Common.Aml - Info->StartAml);
            }

            Info->PreviousAml = Op->Common.Aml;
        }
    }

    if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
    {
        /* Ignore this op -- it was handled elsewhere */

        return (AE_CTRL_DEPTH);
    }

    if (Op->Common.DisasmOpcode == ACPI_DASM_IGNORE_SINGLE)
    {
        /* Ignore this op, but not it's children */

        return (AE_OK);
    }

    if (Op->Common.AmlOpcode == AML_IF_OP)
    {
        NextOp = AcpiPsGetDepthNext (NULL, Op);
        if (NextOp)
        {
            NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;

            /* Don't emit the actual embedded externals unless asked */

            if (!AcpiGbl_DmEmitExternalOpcodes)
            {
                /*
                 * A Zero predicate indicates the possibility of one or more
                 * External() opcodes within the If() block.
                 */
                if (NextOp->Common.AmlOpcode == AML_ZERO_OP)
                {
                    NextOp2 = NextOp->Common.Next;

                    if (NextOp2 &&
                        (NextOp2->Common.AmlOpcode == AML_EXTERNAL_OP))
                    {
//.........这里部分代码省略.........