nssearch.c revision 83174
167754Smsmith/******************************************************************************* 267754Smsmith * 367754Smsmith * Module Name: nssearch - Namespace search 483174Smsmith * $Revision: 74 $ 567754Smsmith * 667754Smsmith ******************************************************************************/ 767754Smsmith 867754Smsmith/****************************************************************************** 967754Smsmith * 1067754Smsmith * 1. Copyright Notice 1167754Smsmith * 1271867Smsmith * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. 1370243Smsmith * All rights reserved. 1467754Smsmith * 1567754Smsmith * 2. License 1667754Smsmith * 1767754Smsmith * 2.1. This is your license from Intel Corp. under its intellectual property 1867754Smsmith * rights. You may have additional license terms from the party that provided 1967754Smsmith * you this software, covering your right to use that party's intellectual 2067754Smsmith * property rights. 2167754Smsmith * 2267754Smsmith * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2367754Smsmith * copy of the source code appearing in this file ("Covered Code") an 2467754Smsmith * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2567754Smsmith * base code distributed originally by Intel ("Original Intel Code") to copy, 2667754Smsmith * make derivatives, distribute, use and display any portion of the Covered 2767754Smsmith * Code in any form, with the right to sublicense such rights; and 2867754Smsmith * 2967754Smsmith * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 3067754Smsmith * license (with the right to sublicense), under only those claims of Intel 3167754Smsmith * patents that are infringed by the Original Intel Code, to make, use, sell, 3267754Smsmith * offer to sell, and import the Covered Code and derivative works thereof 3367754Smsmith * solely to the minimum extent necessary to exercise the above copyright 3467754Smsmith * license, and in no event shall the patent license extend to any additions 3567754Smsmith * to or modifications of the Original Intel Code. No other license or right 3667754Smsmith * is granted directly or by implication, estoppel or otherwise; 3767754Smsmith * 3867754Smsmith * The above copyright and patent license is granted only if the following 3967754Smsmith * conditions are met: 4067754Smsmith * 4167754Smsmith * 3. Conditions 4267754Smsmith * 4367754Smsmith * 3.1. Redistribution of Source with Rights to Further Distribute Source. 4467754Smsmith * Redistribution of source code of any substantial portion of the Covered 4567754Smsmith * Code or modification with rights to further distribute source must include 4667754Smsmith * the above Copyright Notice, the above License, this list of Conditions, 4767754Smsmith * and the following Disclaimer and Export Compliance provision. In addition, 4867754Smsmith * Licensee must cause all Covered Code to which Licensee contributes to 4967754Smsmith * contain a file documenting the changes Licensee made to create that Covered 5067754Smsmith * Code and the date of any change. Licensee must include in that file the 5167754Smsmith * documentation of any changes made by any predecessor Licensee. Licensee 5267754Smsmith * must include a prominent statement that the modification is derived, 5367754Smsmith * directly or indirectly, from Original Intel Code. 5467754Smsmith * 5567754Smsmith * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 5667754Smsmith * Redistribution of source code of any substantial portion of the Covered 5767754Smsmith * Code or modification without rights to further distribute source must 5867754Smsmith * include the following Disclaimer and Export Compliance provision in the 5967754Smsmith * documentation and/or other materials provided with distribution. In 6067754Smsmith * addition, Licensee may not authorize further sublicense of source of any 6167754Smsmith * portion of the Covered Code, and must include terms to the effect that the 6267754Smsmith * license from Licensee to its licensee is limited to the intellectual 6367754Smsmith * property embodied in the software Licensee provides to its licensee, and 6467754Smsmith * not to intellectual property embodied in modifications its licensee may 6567754Smsmith * make. 6667754Smsmith * 6767754Smsmith * 3.3. Redistribution of Executable. Redistribution in executable form of any 6867754Smsmith * substantial portion of the Covered Code or modification must reproduce the 6967754Smsmith * above Copyright Notice, and the following Disclaimer and Export Compliance 7067754Smsmith * provision in the documentation and/or other materials provided with the 7167754Smsmith * distribution. 7267754Smsmith * 7367754Smsmith * 3.4. Intel retains all right, title, and interest in and to the Original 7467754Smsmith * Intel Code. 7567754Smsmith * 7667754Smsmith * 3.5. Neither the name Intel nor any other trademark owned or controlled by 7767754Smsmith * Intel shall be used in advertising or otherwise to promote the sale, use or 7867754Smsmith * other dealings in products derived from or relating to the Covered Code 7967754Smsmith * without prior written authorization from Intel. 8067754Smsmith * 8167754Smsmith * 4. Disclaimer and Export Compliance 8267754Smsmith * 8367754Smsmith * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 8467754Smsmith * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 8567754Smsmith * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 8667754Smsmith * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 8767754Smsmith * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 8867754Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 8967754Smsmith * PARTICULAR PURPOSE. 9067754Smsmith * 9167754Smsmith * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 9267754Smsmith * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 9367754Smsmith * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 9467754Smsmith * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 9567754Smsmith * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 9667754Smsmith * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 9767754Smsmith * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 9867754Smsmith * LIMITED REMEDY. 9967754Smsmith * 10067754Smsmith * 4.3. Licensee shall not export, either directly or indirectly, any of this 10167754Smsmith * software or system incorporating such software without first obtaining any 10267754Smsmith * required license or other approval from the U. S. Department of Commerce or 10367754Smsmith * any other agency or department of the United States Government. In the 10467754Smsmith * event Licensee exports any such software from the United States or 10567754Smsmith * re-exports any such software from a foreign destination, Licensee shall 10667754Smsmith * ensure that the distribution and export/re-export of the software is in 10767754Smsmith * compliance with all laws, regulations, orders, or other restrictions of the 10867754Smsmith * U.S. Export Administration Regulations. Licensee agrees that neither it nor 10967754Smsmith * any of its subsidiaries will export/re-export any technical data, process, 11067754Smsmith * software, or service, directly or indirectly, to any country for which the 11167754Smsmith * United States government or any agency thereof requires an export license, 11267754Smsmith * other governmental approval, or letter of assurance, without first obtaining 11367754Smsmith * such license, approval or letter. 11467754Smsmith * 11567754Smsmith *****************************************************************************/ 11667754Smsmith 11767754Smsmith#define __NSSEARCH_C__ 11867754Smsmith 11967754Smsmith#include "acpi.h" 12067754Smsmith#include "amlcode.h" 12167754Smsmith#include "acinterp.h" 12267754Smsmith#include "acnamesp.h" 12367754Smsmith 12467754Smsmith 12577424Smsmith#define _COMPONENT ACPI_NAMESPACE 12667754Smsmith MODULE_NAME ("nssearch") 12767754Smsmith 12867754Smsmith 12967754Smsmith/******************************************************************************* 13067754Smsmith * 13167754Smsmith * FUNCTION: AcpiNsSearchNode 13267754Smsmith * 13367754Smsmith * PARAMETERS: *TargetName - Ascii ACPI name to search for 13477424Smsmith * *Node - Starting table where search will begin 13567754Smsmith * Type - Object type to match 13677424Smsmith * **ReturnNode - Where the matched Named obj is returned 13767754Smsmith * 13867754Smsmith * RETURN: Status 13967754Smsmith * 14067754Smsmith * DESCRIPTION: Search a single namespace table. Performs a simple search, 14167754Smsmith * does not add entries or search parents. 14267754Smsmith * 14367754Smsmith * 14467754Smsmith * Named object lists are built (and subsequently dumped) in the 14567754Smsmith * order in which the names are encountered during the namespace load; 14667754Smsmith * 14767754Smsmith * All namespace searching is linear in this implementation, but 14867754Smsmith * could be easily modified to support any improved search 14967754Smsmith * algorithm. However, the linear search was chosen for simplicity 15067754Smsmith * and because the trees are small and the other interpreter 15167754Smsmith * execution overhead is relatively high. 15267754Smsmith * 15367754Smsmith ******************************************************************************/ 15467754Smsmith 15567754SmsmithACPI_STATUS 15667754SmsmithAcpiNsSearchNode ( 15767754Smsmith UINT32 TargetName, 15867754Smsmith ACPI_NAMESPACE_NODE *Node, 15977424Smsmith ACPI_OBJECT_TYPE8 Type, 16067754Smsmith ACPI_NAMESPACE_NODE **ReturnNode) 16167754Smsmith{ 16267754Smsmith ACPI_NAMESPACE_NODE *NextNode; 16367754Smsmith 16467754Smsmith 16567754Smsmith FUNCTION_TRACE ("NsSearchNode"); 16667754Smsmith 16771867Smsmith 16871867Smsmith#ifdef ACPI_DEBUG 16982367Smsmith if (ACPI_LV_NAMES & AcpiDbgLevel) 17067754Smsmith { 17171867Smsmith NATIVE_CHAR *ScopeName; 17277424Smsmith 17371867Smsmith ScopeName = AcpiNsGetTablePathname (Node); 17471867Smsmith if (ScopeName) 17571867Smsmith { 17682367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s [%p] For %4.4s (type %X)\n", 17777424Smsmith ScopeName, Node, &TargetName, Type)); 17871867Smsmith 17980062Smsmith ACPI_MEM_FREE (ScopeName); 18071867Smsmith } 18167754Smsmith } 18271867Smsmith#endif 18367754Smsmith 18467754Smsmith 18567754Smsmith /* 18667754Smsmith * Search for name in this table, which is to say that we must search 18767754Smsmith * for the name among the children of this object 18867754Smsmith */ 18967754Smsmith NextNode = Node->Child; 19067754Smsmith while (NextNode) 19167754Smsmith { 19267754Smsmith /* Check for match against the name */ 19367754Smsmith 19467754Smsmith if (NextNode->Name == TargetName) 19567754Smsmith { 19667754Smsmith /* 19777424Smsmith * Found matching entry. Capture the type if appropriate, before 19877424Smsmith * returning the entry. 19977424Smsmith * 20077424Smsmith * The DefFieldDefn and BankFieldDefn cases are actually looking up 20177424Smsmith * the Region in which the field will be defined 20267754Smsmith */ 20377424Smsmith if ((INTERNAL_TYPE_FIELD_DEFN == Type) || 20467754Smsmith (INTERNAL_TYPE_BANK_FIELD_DEFN == Type)) 20567754Smsmith { 20667754Smsmith Type = ACPI_TYPE_REGION; 20767754Smsmith } 20867754Smsmith 20967754Smsmith /* 21077424Smsmith * Scope, DefAny, and IndexFieldDefn are bogus "types" which do not 21177424Smsmith * actually have anything to do with the type of the name being 21277424Smsmith * looked up. For any other value of Type, if the type stored in 21377424Smsmith * the entry is Any (i.e. unknown), save the actual type. 21467754Smsmith */ 21567754Smsmith if (Type != INTERNAL_TYPE_SCOPE && 21667754Smsmith Type != INTERNAL_TYPE_DEF_ANY && 21767754Smsmith Type != INTERNAL_TYPE_INDEX_FIELD_DEFN && 21867754Smsmith NextNode->Type == ACPI_TYPE_ANY) 21967754Smsmith { 22067754Smsmith NextNode->Type = (UINT8) Type; 22167754Smsmith } 22267754Smsmith 22383174Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, 22482367Smsmith "Name %4.4s (actual type %X) found at %p\n", 22567754Smsmith &TargetName, NextNode->Type, NextNode)); 22667754Smsmith 22767754Smsmith *ReturnNode = NextNode; 22867754Smsmith return_ACPI_STATUS (AE_OK); 22967754Smsmith } 23067754Smsmith 23167754Smsmith 23267754Smsmith /* 23367754Smsmith * The last entry in the list points back to the parent, 23467754Smsmith * so a flag is used to indicate the end-of-list 23567754Smsmith */ 23667754Smsmith if (NextNode->Flags & ANOBJ_END_OF_PEER_LIST) 23767754Smsmith { 23867754Smsmith /* Searched entire list, we are done */ 23967754Smsmith 24067754Smsmith break; 24167754Smsmith } 24267754Smsmith 24367754Smsmith /* Didn't match name, move on to the next peer object */ 24467754Smsmith 24567754Smsmith NextNode = NextNode->Peer; 24667754Smsmith } 24767754Smsmith 24867754Smsmith 24967754Smsmith /* Searched entire table, not found */ 25067754Smsmith 25182367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Name %4.4s (type %X) not found at %p\n", 25267754Smsmith &TargetName, Type, NextNode)); 25367754Smsmith 25467754Smsmith return_ACPI_STATUS (AE_NOT_FOUND); 25567754Smsmith} 25667754Smsmith 25767754Smsmith 25867754Smsmith/******************************************************************************* 25967754Smsmith * 26067754Smsmith * FUNCTION: AcpiNsSearchParentTree 26167754Smsmith * 26267754Smsmith * PARAMETERS: *TargetName - Ascii ACPI name to search for 26377424Smsmith * *Node - Starting table where search will begin 26467754Smsmith * Type - Object type to match 26577424Smsmith * **ReturnNode - Where the matched Named Obj is returned 26667754Smsmith * 26767754Smsmith * RETURN: Status 26867754Smsmith * 26967754Smsmith * DESCRIPTION: Called when a name has not been found in the current namespace 27067754Smsmith * table. Before adding it or giving up, ACPI scope rules require 27167754Smsmith * searching enclosing scopes in cases identified by AcpiNsLocal(). 27267754Smsmith * 27367754Smsmith * "A name is located by finding the matching name in the current 27467754Smsmith * name space, and then in the parent name space. If the parent 27567754Smsmith * name space does not contain the name, the search continues 27667754Smsmith * recursively until either the name is found or the name space 27767754Smsmith * does not have a parent (the root of the name space). This 27867754Smsmith * indicates that the name is not found" (From ACPI Specification, 27967754Smsmith * section 5.3) 28067754Smsmith * 28167754Smsmith ******************************************************************************/ 28267754Smsmith 28369450Smsmithstatic ACPI_STATUS 28467754SmsmithAcpiNsSearchParentTree ( 28567754Smsmith UINT32 TargetName, 28667754Smsmith ACPI_NAMESPACE_NODE *Node, 28777424Smsmith ACPI_OBJECT_TYPE8 Type, 28867754Smsmith ACPI_NAMESPACE_NODE **ReturnNode) 28967754Smsmith{ 29067754Smsmith ACPI_STATUS Status; 29167754Smsmith ACPI_NAMESPACE_NODE *ParentNode; 29267754Smsmith 29367754Smsmith 29467754Smsmith FUNCTION_TRACE ("NsSearchParentTree"); 29567754Smsmith 29667754Smsmith 29767754Smsmith ParentNode = AcpiNsGetParentObject (Node); 29867754Smsmith 29967754Smsmith /* 30067754Smsmith * If there is no parent (at the root) or type is "local", we won't be 30167754Smsmith * searching the parent tree. 30267754Smsmith */ 30377424Smsmith if ((AcpiNsLocal (Type)) || 30467754Smsmith (!ParentNode)) 30567754Smsmith { 30667754Smsmith if (!ParentNode) 30767754Smsmith { 30882367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[%4.4s] has no parent\n", 30967754Smsmith &TargetName)); 31067754Smsmith } 31167754Smsmith 31267754Smsmith if (AcpiNsLocal (Type)) 31367754Smsmith { 31483174Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[%4.4s] type %X is local(no search)\n", 31567754Smsmith &TargetName, Type)); 31667754Smsmith } 31767754Smsmith 31867754Smsmith return_ACPI_STATUS (AE_NOT_FOUND); 31967754Smsmith } 32067754Smsmith 32167754Smsmith 32267754Smsmith /* Search the parent tree */ 32367754Smsmith 32482367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching parent for %4.4s\n", &TargetName)); 32567754Smsmith 32667754Smsmith /* 32767754Smsmith * Search parents until found the target or we have backed up to 32867754Smsmith * the root 32967754Smsmith */ 33067754Smsmith while (ParentNode) 33167754Smsmith { 33267754Smsmith /* Search parent scope */ 33367754Smsmith /* TBD: [Investigate] Why ACPI_TYPE_ANY? */ 33467754Smsmith 33567754Smsmith Status = AcpiNsSearchNode (TargetName, ParentNode, 33667754Smsmith ACPI_TYPE_ANY, ReturnNode); 33767754Smsmith 33867754Smsmith if (ACPI_SUCCESS (Status)) 33967754Smsmith { 34067754Smsmith return_ACPI_STATUS (Status); 34167754Smsmith } 34267754Smsmith 34367754Smsmith /* 34467754Smsmith * Not found here, go up another level 34567754Smsmith * (until we reach the root) 34667754Smsmith */ 34767754Smsmith ParentNode = AcpiNsGetParentObject (ParentNode); 34867754Smsmith } 34967754Smsmith 35067754Smsmith 35167754Smsmith /* Not found in parent tree */ 35267754Smsmith 35367754Smsmith return_ACPI_STATUS (AE_NOT_FOUND); 35467754Smsmith} 35567754Smsmith 35667754Smsmith 35767754Smsmith/******************************************************************************* 35867754Smsmith * 35967754Smsmith * FUNCTION: AcpiNsSearchAndEnter 36067754Smsmith * 36167754Smsmith * PARAMETERS: TargetName - Ascii ACPI name to search for (4 chars) 36267754Smsmith * WalkState - Current state of the walk 36377424Smsmith * *Node - Starting table where search will begin 36467754Smsmith * InterpreterMode - Add names only in MODE_LoadPassX. 36567754Smsmith * Otherwise,search only. 36667754Smsmith * Type - Object type to match 36767754Smsmith * Flags - Flags describing the search restrictions 36877424Smsmith * **ReturnNode - Where the Node is returned 36967754Smsmith * 37067754Smsmith * RETURN: Status 37167754Smsmith * 37267754Smsmith * DESCRIPTION: Search for a name segment in a single name table, 37367754Smsmith * optionally adding it if it is not found. If the passed 37467754Smsmith * Type is not Any and the type previously stored in the 37567754Smsmith * entry was Any (i.e. unknown), update the stored type. 37667754Smsmith * 37767754Smsmith * In IMODE_EXECUTE, search only. 37867754Smsmith * In other modes, search and add if not found. 37967754Smsmith * 38067754Smsmith ******************************************************************************/ 38167754Smsmith 38267754SmsmithACPI_STATUS 38367754SmsmithAcpiNsSearchAndEnter ( 38467754Smsmith UINT32 TargetName, 38567754Smsmith ACPI_WALK_STATE *WalkState, 38667754Smsmith ACPI_NAMESPACE_NODE *Node, 38767754Smsmith OPERATING_MODE InterpreterMode, 38877424Smsmith ACPI_OBJECT_TYPE8 Type, 38967754Smsmith UINT32 Flags, 39067754Smsmith ACPI_NAMESPACE_NODE **ReturnNode) 39167754Smsmith{ 39267754Smsmith ACPI_STATUS Status; 39367754Smsmith ACPI_NAMESPACE_NODE *NewNode; 39467754Smsmith 39567754Smsmith 39667754Smsmith FUNCTION_TRACE ("NsSearchAndEnter"); 39767754Smsmith 39867754Smsmith 39967754Smsmith /* Parameter validation */ 40067754Smsmith 40167754Smsmith if (!Node || !TargetName || !ReturnNode) 40267754Smsmith { 40382367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null param- Table %p Name %p Return %p\n", 40467754Smsmith Node, TargetName, ReturnNode)); 40567754Smsmith 40667754Smsmith REPORT_ERROR (("NsSearchAndEnter: bad (null) parameter\n")); 40767754Smsmith return_ACPI_STATUS (AE_BAD_PARAMETER); 40867754Smsmith } 40967754Smsmith 41067754Smsmith 41167754Smsmith /* Name must consist of printable characters */ 41267754Smsmith 41377424Smsmith if (!AcpiUtValidAcpiName (TargetName)) 41467754Smsmith { 41582367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "*** Bad character in name: %08lx *** \n", 41667754Smsmith TargetName)); 41767754Smsmith 41867754Smsmith REPORT_ERROR (("NsSearchAndEnter: Bad character in ACPI Name\n")); 41967754Smsmith return_ACPI_STATUS (AE_BAD_CHARACTER); 42067754Smsmith } 42167754Smsmith 42267754Smsmith 42367754Smsmith /* Try to find the name in the table specified by the caller */ 42467754Smsmith 42567754Smsmith *ReturnNode = ENTRY_NOT_FOUND; 42677424Smsmith Status = AcpiNsSearchNode (TargetName, Node, Type, ReturnNode); 42767754Smsmith if (Status != AE_NOT_FOUND) 42867754Smsmith { 42967754Smsmith /* 43077424Smsmith * If we found it AND the request specifies that a find is an error, 43177424Smsmith * return the error 43271867Smsmith */ 43371867Smsmith if ((Status == AE_OK) && 43471867Smsmith (Flags & NS_ERROR_IF_FOUND)) 43571867Smsmith { 43671867Smsmith Status = AE_EXIST; 43771867Smsmith } 43871867Smsmith 43971867Smsmith /* 44067754Smsmith * Either found it or there was an error 44167754Smsmith * -- finished either way 44267754Smsmith */ 44367754Smsmith return_ACPI_STATUS (Status); 44467754Smsmith } 44567754Smsmith 44667754Smsmith 44767754Smsmith /* 44867754Smsmith * Not found in the table. If we are NOT performing the 44967754Smsmith * first pass (name entry) of loading the namespace, search 45067754Smsmith * the parent tree (all the way to the root if necessary.) 45167754Smsmith * We don't want to perform the parent search when the 45267754Smsmith * namespace is actually being loaded. We want to perform 45367754Smsmith * the search when namespace references are being resolved 45467754Smsmith * (load pass 2) and during the execution phase. 45567754Smsmith */ 45667754Smsmith if ((InterpreterMode != IMODE_LOAD_PASS1) && 45767754Smsmith (Flags & NS_SEARCH_PARENT)) 45867754Smsmith { 45967754Smsmith /* 46067754Smsmith * Not found in table - search parent tree according 46167754Smsmith * to ACPI specification 46267754Smsmith */ 46367754Smsmith Status = AcpiNsSearchParentTree (TargetName, Node, 46467754Smsmith Type, ReturnNode); 46567754Smsmith if (ACPI_SUCCESS (Status)) 46667754Smsmith { 46767754Smsmith return_ACPI_STATUS (Status); 46867754Smsmith } 46967754Smsmith } 47067754Smsmith 47167754Smsmith 47267754Smsmith /* 47367754Smsmith * In execute mode, just search, never add names. Exit now. 47467754Smsmith */ 47567754Smsmith if (InterpreterMode == IMODE_EXECUTE) 47667754Smsmith { 47782367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "%4.4s Not found in %p [Not adding]\n", 47867754Smsmith &TargetName, Node)); 47967754Smsmith 48067754Smsmith return_ACPI_STATUS (AE_NOT_FOUND); 48167754Smsmith } 48267754Smsmith 48367754Smsmith 48467754Smsmith /* Create the new named object */ 48567754Smsmith 48667754Smsmith NewNode = AcpiNsCreateNode (TargetName); 48767754Smsmith if (!NewNode) 48867754Smsmith { 48967754Smsmith return_ACPI_STATUS (AE_NO_MEMORY); 49067754Smsmith } 49167754Smsmith 49267754Smsmith /* Install the new object into the parent's list of children */ 49367754Smsmith 49467754Smsmith AcpiNsInstallNode (WalkState, Node, NewNode, Type); 49567754Smsmith *ReturnNode = NewNode; 49667754Smsmith 49767754Smsmith return_ACPI_STATUS (AE_OK); 49867754Smsmith} 49967754Smsmith 500