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Diffstat (limited to 'sys/contrib/dev/acpica/nssearch.c')
| -rw-r--r-- | sys/contrib/dev/acpica/nssearch.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/sys/contrib/dev/acpica/nssearch.c b/sys/contrib/dev/acpica/nssearch.c deleted file mode 100644 index 23d6ec2..0000000 --- a/sys/contrib/dev/acpica/nssearch.c +++ /dev/null @@ -1,514 +0,0 @@ -/******************************************************************************* - * - * Module Name: nssearch - Namespace search - * $Revision: 1.121 $ - * - ******************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ - -#define __NSSEARCH_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acnamesp.h> - - -#define _COMPONENT ACPI_NAMESPACE - ACPI_MODULE_NAME ("nssearch") - -/* Local prototypes */ - -static ACPI_STATUS -AcpiNsSearchParentTree ( - UINT32 TargetName, - ACPI_NAMESPACE_NODE *Node, - ACPI_OBJECT_TYPE Type, - ACPI_NAMESPACE_NODE **ReturnNode); - - -/******************************************************************************* - * - * FUNCTION: AcpiNsSearchOneScope - * - * PARAMETERS: TargetName - Ascii ACPI name to search for - * ParentNode - Starting node where search will begin - * Type - Object type to match - * ReturnNode - Where the matched Named obj is returned - * - * RETURN: Status - * - * DESCRIPTION: Search a single level of the namespace. Performs a - * simple search of the specified level, and does not add - * entries or search parents. - * - * - * Named object lists are built (and subsequently dumped) in the - * order in which the names are encountered during the namespace load; - * - * All namespace searching is linear in this implementation, but - * could be easily modified to support any improved search - * algorithm. However, the linear search was chosen for simplicity - * and because the trees are small and the other interpreter - * execution overhead is relatively high. - * - * Note: CPU execution analysis has shown that the AML interpreter spends - * a very small percentage of its time searching the namespace. Therefore, - * the linear search seems to be sufficient, as there would seem to be - * little value in improving the search. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsSearchOneScope ( - UINT32 TargetName, - ACPI_NAMESPACE_NODE *ParentNode, - ACPI_OBJECT_TYPE Type, - ACPI_NAMESPACE_NODE **ReturnNode) -{ - ACPI_NAMESPACE_NODE *Node; - - - ACPI_FUNCTION_TRACE (NsSearchOneScope); - - -#ifdef ACPI_DEBUG_OUTPUT - if (ACPI_LV_NAMES & AcpiDbgLevel) - { - char *ScopeName; - - ScopeName = AcpiNsGetExternalPathname (ParentNode); - if (ScopeName) - { - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "Searching %s (%p) For [%4.4s] (%s)\n", - ScopeName, ParentNode, ACPI_CAST_PTR (char, &TargetName), - AcpiUtGetTypeName (Type))); - - ACPI_FREE (ScopeName); - } - } -#endif - - /* - * Search for name at this namespace level, which is to say that we - * must search for the name among the children of this object - */ - Node = ParentNode->Child; - while (Node) - { - /* Check for match against the name */ - - if (Node->Name.Integer == TargetName) - { - /* Resolve a control method alias if any */ - - if (AcpiNsGetType (Node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) - { - Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Node->Object); - } - - /* Found matching entry */ - - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n", - ACPI_CAST_PTR (char, &TargetName), - AcpiUtGetTypeName (Node->Type), - Node, AcpiUtGetNodeName (ParentNode), ParentNode)); - - *ReturnNode = Node; - return_ACPI_STATUS (AE_OK); - } - - /* - * The last entry in the list points back to the parent, - * so a flag is used to indicate the end-of-list - */ - if (Node->Flags & ANOBJ_END_OF_PEER_LIST) - { - /* Searched entire list, we are done */ - - break; - } - - /* Didn't match name, move on to the next peer object */ - - Node = Node->Peer; - } - - /* Searched entire namespace level, not found */ - - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n", - ACPI_CAST_PTR (char, &TargetName), AcpiUtGetTypeName (Type), - AcpiUtGetNodeName (ParentNode), ParentNode, ParentNode->Child)); - - return_ACPI_STATUS (AE_NOT_FOUND); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsSearchParentTree - * - * PARAMETERS: TargetName - Ascii ACPI name to search for - * Node - Starting node where search will begin - * Type - Object type to match - * ReturnNode - Where the matched Node is returned - * - * RETURN: Status - * - * DESCRIPTION: Called when a name has not been found in the current namespace - * level. Before adding it or giving up, ACPI scope rules require - * searching enclosing scopes in cases identified by AcpiNsLocal(). - * - * "A name is located by finding the matching name in the current - * name space, and then in the parent name space. If the parent - * name space does not contain the name, the search continues - * recursively until either the name is found or the name space - * does not have a parent (the root of the name space). This - * indicates that the name is not found" (From ACPI Specification, - * section 5.3) - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiNsSearchParentTree ( - UINT32 TargetName, - ACPI_NAMESPACE_NODE *Node, - ACPI_OBJECT_TYPE Type, - ACPI_NAMESPACE_NODE **ReturnNode) -{ - ACPI_STATUS Status; - ACPI_NAMESPACE_NODE *ParentNode; - - - ACPI_FUNCTION_TRACE (NsSearchParentTree); - - - ParentNode = AcpiNsGetParentNode (Node); - - /* - * If there is no parent (i.e., we are at the root) or type is "local", - * we won't be searching the parent tree. - */ - if (!ParentNode) - { - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[%4.4s] has no parent\n", - ACPI_CAST_PTR (char, &TargetName))); - return_ACPI_STATUS (AE_NOT_FOUND); - } - - if (AcpiNsLocal (Type)) - { - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "[%4.4s] type [%s] must be local to this scope (no parent search)\n", - ACPI_CAST_PTR (char, &TargetName), AcpiUtGetTypeName (Type))); - return_ACPI_STATUS (AE_NOT_FOUND); - } - - /* Search the parent tree */ - - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "Searching parent [%4.4s] for [%4.4s]\n", - AcpiUtGetNodeName (ParentNode), ACPI_CAST_PTR (char, &TargetName))); - - /* - * Search parents until target is found or we have backed up to the root - */ - while (ParentNode) - { - /* - * Search parent scope. Use TYPE_ANY because we don't care about the - * object type at this point, we only care about the existence of - * the actual name we are searching for. Typechecking comes later. - */ - Status = AcpiNsSearchOneScope ( - TargetName, ParentNode, ACPI_TYPE_ANY, ReturnNode); - if (ACPI_SUCCESS (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Not found here, go up another level (until we reach the root) */ - - ParentNode = AcpiNsGetParentNode (ParentNode); - } - - /* Not found in parent tree */ - - return_ACPI_STATUS (AE_NOT_FOUND); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsSearchAndEnter - * - * PARAMETERS: TargetName - Ascii ACPI name to search for (4 chars) - * WalkState - Current state of the walk - * Node - Starting node where search will begin - * InterpreterMode - Add names only in ACPI_MODE_LOAD_PASS_x. - * Otherwise,search only. - * Type - Object type to match - * Flags - Flags describing the search restrictions - * ReturnNode - Where the Node is returned - * - * RETURN: Status - * - * DESCRIPTION: Search for a name segment in a single namespace level, - * optionally adding it if it is not found. If the passed - * Type is not Any and the type previously stored in the - * entry was Any (i.e. unknown), update the stored type. - * - * In ACPI_IMODE_EXECUTE, search only. - * In other modes, search and add if not found. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiNsSearchAndEnter ( - UINT32 TargetName, - ACPI_WALK_STATE *WalkState, - ACPI_NAMESPACE_NODE *Node, - ACPI_INTERPRETER_MODE InterpreterMode, - ACPI_OBJECT_TYPE Type, - UINT32 Flags, - ACPI_NAMESPACE_NODE **ReturnNode) -{ - ACPI_STATUS Status; - ACPI_NAMESPACE_NODE *NewNode; - - - ACPI_FUNCTION_TRACE (NsSearchAndEnter); - - - /* Parameter validation */ - - if (!Node || !TargetName || !ReturnNode) - { - ACPI_ERROR ((AE_INFO, - "Null parameter: Node %p Name %X ReturnNode %p", - Node, TargetName, ReturnNode)); - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* - * Name must consist of valid ACPI characters. We will repair the name if - * necessary because we don't want to abort because of this, but we want - * all namespace names to be printable. A warning message is appropriate. - * - * This issue came up because there are in fact machines that exhibit - * this problem, and we want to be able to enable ACPI support for them, - * even though there are a few bad names. - */ - if (!AcpiUtValidAcpiName (TargetName)) - { - TargetName = AcpiUtRepairName (ACPI_CAST_PTR (char, &TargetName)); - - /* Report warning only if in strict mode or debug mode */ - - if (!AcpiGbl_EnableInterpreterSlack) - { - ACPI_WARNING ((AE_INFO, - "Found bad character(s) in name, repaired: [%4.4s]\n", - ACPI_CAST_PTR (char, &TargetName))); - } - else - { - ACPI_DEBUG_PRINT ((ACPI_DB_WARN, - "Found bad character(s) in name, repaired: [%4.4s]\n", - ACPI_CAST_PTR (char, &TargetName))); - } - } - - /* Try to find the name in the namespace level specified by the caller */ - - *ReturnNode = ACPI_ENTRY_NOT_FOUND; - Status = AcpiNsSearchOneScope (TargetName, Node, Type, ReturnNode); - if (Status != AE_NOT_FOUND) - { - /* - * If we found it AND the request specifies that a find is an error, - * return the error - */ - if ((Status == AE_OK) && - (Flags & ACPI_NS_ERROR_IF_FOUND)) - { - Status = AE_ALREADY_EXISTS; - } - - /* Either found it or there was an error: finished either way */ - - return_ACPI_STATUS (Status); - } - - /* - * The name was not found. If we are NOT performing the first pass - * (name entry) of loading the namespace, search the parent tree (all the - * way to the root if necessary.) We don't want to perform the parent - * search when the namespace is actually being loaded. We want to perform - * the search when namespace references are being resolved (load pass 2) - * and during the execution phase. - */ - if ((InterpreterMode != ACPI_IMODE_LOAD_PASS1) && - (Flags & ACPI_NS_SEARCH_PARENT)) - { - /* - * Not found at this level - search parent tree according to the - * ACPI specification - */ - Status = AcpiNsSearchParentTree (TargetName, Node, Type, ReturnNode); - if (ACPI_SUCCESS (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* In execute mode, just search, never add names. Exit now */ - - if (InterpreterMode == ACPI_IMODE_EXECUTE) - { - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "%4.4s Not found in %p [Not adding]\n", - ACPI_CAST_PTR (char, &TargetName), Node)); - - return_ACPI_STATUS (AE_NOT_FOUND); - } - - /* Create the new named object */ - - NewNode = AcpiNsCreateNode (TargetName); - if (!NewNode) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - -#ifdef ACPI_ASL_COMPILER - /* - * Node is an object defined by an External() statement - */ - if (Flags & ACPI_NS_EXTERNAL) - { - NewNode->Flags |= ANOBJ_IS_EXTERNAL; - } -#endif - - if (Flags & ACPI_NS_TEMPORARY) - { - NewNode->Flags |= ANOBJ_TEMPORARY; - } - - /* Install the new object into the parent's list of children */ - - AcpiNsInstallNode (WalkState, Node, NewNode, Type); - *ReturnNode = NewNode; - return_ACPI_STATUS (AE_OK); -} - |
