From a17b812721f1050d37436e43b521f84f80533a0a Mon Sep 17 00:00:00 2001 From: aystarik Date: Wed, 29 Jun 2005 17:14:33 +0000 Subject: [PATCH] ACPI NameSpace Manager date 99.04.08.23.22.00; author rmoore1; state Exp; --- source/components/dispatcher/dswscope.c | 373 +++++++++--------------- 1 file changed, 135 insertions(+), 238 deletions(-) diff --git a/source/components/dispatcher/dswscope.c b/source/components/dispatcher/dswscope.c index 2cdb22d88..942b00aa8 100644 --- a/source/components/dispatcher/dswscope.c +++ b/source/components/dispatcher/dswscope.c @@ -1,258 +1,154 @@ -/****************************************************************************** - * - * Module Name: dswscope - Scope stack manipulation - * $Revision: 1.56 $ - * - *****************************************************************************/ +/*_________________________________________________________________________ + | + | + | Copyright (C) Intel Corporation 1994-1997 + | + | All rights reserved. No part of this program or publication may be + | reproduced, transmitted, transcribed, stored in a retrieval system, or + | translated into any language or computer language, in any form or by any + | means, electronic, mechanical, magnetic, optical, chemical, manual, or + | otherwise, without the prior written permission of Intel Corporation. + |__________________________________________________________________________ + | + | ModuleName: nsstack - Scope stack manipulation + |__________________________________________________________________________ +*/ -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2002, 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 __NSSTACK_C__ -#define __DSWSCOPE_C__ - -#include "acpi.h" -#include "acdispat.h" +#include +#include +#include -#define _COMPONENT ACPI_DISPATCHER - ACPI_MODULE_NAME ("dswscope") +#define _THIS_MODULE "nsstack.c" +#define _COMPONENT NAMESPACE -#define STACK_POP(head) head +static ST_KEY_DESC_TABLE KDT[] = { + {"0000", '1', "NsPushCurrentScope: null scope passed", "NsPushCurrentScope: null scope passed"}, + {"0001", 'W', "NsPushCurrentScope: type code out of range", "NsPushCurrentScope: type code out of range"}, + {"0002", '1', "Scope stack overflow", "Scope stack overflow"}, + {"0003", '1', "NsPushMethodScope: null scope passed", "NsPushMethodScope: null scope passed"}, + {"0004", '1', "Scope stack overflow", "Scope stack overflow"}, + {"0005", 'W', "NsPopCurrent: type code out of range", "NsPopCurrent: type code out of range"}, + {NULL, 'I', NULL, NULL} +}; + /**************************************************************************** * - * FUNCTION: AcpiDsScopeStackClear + * FUNCTION: NsPushCurrentScope * - * PARAMETERS: None + * PARAMETERS: nte *NewScope, name to be made current + * NsType Type, type of frame being pushed * - * DESCRIPTION: Pop (and free) everything on the scope stack except the - * root scope object (which remains at the stack top.) + * DESCRIPTION: Push the current scope on the scope stack, and make the + * passed nte current. * ***************************************************************************/ void -AcpiDsScopeStackClear ( - ACPI_WALK_STATE *WalkState) +NsPushCurrentScope (nte *NewScope, NsType Type) { - ACPI_GENERIC_STATE *ScopeInfo; - ACPI_FUNCTION_NAME ("DsScopeStackClear"); + FUNCTION_TRACE ("NsPushCurrentScope"); - while (WalkState->ScopeInfo) + if (!NewScope) { - /* Pop a scope off the stack */ + /* invalid scope */ - ScopeInfo = WalkState->ScopeInfo; - WalkState->ScopeInfo = ScopeInfo->Scope.Next; + REPORT_ERROR (&KDT[0]); + } - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "Popped object type (%s)\n", AcpiUtGetTypeName (ScopeInfo->Common.Value))); - AcpiUtDeleteGenericState (ScopeInfo); + else + { + if (OUTRANGE (Type, NsTypeNames) || + BadType == NsTypeNames[Type]) + { + /* type code out of range */ + + REPORT_WARNING (&KDT[1]); + } + + if (CurrentScope < &ScopeStack[MAXNEST-1]) /* check for overflow */ + { + /* no Scope stack overflow */ + + CurrentScope++; + CurrentScope->Scope = NewScope; + CurrentScope->Type = Type; + + if (CurrentScope->Scope == Root) + { + NsCurrentSize = NsRootSize; + } + + else + { + NsCurrentSize = TABLSIZE; + } + } + + else + { + /* Scope stack overflow */ + + REPORT_ERROR (&KDT[2]); + } } } /**************************************************************************** * - * FUNCTION: AcpiDsScopeStackPush + * FUNCTION: NsPushMethodScope * - * PARAMETERS: *Node, - Name to be made current - * Type, - Type of frame being pushed + * PARAMETERS: NsHandle NewScope, name to be made current * * DESCRIPTION: Push the current scope on the scope stack, and make the - * passed Node current. + * passed nte current. * ***************************************************************************/ -ACPI_STATUS -AcpiDsScopeStackPush ( - ACPI_NAMESPACE_NODE *Node, - ACPI_OBJECT_TYPE Type, - ACPI_WALK_STATE *WalkState) +void +NsPushMethodScope (NsHandle NewScope) { - ACPI_GENERIC_STATE *ScopeInfo; - ACPI_GENERIC_STATE *OldScopeInfo; + + FUNCTION_TRACE ("NsPushMethodScope"); - ACPI_FUNCTION_TRACE ("DsScopeStackPush"); - - - if (!Node) + if (!NewScope || + (nte *) 0 == ((nte *) NewScope)->ChildScope) { - /* Invalid scope */ + /* NewScope or NewScope->ChildScope invalid */ - ACPI_REPORT_ERROR (("DsScopeStackPush: null scope passed\n")); - return_ACPI_STATUS (AE_BAD_PARAMETER); + REPORT_ERROR (&KDT[3]); } - /* Make sure object type is valid */ - - if (!AcpiUtValidObjectType (Type)) - { - ACPI_REPORT_WARNING (("DsScopeStackPush: type code out of range\n")); - } - - - /* Allocate a new scope object */ - - ScopeInfo = AcpiUtCreateGenericState (); - if (!ScopeInfo) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - /* Init new scope object */ - - ScopeInfo->Common.DataType = ACPI_DESC_TYPE_STATE_WSCOPE; - ScopeInfo->Scope.Node = Node; - ScopeInfo->Common.Value = (UINT16) Type; - - WalkState->ScopeDepth++; - - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[%.2d] Pushed scope ", (UINT32) WalkState->ScopeDepth)); - - OldScopeInfo = WalkState->ScopeInfo; - if (OldScopeInfo) - { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[%4.4s] (%10s)", - OldScopeInfo->Scope.Node->Name.Ascii, - AcpiUtGetTypeName (OldScopeInfo->Common.Value))); - } else { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[\\___] (%10s)", "ROOT")); + if (CurrentScope < &ScopeStack[MAXNEST-1]) /* check for overflow */ + { + NsPushCurrentScope (((nte *) NewScope)->ChildScope, Method); + } + + else + { + /* scope stack overflow */ + + REPORT_ERROR (&KDT[4]); + } } - - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - ", New scope -> [%4.4s] (%s)\n", - ScopeInfo->Scope.Node->Name.Ascii, - AcpiUtGetTypeName (ScopeInfo->Common.Value))); - - /* Push new scope object onto stack */ - - AcpiUtPushGenericState (&WalkState->ScopeInfo, ScopeInfo); - - return_ACPI_STATUS (AE_OK); } - /**************************************************************************** * - * FUNCTION: AcpiDsScopeStackPop + * FUNCTION: NsPopCurrent * - * PARAMETERS: Type - The type of frame to be found + * PARAMETERS: NsType Type The type of frame to be found * * DESCRIPTION: Pop the scope stack until a frame of the requested type * is found. @@ -265,51 +161,52 @@ AcpiDsScopeStackPush ( * ***************************************************************************/ -ACPI_STATUS -AcpiDsScopeStackPop ( - ACPI_WALK_STATE *WalkState) +INT32 +NsPopCurrent (NsType Type) { - ACPI_GENERIC_STATE *ScopeInfo; - ACPI_GENERIC_STATE *NewScopeInfo; + INT32 Count = 0; - ACPI_FUNCTION_TRACE ("DsScopeStackPop"); + FUNCTION_TRACE ("NsPopCurrent"); - /* - * Pop scope info object off the stack. - */ - ScopeInfo = AcpiUtPopGenericState (&WalkState->ScopeInfo); - if (!ScopeInfo) + if (OUTRANGE (Type, NsTypeNames) || BadType == NsTypeNames[Type]) { - return_ACPI_STATUS (AE_STACK_UNDERFLOW); + /* type code out of range */ + + REPORT_WARNING (&KDT[5]); } - WalkState->ScopeDepth--; + DEBUG_PRINT (TRACE_EXEC, ("Popping Scope till type (%i) is found\n", Type)); - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[%.2d] Popped scope [%4.4s] (%10s), New scope -> ", - (UINT32) WalkState->ScopeDepth, - ScopeInfo->Scope.Node->Name.Ascii, - AcpiUtGetTypeName (ScopeInfo->Common.Value))); + while (CurrentScope > &ScopeStack[0]) + { + CurrentScope--; - NewScopeInfo = WalkState->ScopeInfo; - if (NewScopeInfo) - { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[%4.4s] (%s)\n", - NewScopeInfo->Scope.Node->Name.Ascii, - AcpiUtGetTypeName (NewScopeInfo->Common.Value))); - } - else - { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, - "[\\___] (ROOT)\n")); + if (Root == CurrentScope->Scope) + { + NsCurrentSize = NsRootSize; + } + else + { + NsCurrentSize = TABLSIZE; + } + + Count++; + + + DEBUG_PRINT (TRACE_EXEC, ("Popped %i ", (CurrentScope+1)->Type)); + + if ((Any == Type) || (Type == (CurrentScope + 1)->Type)) + { + DEBUG_PRINT (TRACE_EXEC, ("Found %i\n", Type)); + return Count; + } } - AcpiUtDeleteGenericState (ScopeInfo); - - return_ACPI_STATUS (AE_OK); + DEBUG_PRINT (TRACE_EXEC,("%i Not Found\n", Type)); + return -Count; } +