| 0,0 → 1,819 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: dswload2 - Dispatcher second pass namespace load callbacks |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2011, 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 __DSWLOAD2_C__ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #include "acdispat.h" |
| #include "acinterp.h" |
| #include "acnamesp.h" |
| #include "acevents.h" |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME ("dswload2") |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsLoad2BeginOp |
| * |
| * PARAMETERS: WalkState - Current state of the parse tree walk |
| * OutOp - Wher to return op if a new one is created |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Descending callback used during the loading of ACPI tables. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsLoad2BeginOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT **OutOp) |
| { |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_STATUS Status; |
| ACPI_OBJECT_TYPE ObjectType; |
| char *BufferPtr; |
| UINT32 Flags; |
| |
| |
| ACPI_FUNCTION_TRACE (DsLoad2BeginOp); |
| |
| |
| Op = WalkState->Op; |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", Op, WalkState)); |
| |
| if (Op) |
| { |
| if ((WalkState->ControlState) && |
| (WalkState->ControlState->Common.State == |
| ACPI_CONTROL_CONDITIONAL_EXECUTING)) |
| { |
| /* We are executing a while loop outside of a method */ |
| |
| Status = AcpiDsExecBeginOp (WalkState, OutOp); |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* We only care about Namespace opcodes here */ |
| |
| if ((!(WalkState->OpInfo->Flags & AML_NSOPCODE) && |
| (WalkState->Opcode != AML_INT_NAMEPATH_OP)) || |
| (!(WalkState->OpInfo->Flags & AML_NAMED))) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* Get the name we are going to enter or lookup in the namespace */ |
| |
| if (WalkState->Opcode == AML_INT_NAMEPATH_OP) |
| { |
| /* For Namepath op, get the path string */ |
| |
| BufferPtr = Op->Common.Value.String; |
| if (!BufferPtr) |
| { |
| /* No name, just exit */ |
| |
| return_ACPI_STATUS (AE_OK); |
| } |
| } |
| else |
| { |
| /* Get name from the op */ |
| |
| BufferPtr = ACPI_CAST_PTR (char, &Op->Named.Name); |
| } |
| } |
| else |
| { |
| /* Get the namestring from the raw AML */ |
| |
| BufferPtr = AcpiPsGetNextNamestring (&WalkState->ParserState); |
| } |
| |
| /* Map the opcode into an internal object type */ |
| |
| ObjectType = WalkState->OpInfo->ObjectType; |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "State=%p Op=%p Type=%X\n", WalkState, Op, ObjectType)); |
| |
| switch (WalkState->Opcode) |
| { |
| case AML_FIELD_OP: |
| case AML_BANK_FIELD_OP: |
| case AML_INDEX_FIELD_OP: |
| |
| Node = NULL; |
| Status = AE_OK; |
| break; |
| |
| case AML_INT_NAMEPATH_OP: |
| /* |
| * The NamePath is an object reference to an existing object. |
| * Don't enter the name into the namespace, but look it up |
| * for use later. |
| */ |
| Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, |
| ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, |
| WalkState, &(Node)); |
| break; |
| |
| case AML_SCOPE_OP: |
| |
| /* Special case for Scope(\) -> refers to the Root node */ |
| |
| if (Op && (Op->Named.Node == AcpiGbl_RootNode)) |
| { |
| Node = Op->Named.Node; |
| |
| Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| } |
| else |
| { |
| /* |
| * The Path is an object reference to an existing object. |
| * Don't enter the name into the namespace, but look it up |
| * for use later. |
| */ |
| Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, |
| ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, |
| WalkState, &(Node)); |
| if (ACPI_FAILURE (Status)) |
| { |
| #ifdef ACPI_ASL_COMPILER |
| if (Status == AE_NOT_FOUND) |
| { |
| Status = AE_OK; |
| } |
| else |
| { |
| ACPI_ERROR_NAMESPACE (BufferPtr, Status); |
| } |
| #else |
| ACPI_ERROR_NAMESPACE (BufferPtr, Status); |
| #endif |
| return_ACPI_STATUS (Status); |
| } |
| } |
| |
| /* |
| * We must check to make sure that the target is |
| * one of the opcodes that actually opens a scope |
| */ |
| switch (Node->Type) |
| { |
| case ACPI_TYPE_ANY: |
| case ACPI_TYPE_LOCAL_SCOPE: /* Scope */ |
| case ACPI_TYPE_DEVICE: |
| case ACPI_TYPE_POWER: |
| case ACPI_TYPE_PROCESSOR: |
| case ACPI_TYPE_THERMAL: |
| |
| /* These are acceptable types */ |
| break; |
| |
| case ACPI_TYPE_INTEGER: |
| case ACPI_TYPE_STRING: |
| case ACPI_TYPE_BUFFER: |
| |
| /* |
| * These types we will allow, but we will change the type. |
| * This enables some existing code of the form: |
| * |
| * Name (DEB, 0) |
| * Scope (DEB) { ... } |
| */ |
| ACPI_WARNING ((AE_INFO, |
| "Type override - [%4.4s] had invalid type (%s) " |
| "for Scope operator, changed to type ANY\n", |
| AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type))); |
| |
| Node->Type = ACPI_TYPE_ANY; |
| WalkState->ScopeInfo->Common.Value = ACPI_TYPE_ANY; |
| break; |
| |
| default: |
| |
| /* All other types are an error */ |
| |
| ACPI_ERROR ((AE_INFO, |
| "Invalid type (%s) for target of " |
| "Scope operator [%4.4s] (Cannot override)", |
| AcpiUtGetTypeName (Node->Type), AcpiUtGetNodeName (Node))); |
| |
| return (AE_AML_OPERAND_TYPE); |
| } |
| break; |
| |
| default: |
| |
| /* All other opcodes */ |
| |
| if (Op && Op->Common.Node) |
| { |
| /* This op/node was previously entered into the namespace */ |
| |
| Node = Op->Common.Node; |
| |
| if (AcpiNsOpensScope (ObjectType)) |
| { |
| Status = AcpiDsScopeStackPush (Node, ObjectType, WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| } |
| |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* |
| * Enter the named type into the internal namespace. We enter the name |
| * as we go downward in the parse tree. Any necessary subobjects that |
| * involve arguments to the opcode must be created as we go back up the |
| * parse tree later. |
| * |
| * Note: Name may already exist if we are executing a deferred opcode. |
| */ |
| if (WalkState->DeferredNode) |
| { |
| /* This name is already in the namespace, get the node */ |
| |
| Node = WalkState->DeferredNode; |
| Status = AE_OK; |
| break; |
| } |
| |
| Flags = ACPI_NS_NO_UPSEARCH; |
| if (WalkState->PassNumber == ACPI_IMODE_EXECUTE) |
| { |
| /* Execution mode, node cannot already exist, node is temporary */ |
| |
| Flags |= ACPI_NS_ERROR_IF_FOUND; |
| |
| if (!(WalkState->ParseFlags & ACPI_PARSE_MODULE_LEVEL)) |
| { |
| Flags |= ACPI_NS_TEMPORARY; |
| } |
| } |
| |
| /* Add new entry or lookup existing entry */ |
| |
| Status = AcpiNsLookup (WalkState->ScopeInfo, BufferPtr, ObjectType, |
| ACPI_IMODE_LOAD_PASS2, Flags, WalkState, &Node); |
| |
| if (ACPI_SUCCESS (Status) && (Flags & ACPI_NS_TEMPORARY)) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "***New Node [%4.4s] %p is temporary\n", |
| AcpiUtGetNodeName (Node), Node)); |
| } |
| break; |
| } |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_ERROR_NAMESPACE (BufferPtr, Status); |
| return_ACPI_STATUS (Status); |
| } |
| |
| if (!Op) |
| { |
| /* Create a new op */ |
| |
| Op = AcpiPsAllocOp (WalkState->Opcode); |
| if (!Op) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| |
| /* Initialize the new op */ |
| |
| if (Node) |
| { |
| Op->Named.Name = Node->Name.Integer; |
| } |
| *OutOp = Op; |
| } |
| |
| /* |
| * Put the Node in the "op" object that the parser uses, so we |
| * can get it again quickly when this scope is closed |
| */ |
| Op->Common.Node = Node; |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsLoad2EndOp |
| * |
| * PARAMETERS: WalkState - Current state of the parse tree walk |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Ascending callback used during the loading of the namespace, |
| * both control methods and everything else. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsLoad2EndOp ( |
| ACPI_WALK_STATE *WalkState) |
| { |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_STATUS Status = AE_OK; |
| ACPI_OBJECT_TYPE ObjectType; |
| ACPI_NAMESPACE_NODE *Node; |
| ACPI_PARSE_OBJECT *Arg; |
| ACPI_NAMESPACE_NODE *NewNode; |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| UINT32 i; |
| UINT8 RegionSpace; |
| #endif |
| |
| |
| ACPI_FUNCTION_TRACE (DsLoad2EndOp); |
| |
| Op = WalkState->Op; |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", |
| WalkState->OpInfo->Name, Op, WalkState)); |
| |
| /* Check if opcode had an associated namespace object */ |
| |
| if (!(WalkState->OpInfo->Flags & AML_NSOBJECT)) |
| { |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| if (Op->Common.AmlOpcode == AML_SCOPE_OP) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "Ending scope Op=%p State=%p\n", Op, WalkState)); |
| } |
| |
| ObjectType = WalkState->OpInfo->ObjectType; |
| |
| /* |
| * Get the Node/name from the earlier lookup |
| * (It was saved in the *op structure) |
| */ |
| Node = Op->Common.Node; |
| |
| /* |
| * Put the Node on the object stack (Contains the ACPI Name of |
| * this object) |
| */ |
| WalkState->Operands[0] = (void *) Node; |
| WalkState->NumOperands = 1; |
| |
| /* Pop the scope stack */ |
| |
| if (AcpiNsOpensScope (ObjectType) && |
| (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", |
| AcpiUtGetTypeName (ObjectType), Op)); |
| |
| Status = AcpiDsScopeStackPop (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| } |
| |
| /* |
| * Named operations are as follows: |
| * |
| * AML_ALIAS |
| * AML_BANKFIELD |
| * AML_CREATEBITFIELD |
| * AML_CREATEBYTEFIELD |
| * AML_CREATEDWORDFIELD |
| * AML_CREATEFIELD |
| * AML_CREATEQWORDFIELD |
| * AML_CREATEWORDFIELD |
| * AML_DATA_REGION |
| * AML_DEVICE |
| * AML_EVENT |
| * AML_FIELD |
| * AML_INDEXFIELD |
| * AML_METHOD |
| * AML_METHODCALL |
| * AML_MUTEX |
| * AML_NAME |
| * AML_NAMEDFIELD |
| * AML_OPREGION |
| * AML_POWERRES |
| * AML_PROCESSOR |
| * AML_SCOPE |
| * AML_THERMALZONE |
| */ |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "Create-Load [%s] State=%p Op=%p NamedObj=%p\n", |
| AcpiPsGetOpcodeName (Op->Common.AmlOpcode), WalkState, Op, Node)); |
| |
| /* Decode the opcode */ |
| |
| Arg = Op->Common.Value.Arg; |
| |
| switch (WalkState->OpInfo->Type) |
| { |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| |
| case AML_TYPE_CREATE_FIELD: |
| /* |
| * Create the field object, but the field buffer and index must |
| * be evaluated later during the execution phase |
| */ |
| Status = AcpiDsCreateBufferField (Op, WalkState); |
| break; |
| |
| |
| case AML_TYPE_NAMED_FIELD: |
| /* |
| * If we are executing a method, initialize the field |
| */ |
| if (WalkState->MethodNode) |
| { |
| Status = AcpiDsInitFieldObjects (Op, WalkState); |
| } |
| |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_INDEX_FIELD_OP: |
| |
| Status = AcpiDsCreateIndexField (Op, (ACPI_HANDLE) Arg->Common.Node, |
| WalkState); |
| break; |
| |
| case AML_BANK_FIELD_OP: |
| |
| Status = AcpiDsCreateBankField (Op, Arg->Common.Node, WalkState); |
| break; |
| |
| case AML_FIELD_OP: |
| |
| Status = AcpiDsCreateField (Op, Arg->Common.Node, WalkState); |
| break; |
| |
| default: |
| /* All NAMED_FIELD opcodes must be handled above */ |
| break; |
| } |
| break; |
| |
| |
| case AML_TYPE_NAMED_SIMPLE: |
| |
| Status = AcpiDsCreateOperands (WalkState, Arg); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| |
| switch (Op->Common.AmlOpcode) |
| { |
| case AML_PROCESSOR_OP: |
| |
| Status = AcpiExCreateProcessor (WalkState); |
| break; |
| |
| case AML_POWER_RES_OP: |
| |
| Status = AcpiExCreatePowerResource (WalkState); |
| break; |
| |
| case AML_MUTEX_OP: |
| |
| Status = AcpiExCreateMutex (WalkState); |
| break; |
| |
| case AML_EVENT_OP: |
| |
| Status = AcpiExCreateEvent (WalkState); |
| break; |
| |
| |
| case AML_ALIAS_OP: |
| |
| Status = AcpiExCreateAlias (WalkState); |
| break; |
| |
| default: |
| /* Unknown opcode */ |
| |
| Status = AE_OK; |
| goto Cleanup; |
| } |
| |
| /* Delete operands */ |
| |
| for (i = 1; i < WalkState->NumOperands; i++) |
| { |
| AcpiUtRemoveReference (WalkState->Operands[i]); |
| WalkState->Operands[i] = NULL; |
| } |
| |
| break; |
| #endif /* ACPI_NO_METHOD_EXECUTION */ |
| |
| case AML_TYPE_NAMED_COMPLEX: |
| |
| switch (Op->Common.AmlOpcode) |
| { |
| #ifndef ACPI_NO_METHOD_EXECUTION |
| case AML_REGION_OP: |
| case AML_DATA_REGION_OP: |
| |
| if (Op->Common.AmlOpcode == AML_REGION_OP) |
| { |
| RegionSpace = (ACPI_ADR_SPACE_TYPE) |
| ((Op->Common.Value.Arg)->Common.Value.Integer); |
| } |
| else |
| { |
| RegionSpace = ACPI_ADR_SPACE_DATA_TABLE; |
| } |
| |
| /* |
| * The OpRegion is not fully parsed at this time. The only valid |
| * argument is the SpaceId. (We must save the address of the |
| * AML of the address and length operands) |
| * |
| * If we have a valid region, initialize it. The namespace is |
| * unlocked at this point. |
| * |
| * Need to unlock interpreter if it is locked (if we are running |
| * a control method), in order to allow _REG methods to be run |
| * during AcpiEvInitializeRegion. |
| */ |
| if (WalkState->MethodNode) |
| { |
| /* |
| * Executing a method: initialize the region and unlock |
| * the interpreter |
| */ |
| Status = AcpiExCreateRegion (Op->Named.Data, Op->Named.Length, |
| RegionSpace, WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| |
| AcpiExExitInterpreter (); |
| } |
| |
| Status = AcpiEvInitializeRegion (AcpiNsGetAttachedObject (Node), |
| FALSE); |
| if (WalkState->MethodNode) |
| { |
| AcpiExEnterInterpreter (); |
| } |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| /* |
| * If AE_NOT_EXIST is returned, it is not fatal |
| * because many regions get created before a handler |
| * is installed for said region. |
| */ |
| if (AE_NOT_EXIST == Status) |
| { |
| Status = AE_OK; |
| } |
| } |
| break; |
| |
| |
| case AML_NAME_OP: |
| |
| Status = AcpiDsCreateNode (WalkState, Node, Op); |
| break; |
| |
| |
| case AML_METHOD_OP: |
| /* |
| * MethodOp PkgLength NameString MethodFlags TermList |
| * |
| * Note: We must create the method node/object pair as soon as we |
| * see the method declaration. This allows later pass1 parsing |
| * of invocations of the method (need to know the number of |
| * arguments.) |
| */ |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "LOADING-Method: State=%p Op=%p NamedObj=%p\n", |
| WalkState, Op, Op->Named.Node)); |
| |
| if (!AcpiNsGetAttachedObject (Op->Named.Node)) |
| { |
| WalkState->Operands[0] = ACPI_CAST_PTR (void, Op->Named.Node); |
| WalkState->NumOperands = 1; |
| |
| Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg); |
| if (ACPI_SUCCESS (Status)) |
| { |
| Status = AcpiExCreateMethod (Op->Named.Data, |
| Op->Named.Length, WalkState); |
| } |
| WalkState->Operands[0] = NULL; |
| WalkState->NumOperands = 0; |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| } |
| break; |
| |
| #endif /* ACPI_NO_METHOD_EXECUTION */ |
| |
| default: |
| /* All NAMED_COMPLEX opcodes must be handled above */ |
| break; |
| } |
| break; |
| |
| |
| case AML_CLASS_INTERNAL: |
| |
| /* case AML_INT_NAMEPATH_OP: */ |
| break; |
| |
| |
| case AML_CLASS_METHOD_CALL: |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n", |
| WalkState, Op, Node)); |
| |
| /* |
| * Lookup the method name and save the Node |
| */ |
| Status = AcpiNsLookup (WalkState->ScopeInfo, Arg->Common.Value.String, |
| ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS2, |
| ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, |
| WalkState, &(NewNode)); |
| if (ACPI_SUCCESS (Status)) |
| { |
| /* |
| * Make sure that what we found is indeed a method |
| * We didn't search for a method on purpose, to see if the name |
| * would resolve |
| */ |
| if (NewNode->Type != ACPI_TYPE_METHOD) |
| { |
| Status = AE_AML_OPERAND_TYPE; |
| } |
| |
| /* We could put the returned object (Node) on the object stack for |
| * later, but for now, we will put it in the "op" object that the |
| * parser uses, so we can get it again at the end of this scope |
| */ |
| Op->Common.Node = NewNode; |
| } |
| else |
| { |
| ACPI_ERROR_NAMESPACE (Arg->Common.Value.String, Status); |
| } |
| break; |
| |
| |
| default: |
| break; |
| } |
| |
| Cleanup: |
| |
| /* Remove the Node pushed at the very beginning */ |
| |
| WalkState->Operands[0] = NULL; |
| WalkState->NumOperands = 0; |
| return_ACPI_STATUS (Status); |
| } |
| |