| 0,0 → 1,853 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: dswexec - Dispatcher method execution callbacks; |
| * dispatch to interpreter. |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2010, 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 __DSWEXEC_C__ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acparser.h" |
| #include "amlcode.h" |
| #include "acdispat.h" |
| #include "acinterp.h" |
| #include "acnamesp.h" |
| #include "acdebug.h" |
| |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME ("dswexec") |
| |
| /* |
| * Dispatch table for opcode classes |
| */ |
| static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch [] = |
| { |
| AcpiExOpcode_0A_0T_1R, |
| AcpiExOpcode_1A_0T_0R, |
| AcpiExOpcode_1A_0T_1R, |
| AcpiExOpcode_1A_1T_0R, |
| AcpiExOpcode_1A_1T_1R, |
| AcpiExOpcode_2A_0T_0R, |
| AcpiExOpcode_2A_0T_1R, |
| AcpiExOpcode_2A_1T_1R, |
| AcpiExOpcode_2A_2T_1R, |
| AcpiExOpcode_3A_0T_0R, |
| AcpiExOpcode_3A_1T_1R, |
| AcpiExOpcode_6A_0T_1R |
| }; |
| |
| |
| /***************************************************************************** |
| * |
| * FUNCTION: AcpiDsGetPredicateValue |
| * |
| * PARAMETERS: WalkState - Current state of the parse tree walk |
| * ResultObj - if non-zero, pop result from result stack |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Get the result of a predicate evaluation |
| * |
| ****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsGetPredicateValue ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_OPERAND_OBJECT *ResultObj) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_OPERAND_OBJECT *ObjDesc; |
| ACPI_OPERAND_OBJECT *LocalObjDesc = NULL; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsGetPredicateValue, WalkState); |
| |
| |
| WalkState->ControlState->Common.State = 0; |
| |
| if (ResultObj) |
| { |
| Status = AcpiDsResultPop (&ObjDesc, WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "Could not get result from predicate evaluation")); |
| |
| return_ACPI_STATUS (Status); |
| } |
| } |
| else |
| { |
| Status = AcpiDsCreateOperand (WalkState, WalkState->Op, 0); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| ObjDesc = WalkState->Operands [0]; |
| } |
| |
| if (!ObjDesc) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "No predicate ObjDesc=%p State=%p", |
| ObjDesc, WalkState)); |
| |
| return_ACPI_STATUS (AE_AML_NO_OPERAND); |
| } |
| |
| /* |
| * Result of predicate evaluation must be an Integer |
| * object. Implicitly convert the argument if necessary. |
| */ |
| Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| |
| if (LocalObjDesc->Common.Type != ACPI_TYPE_INTEGER) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X", |
| ObjDesc, WalkState, ObjDesc->Common.Type)); |
| |
| Status = AE_AML_OPERAND_TYPE; |
| goto Cleanup; |
| } |
| |
| /* Truncate the predicate to 32-bits if necessary */ |
| |
| AcpiExTruncateFor32bitTable (LocalObjDesc); |
| |
| /* |
| * Save the result of the predicate evaluation on |
| * the control stack |
| */ |
| if (LocalObjDesc->Integer.Value) |
| { |
| WalkState->ControlState->Common.Value = TRUE; |
| } |
| else |
| { |
| /* |
| * Predicate is FALSE, we will just toss the |
| * rest of the package |
| */ |
| WalkState->ControlState->Common.Value = FALSE; |
| Status = AE_CTRL_FALSE; |
| } |
| |
| /* Predicate can be used for an implicit return value */ |
| |
| (void) AcpiDsDoImplicitReturn (LocalObjDesc, WalkState, TRUE); |
| |
| |
| Cleanup: |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n", |
| WalkState->ControlState->Common.Value, WalkState->Op)); |
| |
| /* Break to debugger to display result */ |
| |
| ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (LocalObjDesc, WalkState)); |
| |
| /* |
| * Delete the predicate result object (we know that |
| * we don't need it anymore) |
| */ |
| if (LocalObjDesc != ObjDesc) |
| { |
| AcpiUtRemoveReference (LocalObjDesc); |
| } |
| AcpiUtRemoveReference (ObjDesc); |
| |
| WalkState->ControlState->Common.State = ACPI_CONTROL_NORMAL; |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /***************************************************************************** |
| * |
| * FUNCTION: AcpiDsExecBeginOp |
| * |
| * PARAMETERS: WalkState - Current state of the parse tree walk |
| * OutOp - Where to return op if a new one is created |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Descending callback used during the execution of control |
| * methods. This is where most operators and operands are |
| * dispatched to the interpreter. |
| * |
| ****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsExecBeginOp ( |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT **OutOp) |
| { |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_STATUS Status = AE_OK; |
| UINT32 OpcodeClass; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsExecBeginOp, WalkState); |
| |
| |
| Op = WalkState->Op; |
| if (!Op) |
| { |
| Status = AcpiDsLoad2BeginOp (WalkState, OutOp); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto ErrorExit; |
| } |
| |
| Op = *OutOp; |
| WalkState->Op = Op; |
| WalkState->Opcode = Op->Common.AmlOpcode; |
| WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); |
| |
| if (AcpiNsOpensScope (WalkState->OpInfo->ObjectType)) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "(%s) Popping scope for Op %p\n", |
| AcpiUtGetTypeName (WalkState->OpInfo->ObjectType), Op)); |
| |
| Status = AcpiDsScopeStackPop (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto ErrorExit; |
| } |
| } |
| } |
| |
| if (Op == WalkState->Origin) |
| { |
| if (OutOp) |
| { |
| *OutOp = Op; |
| } |
| |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| /* |
| * If the previous opcode was a conditional, this opcode |
| * must be the beginning of the associated predicate. |
| * Save this knowledge in the current scope descriptor |
| */ |
| if ((WalkState->ControlState) && |
| (WalkState->ControlState->Common.State == |
| ACPI_CONTROL_CONDITIONAL_EXECUTING)) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Exec predicate Op=%p State=%p\n", |
| Op, WalkState)); |
| |
| WalkState->ControlState->Common.State = ACPI_CONTROL_PREDICATE_EXECUTING; |
| |
| /* Save start of predicate */ |
| |
| WalkState->ControlState->Control.PredicateOp = Op; |
| } |
| |
| |
| OpcodeClass = WalkState->OpInfo->Class; |
| |
| /* We want to send namepaths to the load code */ |
| |
| if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) |
| { |
| OpcodeClass = AML_CLASS_NAMED_OBJECT; |
| } |
| |
| /* |
| * Handle the opcode based upon the opcode type |
| */ |
| switch (OpcodeClass) |
| { |
| case AML_CLASS_CONTROL: |
| |
| Status = AcpiDsExecBeginControlOp (WalkState, Op); |
| break; |
| |
| |
| case AML_CLASS_NAMED_OBJECT: |
| |
| if (WalkState->WalkType & ACPI_WALK_METHOD) |
| { |
| /* |
| * Found a named object declaration during method execution; |
| * we must enter this object into the namespace. The created |
| * object is temporary and will be deleted upon completion of |
| * the execution of this method. |
| */ |
| Status = AcpiDsLoad2BeginOp (WalkState, NULL); |
| } |
| |
| break; |
| |
| |
| case AML_CLASS_EXECUTE: |
| case AML_CLASS_CREATE: |
| |
| break; |
| |
| |
| default: |
| break; |
| } |
| |
| /* Nothing to do here during method execution */ |
| |
| return_ACPI_STATUS (Status); |
| |
| |
| ErrorExit: |
| Status = AcpiDsMethodError (Status, WalkState); |
| return_ACPI_STATUS (Status); |
| } |
| |
| |
| /***************************************************************************** |
| * |
| * FUNCTION: AcpiDsExecEndOp |
| * |
| * PARAMETERS: WalkState - Current state of the parse tree walk |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Ascending callback used during the execution of control |
| * methods. The only thing we really need to do here is to |
| * notice the beginning of IF, ELSE, and WHILE blocks. |
| * |
| ****************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiDsExecEndOp ( |
| ACPI_WALK_STATE *WalkState) |
| { |
| ACPI_PARSE_OBJECT *Op; |
| ACPI_STATUS Status = AE_OK; |
| UINT32 OpType; |
| UINT32 OpClass; |
| ACPI_PARSE_OBJECT *NextOp; |
| ACPI_PARSE_OBJECT *FirstArg; |
| |
| |
| ACPI_FUNCTION_TRACE_PTR (DsExecEndOp, WalkState); |
| |
| |
| Op = WalkState->Op; |
| OpType = WalkState->OpInfo->Type; |
| OpClass = WalkState->OpInfo->Class; |
| |
| if (OpClass == AML_CLASS_UNKNOWN) |
| { |
| ACPI_ERROR ((AE_INFO, "Unknown opcode 0x%X", Op->Common.AmlOpcode)); |
| return_ACPI_STATUS (AE_NOT_IMPLEMENTED); |
| } |
| |
| FirstArg = Op->Common.Value.Arg; |
| |
| /* Init the walk state */ |
| |
| WalkState->NumOperands = 0; |
| WalkState->OperandIndex = 0; |
| WalkState->ReturnDesc = NULL; |
| WalkState->ResultObj = NULL; |
| |
| /* Call debugger for single step support (DEBUG build only) */ |
| |
| ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass)); |
| ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);}); |
| |
| /* Decode the Opcode Class */ |
| |
| switch (OpClass) |
| { |
| case AML_CLASS_ARGUMENT: /* Constants, literals, etc. */ |
| |
| if (WalkState->Opcode == AML_INT_NAMEPATH_OP) |
| { |
| Status = AcpiDsEvaluateNamePath (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| } |
| break; |
| |
| |
| case AML_CLASS_EXECUTE: /* Most operators with arguments */ |
| |
| /* Build resolved operand stack */ |
| |
| Status = AcpiDsCreateOperands (WalkState, FirstArg); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto Cleanup; |
| } |
| |
| /* |
| * All opcodes require operand resolution, with the only exceptions |
| * being the ObjectType and SizeOf operators. |
| */ |
| if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE)) |
| { |
| /* Resolve all operands */ |
| |
| Status = AcpiExResolveOperands (WalkState->Opcode, |
| &(WalkState->Operands [WalkState->NumOperands -1]), |
| WalkState); |
| } |
| |
| if (ACPI_SUCCESS (Status)) |
| { |
| /* |
| * Dispatch the request to the appropriate interpreter handler |
| * routine. There is one routine per opcode "type" based upon the |
| * number of opcode arguments and return type. |
| */ |
| Status = AcpiGbl_OpTypeDispatch[OpType] (WalkState); |
| } |
| else |
| { |
| /* |
| * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the |
| * Local is uninitialized. |
| */ |
| if ((Status == AE_AML_UNINITIALIZED_LOCAL) && |
| (WalkState->Opcode == AML_STORE_OP) && |
| (WalkState->Operands[0]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && |
| (WalkState->Operands[1]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && |
| (WalkState->Operands[0]->Reference.Class == |
| WalkState->Operands[1]->Reference.Class) && |
| (WalkState->Operands[0]->Reference.Value == |
| WalkState->Operands[1]->Reference.Value)) |
| { |
| Status = AE_OK; |
| } |
| else |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "While resolving operands for [%s]", |
| AcpiPsGetOpcodeName (WalkState->Opcode))); |
| } |
| } |
| |
| /* Always delete the argument objects and clear the operand stack */ |
| |
| AcpiDsClearOperands (WalkState); |
| |
| /* |
| * If a result object was returned from above, push it on the |
| * current result stack |
| */ |
| if (ACPI_SUCCESS (Status) && |
| WalkState->ResultObj) |
| { |
| Status = AcpiDsResultPush (WalkState->ResultObj, WalkState); |
| } |
| break; |
| |
| |
| default: |
| |
| switch (OpType) |
| { |
| case AML_TYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */ |
| |
| /* 1 Operand, 0 ExternalResult, 0 InternalResult */ |
| |
| Status = AcpiDsExecEndControlOp (WalkState, Op); |
| |
| break; |
| |
| |
| case AML_TYPE_METHOD_CALL: |
| |
| /* |
| * If the method is referenced from within a package |
| * declaration, it is not a invocation of the method, just |
| * a reference to it. |
| */ |
| if ((Op->Asl.Parent) && |
| ((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) || |
| (Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP))) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "Method Reference in a Package, Op=%p\n", Op)); |
| |
| Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node; |
| AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object); |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op)); |
| |
| /* |
| * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains |
| * the method Node pointer |
| */ |
| /* NextOp points to the op that holds the method name */ |
| |
| NextOp = FirstArg; |
| |
| /* NextOp points to first argument op */ |
| |
| NextOp = NextOp->Common.Next; |
| |
| /* |
| * Get the method's arguments and put them on the operand stack |
| */ |
| Status = AcpiDsCreateOperands (WalkState, NextOp); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| |
| /* |
| * Since the operands will be passed to another control method, |
| * we must resolve all local references here (Local variables, |
| * arguments to *this* method, etc.) |
| */ |
| Status = AcpiDsResolveOperands (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| /* On error, clear all resolved operands */ |
| |
| AcpiDsClearOperands (WalkState); |
| break; |
| } |
| |
| /* |
| * Tell the walk loop to preempt this running method and |
| * execute the new method |
| */ |
| Status = AE_CTRL_TRANSFER; |
| |
| /* |
| * Return now; we don't want to disturb anything, |
| * especially the operand count! |
| */ |
| return_ACPI_STATUS (Status); |
| |
| |
| case AML_TYPE_CREATE_FIELD: |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Executing CreateField Buffer/Index Op=%p\n", Op)); |
| |
| Status = AcpiDsLoad2EndOp (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| |
| Status = AcpiDsEvalBufferFieldOperands (WalkState, Op); |
| break; |
| |
| |
| case AML_TYPE_CREATE_OBJECT: |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Executing CreateObject (Buffer/Package) Op=%p\n", Op)); |
| |
| switch (Op->Common.Parent->Common.AmlOpcode) |
| { |
| case AML_NAME_OP: |
| |
| /* |
| * Put the Node on the object stack (Contains the ACPI Name |
| * of this object) |
| */ |
| WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node; |
| WalkState->NumOperands = 1; |
| |
| Status = AcpiDsCreateNode (WalkState, |
| Op->Common.Parent->Common.Node, |
| Op->Common.Parent); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| |
| /* Fall through */ |
| /*lint -fallthrough */ |
| |
| case AML_INT_EVAL_SUBTREE_OP: |
| |
| Status = AcpiDsEvalDataObjectOperands (WalkState, Op, |
| AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node)); |
| break; |
| |
| default: |
| |
| Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL); |
| break; |
| } |
| |
| /* |
| * If a result object was returned from above, push it on the |
| * current result stack |
| */ |
| if (WalkState->ResultObj) |
| { |
| Status = AcpiDsResultPush (WalkState->ResultObj, WalkState); |
| } |
| break; |
| |
| |
| case AML_TYPE_NAMED_FIELD: |
| case AML_TYPE_NAMED_COMPLEX: |
| case AML_TYPE_NAMED_SIMPLE: |
| case AML_TYPE_NAMED_NO_OBJ: |
| |
| Status = AcpiDsLoad2EndOp (WalkState); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| |
| if (Op->Common.AmlOpcode == AML_REGION_OP) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Executing OpRegion Address/Length Op=%p\n", Op)); |
| |
| Status = AcpiDsEvalRegionOperands (WalkState, Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| } |
| else if (Op->Common.AmlOpcode == AML_DATA_REGION_OP) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Executing DataTableRegion Strings Op=%p\n", Op)); |
| |
| Status = AcpiDsEvalTableRegionOperands (WalkState, Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| } |
| else if (Op->Common.AmlOpcode == AML_BANK_FIELD_OP) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "Executing BankField Op=%p\n", Op)); |
| |
| Status = AcpiDsEvalBankFieldOperands (WalkState, Op); |
| if (ACPI_FAILURE (Status)) |
| { |
| break; |
| } |
| } |
| break; |
| |
| |
| case AML_TYPE_UNDEFINED: |
| |
| ACPI_ERROR ((AE_INFO, |
| "Undefined opcode type Op=%p", Op)); |
| return_ACPI_STATUS (AE_NOT_IMPLEMENTED); |
| |
| |
| case AML_TYPE_BOGUS: |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "Internal opcode=%X type Op=%p\n", |
| WalkState->Opcode, Op)); |
| break; |
| |
| |
| default: |
| |
| ACPI_ERROR ((AE_INFO, |
| "Unimplemented opcode, class=0x%X type=0x%X Opcode=-0x%X Op=%p", |
| OpClass, OpType, Op->Common.AmlOpcode, Op)); |
| |
| Status = AE_NOT_IMPLEMENTED; |
| break; |
| } |
| } |
| |
| /* |
| * ACPI 2.0 support for 64-bit integers: Truncate numeric |
| * result value if we are executing from a 32-bit ACPI table |
| */ |
| AcpiExTruncateFor32bitTable (WalkState->ResultObj); |
| |
| /* |
| * Check if we just completed the evaluation of a |
| * conditional predicate |
| */ |
| if ((ACPI_SUCCESS (Status)) && |
| (WalkState->ControlState) && |
| (WalkState->ControlState->Common.State == |
| ACPI_CONTROL_PREDICATE_EXECUTING) && |
| (WalkState->ControlState->Control.PredicateOp == Op)) |
| { |
| Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj); |
| WalkState->ResultObj = NULL; |
| } |
| |
| |
| Cleanup: |
| |
| if (WalkState->ResultObj) |
| { |
| /* Break to debugger to display result */ |
| |
| ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (WalkState->ResultObj, |
| WalkState)); |
| |
| /* |
| * Delete the result op if and only if: |
| * Parent will not use the result -- such as any |
| * non-nested type2 op in a method (parent will be method) |
| */ |
| AcpiDsDeleteResultIfNotUsed (Op, WalkState->ResultObj, WalkState); |
| } |
| |
| #ifdef _UNDER_DEVELOPMENT |
| |
| if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd) |
| { |
| AcpiDbMethodEnd (WalkState); |
| } |
| #endif |
| |
| /* Invoke exception handler on error */ |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| Status = AcpiDsMethodError (Status, WalkState); |
| } |
| |
| /* Always clear the object stack */ |
| |
| WalkState->NumOperands = 0; |
| return_ACPI_STATUS (Status); |
| } |
| |
| |