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Diffstat (limited to 'sys/contrib/dev/acpica/components/debugger/dbmethod.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/debugger/dbmethod.c | 806 |
1 files changed, 806 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/debugger/dbmethod.c b/sys/contrib/dev/acpica/components/debugger/dbmethod.c new file mode 100644 index 000000000000..27e572d5ad17 --- /dev/null +++ b/sys/contrib/dev/acpica/components/debugger/dbmethod.c @@ -0,0 +1,806 @@ +/******************************************************************************* + * + * Module Name: dbmethod - Debug commands for control methods + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2025, 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. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acdispat.h> +#include <contrib/dev/acpica/include/acnamesp.h> +#include <contrib/dev/acpica/include/acdebug.h> +#include <contrib/dev/acpica/include/acparser.h> +#include <contrib/dev/acpica/include/acpredef.h> + + +#define _COMPONENT ACPI_CA_DEBUGGER + ACPI_MODULE_NAME ("dbmethod") + +/* Local prototypes */ + +static ACPI_STATUS +AcpiDbWalkForExecute ( + ACPI_HANDLE ObjHandle, + UINT32 NestingLevel, + void *Context, + void **ReturnValue); + +static ACPI_STATUS +AcpiDbEvaluateObject ( + ACPI_NAMESPACE_NODE *Node); + + +/******************************************************************************* + * + * FUNCTION: AcpiDbSetMethodBreakpoint + * + * PARAMETERS: Location - AML offset of breakpoint + * WalkState - Current walk info + * Op - Current Op (from parse walk) + * + * RETURN: None + * + * DESCRIPTION: Set a breakpoint in a control method at the specified + * AML offset + * + ******************************************************************************/ + +void +AcpiDbSetMethodBreakpoint ( + char *Location, + ACPI_WALK_STATE *WalkState, + ACPI_PARSE_OBJECT *Op) +{ + UINT32 Address; + UINT32 AmlOffset; + + + if (!Op) + { + AcpiOsPrintf ("There is no method currently executing\n"); + return; + } + + /* Get and verify the breakpoint address */ + + Address = strtoul (Location, NULL, 16); + AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml, + WalkState->ParserState.AmlStart); + if (Address <= AmlOffset) + { + AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n", + Address, AmlOffset); + } + + /* Save breakpoint in current walk */ + + WalkState->UserBreakpoint = Address; + AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbSetMethodCallBreakpoint + * + * PARAMETERS: Op - Current Op (from parse walk) + * + * RETURN: None + * + * DESCRIPTION: Set a breakpoint in a control method at the specified + * AML offset + * + ******************************************************************************/ + +void +AcpiDbSetMethodCallBreakpoint ( + ACPI_PARSE_OBJECT *Op) +{ + + + if (!Op) + { + AcpiOsPrintf ("There is no method currently executing\n"); + return; + } + + AcpiGbl_StepToNextCall = TRUE; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbSetMethodData + * + * PARAMETERS: TypeArg - L for local, A for argument + * IndexArg - which one + * ValueArg - Value to set. + * + * RETURN: None + * + * DESCRIPTION: Set a local or argument for the running control method. + * NOTE: only object supported is Number. + * + ******************************************************************************/ + +void +AcpiDbSetMethodData ( + char *TypeArg, + char *IndexArg, + char *ValueArg) +{ + char Type; + UINT32 Index; + UINT32 Value; + ACPI_WALK_STATE *WalkState; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + ACPI_NAMESPACE_NODE *Node; + + + /* Validate TypeArg */ + + AcpiUtStrupr (TypeArg); + Type = TypeArg[0]; + if ((Type != 'L') && + (Type != 'A') && + (Type != 'N')) + { + AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg); + return; + } + + Value = strtoul (ValueArg, NULL, 16); + + if (Type == 'N') + { + Node = AcpiDbConvertToNode (IndexArg); + if (!Node) + { + return; + } + + if (Node->Type != ACPI_TYPE_INTEGER) + { + AcpiOsPrintf ("Can only set Integer nodes\n"); + return; + } + ObjDesc = Node->Object; + ObjDesc->Integer.Value = Value; + return; + } + + /* Get the index and value */ + + Index = strtoul (IndexArg, NULL, 16); + + WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList); + if (!WalkState) + { + AcpiOsPrintf ("There is no method currently executing\n"); + return; + } + + /* Create and initialize the new object */ + + ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value); + if (!ObjDesc) + { + AcpiOsPrintf ("Could not create an internal object\n"); + return; + } + + /* Store the new object into the target */ + + switch (Type) + { + case 'A': + + /* Set a method argument */ + + if (Index > ACPI_METHOD_MAX_ARG) + { + AcpiOsPrintf ("Arg%u - Invalid argument name\n", + Index); + goto Cleanup; + } + + Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, + Index, ObjDesc, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + ObjDesc = WalkState->Arguments[Index].Object; + + AcpiOsPrintf ("Arg%u: ", Index); + AcpiDbDisplayInternalObject (ObjDesc, WalkState); + break; + + case 'L': + + /* Set a method local */ + + if (Index > ACPI_METHOD_MAX_LOCAL) + { + AcpiOsPrintf ("Local%u - Invalid local variable name\n", + Index); + goto Cleanup; + } + + Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, + Index, ObjDesc, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + ObjDesc = WalkState->LocalVariables[Index].Object; + + AcpiOsPrintf ("Local%u: ", Index); + AcpiDbDisplayInternalObject (ObjDesc, WalkState); + break; + + default: + + break; + } + +Cleanup: + AcpiUtRemoveReference (ObjDesc); +} + + +#ifdef ACPI_DISASSEMBLER +/******************************************************************************* + * + * FUNCTION: AcpiDbDisassembleAml + * + * PARAMETERS: Statements - Number of statements to disassemble + * Op - Current Op (from parse walk) + * + * RETURN: None + * + * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number + * of statements specified. + * + ******************************************************************************/ + +void +AcpiDbDisassembleAml ( + char *Statements, + ACPI_PARSE_OBJECT *Op) +{ + UINT32 NumStatements = 8; + + + if (!Op) + { + AcpiOsPrintf ("There is no method currently executing\n"); + return; + } + + if (Statements) + { + NumStatements = strtoul (Statements, NULL, 0); + } + + AcpiDmDisassemble (NULL, Op, NumStatements); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbDisassembleMethod + * + * PARAMETERS: Name - Name of control method + * + * RETURN: None + * + * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number + * of statements specified. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDbDisassembleMethod ( + char *Name) +{ + ACPI_STATUS Status; + ACPI_PARSE_OBJECT *Op; + ACPI_WALK_STATE *WalkState; + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_NAMESPACE_NODE *Method; + + + Method = AcpiDbConvertToNode (Name); + if (!Method) + { + return (AE_BAD_PARAMETER); + } + + if (Method->Type != ACPI_TYPE_METHOD) + { + ACPI_ERROR ((AE_INFO, "%s (%s): Object must be a control method", + Name, AcpiUtGetTypeName (Method->Type))); + return (AE_BAD_PARAMETER); + } + + ObjDesc = Method->Object; + + Op = AcpiPsCreateScopeOp (ObjDesc->Method.AmlStart); + if (!Op) + { + return (AE_NO_MEMORY); + } + + /* Create and initialize a new walk state */ + + WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL); + if (!WalkState) + { + return (AE_NO_MEMORY); + } + + Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, + ObjDesc->Method.AmlStart, + ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + Status = AcpiUtAllocateOwnerId (&ObjDesc->Method.OwnerId); + if (ACPI_FAILURE(Status)) + { + return (Status); + } + + WalkState->OwnerId = ObjDesc->Method.OwnerId; + + /* Push start scope on scope stack and make it current */ + + Status = AcpiDsScopeStackPush (Method, + Method->Type, WalkState); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + /* Parse the entire method AML including deferred operators */ + + WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE; + WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE; + + Status = AcpiPsParseAml (WalkState); + if (ACPI_FAILURE(Status)) + { + return (Status); + } + + (void) AcpiDmParseDeferredOps (Op); + + /* Now we can disassemble the method */ + + AcpiGbl_DmOpt_Verbose = FALSE; + AcpiDmDisassemble (NULL, Op, 0); + AcpiGbl_DmOpt_Verbose = TRUE; + + AcpiPsDeleteParseTree (Op); + + /* Method cleanup */ + + AcpiNsDeleteNamespaceSubtree (Method); + AcpiNsDeleteNamespaceByOwner (ObjDesc->Method.OwnerId); + AcpiUtReleaseOwnerId (&ObjDesc->Method.OwnerId); + return (AE_OK); +} +#endif + + +/******************************************************************************* + * + * FUNCTION: AcpiDbEvaluateObject + * + * PARAMETERS: Node - Namespace node for the object + * + * RETURN: Status + * + * DESCRIPTION: Main execution function for the Evaluate/Execute/All debugger + * commands. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDbEvaluateObject ( + ACPI_NAMESPACE_NODE *Node) +{ + char *Pathname; + UINT32 i; + ACPI_DEVICE_INFO *ObjInfo; + ACPI_OBJECT_LIST ParamObjects; + ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS]; + ACPI_BUFFER ReturnObj; + ACPI_STATUS Status; + + + Pathname = AcpiNsGetExternalPathname (Node); + if (!Pathname) + { + return (AE_OK); + } + + /* Get the object info for number of method parameters */ + + Status = AcpiGetObjectInfo (Node, &ObjInfo); + if (ACPI_FAILURE (Status)) + { + ACPI_FREE (Pathname); + return (Status); + } + + ParamObjects.Pointer = NULL; + ParamObjects.Count = 0; + + if (ObjInfo->Type == ACPI_TYPE_METHOD) + { + /* Setup default parameters */ + + for (i = 0; i < ObjInfo->ParamCount; i++) + { + Params[i].Type = ACPI_TYPE_INTEGER; + Params[i].Integer.Value = 1; + } + + ParamObjects.Pointer = Params; + ParamObjects.Count = ObjInfo->ParamCount; + } + + ACPI_FREE (ObjInfo); + ReturnObj.Pointer = NULL; + ReturnObj.Length = ACPI_ALLOCATE_BUFFER; + + /* Do the actual method execution */ + + AcpiGbl_MethodExecuting = TRUE; + + Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj); + AcpiGbl_MethodExecuting = FALSE; + + AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status)); + if (ReturnObj.Length) + { + AcpiOsPrintf ("Evaluation of %s returned object %p, " + "external buffer length %X\n", + Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length); + + AcpiDbDumpExternalObject (ReturnObj.Pointer, 1); + AcpiOsPrintf ("\n"); + } + + ACPI_FREE (Pathname); + + /* Ignore status from method execution */ + + return (AE_OK); + + /* Update count, check if we have executed enough methods */ + +} + +/******************************************************************************* + * + * FUNCTION: AcpiDbWalkForExecute + * + * PARAMETERS: Callback from WalkNamespace + * + * RETURN: Status + * + * DESCRIPTION: Batch execution function. Evaluates all "predefined" objects -- + * the nameseg begins with an underscore. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDbWalkForExecute ( + ACPI_HANDLE ObjHandle, + UINT32 NestingLevel, + void *Context, + void **ReturnValue) +{ + ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; + ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context; + ACPI_STATUS Status; + const ACPI_PREDEFINED_INFO *Predefined; + + + Predefined = AcpiUtMatchPredefinedMethod (Node->Name.Ascii); + if (!Predefined) + { + return (AE_OK); + } + + if (Node->Type == ACPI_TYPE_LOCAL_SCOPE) + { + return (AE_OK); + } + + AcpiDbEvaluateObject (Node); + + /* Ignore status from object evaluation */ + + Status = AE_OK; + + /* Update count, check if we have executed enough methods */ + + Info->Count++; + if (Info->Count >= Info->MaxCount) + { + Status = AE_CTRL_TERMINATE; + } + + return (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbWalkForExecuteAll + * + * PARAMETERS: Callback from WalkNamespace + * + * RETURN: Status + * + * DESCRIPTION: Batch execution function. Evaluates all objects whose path ends + * with the nameseg "Info->NameSeg". Used for the "ALL" command. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDbWalkForExecuteAll ( + ACPI_HANDLE ObjHandle, + UINT32 NestingLevel, + void *Context, + void **ReturnValue) +{ + ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; + ACPI_DB_EXECUTE_WALK *Info = (ACPI_DB_EXECUTE_WALK *) Context; + ACPI_STATUS Status; + + + if (!ACPI_COMPARE_NAMESEG (Node->Name.Ascii, Info->NameSeg)) + { + return (AE_OK); + } + + if (Node->Type == ACPI_TYPE_LOCAL_SCOPE) + { + return (AE_OK); + } + + /* Now evaluate the input object (node) */ + + AcpiDbEvaluateObject (Node); + + /* Ignore status from method execution */ + + Status = AE_OK; + + /* Update count of executed methods/objects */ + + Info->Count++; + return (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbEvaluatePredefinedNames + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Namespace batch execution. Execute predefined names in the + * namespace, up to the max count, if specified. + * + ******************************************************************************/ + +void +AcpiDbEvaluatePredefinedNames ( + void) +{ + ACPI_DB_EXECUTE_WALK Info; + + + Info.Count = 0; + Info.MaxCount = ACPI_UINT32_MAX; + + /* Search all nodes in namespace */ + + (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, + AcpiDbWalkForExecute, NULL, (void *) &Info, NULL); + + AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbEvaluateAll + * + * PARAMETERS: NoneAcpiGbl_DbMethodInfo + * + * RETURN: None + * + * DESCRIPTION: Namespace batch execution. Implements the "ALL" command. + * Execute all namepaths whose final nameseg matches the + * input nameseg. + * + ******************************************************************************/ + +void +AcpiDbEvaluateAll ( + char *NameSeg) +{ + ACPI_DB_EXECUTE_WALK Info; + + + Info.Count = 0; + Info.MaxCount = ACPI_UINT32_MAX; + ACPI_COPY_NAMESEG (Info.NameSeg, NameSeg); + Info.NameSeg[ACPI_NAMESEG_SIZE] = 0; + + /* Search all nodes in namespace */ + + (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, + AcpiDbWalkForExecuteAll, NULL, (void *) &Info, NULL); + + AcpiOsPrintf ("Evaluated %u names in the namespace\n", Info.Count); +} |