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/*******************************************************************************

 *

 * Module Name: dbexec - debugger control method execution

 *

 ******************************************************************************/

/******************************************************************************

 *

 * 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.

 *

 *****************************************************************************/

#include "acpi.h"

#include "accommon.h"

#include "acdebug.h"

#include "acnamesp.h"

#ifdef ACPI_DEBUGGER

#define _COMPONENT          ACPI_CA_DEBUGGER

        ACPI_MODULE_NAME    ("dbexec")

static ACPI_DB_METHOD_INFO          AcpiGbl_DbMethodInfo;

#define DB_DEFAULT_PKG_ELEMENTS     33

/* Local prototypes */

static ACPI_STATUS

AcpiDbExecuteMethod (

    ACPI_DB_METHOD_INFO     *Info,

    ACPI_BUFFER             *ReturnObj);

static void

AcpiDbExecuteSetup (

    ACPI_DB_METHOD_INFO     *Info);

static UINT32

AcpiDbGetOutstandingAllocations (

    void);

static void ACPI_SYSTEM_XFACE

AcpiDbMethodThread (

    void                    *Context);

static ACPI_STATUS

AcpiDbExecutionWalk (

    ACPI_HANDLE             ObjHandle,

    UINT32                  NestingLevel,

    void                    *Context,

    void                    **ReturnValue);

static ACPI_STATUS

AcpiDbHexCharToValue (

    int                     HexChar,

    UINT8                   *ReturnValue);

static ACPI_STATUS

AcpiDbConvertToPackage (

    char                    *String,

    ACPI_OBJECT             *Object);

static ACPI_STATUS

AcpiDbConvertToObject (

    ACPI_OBJECT_TYPE        Type,

    char                    *String,

    ACPI_OBJECT             *Object);

static void

AcpiDbDeleteObjects (

    UINT32                  Count,

    ACPI_OBJECT             *Objects);

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbHexCharToValue

 *

 * PARAMETERS:  HexChar             - Ascii Hex digit, 0-9|a-f|A-F

 *              ReturnValue         - Where the converted value is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16).

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbHexCharToValue (

    int                     HexChar,

    UINT8                   *ReturnValue)

{

    UINT8                   Value;

    /* Digit must be ascii [0-9a-fA-F] */

    if (!ACPI_IS_XDIGIT (HexChar))

    {

        return (AE_BAD_HEX_CONSTANT);

    }

    if (HexChar <= 0x39)

    {

        Value = (UINT8) (HexChar - 0x30);

    }

    else

    {

        Value = (UINT8) (ACPI_TOUPPER (HexChar) - 0x37);

    }

    *ReturnValue = Value;

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbHexByteToBinary

 *

 * PARAMETERS:  HexByte             - Double hex digit (0x00 - 0xFF) in format:

 *                                    HiByte then LoByte.

 *              ReturnValue         - Where the converted value is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255).

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbHexByteToBinary (

    char                    *HexByte,

    UINT8                   *ReturnValue)

{

    UINT8                   Local0;

    UINT8                   Local1;

    ACPI_STATUS             Status;

    /* High byte */

    Status = AcpiDbHexCharToValue (HexByte[0], &Local0);

    if (ACPI_FAILURE (Status))

    {

        return (Status);

    }

    /* Low byte */

    Status = AcpiDbHexCharToValue (HexByte[1], &Local1);

    if (ACPI_FAILURE (Status))

    {

        return (Status);

    }

    *ReturnValue = (UINT8) ((Local0 << 4) | Local1);

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbConvertToBuffer

 *

 * PARAMETERS:  String              - Input string to be converted

 *              Object              - Where the buffer object is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert a string to a buffer object. String is treated a list

 *              of buffer elements, each separated by a space or comma.

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbConvertToBuffer (

    char                    *String,

    ACPI_OBJECT             *Object)

{

    UINT32                  i;

    UINT32                  j;

    UINT32                  Length;

    UINT8                   *Buffer;

    ACPI_STATUS             Status;

    /* Generate the final buffer length */

    for (i = 0, Length = 0; String[i];)

    {

        i+=2;

        Length++;

        while (String[i] &&

              ((String[i] == ',') || (String[i] == ' ')))

        {

            i++;

        }

    }

    Buffer = ACPI_ALLOCATE (Length);

    if (!Buffer)

    {

        return (AE_NO_MEMORY);

    }

    /* Convert the command line bytes to the buffer */

    for (i = 0, j = 0; String[i];)

    {

        Status = AcpiDbHexByteToBinary (&String[i], &Buffer[j]);

        if (ACPI_FAILURE (Status))

        {

            ACPI_FREE (Buffer);

            return (Status);

        }

        j++;

        i+=2;

        while (String[i] &&

              ((String[i] == ',') || (String[i] == ' ')))

        {

            i++;

        }

    }

    Object->Type = ACPI_TYPE_BUFFER;

    Object->Buffer.Pointer = Buffer;

    Object->Buffer.Length = Length;

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbConvertToPackage

 *

 * PARAMETERS:  String              - Input string to be converted

 *              Object              - Where the package object is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert a string to a package object. Handles nested packages

 *              via recursion with AcpiDbConvertToObject.

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbConvertToPackage (

    char                    *String,

    ACPI_OBJECT             *Object)

{

    char                    *This;

    char                    *Next;

    UINT32                  i;

    ACPI_OBJECT_TYPE        Type;

    ACPI_OBJECT             *Elements;

    ACPI_STATUS             Status;

    Elements = ACPI_ALLOCATE_ZEROED (

        DB_DEFAULT_PKG_ELEMENTS * sizeof (ACPI_OBJECT));

    This = String;

    for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++)

    {

        This = AcpiDbGetNextToken (This, &Next, &Type);

        if (!This)

        {

            break;

        }

        /* Recursive call to convert each package element */

        Status = AcpiDbConvertToObject (Type, This, &Elements[i]);

        if (ACPI_FAILURE (Status))

        {

            AcpiDbDeleteObjects (i + 1, Elements);

            ACPI_FREE (Elements);

            return (Status);

        }

        This = Next;

    }

    Object->Type = ACPI_TYPE_PACKAGE;

    Object->Package.Count = i;

    Object->Package.Elements = Elements;

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbConvertToObject

 *

 * PARAMETERS:  Type                - Object type as determined by parser

 *              String              - Input string to be converted

 *              Object              - Where the new object is returned

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Convert a typed and tokenized string to an ACPI_OBJECT. Typing:

 *              1) String objects were surrounded by quotes.

 *              2) Buffer objects were surrounded by parentheses.

 *              3) Package objects were surrounded by brackets "[]".

 *              4) All standalone tokens are treated as integers.

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbConvertToObject (

    ACPI_OBJECT_TYPE        Type,

    char                    *String,

    ACPI_OBJECT             *Object)

{

    ACPI_STATUS             Status = AE_OK;

    switch (Type)

    {

    case ACPI_TYPE_STRING:

        Object->Type = ACPI_TYPE_STRING;

        Object->String.Pointer = String;

        Object->String.Length = (UINT32) ACPI_STRLEN (String);

        break;

    case ACPI_TYPE_BUFFER:

        Status = AcpiDbConvertToBuffer (String, Object);

        break;

    case ACPI_TYPE_PACKAGE:

        Status = AcpiDbConvertToPackage (String, Object);

        break;

    default:

        Object->Type = ACPI_TYPE_INTEGER;

        Status = AcpiUtStrtoul64 (String, 16, &Object->Integer.Value);

        break;

    }

    return (Status);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbDeleteObjects

 *

 * PARAMETERS:  Count               - Count of objects in the list

 *              Objects             - Array of ACPI_OBJECTs to be deleted

 *

 * RETURN:      None

 *

 * DESCRIPTION: Delete a list of ACPI_OBJECTS. Handles packages and nested

 *              packages via recursion.

 *

 ******************************************************************************/

static void

AcpiDbDeleteObjects (

    UINT32                  Count,

    ACPI_OBJECT             *Objects)

{

    UINT32                  i;

    for (i = 0; i < Count; i++)

    {

        switch (Objects[i].Type)

        {

        case ACPI_TYPE_BUFFER:

            ACPI_FREE (Objects[i].Buffer.Pointer);

            break;

        case ACPI_TYPE_PACKAGE:

            /* Recursive call to delete package elements */

            AcpiDbDeleteObjects (Objects[i].Package.Count,

                Objects[i].Package.Elements);

            /* Free the elements array */

            ACPI_FREE (Objects[i].Package.Elements);

            break;

        default:

            break;

        }

    }

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbExecuteMethod

 *

 * PARAMETERS:  Info            - Valid info segment

 *              ReturnObj       - Where to put return object

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Execute a control method.

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbExecuteMethod (

    ACPI_DB_METHOD_INFO     *Info,

    ACPI_BUFFER             *ReturnObj)

{

    ACPI_STATUS             Status;

    ACPI_OBJECT_LIST        ParamObjects;

    ACPI_OBJECT             Params[ACPI_METHOD_NUM_ARGS];

    ACPI_HANDLE             Handle;

    ACPI_DEVICE_INFO        *ObjInfo;

    UINT32                  i;

    ACPI_FUNCTION_TRACE (DbExecuteMethod);

    if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)

    {

        AcpiOsPrintf ("Warning: debug output is not enabled!\n");

    }

    /* Get the NS node, determines existence also */

    Status = AcpiGetHandle (NULL, Info->Pathname, &Handle);

    if (ACPI_FAILURE (Status))

    {

        return_ACPI_STATUS (Status);

    }

    /* Get the object info for number of method parameters */

    Status = AcpiGetObjectInfo (Handle, &ObjInfo);

    if (ACPI_FAILURE (Status))

    {

        return_ACPI_STATUS (Status);

    }

    ParamObjects.Pointer = NULL;

    ParamObjects.Count   = 0;

    if (ObjInfo->Type == ACPI_TYPE_METHOD)

    {

        /* Are there arguments to the method? */

        i = 0;

        if (Info->Args && Info->Args[0])

        {

            /* Get arguments passed on the command line */

            for (; Info->Args[i] &&

                (i < ACPI_METHOD_NUM_ARGS) &&

                (i < ObjInfo->ParamCount);

                i++)

            {

                /* Convert input string (token) to an actual ACPI_OBJECT */

                Status = AcpiDbConvertToObject (Info->Types[i],

                    Info->Args[i], &Params[i]);

                if (ACPI_FAILURE (Status))

                {

                    ACPI_EXCEPTION ((AE_INFO, Status,

                        "While parsing method arguments"));

                    goto Cleanup;

                }

            }

        }

        /* Create additional "default" parameters as needed */

        if (i < ObjInfo->ParamCount)

        {

            AcpiOsPrintf ("Adding %u arguments containing default values\n",

                ObjInfo->ParamCount - i);

            for (; i < ObjInfo->ParamCount; i++)

            {

                switch (i)

                {

                case 0:

                    Params[0].Type           = ACPI_TYPE_INTEGER;

                    Params[0].Integer.Value  = 0x01020304;

                    break;

                case 1:

                    Params[1].Type           = ACPI_TYPE_STRING;

                    Params[1].String.Length  = 12;

                    Params[1].String.Pointer = "AML Debugger";

                    break;

                default:

                    Params[i].Type           = ACPI_TYPE_INTEGER;

                    Params[i].Integer.Value  = i * (UINT64) 0x1000;

                    break;

                }

            }

        }

        ParamObjects.Count = ObjInfo->ParamCount;

        ParamObjects.Pointer = Params;

    }

    /* Prepare for a return object of arbitrary size */

    ReturnObj->Pointer = AcpiGbl_DbBuffer;

    ReturnObj->Length  = ACPI_DEBUG_BUFFER_SIZE;

    /* Do the actual method execution */

    AcpiGbl_MethodExecuting = TRUE;

    Status = AcpiEvaluateObject (NULL,

        Info->Pathname, &ParamObjects, ReturnObj);

    AcpiGbl_CmSingleStep = FALSE;

    AcpiGbl_MethodExecuting = FALSE;

    if (ACPI_FAILURE (Status))

    {

        ACPI_EXCEPTION ((AE_INFO, Status,

            "while executing %s from debugger", Info->Pathname));

        if (Status == AE_BUFFER_OVERFLOW)

        {

            ACPI_ERROR ((AE_INFO,

                "Possible overflow of internal debugger buffer (size 0x%X needed 0x%X)",

                ACPI_DEBUG_BUFFER_SIZE, (UINT32) ReturnObj->Length));

        }

    }

Cleanup:

    AcpiDbDeleteObjects (ObjInfo->ParamCount, Params);

    ACPI_FREE (ObjInfo);

    return_ACPI_STATUS (Status);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbExecuteSetup

 *

 * PARAMETERS:  Info            - Valid method info

 *

 * RETURN:      None

 *

 * DESCRIPTION: Setup info segment prior to method execution

 *

 ******************************************************************************/

static void

AcpiDbExecuteSetup (

    ACPI_DB_METHOD_INFO     *Info)

{

    /* Catenate the current scope to the supplied name */

    Info->Pathname[0] = 0;

    if ((Info->Name[0] != '\\') &&

        (Info->Name[0] != '/'))

    {

        ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf);

    }

    ACPI_STRCAT (Info->Pathname, Info->Name);

    AcpiDbPrepNamestring (Info->Pathname);

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);

    AcpiOsPrintf ("Executing %s\n", Info->Pathname);

    if (Info->Flags & EX_SINGLE_STEP)

    {

        AcpiGbl_CmSingleStep = TRUE;

        AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);

    }

    else

    {

        /* No single step, allow redirection to a file */

        AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);

    }

}

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

UINT32

AcpiDbGetCacheInfo (

    ACPI_MEMORY_LIST        *Cache)

{

    return (Cache->TotalAllocated - Cache->TotalFreed - Cache->CurrentDepth);

}

#endif

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbGetOutstandingAllocations

 *

 * PARAMETERS:  None

 *

 * RETURN:      Current global allocation count minus cache entries

 *

 * DESCRIPTION: Determine the current number of "outstanding" allocations --

 *              those allocations that have not been freed and also are not

 *              in one of the various object caches.

 *

 ******************************************************************************/

static UINT32

AcpiDbGetOutstandingAllocations (

    void)

{

    UINT32                  Outstanding = 0;

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

    Outstanding += AcpiDbGetCacheInfo (AcpiGbl_StateCache);

    Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeCache);

    Outstanding += AcpiDbGetCacheInfo (AcpiGbl_PsNodeExtCache);

    Outstanding += AcpiDbGetCacheInfo (AcpiGbl_OperandCache);

#endif

    return (Outstanding);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbExecutionWalk

 *

 * PARAMETERS:  WALK_CALLBACK

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Execute a control method.  Name is relative to the current

 *              scope.

 *

 ******************************************************************************/

static ACPI_STATUS

AcpiDbExecutionWalk (

    ACPI_HANDLE             ObjHandle,

    UINT32                  NestingLevel,

    void                    *Context,

    void                    **ReturnValue)

{

    ACPI_OPERAND_OBJECT     *ObjDesc;

    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;

    ACPI_BUFFER             ReturnObj;

    ACPI_STATUS             Status;

    ObjDesc = AcpiNsGetAttachedObject (Node);

    if (ObjDesc->Method.ParamCount)

    {

        return (AE_OK);

    }

    ReturnObj.Pointer = NULL;

    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

    AcpiNsPrintNodePathname (Node, "Execute");

    /* Do the actual method execution */

    AcpiOsPrintf ("\n");

    AcpiGbl_MethodExecuting = TRUE;

    Status = AcpiEvaluateObject (Node, NULL, NULL, &ReturnObj);

    AcpiOsPrintf ("[%4.4s] returned %s\n", AcpiUtGetNodeName (Node),

            AcpiFormatException (Status));

    AcpiGbl_MethodExecuting = FALSE;

    return (AE_OK);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbExecute

 *

 * PARAMETERS:  Name                - Name of method to execute

 *              Args                - Parameters to the method

 *              Flags               - single step/no single step

 *

 * RETURN:      None

 *

 * DESCRIPTION: Execute a control method.  Name is relative to the current

 *              scope.

 *

 ******************************************************************************/

void

AcpiDbExecute (

    char                    *Name,

    char                    **Args,

    ACPI_OBJECT_TYPE        *Types,

    UINT32                  Flags)

{

    ACPI_STATUS             Status;

    ACPI_BUFFER             ReturnObj;

    char                    *NameString;

#ifdef ACPI_DEBUG_OUTPUT

    UINT32                  PreviousAllocations;

    UINT32                  Allocations;

    /* Memory allocation tracking */

    PreviousAllocations = AcpiDbGetOutstandingAllocations ();

#endif

    if (*Name == '*')

    {

        (void) AcpiWalkNamespace (ACPI_TYPE_METHOD, ACPI_ROOT_OBJECT,

                    ACPI_UINT32_MAX, AcpiDbExecutionWalk, NULL, NULL, NULL);

        return;

    }

    else

    {

        NameString = ACPI_ALLOCATE (ACPI_STRLEN (Name) + 1);

        if (!NameString)

        {

            return;

        }

        ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

        ACPI_STRCPY (NameString, Name);

        AcpiUtStrupr (NameString);

        AcpiGbl_DbMethodInfo.Name = NameString;

        AcpiGbl_DbMethodInfo.Args = Args;

        AcpiGbl_DbMethodInfo.Types = Types;

        AcpiGbl_DbMethodInfo.Flags = Flags;

        ReturnObj.Pointer = NULL;

        ReturnObj.Length = ACPI_ALLOCATE_BUFFER;

        AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);

        Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);

        ACPI_FREE (NameString);

    }

    /*

     * Allow any handlers in separate threads to complete.

     * (Such as Notify handlers invoked from AML executed above).

     */

    AcpiOsSleep ((UINT64) 10);

#ifdef ACPI_DEBUG_OUTPUT

    /* Memory allocation tracking */

    Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;

    AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);

    if (Allocations > 0)

    {

        AcpiOsPrintf ("Outstanding: 0x%X allocations after execution\n",

                        Allocations);

    }

#endif

    if (ACPI_FAILURE (Status))

    {

        AcpiOsPrintf ("Execution of %s failed with status %s\n",

            AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));

    }

    else

    {

        /* Display a return object, if any */

        if (ReturnObj.Length)

        {

            AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",

                AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,

                (UINT32) ReturnObj.Length);

            AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);

        }

        else

        {

            AcpiOsPrintf ("No return object from execution of %s\n",

                AcpiGbl_DbMethodInfo.Pathname);

        }

    }

    AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbMethodThread

 *

 * PARAMETERS:  Context             - Execution info segment

 *

 * RETURN:      None

 *

 * DESCRIPTION: Debugger execute thread.  Waits for a command line, then

 *              simply dispatches it.

 *

 ******************************************************************************/

static void ACPI_SYSTEM_XFACE

AcpiDbMethodThread (

    void                    *Context)

{

    ACPI_STATUS             Status;

    ACPI_DB_METHOD_INFO     *Info = Context;

    ACPI_DB_METHOD_INFO     LocalInfo;

    UINT32                  i;

    UINT8                   Allow;

    ACPI_BUFFER             ReturnObj;

    /*

     * AcpiGbl_DbMethodInfo.Arguments will be passed as method arguments.

     * Prevent AcpiGbl_DbMethodInfo from being modified by multiple threads

     * concurrently.

     *

     * Note: The arguments we are passing are used by the ASL test suite

     * (aslts). Do not change them without updating the tests.

     */

    (void) AcpiOsWaitSemaphore (Info->InfoGate, 1, ACPI_WAIT_FOREVER);

    if (Info->InitArgs)

    {

        AcpiDbUInt32ToHexString (Info->NumCreated, Info->IndexOfThreadStr);

        AcpiDbUInt32ToHexString ((UINT32) AcpiOsGetThreadId (), Info->IdOfThreadStr);

    }

    if (Info->Threads && (Info->NumCreated < Info->NumThreads))

    {

        Info->Threads[Info->NumCreated++] = AcpiOsGetThreadId();

    }

    LocalInfo = *Info;

    LocalInfo.Args = LocalInfo.Arguments;

    LocalInfo.Arguments[0] = LocalInfo.NumThreadsStr;

    LocalInfo.Arguments[1] = LocalInfo.IdOfThreadStr;

    LocalInfo.Arguments[2] = LocalInfo.IndexOfThreadStr;

    LocalInfo.Arguments[3] = NULL;

    LocalInfo.Types = LocalInfo.ArgTypes;

    (void) AcpiOsSignalSemaphore (Info->InfoGate, 1);

    for (i = 0; i < Info->NumLoops; i++)

    {

        Status = AcpiDbExecuteMethod (&LocalInfo, &ReturnObj);

        if (ACPI_FAILURE (Status))

        {

            AcpiOsPrintf ("%s During execution of %s at iteration %X\n",

                AcpiFormatException (Status), Info->Pathname, i);

            if (Status == AE_ABORT_METHOD)

            {

                break;

            }

        }

#if 0

        if ((i % 100) == 0)

        {

            AcpiOsPrintf ("%u executions, Thread 0x%x\n", i, AcpiOsGetThreadId ());

        }

        if (ReturnObj.Length)

        {

            AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",

                Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);

            AcpiDbDumpExternalObject (ReturnObj.Pointer, 1);

        }

#endif

    }

    /* Signal our completion */

    Allow = 0;

    (void) AcpiOsWaitSemaphore (Info->ThreadCompleteGate, 1, ACPI_WAIT_FOREVER);

    Info->NumCompleted++;

    if (Info->NumCompleted == Info->NumThreads)

    {

        /* Do signal for main thread once only */

        Allow = 1;

    }

    (void) AcpiOsSignalSemaphore (Info->ThreadCompleteGate, 1);

    if (Allow)

    {

        Status = AcpiOsSignalSemaphore (Info->MainThreadGate, 1);

        if (ACPI_FAILURE (Status))

        {

            AcpiOsPrintf ("Could not signal debugger thread sync semaphore, %s\n",

                AcpiFormatException (Status));

        }

    }

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiDbCreateExecutionThreads

 *

 * PARAMETERS:  NumThreadsArg           - Number of threads to create

 *              NumLoopsArg             - Loop count for the thread(s)

 *              MethodNameArg           - Control method to execute

 *

 * RETURN:      None

 *

 * DESCRIPTION: Create threads to execute method(s)

 *

 ******************************************************************************/

void

AcpiDbCreateExecutionThreads (

    char                    *NumThreadsArg,

    char                    *NumLoopsArg,

    char                    *MethodNameArg)

{

    ACPI_STATUS             Status;

    UINT32                  NumThreads;

    UINT32                  NumLoops;

    UINT32                  i;

    UINT32                  Size;

    ACPI_MUTEX              MainThreadGate;

    ACPI_MUTEX              ThreadCompleteGate;

    ACPI_MUTEX              InfoGate;

    /* Get the arguments */

    NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);

    NumLoops   = ACPI_STRTOUL (NumLoopsArg, NULL, 0);

    if (!NumThreads || !NumLoops)

    {

        AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",

            NumThreads, NumLoops);

        return;

    }

    /*

     * Create the semaphore for synchronization of

     * the created threads with the main thread.

     */

    Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);

    if (ACPI_FAILURE (Status))

    {

        AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",

            AcpiFormatException (Status));

        return;

    }

    /*

     * Create the semaphore for synchronization

     * between the created threads.

     */

    Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);

    if (ACPI_FAILURE (Status))

    {

        AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",

            AcpiFormatException (Status));

        (void) AcpiOsDeleteSemaphore (MainThreadGate);

        return;

    }

    Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);

    if (ACPI_FAILURE (Status))

    {

        AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",

            AcpiFormatException (Status));

        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);

        (void) AcpiOsDeleteSemaphore (MainThreadGate);

        return;

    }

    ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));

    /* Array to store IDs of threads */

    AcpiGbl_DbMethodInfo.NumThreads = NumThreads;

    Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;

    AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);

    if (AcpiGbl_DbMethodInfo.Threads == NULL)

    {

        AcpiOsPrintf ("No memory for thread IDs array\n");

        (void) AcpiOsDeleteSemaphore (MainThreadGate);

        (void) AcpiOsDeleteSemaphore (ThreadCompleteGate);

        (void) AcpiOsDeleteSemaphore (InfoGate);

        return;

    }

    ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);

    /* Setup the context to be passed to each thread */

    AcpiGbl_DbMethodInfo.Name = MethodNameArg;

    AcpiGbl_DbMethodInfo.Flags = 0;

    AcpiGbl_DbMethodInfo.NumLoops = NumLoops;

    AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;

    AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;

    AcpiGbl_DbMethodInfo.InfoGate = InfoGate;