520 lines
17 KiB
C
520 lines
17 KiB
C
/*******************************************************************************
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*
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* Module Name: dbexec - debugger control method execution
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* $Revision: 46 $
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*
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******************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "acpi.h"
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#include "acdebug.h"
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#ifdef ACPI_DEBUGGER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbexec")
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static ACPI_DB_METHOD_INFO AcpiGbl_DbMethodInfo;
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbExecuteMethod
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*
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* PARAMETERS: Info - Valid info segment
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* ReturnObj - Where to put return object
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*
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* RETURN: Status
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*
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* DESCRIPTION: Execute a control method.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDbExecuteMethod (
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ACPI_DB_METHOD_INFO *Info,
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ACPI_BUFFER *ReturnObj)
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{
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ACPI_STATUS Status;
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ACPI_OBJECT_LIST ParamObjects;
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ACPI_OBJECT Params[MTH_NUM_ARGS];
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UINT32 i;
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if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
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{
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AcpiOsPrintf ("Warning: debug output is not enabled!\n");
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}
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/* Are there arguments to the method? */
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if (Info->Args && Info->Args[0])
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{
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for (i = 0; Info->Args[i] && i < MTH_NUM_ARGS; i++)
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{
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Params[i].Type = ACPI_TYPE_INTEGER;
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Params[i].Integer.Value = ACPI_STRTOUL (Info->Args[i], NULL, 16);
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}
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ParamObjects.Pointer = Params;
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ParamObjects.Count = i;
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}
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else
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{
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/* Setup default parameters */
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Params[0].Type = ACPI_TYPE_INTEGER;
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Params[0].Integer.Value = 0x01020304;
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Params[1].Type = ACPI_TYPE_STRING;
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Params[1].String.Length = 12;
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Params[1].String.Pointer = "AML Debugger";
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ParamObjects.Pointer = Params;
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ParamObjects.Count = 2;
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}
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/* Prepare for a return object of arbitrary size */
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ReturnObj->Pointer = AcpiGbl_DbBuffer;
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ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
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/* Do the actual method execution */
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Status = AcpiEvaluateObject (NULL, Info->Pathname, &ParamObjects, ReturnObj);
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AcpiGbl_CmSingleStep = FALSE;
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AcpiGbl_MethodExecuting = FALSE;
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return (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbExecuteSetup
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*
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* PARAMETERS: Info - Valid method info
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*
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* RETURN: Status
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*
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* DESCRIPTION: Setup info segment prior to method execution
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*
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******************************************************************************/
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void
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AcpiDbExecuteSetup (
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ACPI_DB_METHOD_INFO *Info)
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{
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/* Catenate the current scope to the supplied name */
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Info->Pathname[0] = 0;
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if ((Info->Name[0] != '\\') &&
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(Info->Name[0] != '/'))
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{
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ACPI_STRCAT (Info->Pathname, AcpiGbl_DbScopeBuf);
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}
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ACPI_STRCAT (Info->Pathname, Info->Name);
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AcpiDbPrepNamestring (Info->Pathname);
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AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
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AcpiOsPrintf ("Executing %s\n", Info->Pathname);
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if (Info->Flags & EX_SINGLE_STEP)
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{
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AcpiGbl_CmSingleStep = TRUE;
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AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
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}
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else
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{
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/* No single step, allow redirection to a file */
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AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbGetOutstandingAllocations
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*
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* PARAMETERS: None
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*
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* RETURN: Current global allocation count minus cache entries
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*
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* DESCRIPTION: Determine the current number of "outstanding" allocations --
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* those allocations that have not been freed and also are not
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* in one of the various object caches.
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*
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******************************************************************************/
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UINT32
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AcpiDbGetOutstandingAllocations (
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void)
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{
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UINT32 Outstanding = 0;
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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UINT32 i;
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for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++)
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{
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Outstanding += (AcpiGbl_MemoryLists[i].TotalAllocated -
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AcpiGbl_MemoryLists[i].TotalFreed -
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AcpiGbl_MemoryLists[i].CacheDepth);
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}
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#endif
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return (Outstanding);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbExecute
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*
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* PARAMETERS: Name - Name of method to execute
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* Args - Parameters to the method
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* Flags - single step/no single step
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*
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* RETURN: Status
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*
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* DESCRIPTION: Execute a control method. Name is relative to the current
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* scope.
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*
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******************************************************************************/
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void
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AcpiDbExecute (
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NATIVE_CHAR *Name,
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NATIVE_CHAR **Args,
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UINT32 Flags)
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{
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ACPI_STATUS Status;
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ACPI_BUFFER ReturnObj;
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#ifdef ACPI_DEBUG_OUTPUT
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UINT32 PreviousAllocations;
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UINT32 Allocations;
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/* Memory allocation tracking */
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PreviousAllocations = AcpiDbGetOutstandingAllocations ();
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#endif
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AcpiGbl_DbMethodInfo.Name = Name;
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AcpiGbl_DbMethodInfo.Args = Args;
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AcpiGbl_DbMethodInfo.Flags = Flags;
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ReturnObj.Pointer = NULL;
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ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
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AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
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Status = AcpiDbExecuteMethod (&AcpiGbl_DbMethodInfo, &ReturnObj);
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/*
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* Allow any handlers in separate threads to complete.
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* (Such as Notify handlers invoked from AML executed above).
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*/
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AcpiOsSleep (0, 10);
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#ifdef ACPI_DEBUG_OUTPUT
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/* Memory allocation tracking */
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Allocations = AcpiDbGetOutstandingAllocations () - PreviousAllocations;
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AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
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if (Allocations > 0)
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{
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AcpiOsPrintf ("Outstanding: %ld allocations after execution\n",
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Allocations);
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}
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#endif
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Execution of %s failed with status %s\n",
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AcpiGbl_DbMethodInfo.Pathname, AcpiFormatException (Status));
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}
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else
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{
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/* Display a return object, if any */
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if (ReturnObj.Length)
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{
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AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
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AcpiGbl_DbMethodInfo.Pathname, ReturnObj.Pointer,
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(UINT32) ReturnObj.Length);
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AcpiDbDumpObject (ReturnObj.Pointer, 1);
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}
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else
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{
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AcpiOsPrintf ("No return object from execution of %s\n",
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AcpiGbl_DbMethodInfo.Pathname);
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}
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}
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AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbMethodThread
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*
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* PARAMETERS: Context - Execution info segment
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*
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* RETURN: None
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*
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* DESCRIPTION: Debugger execute thread. Waits for a command line, then
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* simply dispatches it.
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*
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******************************************************************************/
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void ACPI_SYSTEM_XFACE
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AcpiDbMethodThread (
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void *Context)
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{
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ACPI_STATUS Status;
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ACPI_DB_METHOD_INFO *Info = Context;
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UINT32 i;
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ACPI_BUFFER ReturnObj;
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for (i = 0; i < Info->NumLoops; i++)
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{
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Status = AcpiDbExecuteMethod (Info, &ReturnObj);
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if (ACPI_SUCCESS (Status))
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{
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if (ReturnObj.Length)
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{
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AcpiOsPrintf ("Execution of %s returned object %p Buflen %X\n",
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Info->Pathname, ReturnObj.Pointer, (UINT32) ReturnObj.Length);
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AcpiDbDumpObject (ReturnObj.Pointer, 1);
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}
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}
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}
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/* Signal our completion */
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Status = AcpiOsSignalSemaphore (Info->ThreadGate, 1);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not signal debugger semaphore\n");
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbCreateExecutionThreads
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*
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* PARAMETERS: NumThreadsArg - Number of threads to create
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* NumLoopsArg - Loop count for the thread(s)
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* MethodNameArg - Control method to execute
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*
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* RETURN: None
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*
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* DESCRIPTION: Create threads to execute method(s)
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*
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******************************************************************************/
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void
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AcpiDbCreateExecutionThreads (
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NATIVE_CHAR *NumThreadsArg,
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NATIVE_CHAR *NumLoopsArg,
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NATIVE_CHAR *MethodNameArg)
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{
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ACPI_STATUS Status;
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UINT32 NumThreads;
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UINT32 NumLoops;
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UINT32 i;
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ACPI_HANDLE ThreadGate;
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/* Get the arguments */
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NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
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NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
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if (!NumThreads || !NumLoops)
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{
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AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n", NumThreads, NumLoops);
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return;
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}
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/* Create the synchronization semaphore */
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Status = AcpiOsCreateSemaphore (1, 0, &ThreadGate);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not create semaphore, %s\n", AcpiFormatException (Status));
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return;
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}
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/* Setup the context to be passed to each thread */
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AcpiGbl_DbMethodInfo.Name = MethodNameArg;
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AcpiGbl_DbMethodInfo.Args = NULL;
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AcpiGbl_DbMethodInfo.Flags = 0;
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AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
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AcpiGbl_DbMethodInfo.ThreadGate = ThreadGate;
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AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
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/* Create the threads */
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AcpiOsPrintf ("Creating %X threads to execute %X times each\n", NumThreads, NumLoops);
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for (i = 0; i < (NumThreads); i++)
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{
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Status = AcpiOsQueueForExecution (OSD_PRIORITY_MED, AcpiDbMethodThread, &AcpiGbl_DbMethodInfo);
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if (ACPI_FAILURE (Status))
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{
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break;
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}
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}
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/* Wait for all threads to complete */
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i = NumThreads;
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while (i) /* Brain damage for OSD implementations that only support wait of 1 unit */
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{
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Status = AcpiOsWaitSemaphore (ThreadGate, 1, ACPI_WAIT_FOREVER);
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i--;
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}
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/* Cleanup and exit */
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(void) AcpiOsDeleteSemaphore (ThreadGate);
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AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
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AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
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AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
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}
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#endif /* ACPI_DEBUGGER */
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