reactos/drivers/bus/acpi/executer/amxface.c

   1
   2 /******************************************************************************
   3  *
   4  * Module Name: amxface - External interpreter interfaces
   5  *              $Revision: 1.1 $
   6  *
   7  *****************************************************************************/
   8
   9 /*
  10  *  Copyright (C) 2000, 2001 R. Byron Moore
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25  */
  26
  27
  28 #include "acpi.h"
  29 #include "acinterp.h"
  30
  31
  32 #define _COMPONENT          ACPI_EXECUTER
  33          MODULE_NAME         ("amxface")
  34
  35
  36 /*
  37  * DEFINE_AML_GLOBALS is tested in amlcode.h
  38  * to determine whether certain global names should be "defined" or only
  39  * "declared" in the current compilation.  This enhances maintainability
  40  * by enabling a single header file to embody all knowledge of the names
  41  * in question.
  42  *
  43  * Exactly one module of any executable should #define DEFINE_GLOBALS
  44  * before #including the header files which use this convention.  The
  45  * names in question will be defined and initialized in that module,
  46  * and declared as extern in all other modules which #include those
  47  * header files.
  48  */
  49
  50 #define DEFINE_AML_GLOBALS
  51 #include "amlcode.h"
  52 #include "acparser.h"
  53 #include "acnamesp.h"
  54
  55
  56 /*******************************************************************************
  57  *
  58  * FUNCTION:    Acpi_aml_execute_method
  59  *
  60  * PARAMETERS:  Pcode               - Pointer to the pcode stream
  61  *              Pcode_length        - Length of pcode that comprises the method
  62  *              **Params            - List of parameters to pass to method,
  63  *                                    terminated by NULL. Params itself may be
  64  *                                    NULL if no parameters are being passed.
  65  *
  66  * RETURN:      Status
  67  *
  68  * DESCRIPTION: Execute a control method
  69  *
  70  ******************************************************************************/
  71
  72 ACPI_STATUS
  73 acpi_aml_execute_method (
  74         ACPI_NAMESPACE_NODE     *method_node,
  75         ACPI_OPERAND_OBJECT     **params,
  76         ACPI_OPERAND_OBJECT     **return_obj_desc)
  77 {
  78         ACPI_STATUS             status;
  79
  80
  81         /*
  82          * The point here is to lock the interpreter and call the low
  83          * level execute.
  84          */
  85
  86         status = acpi_aml_enter_interpreter ();
  87         if (ACPI_FAILURE (status)) {
  88                 return (status);
  89         }
  90
  91         status = acpi_psx_execute (method_node, params, return_obj_desc);
  92
  93         acpi_aml_exit_interpreter ();
  94
  95         return (status);
  96 }
  97
  98