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/*  config.h

 *

 *  This include file contains the table of user defined configuration

 *  parameters.

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  config.h,v 1.23 2002/04/02 23:51:16 joel Exp

 */

#ifndef __RTEMS_CONFIGURATION_h

#define __RTEMS_CONFIGURATION_h

#ifdef __cplusplus

extern "C" {

#endif

/*

 *  Unlimited object support. Changes the configuration table entry for POSIX

 *  or RTEMS APIs to bounded only by the memory of the work-space.

 *

 *  Use the macro to define the resource unlimited before placing in

 *  the configuration table.

 */

#include <rtems/score/object.h>

#define RTEMS_UNLIMITED_OBJECTS OBJECTS_UNLIMITED_OBJECTS

#define rtems_resource_unlimited(resource) \

  ( resource | RTEMS_UNLIMITED_OBJECTS )

/*

 *  This is kind of kludgy but it allows targets to totally ignore the

 *  optional APIs like POSIX and ITRON safely.

 */

#ifdef RTEMS_POSIX_API

#include <rtems/posix/config.h>

#else

typedef void *posix_api_configuration_table;

#endif

#ifdef RTEMS_ITRON_API

#include <itron.h>

#include <rtems/itron/config.h>

#else

typedef void *itron_api_configuration_table;

#endif

#include <rtems/rtems/config.h>

/*  XXX <rtems/rtems/config.h> should cover these

#include <rtems/rtems/status.h>

#include <rtems/rtems/types.h>

#include <rtems/rtems/tasks.h>

*/

#include <rtems/extension.h>

#include <rtems/io.h>

#if defined(RTEMS_MULTIPROCESSING)

#include <rtems/score/mpci.h>

#endif

/*

 *  The following records define the Multiprocessor Configuration

 *  Table.  This table defines the multiprocessor system

 *  characteristics which must be known by RTEMS in a multiprocessor

 *  system.

 */

typedef struct {

  rtems_unsigned32    node;             /* local node number */

  rtems_unsigned32    maximum_nodes;    /* maximum # nodes in system */

  rtems_unsigned32    maximum_global_objects; /* maximum # global objects */

  rtems_unsigned32    maximum_proxies;  /* maximum # proxies */

#if defined(RTEMS_MULTIPROCESSING)

  rtems_mpci_table   *User_mpci_table;  /* pointer to MPCI table */

#else

  void         *User_mpci_table;        /* pointer to MPCI table */

#endif

} rtems_multiprocessing_table;

/*

 *  The following records define the Configuration Table.  The

 *  information contained in this table is required in all

 *  RTEMS systems, whether single or multiprocessor.  This

 *  table primarily defines the following:

 *

 *     + location and size of the RTEMS Workspace

 *     + microseconds per clock tick

 *     + clock ticks per task timeslice

 *     + required number of each object type for each API configured

 */

typedef struct {

  void                             *work_space_start;

  rtems_unsigned32                  work_space_size;

  rtems_unsigned32                  maximum_extensions;

  rtems_unsigned32                  microseconds_per_tick;

  rtems_unsigned32                  ticks_per_timeslice;

  rtems_unsigned32                  maximum_devices;

  rtems_unsigned32                  maximum_drivers;

  rtems_unsigned32                  number_of_device_drivers;

  rtems_driver_address_table       *Device_driver_table;

  rtems_unsigned32                  number_of_initial_extensions;

  rtems_extensions_table           *User_extension_table;

  rtems_multiprocessing_table      *User_multiprocessing_table;

  rtems_api_configuration_table    *RTEMS_api_configuration;

  posix_api_configuration_table    *POSIX_api_configuration;

  itron_api_configuration_table    *ITRON_api_configuration;

} rtems_configuration_table;

/*

 *  The following are provided strictly for the convenience of

 *  the user.  They are not used in RTEMS itself.

 */

SAPI_EXTERN rtems_configuration_table    *_Configuration_Table;

SAPI_EXTERN rtems_multiprocessing_table  *_Configuration_MP_table;

/*

 *  Some handy macros to avoid dependencies on either the BSP

 *  or the exact format of the configuration table.

 */

#define rtems_configuration_get_table() \

        (&_Configuration_Table)

#define rtems_configuration_get_work_space_start() \

        (_Configuration_Table->work_space_start)

#define rtems_configuration_get_work_space_size() \

        (_Configuration_Table->work_space_size)

#define rtems_configuration_get_maximum_extensions() \

        (_Configuration_Table->maximum_extensions)

#define rtems_configuration_get_microseconds_per_tick() \

        (_Configuration_Table->microseconds_per_tick)

#define rtems_configuration_get_milliseconds_per_tick() \

        (_Configuration_Table->microseconds_per_tick / 1000)

#define rtems_configuration_get_ticks_per_timeslice() \

        (_Configuration_Table->ticks_per_timeslice)

#define rtems_configuration_get_maximum_devices() \

        (_Configuration_Table->maximum_devices)

#define rtems_configuration_get_number_of_device_drivers() \

        (_Configuration_Table->number_of_device_drivers)

#define rtems_configuration_get_device_driver_table() \

        (_Configuration_Table->device_driver_table)

#define rtems_configuration_get_number_of_initial_extensions() \

        (_Configuration_Table->number_of_initial_extensions)

#define rtems_configuration_get_user_extension_table() \

        (_Configuration_Table->user_extension_table)

#define rtems_configuration_get_user_multiprocessing_table() \

        (_Configuration_Table->User_multiprocessing_table)

#define rtems_configuration_get_rtems_api_configuration() \

        (_Configuration_Table->RTEMS_api_configuration)

#define rtems_configuration_get_posix_api_configuration() \

        (_Configuration_Table->POSIX_api_configuration)

#define rtems_configuration_get_itron_api_configuration() \

        (_Configuration_Table->ITRON_api_configuration)

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */