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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.
*
* $Id$
*/
#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 */
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