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/*  system.h

 *

 *  This include file contains information that is included in every

 *  function in the executive.  This must be the first include file

 *  included in all internal RTEMS files.

 *

 *  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.

 *

 *  system.h,v 1.32 2002/04/18 13:07:50 joel Exp

 */

#ifndef __RTEMS_SYSTEM_h

#define __RTEMS_SYSTEM_h

#ifdef __cplusplus

extern "C" {

#endif

/*

 *  The cpu options include file defines all cpu dependent

 *  parameters for this build of RTEMS.  It must be included

 *  first so the basic macro definitions are in place.

 */

#include <rtems/score/cpuopts.h>

/*

 *  The following ensures that all data is declared in the space

 *  of the initialization routine for either the Initialization Manager

 *  or the initialization file for the appropriate API.  It is

 *  referenced as "external" in every other file.

 */

#ifdef SCORE_INIT

#undef  SCORE_EXTERN

#define SCORE_EXTERN

#else

#undef  SCORE_EXTERN

#define SCORE_EXTERN  extern

#endif

#ifdef SAPI_INIT

#undef  SAPI_EXTERN

#define SAPI_EXTERN

#else

#undef  SAPI_EXTERN

#define SAPI_EXTERN  extern

#endif

#ifdef RTEMS_API_INIT

#undef  RTEMS_EXTERN

#define RTEMS_EXTERN

#else

#undef  RTEMS_EXTERN

#define RTEMS_EXTERN  extern

#endif

#ifdef POSIX_API_INIT

#undef  POSIX_EXTERN

#define POSIX_EXTERN

#else

#undef  POSIX_EXTERN

#define POSIX_EXTERN  extern

#endif

#ifdef ITRON_API_INIT

#undef  ITRON_EXTERN

#define ITRON_EXTERN

#else

#undef  ITRON_EXTERN

#define ITRON_EXTERN  extern

#endif

/*

 *  The following (in conjunction with compiler arguments) are used

 *  to choose between the use of static inline functions and macro

 *  functions.   The static inline implementation allows better

 *  type checking with no cost in code size or execution speed.

 */

#ifdef USE_INLINES

# ifdef __GNUC__

#  define RTEMS_INLINE_ROUTINE static __inline__

# else

#  define RTEMS_INLINE_ROUTINE static inline

# endif

#else

# define RTEMS_INLINE_ROUTINE

#endif

/*

 *  The following are used by the POSIX implementation to catch bad paths.

 */

#ifdef RTEMS_POSIX_API

int POSIX_MP_NOT_IMPLEMENTED( void );

int POSIX_NOT_IMPLEMENTED( void );

int POSIX_BOTTOM_REACHED( void );

#endif

/*

 *  Include a base set of files.

 */

/*

 * XXX: Eventually proc_ptr needs to disappear!!!

 */

typedef void * proc_ptr;

/*

 *  Define NULL

 */

#ifndef NULL

#define NULL      0          /* NULL value */

#endif

/*

 *  Boolean constants

 */

#if !defined( TRUE ) || (TRUE != 1)

#undef TRUE

#define TRUE     (1)

#endif

#if !defined( FALSE ) || (FALSE != 0)

#undef FALSE

#define FALSE     (0)

#endif

#include <rtems/score/cpu.h>        /* processor specific information */

#define stringify( _x ) # _x

#define RTEMS_offsetof(type, field) \

        ((unsigned32) &(((type *) 0)->field))

/*

 *  The following is the extern for the RTEMS version string.

 *  The contents of this string are CPU specific.

 */

extern const char _RTEMS_version[];         /* RTEMS version string */

extern const char _Copyright_Notice[];      /* RTEMS copyright string */

/*

 *  The following defines the CPU dependent information table.

 */

SCORE_EXTERN rtems_cpu_table _CPU_Table;               /* CPU dependent info */

/*

 *  Macros to access CPU Table fields required by ALL ports.

 *

 *  NOTE: Similar macros to access port specific fields in in the

 *        appropriate cpu.h file.

 */

#define rtems_cpu_configuration_get_table() \

   (&_CPU_Table)

#define rtems_cpu_configuration_get_pretasking_hook() \

   (_CPU_Table.pretasking_hook)

#define rtems_cpu_configuration_get_predriver_hook() \

   (_CPU_Table.predriver_hook)

#define rtems_cpu_configuration_get_postdriver_hook() \

   (_CPU_Table.postdriver_hook)

#define rtems_cpu_configuration_get_idle_task() \

   (_CPU_Table.idle_task)

#define rtems_cpu_configuration_get_do_zero_of_workspace() \

   (_CPU_Table.do_zero_of_workspace)

#define rtems_cpu_configuration_get_idle_task_stack_size() \

   (_CPU_Table.idle_task_stack_size)

#define rtems_cpu_configuration_get_interrupt_stack_size() \

   (_CPU_Table.interrupt_stack_size)

#define rtems_cpu_configuration_get_extra_mpci_receive_server_stack() \

   (_CPU_Table.extra_mpci_receive_server_stack)

#define rtems_cpu_configuration_get_stack_allocate_hook() \

   (_CPU_Table.stack_allocate_hook)

#define rtems_cpu_configuration_get_stack_free_hook() \

   (_CPU_Table.stack_free_hook)

/*

 *  XXX weird RTEMS stuff that probably should be somewhere else.

 */

#define RTEMS_MAXIMUM_NAME_LENGTH sizeof(rtems_name)

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */