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/**
* @file rtems/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) 1989-2006.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_SYSTEM_H
#define _RTEMS_SYSTEM_H
#ifdef __cplusplus
extern "C" {
#endif
/** This macro defines the major version portion of an RTEMS release.
*
* @note Use this macros to test for features in specific releases.
*/
#define __RTEMS_MAJOR__ 4
/** This macro defines the minor version portion of an RTEMS release.
*
* @note Use this macros to test for features in specific releases.
*/
#define __RTEMS_MINOR__ 6
/** This macro defines the revision version portion of an RTEMS release.
*
* @note Use this macros to test for features in specific releases.
*/
#define __RTEMS_REVISION__ 99
/*
* 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
/**
* 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 SAPI_INIT
#undef SAPI_EXTERN
#define SAPI_EXTERN
#else
#undef SAPI_EXTERN
#define SAPI_EXTERN extern
#endif
/**
* 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 RTEMS_API_INIT
#undef RTEMS_EXTERN
#define RTEMS_EXTERN
#else
#undef RTEMS_EXTERN
#define RTEMS_EXTERN extern
#endif
/**
* 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 POSIX_API_INIT
#undef POSIX_EXTERN
#define POSIX_EXTERN
#else
#undef POSIX_EXTERN
#define POSIX_EXTERN extern
#endif
/**
* 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 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 RTEMS_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 macro is a compiler specific way to ensure that memory
* writes are not reordered around certian points. This specifically can
* impact interrupt disable and thread dispatching critical sections.
*/
#ifdef __GNUC__
#define RTEMS_COMPILER_MEMORY_BARRIER() asm volatile("" ::: "memory")
#else
#define RTEMS_COMPILER_MEMORY_BARRIER()
#endif
#ifdef RTEMS_POSIX_API
/** The following is used by the POSIX implementation to catch bad paths. */
int POSIX_MP_NOT_IMPLEMENTED( void );
/** The following is used by the POSIX implementation to catch bad paths. */
int POSIX_NOT_IMPLEMENTED( void );
/** The following is used by the POSIX implementation to catch bad paths. */
int POSIX_BOTTOM_REACHED( void );
#endif
/*
* Include a base set of files.
*/
/**
* XXX: Eventually proc_ptr needs to disappear!!!
*/
typedef void * proc_ptr;
#include <stddef.h>
#if !defined( TRUE ) || (TRUE != 1)
/** Boolean constant TRUE */
#undef TRUE
#define TRUE (1)
#endif
#if !defined( FALSE ) || (FALSE != 0)
/** Boolean constant TRUE */
#undef FALSE
#define FALSE (0)
#endif
#include <rtems/stdint.h>
#include <rtems/score/cpu.h> /* processor specific information */
/**
* This macro is used to obtain the offset of a field in a structure.
*/
#define RTEMS_offsetof(type, field) \
((uint32_t ) &(((type *) 0)->field))
/**
* The following is the extern for the RTEMS version string.
*
* @note The contents of this string are CPU specific.
*/
extern const char _RTEMS_version[];
/**
* The following is the extern for the RTEMS copyright string.
*/
extern const char _Copyright_Notice[];
/**
* The following defines the CPU dependent information table.
*/
SCORE_EXTERN rtems_cpu_table _CPU_Table;
/*
* Macros to access CPU Table fields required by ALL ports.
*/
/** This macro assists in accessing the CPU Specific Configuration Table. */
#define rtems_cpu_configuration_get_table() (&_CPU_Table)
/** This macro assists in accessing the pretasking BSP hook. */
#define rtems_cpu_configuration_get_pretasking_hook() \
(_CPU_Table.pretasking_hook)
/** This macro assists in accessing the predriver BSP hook. */
#define rtems_cpu_configuration_get_predriver_hook() \
(_CPU_Table.predriver_hook)
/** This macro assists in accessing the postdriver BSP hook. */
#define rtems_cpu_configuration_get_postdriver_hook() \
(_CPU_Table.postdriver_hook)
/** This macro assists in accessing the BSP specific IDLE task entry point. */
#define rtems_cpu_configuration_get_idle_task() \
(_CPU_Table.idle_task)
/**
* This macro assists in accessing the field which indicates whether
* RTEMS is responsible for zeroing the Executive Workspace.
*/
#define rtems_cpu_configuration_get_do_zero_of_workspace() \
(_CPU_Table.do_zero_of_workspace)
/** This macro assists in accessing the IDLE task stack point size. */
#define rtems_cpu_configuration_get_idle_task_stack_size() \
(_CPU_Table.idle_task_stack_size)
/** This macro assists in accessing the interrupt stack size. */
#define rtems_cpu_configuration_get_interrupt_stack_size() \
(_CPU_Table.interrupt_stack_size)
/** This macro assists in accessing the size of the MPCI receiver server. */
#define rtems_cpu_configuration_get_extra_mpci_receive_server_stack() \
(_CPU_Table.extra_mpci_receive_server_stack)
/** This macro assists in accessing the BSP stack allocation hook. */
#define rtems_cpu_configuration_get_stack_allocate_hook() \
(_CPU_Table.stack_allocate_hook)
/** This macro assists in accessing the BSP stack allocation free hook. */
#define rtems_cpu_configuration_get_stack_free_hook() \
(_CPU_Table.stack_free_hook)
/** This macro defines the maximum length of a Classic API name. */
#define RTEMS_MAXIMUM_NAME_LENGTH sizeof(rtems_name)
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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