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px4-firmware/nuttx/include/sys/syscall.h

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/****************************************************************************
* include/sys/syscall.h
* This file contains the system call numbers.
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_SYS_SYSCALL_H
#define __INCLUDE_SYS_SYSCALL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Reserve the first system calls for platform-specific usage if so
* configured.
*/
#ifndef CONFIG_SYS_RESERVED
# define CONFIG_SYS_RESERVED (0)
#endif
/* System call numbers
*
* These first system calls are supported regardless of the NuttX
* configuration
*/
#define SYS__exit (CONFIG_SYS_RESERVED+0)
#define SYS_exit (CONFIG_SYS_RESERVED+1)
#define SYS_get_errno (CONFIG_SYS_RESERVED+2)
#define SYS_getpid (CONFIG_SYS_RESERVED+3)
#define SYS_sched_getparam (CONFIG_SYS_RESERVED+4)
#define SYS_sched_getscheduler (CONFIG_SYS_RESERVED+5)
#define SYS_sched_lock (CONFIG_SYS_RESERVED+6)
#define SYS_sched_lockcount (CONFIG_SYS_RESERVED+7)
#define SYS_sched_rr_get_interval (CONFIG_SYS_RESERVED+8)
#define SYS_sched_setparam (CONFIG_SYS_RESERVED+9)
#define SYS_sched_setscheduler (CONFIG_SYS_RESERVED+10)
#define SYS_sched_unlock (CONFIG_SYS_RESERVED+11)
#define SYS_sched_yield (CONFIG_SYS_RESERVED+12)
#define SYS_sem_close (CONFIG_SYS_RESERVED+13)
#define SYS_sem_destroy (CONFIG_SYS_RESERVED+14)
#define SYS_sem_open (CONFIG_SYS_RESERVED+15)
#define SYS_sem_post (CONFIG_SYS_RESERVED+16)
#define SYS_sem_trywait (CONFIG_SYS_RESERVED+17)
#define SYS_sem_unlink (CONFIG_SYS_RESERVED+18)
#define SYS_sem_wait (CONFIG_SYS_RESERVED+19)
#define SYS_set_errno (CONFIG_SYS_RESERVED+20)
#define SYS_task_create (CONFIG_SYS_RESERVED+21)
#define SYS_task_delete (CONFIG_SYS_RESERVED+22)
#define SYS_task_restart (CONFIG_SYS_RESERVED+23)
#define SYS_up_assert (CONFIG_SYS_RESERVED+24)
#define SYS_up_assert_code (CONFIG_SYS_RESERVED+25)
#define __SYS_atexit (CONFIG_SYS_RESERVED+26)
/* The following can be individually enabled */
#ifdef CONFIG_SCHED_ATEXIT
# define SYS_atexit __SYS_atexit
# define __SYS_waitpaid (__SYS_atexit+1)
#else
# define __SYS_waitpaid __SYS_atexit
#endif
#ifdef CONFIG_SCHED_WAITPID
# define SYS_waitpid __SYS_waitpaid
# define __SYS_signals (__SYS_waitpaid+1)
#else
# define __SYS_signals __SYS_waitpaid
#endif
/* The following are only defined is signals are supported in the NuttX
* configuration.
*/
#ifndef CONFIG_DISABLE_SIGNALS
# define SYS_kill (__SYS_signals+0)
# define SYS_sigaction (__SYS_signals+1)
# define SYS_sigpending (__SYS_signals+2)
# define SYS_sigprocmask (__SYS_signals+3)
# define SYS_sigqueue (__SYS_signals+4)
# define SYS_sigsuspend (__SYS_signals+5)
# define SYS_sigtimedwait (__SYS_signals+6)
# define SYS_sigwaitinfo (__SYS_signals+7)
# define SYS_sleep (__SYS_signals+8)
# define SYS_usleep (__SYS_signals+9)
# define __SYS_clock (__SYS_signals+10)
#else
# define __SYS_clock __SYS_signals
#endif
/* The following are only defined if the system clock is enabled in the
* NuttX configuration.
*/
#ifndef CONFIG_DISABLE_CLOCK
# define SYS_clock_systimer (__SYS_clock+0)
# define SYS_clock_getres (__SYS_clock+1)
# define SYS_clock_gettime (__SYS_clock+2)
# define SYS_clock_settime (__SYS_clock+3)
# define SYS_gettimeofday (__SYS_clock+4)
# define __SYS_timers (__SYS_clock+5)
#else
# define __SYS_timers __SYS_clock
#endif
/* The following are defined only if POSIX timers are supported */
#ifndef CONFIG_DISABLE_POSIX_TIMERS
# define SYS_timer_create (__SYS_timers+0)
# define SYS_timer_delete (__SYS_timers+1)
# define SYS_timer_getoverrun (__SYS_timers+2)
# define SYS_timer_gettime (__SYS_timers+3)
# define SYS_timer_settime (__SYS_timers+4)
# define __SYS_descriptors (__SYS_timers+5)
#else
# define __SYS_descriptors __SYS_timers
#endif
/* The following are defined if either file or socket descriptor are
* enabled.
*/
#ifndef CONFIG_NET
# undef CONFIG_NSOCKET_DESCRIPTORS
# define CONFIG_NSOCKET_DESCRIPTORS 0
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
# define SYS_close (__SYS_descriptors+0)
# define SYS_ioctl (__SYS_descriptors+1)
# define SYS_read (__SYS_descriptors+2)
# define SYS_write (__SYS_descriptors+3)
# ifndef CONFIG_DISABLE_POLL
# define SYS_poll (__SYS_descriptors+4)
# define SYS_select (__SYS_descriptors+5)
# define __SYS_filedesc (__SYS_descriptors+6)
# else
# define __SYS_filedesc (__SYS_descriptors+4)
# endif
#else
# define __SYS_filedesc __SYS_descriptors
#endif
/* The following are defined if file descriptors are enabled */
#if CONFIG_NFILE_DESCRIPTORS > 0
# define SYS_closedir (__SYS_filedesc+0)
# define SYS_dup (__SYS_filedesc+1)
# define SYS_dup2 (__SYS_filedesc+2)
# define SYS_fcntl (__SYS_filedesc+3)
# define SYS_lseek (__SYS_filedesc+4)
# define SYS_mkfifo (__SYS_filedesc+5)
# define SYS_mmap (__SYS_filedesc+6)
# define SYS_open (__SYS_filedesc+7)
# define SYS_opendir (__SYS_filedesc+8)
# define SYS_pipe (__SYS_filedesc+9)
# define SYS_readdir (__SYS_filedesc+10)
# define SYS_rewinddir (__SYS_filedesc+11)
# define SYS_seekdir (__SYS_filedesc+12)
# define SYS_stat (__SYS_filedesc+13)
# define SYS_statfs (__SYS_filedesc+14)
# define SYS_telldir (__SYS_filedesc+15)
# if CONFIG_NFILE_STREAMS > 0
# define SYS_fs_fdopen (__SYS_filedesc+16)
# define SYS_sched_getstreams (__SYS_filedesc+17)
# define __SYS_mountpoint (__SYS_filedesc+18)
# else
# define __SYS_mountpoint (__SYS_filedesc+16)
# endif
# if !defined(CONFIG_DISABLE_MOUNTPOINT)
# define SYS_fsync (__SYS_mountpoint+0)
# define SYS_mkdir (__SYS_mountpoint+1)
# define SYS_mount (__SYS_mountpoint+2)
# define SYS_rename (__SYS_mountpoint+3)
# define SYS_rmdir (__SYS_mountpoint+4)
# define SYS_umount (__SYS_mountpoint+5)
# define SYS_unlink (__SYS_mountpoint+6)
# define __SYS_pthread (__SYS_mountpoint+7)
# else
# define __SYS_pthread __SYS_mountpoint
# endif
#else
# define __SYS_pthread __SYS_filedesc
#endif
/* The following are defined if pthreads are enabled */
#ifndef CONFIG_DISABLE_PTHREAD
# define SYS_pthread_barrier_destroy (__SYS_pthread+0)
# define SYS_pthread_barrier_init (__SYS_pthread+1)
# define SYS_pthread_barrier_wait (__SYS_pthread+2)
# define SYS_pthread_cancel (__SYS_pthread+3)
# define SYS_pthread_cond_broadcast (__SYS_pthread+4)
# define SYS_pthread_cond_destroy (__SYS_pthread+5)
# define SYS_pthread_cond_init (__SYS_pthread+6)
# define SYS_pthread_cond_signal (__SYS_pthread+7)
# define SYS_pthread_cond_wait (__SYS_pthread+8)
# define SYS_pthread_create (__SYS_pthread+9)
# define SYS_pthread_detach (__SYS_pthread+10)
# define SYS_pthread_exit (__SYS_pthread+11)
# define SYS_pthread_getschedparam (__SYS_pthread+12)
# define SYS_pthread_getspecific (__SYS_pthread+13)
# define SYS_pthread_join (__SYS_pthread+14)
# define SYS_pthread_key_create (__SYS_pthread+15)
# define SYS_pthread_key_delete (__SYS_pthread+16)
# define SYS_pthread_mutex_destroy (__SYS_pthread+17)
# define SYS_pthread_mutex_init (__SYS_pthread+18)
# define SYS_pthread_mutex_lock (__SYS_pthread+19)
# define SYS_pthread_mutex_trylock (__SYS_pthread+20)
# define SYS_pthread_mutex_unlock (__SYS_pthread+21)
# define SYS_pthread_once (__SYS_pthread+22)
# define SYS_pthread_setcancelstate (__SYS_pthread+23)
# define SYS_pthread_setschedparam (__SYS_pthread+24)
# define SYS_pthread_setschedprio (__SYS_pthread+25)
# define SYS_pthread_setspecific (__SYS_pthread+26)
# define SYS_pthread_yield (__SYS_pthread+27)
# ifndef CONFIG_DISABLE_SIGNAL
# define SYS_pthread_cond_timedwait (__SYS_pthread+28)
# define SYS_pthread_kill (__SYS_pthread+29)
# define SYS_pthread_sigmask (__SYS_pthread+30)
# define __SYS_mqueue (__SYS_pthread+31)
# else
# define __SYS_mqueue (__SYS_pthread+28)
# endif
#else
# define __SYS_mqueue __SYS_pthread
#endif
/* The following are defined only if message queues are enabled */
#ifndef CONFIG_DISABLE_MQUEUE
# define SYS_mq_close (__SYS_mqueue+0)
# define SYS_mq_notify (__SYS_mqueue+1)
# define SYS_mq_open (__SYS_mqueue+2)
# define SYS_mq_receive (__SYS_mqueue+3)
# define SYS_mq_send (__SYS_mqueue+4)
# define SYS_mq_timedreceive (__SYS_mqueue+5)
# define SYS_mq_timedsend (__SYS_mqueue+6)
# define SYS_mq_unlink (__SYS_mqueue+7)
# define __SYS_environ (__SYS_mqueue+8)
#else
# define __SYS_environ __SYS_mqueue
#endif
/* The following are defined only if environment variables are supported */
#ifndef CONFIG_DISABLE_ENVIRON
# define SYS_clearenv (__SYS_environ+0)
# define SYS_getenv (__SYS_environ+1)
# define SYS_putenv (__SYS_environ+2)
# define SYS_setenv (__SYS_environ+3)
# define SYS_unsetenv (__SYS_environ+4)
# define __SYS_network (__SYS_environ+5)
#else
# define __SYS_network __SYS_environ
#endif
/* The following are defined only if networking AND sockets are supported */
#if CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET)
# define SYS_accept (__SYS_network+0)
# define SYS_bind (__SYS_network+1)
# define SYS_connect (__SYS_network+2)
# define SYS_getsockopt (__SYS_network+3)
# define SYS_listen (__SYS_network+4)
# define SYS_recv (__SYS_network+5)
# define SYS_recvfrom (__SYS_network+6)
# define SYS_send (__SYS_network+7)
# define SYS_sendto (__SYS_network+8)
# define SYS_setsockopt (__SYS_network+9)
# define SYS_socket (__SYS_network+10)
# define SYS_maxsyscall (__SYS_network+11)
#else
# define SYS_maxsyscall __SYS_network
#endif
/* Note that the reported number of system calls does *NOT* include the
* architecture-specific system calls. If the "real" total is required,
* use SYS_maxsyscall.
*/
#define SYS_nsyscalls (SYS_maxsyscall-CONFIG_SYS_RESERVED)
/****************************************************************************
* Public Type Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
/* This is the union of all possible stub function types */
union syscall_stubfunc_u
{
uintptr_t (*stub0)(void);
uintptr_t (*stub1)(uintptr_t parm1);
uintptr_t (*stub2)(uintptr_t parm1, uintptr_t parm2);
uintptr_t (*stub3)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3);
uintptr_t (*stub4)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4);
uintptr_t (*stub5)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5);
uintptr_t (*stub6)(uintptr_t parm1, uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5, uintptr_t parm6);
};
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* Stub lookup tables. Each table is indexed by the system call numbers
* defined above. Given the system call number, the corresponding entry in
* these tables describes how to call the stub dispatch function.
*/
EXTERN const union syscall_stubfunc_u g_stublookup[SYS_nsyscalls];
EXTERN const uint8_t g_stubnparms[SYS_nsyscalls];
/****************************************************************************
* Public Functions
****************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __INCLUDE_SYS_SYSCALL_H */
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