122 lines
5.5 KiB
C
122 lines
5.5 KiB
C
/* Copyright (C) 2005 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#ifndef _SOS_SYSCALL_H_
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#define _SOS_SYSCALL_H_
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/**
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* @file syscall.h
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*
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* SOS Syscalls identifiers and handler. The handler is called by the
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* underlying assembler routine (see hwcore/syscall.h)
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*/
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/**
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* The user services offered by the SOS kernel
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*/
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#define SOS_SYSCALL_ID_EXIT 67 /**< Args: retval, retval=NONE */
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/**
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* Basic low-level user thread API
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*/
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#define SOS_SYSCALL_ID_NEW_THREAD 128 /**< Args: start_func start_arg1 start_arg2 stack_size, retval=errno */
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#define SOS_SYSCALL_ID_NANOSLEEP 129 /**< Args: sec nanosec, retval=errno */
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/**
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* User memory mappings management
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*/
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#define SOS_SYSCALL_ID_GETPID 256 /**< Args: NONE, retval=cur. proc. PID */
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#define SOS_SYSCALL_ID_FORK 257 /**< Args: NONE, retval={father:child_pd, child:0} */
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#define SOS_SYSCALL_ID_EXEC 258 /**< Args: ptr_exec_path strlen_exec_path addr_args len_args, retval=errno */
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#define SOS_SYSCALL_ID_MUNMAP 260 /**< Args: start_uaddr size, retval=errno */
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#define SOS_SYSCALL_ID_MPROTECT 261 /**< Args: start_uaddr size access_rights, retval=errno */
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#define SOS_SYSCALL_ID_MRESIZE 262 /**< Args: old_uaddr old_size ptr_new_uaddr new_size flags, retval=errno */
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#define SOS_SYSCALL_ID_MSYNC 263 /**< Args: start_uaddr size flags, retval=errno */
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/**
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* Heap management
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*/
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#define SOS_SYSCALL_ID_BRK 303 /**< Args: 0/new_top_heap, retval=top_heap */
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/**
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* File system interface
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*/
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#define SOS_SYSCALL_ID_MOUNT 555 /**< Args: uaddr_src srclen uaddr_dst dstlen uaddr_fstype flags uaddr_args, retval=errno */
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#define SOS_SYSCALL_ID_UMOUNT 556 /**< Args: uaddr_path pathlen, retval=errno */
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#define SOS_SYSCALL_ID_SYNC 557 /**< Args: none, retval=errno */
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#define SOS_SYSCALL_ID_VFSTAT64 558 /**< Args: uaddr_path pathlen uaddr_vfstat_struct, retval=errno */
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#define SOS_SYSCALL_ID_OPEN 559 /**< Args: path pathlen flags access_rights, retval=fd */
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#define SOS_SYSCALL_ID_CLOSE 560 /**< Args: fd, retval=errno */
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#define SOS_SYSCALL_ID_READ 561 /**< Args: fd uaddr_buf uaddr_buflen, retval=errno */
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#define SOS_SYSCALL_ID_READDIR 562 /**< Args: fd uaddr_dirent, retval=errno */
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#define SOS_SYSCALL_ID_WRITE 563 /**< Args: fd uaddr_buf uaddr_buflen, retval=errno */
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#define SOS_SYSCALL_ID_SEEK64 564 /**< Args: fd uaddr_offset whence, retval=errno */
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#define SOS_SYSCALL_ID_FTRUNCATE64 565 /**< Args: fd length, retval=errno */
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#define SOS_SYSCALL_ID_FSMMAP 566 /**< Args: &hint len prot flags fd uoffs64_hi uoffs64_lo, retval=errno */
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#define SOS_SYSCALL_ID_FSYNC 567 /**< Args: fd, retval=errno */
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#define SOS_SYSCALL_ID_FCNTL 568 /**< Args: fd cmd arg, retval=errno */
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/* fcntl possible commands */
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# define SOS_FCNTL_DUPFD 0x4201
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# define SOS_FCNTL_GETFD 0x4202
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# define SOS_FCNTL_SETFD 0x4203
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# define SOS_FCNTL_GETFL 0x4204
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# define SOS_FCNTL_SETFL 0x4205
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#define SOS_SYSCALL_ID_IOCTL 569 /**< Args: fd cmd arg, retval=errno */
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#define SOS_SYSCALL_ID_CREAT 570 /**< Args: uaddr_path pathlen access_rights, retval=errno */
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#define SOS_SYSCALL_ID_LINK 571 /**< Args: uaddr_oldpath oldpathlen uaddr_newpath newpathlen, retval=errno */
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#define SOS_SYSCALL_ID_RENAME 572 /**< Args: uaddr_oldpath oldpathlen uaddr_newpath newpathlen, retval=errno */
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#define SOS_SYSCALL_ID_UNLINK 573 /**< Args: uaddr_path pathlen, retval=errno */
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#define SOS_SYSCALL_ID_SYMLINK 574 /**< Args: uaddr_path pathlen uaddr_target targetlen, retval=errno */
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#define SOS_SYSCALL_ID_MKNOD 575 /**< Args: uaddr_path pathlen type access_rights major minor, retval=errno */
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#define SOS_SYSCALL_ID_MKDIR 576 /**< Args: uaddr_path pathlen access_rights, retval=errno */
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#define SOS_SYSCALL_ID_RMDIR 577 /**< Args: uaddr_path pathlen, retval=errno */
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#define SOS_SYSCALL_ID_CHMOD 578 /**< Args: uaddr_path pathlen access_rights, retval=errno */
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#define SOS_SYSCALL_ID_STAT64 579 /**< Args: uaddr_path pathlen nofollow uaddr_stat_struct, retval=errno */
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#define SOS_SYSCALL_ID_CHROOT 580 /**< Args: uaddr_path pathlen, retval=errno */
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#define SOS_SYSCALL_ID_CHDIR 581 /**< Args: uaddr_path pathlen, retval=errno */
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#define SOS_SYSCALL_ID_FCHDIR 582 /**< Args: fd, retval=errno */
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#define SOS_SYSCALL_ID_BOCHS_WRITE 43 /**< Args: string, retval=num_printed */
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#if defined(KERNEL_SOS) && !defined(ASM_SOURCE)
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#include <sos/errno.h>
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#include <hwcore/cpu_context.h>
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/**
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* "The" SOS syscall handler
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*
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* @param syscall_id The identifier of the syscall service
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* @param user_ctxt The user context making the syscall
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*/
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sos_ret_t sos_do_syscall(int syscall_id,
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const struct sos_cpu_state *user_ctxt);
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#endif /* defined(KERNEL_SOS) && !defined(ASM_SOURCE) */
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#endif /* _SOS_SYSCALL_H_ */
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