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001 /* Copyright (C) 2005 David Decotigny 002 003 This program is free software; you can redistribute it and/or 004 modify it under the terms of the GNU General Public License 005 as published by the Free Software Foundation; either version 2 006 of the License, or (at your option) any later version. 007 008 This program is distributed in the hope that it will be useful, 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 GNU General Public License for more details. 012 013 You should have received a copy of the GNU General Public License 014 along with this program; if not, write to the Free Software 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 USA. 017 */ 018 #ifndef _SOS_SYSCALL_H_ 019 #define _SOS_SYSCALL_H_ 020 021 /** 022 * @file syscall.h 023 * 024 * SOS Syscalls identifiers and handler. The handler is called by the 025 * underlying assembler routine (see hwcore/syscall.h) 026 */ 027 028 029 /** 030 * The user services offered by the SOS kernel 031 */ 032 #define SOS_SYSCALL_ID_EXIT 256 /**< Args: retval, retval=NONE */ 033 034 #define SOS_SYSCALL_ID_BOCHS_WRITE 43 /**< Args: string, retval=num_printed */ 035 036 037 #if defined(KERNEL_SOS) && !defined(ASM_SOURCE) 038 039 #include <sos/errno.h> 040 #include <hwcore/cpu_context.h> 041 042 /** 043 * "The" SOS syscall handler 044 * 045 * @param syscall_id The identifier of the syscall service 046 * @param user_ctxt The user context making the syscall 047 */ 048 sos_ret_t sos_do_syscall(int syscall_id, 049 const struct sos_cpu_state *user_ctxt); 050 051 #endif /* defined(KERNEL_SOS) && !defined(ASM_SOURCE) */ 052 053 #endif /* _SOS_SYSCALL_H_ */
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