| 1 | /* |
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| 2 | * do_syscall.h - generic syscall handler. |
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| 3 | * |
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| 4 | * Authors Ghassan Almaless (2008,2009,2010,2011,2012) |
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| 5 | * Mohamed Lamine Karaoui (2015) |
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| 6 | * Alain Greiner (2016) |
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| 7 | * |
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| 8 | * Copyright (c) UPMC Sorbonne Universites |
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| 9 | * |
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| 10 | * This file is part of ALMOS-MKH. |
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| 11 | * |
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| 12 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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| 13 | * under the terms of the GNU General Public License as published by |
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| 14 | * the Free Software Foundation; version 2.0 of the License. |
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| 15 | * |
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| 16 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 19 | * General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU General Public License |
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| 22 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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| 23 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef _DO_SYSCALL_H_ |
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| 27 | #define _D0_SYSCALL_H_ |
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| 28 | |
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| 29 | #include <hal_kernel_types.h> |
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| 30 | #include <thread.h> |
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| 31 | |
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| 32 | /************************************************************************************** |
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| 33 | * This function calls the kernel function defined by the <service_num> argument. |
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| 34 | * The possible values for service_num are defined in the syscalls/syscalls.h file. |
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| 35 | * It does NOT enable interrupts, that must be enabled by the kernel function |
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| 36 | * depending on the implemented service. |
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| 37 | ************************************************************************************** |
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| 38 | * @ this : pointer on calling thread descriptor |
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| 39 | * @ arg0 : kernel function argument 0 |
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| 40 | * @ arg1 : kernel function argument 1 |
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| 41 | * @ arg2 : kernel function argument 2 |
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| 42 | * @ arg3 : kernel function argument 3 |
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| 43 | * @ service_num : kernel service index |
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| 44 | * @ return 0 if success / return non zero if failure. |
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| 45 | *************************************************************************************/ |
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| 46 | reg_t do_syscall( thread_t * this, |
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| 47 | reg_t arg0, |
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| 48 | reg_t arg1, |
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| 49 | reg_t arg2, |
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| 50 | reg_t arg3, |
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| 51 | reg_t service_num ); |
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| 52 | |
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| 53 | #endif // _DO_SYSCALL_H_ |
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