1 | /* |
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2 | * hal_kernel_syscall.h - Architecture specific kernel_side syscall handler API definition. |
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3 | * |
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4 | * Author Alain Greiner (2016,2017) |
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5 | * |
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6 | * Copyright (c) UPMC Sorbonne Universites |
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7 | * |
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8 | * This file is part of ALMOS-MKH. |
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9 | * |
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10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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11 | * under the terms of the GNU General Public License as published by |
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12 | * the Free Software Foundation; version 2.0 of the License. |
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13 | * |
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14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |
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24 | #ifndef _HAL_KERNEL_SYSCALL_H_ |
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25 | #define _HAL_KERNEL_SYSCALL_H_ |
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26 | |
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27 | #include <hal_types.h> |
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28 | |
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29 | ////////////////////////////////////////////////////////////////////////////////////////// |
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30 | // Kernel-side syscall handler API |
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31 | // |
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32 | // This hal_do_syscall() function extract from the regs_tbl[] array the syscall index, |
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33 | // and the four syscall arguments. Then it calls the generic do_syscall() kernel function, |
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34 | // that call itself the relevant kernel function, depending on the syscall index. |
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35 | // |
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36 | // Any architecture specific implementation must implement this API. |
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37 | ////////////////////////////////////////////////////////////////////////////////////////// |
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38 | |
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39 | /**** forward declaration ****/ |
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40 | |
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41 | struct thread_s; |
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42 | |
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43 | |
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44 | /***************************************************************************************** |
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45 | * This function implements the ALMOS-MKH kernel_side syscall handler. |
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46 | ***************************************************************************************** |
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47 | * @ this : pointer on the calling thread. |
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48 | * @ regs_tbl : array containing the core registers values, saved by hal_kentry. |
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49 | ****************************************************************************************/ |
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50 | void hal_do_syscall( struct thread_s * this, |
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51 | reg_t * regs_tbl ); |
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52 | |
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53 | |
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54 | #endif // _HAL_KERNEL_SYSCALL_H_ |
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