| 1 | /* |
|---|
| 2 | * hal_syscall.h - Architecture specific syscall handler API definition. |
|---|
| 3 | * |
|---|
| 4 | * Author Alain Greiner (2016,2017) |
|---|
| 5 | * |
|---|
| 6 | * Copyright (c) UPMC Sorbonne Universites |
|---|
| 7 | * |
|---|
| 8 | * This file is part of ALMOS-MKH. |
|---|
| 9 | * |
|---|
| 10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
|---|
| 11 | * under the terms of the GNU General Public License as published by |
|---|
| 12 | * the Free Software Foundation; version 2.0 of the License. |
|---|
| 13 | * |
|---|
| 14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
|---|
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 17 | * General Public License for more details. |
|---|
| 18 | * |
|---|
| 19 | * You should have received a copy of the GNU General Public License |
|---|
| 20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
|---|
| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|---|
| 22 | */ |
|---|
| 23 | |
|---|
| 24 | #ifndef _HAL_SYSCALL_H_ |
|---|
| 25 | #define _HAL_SYSCALL_H_ |
|---|
| 26 | |
|---|
| 27 | #include <hal_types.h> |
|---|
| 28 | |
|---|
| 29 | ////////////////////////////////////////////////////////////////////////////////////////// |
|---|
| 30 | // ARchitecture specific syscall handler API |
|---|
| 31 | // |
|---|
| 32 | // The calling thread context has been saved in the cpu_uzone array, |
|---|
| 33 | // stored in the user thread descriptor by the hal_kentry function. |
|---|
| 34 | // The architecture specific handler must use this array to get the syscall |
|---|
| 35 | // index and the arguments values. |
|---|
| 36 | // |
|---|
| 37 | // Any architecture specific implementation must implement this API. |
|---|
| 38 | ////////////////////////////////////////////////////////////////////////////////////////// |
|---|
| 39 | |
|---|
| 40 | /**** forward declaration ****/ |
|---|
| 41 | |
|---|
| 42 | struct thread_s; |
|---|
| 43 | |
|---|
| 44 | |
|---|
| 45 | /***************************************************************************************** |
|---|
| 46 | * This function implements the ALMOS-MKH syscall handler. |
|---|
| 47 | ***************************************************************************************** |
|---|
| 48 | * @ this : pointer on the calling thread. |
|---|
| 49 | * @ regs_tbl : array containing the core registers values, saved by hal_kentry. |
|---|
| 50 | ****************************************************************************************/ |
|---|
| 51 | void hal_do_syscall( struct thread_s * this, |
|---|
| 52 | reg_t * regs_tbl ); |
|---|
| 53 | |
|---|
| 54 | |
|---|
| 55 | #endif // _HAL_SYSCALL_H_ |
|---|
