1 /* 2 * Syscall support for the Hexagon architecture 3 * 4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 and 8 * only version 2 as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA. 19 */ 20 21 #ifndef _ASM_HEXAGON_SYSCALL_H 22 #define _ASM_HEXAGON_SYSCALL_H 23 24 typedef long (*syscall_fn)(unsigned long, unsigned long, 25 unsigned long, unsigned long, 26 unsigned long, unsigned long); 27 28 #include <asm-generic/syscalls.h> 29 30 extern void *sys_call_table[]; 31 32 static inline long syscall_get_nr(struct task_struct *task, 33 struct pt_regs *regs) 34 { 35 return regs->r06; 36 } 37 38 static inline void syscall_get_arguments(struct task_struct *task, 39 struct pt_regs *regs, 40 unsigned int i, unsigned int n, 41 unsigned long *args) 42 { 43 BUG_ON(i + n > 6); 44 memcpy(args, &(®s->r00)[i], n * sizeof(args[0])); 45 } 46 #endif 47