1/* 2 * Syscall support for the Hexagon architecture 3 * 4 * Copyright (c) 2010-2011, Code Aurora Forum. 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 24typedef long (*syscall_fn)(unsigned long, unsigned long, 25 unsigned long, unsigned long, 26 unsigned long, unsigned long); 27 28asmlinkage int sys_execve(char __user *ufilename, char __user * __user *argv, 29 char __user * __user *envp); 30asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, 31 unsigned long parent_tidp, unsigned long child_tidp); 32 33#define sys_execve sys_execve 34#define sys_clone sys_clone 35 36#include <asm-generic/syscalls.h> 37 38extern void *sys_call_table[]; 39 40static inline long syscall_get_nr(struct task_struct *task, 41 struct pt_regs *regs) 42{ 43 return regs->r06; 44} 45 46static inline void syscall_get_arguments(struct task_struct *task, 47 struct pt_regs *regs, 48 unsigned int i, unsigned int n, 49 unsigned long *args) 50{ 51 BUG_ON(i + n > 6); 52 memcpy(args, &(®s->r00)[i], n * sizeof(args[0])); 53} 54#endif 55