1/* 2 * syscalls.h - Linux syscall interfaces (arch-specific) 3 * 4 * Copyright (c) 2008 Jaswinder Singh Rajput 5 * Copyright 2010 Tilera Corporation. All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation, version 2. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 14 * NON INFRINGEMENT. See the GNU General Public License for 15 * more details. 16 */ 17 18#ifndef _ASM_TILE_SYSCALLS_H 19#define _ASM_TILE_SYSCALLS_H 20 21#include <linux/compiler.h> 22#include <linux/linkage.h> 23#include <linux/signal.h> 24#include <linux/types.h> 25#include <linux/compat.h> 26 27/* 28 * Note that by convention, any syscall which requires the current 29 * register set takes an additional "struct pt_regs *" pointer; a 30 * _sys_xxx() trampoline in intvec*.S just sets up the pointer and 31 * jumps to sys_xxx(). 32 */ 33 34/* kernel/sys.c */ 35ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count); 36long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi, 37 u32 len, int advice); 38int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi, 39 u32 len_lo, u32 len_hi, int advice); 40long sys_cacheflush(unsigned long addr, unsigned long len, 41 unsigned long flags); 42#ifndef __tilegx__ /* No mmap() in the 32-bit kernel. */ 43#define sys_mmap sys_mmap 44#endif 45 46#ifndef __tilegx__ 47/* mm/fault.c */ 48long sys_cmpxchg_badaddr(unsigned long address); 49#endif 50 51#ifdef CONFIG_COMPAT 52/* These four are not defined for 64-bit, but serve as "compat" syscalls. */ 53long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg); 54long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf); 55long sys_truncate64(const char __user *path, loff_t length); 56long sys_ftruncate64(unsigned int fd, loff_t length); 57#endif 58 59/* Provide versions of standard syscalls that use current_pt_regs(). */ 60long sys_rt_sigreturn(void); 61#define sys_rt_sigreturn sys_rt_sigreturn 62 63/* These are the intvec*.S trampolines. */ 64long _sys_rt_sigreturn(void); 65long _sys_clone(unsigned long clone_flags, unsigned long newsp, 66 void __user *parent_tid, void __user *child_tid); 67 68#include <asm-generic/syscalls.h> 69 70#endif /* _ASM_TILE_SYSCALLS_H */ 71