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