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/* The array of function pointers for syscalls. */
28extern void *sys_call_table[];
29#ifdef CONFIG_COMPAT
30extern void *compat_sys_call_table[];
31#endif
32
33/*
34 * Note that by convention, any syscall which requires the current
35 * register set takes an additional "struct pt_regs *" pointer; a
36 * _sys_xxx() trampoline in intvec*.S just sets up the pointer and
37 * jumps to sys_xxx().
38 */
39
40/* kernel/sys.c */
41ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
42long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
43		     u32 len, int advice);
44int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
45		       u32 len_lo, u32 len_hi, int advice);
46long sys_flush_cache(void);
47#ifndef __tilegx__  /* No mmap() in the 32-bit kernel. */
48#define sys_mmap sys_mmap
49#endif
50
51#ifndef __tilegx__
52/* mm/fault.c */
53long sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
54long _sys_cmpxchg_badaddr(unsigned long address);
55#endif
56
57#ifdef CONFIG_COMPAT
58/* These four are not defined for 64-bit, but serve as "compat" syscalls. */
59long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
60long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
61long sys_truncate64(const char __user *path, loff_t length);
62long sys_ftruncate64(unsigned int fd, loff_t length);
63#endif
64
65/* These are the intvec*.S trampolines. */
66long _sys_sigaltstack(const stack_t __user *, stack_t __user *);
67long _sys_rt_sigreturn(void);
68long _sys_clone(unsigned long clone_flags, unsigned long newsp,
69		void __user *parent_tid, void __user *child_tid);
70long _sys_execve(const char __user *filename,
71		 const char __user *const __user *argv,
72		 const char __user *const __user *envp);
73
74#include <asm-generic/syscalls.h>
75
76#endif /* _ASM_TILE_SYSCALLS_H */