blob: 03b3d5d665dd36ff65a404d7b3307d45ff494294 [file] [log] [blame]
Chris Metcalf867e3592010-05-28 23:09:12 -04001/*
2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for
12 * more details.
13 */
14
15#if !defined(_ASM_TILE_UNISTD_H) || defined(__SYSCALL)
16#define _ASM_TILE_UNISTD_H
17
18
19#ifndef __LP64__
20/* Use the flavor of this syscall that matches the 32-bit API better. */
21#define __ARCH_WANT_SYNC_FILE_RANGE2
22#endif
23
24/* Use the standard ABI for syscalls. */
25#include <asm-generic/unistd.h>
26
27#ifndef __tilegx__
28/* "Fast" syscalls provide atomic support for 32-bit chips. */
29#define __NR_FAST_cmpxchg -1
30#define __NR_FAST_atomic_update -2
31#define __NR_FAST_cmpxchg64 -3
32#define __NR_cmpxchg_badaddr (__NR_arch_specific_syscall + 0)
33__SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr)
34#endif
35
36/* Additional Tilera-specific syscalls. */
37#define __NR_flush_cache (__NR_arch_specific_syscall + 1)
38__SYSCALL(__NR_flush_cache, sys_flush_cache)
39
40#ifdef __KERNEL__
41/* In compat mode, we use sys_llseek() for compat_sys_llseek(). */
42#ifdef CONFIG_COMPAT
43#define __ARCH_WANT_SYS_LLSEEK
44#endif
45#endif
46
47#endif /* _ASM_TILE_UNISTD_H */