diff options
Diffstat (limited to 'arch/tile/include/asm/unistd.h')
| -rw-r--r-- | arch/tile/include/asm/unistd.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h new file mode 100644 index 00000000000..03b3d5d665d --- /dev/null +++ b/arch/tile/include/asm/unistd.h @@ -0,0 +1,47 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#if !defined(_ASM_TILE_UNISTD_H) || defined(__SYSCALL) +#define _ASM_TILE_UNISTD_H + + +#ifndef __LP64__ +/* Use the flavor of this syscall that matches the 32-bit API better. */ +#define __ARCH_WANT_SYNC_FILE_RANGE2 +#endif + +/* Use the standard ABI for syscalls. */ +#include <asm-generic/unistd.h> + +#ifndef __tilegx__ +/* "Fast" syscalls provide atomic support for 32-bit chips. */ +#define __NR_FAST_cmpxchg -1 +#define __NR_FAST_atomic_update -2 +#define __NR_FAST_cmpxchg64 -3 +#define __NR_cmpxchg_badaddr (__NR_arch_specific_syscall + 0) +__SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr) +#endif + +/* Additional Tilera-specific syscalls. */ +#define __NR_flush_cache (__NR_arch_specific_syscall + 1) +__SYSCALL(__NR_flush_cache, sys_flush_cache) + +#ifdef __KERNEL__ +/* In compat mode, we use sys_llseek() for compat_sys_llseek(). */ +#ifdef CONFIG_COMPAT +#define __ARCH_WANT_SYS_LLSEEK +#endif +#endif + +#endif /* _ASM_TILE_UNISTD_H */ |