arch/tile/include/uapi/asm/unistd.h

   1 /*
   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(__LP64__) || defined(__SYSCALL_COMPAT)
  16 /* Use the flavor of this syscall that matches the 32-bit API better. */
  17 #define __ARCH_WANT_SYNC_FILE_RANGE2
  18 #endif
  19
  20 /* Use the standard ABI for syscalls. */
  21 #include <asm-generic/unistd.h>
  22
  23 #define NR_syscalls __NR_syscalls
  24
  25 /* Additional Tilera-specific syscalls. */
  26 #define __NR_cacheflush (__NR_arch_specific_syscall + 1)
  27 __SYSCALL(__NR_cacheflush, sys_cacheflush)
  28
  29 #ifndef __tilegx__
  30 /* "Fast" syscalls provide atomic support for 32-bit chips. */
  31 #define __NR_FAST_cmpxchg       -1
  32 #define __NR_FAST_atomic_update -2
  33 #define __NR_FAST_cmpxchg64     -3
  34 #define __NR_cmpxchg_badaddr    (__NR_arch_specific_syscall + 0)
  35 __SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr)
  36 #endif