arch/tile/include/asm/syscalls.h

   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 */
  35 ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
  36 long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
  37                      u32 len, int advice);
  38 int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
  39                        u32 len_lo, u32 len_hi, int advice);
  40 long 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 */
  48 long 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. */
  53 long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
  54 long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
  55 long sys_truncate64(const char __user *path, loff_t length);
  56 long sys_ftruncate64(unsigned int fd, loff_t length);
  57 #endif
  58
  59 /* Provide versions of standard syscalls that use current_pt_regs(). */
  60 long sys_rt_sigreturn(void);
  61 #define sys_rt_sigreturn sys_rt_sigreturn
  62
  63 /* These are the intvec*.S trampolines. */
  64 long _sys_rt_sigreturn(void);
  65 long _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 */