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kernel/linux-rt-4.4.41/arch/tile/include/asm/syscalls.h 2.35 KB
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  /*
   * syscalls.h - Linux syscall interfaces (arch-specific)
   *
   * Copyright (c) 2008 Jaswinder Singh Rajput
   * 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.
   */
  
  #ifndef _ASM_TILE_SYSCALLS_H
  #define _ASM_TILE_SYSCALLS_H
  
  #include <linux/compiler.h>
  #include <linux/linkage.h>
  #include <linux/signal.h>
  #include <linux/types.h>
  #include <linux/compat.h>
  
  /*
   * Note that by convention, any syscall which requires the current
   * register set takes an additional "struct pt_regs *" pointer; a
   * _sys_xxx() trampoline in intvec*.S just sets up the pointer and
   * jumps to sys_xxx().
   */
  
  /* kernel/sys.c */
  ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
  long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
  		     u32 len, int advice);
  int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
  		       u32 len_lo, u32 len_hi, int advice);
  long sys_cacheflush(unsigned long addr, unsigned long len,
  		    unsigned long flags);
  #ifndef __tilegx__  /* No mmap() in the 32-bit kernel. */
  #define sys_mmap sys_mmap
  #endif
  
  #ifndef __tilegx__
  /* mm/fault.c */
  long sys_cmpxchg_badaddr(unsigned long address);
  #endif
  
  #ifdef CONFIG_COMPAT
  /* These four are not defined for 64-bit, but serve as "compat" syscalls. */
  long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
  long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
  long sys_truncate64(const char __user *path, loff_t length);
  long sys_ftruncate64(unsigned int fd, loff_t length);
  #endif
  
  /* Provide versions of standard syscalls that use current_pt_regs(). */
  long sys_rt_sigreturn(void);
  #define sys_rt_sigreturn sys_rt_sigreturn
  
  /* These are the intvec*.S trampolines. */
  long _sys_rt_sigreturn(void);
  long _sys_clone(unsigned long clone_flags, unsigned long newsp,
  		void __user *parent_tid, void __user *child_tid);
  
  #include <asm-generic/syscalls.h>
  
  #endif /* _ASM_TILE_SYSCALLS_H */