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kernel/linux-rt-4.4.41/arch/microblaze/include/asm/entry.h 1.13 KB
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  /*
   * Definitions used by low-level trap handlers
   *
   * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
   * Copyright (C) 2007-2009 PetaLogix
   * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
   *
   * This file is subject to the terms and conditions of the GNU General
   * Public License. See the file COPYING in the main directory of this
   * archive for more details.
   */
  
  #ifndef _ASM_MICROBLAZE_ENTRY_H
  #define _ASM_MICROBLAZE_ENTRY_H
  
  #include <asm/percpu.h>
  #include <asm/ptrace.h>
  #include <linux/linkage.h>
  
  /*
   * These are per-cpu variables required in entry.S, among other
   * places
   */
  
  #define PER_CPU(var) var
  
  # ifndef __ASSEMBLY__
  DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
  DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
  DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
  DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
  DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
  
  extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall);
  # endif /* __ASSEMBLY__ */
  
  #endif /* _ASM_MICROBLAZE_ENTRY_H */