kernel/arch/microblaze/include/asm/switch_to.h

   1 /*
   2  * Copyright (C) 2006 Atmark Techno, Inc.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License. See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  */
   8
   9 #ifndef _ASM_MICROBLAZE_SWITCH_TO_H
  10 #define _ASM_MICROBLAZE_SWITCH_TO_H
  11
  12 struct task_struct;
  13 struct thread_info;
  14
  15 extern struct task_struct *_switch_to(struct thread_info *prev,
  16                                         struct thread_info *next);
  17
  18 #define switch_to(prev, next, last)                                     \
  19         do {                                                            \
  20                 (last) = _switch_to(task_thread_info(prev),             \
  21                                         task_thread_info(next));        \
  22         } while (0)
  23
  24 #endif /* _ASM_MICROBLAZE_SWITCH_TO_H */