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- /*
- * Task switching for PKUnity SoC and UniCore ISA
- *
- * Copyright (C) 2001-2012 GUAN Xue-tao
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __UNICORE_SWITCH_TO_H__
- #define __UNICORE_SWITCH_TO_H__
- struct task_struct;
- struct thread_info;
- /*
- * switch_to(prev, next) should switch from task `prev' to `next'
- * `prev' will never be the same as `next'. schedule() itself
- * contains the memory barrier to tell GCC not to cache `current'.
- */
- extern struct task_struct *__switch_to(struct task_struct *,
- struct thread_info *, struct thread_info *);
- #define switch_to(prev, next, last) \
- do { \
- last = __switch_to(prev, task_thread_info(prev), \
- task_thread_info(next)); \
- } while (0)
- #endif /* __UNICORE_SWITCH_TO_H__ */
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