mirror of https://gitee.com/openkylin/linux.git
41 lines
835 B
C
41 lines
835 B
C
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#ifndef _ASM_POWERPC_CURRENT_H
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#define _ASM_POWERPC_CURRENT_H
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#ifdef __KERNEL__
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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struct task_struct;
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#ifdef __powerpc64__
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#include <linux/stddef.h>
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#include <asm/paca.h>
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static inline struct task_struct *get_current(void)
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{
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struct task_struct *task;
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__asm__ __volatile__("ld %0,%1(13)"
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: "=r" (task)
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: "i" (offsetof(struct paca_struct, __current)));
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return task;
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}
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#define current get_current()
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#else
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/*
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* We keep `current' in r2 for speed.
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*/
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register struct task_struct *current asm ("r2");
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#endif
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_CURRENT_H */
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