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- #ifndef _ASM_POWERPC_CURRENT_H
- #define _ASM_POWERPC_CURRENT_H
- #ifdef __KERNEL__
- /*
- * 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; either version
- * 2 of the License, or (at your option) any later version.
- */
- struct task_struct;
- #ifdef __powerpc64__
- #include <asm/paca.h>
- static inline struct task_struct *get_current(void)
- {
- struct task_struct *task;
- __asm__ __volatile__("ld %0,%1(13)"
- : "=r" (task)
- : "i" (offsetof(struct paca_struct, __current)));
- return task;
- }
- #define current get_current()
- #else
- /*
- * We keep `current' in r2 for speed.
- */
- register struct task_struct *current asm ("r2");
- #endif
- #endif /* __KERNEL__ */
- #endif /* _ASM_POWERPC_CURRENT_H */
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