projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 584224e4 DG |
1 | #ifndef _ASM_POWERPC_CURRENT_H |
| 2 | #define _ASM_POWERPC_CURRENT_H | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 584224e4 DG |
4 | |
| 5 | /* | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | struct task_struct; | |
| 13 | ||
| 14 | #ifdef __powerpc64__ | |
| 15 | #include <asm/paca.h> | |
| 16 | ||
| 5fe8e8b8 HD |
17 | static inline struct task_struct *get_current(void) |
| 18 | { | |
| 19 | struct task_struct *task; | |
| 20 | ||
| 21 | __asm__ __volatile__("ld %0,%1(13)" | |
| 22 | : "=r" (task) | |
| 23 | : "i" (offsetof(struct paca_struct, __current))); | |
| 24 | ||
| 25 | return task; | |
| 26 | } | |
| 27 | #define current get_current() | |
| 584224e4 DG |
28 | |
| 29 | #else | |
| 30 | ||
| 31 | /* | |
| 32 | * We keep `current' in r2 for speed. | |
| 33 | */ | |
| 34 | register struct task_struct *current asm ("r2"); | |
| 35 | ||
| 36 | #endif | |
| 37 | ||
| 88ced031 | 38 | #endif /* __KERNEL__ */ |
| 584224e4 | 39 | #endif /* _ASM_POWERPC_CURRENT_H */ |