/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _ASM_POWERPC_CURRENT_H #define _ASM_POWERPC_CURRENT_H #ifdef __KERNEL__ /* */ struct task_struct; #ifdef __powerpc64__ #include <linux/stddef.h> #include <asm/paca.h> static inline struct task_struct *get_current(void) { struct task_struct *task; /* get_current can be cached by the compiler, so no volatile */ asm ("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 */