1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef _ASM_POWERPC_CURRENT_H
3#define _ASM_POWERPC_CURRENT_H
4#ifdef __KERNEL__
5
6/*
7 */
8
9struct task_struct;
10
11#ifdef __powerpc64__
12#include <linux/stddef.h>
13#include <asm/paca.h>
14
15static inline struct task_struct *get_current(void)
16{
17	struct task_struct *task;
18
19	/* get_current can be cached by the compiler, so no volatile */
20	asm ("ld %0,%1(13)"
21	: "=r" (task)
22	: "i" (offsetof(struct paca_struct, __current)));
23
24	return task;
25}
26#define current	get_current()
27
28#else
29
30/*
31 * We keep `current' in r2 for speed.
32 */
33register struct task_struct *current asm ("r2");
34
35#endif
36
37#endif /* __KERNEL__ */
38#endif /* _ASM_POWERPC_CURRENT_H */
39