1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2
3 #ifndef __ASM_CSKY_SWITCH_TO_H
4 #define __ASM_CSKY_SWITCH_TO_H
5
6 #include <linux/thread_info.h>
7 #ifdef CONFIG_CPU_HAS_FPU
8 #include <abi/fpu.h>
9 static inline void __switch_to_fpu(struct task
10 struct task
11 {
12 save_to_user_fp(&prev->thread.user_fp)
13 restore_from_user_fp(&next->thread.use
14 }
15 #else
16 static inline void __switch_to_fpu(struct task
17 struct task
18 {}
19 #endif
20
21 /*
22 * Context switching is now performed out-of-l
23 */
24 extern struct task_struct *__switch_to(struct
25 struct
26
27 #define switch_to(prev, next, last)
28 do {
29 struct task_struct *__prev = (
30 struct task_struct *__next = (
31 __switch_to_fpu(__prev, __next
32 ((last) = __switch_to((prev),
33 } while (0)
34
35 #endif /* __ASM_CSKY_SWITCH_TO_H */
36
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