fpu.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2023 SiFive
 4 */
 5
 6#ifndef _ASM_POWERPC_FPU_H
 7#define _ASM_POWERPC_FPU_H
 8
 9#include <linux/preempt.h>
10
11#include <asm/cpu_has_feature.h>
12#include <asm/switch_to.h>
13
14#define kernel_fpu_available()	(!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE))
15
16static inline void kernel_fpu_begin(void)
17{
18	preempt_disable();
19	enable_kernel_fp();
20}
21
22static inline void kernel_fpu_end(void)
23{
24	disable_kernel_fp();
25	preempt_enable();
26}
27
28#endif /* ! _ASM_POWERPC_FPU_H */